JP3388616B2 - Magazine structure - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a magazine structure suitable for a compact disc player having an automatic change function.

[0002]

2. Description of the Related Art FIG. 12 is an exploded perspective view showing a part of a compact disc player 92 using a magazine 91 having a typical prior art structure. This compact disc player 92 is a compact disc (hereinafter, referred to as a compact disc) housed in a magazine 91 in a stacked state.
A tray 94 on which a CD (abbreviated as CD) 93 is placed is pulled out / pushed in by an insertion / ejection mechanism 97 such as a swing arm 96 mounted on a pedestal 95, and the pedestal 95 is moved to a turntable 98 by an elevating mechanism 110. On the other hand, the CD 93 mounted on the tray 94 taken in the pedestal 95 is loaded on the turntable 98 by driving the displacement toward and away from the arrow 111 in the figure, and thus the magazine 91
It is a device that can replace and play any CD 93.

Both side walls 99a and 99b of the magazine 91
A partition plate 100 is formed on each of the two side walls 99a.
A locking piece 101 is provided on the. The width of the groove 102 formed by being divided by the partition plate 100 is set to be slightly smaller than the thickness of the tray 94 on which the CD 93 is mounted. Therefore, even if the CD 93 floats up from the tray 94 due to an impact in the magazine 91, the CD 93 does not fall out of the magazine 91.

When the tray 94 is inserted into the groove 102, the locking claw 103 of the locking piece 101 is engaged with a locking recess 104 formed at one end of the tray 94 in the width direction, In this way, the tray 94 is loaded in the magazine 91 while being prevented from coming off. In the bottom plate 105 that constitutes the magazine 91, an opening 106 through which the release pin 107 penetrates is formed near the lower end 103a of the locking claw 103. In the compact disc player 92, the locking claw 103 is pressed in the direction of the arrow 109 by the release pin 107 having the conical tip part that has entered from the opening 106, and the locking claw 103 and the locking recess 104 are formed. After the engagement states with and are released all at once, the tray 94 in the magazine 91 is taken into the frame 95 by the insertion / ejection mechanism 97.

When the CD 93 is replaced, the releasing piece 108 of the locking piece 101 is pressed. For example, when a right-handed person takes out the tray 94 in the magazine 91, the magazine 91 is held by the left hand, the release piece 108 is pressed by the index finger of the left hand, and the locking claw 103 and the locking recess 104 are separated. Since the engaged state can be released and the tray can be pulled out with the right hand, operability is good.

[0006]

In the above-mentioned prior art,
The locking piece 101 is provided only on the one side wall 99a. Therefore, when a right-handed person takes out the tray 94 loaded in the magazine 91, the operability is good as described above, but in the case of a left-handed person, the magazine 9 is held with the right hand.
Since 1 is held and the release piece 108 is pressed by the thumb of the right hand, the stability and operability at the time of exchanging the CD 93 are not good, and the convenience is poor. Further, if the tray 94 is pulled out by reversing the top and bottom of the magazine 91 in an attempt to press the release piece 108 with the index finger of the right hand, the CD 93 will drop when the tray 94 is taken out.

SUMMARY OF THE INVENTION An object of the present invention is to provide a magazine structure with improved convenience, which allows a recording medium to be replaced with good operability without being affected by the dominant hand of the operator.

[0008]

According to the present invention, a plurality of recording media can be respectively placed on a tray and stored in a stacked state, and a pressing operation portion facing a button hole formed on one side wall, A locking claw that can be fitted into a locking recess formed at one end of the tray in the width direction, and a locking piece that can be oscillated about an axis extending in the stacking direction of the trays. In the magazine structure, the tray is formed with a locking recess also at the other end in the width direction, and a notch is formed at one end on the downstream side in the insertion direction into the magazine, A magazine structure is characterized in that a swinging member having a free end portion that can be fitted into the notch is attached near a central portion of the back wall in the width direction.

The swinging member of the present invention is characterized in that the cross-section in the stacking direction is substantially doglegged and is a lever member that is swingable about an axis extending in the stacking direction.

Further, in the swing member of the present invention, the free end portion is formed in a columnar shape having an axis in the stacking direction, and the free end portion can be swingably displaced on a plane parallel to the tray. It is characterized by being connected to the back wall with a flexible connecting piece that can be formed.

