JP3055247U - Disk autochanger - Google Patents

Abstract

(57) [Summary] [Configuration] When the rear arm installed in the loading mechanism of the disk autochanger goes to pick up the small-diameter disk arrayed on the disk array table, the chamfered part provided on the rear arm changes to the small-diameter disk. In order to move along the outer circumference of a large-diameter disk which is arranged to be inclined to the adjacent small-diameter disk, the large-diameter disk is pushed and spread. Therefore, the rear arm can surely move to the peripheral side surface of the small-diameter disk, and thus can sandwich the small-diameter disk. [Effect] When the rear arm goes to pick up a small-diameter disc, the large-diameter disc does not get in the way, so the small-diameter disc can be reliably loaded by the forearm and the rear arm, and the small-diameter disc does not fall into the set. .

Description

[Detailed description of the invention]

[0001]

[Industrial applications]

 The present invention relates to a disc autochanger, and more particularly to a disc autochanger having, for example, a pair of rear arm and forearm for holding a disc.

[0002]

[Prior art]

 A conventional disk autochanger of this type is disclosed in Japanese Patent Application Laid-Open No. 9-282770 [G11B 17/28] filed on Apr. 17, 1996. This prior art has a pair of forearms and a rear arm for holding a disk, and the rear arm and the forearm elastically sandwich and lock the peripheral edge of the disk from both sides to a disk locking frame provided at the distal end. Disk locking piece. By sandwiching the disk between the pair of rear and forearms, the disk is transferred from the disk array stand to the player body in an upright state.

[0003]

[Problems to be solved by the invention]

 However, in the prior art, when the rear arm goes to pick up the small-diameter disk in a state where the small-diameter disk and the large-diameter disk are arranged side by side on the disk array table, the rear arm tip is inclined toward the small-diameter disk. There is a problem that the small-diameter disc is dropped into the set by the forearm by being caught on the peripheral end surface of the large-diameter disc.

[0004] Therefore, a main object of the present invention is to provide a disk autochanger capable of reliably loading a disk even when a large-diameter disk and a small-diameter disk are arranged side by side on a disk array table. It is.

[0005]

[Means for Solving the Problems]

 In this invention, a disk arranged on a disk array table is provided with a forearm and a rear arm for holding the disk peripheral side at different positions and moving the disk to a chucking position, and the rear arm receives the disk peripheral side. A disc autochanger having a groove, wherein an outer surface of the groove is chamfered.

[0006]

[Action]

 When the rear arm goes to pick up the small-diameter disc, the chamfered part provided on the rear arm moves along the outer circumference of the large-diameter disc that is inclined to the small-diameter disc side. Therefore, the rear arm can move to the peripheral side surface of the small-diameter disk without fail, and can sandwich the small-diameter disk.

[0007]

[Effect of the invention]

 According to this invention, when the rear arm goes to pick up the small-diameter disk, the large-diameter disk does not get in the way, so the small-diameter disk can be reliably loaded by the forearm and the rear arm, and the small-diameter disk falls into the set. Never do. The above and other objects, features and advantages of the present invention will become more apparent from the following detailed description of embodiments with reference to the drawings.

[0008]

【Example】

 The disk autochanger 10 of the embodiment shown in FIG. 1 includes a disk array table 12 for arranging a large number of large-diameter disks D1 and small-diameter disks D2 in series at a predetermined interval. The vehicle further includes a carriage 14 that reciprocates along the direction in which the disks are arranged.

The carriage 14 has a loading mechanism 16 for holding a predetermined disk D1 or D2 on the disk array table 12 and pulling the disk D onto the carriage 14, and the disk D1 or D2 pulled onto the carriage 14 is mounted on the player body. And a cam 20 for driving the loading mechanism 16 and the disc mounting mechanism 18 are provided.

The disk mounting mechanism 18 includes a frame 22 and a disk mounting portion 24 rotatably mounted on the frame 22. The frame 22 has a player body (not shown) provided with a turntable, an optical pickup, and the like. The disk mounting portion 24 is provided with a disk pressing member 26 that can be fitted to and removed from the turntable of the frame 22.

As shown in FIG. 2, the loading mechanism 16 includes a rear arm 32 rotatably supported by the carriage 14 via a pivot shaft 30 at a base angle of about 90 ° with respect to each other. And a pair of connecting rods 40 and 42 connected to the rear ends of the rear arm 32 and the forearm 34 via gear mechanisms 36 and 38, respectively. The rear ends of the connecting rods 40 and 42 are engaged with the cam 20, respectively. The connecting rod 40 connected to the rear arm 32 is provided with a spring 44 for urging the connecting rod 40 forward, and the connecting rod 42 of the forearm 34 is provided with a spring 46 for urging the connecting rod 42 rearward.

As shown in detail in FIG. 3, the rear arm 32 includes a disk holding groove 48, and the disk holding groove 48 is provided on the base end side of the rear arm 32 for holding the small-diameter disk D 2. 50, a small-diameter disk second holding portion 52 for holding the small-diameter disk D2 on the tip end side of the rear arm 32, and a large-diameter disk D1 held between the small-diameter disk first holding portion 50 and the small-diameter disk second holding portion 52. And a large-diameter disk holding portion 54 to be used. That is, the small-diameter disk first holding portion 50 and the small-diameter disk second holding portion 52 are connected to each other with the large-diameter disk holding portion 54 interposed therebetween, and form a single holding groove as a whole.

