JP3278357B2 - Disk cartridge storage case - Google Patents

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 containing a disk-shaped information recording medium, and more particularly to a disk cartridge for storing a mini disk cartridge containing a magneto-optical disk having a diameter of 2.5 inches. Regarding storage case.

[0002]

2. Description of the Related Art A disk cartridge has an information recording medium, such as a magnetic disk, an optical disk, and a magneto-optical disk, built in the cartridge. As these disk cartridges, mini-disk cartridges (hereinafter, referred to as MD cartridges) having a built-in mini-disk of 2.5 inches in diameter, called MD, have been put to practical use. By the way, the MD cartridge has a storage case as shown in FIG. 5 for protecting the whole cartridge from external impact and preventing dust from entering the cartridge to make storage and carrying easy and reliable. It is common to use 61.

[0005] As shown in FIG.
Reference numeral 1 denotes a housing in which a cartridge storage space 63 formed of a thin parallelepiped is formed for storing the MD cartridge 60, and an opening 62 for storing the MD cartridge 60 is opened on one surface. ing. Further, arch-shaped spring members 65, 65 are disposed on both side walls 64, 64 forming the cartridge storage space 63.
Further, at least the upper wall is formed of a transparent resin (for example, polycarbonate, polystyrene, AS resin, or the like).

The spring members 65, 65 protrude toward the storage space 63, and when the MD cartridge 60 is inserted into the storage space 63 from the insertion port 62, recesses on both side walls of the MD cartridge 60 are provided. 60a, 60a elastically engages. As a result, the MD cartridge 60 is held so as not to accidentally come out of the storage case 61.

[0005]

By the way, in order to arrange an index sheet for describing the recorded contents of the disc in the storage case 61, the insertion slot 6 is required.
The index sheet must be inserted into the storage space 63 from 2 to narrow. However, if a large index sheet is pressed into the storage space 63 so as to prevent the inserted index sheet from dropping off easily, the insertability of the index sheet is reduced and the usability is deteriorated. On the other hand, if a small index sheet is inserted into the storage space 63 in order to facilitate insertion of the index sheet into the storage space 63, the index sheet easily falls off. Therefore, conventionally, an index sheet is attached to the outer surface of the storage case 61 as an attachment seal.

However, when the index is attached to the outer surface of the storage case 61, there is a problem that the index is easily stained and the written items cannot be read. Accordingly, an object of the present invention is to solve the above-described problems, and to provide a disk cartridge storage case that can easily arrange an index sheet in a storage case and that can prevent easy dropout. is there.

[0007]

SUMMARY OF THE INVENTION The above object of the present invention includes a housing having between the disk cartridge storage empty, is constituted by a lid which is provided to freely open and close the storage case body and the storage case body, When the storage case body and lid are closed
Insertion opening of the disc cartridge communicating with the storage space
A disk cartridge storage case but is formed, the ends of the index sheet which the cover is plugged into the housing case main body in a state of being opened, the insertion opening of the bottom wall portion of the storage case body Is positioned at a predetermined position by contacting a step portion provided on the side, and the storage case body is
It has a case rear wall provided on the side opposite to the insertion port side.
And the lid overlaps the inside of the case rear wall.
It has a lid rear wall that fits and is arranged in the storage space
A bent part on the opposite side of the index sheet from the insertion port side
Are formed in the storage case body so as to be rotatable.
The folded part is closed by closing the held lid.
The disk cartridge storage case is characterized in that the disk cartridge storage case is sandwiched and fixed between the case rear wall and the lid rear wall .

That is, according to the above configuration, the index sheet can be easily arranged in the storage space by opening the storage case main body and the lid, and by closing the storage case main body and the lid. The index sheet is pinched and fixed, so that it can be prevented from falling off easily. Preferably, the stepped portion is formed except for a portion through which a corner of a shutter of the disc cartridge passes when the disc cartridge is inserted. Therefore, when the disc cartridge is inserted into the disc cartridge storage case, the The corner of the shutter does not contact the step, and the disc cartridge can be inserted smoothly.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of a disk cartridge storage case according to the present invention will be described in detail with reference to the accompanying drawings. FIG. 1 is an overall perspective view showing a state in which an MD cartridge storage case according to a first embodiment of the present invention is opened, and FIG. 2 is an explanatory diagram in which an index sheet is arranged in the MD cartridge storage case shown in FIG. FIG. 3 is an overall perspective view showing a state where the MD cartridge storage case shown in FIG. 1 is closed.

