JPH08335352A - Disk tray provided with disk adapter - Google Patents

Abstract

PURPOSE: To obtain the disk tray provided with a disk adapter, which the attaching of the adapter to a small diameter disk is unrequired and also the custody of the adapter by removing it from the disk tray is unrequired when a large diameter disk is used. CONSTITUTION: When the large diameter disk is used, the disk is placed by moving auxiliary guides 3a-3c to the positions unprojected from the surface of a guide recessed part 2. When the small diameter disk D8 is used, the plural auxiliary guides 3a-3c are moved to the positions projected from the surface of the guide recessed part 2, then the disk D8 is placed inside the projected auxiliary guides 3a-3c.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disc tray on which a compact disc is placed and which is moved to a reproducing position or a recording position.

[0002]

2. Description of the Related Art A compact disc has an outer diameter of 12 cm.
There is a large-diameter disc and a small-diameter disc of 8 cm. In order to move the small-diameter disc to an appropriate reproducing position or recording position on the disc tray on which the large-diameter disc is placed, one of the following methods has been conventionally used.

In the case where an adapter is attached to a small-diameter disk to make it into the size of a large-diameter disk and it is placed on a disk tray for use. When installing a removable adapter to the disc tray and attaching this adapter to the disc tray when playing a small-diameter disc, as seen in Japanese Utility Model Publication No. 7-10893.

[0004]

When an adapter is attached to a small-diameter disk for use, it is troublesome because the adapter must be attached to each small-diameter disk to be used. On the other hand, when an adapter is attached to the disc tray for use, the small-diameter disc can be reproduced as it is. However, in this case, when using a large-diameter disc, it is necessary to remove the adapter from the disc tray and store it.

It is an object of the present invention to provide a disk tray with a disk adapter which does not require an adapter to be attached to a small diameter disk and which does not require the adapter to be removed from the disk tray for storage when using a large diameter disk. .

[0006]

A disk tray with a disk adapter according to claim 1 is a guide for holding a large-diameter disk in a central portion of a disk tray body on which a disk is placed and which is moved to a reproducing position or a recording position. A recess is provided, and a plurality of auxiliary guides that engage with the disc tray body and are slidable between a position projecting from the surface of the guide recess and a position not projecting and that holds the small-diameter disk in the central part at the projecting position are provided. It is characterized by

A disc tray with a disc adapter according to a second aspect of the present invention is the disc tray according to the first aspect, wherein a connecting portion for connecting the plurality of auxiliary guides is provided, and the plurality of auxiliary guides are interlocked with each other and protrude from the surface of the guide recess. It is characterized in that it is slid between a position and a position where it does not project.

According to a third aspect of the present invention, in the disc tray with the disc adapter according to the first aspect, the plurality of auxiliary guides are connected to each other by a connecting portion on the back side of the disc tray body.
The tip of the operation lever, the base end of which is connected to the connecting portion,
It is characterized in that it is extended to the surface side of the disc tray body.

A disc tray with a disc adapter according to a fourth aspect of the present invention is the disc tray body according to the second or third aspect, wherein a plurality of storage windows through which the respective auxiliary guides extend and retract are formed on the surface of the guide recess of the disc tray body. , On the back side of the disc tray body, there are a storage window for storing each auxiliary guide at a position that does not protrude from the surface of the guide recess, and a storage groove with a depth necessary to store the connection part that connects between each auxiliary guide. It is characterized by being formed.

[0010]

According to the structure of the first aspect, when the large-diameter disc is used, the plurality of auxiliary guides are moved to positions not projecting from the surface of the guide recess, and the large-diameter disc is placed in the guide recess. When using the small-diameter disc, the plurality of auxiliary guides are moved to positions projecting from the surface of the guide recess, and the small-diameter disc is placed inside the plurality of auxiliary guides projecting from the surface of the guide recess.

According to the second aspect of the present invention, when one of the plurality of auxiliary guides is slid, the other auxiliary guides are interlocked with each other through the connecting portion to slide. According to the structure of claim 3, when the tip of the operation lever extended to the front surface side of the disc tray main body is operated, the plurality of auxiliary guides connected at the connecting portion slide together.

According to the structure of claim 4, the auxiliary guides at the non-protruding positions and the connecting portions for connecting the auxiliary guides are respectively accommodated in the accommodation window and the accommodation groove on the back surface of the disc tray main body. Does not protrude from the back side of.

[0013]

Embodiments of the present invention will be described below with reference to FIGS. The case of a CD disc changer will be described as an example.

1 to 7 show a first embodiment. FIG. 1 shows one of a plurality of disc trays used in a stack.
A single disk is shown, and a guide recess 2 for holding the large-diameter disk D ₁₂ in the center of the disk tray body 1 is formed on the upper surface of the disk tray body 1.

The auxiliary guides 3a, 3b and 3c are shown in FIG.
Slidable in a position projecting from the surface of the guide recess 2 as shown in position and Figure 2 does not project from the surface of the guide recess 2 as shown in a central portion of the disc tray small-diameter disk D ₈ at a position the projecting Hold on.

