JP3039036B2 - Recording and / or playback device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a recording and / or reproducing apparatus for recording and / or reproducing information signals using a tape cassette or the like.

[0002]

2. Description of the Related Art Conventionally, a recording and / or reproducing system for recording and / or reproducing information signals by using a magnetic tape, a magnetic disk, or an optical disk as a recording medium.
Alternatively, a playback device is used.

As this kind of recording and / or reproducing apparatus,
2. Description of the Related Art Video tape recorders that record and / or reproduce information signals such as video signals using a tape cassette containing a magnetic tape have been used. 2. Description of the Related Art A video tape recorder is provided with a loading mechanism for transporting and loading a tape cassette to a predetermined loading position provided in a housing constituting the apparatus main body. The loading position where the tape cassette is mounted is controlled by the tape feed mechanism of the video tape recorder operating the magnetic tape stored in the tape cassette, and the magnetic head device is slid into contact with the operated magnetic tape to transmit the information signal. Is a position at which recording or reproduction of an image can be performed.

[0004] The loading mechanism provided in the video tape recorder has a holder member for holding a tape cassette inserted into the apparatus main body. This holder member
The tape cassette is formed in a size and shape sufficient to hold the tape cassette to be inserted into the apparatus main body, and a cassette insertion / removal opening is provided on one side. The held tape cassette is transported to a loading position in the apparatus main body.

[0005] The tape cassette conveyed to the loading position is positioned by a positioning member provided on a chassis supporting a tape feeding mechanism and a magnetic head device while being held by the holder member.

By the way, a video tape recorder using a tape cassette as a recording medium has been downsized to a portable size. This type of video tape recorder is configured such that a holder member forms a part of a housing. That is, in this video tape recorder, a cover plate forming a part of the housing is attached to the upper surface of the holder member. The cover plate is configured to be flush with other portions of the housing when the holder member transports the tape cassette to a loading position in the apparatus main body. When the holder unloads the tape cassette from the mounting position, the cover plate protrudes outward with respect to other portions of the housing.

[0007]

As described above, in a recording and / or reproducing apparatus having a loading mechanism in which a cover plate forming a part of a housing is attached to a holder member, the cover is held for carrying. When external force is applied to the cover plate by
There is a possibility that good recording and / or reproduction of information signals cannot be performed. That is, in the loading mechanism, since the cover plate is attached to the holder member, pressure applied to the cover plate is applied to the holder member via the cover plate, and the holder member may move with respect to the chassis. When the holder member moves with respect to the chassis, the tape cassette held by the holder member moves with respect to the chassis, disturbing the traveling path of the magnetic tape, and the sliding state between the magnetic tape and the magnetic head device is disturbed, Recording and / or reproduction of good information signals cannot be performed.

Further, the holder member is movably supported by a drive mechanism, and the movable range is slightly wider than the movable range by the drive mechanism. Therefore, the holder member can be slightly moved even in a state where the holder member is transported to the loading position in the tape cassette.
Since the holder member is movable as described above, the cover plate is moved with respect to the housing, and the sense of rigidity of the housing is lost.

In particular, when an operation section such as an operation button is provided on the cover plate, the cover plate receives pressure during use of the recording and / or reproducing apparatus, and the cover plate is distorted and stable. Not only cannot the operation of the operation unit be performed in the state, but it is impossible to obtain a good operation feeling.

Accordingly, the present invention has been proposed in view of the above situation, and in a recording and / or reproducing apparatus provided with a cover plate forming a part of a housing, a recording medium mounted on a main body of the apparatus. It is an object of the present invention to provide a recording and / or reproducing apparatus capable of guaranteeing stable driving of the apparatus, realizing good recording and / or reproducing characteristics, and ensuring sufficient strength of the apparatus main body.

[0011]

In order to solve the above-mentioned problems and to achieve the above-mentioned object, the present invention provides a recording medium having a recording medium inserted therein.
A holder member that holds the recording medium and is movably supported between a loading position and an unloading position, and is mounted to cover the holder member and elastically moves with respect to the holder member via an elastic member. An enabled cover plate, a loading mechanism for moving the holder member between the loading position and the unloading position, and loading the recording medium held by the holder member to the loading position; And a lid rotatably attached to the apparatus main body so as to close the cassette opening of the holder member when in the position. The lid supports the cover plate when the holder member is moved to the loading position and rotated to a position to close the cassette insertion opening of the holder member.