Further, according to the present invention, in a magazine structure in which a plurality of recording media can be respectively placed on a tray and stored in a stacked state, the magazine has a back wall near a central portion in the width direction of the tray. In the above, a swing member including a cylindrical free end having an axis in the stacking direction of the tray and a flexible connecting piece capable of swinging displacement of the free end on a plane parallel to the tray is provided. Each tray is formed with a notch on one end side in the width direction on the downstream side in the insertion direction into the magazine, and a notch is provided near the open end of the notch near the connection between the free end and the connecting piece. The magazine structure is characterized in that a locking projection for stopping is provided.

Further, according to the present invention, a plurality of recording media can be placed on the tray and stored in a stacked state, and the pressing operation portion facing the button hole formed on one side wall and the width direction of the tray. In a magazine structure having a locking claw that can be fitted into a locking recess formed at one end of the locking piece and that can be rockably displaced around an axis extending in the stacking direction of trays, On the tray, a locking recess is formed at the other end in the width direction, and a support piece is formed so as to be displaced from the center in the thickness direction and project from both ends in the width direction. The magazine structure is characterized in that, on both side walls, the supporting pieces are placed and the partition for supporting the tray is formed at a pitch substantially equal to the thickness of the tray.

Further, according to the present invention, the magazine has a swing axis in the stacking direction near the back wall on both side walls of the magazine, faces the cutout portion of the tray, and corresponds to whether or not the cutout is formed. In a device that is provided with a guide piece that retracts or projects from the magazine and that is mounted with the magazine and that performs at least one of recording and reproducing of the recording medium, the guide is provided on one side wall of the mounting opening of the magazine. It is characterized in that a guide groove corresponding to one piece is formed.

[0014]

According to the present invention, the plurality of recording media are placed on the trays in the magazine and stored in a stacked state.
In the vicinity of the button hole formed on one side wall of the magazine, a locking piece including a pressing operation portion facing the button hole and a locking claw is swingably displaced around an axis extending in the stacking direction of the trays. It can be mounted freely. Further, a swinging member is attached near the widthwise central portion of the back wall. Locking recesses are formed at both ends of the tray in the width direction, and notches are formed at one end side in the width direction on the downstream side in the insertion direction into the magazine.

Further, preferably, the swinging member is a lever member having a cross-section in the stacking direction substantially V-shaped and swingably displaceable around an axis extending in the stacking direction, and is inserted into the magazine. In addition, the tray is swingably displaced depending on the presence or absence of the notches at both ends in the width direction of the tray.

Further preferably, the rocking member is
The free end is formed in a cylindrical shape having an axis in the stacking direction, and the free end is connected to the back wall by a flexible connecting piece that can be oscillated and displaced on a plane parallel to the tray. Consists of This swing member swings and displaces in accordance with the shape of the notches on both widthwise ends of the tray inserted in the magazine.

When the tray is inserted into the magazine, the rocking member is rocked and displaced corresponding to the cutout, the free end thereof is fitted into the cutout, and the locking recess and the locking claw are formed. Engage to hold the tray in the magazine. Therefore, if the next tray is inserted in a different top and bottom than the tray that was previously inserted, the next tray will interfere with the free end portion, and trays with different top and bottom will be inserted in the magazine. Cannot be loaded. Further, the ejection of the tray is performed by pulling out the tray in a state where the pressing operation portion is pressed and the engagement is released.

In this way, it is possible to prevent the erroneous insertion of the tray and to insert the tray at any top and bottom of the magazine, so that good operability of the pressing operation section can be obtained regardless of the dominant hand of the operator. be able to.

Further, according to the present invention, in a magazine in which a plurality of recording media can be placed on a tray and stored in a stacked state, a swinging member is provided near a central portion in a width direction of a back wall of the magazine. Mounted. The swing member includes a columnar free end having an axis in the stacking direction of the trays, and a flexible connecting piece capable of swinging the free end on a plane parallel to the tray. Consists of Correspondingly, a notch is formed on one end side in the width direction on the downstream side in the insertion direction of each tray, and near the opening end of the notch, near the connecting portion between the free end and the connecting piece. A locking protrusion that locks to is provided.

