JP3359841B2 - Disk case for storage - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a compact disk (CD) and a digital video disk (DVD).
More specifically, the present invention relates to a disk case that exposes the recording surface of the disk, enables the case to be set in an apparatus, and reduces the storage space.

[0002]

2. Description of the Related Art Conventionally, a box-shaped case with a lid has been used. However, since the drive hole at the center of the disk is fixed, the case becomes thick and requires a considerable space for storage. . For example, a general CD case has a thickness of 10 mm. Also, in order to remove the disk from the case, both hands were required to lift the disk while pressing the center with a finger. At the site where a CD is played, the recording surface is placed on a surrounding table or the like with the recording surface facing upward to prevent dust or the like from adhering to the recording surface. In that case, the title of the CD could not be confirmed. Further, in a storage device for storing a large number of disks as they are, it is necessary to use a semicircular take-out device or the like adapted to the shape of the disk so as not to damage the recording surface, and the mechanism for extracting the disks has become complicated. .
SUMMARY OF THE INVENTION It is an object of the present invention to provide a thin storage disk case for exposing a recording surface of a disk such as a CD or DVD and protecting the recording surface. Another object of the present invention is to provide a thin storage disk case that can be easily pulled out when a disk is set in the apparatus.

[0003]

In order to achieve the above object, the storage disk case according to the present invention has a circular hole having a diameter slightly larger than the outer shape of the disk for exposing the disk recording surface. A disk case for storage constituted by a pair of case members having a rectangular structure, wherein the height of the inner periphery of the circular hole in which the outer peripheral surface of the disk is located is approximately half the thickness of the disk, In order to guide a step formed so as to protrude in the center direction from a part of the inner periphery, a plurality of drawing holes formed in an outer edge portion facing the drawing direction of the disk, and a disk drawing claw on the disk drawing device side, A cut-out portion formed between the case end face and the draw-out hole, open to the case end face and connected to the draw-out hole, and a disc holding portion provided at a position facing the inner periphery of the circular hole portion. Characterized by holding the disc in the case by applying pressure to the disc outer peripheral portion of the disk outer peripheral portion with pinch off and disk pressing section between the step when superimposed both case members.

[0004]

According to the present invention, in a device for storing a large number of sheets, a storage, and a storage room, the size and the capacity of the device can be reduced by the thin case. In addition, the four corners of the case can be directly grasped by a finger, and a reference number or the like can be described, which facilitates handling. In addition, since the disk recording surface is located inside the case surface by a step difference, it can be placed directly on a desk or the like,
Stacking with other disk cases is also possible. Also,
The disc is protected if it is accidentally dropped on the floor. Ma
Also, sandwich the disc outer periphery between the steps and press the disc
The outer part of the disc is pressed against the
Since the disc is securely held , the disc is stably held in the case and does not rotate. In the method of rotating the entire disk case, rotation unevenness does not occur, and stable reproduction of data and the like can be performed. Furthermore, a drawer hole is provided at the outer edge of the case, and the case is opened at the end face of the case.
Since the cut-out portion is provided continuously with the drawer hole, a relatively simple drawer having two metal claws or the like makes it possible to take out a large amount of stocked disk cases.

[0005]

Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a plan view of one side of a disk case, and FIG. 2 is a side view. The disk case 1 has a rectangular structure formed by plastic molding, and includes a compact disk (CD) and a digital video disk (DV).
D) two thin case members 2 for holding the outer periphery of a disk (hereinafter referred to as “CD”) from both sides.
(2a, 2b). A circular hole 3 having a diameter slightly larger than the outer shape of the CD is provided inside the case member 2, and an annular step 4 shown in FIG. . The height of the inner circumference excluding the annular step 4 is almost half the thickness of the CD. Accordingly, when the two case members 2a and 2b are overlapped with the surface having the annular step 4 outside, the interval between the annular steps 4 of each member is substantially equal to the thickness of the CD.

