JP2568066B2 - Disk holder - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a disc holder that holds a disc and is detachably incorporated in a main body of a multi-disc player.

BACKGROUND ART A jukebox is generally known as a disc player capable of accommodating a plurality of discs and sequentially selecting any of the discs contained therein to enable continuous performance. However, the conventional jukebox itself has a very large body and is not suitable for home use.

In recent years, it has been called a digital audio disc (hereinafter abbreviated as DAD), and by recording a digital signal, it is possible to increase the amount of information to be stored and to reproduce it as compared with a conventional analog audio disc that has a signal. Several types of disks, which generate the least noise, have been developed and widely used. Among them, especially the method of recording and reading a signal by using a laser beam, a disc generally called a compact disc having an outer diameter of about 12 cm is easy to handle and enables downsizing of the entire disc player. is there. Recently, multiple small DADs (eg 5-6
A multi-disc player has been developed that can be stored at any time and is optimal as a home jukebox that plays these continuously. By the way, the performance time for a small DAD is 1
It can hold about 1.5 times as much information as conventional analog audio discs. Therefore, for example, 6
About 120 songs can be accommodated in a single disc if the playing time is about 3 minutes, and it is easy to cover each genre such as jazz or enka.

A multi-disc player basically has a playing means including a turntable, a pickup, etc., a disc holder that holds the disc and is inserted and mounted in a mounting portion in a player housing, and a playing position of the disc in the disc holder. That is, it is provided with a disc take-out / transport mechanism for transporting onto the turntable.

In the multi-disc player, when the disc in the disc holder is conveyed onto the turntable, for example, the disc is moved in two directions, a direction parallel to the disc carrying surface of the turntable and a direction substantially perpendicular thereto. However, in the already-developed multi-disc player, the disc take-out and transport mechanism for carrying out this transport directly drives the disc in the disc holder.
This is a type in which the end of the disc in the protruding direction from the disc holder or substantially the entire disc is pulled out to the outside of the disc holder, and the configuration of the disc take-out and transport mechanism including the gripping mechanism for holding the disc is large. And it is complicated, and the space required for its operation is large,
It is difficult to reduce the size of the player as a whole and the cost is increased.

Recently, for example, Japanese Patent Application No. 60-10
As proposed as 4303, the disc holder is composed of a housing and a plurality of plate-like trays each capable of carrying a disc on the main surface and projectingly housed along the main surface with respect to the housing. A multi-disc player is newly developed. That is, it is configured such that the plate-shaped trays carrying the respective discs can be conveyed in one direction (the discs can be conveyed in the direction parallel to the disc-carrying surface of the turntable) simply by protruding from the housing. -ing Therefore, as in the above-mentioned multi-disc player, the disc housed in the disc holder is directly held outside the disc holder by directly grasping the end portion of the disc in the protruding direction from the disc holder or substantially the entire disc by a complicated grasping mechanism. The structure is simpler than that of the one provided with a disc ejecting / conveying mechanism of a pull-out type, and it is easy to reduce the size and cost of the player as a whole.

However, in the case where the disc holder is configured as described above, for example, when the plate-shaped tray carrying the disc is projected outside the housing in order to play the desired disc, some external force is applied to the disc player. In that case, there is a concern that the disc on the tray may be displaced in the radial direction, causing so-called mis-clamping.

SUMMARY OF THE INVENTION The present invention has been made in view of the above points,
It is an object of the invention to provide a disc holder in which the disc protruding from the disc holder body does not shift and therefore mis-clamping can be prevented.

A disc holder according to the present invention is a disc holder that holds a disc inside a housing, is inserted and mounted in a mounting portion of a disc player, and supplies the disc into the disc player in response to an operation from the disc player to be used for disc performance. There is a plurality of plate-shaped trays each capable of carrying a disc on the main surface and projectingly housed along each main surface with respect to the housing, and the tray is provided in the vicinity of the disc carrying surface of the tray. When protruding out of the housing, the tray is protruded by more than the thickness of the disc from the disc-carrying surface than when the tray is housed in the housing in a direction perpendicular to the disc-carrying surface. It is characterized in that a disc regulating member for regulating the radial movement of the disc formed is provided. .

Examples Hereinafter, a disc holder and a multi-disc player in which the disc holder is incorporated as an embodiment of the present invention will be described with reference to the accompanying drawings.

In the figure, reference numeral 1 indicates the entire multi-disc player.

As shown in FIG. 1, the front panel 3 of the player housing 2 is provided with a rectangular opening 3a for mounting a magazine 5 as a disc holder in the player housing. The opening 3a extends in the left-right direction. However, the left-right direction referred to here is a direction toward the front indicated by arrow Y, and the direction of arrow X is leftward. The arrow Z indicates upward. An operation button group 6 and a display unit 7 for operating the multi-disc player are also provided on the front panel 3.

As shown in FIGS. 2 (a) to (d), the magazine 5 has a magazine main body 8 as a flat rectangular parallelepiped housing, and a disc main body 3 carrying a disk 10 on each main surface.
It has two kinds of each, a total of six rectangular plate-shaped trays A11 and trays B12. The tray A11 and the tray B12, and hence the respective disks 10, are arranged and housed in order at a predetermined pitch in a direction perpendicular to the disk carrying surface of a turntable described later, in this case, in the vertical direction (the arrow Z direction and the opposite direction). Has been done. The tray A11 and the tray B12 are rotatably provided around a rotation support shaft 8a provided at the right rear end portion of the magazine body 8 and extending in the arrangement direction (vertical direction) of each tray. 8 can be housed so as to project along each main surface.

 The configuration of the magazine 5 will be described in more detail.

The magazine main body 8 is provided with seven partition walls 8b arranged in the vertical direction (the arrow Z direction and the opposite direction), and the tray A11 and the tray B12 are arranged between the respective partition walls. As is clear from FIG. 3 (a), each partition wall
Small circular openings 8c are concentrically formed in the 8b in the vicinity of the rotation support shaft 8a. FIGS. 4 (a) and (b) and FIGS. 5 (a) and (b) show details of the tray A11 and the tray B12, and as shown in both figures, each partition wall 8b Openings 11a and 12a are also formed in each tray so as to be able to face the opening 8c formed in the tray. Where the partition wall 8
The opening 8c formed in b is referred to as a first opening, while the openings 11a provided in the tray A11 and the tray B12 are
And 12a are referred to as second openings. Within each of the openings 8c, 11a and 12a, there are five spherical movable pieces 13a which can move along the juxtaposed direction of the partition walls 8b (the arrow Z direction and the opposite direction).
Has been inserted. The diameter of each spherical movable piece 13a is equal to the arrangement pitch dimension of the trays 11 and 12 arranged alternately. The spherical movable pieces are biased toward each other by a pair of leaf springs 13b arranged at the upper and lower ends of the magazine body 8.

As shown in FIG. 2 (b), a pressing lever 14 is provided at the left front end of the magazine body 8 so as to extend substantially in the front-rear direction (the direction of the arrow Y and the opposite direction). In this case, the front end portion is swingably attached to the magazine body 8 via a pin 14a. However, the pin 14a extends in the vertical direction (the direction of the arrow Z and the opposite direction). The other end of the pressing lever 14, that is, the rear end can smoothly engage with the free end of each tray 11 and 12. A spring member 14b is engaged with the pressing lever 14. The spring member 14b urges the pressing lever 14 in the counterclockwise direction in FIG. 2 (b), thereby applying a tray pressing force to the pressing lever. The pressing lever 14 has an edge portion 3b of the opening 3a of the player housing 2 when the magazine 5 is detached from the magazine mounting portion in the player housing 2.
Is formed with a protrusion 14c that can abut. This protrusion 14c
Is in contact with the edge 3b of the opening 3a,
The pressing lever 14 has a function of swinging the main body of the pressing lever 14 so as to bias the main body 11 and 12 toward the storage position in the magazine main body 8.

