JPH10101165A - Storage case for disk cartridge - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To allow an index card to be easily stored in a storage case having an entrance for MD opened at one place on four sides of a peripheral surface, and also to a storage case for an index card. Easy access. SOLUTION: A storage case is composed of a case body 10 and a lid 11.
And formed into a thin rectangular box shape, with an entrance 1 for MD1 on the front side
Open 2 The lid 11 has a shaft 23 and a long and
4 to the case body 10. When the lid 11 is slid rearward of the case and then swung upward about the shaft 23, the loading port 17 on the upper surface of the case body 10 can be opened. The index card 13 is inserted into and removed from the loading port 17. A lid lock 26 for engaging and holding the lid 11 in the closed position is provided between the main surface wall 20 of the lid 11 and the left and right side walls 15 of the case body 10.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a storage case for a disk cartridge in which a disk-shaped signal recording medium such as an optical disk or a magnetic disk is housed in a case and formed into a cartridge.

[0002]

2. Description of the Related Art There are various types of storage cases of this type. For example, various storage cases have been put into practical use for magnetic tape cartridges and magnetic disk cartridges. As a storage case for disk cartridges,
The one shown in FIG. 8 is put to practical use and is known. This disk cartridge is a so-called mini disk (hereinafter simply referred to as MD) 4 in which a magneto-optical disk 40 having a diameter of 6.4 cm is housed in a thin rectangular box-shaped cartridge case 41.
2, which is widely used as a recording medium for sound and video signals or computer information.

The MD storage case is formed in a thin rectangular box shape by an upper case 43 and a lower case 44 which are press-fitted to each other, and an entrance 45 is opened on one long side of the four circumferential side surfaces. I have. In order to prevent the MD 42 from slipping out of the entrance 45 when handling the storage case, the lower case 44 is used.
A pair of lock bodies 46 are arranged near the inner side of the unique side wall of the lock. The lock body 46 engages with positioning recesses 47 provided on both sides of the lower surface of the cartridge case 41,
Prevents sliding of D42.

[0004]

The above storage case is
MD42 is inserted into the case from the entrance 45 and loaded.
Alternatively, the MD 42 can be easily taken in and out simply by pulling the MD 42 out of the case against the elastic force of the lock body 46. The problem is that since the index card is attached so as to cover the outer surface of the storage case, if the packaging film is opened and discarded, there is no storage place for the index card and until the title label etc. Must be stored separately, which is easy to lose. By cutting off the periphery of the index card, it is not impossible to store and store the entire card in the storage case, but the vertical spacing of the entrance 45 is 5 to 6 mm.
Because of its small size, it is not easy to put index cards in and out. When putting an index card in and out,
The disadvantage that a part of the card is caught by the lock body 46 inside the case cannot be avoided.

It is an object of the present invention to provide a storage case for a disk cartridge in which an index card can be stored in a case together with a disk cartridge, as well as a storage case for inserting and removing a disk cartridge from an entrance as in a conventional storage case for an MD. Is to provide a case. SUMMARY OF THE INVENTION An object of the present invention is to provide a storage case comprising a case main body and a lid that can swing upward and swing with respect to the case main body. An object of the present invention is to provide a storage case for a disk cartridge in which a locked state can be released when a card is taken in and out, and an upper surface of a case body can be opened, so that an index card can be easily taken in and out.
An object of the present invention is to provide a storage case for a disc cartridge, which is suitable as a storage case for an MD and in which a lock body for preventing the MD from slipping can be more easily assembled to the case.

[0006]

The storage case according to the present invention comprises:
Place a disc cartridge 1 on any one of the four sides.
It is composed of a thin rectangular box-shaped storage case having an opening 12 for use. The storage case has an index card 1 on the top
3 includes a case body 10 having an opening 17 for the third opening, and a lid 11 supported by the case body 10 to close the opening 17 so that the opening 17 can be opened and closed. The lid 11 is connected to the case body 10 via a pair of left and right bearing holes 24 formed by long holes in the front and rear, and a pair of left and right shafts 23 engaged with the both bearing holes 24. The lid 11 is closed at a position where the loading port 17 is closed, an open standby position where the lid 11 slides in a direction away from the entrance 12 along the bearing hole 24, and swings upward at the rear end of the bearing hole 24 so as to be loaded. The case 17 is supported by the case main body 10 so as to be displaceable to an open position where the entire opening 17 is opened. Lid lock 26 for engaging and holding lid 11 in the closed position
Is provided between the lid 11 and the case body 10. Lid 1
1 is configured to be able to release the locked state of the lid lock 26 in a state where the lock operation is performed to the open standby position against the elastic engagement force of the lid lock 26.