When the tray is inserted into the magazine, the free end of the swinging member is locked by the locking projection to hold the tray in the magazine. Also, following the tray that was inserted earlier,
If the next tray is inserted in a different position from that of the previous tray, the next tray interferes with the free end portion, and it is not possible to load trays of different tops into the magazine. Therefore, it is possible to prevent erroneous insertion of the tray, and it is not necessary to provide the magazine with a special structure for preventing the tray from falling off, and the structure can be simplified.

Further, according to the present invention, the plurality of recording media are placed on the trays in the magazine and stored in a stacked state. In the vicinity of the button hole formed on one side wall of the magazine, a locking piece including a pressing operation portion facing the button hole and a locking claw is swingably displaced around an axis extending in the stacking direction of the trays. It can be mounted freely. Locking recesses are formed on both ends of the tray in the width direction. In addition, support pieces are formed at both ends of the tray in the width direction, offset from the center of the tray in the thickness direction. Correspondingly, partitions are formed on both side walls of the magazine at a pitch substantially equal to the thickness of the tray. The trays are stored in a stacked state in the magazine by mounting the supporting pieces on the partition formed on both side walls of the magazine.

Therefore, when the next tray is inserted in a different position from the previous tray after the previously inserted tray, the portions of the previous tray and the next tray that protrude in the thickness direction from the supporting pieces respectively. Interfere with each other, which prevents erroneous tray loading.

Further, preferably, guide pieces having a swing axis in the stacking direction are provided near the back walls on both side walls of the magazine. The guide piece retracts into the magazine on the side where the notch of the tray to be inserted into the magazine is formed, and projects from the magazine on the side where the notch of the tray is not formed. Correspondingly, in a device for performing at least one of recording and / or reproducing of a recording medium in which the magazine is mounted, in a mounting port for mounting the magazine, one side wall of the mounting port, A guide groove corresponding to the guide piece is formed. By mounting the magazine in the apparatus in accordance with the shape of the mounting opening, the top and bottom of the recording medium can be made recordable or reproducible.

Therefore, by storing the tray, it is possible to prevent erroneous mounting of a magazine whose top and bottom are regulated.

[0025]

1 is an exploded perspective view showing a part of a compact disc player 2 using a magazine 1 according to a first embodiment of the present invention in a simplified manner. When the magazine 1 is mounted on the changer body 11, the compact disc player 2 has CDs 3 stored in the magazine 1 in a stacked state.
The tray 4 on which is mounted is pulled out / pushed in by the insertion / ejection mechanism 7 such as the swing arm 6 mounted on the pedestal 5, and the pedestal 5 is turned up / down by the lift mechanism 8.
On the other hand, the C placed on the tray 4 taken in the pedestal 5 is driven by driving the displacement toward and away from the arrow 9 in the figure.
This is a device in which D3 is loaded on the turntable 10 and any CD3 in the magazine 1 can be exchanged and reproduced.

The tray 4 is generally provided with a storage recess 14 for mounting a CD 3 which is a recording medium at substantially the center thereof, and the turntable 10 and the like are inserted into the storage recess 14. Through holes 15 are formed.
In this tray 4, a handle portion 17 is formed on the upstream side in the insertion direction into the magazine 1 indicated by reference numeral 16 in the figure, and the operator can use a pair of hooks formed on both sides of the handle portion 17. Pressing the pieces 18a, 18b in the insertion direction 16,
Alternatively, the tray 4 can be inserted into or taken out of the magazine 1 by sandwiching and pulling in the direction opposite to the insertion direction 16.

The hooking piece 18a also serves as the insertion / ejection mechanism 7.
It is hooked by a hook attached to the free end portion 6a of the swing arm 6, and is used to pull out the tray 4 from the magazine 1 in accordance with the swing displacement of the swing arm 6. Locking recesses 20a, 20b and engaging recesses 21a, 21b are respectively formed at both ends 19a, 19b in the width direction of the tray 4, and one end at the downstream side end in the insertion direction 16 is formed. A notch 22 is formed at the end 19a of the.

