JP2001348083A - Disk case - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a disk case which accommodates a disk such that a recording area of the disk is protected. SOLUTION: The disk case 10 has a case main body 11 and a lid 12. The case main body 11 includes a bottom plate 13, a support plate 14, a main body spacer 15, and a main body cover plate 16. The support plate 14 has an inner circular edge 25 whose inside diameter is smaller than the outside diameter of the disk D, and supports the outer circular edge D1 of the disk D with the inner circular edge 25, thereby retaining the recording area of the reading side of the disk D in a floated manner. The lid 12 also includes a spacer 20 and a cover plate 21. A recess 31 and a projection 40, which are engaged with each other, are formed in and on opposite portions of the main body spacer 15 and lid spacer 20.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a CD (compact disk), a so-called CD single, and a DVD.
The present invention relates to a disk case used for storing a media disk such as a (Digital Versatile Disk).

[0002]

2. Description of the Related Art As a case for accommodating a media disk such as a CD, for example, a plastic case in which a plastic upper case and a lower case are connected by a hinge shaft so as to be openable and closable has been generally used. In this device, a circular convex portion is formed at the center of the bottom plate of the disk accommodating concave portion of the lower case, and the hole of the central portion of the disk is fitted to this convex portion so that the reading surface of the disk is held in a floating state. I have to.

[0003]

For example, it is desired that a disc case used for music, reading materials, and the like has a beautiful design with a distinctive characteristic in order to achieve individuality with other products. If a convex portion is formed at the center of the bottom plate, the design of the case is restricted by the convex portion. In addition, the production of a plastic case having a special design has a problem in that the cost required for a molding die is extremely high, and it is not suitable for high-mix low-volume production.

In order to protect the reading surface of the disk, it is necessary to store the disk in a bag made of a protective sheet such as a non-woven fabric. . In this case, not only does the number of parts increase, but also the beautifully designed bottom plate is destroyed by the protective sheet. Further, even if the conventional plastic case is disposed of, it is necessary to consider the environment and the like, and a new problem has been raised regarding disposal.

Accordingly, an object of the present invention is to provide a disk case which can protect the reading surface of a disk without forming a convex portion at the center of the bottom plate or using a protective sheet, and can be made of paper if necessary. Is to provide.

[0006]

According to a first aspect of the present invention, there is provided a disk case, wherein a disk is inserted into a disk accommodating portion through an opening between a bottom plate and a cover plate. Fits in. The accommodated disk has its outer peripheral edge supported on the inner peripheral edge of the support plate, and the recording area on the reading surface of the disk is slightly floating from the bottom plate.

In the disk case according to the second aspect, when the lid is put on the case main body, the convex portion of the lid side spacer is fitted into the concave portion of the main body side spacer, and the convex portion is in contact with the main body side cover plate. The lid is held in place because it is sandwiched between the bottom plate. The entire disk is covered by the lid and the case body.

In the case of the disk case described above, the outer peripheral edge of the disk accommodated in the disk accommodating portion is supported by the raised printing portion, and the recording area of the disk slightly floats from the bottom plate. According to the fourth aspect of the present invention, when a disk is taken in and out, a frictional resistance is generated between both sides of the disk and the spacer near the disk opening. As a result, the disc moves with a sense of articulation such that both sides of the disc are slightly caught, and the feeling when inserting and removing the disc is improved, and the disc comes out of the case carelessly even without the lid Is avoided.

The bottom plate, the support plate, the spacer, the cover plate and the like can all be made of cardboard.
In some cases, a molded product such as integrally molding the bottom plate, the support plate, the spacer, and the like with plastic (synthetic resin) may be used, or a composite material combining paper and plastic may be used. Further, the tray including the bottom plate and the spacer may be integrally formed of transparent plastic.

According to the fifth aspect of the present invention, when the disk is inserted into the disk accommodating portion, the elastic body is pressed and bent by the side of the disk to allow the disk to be inserted, and the disk is inserted. After that, the elastic body is restored, so that the disk is prevented from coming off.

In the invention described in claim 6, since the outer peripheral edge of the disk is supported from both front and back surfaces by the disk support portion and the disk drop prevention projection, the recording area of the disk is protected and the disk is protected. Shedding is prevented. According to the seventh aspect of the present invention, the disk accommodating portion, the disk supporting portion, the leaf spring-like elastic body and the like are integrally formed on the case body made of synthetic resin.

According to the present invention, a tapered guide whose height increases from the upper surface of the bottom plate of the disk case to the upper surface of the disk support portion is provided at the end of the disk support portion on both the left and right sides of the disk loading / unloading opening. A slope part is formed. The guide slope portion has an inclined surface for guiding the outer peripheral edge of the disk so that the outer peripheral edge of the disk rides on the upper surface of the disk support portion from the bottom plate when the disk is inserted into the disk storage portion. I have.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A disk case 10 according to a first embodiment of the present invention will be described below with reference to FIGS.

A disk case 10 shown in FIG. 1 includes a case body 11 made of paper and a lid 12 made of paper. The case main body 11 is configured by stacking a bottom plate 13, a support plate 14, a main body side spacer 15, and a main body side cover plate 16 and bonding them together. The lid 12 includes a lid-side spacer 20 and a lid-side cover plate 21.