The pressing lever 14 and the spring member 14b constitute pressing means for pressing the trays 11 and 12 toward the storage position in the magazine main body 8 and the rotation support shaft 8a.
Further, the pressing means, the opening 8c (first opening) formed in each partition wall of the magazine body 8, and the openings 11a and 12a (second opening) formed in the trays 11 and 12, respectively. , Each spherical movable piece 13a, and leaf spring 13b, each tray 11 and
A holding mechanism for holding the cartridge 12 at the storage position in the magazine body 8 is configured.

As is clear from FIGS. 4 (a) and (b) and FIGS. 5 (a) and (b), the tray A11 and the tray B12 have substantially the same shape, and the listener can remove the trays from the magazine body 8. The only difference is the shapes and positions of the claws 11b and 12b on which the fingertips are put when the finger is pulled out. At the free ends of the trays 11 and 12, notches 11c and 12c with which the above-mentioned pressing lever 14 engages, and a pair of jig insertion holes 11d, 11e, 12d and 12e are formed.

Flexible members 11f and 12f made of synthetic leather or the like are provided at predetermined positions on the main surface of adjacent trays that can face the disk carrying surfaces of the trays 11 and 12, so as to protrude from the main surfaces. Further, each tray 11 and 12 is provided with arcuate recessed portions 11h, 11i, 12h, 12i along the movement loci of the flexible members 11f, 12f provided on the adjacent trays. This recess 11h, 1
By providing 1i, 12h, and 12i, the total dimensions of the six trays 11 and 12, which are stacked together, in the stacking direction are kept small. That is, the thickness of the entire magazine 5 is reduced.

As is clear from FIGS. 2 (b), (d), 3 (c), 4 (a), (b) and 5 (a), (b), the drains 11 and 12 are shown. In the vicinity of the disc-carrying surface, when the tray is accommodated in the housing, the disc-carrying surface can be engaged with the magazine main body 8 or the adjacent tray, and when the tray is protruding outside the magazine main body 8, When the tray is housed in the magazine body 8 in a direction perpendicular to the direction (arrow Z direction), the disk carried on the tray protrudes more than the thickness of the disk 10 from the disk carrying surface and moves in the radial direction. A flexible protrusion member 11j as a disc regulating member for regulating,
11k, 11l and 12j, 12k, 12l are provided.

As shown in FIG. 2 (c), an engagement claw 5a is provided at a substantially central portion on the right side of the magazine 5, and a pin 5b is provided.
Thereby, it is attached to the magazine body 8 at one end so as to be swingable within a predetermined range. Another engaging claw 5c is provided at the front end of the right side of the magazine 5 at one end via a pin 5d so as to be swingable within a predetermined range. This engagement claw 5c
Its free end is urged outward by a coil spring 5e. Each of these engaging claws 5a and 5c has an edge 3b of an opening 3a (see FIGS. 1 and 2 (b)) at its free end.
Can be engaged.

Each of the engagement claws 5a and 5c and the coil spring 5e described above.
Thus, the mounting prevention means for preventing the mounting when the mounting posture of the magazine 5 with respect to the mounting portion in the player housing 2 is incorrect is configured. That is, when the magazine 5 is to be mounted on the mounting portion with the magazine 5 turned upside down, the engaging claw 5a swings by its own weight and protrudes out of the magazine 5, and the free end of the engaging claw is opened. Part 3a (described above)
And the magazine 5 is prevented from being mounted. When the magazine 5 is to be mounted on the mounting portion with the front and rear reversed, the engaging claw 5c projected outward by the coil spring 5e engages with the edge 3b of the opening 3a. Thus, the mounting of the magazine 5 is prevented.

In addition, since the mounting preventing means is configured by extremely simple members such as the engaging claws 5a and 5c and the coil spring 5e, the configuration is simplified and the cost can be easily reduced.

As shown in FIG. 2 (b) and FIG. 3 (b), the protrusion 14 of the pressing lever 14 provided to be able to swing on the magazine 5 is provided.
A circular opening 14e is formed in c. On the other hand, as shown in FIG. 3 (b), the magazine main body 8 which is the housing of the magazine 5 is provided with an overhanging portion 8d extending along the lower surface of the pressing lever 14 and a columnar shape on the overhanging portion. The protrusion 8e is formed. A circular recess 8f is provided at the upper end of the protrusion 8d.
A spherical movable piece 8g is inserted into the concave portion so as to be movable in the vertical direction (the direction of arrow Z and the opposite direction). The opening 14e formed in the protrusion 14c of the pressing lever 14 can face the concave portion 8f when the pressing lever is in the position shown by the solid line in FIG.
8g can partially fit into this opening 14e.

The pressing lever 14 and the movable piece 8g constitute a projection restricting means for restricting the projection of the trays 11 and 12 from the magazine body 8 when the magazine 5 as the disc holder is in the upside down posture. . That is, when the magazine 5 is turned upside down, the spherical movable piece 8g moves by its own weight and a part of the movable piece fits into the opening 14e of the pressing lever, whereby the swing of the pressing lever 14 is restricted. As a result, the protrusion of the trays 11 and 12 to the outside of the magazine body 8 is restricted.

In addition, since the protrusion restricting means is configured by a member having a simple shape such as the pressing lever 14 and the movable piece 8g, the configuration is simplified, and the cost can be easily reduced. Further, as the spherical movable piece 8g, a commercially available one can be used without manufacturing this for identification.

As shown in FIG. 1, a chassis 16 as a support member is mounted on a bottom plate 15 fixed in the housing 2. The chassis 16 has a flat surface portion 16a extending in the front-rear direction (the arrow Y direction and the opposite direction) and in the left-right direction (the arrow X direction and the opposite direction), and is continuous with the left and right side ends of the flat surface portion and in the front-rear direction and the vertical direction. Direction (arrow Z direction) and the opposite direction, that is, the arrangement direction of the trays described above, and a pair of upright portions 16b and 16c.

As shown in FIGS. 6 to 10, a moving member 18 is disposed between the rear end portions of the pair of upright portions 1b and 16c of the chassis 16 described above, and each upright portion is disposed. Are attached so as to be movable in the vertical direction, that is, in the arrangement direction of the trays 11 and 12. Specifically, this moving member 18 is
A movable chassis made of the resin shown in FIGS.
A19 and a flat plate-shaped movable chassis B20 made of a steel plate shown in FIG. 12 are coupled by screws or the like. However, the movable chassis A19 is fixed to the upper surface of the movable chassis B20.

Here, as is particularly clear from FIG. 11 (b), a support plate 22 is attached to the upper surface of the movable chassis A19 made of resin via a vibration isolating member 21 made of rubber or the like. Has a turntable 23 attached thereto. On the carrier plate 22, a carriage 24 carrying an optical pickup means is arranged, and a turntable 23 is provided.
Along a plane including the disk carrying surface 23a of
It is attached to the support plate 22 movably in the left-right direction (the direction of the arrow X and the opposite direction). Further, a screw shaft 26 screwed into a part of the carriage 24, and a motor for imparting a rotational force sum to the screw shaft 26.
Carriage drive means for driving the carriage 24 is provided.

The turntable 23, the carriage 24 including the optical pickup means, and the carriage driving means constitute playing means for playing a disk. That is, the playing means is carried on the moving member 18,
It moves in the vertical direction (the direction of arrow Z and the opposite direction) together with the moving member.

As shown in FIGS. 11 (a) and 11 (b), an arcuate guide surface 19a is formed on the lower surface of the movable chassis A19 so that the rotating ends of the trays 11 and 12 projecting from the magazine body 8 can come into sliding contact therewith. ing. Further, as shown in FIG. 12, on the upper surface of the movable chassis B20, the arcuate guide surface 19a is opposed to the arcuate guide surface 19a with a separation distance slightly larger than the thickness dimension of each tray 11 and 12, and the rotating end portion of each tray. Arc-shaped guide protrusion 20 that can slide
a is formed. The arc-shaped guide surface 19a and the arc-shaped guide protrusion 20a constitute a tray guide for guiding one tray protruding from the magazine body 8.