[0007] Specifically, the lid lock 26 is
7 and a lock claw 28 which falls into engagement with the lock piece 27. One of the lock piece 27 and the lock claw 28 is protruded from the inner surface of the left and right side wall 15 of the case body 10, and the other is the lid 11. Protruding from the inner surface of the main surface wall 20.

[0008] The lid 11 is a main surface wall 2 for closing the loading port 17.
0 and a pair of left and right leg walls 21 provided on inner surfaces on both sides of the rear portion of the main surface wall 20. Both leg wall 21 and case body 1
A shaft 23 and a bearing hole 24 are provided on each of the left and right side walls 15. The lock body 31 that elastically engages with the concave portion 6 provided on the peripheral edge of the disk cartridge 1 to prevent the disk cartridge 1 from coming out
Mounting hole 3 formed in one of right and left side walls 15
2 and press fit.

On the inner surfaces of the left and right side walls 15 of the case body 10,
The leg wall 21 of the lid 11 is arranged adjacently. A shaft 23 protrudes from the outer surface of the upper half of the leg wall 21, and the lock body 31 is press-fitted to the lower half of the leg wall 21. An escape groove 25 is formed in the rear wall 16 and the bottom wall 14 of the case body 10 to prevent interference with the leg wall 21.

[0010]

The storage case includes a case body 10 having a loading port 17 opened on the upper surface, and a lid 11 for swinging the loading port 17 to open and close.
After the disk cartridge 1 is removed from the storage case, the cover 11 is opened and the loading port 1 is opened.
By opening the whole of the index card 7, the index card 1
3 can be easily stored in the storage case, and can be easily taken out of the case when necessary. A lid lock is provided between the case body 10 and the lid 11 to prevent the lid 11 from being opened by its own weight or from being easily opened due to a drop impact, and to allow the storage case to be handled in the same manner as a conventional case. 26 is provided so that the lid 11 cannot be opened unless the user has a clear intention.

A lid lock 26 composed of a lock piece 27 and a lock claw 28 engaged with the lock piece 27
7 and one of the lock claws 28 to the case body 10,
The other part can be integrally molded with the lid 11 by plastic molding.

According to the storage case in which the lock body 31 for the disk cartridge 1 is press-fitted into one of the mounting holes 32 of the pair of leg walls 21 of the lid 11 and the left and right side walls 15 of the case body 10, Since the lock body 31 can be pre-assembled and integrated with the lid 11 or the case main body 10, when the lid 11 and the case main body 10 are assembled, the lock body 31 is attached to the mounting hole 32.
As a result, it is possible to easily prevent assembling work from being performed.

According to the storage case formed with the escape groove 25 for preventing the contact interference with the leg wall 21 in the case main body 10, it is not necessary to increase the vertical dimension of the storage case, and the cover 11 can be swingably opened. It can be supported, and a lock body 31 is provided on the lower half of the leg wall 21.
Can be mounted without any trouble, and the disk cartridge 1 can be stored in the storage case in the same storage position as the conventional storage case.

[0014]

【Example】

(Embodiment 1) FIGS. 1 to 5 show an embodiment in which the present invention is applied to a storage case for an MD (disk cartridge) 1. FIG. In FIG. 2, the MD 1 comprises a magneto-optical disc 2 housed in a cartridge box 3 in the form of a thin box. A shutter 5 opens and closes a signal reading window 4 opened on one side of both upper and lower sides of the cartridge case 3. It is configured to be able to. At the rear of both sides of the lower half of the cartridge case 3, positioning recesses 6 are formed in a semi-elliptical shape.

1 and 2, the storage case is formed in a thin rectangular box shape by a case main body 10 and a lid 11, and an entrance 12 for MD1 is opened on the front side of the case. The index card 13 can be stored together with the MD 1 in the storage case.