A storage window 5 is formed in the disc tray body 1 at a position corresponding to each of the auxiliary guides 3a to 3c, in which an inclined surface 4 as shown in FIGS. 1 and 3 is formed on the surface side of the guide recess 2. ing.

As shown in FIG. 4, the auxiliary guides 3a to 3c are thin-walled, and are integrally formed by connecting with an annular connecting portion 6. On the back surface of the disc tray body 1, as shown in FIG. 5, a storage groove 7 for storing the annular connecting portion 6 is formed. Reference numeral 8 denotes an operation lever insertion hole, through which an operation lever 9 formed integrally with the connecting portion 6 is inserted.

Auxiliary guide 3 connected by an annular connecting portion 6.
As shown in FIG. 6, a to 3c are set in the storage groove 7 of the disc tray main body 1 and are held by the claws 10a, 10b, 10c and 10d of the disc tray main body 1 so as not to fall off.

When the large-diameter disk D ₁₂ is used in the disk tray thus constructed, the auxiliary guides 3a, 3b, 3c are set to a position where they do not project and then large as shown in FIGS. The radial disc is placed in the guide recess 2.

When using the small-diameter disk D ₈ , the tip 9a of the operating lever 9 is rotated in the direction of arrow A shown in FIG. 1, and the auxiliary guides 3a to 3c connected at the connecting portion 6 are connected.
Rotates to the state shown in FIG. 6, and the tips of the auxiliary guides 3a to 3c ride on the inclined surface 4 of the storage window 5 and project into the guide recess 2 as shown in FIGS. The small-diameter disk D ₈ as shown in FIG. 2 in this state the inside of the auxiliary guide 3a~3c is placed, the small-diameter disk D ₈ auxiliary guide 3a~
It is held at the center of the disc tray body 1 by 3c.

It should be noted that the connecting portion 6 is formed with a projecting portion 12 provided with elasticity by forming an elongated hole 11 in the vicinity of the base end portion of the operating lever 9, and the state shown in FIGS. Then, the protrusion 12 is formed on the back surface of the disc tray body 1 as shown in FIG.
Also, the connection portion 6 is configured to be click-stopped at an appropriate position by engaging with the recess 13a formed as shown in FIG. When the operating lever 9 is operated and switched as shown in FIGS. 1 and 3, the protrusion 12 is configured to engage with the recess 13b and click-stop the connection portion 6 at an appropriate position.

In this way, by simply switching the operating lever 9, the auxiliary guides 3a to 3c can be moved into and out of the guide recess 2 to selectively use the large-diameter disk D ₁₂ or the small-diameter disk D ₈ .

In this embodiment, as can be seen by comparing FIGS. 3 and 7, part of the connecting portion 6 is hidden by the disc tray body 1 when the large-diameter disc D ₁₂ is used, and the small-diameter disc D _{8 is used.}
When using, the specific mark B appears on the storage window 5.
Is engraved with the character "8" and is given a specific color as shown by hatching, and the auxiliary guides 3a to 3b are provided.
Is made clear so that it is clear that the small-diameter disc D ₈ is in use.

The position of the operation lever insertion hole 8 is set near the opening 14 into which the tip of the user's thumb is inserted when the large-diameter disk D ₁₂ is removed from the disk tray body 1. Opening 1 of the disc tray body 1
As compared with the case where the operation lever insertion hole 8 is formed in a place different from 4, the decrease in strength of the disc tray body 1 can be reduced.

The above-mentioned disc tray with the disc adapter is set in a CD disc changer in a state where a plurality of discs are stacked, and only the disc tray on which a desired compact disc is set is moved from the standby position to the reproduction position, and the disc is changed. The compact disc set on the tray is clamped and rotated for playback.

On the disc tray, auxiliary guides 3a to 3c,
Also, a connecting portion 6 for moving them together is assembled, but the storage window 5 and the storage groove 7 are formed in the disc tray body 1 so as not to project outside from the back surface of the disc tray body 1. Further, the claws 10a to 10d engaging with the connecting portion 6 are also housed inside the storage groove 7 so as not to project from the back surface of the disc tray body 1, so that the slidability of the connecting portion 6 is not deteriorated. The portion of the connecting portion 6 corresponding to the claws 10a to 10d is shown in FIG.
As shown in, shallow recesses 15a to 15d are formed.

Since the portion related to the disc adapter added to the disc tray main body 1 is configured so as not to project to the back surface of the disc tray main body 1, the disc tray main body is built even though the disc adapter is built in. This is an excellent configuration in which the thickness of No. 1 does not increase and the number of disc trays that can be stacked in a limited stacking space does not decrease.

FIG. 8 shows another embodiment in which the auxiliary guides 3a to 3c indicate that the small-diameter disk D ₈ is in use. In this embodiment, as shown in FIG. 8B, a part of the disc tray body 1 has a specific mark B of "8".
The letters "" are engraved and have a specific coloring as shown by hatching.