One of the case members shown in FIG. 1 is provided with a rectangular drawing hole 5 at an outer edge portion (a front side and a rear side) facing the CD drawing direction. The drawer holes 5 are arranged one by one at positions near the adjacent sides. As shown in FIG. 4, a cutout 6 is formed on the outer surface of the case between the end face of the case member 2 and the drawing hole 5 and is open to the end face and connected to the drawing hole 5. The excision part 6 acts so as to guide a claw provided on the drawer device described later. On both sides of the two case members 2a and 2b, notches 7 open to the side end surface and the inner surface of the case are provided facing each other at a location close to the corner, and when the two case members 2a and 2b are disengaged from the joined state. A driver insertion recess 8 for inserting a screwdriver into the device is formed. At the four corners, a joining projection 9 and a joining recess 10 are integrally formed at diagonal positions, and the joining projection 9 is slotted 9 as shown in FIG.
a is added to provide inward elasticity and has a large-diameter upper end. At the time of assembling the two case members 2a and 2b, when the joining projection 9 is pushed into the joining recess 10, the outer periphery of the upper end abuts against the inner surface of the joining recess 10 to be deformed inward, and the restoring force causes the joining projection 9 to return. And the joint concave portion 10 are engaged and locked.

A structure in which both case members are overlapped and joined will be described. In FIG. 1, each case member 2
An engagement piece 11 and an engagement recess 12 are provided near the drawer hole 5 of a and 2b. An engaging piece 11 and an engaging concave portion 12 are diagonally arranged at one end of one side of the case member and an end of the opposite side, and are locked and joined at four positions. Figure 6 shows one joint
This will be described below. In one of the case members, an engagement recess 13 is formed in an engagement recess 12 in which a part of an end face is cut off, and in the other case member, an engagement piece 11 inserted into the engagement recess 12 protrudes from the end face. Is formed. As shown in FIG. 7, the engaging piece 11 is formed with a projection 14 which is locked by the engaging recess 13 of one of the case members. When the case members 2a and 2b are overlapped in the direction of the arrow shown in the drawing, the projections of the engagement pieces engage with the engagement recesses, and the two case members are joined. In order to prevent the rotation of the CD held between the case members, disc holding portions 15 and 16 are provided on a part of the inner periphery of the circular hole 3 as shown in FIG. As shown in FIG. 8, the disc holding portions 15 and 16 are sandwiched inside the annular step 4 of the two case members, pressed against the outer peripheral surface of the CD, and firmly held.

In FIG. 9, disc holding parts 15, 16
Is provided on the inner periphery of the circular hole 3 of the case member so as to face the CD withdrawal direction, and a part thereof is fitted into a place depressed from the inner peripheral surface and is positioned so as not to move ( (See FIG. 1). The disk holding part is a movable disk holding part 15 made of an elastic material such as rubber sponge, plastic, or spring, and the other is a fixed disk holding part 16 made of a hard material such as plastic. The fixed disk holding portion 16 serves as a balance weight for balancing the rotation when the disk case rotates at a high speed. As shown in FIG. 10, the disc holding portion is formed in a half-moon shape in accordance with the inner peripheral curved surface of the circular hole of the case member 3.
It is fixed to the concave portion on the disk case side with an adhesive or the like.

Next, the manner of assembling and using the disk case will be described. The outer peripheral portion of the CD is placed on the annular step of the circular hole of one of the case members. In this CD mounting operation, first, the outer peripheral portion of the CD is brought into contact with the movable disk pressing portion, and is further pushed into the inside of the opposed fixed disk pressing portion. Thereafter, the pressing force is released and the disk is released by the disk pressing portion. Hold. The other case member is overlapped with the engagement piece and the engagement recess, and the joining protrusion is fitted into the joining recess at the four corners. Then, the two case members are pushed together so that the projection of the engagement piece is engaged with the engagement recess of the engagement recess, thereby completing the disc case. FIG. 1 shows an example of a disk drawer provided in a disk reproducing device or a storage device.
It is shown in FIG. The disk drawer 20 is the disk case 1
The claw 21 is locked on the draw-out hole 5 of the disk case 1 and then the claw 21 is retracted and pulled out.

When the disk case 1 is disassembled, a flathead screwdriver 30 is inserted into the driver insertion recess 8 provided on the side surface of the disk case 1 and rotated, whereby the joint between the case members is released. That is, the rotation of the driver 30 disengages the projections of the case members 2a and 2b from the engagement recesses and lifts them up, so that the two case members can be easily separated with both hands. Insert your finger into the center hole of the CD and remove it while pressing it on the cushion side (movable disc holder). Since the disk can be easily removed from the disk case in this manner, the present invention can be applied to general equipment in which only the disk is set. This embodiment is a CD
Can be set in the disc reproducing apparatus while the disc is kept in the disc case, so that information can be written using the surface portion of the disc case. The embodiment shown in FIG. 12 is the case surface 1 near the four corners of the disk case.
A has been subjected to a writable surface treatment.