As shown in FIGS. 6, 9, and 10, a magazine 5 is provided between the front ends of the pair of upright portions 16b and 16c of the chassis 16.
A plate-like guide holding member 29 that slides on the lower surface of the chassis to guide and hold the magazine is arranged, and the guide holding member is fixed to the flat portion 16a of the chassis 16 by screws or the like. FIG. 13 shows details of the guide holding member 29. A tray guide member 30 is provided on the upper surface of the left end portion of the guide holding member 29. The tray guide member 30 includes a plurality of arc tray guides which are located between the above-mentioned tray guide portion (including the arc-shaped guide surface 19a and the arc-shaped guide protrusion 20a) and the tray guide path of the magazine body 8 and are continuous with them. A groove 30a is formed. That is, the trays 11 and 12 projecting from the magazine body 8 engage with the tray guide grooves 30a, slide along the tray guide grooves 30a, and then slide the tray guide portions of the moving member 18 (described above).
You will be guided inside. The tray guide paths of the magazine body 8 are 8i and 8j in FIG. 2B, and although not shown, a plurality of guide grooves are formed like the guide groove 30a described above.

As shown in FIGS. 6, 10, and 14, in the vicinity of the magazine mounting portion in the player housing 2, in this case,
A support 32 made of resin is arranged on the right side of the magazine mounting portion, and is fixed to the lower surface of the flat surface portion 16a of the chassis 16 with screws or the like. The details of the support 32 are shown in FIGS. 15 (a) to 15 (c). As shown in FIG. 14, a movable lever 33 made of a steel plate is attached to the upper surface of the support 32 so as to be movable in the magazine mounting direction, that is, in the front-back direction (the arrow Y direction and the opposite direction). . The moving lever 33 is shown in FIGS. 16 (a) and 16 (b).
Details are shown. As is clear from FIGS. 15 (a) to (c) and FIGS. 16 (a) and (b), the moving lever 33 has a pair of linear openings formed in the moving lever by extending in the front-rear direction. The portion 33a is slidably fitted to the T-shaped projection 32a of the supporting body 32 so as to be attached to the supporting body. As shown in FIG. 17, a projection 32b is provided on the upper surface of the support 32 so as to smoothly contact the lower surface of the moving lever 33 and support the moving lever.

One downwardly extending protrusion 33b is formed at the left rear end of the moving lever 33, and is formed in a linear groove 32c formed on the upper surface of the left rear end of the support 32 in the front-rear direction. The protruding portion is slidably engaged. However, a protrusion 33c is formed on the left side surface of the overhanging portion 33b, and the protrusion smoothly contacts the left wall surface in the linear groove 32c. Further, at the right front end of the moving lever 33, two projecting portions 33d, 33e extending downward and separated in the front-rear direction (the arrow Y direction and the opposite direction) are provided.
Is formed, and the respective projecting portions 33d, 33e are slidably engaged with two linear openings 32d, 32e formed by extending in the front-rear direction at the right front end portion of the support body 32. ing. A protrusion 33f is formed on the right side surface of the overhanging portion 33d, and is smoothly in contact with the right wall surface inside the linear opening 32d.

As is clear from FIGS. 16 (a) and 16 (b), the rear end of the moving lever 33 is provided with a projecting portion 33g extending downward so that the rear end of the magazine 5 can be engaged with it. Has been done. That is, when the rear end of the magazine 5 is engaged with the projecting portion 33g, the moving lever 33 is moved rearward. Further, the moving plate 33 is connected to a coil spring 33h for applying a biasing force to the moving plate in the forward direction (direction of arrow Y).

As shown in FIGS. 14 and 16 (a) and (b),
Below the movable lever 33, a pair of detection switches 34 and a pair of detection switches 34 are provided so that the overhanging portions 33d, 33e of the movable lever, which move forward and backward, can engage the actuators 34a, 35a to operate the respective actuators.
35 are arranged.

The moving lever 33 and the detection switches 34 and 35 constitute a magazine mounting detecting means for detecting that the magazine 5 is mounted on the magazine mounting portion in the player housing 2.

Note that, as shown in FIG. 17, at the edges of the pair of linear openings 33a formed in the moving lever 33, burrs 33i generated when the linear openings are punched out are formed.
However, since the moving lever 33 is attached to the support 32 in the front-back direction, the burr does not come into contact with the support 32.

Next, a moving member moving means for moving the moving member 18 composed of the movable chassis A19 and the movable chassis B20 in the vertical direction (the direction of the arrow Z and the opposite direction) will be described.

As shown in FIGS. 6 to 10, on the outer surfaces of the left and right upright portions 16b and 16c of the chassis 16, there are provided a pair of longitudinal moving plates 37 and 38 which are a pair of moving members extending in the front-rear direction. . 7 and 8, each moving plate 37, 38 is formed with guide grooves 37a, 37b and 38a, 38b extending in the extending direction of each moving plate. , 38 are such that each guide groove is an upright portion 16b, 1
It is attached to the chassis 16 as a support member by being movably fitted to a pin 16d protrudingly provided on the outer surface of 6c. That is, the movable plates 37 and 38 are reciprocally movable in the front-rear direction.

Here, the moving member 18 including the movable chassis A19 and the movable chassis B20 is referred to as a first moving member, and the moving plates 37 and 38 are referred to as a second moving member. The seventh
As is apparent from FIGS. 8A and 8B, some of the guide grooves 37a, 37b, 38a, 38b formed in the moving plates 37, 38 which are the second moving members have guide grooves 37b, 38b partially It is provided so as to be offset to one side portion in the moving direction, in this case, the lower side portion. The other guide grooves 37a, 38a are not so biased.

The movable chassis B20, which is a component of the movable member 18, which is the first movable member, has three pins 20c, one on the left side and two on the right side, that is, a total of three pins 20c. As is clear from FIGS. 7 and 8, these pins are movably fitted in guide grooves 16e formed by vertically extending the left and right compatible surface portions 16b and 16c of the chassis 16 which is a supporting member. By this, the movable chassis B20 is guided in the vertical direction.

The guide groove 16e formed in the chassis 16 is referred to as a first guide groove, whereas the guide grooves 37b and 38b formed in the moving plates 37 and 38 as the second moving members are referred to as second guide grooves. .

The pins 20c protruding from the left and right sides of the movable chassis B20 project outside the chassis through the guide grooves 16e of the chassis 16, and cam grooves 37d formed on the inner surfaces of the movable plates 37 and 38 as the second movable members. , 38d are movably engaged with the pin 20c. Cam groove 37 formed on the moving plate 37
d is formed as a whole so as to be inclined forward (direction of arrow Y) and downward (direction of arrow Z). Also,
The cam groove 38d formed in the moving plate 38 is formed so as to be inclined forward and upward as a whole. That is, the cam grooves 37d, 38d are arranged such that when the moving plates 37 and 38 as the second moving members relatively move, the moving member 18 (comprising the movable chassis A19 and the movable chassis B20) as the first moving member moves up and down. Is formed.

The cam grooves 37dd, 38d are guide grooves 37b, 38b formed on one side (lower side) of the moving plates 37, 38 in the moving direction.
And the other side portion (upper side portion) of each of the moving plates. Also, the cam grooves 37d and 38d are
Six linear parts 37 extending in 7,38 moving directions (front-back direction)
e, 38e and slanted portions 37f, 38f which are continuous with each of the linear portions and are inclined with respect to the linear portions, and form a stepwise cam groove as a whole. Further, as shown in FIGS. 7 and 8, the ends of the cam grooves 37d and 38d and the ends of the guide grooves (second guide grooves) 16e formed in the chassis 16 are aligned with each other.

