JP3137761B2 - Movable display of magnetic tape unit - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display provided on a magnetic tape device used as an external recording device of a computer system and displaying the status of the magnetic tape device to an operator.

[0002]

2. Description of the Related Art In a conventional magnetic tape device, a display is provided on a ceiling portion of the magnetic tape device, and the display is configured to be movable only in a horizontal direction.

[0003]

In recent years, with the increase in storage capacity of magnetic tape devices, the size of the device itself has been increased, and the height of the conventional device has been about 1 m. It is getting higher at 1.7m.

Therefore, even if the conventional display is provided on the ceiling of a large-sized magnetic tape device, it cannot be seen by an operator. The present invention has been made in view of the above problems, and an object of the present invention is to provide a movable display of a magnetic tape device that is easily visible to an operator.

[0005]

According to a first aspect of the present invention, there is provided a magnetic tape device, comprising: a movable display for displaying the status of the magnetic tape device to an operator; A base portion provided on the tape device, a rotating portion rotatably provided with respect to the base portion, and a base end portion rotatably provided on the rotating portion in a plane orthogonal to a rotation plane of the rotating portion. Arm portion, a display portion rotatably provided at a distal end portion of the arm portion in a plane parallel to the rotation plane of the arm portion, and a first stopper for inhibiting free rotation of the rotation portion And an urging mechanism for urging the arm part upward, and a second stopper part for inhibiting the arm part from rotating vertically.

According to a second aspect of the present invention, there is provided the second stopper mechanism according to the first aspect of the present invention, wherein a base end portion is rotatably provided on the rotating portion, and a distal end portion is inserted into the arm portion. And a lock plate provided along the axial direction in the arm portion and having a plurality of grooves formed thereon, and a distal end portion of the arm pressed against a surface of the lock plate having the grooves formed therein. And a stopper spring that can be engaged with the groove.

Finally, the invention according to claim 3 is based on claim 1.
Alternatively, the urging mechanism in the invention described in (2) urges a tip portion of the arm in the direction of the rotating portion.

[0008]

In the movable display of the magnetic tape device according to the first aspect of the present invention, when a force greater than the stopper force of the first stopper is applied to the rotating part, the first stopper is released, and the rotating part is released. It becomes rotatable with respect to the base portion, rotates to a desired position where the operator can easily see it, the first stopper portion acts again, and rotation is prohibited.

Next, when a force greater than the stopper force of the second stopper is applied to the arm, the stopper is released from the second stopper and the arm is urged upward by the urging mechanism. Becomes By rotating the arm portion against the biasing force of the biasing mechanism, the arm portion is rotated to a desired position which is easily visible to the operator, the second stopper portion acts again, and the rotation is inhibited.

According to the second aspect of the present invention, when the stopper spring is engaged with the groove of the lock plate, the stopper spring is brought into a stopper state, and the stopper spring is disengaged with the groove of the lock plate. Then, the stopper is released.

According to a third aspect of the present invention, the urging mechanism urges the distal end of the arm toward the base end of the arm and urges the arm upward.

[0012]

Next, an embodiment of the present invention will be described with reference to the drawings. 1 is an overall side view illustrating an embodiment of the present invention, FIG. 2 is a plan view of FIG. 1, FIG. 3 is a view illustrating an internal structure of FIG. 1, FIG. 4 is an exploded view of FIG. FIG.
6, FIG. 6 is a plan view illustrating the base part in FIG. 5, FIG. 7 is a partial cross-sectional view of the left side in FIG. 6, FIG. 8 is a partial cross-sectional view of the left side in FIG. FIG. 9 is an enlarged view of the positioning pin in FIG.
3 is an explanatory view of a second stopper mechanism in FIG. 3, FIG. 11 is a sectional view taken along line AA in FIG. 2, FIG. 12 is a front view of a magnetic tape device provided with a movable display mechanism of the present embodiment, and FIG. 12 is a side view, and FIG. 14 is a top view in FIG.

First, a magnetic tape device provided with the present embodiment will be described with reference to FIGS. In these figures, reference numeral 1 denotes a magnetic tape device provided with four recording / reproducing units. The movable display 2 of this embodiment is provided on the top surface 1a of the magnetic tape device 1.

Next, the movable display of this embodiment will be described with reference to FIGS. First, in FIG. 1 and FIG.
Is fitted into the inner cylindrical portion of a substantially annular base portion 4 (not shown in FIG. 1) provided on the top surface 1a of the magnetic tape device 1 so as to be rotatable in the horizontal direction with respect to the base portion 4. The cylindrical rotary part 5 is provided with an arm part whose base end is rotatable in a direction perpendicular to the rotation plane of the rotary part 3 (vertical direction in this embodiment), and 6 is a tip part of the arm part 5. The display unit is provided so as to be rotatable in a plane parallel to the rotation plane of the arm unit 5 (vertical direction in this embodiment).