The small-diameter disk first holding portion 50 is for temporarily holding the small-diameter disks D2 arranged in series on the disk array table 12, and is temporarily held by the first holding portion 50. When the small-diameter disk D2 held in the above is subsequently loaded on the player body (not shown), the small-diameter disk D2 is pushed by the forearm 30 so that the center hole trajectory of the large-diameter disk D1 and the small-diameter disk D2 becomes the same. It is moved and held by the small-diameter disk second holding section 52.

However, a rear arm in which the large-diameter disk D1 and the small-diameter disk D2 are sandwiched by one common groove may be used. As shown in FIG. 4, chamfered portions 58 and 60 are formed on both outer surfaces of the distal end of the small-diameter disk second holding portion 52 in the frame 56 forming the disk holding groove 48 of the rear arm 32, respectively. I have. In other words, the frame 56 at the distal end of the rear arm 32, when there are no chamfered portions 58 and 60, is usually as shown by a dotted line in FIG. On the other hand, in this embodiment, chamfers 58 and 60 are formed on both sides of the frame 56. Therefore, according to this embodiment, as will be described later, it is possible to avoid the problem that the dotted line in FIG. 4 is caught on the adjacent disk and the rear arm 32 cannot normally hold the small-diameter disk D2.

When loading the small-diameter disk D2 with the disk changer 10, first, the rear arm 32 and the forearm 34 are held in a state of being separated from the large-diameter disk D1 and the small-diameter disk D2, and the bogie 12 is designated to have the specified small-diameter. Move before disk D2. Then, by moving the connecting rods 40 and 42 by the cam 20, the rear arm 32 and the forearm 34 are rotated to clamp the small-diameter disk D2. The clamped small-diameter disk D2 is delivered to the disk mounting mechanism 18 by the rear arm 32 and the forearm 34 rotated by the cam 20.

At this time, the small-diameter disk D 2 is first locked by the small-diameter disk first holding portion 50 of the rear arm 32, and the small-diameter disk D 2 is moved by the forearm 34 as the rear arm 32 rotates. The disk is pushed up from the holding part 50 to the small-diameter disk second holding part 52. The small-diameter disk D2 is concentrically aligned with the center of the large-diameter disk D1 by being sandwiched between the small-diameter disk second holding portion 52 and the forearm 34. That is, the small-diameter disk D2 is also delivered to the disk mounting mechanism 18 in the same state as the large-diameter disk D1.

When loading the large-diameter disc D 1, the large-diameter disc D 1 is transferred to the disc mounting mechanism 18 while being sandwiched between the large-diameter holding portion 54 of the rear arm 32 and the forearm 34. When the rear arm 32 goes to the disk array table 12 to pick up the small-diameter disk D2 arranged adjacent to the large-diameter disk D1, the chamfered portion formed on the outer surface of the distal end of the small-diameter disk second holding portion 52 58 and 60 push the large-diameter disk D1, which is adjacent to the small-diameter disk D2 and is inclined toward the small-diameter disk D2, along the outer periphery. Thus, the rear arm 32 can reach the peripheral side surface of the small-diameter disk D2 without being caught by the peripheral end surface of the large-diameter disk D1. Further, since the chamfered portions 58 and 60 are spread along the outer periphery of the large-diameter disk D1, the recording surface of the large-diameter disk D1 is not damaged.

[Brief description of the drawings]

FIG. 1 is an illustrative view showing one embodiment of the present invention;

FIG. 2 is an illustrative view showing a loading mechanism applied to the embodiment in FIG. 1;

FIG. 3 is an enlarged view showing a rear arm of a loading mechanism.

FIG. 4 is an illustrative view showing an end face of a rear arm;

[Explanation of symbols]

 32 ... rear arm 48 ... disk holding groove 50 ... small diameter disk first holding part 52 ... small diameter disk second holding part 54 ... large diameter disk holding part 58 ... chamfered part 60 ... chamfered part

Claims (7)

[Utility model registration claims] 1. A forearm and a rear arm for holding a disk peripheral side surface of disks arranged in series on a disk array table at different positions and moving the disk to a chucking position, wherein the rear arm is provided with the disk A disk autochanger having a groove for receiving a peripheral side surface, wherein an outer surface of the groove is chamfered. 2. The disc autochanger according to claim 1, wherein said chamfer is formed in a part of a length of said groove. 3. The chamfer is formed at a tip of the groove.
The disk autochanger according to claim 2. 4. The disk autochanger according to claim 1, wherein said chamfer is formed on one outer surface of said groove. 5. A disk autochanger according to claim 1, wherein said chamfer is formed on both outer surfaces of said groove. 6. The disk autochanger according to claim 1, wherein each of said grooves has a small-diameter disk first holding portion and a small-diameter disk second holding portion for holding a small-diameter disk. 7. The groove is formed so that the small-diameter disk first holding portion and the small-diameter disk second holding portion are continuous with a large-diameter disk holding portion for holding a large-diameter disk interposed therebetween. Disc autochanger as described.