JPH0589627A - Single cd adapter - Google Patents

Abstract

PURPOSE:To provide a single CD adapter with which single CD exchanging work can be easily performed without pulling out a CD magazine completely. CONSTITUTION:This single CD adapter is mounted in a CD magazine for multi-CD players from a CD exit/entrance and locked in multiple stages in the pulling out direction. Mounting sections l3a and l3b which are opened at part of the outer periphery of the adapter and can mount and remove a signal CD 12 in the radial direction are provided at positions deviated on the CD exit/entrance side.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a CD magazine for a multi-CD player in which a plurality of compact discs (hereinafter referred to as "CDs") are loaded, and a single CD adapter having a diameter of 8 cm can be commonly loaded. Regarding

[0002]

2. Description of the Related Art In recent years, as a car component, a multi-CD player capable of arbitrarily selecting a plurality of CDs for continuous performance is becoming popular. In such a multi-CD player, a CD magazine loaded with a plurality of CDs in advance is used. For example, as shown in FIG.
The magazine a is inserted into the inside from a magazine insertion port c provided in the multi-CD player b, and in that state, a CD is inserted into and removed from a CD entrance d opened on the peripheral surface of the CD magazine a.

Here, the CD magazine a can be loaded with, for example, six standard size CDs each having a diameter of 12 cm, and holds the outer peripheral portion of the loaded CD from the left and right direction and locks it in the pull-out direction. Each CD is equipped with a click spring and an eject arm that pushes out the outer periphery of the CD against the click spring, and a single CD with a diameter of 8 cm can be loaded by attaching it to a single CD adapter. There is.

[0004]

By the way, the single C
What is conventionally known as a D adapter is a standard size C
Similar to D, it has a disk shape having a diameter of 12 cm, and a single CD having a diameter of 8 cm is fitted and mounted in the central portion thereof. Therefore, in order to insert and remove the single CD into and from the single CD adapter, it is necessary to completely pull out the single CD adapter from the CD magazine a, and there is a problem that workability is extremely poor.

Further, since the conventional single CD adapter is loaded to the reproducing device side of the multi-CD player by a feed rubber roller or the like with the single CD still mounted, the single CD is dropped at this time, resulting in defective reproduction. However, this is also a problem.

SUMMARY OF THE INVENTION It is therefore an object of the present invention to provide a single CD adapter which can be easily replaced with a single CD without being completely pulled out from a CD magazine and which is free from the possibility of defective reproduction of the single CD.

[0007]

To this end, a single CD adapter according to the present invention is a single CD adapter which is loaded into a CD magazine for a multi-CD player from a CD slot and locked in the pulling direction. The means is to provide a mounting portion, which is opened in a part of the outer periphery thereof and allows a single CD to be attached and detached in the radial direction, at a position biased to the CD inlet / outlet side.

[0008]

By adopting such means, the mounting portion provided with an opening at a part of the outer periphery of the single CD adapter is biased toward the CD entrance / exit side when the single CD adapter is loaded in the CD magazine. Therefore, if this single CD adapter is slightly pulled out and locked, the single CD can be attached to and detached from the mounting portion in the radial direction. That is, the single CD can be attached / detached to / from the mounting portion without completely pulling out the single CD adapter from the CD magazine, so that the single CD can be replaced easily.

Further, the single CD adapter loaded in the CD magazine and locked in the pull-out direction is a single CD adapter.
Is facing the CD entrance / exit side of the CD magazine, so only a single CD is a multi-CD when playing a single CD.
It is loaded into the player's playback device side,
Reliable reproduction can be expected.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be specifically described below with reference to the accompanying drawings. FIG. 2 shows a schematic configuration of a CD magazine 1 to which a single CD adapter according to an embodiment is applied and a multi-CD player 2 in which the CD magazine 1 is used. The CD magazine 1 is a substantially square one having a predetermined thickness, and a CD having a plurality of slits on one circumferential surface thereof.
A doorway 3 is provided, for example, a total of 6 via each slit.
A piece of 12 cm standard size CD4 is inserted and removed in the direction of the arrow. And the CD loaded inside
Six eject arms 5 corresponding to the respective CDs 4 are provided on the peripheral wall surface 1a adjacent to the left side of the CD inlet / outlet 3 so as to push out the CDs 4. Also, the CD loaded inside
4 so that the presence or absence of 4 can be confirmed, the peripheral wall surface 1b adjacent to the right side of the CD doorway 3 and the peripheral wall surface 1 on the opposite side of the CD doorway 3
CD confirmation windows 6 and 7 in which transparent plates are fitted are provided in c.