The bottom plate 13 of the case main body 11 is made of cardboard cut into a rectangular shape (a high-quality cardboard having a smooth surface and bleached or coated and suitable for printing).
Consists of Like the bottom plate 13, the support plate 14 is also made of high-quality cardboard suitable for printing, and an inner peripheral edge portion 25 having an inner diameter smaller than the outer diameter of the disk D is formed by punching a substantially circular center portion. . The inner peripheral portion 25 functions as a disk support portion, and can support the outer peripheral portion D1 of the disk D, that is, a portion outside the recording area, as shown by a two-dot chain line A in FIG. ing. The support plate 14 is fixed to the bottom plate 13 by an adhesive. A notch 2 for facilitating hooking of a fingertip on the outer peripheral edge D1 of the disk D is provided on a portion of the support plate 14 near the inner peripheral edge 25, i.e., near the hand when the disc D is taken in and out.
6 are formed. However, the notch 26 is not essential.

The main body side spacer 15 has an opening width W1 through which a disc D can be inserted and removed by punching out thick paper.
An arc (substantially semi-circular) disk accommodating portion 30 having the shape shown in FIG. 3 is formed. The size of the spacer 15 is about half of the bottom plate 13 (or a size exceeding a half of the bottom plate 13 to some extent). The spacer 15 is configured to be thicker than the thickness of the disc D by stacking a plurality of thick papers, is laminated on the rear half of the support plate 14, and is fixed by an adhesive.

The inner diameter of the inner peripheral surface (substantially semicircular) 30a of the disk housing 30 is slightly larger than the outer diameter of the disk D, so that approximately half the area of the disk D fits in the disk housing 30. This body side spacer 15
Are laminated on the support plate 14 such that the inner peripheral surface 30 a of the disk accommodating portion 30 is concentric with the inner peripheral edge 25 of the support plate 14. A pair of left and right recesses 31 are formed near the both sides of the case body 11 at the front end of the body-side spacer 15, that is, at the end facing the lid-side spacer 20. The recess 31 is recessed inside the front edge 16 a of the cover plate 16.

The body-side cover plate 16 is made of high-quality cardboard suitable for printing, like the bottom plate 13. The cover plate 16 is smaller than the bottom plate 13 and has an area capable of covering the disk accommodating portion 30. Between the front edge 16a of the cover plate 16 and the bottom plate 13, a
2 are formed. The disc D inserted into the disc accommodating section 30 through the opening 32 has approximately half of the surface D2 covered by the main body side cover plate 16. The back surface of the disk D, ie, the reading surface D3,
Covered by bottom plate 13.

As shown in FIG. 3, the disk accommodating portion 30 is large enough to receive the disk D by half or more, and generates a frictional resistance between the both sides D6 of the disk D and the spacer 15 near the disk insertion / removal opening 32. Like that. In the case of this embodiment, the inner peripheral surface 30a of the disk accommodating portion 30 is formed into an arc exceeding a semicircle (180 °), and the opening width W1 thereof is slightly smaller than the outer diameter d of the disk D. Difference between outer diameter d of disk D and opening width W1 (α × 2)
Is a minute dimension of 1 mm or less.

With this arrangement, when the disk D is taken in and out of the accommodating portion 30 of the spacer 15, the disk D moves with a sense of movement such that both side portions D6 of the disk D are slightly caught on the inner side surface 30b of the spacer 15. Become like As a result, the feeling when the disc D is taken in and out is good, and the disc D can be firmly inserted all the way into the case 10, and the disc D does not come out of the case 10 carelessly without the lid 12. Is done. For example, when the opening 32 is directed downward, the disc D is caught by the inner side surface 30b and stopped when the disc D is about its own weight, so that the disc D can be prevented from falling off. Since both side portions D6 of the disk D are outside the recording area, there is no problem even if the both sides move while contacting the inner side surface 30b.

The main body side cover plate 16 is provided with a window 33 having a form such as a notch or a hole as required.
Although the window 33 is not essential, the window 33 allows a part of the surface D2 (the surface on which pictures, characters and the like of a desired design are printed) of the disk D inserted into the disk accommodating section 30 to be covered with a cover plate. 16 from the outside.

The lid 12 includes a lid-side spacer 20 that can be overlapped with the remaining portion of the support plate 14 (the portion 14a where the main-body-side spacer 15 is not provided), and a lid-side cover plate 21 that is laminated and adhered to the lid-side spacer 20. And The lid-side spacer 20 is made of thick paper and has a thickness equivalent to that of the main-body-side spacer 15, and has a disk fitting portion 35 punched out in an arc shape. The inner diameter (curvature radius) of the inner peripheral surface 35a of the disk fitting portion 35 is slightly larger than the outer diameter of the disk D, and the disk D
The first half can be accommodated.