FIG. 2 is a horizontal sectional view of the magazine 1. The structure of the magazine 1 will be described with reference to FIGS. 1 and 2. The magazine 1 is generally composed of both side walls 23a, 23a.
b, the top plate 24 (shown in FIG. 4), the bottom plate 25, the back wall 26 and the locking pieces 34, and the opening 28 on the front surface. A plurality of partitions 29a, 29b are formed on the side walls 23a, 23b at regular intervals in the stacking direction of the tray 4, and the both ends of the tray 4 are provided in the grooves 30a, 30b between the partitions 29a, 29b. 19a, 19b
Are inserted respectively.

In the bottom plate 25, in the vicinity of the corner between the one side wall 23a and the back wall 26, the pressing operation section 32 facing the button hole 31 formed in the side wall 23a and the tray 4 accommodated in the magazine 1 are engaged. A locking piece 34 having a locking claw 33 that engages with the recess 20a or 20b and has a substantially L-shaped cross section in the axial direction is swingably attached by a pin 35.
Normally, the locking piece 34 is the winding spring 4 wound around the pin 35.
By 0, the pressing operation portion 32 is spring-biased in the arrow 48 direction so as to project from the button hole 31.

A lever member 36, which is a rocking member having a substantially V-shaped cross section in the axial direction, is swingably attached by a pin 37 near the central portion in the width direction of the back wall 26. In the side wall 23a, between the button hole 31 and the partition plate 29a,
Base end 38a of leaf spring-like elastic piece 38 made of metal material
Are attached by welding or the like. The free end portion 38b of the elastic piece 38 is formed in a comb shape corresponding to each tray 4, and the free end portion 38b is fitted into the engaging recess 21a or 21b of the tray 4. This elastic piece 38
Presses the tray 4 inserted in the magazine 1 toward the other side wall 23b by the spring force, and the free end portion 38b causes the engaging recess 21a or 21 of the tray 4 as described above.
Engage with b to prevent undesired removal of the tray 4.

A through hole 49 is formed in the bottom plate 25 near the lower end of the locking piece 34. When the magazine 1 is mounted on the compact disc player 2, the release pin 50 having a conical tip portion penetrates from the changer body 11 through the through hole 49 when the disc is exchanged. As a result, the locking claw 33 is displaced in the direction opposite to the arrow 48 direction against the elastic force of the coil spring 40, and the locking claw 3
The engagement state between 3 and the locking recess 20a or 20b is released all together.

FIG. 3 is a schematic perspective view showing a part of the magazine 1 and the CD 3 in a state where the tray 4 is loaded in the magazine 1. When the first tray 4 is inserted into the arbitrary grooves 30a and 30b in the magazine 1 at an arbitrary position, the locking claw 33 and the free end portion 38b are respectively attached to the spring 40 and the elastic piece 38. It is fitted into the locking recess 20 and the engaging recess 21 by the force, and the tray 4 is loaded in the magazine 1 in this way. At the same time, at the downstream end of the tray 4 in the insertion direction 16, the lever member 36 swings and displaces around the pin 35, corresponding to the notch 22, and the free end 36a is fitted into the notch 22. To do. In this state, when inserting the second and subsequent trays 4 into the arbitrary grooves 30a and 30b, if the top and bottom of the trays 4 are different, the cutout 22 is not formed on the downstream side in the insertion direction 16. The side end is the free end 36.
By interfering with a, the loading of the second tray 4 is hindered.

As described above, in this embodiment, the trays can be inserted only when the tops and bottoms of the trays match each other.

FIG. 4 is a perspective view for explaining an operation of inserting the tray 4 into the magazine 1 or taking out the tray 4 from the magazine 1. As shown in FIG. 4A, when a right-handed person exchanges the CD 3 loaded in the magazine 1, generally, the magazine 1 is held by the left hand and the handle portion 17 of the tray 4 is held by the right hand. Hold and pull out. In this way, by holding the magazine 1 with the left hand upside down as shown in the figure, the pressing operation portion 32 can be pressed by the index finger of the left hand, so that good operability can be obtained for a right-handed person.

Further, as shown in FIG. 4B, when a left-handed person replaces the CD 3 loaded in the magazine 1, generally, the magazine 1 is held by the right hand and the tray is pulled out by the left hand. Thus, with the right hand, as shown in FIG.
By holding the magazine 1 in an upside down position, the pressing operation portion 32 can be pressed by the index finger of the right hand, and therefore, good operability can be obtained even for a left-handed person.