As is apparent from the above configuration, the movable member 18 (the movable chassis B20, which is a component of the movable member 18) is supported at three points with respect to the chassis 16 as the support member via the pins 20c and the movable plates 37 and 38. 10, one of the support points (that is, the position of the pin 20c) is provided between the tray guide groove 30a of the tray guide member 30 and the tray guide portion of the movable member 18 (the arc-shaped guide surface of the movable chassis A19). 19 and movable chassis B
20 arcuate guide protrusions 20a)).

By arranging one of the support points of the moving member 18 at this position, the positioning of the tray guide portion provided on the moving moving member 18 with respect to the tray guide groove 30a can be performed with high accuracy. Is performed smoothly and with high precision.

As shown in FIGS. 6 and 9, a rack portion 37h is formed at the right front end of the left moving plate 37 along the extending direction of the fine moving plate. The rack portion 37h includes a table gear 4 provided on the flat surface portion 16a of the chassis 16.
The 0 small gear portion 40a is meshed. The large gear portion 40b of the double gear 40 is connected to the output shaft of the motor 45 by a gear 41, a pulley 42 formed integrally with the gear 41, a belt 43, and a small pulley 44. In addition, the left and right moving plates 37
Between 38 and 38, a rotation rotatably attached to the plane portion 16a of the chassis 16 at a substantially central portion thereof via a rotation support shaft 47a extending in the vertical direction (the arrow Z direction and the opposite direction). A lever 47 is provided, and both ends of the rotating lever 47 are pivotally attached to the left and right moving plates 37, 38.

The above-described double gear 40, gear 41, pulley 42, belt 43, small pulley 44, motor 45, rotating lever 47
And peripheral small members related thereto constitute driving force applying means for applying a driving force to the moving plates 37 and 38 as the second moving members. Further, by the driving force applying means and the moving plates 37, 38 which are the second moving members,
Moving member composed of movable chassis A19 and movable chassis B20
A moving member moving means for moving the moving member 18 in the vertical direction (the direction of the arrow Z and the direction opposite thereto) is configured.

As shown in FIG. 7, a detection switch 49 is provided on the inner surface of the left side upright portion 16b of the chassis 16. This detection switch 49 is a second reciprocating
This is for detecting that the moving plate 37, which is a moving member, is at the most backward movement position (forward movement limit position), and an engagement projection 37i protruding from the left surface of the moving plate 37 is related to the actuator. It works by combining. Moving plate 37
An address plate 50 having six slits 50a aligned along the moving direction of the moving plate on the right surface of the front end of the address plate 50.
Is provided. Further, behind the detection switch 49, a photo sensor 51 for detecting the slit is provided corresponding to the slit 50 of the address plate. Note that the detection switch 49 is referred to as a first sensor, whereas the photo sensor 51 is referred to as a second sensor. The slit detection signal obtained from the second sensor is sent to a counter (not shown) that counts the slit detection signal. Also,
A control unit (not shown) that performs automatic control of the multi-disc player is arranged at a predetermined position in the player housing 2, and the control unit knows the stop position of the moving plate 37 from the count value of the counter.

The detection plate 49 serving as the first sensor, the address plate 50, the photo sensor 51 serving as the second sensor, the counter, and the control unit move the moving plate 37 to a desired address position and position at the position. Is configured. The positioning mechanism moves the moving plate 37 by a distance corresponding to the difference between the current address and the desired address when a movement command is issued when the photo sensor 51 serving as the second sensor is generating a slit detection signal. If there is a movement command when the sensor does not emit a slit detection signal, the moving plate 37 is moved (moved backward) until a detection signal is obtained from the detection switch 49 as the first sensor, and then moved to the position of the desired address. Has become.

As shown in FIGS. 6 and 10, the movable chassis B20, which is a component of the moving member 18, is engaged with one of the trays 11, 12 in the magazine 5 at the right front end of the upper surface. A tray projecting member 53 for projecting each tray to the outside of the magazine main body 8 is provided. FIG. 18 shows details of the tray projecting member 53. As is apparent from FIG. 18, the tray protruding member 53 is formed in a substantially L shape as a whole, and has a different radius of 2 formed on the movable chassis B20.
A pair of pins 53a projecting from the tray projecting member are movably engaged with one of the arcuate guide grooves 20e, 20f (see, for example, FIG. 12) for guiding. That is, the tray projecting member 53 rotates about the center of curvature of each arc-shaped guide groove 20e, 20f as the axis of rotation, and pushes the tray 11, 12 at its rotating end 53b to project it from the magazine body 8. The second
As is clear from FIG. 6B and FIG. 6, the tray protruding member
The virtual rotation axis of 53 (center of curvature of the guide grooves 20e, 20f) and the rotation support axis 8a of each tray 11, 12 are aligned. Further, each tray 11 and 12 is near the rotation support shaft 8a.
11 m and 12 m (see FIGS. 2 (b), 4 (a), and 5 (a)) are pushed by the tray projecting member 53 to project to the outside of the magazine body 8.

The tray protruding member 53 is made of a relatively soft resin, and the rotary end portion 53b of the tray protruding member is flexible in the vertical direction, that is, the arrangement direction of the trays 11 and 12, and has a small amount of play in the vertical direction. Have been. Therefore, when a part of the rotating end portion 53b of the tray projecting member 53 is fitted into the tray guide path (described above) of the magazine body 8, this flexibility provides
The rotating end moves along the tray guide path. Further, the tray protruding member 53 has its rotating end portion 53b.
20g of the Y-shaped groove of the movable chassis B20 when the
And the movement in the Z direction (upward) is restricted.

Since the tray protruding member 53 is provided on the movable chassis B20 which is a constituent member of the moving member 18, the moving member moving means (including the moving plates 37 and 38) described above and the address plate 50 and the like are provided. And a positioning mechanism that includes a tray (11 that carries the disk 10 to be played.
Alternatively, a tray projecting member moving means for moving the tray projecting member 53 together with the moving member 18 is provided at a position engaging with 12).

Next, a tray projecting member driving unit that rotationally drives the tray projecting member 53 so that the above-described trays 11 and 12 project from the magazine main body 8 will be described.

As shown in FIGS. 6, 9, and 10, a moving body 56 extending in the front-rear direction is disposed on the right side of the chassis 16 and is movably movable in the extending direction. Attached to. The details of the moving body 56 are shown in FIGS. 19 (a) and (b). At the right front end of the moving body 56, a rack portion 56a is formed along the extending direction of the moving body. A small gear portion 57a of a double gear 57 provided on the flat surface portion 16a of the chassis 16 meshes with the rack portion 56a. The large gear portion 57b of the double gear 57 has a gear 58
A pulley 59 integrally formed with the gear 58;
And a motor that is a torque generating means via the small pulley 61.
It is connected to 62 output shafts. With these double gears 57,
The gear 58, the pulley 59, the belt 60, the small pulley 61, the motor 62, and the peripheral small members associated therewith form a driving force applying unit that applies a driving force to the moving body 56.

As shown in FIGS. 10 and 13, in the vicinity of the deepest part of the magazine mounting portion in the player housing 2, the magazine 5 mounted in the magazine mounting portion is projected to the outside of the magazine mounting portion. A swing lever 64 is arranged so as to extend in the substantially left-right direction, and is swingably attached to the lower surface of the guide holding member 29 at a substantially central portion thereof via a pin 64a. However, the pin 64a extends in the vertical direction (the arrow Z direction and the opposite direction). As is clear from FIG. 13, an upwardly extending bulge 64b is provided at the right end of the swing lever 64 so that the swing lever 64 contacts the rear end of the magazine at the bulge. Contact. A gear portion 64c having a pin 64a as its center of curvature is formed at the left end portion of the swing lever 64, and a braking gear 65a included in the damper 65 meshes with the gear portion 64c. The damper 65 applies a braking force by viscous resistance of a viscous agent such as grease held therein. The swing lever 64 is a coil spring 64.
Magazine dash output is given by d.

