JPH1059458A - Disk cartridge storing case - Google Patents

Abstract

PROBLEM TO BE SOLVED: To arrange an index sheet easily within a storing case and also to prevent the easy fall out of the index sheet. SOLUTION: A housing having a disk cartridge storing space and a disk cartridge insertion opening communicating with the storing space is made up of a storing case main body 20 and a cover body 10 provided freely openable on the storing case main body 20. By closing the storing case main body 20 and the cover body 10, an index sheet placed in the storing space is held and fixed. As to turning axis C of the cover body 10, distance L3, L2 between side end parts 11a, 12a of the insertion opening of the cover body 10 and the turning axis C is set smaller than the distance L1 between a bottom wall face 21 of the case main body 10 and the turning axis C.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disk cartridge storage case, and more particularly, to a cover body rotatably supported by a case body so as to be openable and closable, so that an index sheet can be easily stored. The present invention relates to a disk cartridge storage case.

[0002]

2. Description of the Related Art Disk cartridges have a disk-shaped information recording medium such as a magnetic disk, an optical disk and a magneto-optical disk built in the cartridge.
Along with the fact that information can be recorded on a recording medium at a high density, a mini-disc cartridge (hereinafter referred to as an MD cartridge) containing a mini-disc having a diameter of 2.5 inches has been widely used for recording and reproducing music. It is supposed to be. Incidentally, the MD cartridge has a storage case as shown in FIG. 4 in order to protect the entire cartridge from external impacts, prevent dust from entering the cartridge, and make storage and carrying easy and reliable. It is common to use 41.

[0003] As shown in FIG.
1 is an MD cartridge 2 containing a magneto-optical disk 1
In this case, a cartridge housing space 43 formed in a thin parallelepiped is formed, and an insertion opening 45 for housing the MD cartridge 2 is opened on one surface. Also, arch-shaped spring members 46, 4 are provided on both side walls 44, 44 forming the cartridge storage space 43.
6 are provided. Further, at least the upper wall 47 is made of a transparent resin (for example, polycarbonate, polystyrene,
AS resin).

The spring members 46, 46 project toward the storage space 43, and insert the MD cartridge 2 into the insertion port 4.
When the MD cartridge 2 is inserted into the storage space 43 from the space 5, it is elastically engaged with the concave portions 2a, 2a on both side walls of the MD cartridge 2. Thereby, the MD cartridge 2 is stored in the storage case 41.
It is held so that it does not accidentally escape from the inside.

[0005]

By the way, in order to arrange an index sheet for describing the recorded contents of the disk in such a storage case 41, the insertion slot 4 is required.
From 5, the index sheet must be inserted into the narrow storage space 43. However, if a large index sheet is pressed into the storage space 43 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 43 in order to easily insert the index sheet into the storage space 43, the index sheet easily falls off. Therefore, conventionally, an index sheet is attached to the outer surface of the storage case 41 as an attachment seal.

However, if the index is attached to the surface of the storage case 41, there is a problem that the index is easily stained, and the description 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 It is an object of the present invention to provide a housing having a storage space for a disk cartridge and an insertion opening for a disk cartridge communicating with the storage space. A disk cartridge storage case comprising a freely provided lid, wherein the index case disposed in the storage space is clamped and fixed by closing the storage case body and the lid, Is set so that the distance between the insertion port side end of the lid and the rotation axis is smaller than the distance between the bottom wall surface of the case body and the rotation axis. This is achieved by a storage case for a disk cartridge characterized by the following.

That is, according to the above configuration, the index sheet can be easily arranged in the storage space by opening the storage case body and the lid. Further, when the lid is opened, the insertion port side end of the lid does not interfere with the inner wall surface of the case body, so that the lid can be reliably opened to a desired angle. Then, by closing the storage case body and the lid, the index sheet is pinched and fixed, so that easy dropping can be prevented.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a disk cartridge storage case according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. FIG. 1 is an exploded perspective view of an MD cartridge storage case according to the present invention, FIG. 2 is an overall longitudinal sectional view for explaining an opening / closing operation of a lid shown in FIG. 1, and FIG. 3 is an enlarged view of a main part of FIG. FIG.