As shown in FIG. 3, the CD magazine 1 is provided with a first guide groove 8 and a second guide groove 9 on its lower surface 1d and a third guide groove on the peripheral wall surface 1b. The groove 10 is formed. These guide grooves 8, 9, 1
Reference numeral 0 denotes a first guide groove having a predetermined width and depth that can be selectively engaged with the respective guide pins of various types of multi-CD players having different insertion directions of the CD magazine 1. 8 extends along the CD loading / unloading direction with the CD loading / unloading port 3 side as an open end. Further, the second guide groove 9 is provided on the peripheral wall surface 1a adjacent to the left side of the CD entrance / exit 3.
The side is an opening end and extends orthogonally to the first guide groove 8. Further, the third guide groove 10 extends in the up-down direction so as to be orthogonal to both the guide grooves 8 and 9. In addition,
The first guide groove 8 and the second guide groove 9 are the CD magazine 1 so that either the first guide groove 8 or the second guide groove 9 selectively engages with the guide pin of the multi-CD player. The positions of the lower surface 1d in the width direction are different from each other.

FIG. 4 shows the internal structure of the CD magazine 1. A pair of click springs 11, 11 are installed on the left and right in the vicinity of the CD entrance / exit 3. The CD 4 pushed in from the CD inlet / outlet 3 against the pair of left and right click springs 11, 11 has an eject arm 5 at the outer periphery on the back side.
When the eject arm 5 rotates, the outer periphery of the front side is abutted against the click springs 11 and 11 and is loaded in the CD magazine 1. , 11 are bent and pushed out toward the CD entrance / exit 3 side.

Here, FIG. 1 shows a single CD adapter 13 for loading a single CD 12 having a diameter of 8 cm into the CD magazine 1. This single CD adapter 13
Has a substantially C-shaped planar shape in which a part of the outer periphery corresponding to the CD inlet / outlet 3 side of the CD magazine 1 is opened, and a mounting portion for the single CD 12 is provided inside thereof and is biased toward the CD inlet / outlet 3 side. Has been. That is, the circular arc portion 13a corresponding to the outer circumference of the single CD 12 and the pair of left and right sandwiching tongues 13b located on both sides of the circular arc portion 13a to prevent the single CD 12 from coming off are integrally formed as a mounting portion. In addition, CD4 is provided on the outer circumference of the single CD adapter 13.
A circular arc portion 13c that is the same as the outer periphery of the circular arc portion 1 is formed.
The CD magazine 1 is provided on the outer peripheral portion continuous on both sides of 3c.
A first step portion 13d, a second step portion 13e, and an inclined portion 13f that are locked in three stages are formed on the click springs 11 and 11, respectively.

FIG. 5 shows a state in which the single CD 12 held by the single CD adapter 13 is loaded, and the CD entrance / exit 3 is resisted against the pair of left and right click springs 11, 11.
In the single CD adapter 13 pushed in from, the arcuate part 13c facing the inner part abuts the eject arm 5, and the inclined parts 13f, 13f located on the front side are click springs 1.
C sandwiched by 1 and 11 together with single CD12
It is loaded in the D magazine 1. In this loaded state, the single CD 12 has a part of its outer periphery facing the CD entrance / exit 3 side like the CD 4 having a standard size of 12 cm.

On the other hand, the multi-CD player 2 is a CD
The magazine 1 has its CD inlet / outlet 3 facing the left side and the peripheral wall surface 1
The magazine insertion port 14 is inserted from the side a, and guide pins 15, 15 that engage with the second guide groove 9 are provided on the bottom surface of the magazine insertion port 14 in a protruding manner. Further, a pressing member 16 for selectively pushing the eject arm 5 of the inserted CD magazine 1 is arranged at the back of the magazine insertion opening 14, and a CD magazine is provided on the left side of the magazine insertion opening 14. A pair of feed rubber rollers 18, 18 for transferring the CD 4 or the single CD 12 extruded from inside 1 to the clamper 17 side of the reproducing apparatus is arranged.

A front end portion of the pressing member 16 is a return spring 1.
9, the half-moon shaped cam hole 16a formed at the rear end engages with the drive pin 20a protruding from the gear 20,
When the gear 20 is rotated by a group of gear trains 21 driven by a motor, the gear 20 moves forward against the return spring 19. Then, due to this forward movement, the pressing member 16 presses the eject arm 5 to push the CD in the CD magazine 1.
4 or the single CD 12 held by the single CD adapter 13 is slightly pushed out from the CD inlet / outlet 3.

Further, the pair of feed rubber rollers 1
Gears 18a, 18a fixed to the ends of the gears 8, 18 mesh with a gear 22 driven by a motor through the gear train 21, so that the gears 18a, 18a rotate at the same speed in the same direction to drive the CD4 or the single CD12. It is designed to be transferred.