[0010] As shown in FIG.
MD cartridge storage case 1 (see FIG. 3)
Is a housing composed of the storage case body 3 and the lid 15 provided on the storage case body 3 so as to be openable and closable, and is formed as a thin parallelepiped. The storage case body 3
A bottom wall 4 having a curved concave portion 4a formed at the front end;
Case side walls 5, 5 erected on both side ends of the bottom wall 4,
The case rear wall 6 erected at the rear end of the bottom wall 4 defines a cartridge storage space 7 which is a storage space for a disk cartridge whose upper part is open.

A step 4b is formed along the front end of the bottom wall 4 on which the curved concave portion 4a is formed. The stepped portion 4b is for positioning the index sheet 40 in the cartridge storage space 7 by abutting the leading end of the index sheet 40 inserted into the storage case body. The height (h) of the step portion 4b depends on the thickness of the paper used for the index sheet, but is 0.05 mm ≦ h ≦ 0.6 mm, more preferably 0.1 ≦ h ≦ 0.5, and most preferably. 0.
It is preferable that 15 ≦ h ≦ 0.4 mm. Paper thickness is 0.1 ~
This is because 0.25 mm is generally used, and if h is less than 0.05 mm, the positioning function cannot be performed. If h is larger than 0.6 mm, the structure of the case itself must be increased accordingly. Further, the step portion may have a chamfered structure. Since the stepped portion 4b is formed except for both end portions 4c, 4c at the front end of the bottom wall portion 4, the MD portion is formed.
When inserting / removing the cartridge 2 into / from the MD cartridge storage case 1, there is no problem that the corner 2d (see FIG. 3) of the shutter 2c is caught and the smooth insertion / removal is prevented. The length of both ends 4c can be set arbitrarily within a range where the corner 2d does not interfere.

The cartridge storage space 7 is substantially equal in size to the MD cartridge 2. The case side walls 5 and 5 have a rotating shaft 8 protruding from an inner surface of a front end and locking portions 9 and 9 formed on an inner surface of a rear end. The case rear wall portion 6 has a concave portion 11 formed so that a finger can be hung thereon.

The lid 15 is made of a transparent resin, and has an upper wall 16 covering the upper part of the storage case main body 3, and stands upright on both side ends of the upper wall 16 to overlap the inside of the case side walls 5, 5. It has lid side walls 17, and a lid rear wall 18 erected at the rear end of the upper wall 16 and overlaps the inside of the case rear wall 6. The front end of the upper wall 16 has a curved concave portion 16.
a is formed.

The lid side walls 17, 17 are engaged with holes 19, 19 into which the rotating shafts 8, 8 of the case side walls 5, 5 are fitted, and the lid 15 is locked in a state of being closed in the storage case main body. MD
Stopper member 20 for holding cartridge in storage space
And The stopper member 20 includes a release knob portion 22 formed on the front surface, lock claws 23 formed on both sides of the release knob portion 22, an MD cartridge holding portion 24 formed on the back surface, and the stopper member 2.
And elastic portions 28, 28 which are elastically deformable in the zero operation direction.

Next, a case where the index sheet 40 is stored in the MD cartridge storage case 1 will be described. First, as shown in FIG. 2A, when the front end 40 c of the index sheet 40 is applied to the bottom wall 4 of the storage case body 3,
The leading end 40c of the index sheet 40 slides in the direction of the arrow. Then, as shown in FIG. 2B, the front end 40 c of the index sheet 40 comes into contact with the step 4 b of the bottom wall 4.
Thereafter, the index sheet 40 having the L-shaped cross section is lowered until the bent portion 40a side of the index sheet 40 comes into contact with the bottom wall portion 4, and as shown in FIG. It is arranged in the cartridge storage space 7. That is, the tip end 40c of the index sheet 40 is positioned in contact with the step portion 4b during storage, so that the index sheet 40 does not slide down from the bottom wall portion 4 to take time for storage.