The case main body 10 is made of a plastic molded article integrally formed with a bottom wall 14, a pair of left and right side walls 15, 15 and a rear wall 16. The entire upper surface of the case serves as a loading port 17 for the index card 13. Open. As shown in FIG. 3, stair-like regulating walls 18 are respectively protruded from adjacent corners on the inner surface side of the bottom wall 14 and the side walls 15. The opposing interval between the pair of regulating walls 18 is set to a value obtained by adding a margin to the left and right width dimensions of the MD1, so that the MD1 can be easily put in and out of the storage case. It is provided so as not to move unnecessarily. The height of the rear wall 16 is set smaller than the height of the left and right side walls 15. This is to prevent the main surface wall 20 of the lid 11 from coming into contact with the rear wall 16 when the lid 11 is swung open.

The lid 11 includes a main surface wall 20 for closing the whole of the loading port 17 from the upper surface side, a pair of left and right leg walls 21 projecting from the lower surface on both rear ends of the main surface wall 20, and a leg wall 21. It is made of a plastic molded product in which a lid rear wall 22 protruding from the lower surface of the rear edge of the main surface wall 20 is integrally formed, and is formed of a transparent or translucent plastic material.

In order to easily insert and remove the index card 13 arranged along the inner surface of the case body 10, the lid 11 is connected to the case body 10 as follows, and the loading port 17 is connected to the lid 11 as follows. To open and close. As shown in FIG. 5, shafts 23 protrude from the outer surfaces of the upper halves of the left and right leg walls 21 of the lid 11, respectively. I support. Bearing hole 2
4 is formed with a long slot in front and back. Thereby, the lid 11
A closed position in which the main surface wall 20 is received by the upper end surfaces of the left and right side walls 15 and completely closes the loading port 17; The whole swings upward about the shaft 23 and can be displaced to an open position where the loading port 17 is opened. An escape groove 25 is formed between the rear wall 16 and the bottom wall 14 of the case main body 10 in order to prevent the leg wall 21 from contacting and interfering with the case main body 10 when the lid 11 swings and opens and closes.

A lid lock 26 is provided between the case body 10 and the lid 11 to hold the lid 11 in the closed position. As shown in FIGS. 1 and 3, the lid lock 26 has a lock piece 27 having an L-shaped cross section protruding from both sides of the lower surface of the main surface wall 20 of the lid 11 and an upper end of the inner surface of the left and right side walls 15 of the case body 10. And a locking claw 28 projecting therefrom. The lock claw 28 is composed of a projection having a cross-section of an inverted trapezoid,
In the horizontal wall of the lock piece 27, a lock recess 29 having an inverted trapezoidal cross section, into which the lock claw 28 falls and engages, is formed. The lock claws 28 are provided at a total of four places: a front portion near the entrance 12 of the left and right side walls 15 and a rear half, and the same number of lock pieces 27 as the lock claws 28 are provided at corresponding positions on the main surface wall 20.
In order to form the lock claw 28 integrally with the case body 10, a punching hole is opened in the upper wall of the regulating wall 18.

In the closed position, the locking pawl 28 is engaged with the locking recess 29 (see FIG. 3).
Is located at the front end of the bearing hole 24. The lid rear wall 22 of the lid 11 cooperates with the rear wall 16 of the case body 10 to close the rear surface of the case. In this state, when the lid 11 is pushed backward from the case, the lock recesses 29 ride on the lower surface of the lock claw 28 while elastically deforming the lock pieces 27, and the front end of the lock piece 27 eventually gets over the lock claws 28. It is located behind the lock claw 28 and switches to the release standby position. At this time, the shaft 23 is located at the rear end of the bearing hole 24.

In the opening standby position, the lid 11
Can be freely opened up about the axis 23, and the main surface wall 2 can be opened.
0 can be erected and oscillated from a horizontal posture to a position which is oscillated 90 to 90 degrees. Thus, in the state where the lid 11 is raised and opened, the entire loading port 17 is opened, so that the index card 13 can be easily taken in and out of the case body 10. The lid 11 can be returned to the closed position by reversing the above procedure. In the closed position, the lock piece 27 is received by the lock claw 28, and the lid rear wall 22 is connected to the rear wall 16. Since they are close to each other, the lid 11 cannot be opened and swung.