As shown in FIG. 1, the MD cartridge storage case 100 of the present embodiment includes a storage case main body 20 and the storage case 20 so as to form a storage space capable of storing the MD cartridge 2 shown in FIG. It is a housing composed of a case body 20 and a lid 10 provided to be openable and closable, and can store an index sheet 30 that describes the contents of information recorded on the MD cartridge 2.

The lid 10 is a transparent member injection-molded from a resin material, is rotatably supported by the storage case main body 20, and has an upper wall 11 that covers an upper portion of the storage case main body 20. A pair of left and right lid side walls 12 and 13 and a lid rear wall 14 erected on both side ends and a rear end of the upper wall 11 are provided. The portion where the lid side walls 12 and 13 and the lid rear wall 14 are not provided forms an insertion opening for inserting the MD cartridge 2 into the storage space.

Further, the pair of left and right lid side walls 12, 13 are provided.
A pair of left and right elastic locking pieces 15 for locking the lid 10 to the storage case main body 20 when the lid 10 is closed with respect to the storage case main body 20 are formed. A pair of left and right support shafts 16 coaxial with each other are provided on the outer surfaces of the front ends of the pair of left and right lid side wall portions 12 and 13 so as to rotatably support the lid body 10 with respect to the storage case body 20. Each is protruding.

The storage case body 20 is also a member formed by injection molding from a resin material, and has a rectangular bottom wall 21.
And case side wall portions 22 and 23 and a case rear wall portion 24 erected on both side ends and a rear end of the bottom wall portion 21. Then, portions where the case side wall portions 22 and 23 and the case rear wall portion 24 are not provided form an insertion port for inserting the MD cartridge 2 into the storage space.
When the lid 10 is closed with respect to the storage case main body 20, the case side walls 22, 23 and the case rear wall 24 are formed on the lid side walls 12, 13 of the lid 10.
And the lid rear wall portion 14 is housed inside.

Further, a pair of left and right case side walls 22, 2 are provided.
3, a pair of engagement recesses 2 is provided on the inner surface near the rear wall 24 of the case.
5 and 25 are recessed so as to face each other. When the lid 10 is closed and the MD cartridge 2 is inserted, the pair of left and right elastic locking pieces 15 are pressed and urged to engage with the engagement recesses 25, 25, respectively, so that the lid 10 and the storage The case body 20 is held in a closed state. Further, a pair of left and right shaft support holes 26 in which the support shafts 16 of the lid body 10 are respectively fitted are recessed in the inner surfaces of the front end portions of the pair of left and right case side walls 22 and 23.

The front edge 11a of the upper wall 11 has
The notch 11b is formed, and the bottom wall 21 is formed.
A notch 21b is formed in the front edge 21a of the first member. Therefore, when the MD cartridge 2 is stored in the MD cartridge storage case 100, the MD cartridge 2 can be easily removed by grasping the rear end in the insertion direction.

As shown in FIG. 1, the index sheet 30 is formed by folding paper cut into a predetermined shape into an L-shaped cross section, and can be in close contact with the inner wall surface of the bottom wall 21 of the storage case body 20. Body part 31 and storage case body 20
Back cover part 3 that can be in close contact with the inner wall surface of the case rear wall part 24
And 2. And this index sheet 3
0, when the lid 10 is closed with respect to the storage case main body 20, the spine portion 32 is sandwiched between the lid rear wall portion 14 and the case rear wall portion 24, and both side portions 31a, 31
a is sandwiched between the lid side walls 12 and 13 and the bottom wall 21 of the storage case body 20. Thus, even if the MD cartridge 2 is inserted into or removed from the MD cartridge storage case 100, the index sheet 30 is
It is not dragged out by friction with the cartridge 2.

Next, a characteristic portion of the MD cartridge storage case 100 of the present embodiment will be described with reference to FIGS. The cover body 10 is rotatably supported by the storage case body 20 by fitting the support shaft 16 into a shaft support hole 26 of the storage case body 20 as shown in FIG. Then, from the completely closed position to the completely opened position with respect to the storage case main body 20, it is rotatable over 180 degrees.