Next, the lid 15 shown in FIG.
When it is rotated around the center 8 and closed to the case housing 3, the lock claws 23, 23 come into contact with the inner surface of the case side wall 5, and the stopper member 20 enters the inside of the case side wall 5. In this case, the elastic portions 28, 28 are elastically deformed in the direction of the cartridge storage space of the storage case body 3. Then, when the lock claws 23, 23 get over the case side wall portion 5, they are fitted into the locking portions 9, 9 shown in FIG. 3 by the urging force of the elastic portions 28, 28. As a result, the lid 15 is kept closed by the storage case body 3.

At this time, the bent portion 40a of the index sheet 40 is sandwiched between the outer surface of the lid rear wall portion 18 and the inner surface of the case rear wall portion 6, and both side portions 40b, 40b are formed on the lid side wall portions 17,17. And the bottom wall 4 of the storage case body 3. Thereby, the index sheet 40 is held in the cartridge storage space 7.

Next, a case where the MD cartridge 2 is stored in the MD cartridge storage case 1 will be described. As shown in FIG. 3, the MD cartridge 2 is inserted into the cartridge storage space 7 from the insertion slot 25 with the lid 15 closed in the storage case main body 3. The distal end corners 2a of the inserted MD cartridge 2 are
(See FIG. 1), and the MD cartridge holder 24
Push outward.

Here, the step 4b provided on the bottom wall 4 is formed so as to avoid the front ends 4c, 4c (see FIG. 1) of the front end of the bottom wall 4, so that the MD cartridge 2 is used as the MD cartridge. It does not hinder the passage of the corner 2d of the shutter 2c when inserted into the storage case 1. When the MD cartridge 2 is further inserted from this position, the MD cartridge holding portion 24 enters into the concave portions 2b, 2b (only one is shown) formed on both sides of the distal end portion of the MD cartridge 2.
Thus, the MD cartridge 2 is held so as not to fall out of the cartridge storage space 7.

As described above, the concave portion 2 of the MD cartridge 2
The stopper member 20 is also fixed at the same time as the MD cartridge holding portion 24 enters the b and 2b. Therefore, even if the user pushes the release knob 22 of the stopper member 20 with his / her finger, it cannot be pushed. Thereby, when the MD cartridge 2 is inserted into the MD cartridge storage case 1, the lid 15 does not open from the storage case main body 3.

Next, an MD cartridge storage case according to a second embodiment of the present invention shown in FIG. 4 will be described. In the first embodiment, the case where the step portion 4b is formed along the front end including the curved concave portion 4a of the bottom wall portion 4 has been described.
As in the second embodiment shown in FIG. 7, the steps 50, 50 may be formed only at the front end of the bottom wall 4 avoiding the recess 4a. Also in this case, since the leading end 40c of the index sheet 40 can abut the step 50 as in the first embodiment, the index sheet 40 can be easily arranged in the cartridge storage space 7.

The structure of the MD cartridge storage case 51 will be described below with reference to FIG. In FIG. 4, the same components as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted. The MD cartridge storage case 51 includes lock claws 52, 52 that are bent in a substantially rectangular shape so that the bent portion protrudes inward. The lock claws 52, 52 have base ends 52 a, 52 a integrally connected to the lid side walls 17, 17. Tip portions 52b, 52b of lock claws 52, 52
Can be engaged with the locking recesses 53 of the case side walls 5.

Next, the operation of the MD cartridge storage case 51 will be described. As described above, after the leading end portion 40c of the index sheet 40 abuts on the step portion 50 to position the index sheet 40 in the cartridge storage space 7, the lid 15 is closed. In this state, when the MD cartridge 2 is not stored in the cartridge storage space 7,
The distal ends 52b, 52b of the lock claws 52, 52 fit shallowly into the locking recesses 53, 53. Therefore, the lid 15 can be opened by putting a finger on the concave portion 11 of the case rear wall 6 and the finger hooking ridge 54 of the lid rear wall 18 and pulling the ridge 54 upward. At the upper end of the case rear wall 6, a fitting concave portion 56 into which the finger hooking ridge 54 is fitted is formed.

On the other hand, when the MD cartridge 2 is stored in the cartridge storage space 7, the lock claws 52, 52 are pushed outward by the concave portions 2b, 2b of the MD cartridge 2, so that the distal ends 52b of the lock claws 52, 52. , 52b
Fits deeply into the locking recesses 53, 53. Therefore,
The lid 15 cannot be opened even if a finger is hung on the concave portion 11 of the case rear wall 6 and the finger hooking ridge 54 of the lid rear wall 18 and the ridge 54 is pulled upward.