The magazine 5 is loaded into the player housing 2 by the swing lever 64, the damper 65, and the coil spring 64d.
A projecting means for projecting from the magazine mounting portion inside to the outside is configured. As is clear from FIG. 13, a straight line 66a connecting the swing center (pin 64a) of the swing lever 64 and the engagement point (overhanging portion 64b) of the swing lever with the magazine 5,
When the angle formed by the straight line 66b passing through the center of the coil spring 64d is θ, the coil spring 64d is stretched such that this θ is always an acute angle regardless of the swing angle position of the swing lever 64. With such a configuration, the magazine projection force applied to the swing lever 64 by the coil spring 64d is almost constant at any swing angle position of the swing lever 64.

As shown in FIG. 19 (a), the rotating one end 67a of the movable body 56 is engaged with the locking recess 5g of the magazine 5 (see FIGS. 2 (b) and 2 (c)) in the vicinity of the movable body 56. As a result, a lock member 67 for locking the magazine with respect to the player housing 2 at the mounting position is provided rotatably around the pin 67b. The position of the lock member 67 shown in FIG. 19 (a), that is, the position at which the lock member locks the magazine 5 is referred to as an engagement position, while the pin 67b is centered in FIG. 19 (a). The position where the one end portion 67a of the rotary member 67a rotates counterclockwise by a predetermined angle to be disengaged from the locking recess 5g of the magazine 5, that is, the position where the locked state is released is referred to as the second position. The locking member 67 is the pivoting end 67.
It is biased by a spring member (not shown) so that a fits into the locking recess 5g of the magazine 5. Fig. 19 (b)
As shown in, the upper surface of the moving body 56 is
56b is projectingly provided, and a taper portion 67d formed at the other end of the rotation of the lock member 67 can be engaged with this pin. That is, the locked state of the magazine 5 by the lock mechanism including the lock member 67 and the spring member (not shown) is released by the forward movement of the moving body 56. A bent portion 67e extending substantially leftward is provided at the other end of the rotation of the lock member 67, and the bent portion 67e of the movable body 56 is provided when the lock member is in the above-described second position and its vicinity. The rearward movement of the moving member is restricted by engaging the pin 56b.

As shown in FIGS. 6, 9, and 10, a moving member that moves in the vertical direction (the direction of arrow Z and the direction opposite thereto).
An intermediate lever 70 is rotatably attached to the lower surface of 18 (a movable chassis B20, which is a constituent member of 18) via a pin 70a. At one end of rotation of the intermediate lever 70, a columnar engaging portion 56d is formed at the rear end of the moving body 56 so as to extend vertically.
U-shaped notch 70b that can smoothly engage with the U-shaped notch 70b is formed. As shown in Fig. 20 and Fig. 21, the movable chassis
A first lever member 71 and a second lever member 72, which both extend in the left-right direction, are arranged at the front end portion of the lower surface of the B20, and reciprocate in the respective extension directions of the movable chassis B20 via a plurality of pins 73. It is attached freely. No. 22
Details of the first lever member 71 and the second lever member 72 are shown in FIGS. For example, as shown in FIG. 10, a pin 70c is projectingly provided on the other end of the rotation of the intermediate lever 70, and the pin is formed on the right end of the second lever member 72 by extending in the front-rear direction. It is slidably fitted in the formed long hole 72a. That is, when the moving body 56 reciprocates back and forth (the arrow Y direction and the opposite direction), the intermediate lever 70 moves the pin 70a.
The second lever member 72 reciprocates in the left and right directions (the arrow X direction and the opposite direction). The moving body 56 described above and a motor
A drive mechanism for driving the second lever member 72 is configured by the drive force applying means (described above) including 62 and the like for applying the drive force to the moving body 56, the intermediate lever 70, and peripheral small members related thereto. ing. The first lever member 71 engages with the tray projecting member 53 at the right end portion, and has the action of rotating the tray projecting member by its forward movement (movement to the right copying). The second lever member 72 is for moving a support body (described later) which is a constituent member of a clamp mechanism described later.

As shown in FIGS. 10, 20, and 21, the first lever member 71 is for urging the first lever member 71 in its forward direction, that is, in the right direction (counter arrow X direction). One end of a coil spring 75, which is an urging means of, is connected. The coil spring 75 is incorporated so as to be interposed between the first and second lever members 71 and 72, and the other end of the coil spring is connected to the second lever member 72.

As shown in FIG. 20, the lower surface of the movable chassis B20 has a first recess 20h extending in the left-right direction (the arrow X direction and the opposite direction), and the upper surface of the second lever member 72 has this first recess 20h. A second recess 72c is formed so as to be able to face the first recess 20h. The first lever member 71 positioned so as to be sandwiched by the movable chassis B20 and the second lever portion 72 is provided with an opening 71a that can face the first and second recesses 20h and 72c. Inside the opening 71a, the first concave portion 20h and the second concave portion
A spherical movable piece 76 that can engage with 72c is arranged. Here, the dimension indicated by da in FIG. 20, that is, the distance between the facing surfaces within the relative movement range of the movable chassis B20 and the second lever member 72 is smaller than the outer diameter dimension of the movable piece 76. Also, similarly, the dimension indicated by db in FIG. 20, that is, one of the facing surfaces of the movable chassis B20 and the second lever member 72 and the recessed portion facing the one of the first recessed portion 20h and the second recessed portion 72c. The distance from the bottom of the movable piece 76
Is slightly larger than the outer diameter dimension.

The first and second recesses 20h and 72c described above, the opening 71a,
By the movable piece 76 and the like, the first and second lever members 71, 72
And the first and second lever members are moved forward (rightward = counter arrow X direction) in the locked state so that the first lever member 71 is at the most forward movement position (that is, the first lever member is rotated by the first lever member). A lock / release means is configured to release the locked state when the moved tray projecting member 53 reaches the vicinity of a position where the trays 11 and 12 are completely projected from the magazine body 8. The slight movement of the first lever member 71 to the most forward movement position after the locked state with the second lever member 72 is released is made by the urging force of the coil spring 75 described above, and During the slight movement of the lever member, the arcuate portions 11n and 12n of the trays 11 and 12 (see FIGS. 4A and 5A, etc.) are formed in the movable chassis A19 and the arcuate predetermined contact portion 19c is formed. (See FIGS. 6 and 10) so that the disk 10 carried on the tray is concentric with the disk carrying surface 23a (see FIG. 11B) of the turntable 23, that is, the disk. Positioned just below the carrying surface.

Locking / unlocking means described above (consisting of movable piece 76 etc.)
And the first and second lever members 71, 72, the coil spring 75 as the biasing means, the drive mechanism (including the moving body 56, the motor 62, etc.) for driving the second lever member 72 (described above). Tray projecting member driving means for rotationally driving the tray projecting member 53 (illustrated in FIG. 18) to project the magazines 12, 12 from the magazine body 8 is constituted.

Further, the tray projecting member driving means, the chassis 16 as a supporting member, the moving member 18 as a first moving member (comprising the movable chassis A19 and the movable chassis B20), the tray projecting member 53, the moving plates 37, 38, etc. The tray projecting member moving means comprises a tray projecting means for projecting the tray 11 or 12 carrying the disk 10 to be played from the magazine body 8.

As shown in FIG. 10, a plate-like support 79 extending in the left-right direction (the arrow X direction and the opposite direction) is provided on the left side of the lower surface of the moving member 18 (the movable chassis B20 which is a constituent member of the moving member 18).
And is swingably attached to the movable chassis B20 at its left end portion via a pin 79a. The pin 79a extends in the front-rear direction (the direction of the arrow Y and the opposite direction). Therefore, the swinging direction of the support 79 is perpendicular to the disk carrying surface 23a of the turntable 23 (see FIG. 11 (b)). It is in the plane. At the free end of the support 79, a disk-shaped pressing member 80 which abuts on the surface of the disk 10 opposite to the turntable 23 and cooperates with the turntable to perform a disk clamping action is rotatably mounted. I have. Further, as will be described later, a coil spring for urging the support 79 in a direction in which the pressing member 80 approaches the disk carrying surface 23a of the turntable 23 is provided.