Next, the operation of the single CD adapter 13 and the CD magazine 1 of the embodiment thus constructed will be described. As mentioned above, the multi-CD player 2
The feed rubber rollers 18, 18 and the clamper 17 of the reproducing device are arranged on the left side of the magazine insertion slot 14. Therefore, for this type of multi-CD player 2, as schematically shown in FIG.
The CD magazine 1 is inserted into the magazine insertion opening 14 from the peripheral wall surface 1a side with the CD entrance 3 facing left. By doing so, the second guide groove 9 formed on the lower surface of the CD magazine 1
Aligns with and engages with the guide pins 15, 15 in the magazine insertion slot 14, so that the CD magazine 1 is surely inserted in the magazine insertion slot 14 in the proper direction. In this inserted state, as shown in FIG. 7A, the CD magazine 1
Since the CD confirmation window 6 provided on the peripheral wall surface 1b is exposed at the opening of the magazine insertion slot 14 of the multi-CD player 2, the presence or absence of the CD 4 and the single CD 12 in the CD magazine 1 can be confirmed in the inserted state.

Here, it is assumed that the CD entrance 3 and other peripheral wall surfaces 1
When attempting to insert the CD magazine 1 into the magazine insertion opening 14 with b and 1c facing forward, the guide pins 15 and 15 come into contact with these insertion front end faces to prevent the insertion of the CD magazine 1. In this way, erroneous insertion of the CD magazine 1 is prevented.

Further, as schematically shown in FIG. 6B, with respect to the multi-CD player 24 of the type in which the reproducing device is arranged at the inner part of the magazine insertion slot 23, the CD entrance 3 is inserted in the insertion direction. The CD magazine 1 is inserted into the magazine insertion slot 23 toward the front. By doing so, the first guide groove 8 formed on the lower surface of the CD magazine 1 matches and engages with the guide pins 25, 25 in the magazine insertion opening 23, and the CD magazine 1 is surely inserted into the magazine insertion opening 23. Inserted inside. In this inserted state, the CD confirmation window 7 provided on the peripheral wall surface 1c of the CD magazine 1 is exposed at the opening of the magazine insertion opening 23 of the multi-CD player 24 as shown in FIG. CD4 in 1
The presence or absence of the single CD 12 can be confirmed in the inserted state.

Here, temporarily, as shown in FIG. 6C, the peripheral wall surface 1
CD magazine 1 with magazine a facing forward 23
The second guide groove 9 is inserted into the guide pin 25,
25, the peripheral wall surface 1a has guide pins 2
The contact with 5, 25 prevents the insertion of the CD magazine 1, and thus the erroneous insertion of the CD magazine 1 is prevented.

For a multi-CD player of the type in which the CD magazine 1 is inserted into the magazine insertion slot with the lower surface 1d facing forward in the insertion direction, the third guide groove 10 formed on the peripheral wall surface 1b is used. The CD magazine 1 is inserted so as to be aligned with the guide pins of the CD player. By doing so, the CD magazine 1 is prevented from being erroneously inserted and is surely inserted in the proper direction.

In the CD magazine 1 inserted in the magazine insertion slot 14 of the multi-CD player 2 in the proper direction as described above, the eject arm 5 has the magazine insertion slot 14
Facing the back of the CD, the CD entrance 3 is the feed rubber roller 1
Face 8 and 18. Therefore, when the pressing member 16 moves forward to selectively press the eject arm 5, for example, the CD 4 in the CD magazine 1 is pushed out from the CD inlet / outlet 3 by a predetermined amount. Then, the pair of feed rubber rollers 18, 18 transfers the pushed CD4 to the reproducing device side, and the clamper 17 holds the CD4, whereby the reproducing device starts to reproduce the CD4.

When the reproduction of the CD4 is completed, the holding of the CD4 by the clamper 17 is released, and the feed rubber rollers 18 and 18 reversely move the CD4 into the CD magazine 1. Thus, the CD4 is shown in FIG. Like C
The peripheral edge on the D entrance / exit 3 side is clamped by the click springs 11 and 11 to return to the loaded state.

Here, holding the single CD 12 and holding the CD
Single CD adapter 13 loaded in magazine 1
Is ejected from the CD inlet / outlet 3 together with the single CD 12 by the rotation of the eject arm 5 by the forward movement of the pressing member 16. At that time, the feed rubber rollers 18, 18
Frictionally contacts only the single CD 12 and imparts a transfer force thereto. Therefore, the single CD adapter 13 is shown in FIG.
As shown in, the second step portions 13e, 13e are the click springs 1.
The single CD 12 is stopped at the position where it is clamped by the terminals 1 and 11, and against the clamping force of the clamped tongues 13b and 13b of the stopped single CD adapter 13, only the single CD 12 is transferred to the reproducing device side by the feed rubber rollers 18 and 18. Clamper 17
Then, the reproduction of the single CD 12 is started.