The disk cartridge storage case according to the present invention is not limited to the MD cartridge storage case in each of the above embodiments, but may be a storage case for another disk cartridge such as a 3.5-inch floppy disk or optical disk. Of course, it can be applied to Also, the shape of the lid and the storage case main body, the stopper member 20, the elastic locking portion 52, the locking portion 9, and the locking concave portion 53 are provided.
The shape of the cover 15 or the storage case body 3 of the above embodiment is
It is needless to say that the present invention is not limited to this shape, and can take various forms.

[0026]

As described above, according to the disk cartridge storage case of the present invention, the step for positioning the index sheet inserted into the storage case main body at a predetermined position is provided at the front end of the bottom wall of the storage case main body. Therefore, the index sheet can be easily arranged in the storage space by opening the storage case body and the lid. And
By closing the storage case body and the lid, the index sheet can be pinched and fixed to prevent the index sheet from easily falling off. Thus, it is possible to provide a good disk cartridge storage case that can easily arrange the index sheet in the storage case and can prevent the index sheet from falling off easily.

[Brief description of the drawings]

FIG. 1 is an overall perspective view showing a state where an MD cartridge storage case according to a first embodiment of the present invention is opened.

FIG. 2 is an explanatory diagram of a case where an index sheet is arranged in an MD cartridge storage case shown in FIG.

FIG. 3 is an overall perspective view showing a state where an MD cartridge storage case shown in FIG. 1 is closed.

FIG. 4 is an overall perspective view showing a state where an MD cartridge storage case according to a second embodiment of the present invention is opened.

FIG. 5 is an overall perspective view of a conventional MD cartridge storage case.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Disc cartridge storage case 2 MD cartridge 2c Shutter 2d Corner 3 Storage case body 4 Bottom wall 4b Step 5 Case side wall 7 Cartridge storage space 15 Cover 17 Cover side wall 25 Insertion port 40 Index sheet

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-6-247485 (JP, A) JP-A-6-47185 (JP, U) JP-A 63-7694 (JP, U) JP-A-6-24785 61783 (JP, U) JP-A-2-108894 (JP, U) (58) Field surveyed (Int. Cl. ⁷ , DB name) B65D 85/57

Claims (3)

(57) [Claims] 1. A housing having between the disk cartridge storage empty, is constituted by a lid which is provided to freely open and close the storage case body and the housing case main body, wherein the storage case body and the lid
Disc car that communicates with the storage space when the body is closed
A disk cartridge storage case in which a cartridge insertion opening is formed , wherein an end of an index sheet inserted into the storage case main body with the lid opened is a bottom wall portion of the storage case main body. while being positioned at a predetermined position on the stepped portion disposed on the insertion port side of the contact, the index sheet is held fixed by closing said storage case body and a lid, wherein the step portion, the disk When inserting the cartridge,
Except where the corner of the shutter of the cartridge passes
A disk cartridge storage case characterized by being formed by: 2. A storage space for storing a disk cartridge.
The housing is rotated open to the storage case body and the storage case body.
The storage case main body, comprising a lid provided so as to be capable of being closed.
Disc that communicates with the storage space when the lid and the lid are closed
Disk cartridge where the cartridge insertion slot is formed
The storage case , wherein the lid is opened and inserted into the storage case body.
The end of the inserted index sheet is
Abuts against a step provided on the insertion port side of the bottom wall of the main body;
And the storage case body is provided on the side opposite to the insertion port side.
The case has a rear wall portion, and the lid is
Has a lid rear wall that overlaps inside the rear wall,
The insertion slot of the index sheet placed in the storage space
A bent portion is formed on the side opposite to the side
Closing the lid rotatably held by the main body
The bent portion is located between the case rear wall and the lid rear wall.
It features and to Lud I disk cartridge storage case to be sandwiched and fixed. 3. The index sheet disposed in the storage space, wherein the case body has a bottom wall and a case side wall, and the lid has a cover side wall overlapping the inside of the case side wall. 3. The disk cartridge storage case according to claim 1, wherein both side portions of the disk cartridge are sandwiched and fixed between the bottom wall portion and the lid side wall portion. 4.