The support 79, the pressing member 80, and the like constitute a clamp mechanism for clamping the disk.

As shown in FIG. 10, a pin 79c extending forward projects from the free end of the support 79, and the pin 79c is engaged with a planar guide portion 72e at the rear edge of the upper surface of the second lever member 72. I agree. A taper portion 72f is formed on the left end portion of the second lever member 72, which is an extension of the plane guide portion 72e, and is engageable with the pin 79c of the support 79. As is particularly clear from FIG. 20, the taper portion 72f is inclined upward to the left (direction of arrow Z) toward the left (direction of arrow X). That is, the pin 79c of the support 79 slides on the flat guide portion 72e as the second lever member 72 moves forward (rightward = movement in the direction opposite to the arrow X), and at this time, the pressing member 80 is clamped. The pin 79c is held at the release position, and the pressing member 80 is moved to the clamp position when the pin 79c descends along the tapered portion 72f.

Here, the shapes of the turntable 23 and the pressing member 80 will be described in detail.

As shown in FIG. 23, a protrusion 8a that fits into the center hole of the disk 10 is formed at the center of rotation of the disk-shaped pressing member 80. On the other hand, the turntable 23 is provided with a recess 23b into which the protrusion 8a can be fitted. As described above, the pressing member 80 is rotatably supported by the support 79, which is movable with respect to the turntable 23, via the spherical bearing member 80b. By the above-mentioned clamp mechanism, the second lever member 72, and the drive mechanism (described above) for driving the second lever member, on the tray 1 or 12 which is projected to the outside of the magazine body 8 by the tray projecting means described above. The loaded disk 10 is placed on the disk carrying surface 23 of the turntable 23.
The disk moving means is configured to move in a direction perpendicular to a (see FIG. 11 (b)), in this case, upward (direction of arrow Z). The disk moving means and the tray projecting means constitute a disk take-out and transport mechanism for sequentially selecting any disk 10 in the magazine 5 and transporting the disk 10 onto the disk carrying surface 23a of the turntable 23. The second lever member 72 and the drive mechanism (described above) for driving the second lever member are also used as the tray projecting means and the disk moving means.

As shown in FIGS. 6, 9, and 10, a plate-shaped disc pressing member 83 is arranged between the movable chassis A19 and the movable chassis B20 forming the moving member 18 so as to be sandwiched between them. A plurality of pins 83a projecting from the disc pressing member are attached to the movable chassis A by movably engaging with cam grooves 19e formed in the movable chassis A19. As shown in FIG. 11 (b), the cam groove 19e is formed, for example, inclined upward (in the direction of arrow Z) toward the left (in the direction of arrow X). That is, the cam groove 19e is formed so that when the disk pressing member 83 moves left and right, the disk pressing member moves up and down. As is clear from FIGS. 9 and 10, the disc pressing member
A downwardly extending protrusion 83b is formed on the lower surface of the right rear end of 83, and one end 70e (see FIG. 10) of the rotating intermediate lever 70 pushes the right edge of the protrusion 83b to press the disc holder. The member can be moved to the left (direction of arrow X). The disc pressing member 83 is biased to the right (counter arrow X direction) by a coil spring 84 shown in FIG. 9, for example.

The above-mentioned disc pressing member 83 is provided on the disc carrying surface 23a of the turntable 23 by the above-mentioned disc moving means.
Direction perpendicular to (see Fig. 11 (b)) (vertical direction)
This is for abutting the surface of the disk to be moved to the surface facing the disk carrying surface at its lower surface, thereby maintaining the parallelism of the disk 10 to the disk carrying surface.

Although the story goes back and forth, for example, as shown in FIG. 6 and FIG. 8, a pair of front and rear detection switches 86, 87 are provided on the inner surface (left surface) of the right facet portion 16c which is a part of the chassis 16. It is installed. Both detection switches 86 and 87 are for detecting the moving position of the moving body 56 driven by the motor 62. As is particularly clear from FIG. 8, each of the detection switches 86 and 87 has actuators 86a and 87a which project obliquely with respect to the switch body and swing. A pair of rollers 88, 89 provided movably only in the vertical direction (the arrow Z direction and the opposite direction) on the support 32 fixed to the chassis 16 (see FIG. 15 etc.) are the actuators 86a. , 87a is engaged with the free end. As shown in FIGS. 19 (a) and 19 (b), the rollers 88 and 89 engage with a protrusion 56f having a trapezoidal cross section formed on the lower surface of the front end portion of the moving body 56 and extending in the front-rear direction. ing. That is, when the movable body 56 moves back and forth by a predetermined distance, the rollers 88 and 89 are appropriately moved up and down by the action of the protrusion 56f, whereby the detection switches 86 and 87 are operated. However, Laura
88, 89 are moved upward by a biasing force applying means such as a spring provided in each detection switch 86, 87 for each actuator 86.
It is done by the bias force applied to a and 87a.

The detection signals emitted from the detection switches 34, 35, 49, 86, and 87 and the photo sensor 51 are transmitted to the control unit (not shown), and the control unit responds to the detection signals. Motors 27, 45, 62 according to operation signals sent
In addition, the turntable 23 operates at a predetermined timing described later.

As shown in FIG. 10 and FIG. 24, a pair of rollers 111 is arranged so as to smoothly contact the main surface of the disk 10 on the tray B12, which projects outside the magazine body 8 of the magazine 5. The roller 111 is made of rubber or the like. 24th
As shown in the figure, a lever member 112 is provided on the side of each roller 111, and a moving member 18 (comprising a movable chassis A19 and a movable chassis B20 at one end thereof via a pin 112a, (See FIG. 6 etc.). The pin 112a extends at right angles to the vertical direction (the arrow Z direction and the opposite direction), and therefore, the swinging direction of the lever member 112 is within a plane including the vertical direction. The roller 111 is this lever member 112.
Is rotatably attached to the other end, that is, the free end, via a pin 111a. The pin 111a extends in parallel with the pin 112a. The lever member 112 is fixed to the pin 112a.

On the pin 112a to which the lever member 112 is fixed, another lever member 113 is attached at its one end so as to be swingable with respect to the pin. The protrusion 112 formed at one end of the lever member 112 is provided at the one end of the lever member 113.
A protrusion 113b capable of engaging with b is formed. A coil spring 115 is provided between the free ends of the lever members 112 and 113.
And a coil spring 116 is connected to the free end of the lever member 113. These coil springs 115 and 116 act as a biasing means that biases the roller 111 so that the roller approaches the main surface of the disk 10.

The lever member 113 is connected to, for example, a second lever member 72 shown in FIG. 10 by a power transmission means (not shown), and drives the second lever member, and thus the support 79 which is a component of the clamp mechanism. The drive mechanism (described above) applies a driving force to swing. That is, the drive mechanism and power transmission means and the lever member 113 constitute a drive means for driving the lever member 112. Further, by the driving means, the roller 111, the lever member 112, and the coil springs 115 and 116,
The disc driving means (clamping mechanism) described above constitutes a shift preventing means for preventing a shift in the disk radial direction of the disk 10 which is moved upward (direction of arrow Z).

It should be noted that, as described above, the driving force for driving the support member 79, which is a constituent member of the clamp mechanism, applies the driving force to the lever member 112.
A special drive source for driving only the disc player is unnecessary, and it is easy to reduce the size of the disc player as a whole.

Note that FIG. 24 shows a coil spring 117 as a biasing means for biasing the support 79 upward (in the direction of arrow Z).

Next, the moving member 18 carrying the turntable 23 and the like.
(Movable chassis A19 and movable chassis B20,
Chassis 16 as a supporting member when the disc is being played (see FIG. 1) (see FIG. 1, etc.)
The locking means for locking against will be described.