According to the present embodiment, for example, when the disk thickness is 1.2 mm and the thickness of one side of the case is 1.1 mm, the case thickness is reduced to 2.2 mm. For the purpose of storage only, the use of a thin case is the simplest method, and a large amount of CDs or the like can be safely stored in a minimum space. In particular, the thickness of the case can be reduced to 2.5 mm or less, so that four times the number of normal CD cases can be stored. When a storage shelf for the disc case is provided in a room for mass storage, it is desirable to install an air purifier because the recording portion is exposed. The four corners of the case can be directly gripped with a finger, and a reference number or the like can be described, which facilitates handling.

Since the disk recording surface is located inside the case surface, it can be placed directly on a desk or the like, and can be stacked with another disk case. Also, if the disk is accidentally dropped on the floor, the disk is protected. During the performance preparation, several CDs can be held by a simple book-stand-like instrument, and the recording surface is protected. The case can be taken out with one hand. This case can of course be used for a double-sided recording type disc. In the case of a double-sided disc, this case makes it possible to confirm by displaying the title and the A and B sides.

[0013] In a disk reproducing apparatus having no obstruction when the case rotates (equipment designed to have no obstruction in the diagonal range of the case), it is rotated in a hole for driving the disk while being stored in the case and used as usual. it can. In the case of a method in which the read head of the reproducing / recording device is rotated, the case can be used while being stationary. In the case of the reproduction by this method, the head readout speed can be shortened by increasing the rotation of the head portion to the initial readout speed in synchronization with the start of the disk ejection. Furthermore, in recording / reproducing a disc, the handling of the disc can be simplified, the search time can be reduced, and the size of the continuous playing device can be reduced.

[Brief description of the drawings]

FIG. 1 is a plan view of one side of a storage disk case of the present invention.

2 shows a side view of FIG. 1, (1) is a right side view,
(2) is a left side view.

FIG. 3 is a sectional view taken along line AA of FIG.

FIG. 4 is an enlarged perspective view of B in FIG. 1;

FIG. 5 is a sectional view of a concave / convex engaging portion.

FIG. 6 is a perspective view of a joint.

FIG. 7 is a sectional view taken along line DD of FIG. 6;

FIG. 8 is a sectional view taken along the line CC of FIG. 1;

FIG. 9 is an enlarged cross-sectional view of a disc holding portion.

FIG. 10 is a perspective view of a disc holding member.

FIG. 11 is a perspective view showing a schematic configuration of a disk case and a drawer according to the present invention.

FIG. 12 is a perspective view for explaining another mode of the disc case.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Disc case, 2 ... Case member, 3 ... Circular hole,
Reference numeral 4 denotes an annular step, 5 denotes a draw-out hole, 8 denotes a driver insertion concave portion, 9 denotes a joining convex portion, 10 denotes a joining concave portion, 11 denotes an engaging piece, 12 denotes an engaging concave portion, and 15 and 16 denotes a disk pressing portion and 2.
0: drawer device, 21: claw, 30: driver

──────────────────────────────────────────────────続 き Continued on the front page (58) Fields surveyed (Int. Cl. ⁷ , DB name) G11B 23/00-23/03 B65D 85/57

Claims (1)

(57) [Claims] (1)To expose the disc recording surface,
A circular hole with a diameter slightly larger than the disk outer shape was formed.
Storage device composed of a pair of rectangular case members
Disk case, The case member has a circular hole in which the disk outer peripheral surface is located.
Make the height of the inner circumference of the
A step formed from a part of the inner circumference to the center and
Multiple formed on the outer edge facing the disk
Drawer hole and the disk drawer on the disk drawer side
To guide the claw, the case end face and the drawer hole
Formed at the end of the case and open to the end face for drawing out
A cut portion connected to the hole, and an opposing position of the inner periphery of the circular hole portion;
And a disc holding part provided in the When the two case members are overlapped, a gap is formed between the steps.
Insert the disc outer periphery and press the disc
Hold the disc in the case by pressing the outer periphery
To A storage disk case characterized by the above-mentioned.