When the holder member is moved to the loading position and pivoted to a position for closing the cassette loading / unloading opening of the holder member, the lid member and the cover plate are engaged with each other to support the cover plate. Supporting means are provided.

An operation button for selecting an operation mode of the recording and / or reproducing apparatus is provided on the cover plate.

[0014]

According to the present invention, when the holder member is moved to the loading position and the lid is rotated to a position for closing the cassette insertion / removal opening of the holder member, the cover plate is supported by the lid, and the movement with respect to the holder member is performed. Be regulated.

[0015]

Embodiments of the present invention will be described below with reference to the drawings.

This embodiment shows an example in which the present invention is applied to a video tape recorder. As shown in FIG. 1, this video tape recorder has a housing 1
The housing 1 accommodates various mechanical units and electronic circuit units. That is, this video tape recorder
As shown in FIGS. 3 to 5, a lower part of the housing 1 is provided with a cassette mounting part for mounting a tape cassette (not shown) and a loading mechanism for loading the tape cassette into the cassette mounting part.

The cassette mounting portion is formed on a chassis (not shown) provided in the housing 1. The chassis provided with the cassette mounting portion includes a tape feed mechanism for rotating the tape reel of the tape cassette to feed and operate the magnetic tape wound on the tape reel, and recording and / or recording information signals by sliding contact with the magnetic tape. Alternatively, a magnetic head device or the like for performing reproduction is provided.

The cassette mounting portion is provided with positioning pins for positioning the mounting position of the tape cassette mounted in the cassette mounting portion. The positioning pin is provided so as to be erected on the chassis, and engages with a positioning hole provided in the tape cassette to position a mounting position of the tape cassette with respect to a tape feeding mechanism, a magnetic head device, or the like. The tape cassette is positioned and mounted on the cassette mounting portion, so that a magnetic head device or the like enables recording and reproduction of information signals on the magnetic tape stored in the tape cassette.

The loading mechanism includes a cassette holder 7 which is a holder member for holding the tape cassette, and a cover plate 2 attached so as to cover the front side of the cassette holder 7. The cassette holder 7 is formed in a housing shape large enough to hold the tape cassette, and has a cassette insertion / removal opening for inserting / removing the tape cassette on one side, and the cassette insertion / removal opening is provided on the bottom side of the video tape recorder. It is disposed in the housing 1 for facing. The cassette holder 7 is provided with a motor, a motor, and the like, between a loading position shown in FIGS. 3 and 4 in which the tape cassette is transported to the cassette mounting position and an unloading position shown in FIG. The moving operation is performed by a driving mechanism (not shown) having a reduction gear, a cam, and the like.

The cover plate 2 is attached to the cassette holder 7 so that it is substantially flush with the front side of the housing 1 when the cassette holder 7 is at the loading position. The housing 1 is provided with an opening having a size corresponding to the cover plate 2 in a lower portion on the front side.

The cover plate 2 is supported by a front plate 8 of the cassette holder 7 through a pair of leaf springs 10, which are elastic members, as shown in FIGS. That is, the cover plate support member 15 is attached to the front plate 8. As shown in FIG. 6 and FIG. 7, the cover plate supporting member 15 is formed in a long plate shape by a thin elastic metal plate used as a spring material. It has been done. These leaf spring portions 10, 10
Is formed in a U-shape such that both end portions of the cover plate supporting member 15 bulge to one side of the cover plate support member 15. The cover plate supporting member 15 is formed integrally with each of the leaf spring portions 10, 10 by, for example, punching.

As shown in FIGS. 6 and 7, the cover supporting member 15 has a pair of screw insertion holes 19, 19 at positions corresponding to the base ends of the pair of leaf springs 10, 10, respectively. Have been. As shown in FIG. 2, the cover plate supporting member 15
A pair of set screws 22, 22 are inserted into the screw insertion holes 19, 19, and these set screws 22, 22 are screwed into a pair of screw holes formed in the front plate 8, thereby being attached to the front plate 8. You.

As shown in FIG.
As shown in FIG. 7, a pair of nut members 16, 16 are attached. These nut members 16, 16
It is formed in a cylindrical shape with a screw hole formed in the center.
These nut members 16, 16 are attached to the leaf spring portions 10, 10 with the screw holes facing forward of the video tape recorder. Boss portions 11, 11 are provided on the inner surface of the cover plate 2 facing the front plate 8 of the cassette holder 7, corresponding to the nut members 16, 16. And cover plate 2
The pair of mounting screws 21, 21 inserted into the screw bosses 11, 11 are screwed into the screw holes of the nut members 16, 16, so that they are supported on the distal ends of the leaf springs 10, 10. You.