As shown in FIGS. 10 and 25, on the lower surface of the movable chassis B20 which is a constituent member of the moving member 18, three longitudinal sliders are formed so as to extend in the left-right direction (the arrow X direction and the opposite direction). 121, 122 and 123 are arranged and attached to the movable chassis B20 so as to be reciprocally movable in the extending direction. Longitudinal slider 121 or
Overhangs 121a, 122a, 123a extending upward are formed at one end of 123, and locking pins 125 extending parallel to the sliders are fixed to the respective overhangs. As shown in FIG. 26, on the right and left upright portions 16b and 16c of the chassis 16, six locking holes 16g are arranged in parallel in the vertical direction in correspondence with each locking pin 125. The pointed portion of the locking pin 125 can engage with the locking hole 16g.

As is clear from FIG. 26, the locking pin 125 is attached to the slider 1
21 (and 122, 123), which is movably provided in the moving direction of the slider, and is a flange portion 1 formed substantially in the center of the locking pin 125.
25a and the protrusion 121a (122a, 122a, 122, 123) of the slider 121 (and 122, 123)
123a) and a coil spring 12 as an elastic member.
6 is interposed. By providing the coil spring 126, the engaging force of the locking pin 125 with respect to the locking hole 16g is always a proper strength.

As shown in FIG. 25, each longitudinal slider 121 to 1
23 is an intermediate lever 128,129,130 and pins 128a, 128b, 128
The operation is synchronized by the synchronization means composed of c, 129a and 130a.

As shown in FIG. 10, a projecting portion 20j is projectingly provided at the rear end of the movable chassis B20, and a relay lever 132 swings at one end of the projecting portion 20j via a pin 132a. It is movably attached. The free end portion of the relay lever 132 is branched into a first branch portion 132b and a second branch portion 132c.
As shown in FIG. 25, a protrusion 122b extending rearward (counter-arrow Y direction) is formed at the right end of the slider 122, and the tip of the protrusion extends downward (counter-arrow Z direction). ) Is provided so as to extend, and the first branch portion 132b and the second branch portion 132c are positioned so as to sandwich the pin 122c, and can engage with the pin. The position of the relay lever 132 shown in FIG. 10 is called the first position, and the position pivoted about the pin 132a in the clockwise direction in FIG. 10 by a predetermined angle is called the second position of the relay lever. Relay lever 132
Swings between the first position and the second position. Further, when the relay lever 132 is in the first position, the first branch portion 132b of the relay lever engages with the pin 122c of the slider 122, and when the relay lever is in the second position, the second branch portion.
132c engages the pin 122c.

A spring member 134 is connected to the first branch portion 132b of the relay lever 132 as a biasing means for biasing the relay lever toward the first position and the second position. First branch 132
An elongated hole 132e is formed in a substantially central portion of b, and a pin 70h protruding from the free end portion 70g of the intermediate lever 70 is formed in the elongated hole 132e.
It is loosely fitted inside. That is, the relay lever 132
The rocking force is applied by the rocking force applying means including the intermediate lever 70.

The swinging force applying means, the synchronizing means including the intermediate lever 128 and the like, the relay lever 132, and the spring member 134 constitute slider driving means for driving the sliders 121 to 123. Further, the slider driving means, the sliders 121 to 123, the locking pins 125, and the coil spring 126 (shown in FIG. 26) as an elastic member carry a playing means including a turntable 23 and the like. 18
(Movable chassis A19 and movable chassis B20,
(Shown in the drawings) is configured to lock to the chassis 16 as a supporting member when the disc is being played.

Next, a disc presence / absence detection means for detecting the presence / absence of each disc in the magazine 5 will be described.

As shown in FIG. 2 (b) and FIG. 27, on the right side of the magazine 5, the pin 137 is centered in a plane parallel to the main surfaces of the trays 11 and 12 in the magazine. Within the range, two rotation groups of three each, six rotation levers 138, 139, 140, 141, 142 and 143 in total are arranged. The rotating levers are provided so as to overlap each other in the vertical direction (the arrow Z direction and the opposite direction), and
It can engage with the outer periphery of the disc 10 carried on each tray 11 and 12 at its pivoting end. A photo sensor 145 for detecting the movement of the other end of the rotating levers 138, 139 and 140.
And a photo sensor 146 for detecting the movement of the other end of the rotating levers 141 to 143. The rotary levers 138 to 140 detected by the photo sensor 145 are each formed in a substantially flat plate shape, and the rotary levers 141 to 143 detected by the photo sensor 146 rise upward (in the Z direction). Part 1
41a, 142a, 143a are provided. As a result, the two photo sensors 145 and 146 are arranged along a plane parallel to the main surfaces of the trays 11 and 12. In addition,
Although not shown, urging means is provided for urging the rotating levers 138 to 143 so that the rotating one ends of the rotating levers 138 to 143 approach the outer peripheral portion of the disk 10.

Each of the above-mentioned rotating levers 138 to 143 and a photo sensor
145 and 146 constitute a disc presence / absence detecting means for detecting the presence / absence of each disc in the magazine 5. That is, the rotary levers 138 to 1 depending on the presence or absence of a disc.
The presence or absence of the disc is determined by detecting the change in the angular position of 43 by the photo sensors 145 and 146.

Next, the operation of the multi-disc player having the above-mentioned configuration will be briefly described along the playing procedure with reference to FIGS. 28 to 32.

First, when a disc to be played is designated by operating the operation button group 6 shown in FIG. 1, a drive voltage is supplied to the motor 45, and the moving plates 37 and 38 are forward (arrow Y direction). Alternatively, it starts moving backward (in the direction of the opposite arrow Y). Therefore, the action of the stepped cam grooves 37d, 38d formed on the moving plates 37, 38 and the guide groove 16e formed on the chassis 16 causes the pin 20c, which is movably fitted in each groove, to move vertically. Then, the moving member 18 including the movable chassis B20 on which the pin 20c is projectingly moved vertically. Therefore, the tray projecting member 53 provided on the moving member 18 reaches the position where it engages with the tray 11 or 12 carrying the disc to be played.

Here, the movement and positioning of the moving plate 37 before and after,
Therefore, the vertical movement and positioning of the tray projecting member 53 will be described in detail.

The DCNT signal shown in FIGS. 28 and 29 is a slit detection signal emitted from the photo sensor 51. Also,
The DCHM signal is a detection signal emitted from the detection switch 49 that detects that the moving plate 37 is at the most returning position (forward movement limit position), that is, the home position. 28th
As shown in the figure, if the movement command is issued while the photo sensor 51 is emitting the DCNT signal, the current address (current DIS
The moving plate 37 is moved by a distance corresponding to the difference between C) and the desired address (search DDISC). If a movement command is issued when the photo sensor 51 does not emit a DCNT signal, the moving plate 37 is moved back (moving forward) until a DCHM signal is emitted from the detection switch 49, and then a desired address (searching) is performed. DISC).

Thus, when the tray protruding member 53 is positioned at the engagement position with the tray carrying the disc to be played,
Next, the motor 62 starts rotating, and the moving body 56 is driven backward (in the direction opposite to the arrow Y). Therefore, the intermediate lever 70 is
The second lever member 72 connected to the intermediate lever moves to the right (counter arrow X direction) by being rotated in the counterclockwise direction in the drawing. As shown in FIG. 20, the second lever member 72 is also in the locked state with the first lever member 71 by the lock / release means including the movable piece 76 and the like. Therefore, both the first lever member 71 and the second lever member 72 move to the right,
This causes the tray projecting member 53 to rotate, for example, in the clockwise direction in FIG. Therefore, as shown in FIG. 2 (b), the tray (for example, tray B12) carrying the disc to be played protrudes from the magazine body 8 and the disc is placed on the disc carrying surface 23a of the turntable 23 (FIG. 11 (b)). ))), That is, to a position concentric with respect to the above), that is, immediately below the disk carrying surface. However, the lock state of the first and second lever members 71 and 72 by the lock / release means is released immediately before the rotation of the tray protruding member 53, and thus the rightward movement of the first lever member 71, is completed. The subsequent slight rightward movement of the first lever member 71 causes the coil spring 75 (first
20) and the like, and the arcuate portion 12n of the tray B12 is pushed by the urging force (see FIG. 2B).
The positioning of the tray is completed by abutting against the arc-shaped predetermined abutting portion 19c of the movable chassis A19. It should be noted that when the tray is completely ejected from the magazine body 8, the moving body 56
Is detected by a detection signal from a detection switch 87 (see FIG. 8 etc.) which operates by the movement of. Also, tray B1
Before the tray protrudes from the magazine body 8, the flexible shift preventing projections 12j and the like formed on 2 are in the state shown in FIG.