As described above, in the present embodiment, the magazine 1 is prevented while preventing erroneous insertion such that the top and bottom of the tray 4 are not aligned.
It is possible to comfortably exchange the CD 3 therein regardless of the dominant hand of the operator, and it is possible to improve convenience.

FIG. 5 shows a magazine 4 according to the second embodiment of the present invention.
It is a horizontal cross-sectional view for explaining the structure of FIG. Since the magazine 41 and the tray 42 of this embodiment have a similar structure to the magazine 1 and the tray 4, the same reference numerals are used for the same components. FIG. 5A is a horizontal sectional view of the magazine 41 and a plan view of the tray 42. The magazine 41 includes the lever member 3 in the magazine 1.
Instead of 6, the swing piece 44 is provided. Tray 42
Is formed by forming a notch 43 on the side of one end 19a on the downstream side in the insertion direction 16. The swing piece 44, which is a swing member, has a cylindrical free end portion 46 having an swing axis in the stacking direction of the tray 42, and the free end portion 46 can be swing-displaced on a plane parallel to the tray 42. And a flexible connecting piece 45. The connecting piece 45 is attached to the back wall 26 near the center in the width direction.

As shown in FIG. 5B, the tray 42 is attached to the magazine 41.
The state in which is loaded is shown in simplified form. First tray 4
When 2 is inserted into the magazine 41, the free end 46 of the swinging piece 44 is displaced along the guide slope 47 of the notch 43, and the locking claw 33 and the elastically biased elastic claw 33 are elastically moved. The free ends 38b of the pieces 38 are fitted into the locking recesses 20 and the engaging recesses 21, respectively, and the tray 42 is loaded into the magazine 41 without falling off. When the trays 42b of the second and subsequent sheets are inserted into the magazine 41 with the tray 42 of the first sheet and the tray 42 of the first sheet upside down, the free end portion 4 of the swinging piece 44 is inserted.
6 interferes with the second and subsequent trays 42, and the loading of the tray 42 is hindered.

As described above, also in this embodiment, it is possible to prevent the tray 42 from being erroneously loaded.

FIG. 6 is a schematic plan view showing a state where the tray 52 is loaded in the magazine 51 used in the third embodiment of the present invention. This tray 52 is the tray 4
It is characterized in that a locking projection 53 is formed on the guide slope 47 formed in 2. When the tray 52 is inserted into the magazine 51, the swing piece 44 is displaced along the guide slope 47.
The free end portion 46 of the tray engages with the locking projection 53, whereby the tray 52 is loaded into the magazine 51. By using the tray 52 having such a configuration, it is not necessary to provide the magazine 51 with a special structure for preventing the tray 52 from falling off, for example, the locking piece 34 and the elastic piece 38, and the structure of the magazine 51 can be simplified. Can be converted.

FIG. 7 shows a magazine 6 according to the fourth embodiment of the present invention.
It is a perspective view which simplifies and shows one part for demonstrating the structure of 1. Since the magazine 61 has a similar structure to the magazine 1, the same reference numerals are used for the same components. Partitions 63a and 63b are provided on both side walls 62a and 62b of the magazine 61 at a pitch substantially equal to the thickness of one tray 65, respectively. The tray 65 has a storage recess 14 formed on one surface thereof, and locking recesses 69a, 69b and engagement recesses 70a, 7 are provided on both sides thereof.
0b, respectively, and the partitions 63a, 63
The support pieces 64a and 64b placed on the tray b are attached to the tray 65.
Is deviated from the center in the thickness direction to the other surface side.

FIG. 8 is a front view of the magazine 61 in which the tray 65 is inserted. In the tray 65, the supporting pieces 64a and 64b are placed on the partition pieces 63a and 63b, that is, the supporting pieces 64a and 64b are in the grooves 6.
8a and 68b are inserted into the magazine 61. Groove 68a1, with the top and bottom of magazine 61 being arbitrary
The first tray 65a indicated by the solid line in the figure between 68b1
To load. The second tray 6 shown by the chain double-dashed line in the figure
When the top and bottom of the tray 65b are different from the top and bottom of the tray 65a when 5b is inserted between the grooves 68a2 and 68b2,
The hatched portions of the trays 65a and 65b interfere with each other in the figure, and the loading of the tray 65b into the magazine 61 is hindered.