The index card 13 is formed by arranging a title label, a label for writing the details of the recorded contents, etc. on one side of the release liner, and printing a precautionary note or the like on the other side of the release liner. It is. In the illustrated example, the index card 13 formed of a paper surface along the bottom wall 14 and the rear wall 16 of the case body 10 is shown, but a paper surface along the main surface wall 20 of the lid 11 is provided continuously on both paper surfaces. Is also good. The left and right width dimensions of the index card 13 are matched with the left and right width dimensions of the MD1.

In order to prevent the MD 1 from slipping off the storage case when handling the storage case, a lock body 31 is provided on each of the left and right leg walls 21 of the lid 11. As shown in FIG. 5, the lock body 31 is formed of a plastic molded product integrally formed with a U-shaped base 31 a and an arcuate elastic arm 31 b continuous with the base 31 a. The base 31a is press-fitted and fixed in the mounting hole 32 provided therethrough,
1 and integrated. In the mounted state, the elastic arm 31b can be engaged with the concave portion 6 of the MD 1 from outside as shown in FIG. The outer surface of the base 31a is located on the same plane as or slightly inside the outer surface of the leg wall 21. Therefore, when the lid 11 is swung and opened, the base 31a is caught by the left and right side walls 15 of the case body 10. Never.

The storage case constructed as described above can be sold in a state where the index card 13 is stored in the storage case together with the MD1, and even if the packaging film is opened and discarded, the index card 13 is lost. Nothing. The MD 1 can be inserted and removed from the entrance 12 without any trouble while the index card 13 is stored. When using the index card 13, the MD
After extracting 1, the cover 11 is opened and the loading port 17 is opened in the manner described above.

The assembling of the storage case is completed by fixing the lock body 31 to the leg wall 21 of the lid body 11 and then inserting and engaging the shaft 23 provided on the leg wall 21 into the bearing hole 24 of the case body 10. it can. Thus, according to the assembling mode in which the lock body 31 which is a small component is press-fitted and fixed to the leg wall 21 and pre-assembled, when the lid 11 is assembled with the case body 10, the lock body 31 is inserted through the mounting hole 32. It is possible to prevent the assembling posture from being changed due to falling off or an external impact or the like, and the assembling work can be performed easily as compared with the conventional storage case.

(Embodiment 2) FIG. 6 shows a storage case according to Embodiment 2 of the present invention. The following points are different from the first embodiment. As shown in FIG. 6, the rear portions of the left and right side walls 15 of the case main body 10 are recessed in a stepwise manner toward the inside of the case to provide a connecting step 34, and the leg wall 21 of the lid 11 is provided on the outer surface of the connecting step 34. Were placed adjacent to each other. Contrary to the first embodiment, the connecting step 34
A shaft 23 protrudes from the outer surface of the left and right, and a long front and rear bearing hole 24 passes through the left and right leg walls 21. If necessary, the bearing hole 24 may be formed in a groove shape with a bottom. If the leg wall 21 is provided on the outer surface of the case, the escape groove 25 can be omitted. Since the connecting step portions 34 of the left and right side walls 15 are provided on the inner side of the case than the leg walls 21, in the second embodiment, the mounting holes 32 similar to those of the first embodiment are formed in the connecting step portions 34.
Is provided, and the lock body 31 is press-fitted and fixed to the connecting step portion 34.

As can be understood from Examples 1 and 2,
The shaft 23 and the bearing hole 24 can be provided on either side of the leg wall 21 and the left and right side walls 15. Furthermore, lock body 3
1 is provided on a wall surface located inside the case, of the leg wall 21 and the left and right side walls 15.

(Embodiment 3) The lid lock 26 can be changed as shown in FIG. That is, the lock recess 2 having a trapezoidal cross section
The lock claws 28 provided with the right and left side walls 1 of the case body 10
5, and a lock piece 27 having a trapezoidal cross section that falls into and engages with the lock recess 29 is provided on the main surface wall 20 of the lid 11. Note that the shape of the engaging portion between the lock piece 27 and the lock claw 28 does not need to be trapezoidal in cross section, and can be changed to a semicircular or hemispherical cross section.

In addition to the above, the loading port 17 is
It is preferable to open the entire upper surface, but if necessary, a narrow upper surface wall bridging the left and right side walls 15 is provided on the side of the entrance 12 and the other portion is opened to form the loading port 17. be able to. The rear wall 16 of the case body 10 can be omitted, and the rear wall 22 of the lid can be made to closely approach the rear end of the bottom wall 14. The storage case of the present invention can be applied to a storage case other than the MD, for example, for an optical disk cartridge.