The second lever member 72 released from the locked state with the first lever member 71 is further driven to the right (counter arrow X direction), and is pinned to the taper portion 72f (shown in the twentieth illustrated) of the second lever member by the pin 79c. The support 79 (shown in the tenth figure) of the engaged clamp mechanism swings upward (direction of arrow Z). Therefore, the disc is lifted up and clamped to the turntable 23 (state shown in FIG. 31). The upward movement of this disc is shown as DISC load in FIG. Further, with the upward movement of the disk, the disk pressing member 83 moves up with the disk by the rotation of the intermediate lever 70. However, when the loading of the disk onto the turntable is completed, the disk pressing member 83 slightly separates from the disk, and the disk pressing member does not hinder the rotation of the disk.

Here, the operation of the roller 111, the lever member 112, and the like shown in FIGS. 24 and 31 will be described in detail.

When the tray B12 projects from the magazine body 8, the roller 111 rotates while contacting the main surface of the disk 10 on the tray by the urging force of the coil springs 115 and 116. tray
When the protrusion of B12 is completed and the disc 10 is located directly below the turntable 23, and thereafter, the disc is moved upward by the clamp mechanism as described above, the lever member 112 is moved along with the upward movement of the disc. Swings upward, so that the contact state of the roller 111 with the disk main surface is maintained. At the same time when the disc is clamped, the other lever member 113 is swung, for example, in the clockwise direction in FIG. 31, and the projection 113b formed on the lever member causes the lever member 11 to move.
By engaging the second protrusion 112b, the lever member 112 is further swung clockwise by a predetermined angle. This allows the roller 111
Separates from the main surface of the disk 10. As described above, the swinging of the lever member 113 causes the second lever member 72 (10th
(See the drawings, etc.).

On the other hand, as shown in FIG. 32, the relay lever 132 is swung by a predetermined angle in the counterclockwise direction in FIG. 32 by the rotation of the intermediate lever 70. The relay lever 132 swings only when the relay lever 132 is initially moved by the rotation of the intermediate lever 70, and the swinging operation thereafter is due to the biasing force of the spring member 134. The swing of the relay lever 132 causes the first branch portion 132b of the relay lever to engage with the pin 122c of the slider 122 and push the slider to the left (direction of arrow X), whereby the other slider 121
And 123 (shown in the 25th figure) also move. Therefore, the locking pin 125 provided at the end of each slider is fitted into the locking hole 16g (shown in FIG. 25) formed in the chassis 16 as a supporting member, and thus the moving member 18 including the movable chassis B20 is moved. The whole is locked to the chassis 16.

Thus, the performance becomes possible, and the turntable 23 and the carriage 24 (see FIG. 9 etc.) operate to start the performance.

When the performance is finished, the disc is stored in the magazine main body 8. However, the disc storing operation is performed in the reverse process of the disc loading operation described above, and thus the detailed description thereof will not be given. Thereafter, the above operation is repeated according to the designated number of songs.

The operation of ejecting the magazine 5 to the outside of the player body is performed by pressing a magazine eject button in the operation button group 6. When the magazine eject button is pressed, the moving body 56 (see, for example, FIG. 19) is moved forward (arrow Y direction) by a predetermined amount, whereby the magazine 5 by the lock member 67 is moved.
Is unlocked. As a result, the swing lever 64 shown in FIG. 10 swings about the pin 64a, and the magazine 5 engaged with the free end of the swing lever is pushed out of the player body.

Effects of the Invention As described in detail above, in the disc holder (magazine 5) according to the present invention, the housing (magazine body 8)
And a plurality of plate-like trays (11, 12) each capable of carrying a disc on the main surface and projectably housed along the main surface with respect to the housing, the trays being provided outside the housing. When projecting, the radial movement of the disk carried on the tray by projecting more than the disk thickness from the disk carrying surface by more than the disk carrying surface when the tray is housed in the housing in the direction perpendicular to the disk carrying surface. A flexible protrusion member (11j, 11k, 11l, 12j, 12k, 12l) as a disc regulating member for regulating (positional deviation) is provided near the disc carrying surface of the tray.

Therefore, even if the tray vibrates vertically when the tray protrudes out of the housing, or if some external force is applied while the tray protrudes out of the housing, the disc protrudes more than the disc thickness from the disc carrying surface. The movement (positional deviation) of the disc in the radial direction is regulated by the disc regulation member, and problems such as mis-clamping can be prevented.

Also, since the disc regulating member projects more when the tray is projected outside the housing than in the case where the tray is housed in the housing in the direction perpendicular to the disc carrying surface, The tray can be thinned while sufficiently securing the effect of restricting movement (positional deviation) in the direction.

This makes it possible to reduce the size of the disc holder, and thus the size of the multi-disc player as a whole.
For example, it is also suitable for use in a vehicle-mounted multi-disc player.

[Brief description of drawings]

FIG. 1 is a perspective view showing an entire multi-disc player according to the present invention, FIGS. 2 (a) to 5 (b) are views for explaining a magazine, and FIG. 6 is an inside of the multi-disc player. A plan view of the structure, and FIGS. 7 to 9 are respectively VII-VII arrow views, VII-VII arrow views and IX- with respect to FIG.
IX arrow view, FIG. 10 is an XX arrow view of FIG. 9, FIG.
Figures (a) to 27 are partial detailed views of the internal structure,
28 to 32 are diagrams for explaining the operation of the multi-disc player. Explanation of main part code 2 …… Player housing 3 …… Front panel 5 …… Magazine 8 …… Magazine body 10 …… Disk 11 …… Tray A 12 …… Tray B 16 …… Chassis 18 …… Movement member 19 …… … Movable chassis A 20 …… Movable chassis B 23 …… Turntable 23a …… Disk carrying surface 24 …… Carriage 27,45,62 …… Motor 30 …… Tray guide member 33 …… Move lever 34,35,49, 86,87 …… Detection switch 37,38 …… Movement plate 47 …… Rotating lever 50 …… Address plate 51 …… Photo sensor 53 …… Tray protruding member 56 …… Movement 64 …… Swing lever 67 …… Lock member 70 …… Intermediate lever 71 …… First lever member 72 …… Second lever member 79 …… Support 80 …… Pressing member 83 …… Disc pressing member

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) Bibliography Shou 56-136375 (JP, U) Seki 60-82759 (JP, U)

Claims (1)

(57) [Claims] 1. A disc holder which holds a disc inside a housing and which is inserted and mounted in a mounting portion of a disc player to supply the disc into the disc player in response to an operation from the disc player for playing the disc. A plurality of plate-shaped trays each of which can carry a disc on its main surface and which can be housed in a protruding manner along each main surface with respect to the housing, wherein the tray is provided with the housing in the vicinity of the disc-carrying surface of the tray. When it is projected outward, it is carried on the tray by projecting more than the thickness of the disk from the disk carrying surface than when the tray is housed in the housing in a direction perpendicular to the disk carrying surface. A disc holder provided with a disc regulating member for regulating movement of the disc in the radial direction.