That is, as shown in an enlarged view in FIG. 3, when the lid 10 is rotated around the rotation axis C with respect to the storage case body 20, the lid at the insertion opening side end of the lid 10 is provided. The rear end corner 12a of the side wall 12 and the front edge 11a of the upper wall 11 are
The dimensions of each part are set so as not to interfere with the inner wall surface of the bottom wall part 21 of the storage case body 20. Therefore, the shortest distance between the rotation axis C and the inner wall surface of the bottom wall 21, that is, the length of a perpendicular drawn from the rotation axis C to the inner wall surface of the bottom wall 21 is L 1, and the rotation is The distance between the axis C and the rear end corner 12a of the lid side wall 12 is L2, and the distance between the rotation axis C and the front edge 11a of the upper wall 11 is L.
3, the position of the rotation axis C is determined so as to satisfy the relationship of L1> L2 and L1> L3. Alternatively, the position of the rotation axis C is determined in advance. That is, the dimension of L1 is determined and the dimensions of L2 and L3 are determined so as to satisfy the above relational expression. The rear end corner 12a of the lid side wall 12
By having an R shape, the substantial distance L2 can be reduced.

Accordingly, in the MD cartridge storage case 100 of the present embodiment, when the lid 10 is rotated around the rotation axis C from the closed state and opened, the bottom wall 21 of the storage case main body 20 is opened. Since the insertion port side end of the lid 10 approaching the front does not interfere with the inner wall surface of the bottom wall 21, the lid 10 is completely opened over 180 degrees or more as shown in FIG. Can be done. Thus, according to the MD cartridge storage case 100 of the present embodiment, the index sheet 30 can be easily stored in the MD cartridge storage case 100.

Further, in the MD cartridge storage case 100 of the present embodiment, interference between the lid 10 and the storage case main body 20 can be prevented by appropriately setting the position of the rotation axis C of the lid 10 as described above. I was able to avoid
There is no need to shorten the end of the lid 10 on the insertion opening side toward the front end of the case, and the upper wall 11 of the lid 10 completely covers the MD cartridge 2 and can be reliably protected.

It should be noted that the disk cartridge storage case according to the present invention is not limited to the MD cartridge storage case in the above-described embodiment, but is used for storing other disk cartridges such as 3.5-inch floppy disks and optical disks. Of course, it can be applied to the case. Further, the shapes of the lid and the storage case main body are not limited to the shapes of the lid 10 and the storage case main body 20 of the above embodiment, and it goes without saying that various shapes can be adopted.

[0022]

As is apparent from the above description, in the disk cartridge storage case of the present invention, the index sheet can be easily arranged in the storage space by opening the storage case body and the lid. Furthermore,
When the lid is opened, the insertion port side end of the lid does not interfere with the inner wall surface of the case body, so that the lid can be reliably opened to a desired angle. Then, by closing the storage case body and the lid, the index sheet is pinched and fixed, so that easy dropping can be prevented. Therefore, it is possible to provide a 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 exploded perspective view of an MD cartridge storage case according to the present invention.

FIG. 2 is an overall longitudinal sectional view for explaining an opening / closing operation of a lid shown in FIG. 1;

FIG. 3 is an enlarged longitudinal sectional view showing a main part of FIG. 2;

FIG. 4 is an overall perspective view of a conventional MD cartridge storage case.

[Explanation of symbols]

 2 MD Cartridge 100 MD Cartridge Storage Case 10 Lid 11 Upper Wall 12, 13 Lid Side Wall 12a Rear End Corner 14 Lid Rear Wall 16 Support Shaft 20 Storage Case Main Body 21 Bottom Wall 22, 23 Case Side Wall 24 Case Rear wall 25 Engagement recess 26 Shaft support hole 30 Index sheet 100 MD cartridge storage case C Rotation axis

Claims (1)

[Claims] 1. A housing provided with a storage space for a disk cartridge and an insertion opening for a disk cartridge communicating with the storage space, comprising a storage case main body and a lid provided to be openable and closable in the storage case main body. A disc cartridge storage case, wherein the index case disposed in the storage space is clamped and fixed by closing the storage case body and the lid, and the rotation axis of the lid is inserted into the insertion of the lid. A storage case for a disk cartridge, wherein a distance between a mouth end and the rotation axis is set to be smaller than a distance between a bottom wall surface of the case body and the rotation axis.