[0030]

According to the storage case of the present invention, the lid 11 is slid rearward from the entrance 12 provided at one place on the four circumferential side surfaces while the disk cartridge 1 is slid rearward while maintaining the basic form. The index card 13 is housed in a storage case so that it can be sold in a state in which the index card 13 is stored in a storage case. The index card 13 can be easily put in and taken out of the storage case. In particular, even with a small disk cartridge such as an MD, the index card 13 can be easily put in and taken out.

[Brief description of the drawings]

FIG. 1 is a central longitudinal side view of a storage case showing a state in which a lid is being opened.

FIG. 2 is a cross-sectional plan view showing the internal structure of the storage case.

FIG. 3 is a sectional view taken along line AA in FIG. 2;

FIG. 4 is a sectional view taken along line BB in FIG. 2;

FIG. 5 is an exploded perspective view showing a connection portion structure between a lid and a case main body.

FIG. 6 is a cross-sectional plan view of a main part of the storage case according to the second embodiment.

FIG. 7 is a vertical sectional side view of a main part showing a lid lock structure according to a third embodiment.

FIG. 8 is a partially cutaway plan view of a conventional storage case.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Disc cartridge 10 Case main body 11 Lid body 12 Doorway 13 Index card 15 Case main body side wall 17 Loading port 23 Shaft 24 Bearing hole 26 Lid lock 27 Lock piece 28 Lock claw 31 Lock body

Claims (4)

[Claims] 1. A thin rectangular box-shaped storage case having an entrance 12 for a disc cartridge 1 opened at any one of the four circumferential side surfaces, and the storage case has a loading surface for an index card 13 on its upper surface. A case body 10 having an opening 17 and a case body 1
Cover 1 that is supported by the cover 0 and closes the loading port 17 so that it can be opened and closed
The lid 11 is connected to the case main body 10 via a pair of left and right bearing holes 24 formed by long holes in the front and rear, and a pair of left and right shafts 23 engaged with the both bearing holes 24. Then, the lid 11 swings upward and downward at the rear end of the bearing hole 24, and at a closing position at which the lid 11 closes the loading port 17, an open standby position at which the lid 11 slides away from the entrance 12 along the bearing hole 24. , Which is supported by the case body 10 so as to be displaceable to an open position in which the entirety of the loading port 17 is opened, and a cover lock 26 for engaging and holding the cover 11 in the closed position is provided between the cover 11 and the case body 10. A storage space for a disc cartridge, which is configured to release the locked state of the lid lock 26 when the lid 11 is slid to the open standby position against the elastic engagement force of the lid lock 26. Case. 2. The lid lock 26 is composed of a lock piece 27 and a lock claw 28 that falls into engagement with the lock piece 27. Either the lock piece 27 or the lock claw 28 Protruding from the inner surface of the side wall 15, the other is the lid 1
2. The storage case for a disk cartridge according to claim 1, wherein the storage case protrudes from an inner surface of the first main surface wall. 3. The lid body 11 includes a main surface wall 20 for closing the loading port 17, and a pair of left and right leg walls 21 provided on inner surfaces on both rear sides of the main surface wall 20. A shaft 23 and a bearing hole 24 are provided on each of the left and right side walls 15 of the disk 10, and a lock body 31 that elastically engages with the concave portion 6 provided on the peripheral edge of the disk cartridge 1 to prevent the disk cartridge 1 from coming out is provided. 3. The storage case for a disk cartridge according to claim 1, wherein said storage case is press-fitted into a mounting hole formed in one of said both leg walls 21 and left and right side walls 15 of said case body 10. 4. A leg wall 21 of the lid 11 is disposed adjacent to the inner surfaces of the left and right side walls 15 of the case body 10, and a shaft 23 is provided on an outer surface of the upper half of the leg wall 21 to protrude. The lock body 31 is press-fitted to the lower half of the case body 10, and the leg wall 21 is attached to the rear wall 16 and the bottom wall 14 of the case body 10.
A relief groove 25 is formed to prevent contact interference with the groove.
Or a storage case for a disk cartridge according to 2 or 3.