As shown in FIGS. 6 and 7, a pair of plate spring displacement restricting members 9, 9 are attached to both ends of the cover plate supporting member 15, as shown in FIGS. These leaf spring displacement restricting members 9 are attached via caulking rings 20 so that their base ends are located near the base ends of the leaf spring portions 10 of the cover plate supporting member 15, respectively. These caulking rings 20 are provided by the leaf spring displacement regulating members 9.
Deformed to bulge around the through hole provided in the
It is formed by being inserted through a through hole provided in the cover plate support member 15 and further locked around the through hole of the cover plate support member 15. These leaf spring displacement restricting members 9, 9 have their tip sides directed to both end sides of the cover plate supporting members 15, 15.

Each of the leaf spring displacement restricting members 9, 9 has a through hole 17, 17 formed at the tip end thereof, through which a nut member 16, 16 can be inserted. As shown in FIGS. 6 and 7, these leaf spring displacement restricting members 9, 9 have bent portions 18, 1 in the middle.
8 are formed. Each leaf spring displacement regulating member 9, 9
By forming these bent portions 18, 18,
It is bent so as to have a step, and the front end portion is located on the front side of each leaf spring portion 10. That is, as shown in FIG. 7, each of the leaf spring portions 10, 10 is located behind the distal end portion of each of the leaf spring displacement restricting members 9, 9, and Nut member 16,
16 faces the front side.

The cover plate 2 is urged rearward in the direction of arrow B in FIG. 4 by the urging forces of the leaf spring portions 10, 10, and the tip ends of the screw boss portions 11, 11 are moved by the leaf spring displacement regulating members 9, 10. 9 is positioned in contact with the front side. When the cover plate 2 is moved to the front side against the urging force of the leaf spring portions 10, 10, the amount of movement is determined by the contact between the leaf spring portions 10, 10 and the leaf spring displacement regulating members 9, 9. Regulated by

As shown in FIGS. 3 and 4, a lid 3 serving as a lid regulating member is rotatably attached to the lower end of the housing 1. The lid 3 has a rear portion rotatably supported by the housing 1 so as to open and close the lower end of the housing 1. As shown in FIGS. 4 and 5, the lid 3 opens the lower end side of the housing 1 to open a cassette insertion opening provided in the cassette holder 7, and as shown in FIG. The cassette insertion opening is closed by closing the side. The lid 3 is provided on both sides on the rear side.
The housing 1 is rotatably supported by a pair of support shafts inserted between the housing 1 and the housing 1.

The lid 3 is provided with a locking mechanism for engaging with the housing 1 and locking the lid 3 in the closed state when the lid 3 is in the closed state. This locking mechanism includes the lid 3
By pressing the lock release button 5 provided on the
It is configured to release the engagement with the housing 1.

The upper surface of the front end of the lid 3 is
When the cassette holder 7 is moved to the loading position by closing the lower end side of the housing 1 as shown in FIG.
The support projection 13 is provided at a position facing the lower end of the support. At the lower end of the cover plate 2, as shown in FIGS. 3 and 4,
An engagement groove 12 into which the support projection 13 is inserted and engaged is formed corresponding to the support projection 13. In this engagement groove 12,
When the lid 3 is closed while the cassette holder 7 is at the loading position, the support projection 13 is engaged.

A plurality of operation buttons 6 are provided on the front side of the cover plate 2. These operation buttons 6 are used for switching and controlling the operation of various mechanisms and electronic circuits constituting the video tape recorder and selecting various operation modes, and are operated by these operation buttons 6. The switch is connected to an electronic circuit provided in the housing 1.
When the operation button 6 is operated, the video tape recorder performs various operations such as loading and unloading of a tape cassette, recording and reproduction of an information signal with respect to the tape cassette, and reception of a broadcast wave by a receiving circuit. A plurality of operation buttons (not shown) are also provided on the upper surface side of the lid 3, which is on the side toward the inside of the housing 1 when the lid is closed. Further, a speaker device is built in the lid 3.

A liquid crystal monitor 4 is attached to an upper portion on the front side of the housing 1. The LCD monitor device 4
This is a color image display device provided with a liquid crystal display (LCD), and displays images obtained by receiving broadcast radio waves and images reproduced from a tape cassette.