As described above, also in this embodiment, it is possible to prevent erroneous loading of the tray in the magazine.

FIG. 9 shows a magazine 7 according to the fifth embodiment of the present invention.
It is a horizontal sectional view which simplifies and shows the structure of 1. The structure of the tray 72 used in this embodiment and the magazine 71 related to this tray 72 are similar to those of the magazine 1 and the tray 4 used in the first embodiment. The same reference numerals are used. The feature of this embodiment is that the guide piece 7 is provided near the back wall 26 of the magazine 71.
3a and 73b are provided.

FIG. 10 is a sectional view taken along the line AA in FIG. The guide pieces 73a, 73b are swingably attached to the corners of the side walls 23a, 23b and the back wall 26 of the bottom plate 25 of the magazine 71 by pins 75a, 75b, respectively. The cross section in the direction is generally L-shaped. Tray 72 is magazine 7
When inserted into the tray 1, the end of the tray 72 on the side where the notch 22 is not formed presses the one end 74b of the guide piece 73b in the case of these FIGS. Swing displacement drive. Accordingly, FIG.
As shown in (b), the other end 79b of the guide piece 73 projects from the through hole 76b formed in the side wall 23b. These guide pieces 73a and 73b are normally elastically urged in the direction of being housed in the magazine 71 by a coil spring (not shown).

Correspondingly, the mounting opening 77 of the magazine 71 of the compact disc player 2a shown in FIG.
A guide groove 78 corresponding to the guide pieces 73a and 73b is formed on one side wall 77b.
The magazine 71, from which the guide piece 73a or 73b projects, is inserted into the compact disc player 2a at the top and bottom corresponding to. As described above, the tray 72 can be freely mounted on the top and bottom of the magazine 71. By mounting the tray 72, the magazine 71 whose top and bottom are defined is mounted in the compact disc player 2.

Therefore, in this embodiment, the magazine 71
It is possible to prevent erroneous attachment of the inner tray 72 to the compact disc player 2a.

[0048]

As described above, according to the present invention, since the locking recesses are formed at one end and the other end in the width direction of the tray, the tray can be loaded into the magazine regardless of the top and bottom of the magazine. You can Also, the free end of the swinging member is inserted into the notch of the tray as it is inserted into the magazine, and when the tray is inserted at different tops and bottoms, the tray interferes with the free end. Therefore, erroneous loading of the tray in the magazine can be prevented. Therefore, erroneous loading can be prevented and the recording medium can be replaced with good operability regardless of the dominant hand of the operator.

Further, according to the present invention, since the locking projection for locking the swing member is provided near the open end of the notch formed in the tray, it is possible to prevent the tray from being erroneously loaded into the magazine. At the same time, it is possible to simplify the structure for preventing the tray provided in the magazine from falling off.

Further, according to the present invention, the support pieces formed so as to be displaced from the center of the tray in the thickness direction and project at both ends in the width direction are substantially equal to the thickness of the tray on both side walls of the magazine. It is placed on the partition formed by the pitch, and in this way, the tray is loaded in the magazine,
When the trays are inserted in different tops and bottoms, the trays interfere with each other, and thus the erroneous loading of the trays in the magazine can be prevented.

Preferably, the guide pieces formed in the vicinity of both side walls of the magazine project from the side wall in accordance with the presence or absence of a notch in the tray, and are equipped with a device for recording and / or reproducing a recording medium. Since the magazine is attached in correspondence with the guide groove formed in the mouth, it is possible to prevent the magazine from being erroneously attached to the device.

[Brief description of drawings]

FIG. 1 is an exploded perspective view schematically showing a part of a compact disc player 2 using a magazine 1 according to a first embodiment of the present invention.

FIG. 2 is a horizontal sectional view of the magazine 1.

FIG. 3 is a schematic perspective view showing a state in which a tray 4 is mounted in the magazine 1.

FIG. 4 is a perspective view for explaining an operation of inserting the tray 4 into the magazine 1 or an operation of taking out the tray 4 from the magazine 1.

FIG. 5 is a horizontal sectional view of a magazine 41 according to a second embodiment of the present invention.

FIG. 6 is a magazine 51 used in the third embodiment of the present invention.
It is a top view which simplifies and shows the state with which the tray 52 was loaded.