Also, the reproduction of the single CD 12 is completed,
The single CD 12 transferred to the CD magazine 1 side by the reverse rotation of the feed rubber rollers 18, 18 has the second step portion 13
e and 13e are locked to the click springs 11 and 11, and the single CD adapter 13 is stopped halfway, the clamping tongues 13b and 13b are pushed to the left and right while being pushed inward, and the single CD adapter is pushed. Held at 13.
Then, in this state, the single CD 12 is further subjected to the transfer action of the feed rubber rollers 18, 18, so that the single CD adapter 13 can move the inclined portion 13f, as shown in FIG.
13f is clamped by the click springs 11 and 11 and returns to the loaded state.

The single CD 1 held by the single CD adapter 13 and loaded in the CD magazine 1
In order to replace 2, the CD magazine 1 is taken out from the magazine insertion opening 14 of the multi-CD player 2, and the corresponding eject arm 5 is pushed with a finger or the like to move the single CD adapter 13 to its second step portions 13e, 13e. Push out to the position where it is clamped by the click springs 11, 11 (see FIG. 8). Then, the single CD 12 is the CD of the CD magazine 1.
Since it slightly protrudes from the entrance / exit 3, the single CD 12 can be replaced by pulling it out against the sandwiching tongues 13b, 13b of the single CD adapter 13.

[0028]

As described above, according to the present invention, the mounting portion provided in the outer periphery of the single CD adapter in the state of being loaded in the CD magazine is biased to the CD inlet / outlet side. Therefore, if this single CD adapter is slightly pulled out and locked, the single CD can be attached to and detached from the mounting portion in the radial direction. That is, the single CD can be attached / detached to / from the mounting portion without completely pulling out the single CD adapter from the CD magazine, so that the single CD can be replaced easily.

The single CD adapter loaded in the CD magazine and locked in the pull-out direction is a single CD adapter.
Is facing the CD entrance / exit side of the CD magazine, so only a single CD is a multi-CD when playing a single CD.
It is loaded into the player's playback device side,
Reliable reproduction can be expected.

[Brief description of drawings]

FIG. 1 is a plan view showing an embodiment of a single CD adapter according to the present invention.

FIG. 2 is a perspective view of a CD magazine to which an embodiment is applied and a multi-CD player in which the CD magazine is used.

FIG. 3 is a perspective view showing a lower surface of a CD magazine to which an embodiment is applied.

FIG. 4 is an internal structure explanatory diagram showing a CD loaded state of a CD magazine to which an embodiment is applied.

FIG. 5 is an internal structure explanatory view showing a single CD loading state of a CD magazine to which one embodiment is applied.

6 (a), (b) and (c) are C to which one embodiment is applied.
It is an explanatory view of the action of the D magazine.

7 (a) and 7 (b) are operation explanatory views of a CD magazine to which one embodiment is applied.

FIG. 8 is an operation explanatory view showing a single CD extruded state of the CD magazine to which the embodiment is applied.

FIG. 9 is an operation explanatory view showing a single CD adapter pushed out state of a CD magazine to which one embodiment is applied.

FIG. 10 is an operation explanatory view of a conventional general CD magazine to which one embodiment is applied.

[Explanation of symbols]

 1 CD Magazine 2 Multi-CD Player 3 CD Door 4 CD 5 Eject Arm 6, 7 CD Confirmation Window 8 First Guide Groove 9 Second Guide Groove 10 Third Guide Groove 11 Click Spring 12 Single CD 13 Single CD Adapter 13a Arc part 13b Clamping tongue piece 13c Arc part 13d First step part 13e Second step part 13f Inclined part 14 Magazine insertion port 15 Guide pin 16 Pressing member 16a Cam hole 17 Clamper 18 Feed rubber roller 18a Gear 19 Return spring 20 Gear 20a Drive pin 21 gear train 22 gear 23 magazine insertion slot 24 multi-CD player 25 guide pin

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Tomomi Kimura 25 Nishimachi, Kawada City, Saitama Prefecture, Yamada, 1 1 Pioneer Kawagoe Factory

Claims (1)

[Claims] 1. A single CD adapter which is loaded into a CD magazine for a multi-CD player from a CD entrance and locked in the pulling-out direction, wherein the single CD adapter is opened at a part of its outer periphery so that the single CD can be attached and detached in the radial direction. CD above
A single CD adapter, which is provided at a position offset to the entrance / exit side.