In the video tape recorder according to the present invention configured as described above, in order to insert and hold the tape cassette in the cassette holder 7, first, the lid 3 is opened as shown in FIG. Then, the drive mechanism is operated to move the cassette holder 7 in the direction of the unloading position indicated by the arrow A in FIG. When the cassette holder 7 is set at the unloading position, the cover plate 2 projects forward with respect to the housing 1.

When a tape cassette is inserted into the cassette holder 7 through the cassette insertion opening, the cassette holder 7 holds the tape cassette and is moved by a drive mechanism to convey the tape cassette to the loading position. When moved to the loading position, the cassette holder 7 loads the tape cassette to the cassette mounting portion.

As described above, when the tape cassette is loaded on the cassette mounting portion, that is, when the cassette holder 7 is moved to the loading position,
When the lid 3 is closed, the lid 3 engages the support projection 13 with the engagement groove 12. At this time, the support projection 13 is
Is moved to the front side against the urging force of each leaf spring portion 10, 10 and engaged with the engagement groove 12. Therefore, the cover plate 2 is engaged with the engagement groove 1 by the urging force of each of the leaf spring portions 10.
The front side inside 2 is pressed into contact with the support projection 13.

As described above, the cover plate 2 is supported by the lid 3 in a state where the inner portion of the engagement groove 12 is pressed against the support projection 13, and the front side of the cover plate 2 is pressed by the operation button 6 or the like. Even if more pressure is applied, it does not move with respect to the housing 1. Further, even if the cover plate 2 is moved to the front side, the cover plate 2 is not
0, the cover plate 2 does not move the cassette holder 7.

In the video tape recorder according to the present invention, even if pressure is applied to the housing 1 from the outside, the running of the magnetic tape is not hindered, and the relative replacement between the magnetic tape and the magnetic head device is performed. The relationship is maintained in a constant state, and good recording and reproduction of information signals are guaranteed. Further, in this video tape recorder, the housing 1 and the cover plate 2 are integrally combined, so that mechanical strength is guaranteed.

The present invention is applied not only to the above-described video tape recorder but also to a recording and / or reproducing apparatus provided with a holder member into which a recording medium such as a disk cassette is inserted and held. The same advantages as described above can be obtained.

[0038]

As described above, according to the present invention, when the holder member is moved to the loading position and the lid is turned to the position for closing the cassette insertion opening of the holder member, the cover plate is supported by the lid. Since the movement of the cover member is restricted, the cover plate can be prevented from being moved by the external force applied to the cover plate, and the force applied to the cover plate can be prevented from being directly applied to the holder member. In this manner, stable driving of the recording medium driven by the above can be realized, and good recording or reproduction of information signals can be performed.

Also, since the mechanical strength of the cover plate can be guaranteed, the operation buttons provided on the cover plate can be operated with a good operational feeling.

[Brief description of the drawings]

FIG. 1 is a front view showing a video tape recorder to which the present invention is applied.

FIG. 2 is a main part front view showing the vicinity of a cover plate constituting the video tape recorder.

FIG. 3 is a side view of a main part showing the vicinity of a cover plate constituting the video tape recorder.

FIG. 4 is a main part side view showing a state where a lid constituting the video tape recorder is opened.

FIG. 5 is a main part side view showing an unloading state of the video tape recorder.

FIG. 6 is a front view showing a cover plate supporting member constituting the video tape recorder.

FIG. 7 is a bottom view of the cover plate supporting member.

[Explanation of symbols]

2 cover plate, 3 lid, 6 operation button, 7 cassette holder, 10 leaf spring section, 12 engagement groove, 13
Support projection.

Claims (3)

(57) [Claims] A recording medium inserted therein, a holder member holding the recording medium and supported so as to be movable between a loading position and an unloading position, and an elastic member mounted to cover the holder member. a cover plate which is made elastically movable relative to the holder member through, the holder member moving operation over between the loading position and the unloading position, recorded held in the holder member A loading mechanism for loading the medium to the loading position, and when the holder member is at the loading position,
A lid rotatably attached to the apparatus main body so as to close the cassette loading / unloading opening of the holder member. The lid is configured such that the holder member is moved to the loading position and the cassette insertion / removal opening of the holder member is provided. A recording and / or reproducing apparatus which supports the above-mentioned cover plate when it is rotated to a position where it is closed. 2. A relative engagement between the lid and the cover plate when the holder member is moved to the loading position and rotated to a position for closing a cassette opening of the holder member. 2. The recording and / or reproducing apparatus according to claim 1, further comprising a supporting means for supporting said cover plate. 3. The recording and / or reproducing apparatus according to claim 1, wherein operation buttons are provided on the cover plate.