FIG. 7 is a schematic perspective view showing a part of a magazine 61 according to a fourth embodiment of the present invention.

FIG. 8 is a front view showing a state where a tray 65 is inserted in the magazine 61.

FIG. 9 is a horizontal sectional view schematically showing a magazine 71 according to a fifth embodiment of the present invention.

10 is a cross-sectional view taken along the section line AA of FIG.

11 is a simplified perspective view showing a compact disc player 2a to which the magazine 71 shown in FIGS. 9 and 10 is mounted.

FIG. 12: Magazine 9 with typical prior art construction
FIG. 3 is an exploded perspective view showing a part of a compact disc player 92 using 1 in a simplified manner.

[Explanation of symbols]

1,41,51,61,71 magazine 2,2a Compact disc player 4,42,52,65,72 trays 5 mounts 7 Insertion and ejection mechanism 8 lifting mechanism 10 turntable 16 Insertion direction 17 Handle 20a, 20b locking recess 21a, 21b Engagement recess 22,43 notches 23a, 23b; 62a, 62b Side wall 29a, 29b; 63a, 63b 30a, 30b; 68a, 68b groove 32 Push operation part 33 Locking claw 34 Locking piece 36 Lever member 44 swinging piece 45 connecting piece 46 Free end 64a, 64b support piece 73a, 73b guide piece

─────────────────────────────────────────────────── ─── Continuation of front page (58) Fields surveyed (Int.Cl. ⁷ , DB name) G11B 23/03 G11B 17/22

Claims (6)

(57) [Claims] 1. A plurality of recording media can be placed on a tray and stored in a stacked state, and a pressing operation portion facing a button hole formed on one side wall and one end portion in the width direction of the tray. A magazine structure having a locking claw that can be fitted into the formed locking recess, and a locking piece that can be oscillated and displaced around an axis extending in the stacking direction of the trays, wherein the tray has: , Forming a locking recess also in the other end in the width direction, and forming a notch on one end side on the downstream side in the insertion direction into the magazine, and in the magazine, the width direction of the back wall of the magazine. A magazine structure, characterized in that a swinging member whose free end can be fitted in the notch is attached near the center of the magazine. 2. The swing member is a lever member having a cross-section in the stacking direction that is substantially doglegged and swingable about an axis extending in the stacking direction. The described magazine structure. 3. The oscillating member is formed so that the free end portion is formed into a columnar shape having an axis in the stacking direction, and the free end portion can be oscillated and displaced on a plane parallel to the tray. The magazine structure according to claim 1, wherein the magazine structure is configured to be connected to the back wall with a flexible connecting piece. 4. A magazine structure capable of mounting a plurality of recording media on a tray and storing the plurality of recording media in a stacked state, wherein the magazine has a tray near a central portion in a width direction of the tray. A swinging member having a cylindrical free end having an axis in the stacking direction and a flexible connecting piece capable of swinging the free end on a plane parallel to the tray, A notch is formed in each tray on the one end side in the width direction on the downstream side in the insertion direction into the magazine, and the tray is locked near the open end of the notch near the connection between the free end and the connecting piece. Magazine structure characterized by providing locking projections. 5. A plurality of recording media can be respectively placed on a tray and stored in a stacked state, and a pressing operation portion facing a button hole formed on one side wall and one end portion in the width direction of the tray. A magazine structure having a locking claw that can be fitted into the formed locking recess, and a locking piece that can be oscillated and displaced around an axis extending in the stacking direction of the trays, wherein the tray has , A locking recess is formed at the other end in the width direction, and a supporting piece is formed so as to be displaced from the center in the thickness direction and project from both ends in the width direction. The magazine structure, wherein the supporting pieces are placed to form the partition for supporting the tray at a pitch substantially equal to the thickness of the tray. 6. The vicinity of the back wall of both side walls of the magazine,
A guide piece that has a swing axis in the stacking direction and faces the cutout portion of the tray and that retracts or projects from the magazine is provided in the magazine depending on whether or not the cutout is formed. The guide groove corresponding to the guide piece is formed on one side wall of the mounting opening of the magazine in an apparatus that performs at least one of recording and reproducing of the recording medium. The magazine structure according to any one of 5 above.