Specifically, FIG. 8A shows a state in which the large-diameter disc D ₁₂ is used, and in this state, the specific mark B on the disc tray body 1 is hidden by the operating lever 9.
When the operating lever 9 is rotated in the direction of arrow A to switch to the use state of the small-diameter disk D ₈ as shown in FIG. 8B, the specific mark B hidden by the operating lever 9 appears and the auxiliary guide 3a~3b appears that has become state of use of the small-diameter disk D _8, the user remains auxiliary guide 3a~3b is in use of the small-diameter disk D ₈ is not erroneously set a large-diameter disk D ₁₂ Is considered as.

[0030]

According to the first aspect of the invention, a plurality of auxiliary members for holding the small-diameter disc in the central portion of the disc tray main body are slidable between a position protruding from the surface of the guide recess and a position not protruding. Since the guide is provided, the small-diameter disk can be conveyed to an appropriate recording / reproducing position simply by switching the auxiliary guide. Also, it is not necessary to store the disk adapter separately from the disk tray body.

According to the structure of claim 2, since the auxiliary guides of claim 1 are connected by the connecting portion, the plurality of auxiliary guides are interlocked to switch between the use state of the large diameter disc and the use state of the small diameter disc. It is possible to expect improvement in operability.

According to the third aspect of the present invention, the plurality of auxiliary guides of the first aspect are connected to each other on the back side of the disc tray main body by the connecting portion, and the operating lever of the operation lever having the base end connected to the connecting portion. Since the tip is extended to the surface side of the disc tray body, it is possible to switch between the use state of the large diameter disc and the use state of the small diameter disc by linking multiple auxiliary guides, and switch without turning the disc tray body upside down. It can be operated, and improvement in operability can be expected.

According to the structure of claim 4, in claim 2 and claim 3, a plurality of storage windows through which the respective auxiliary guides extend and retract are formed in the surface of the guide recess of the disc tray main body.
On the back side of the disc tray body, a storage window for storing each auxiliary guide at a position that does not protrude from the surface of the guide recess, and a storage groove with a depth necessary to store the connection part that connects between the auxiliary guides are formed. Therefore, even though the disc adapter is built into the disc tray body, there is no protruding part on the back side of the disc tray body, and even if the disc adapter is built in, there is no increase in the thickness of the disc tray body. The excellent structure does not reduce the number of disc trays that can be stacked in a limited stacking space.

[Brief description of drawings]

FIG. 1 is a perspective view when a large-diameter disc is set on a disc tray of the present invention.

FIG. 2 is a perspective view of a small-diameter disc set in the disc tray of the embodiment.

FIG. 3 is an enlarged perspective view of the vicinity of an auxiliary guide when a large-diameter disc is set on the disc tray of the embodiment.

FIG. 4 is a perspective view of a molded product of the auxiliary guide and the connecting portion of the embodiment.

FIG. 5 is a rear view of the disc tray of the embodiment with the molded product shown in FIG. 4 removed.

FIG. 6 is a rear view of the disc tray of the embodiment.

FIG. 7 is an enlarged perspective view of the vicinity of an auxiliary guide when setting a small-diameter disc on the disc tray of the embodiment.

FIG. 8 is an enlarged perspective view of the vicinity of an operation lever when a large-diameter disc is set and a small-diameter disc is set on a disc tray of another embodiment.

[Explanation of symbols]

1 Disc Tray Main Body D ₁₂ Large Diameter Disc 2 Guide Recess D ₈ Small Diameter Disc 3a to 3c Auxiliary Guide 4 Inclined Surface 5 Storage Window 6 Connection Part 7 Storage Groove 8 Operation Lever Insertion Hole 9 Operation Lever 10a, 10b, 10c, 10d Claw 11 Hole 12 Projection 13a Recess 14 Opening

Claims (4)

[Claims] 1. A disc tray main body on which a disc is placed and moved to a reproducing position or a recording position is provided with a guide concave portion for holding a large-diameter disc in a central portion, and the guide concave portion is engaged with the disc tray main body. A disc tray with a disc adapter, which is slidable between a position projecting from a surface and a position not projecting and provided with a plurality of auxiliary guides for holding a small-diameter disc in the central portion at the projecting position. 2. The disk according to claim 1, further comprising a connecting portion for connecting between the plurality of auxiliary guides, wherein the plurality of auxiliary guides are interlocked and slid between a position projecting from the surface of the guide recess and a position not projecting. Disc tray with adapter. 3. A plurality of auxiliary guides are connected by a connecting portion on the back side of the disc tray main body, and the tip of an operating lever whose base end is connected to the connecting portion is attached to the front side of the disc tray main body. The disc tray with a disc adapter according to claim 1, which is extended. 4. A plurality of storage windows through which the respective auxiliary guides extend and retract are formed on the surface of the guide recess of the disc tray body,
On the back side of the disc tray body, a storage window for storing each auxiliary guide at a position that does not protrude from the surface of the guide recess, and a storage groove with a depth necessary to store the connection part that connects between the auxiliary guides are formed. The disc tray with the disc adapter according to claim 2 or 3.