Next, the structure around the rotating part will be described with reference to FIGS. The inner peripheral surface of the annular base portion 4 has 3
A hole 7 is drilled at a location (120 ° pitch),
Are provided.

As shown in FIG. 9, the first stopper portion 8 has a hollow cylindrical shape, a holder 9 having a hole 9a formed in one end surface, and a first stopper portion 8 disposed in the cylindrical surface of the holder 9. , Hole 9
a) a dome-shaped pin 10 that can protrude to the outside of the holder 9 via a, and a spring 11 that is disposed in the cylindrical surface of the holder 9 and urges the pin 10 in a direction protruding from the hole 9 a of the holder 9. It is configured.

As shown in FIG. 8, a single groove 11 is formed in the outer cylindrical surface of the rotating portion 3 along the circumferential direction with which the tip of the pin 10 of the first stopper portion 8 slides. Further, the pin 10 of the first stopper mechanism 8 is
Are formed with a plurality of holes 12 into which holes can be fitted.

Reference numeral 13 denotes a screw which is provided on the base 4 at the base end.
The tip is a stopper that engages with a flange 3a formed at the lower part of the rotating part 3 to prevent the rotating part 3 from coming off. In this embodiment, the stopper 13
Are provided at three locations (120 ° pitch) (see FIG. 6).

In this manner, the rotating portion 3 can rotate with respect to the base portion 4, and when the pin 10 of the first stopper portion 8 is fitted in the hole 12 of the groove 11, the rotating portion 3 can rotate. 3 is prohibited, and positioning is performed. When a force equal to or greater than the urging force of the spring 11 is applied to the rotating portion 3, the pin 10 separates from the hole 12, and the rotating portion becomes rotatable again.

Next, referring to FIG.
A description will be given of the attachment. On the upper surface of the rotating section 3, two blocks 14, 15 are arranged side by side with an interval. On the opposing surfaces of these blocks 14 and 15, a cylindrical projection 1 is provided.
4a and 15a are formed. On the other hand, a through-hole 16a into which cylindrical projections 14a and 15a can be fitted is formed in the block 16 which is a component at the base end of the arm portion 5. When the projections 14a and 15a are fitted into the through holes 16a, the arm unit 5 can rotate vertically with respect to the rotating unit 3.

Next, the arm 5 will be described with reference to FIGS. 3, 4, 10 and 11. FIG. The middle part of the arm 5
An upper arm 20 having a U-shaped cross section and a lower arm 21 also having a lower U-shaped cross section forming a hollow rectangular tube shape. The base end is the block 16 described above and the distal end is a block 22.

A notch 23 is formed in the bottom surface of the lower arm 21 along the longitudinal direction. Also, lower arm 2
1 has two L-shaped lock plates 2
4, 25 are juxtaposed along the longitudinal direction. A plurality of lock grooves 24a, 25a (the lock grooves 25a are not shown) are formed in the upper end surfaces of the lock plates 24, 25.

Reference numeral 26 denotes a block whose base end is the rotary unit 3,
Screws 28,
The arm is rotatably attached using a nut 29. An intermediate portion of the arm 26 is inserted through the cutout groove 23 of the lower arm 21, and a distal end portion is inserted into the arm portion 5. A screw 3 is attached to the tip of the arm 26.
A slider 32 is rotatably mounted using a nut 31.

On the lower surface side of the slider 32, grooves 32a and 32b are formed which can be engaged with the lock plates 24 and 25. Grooves 32c, 32d that are substantially perpendicular to the grooves 32a, 32b are formed on the upper surfaces of the lock plates 24, 25. The grooves 32c and 32d (the grooves 32d are not shown) have a V-shaped cross section and
Stopper springs 33, 34 that can be engaged with the lock grooves 24a, 25a of the 4, 25 are provided. Reference numeral 35 denotes a plate for preventing the stopper springs 33, 34 from being detached from the slider 32.

In the lower arm 21, one end as an urging mechanism contacts the block 22, the other end contacts the slider 32, and the slider 32 (the distal end of the arm 26) is moved in the direction of the rotating part 3 Springs 36 and 37 are provided to urge the springs.

A partition plate 38 for the lower arm 21 and the upper arm 20 is provided. Next, attachment of the arm unit 5 and the display unit 6 will be described with reference to FIG. Display 6
A block 40 having a through hole 40a formed on the back side of
Is attached. On the other hand, a through-hole 22a facing the through-hole 40a is also formed in the block 22 provided at the distal end of the arm portion 5, and these two through-holes 22a, 4
The knob 41 is inserted into 0a. On the tip side of the knob 41, a male thread portion 41a is threaded.

Further, between the opposing surfaces of the block 22 and the block 40, one end is locked to the block 22, and the other end is locked to the block 40, and the display unit 6 is set at a predetermined angle with respect to the arm unit 5. Is disposed.

Reference numeral 44 denotes a knob receiver which is screwed into the external thread portion 41a of the knob 41, and reference numeral 45 denotes a Belleville spring which prevents the knob receiver 44 from being loosened. Next, the operation of the above configuration will be described. First, when changing the horizontal position of the display unit 6, when a force greater than the urging force of the spring 11 of the first stopper mechanism 8 is applied, the pin 10 separates from the hole 12 of the rotating unit 3 and rotates. The part 3 is rotatable with respect to the base part 4. Then, when the force is further applied to rotate the rotation unit to a desired position where the operator can easily see the rotation, the first stopper mechanism 87 operates again, and the rotation of the rotating unit 3 is prohibited.

Next, when changing the height of the display section 6,
An upward (or downward) force is applied to the display unit 6. Then, the stopper spring 33 of the second stopper mechanism,
34 is a lock groove 24a, 25 of the lock plate 24, 25.
The arm portion 5 is released from the position a and is urged upward by the springs 36 and 37 as the urging mechanism.
The arm portion 5 against the urging force of the springs 36 and 37
By rotating further upward (or downward),
The operator rotates to a desired position that is easy for the operator to see, and again, the springs 36 and 37 are moved to the lock plates 24 and 25.
, And the rotation of the arm 5 is prohibited.

Next, when changing the angle of the display section 6 with respect to the arm section 5, the knob 41 is loosened. Then
The display unit 6 becomes rotatable with respect to the arm unit 5,
Rotate to a position where the operator can easily see it. When the knob 41 is tightened, the rotation of the display unit 6 with respect to the arm unit 5 is prohibited.

According to the above configuration, it is possible to position the display unit 6 at a position where the operator can easily see it with a simple configuration.

[0032]

As described above, according to the present invention, it is possible to realize a movable display of a magnetic tape device that is easily visible to an operator.

[Brief description of the drawings]

FIG. 1 is an overall side view illustrating an embodiment of the present invention.

FIG. 2 is a plan view of FIG.

FIG. 3 is a diagram illustrating an internal structure in FIG. 1;

FIG. 4 is an exploded view of FIG.

FIG. 5 is a plan view illustrating a first rotating unit in FIG. 1;

FIG. 6 is a plan view illustrating a base unit in FIG. 5;

FIG. 7 is a partial sectional view on the left side in FIG. 6;

8 is a partial cross-sectional view of the left side surface in FIG.

FIG. 9 is an enlarged view of a positioning pin in FIG. 7;

FIG. 10 is an explanatory diagram of a second stopper mechanism in FIG. 3;

FIG. 11 is a sectional view taken along the line AA in FIG. 2;

FIG. 12 is a front view of a magnetic tape device provided with a movable display mechanism according to the present embodiment.

FIG. 13 is a side view of FIG.

FIG. 14 is a top view of FIG.

[Explanation of symbols]

 Reference Signs List 3 rotating part 4 base part 5 arm part 6 display part 8 first stopper mechanism 36, 37 urging mechanism

Claims (3)

(57) [Claims] 1. A movable display provided on a magnetic tape device (1) for displaying the status of the magnetic tape device (1) to an operator, comprising: a base portion provided on the magnetic tape device (1); 4)
A rotating part (3) rotatably provided with respect to the base part (4); and a base end of the rotating part (3) in a plane orthogonal to a rotation plane of the rotating part (3). An arm (5) rotatably provided at the end; and a display (6) provided at the tip of the arm (5) so as to be rotatable in a plane parallel to the rotation plane of the arm (5). ), A first stopper portion (8) for inhibiting free rotation of the rotating portion (3), and an urging mechanism (3) for urging the arm portion (5) upward.
6, 37) and a second stopper portion for inhibiting the arm portion (5) from rotating in the vertical direction. A movable display device for a magnetic tape device, comprising: 2. The second stopper mechanism, wherein a base end portion is rotatably provided on the rotating portion, and a distal end portion is provided along the axial direction in the arm portion, and an arm inserted into the arm portion. A lock plate having a plurality of grooves formed therein, and a stopper spring provided at the tip end of the arm so as to press against the surface of the lock plate having the grooves formed therein and capable of engaging with the grooves. The movable indicator of the magnetic tape device according to claim 1, wherein the movable indicator is configured. 3. The movable indicator of a magnetic tape device according to claim 1, wherein the urging mechanism urges a tip portion of the arm in a direction of the rotating portion.