A pair of left and right convex portions 40 is formed at the rear end of the lid-side spacer 20, that is, at a position facing the concave portion 31 of the main-body-side spacer 15. These convex portions 40
In the state where the lid 12 is overlaid on the support plate 14,
The shape is such that it can be inserted into the concave portion 31 and just fit into the concave portion 31. At the rear end of the lid-side cover plate 21, an extension 4 having a shape that can be fitted into the window 33 of the main body-side cover plate 16.
1 is formed. The lid-side cover plate 21 covers a portion of the disk surface D2 that cannot be covered by the main-body-side cover plate 16.

Next, the disk case 10 of the above embodiment will be described.
The operation of will be described. As shown in FIG. 1, the lid 12 is removed from the case body 11, and the disc D is inserted into the disc accommodating section 30 through the opening 32. When the disc D is accommodated in the disc accommodating section 30, as shown in FIG.
When the outer peripheral edge D1 of the disk D, that is, the portion outside the recording area, is brought into contact with the inner peripheral edge 25 of the disk 4, the recording area D4 of the disk D is slightly raised, so that the recording area D4 is protected. A hole D5 at the center of the disk is located substantially at the center of the bottom plate 13.

As described above, the disk D is inserted into the case body 11
Then, as shown in FIG. 2, the lid 12 is placed on the support plate 14 of the case main body 11, and the protrusion 40 is fitted into the recess 31. The window 3 of the main body side cover plate 16
3, the extension 41 of the cover plate 21 is fitted. By doing so, the entire disk D is covered by the case body 11 and the lid 12.

FIGS. 5 and 6 show a second embodiment of the present invention. In this embodiment, the case body 11
Cover plate 16 and cover plate 21 of lid 12 are each sized to cover half of the disk. The other basic configuration and operation / effect are the same as those of the above-described embodiment (FIGS. 1 to 4).
The same reference numerals as those in the first embodiment denote the same parts, and a description thereof will be omitted. Also in the case of the second embodiment, the recording area of the disk is reduced by the inner peripheral edge (disk support portion) 25 of the support plate 14.
3, the disk is supported in a state of floating above.

In these embodiments, the case body 1
The disc case 10 is constituted by a combination of the disc case 1 and the lid 12, but in the present invention, the disc case consisting only of the case main body 11 is housed in a transparent bag made of a synthetic resin film or the like without using the lid 12. You may make it. Further, the disc case of the present invention may be provided so as to be sandwiched inside a foldable cover cover made of high quality cardboard printed beautifully.

As shown in FIG. 7, the disk accommodating portion 30 of the spacer 15 is sized to accommodate the disk D by half or more, and small projections are respectively provided on a pair of inner surfaces of the disk accommodating portion 30 facing each other near the opening 32. 50
May be formed so that the substantial opening width W1 is slightly smaller than the outer diameter d of the disk D. Other configurations are the same as those of the above-described embodiments, and a description thereof will be omitted. Also in the case of the third embodiment, when the disk D is taken in and out of the disk accommodating portion 30, frictional resistance can be generated between the both side portions D6 of the disk D and the inner side surface 30b near the opening 32.

FIGS. 8 and 9 show a disc case tray 60 according to a fourth embodiment of the present invention. The tray 60 includes, for example, a bottom plate 13 made of cardboard, embossed printing portions 61 and 62 protruding toward the disk D formed on a surface of the bottom plate 13 facing the disk D, and a stack of the disk D stacked on the bottom plate 13. It is provided with a spacer 15 having a disk accommodation portion 30 having an opening width W1 that can be taken in and out. A cover plate 16 is provided on the spacer 15 to cover at least a part of the disk accommodating portion 30 as in the above embodiments. A disk insertion / removal opening 32 is formed between the front edge 16a of the cover plate 16 and the bottom plate 13.
The spacer 15 and the cover plate 16 can also be made of cardboard or the like, and a desired design is printed on the surface of the cover plate 16.

An embossed printing section 61 formed along the inner periphery of the disk storage section 30 is provided on the outer peripheral edge D1 of the disk D.
Are formed continuously in an arc shape or at intervals in some places. This embossed printing section 61
9 functions as a disk support in the present invention, and FIG.
By supporting the outer peripheral edge D1 of the disk D as shown in FIG. 7, the recording area D4 of the disk D is floated from the bottom plate 13.

In the bottom plate 13 of this embodiment, linearly protruding printing portions 62 are formed on both sides of the insertion guide portion 13a connected to the disc loading / unloading opening 32, respectively. The raised printing portion 62 also has a shape protruding toward the disk D side. When the disk D is inserted into the disk accommodating portion 30, it contacts the outer peripheral edge D1 of the disk D, so that the recording area D4 of the disk D is separated from the bottom plate 13. Make it float.

The embossed printing portions 61 and 62 are made of a UV-curable synthetic resin varnish for screen printing mainly composed of urethane acrylate and acrylic ester monomer, for example, by silk printing (emboss printing). At a predetermined position, the thickness is, for example, 0.3 m
It is printed in a raised shape so that the width is about m and the width is about 1 mm, for example. This type of raised printing units 61, 6
No. 2 not only can be easily formed at the exact position of the bottom plate 13, but also has a glossy surface with good slippage, beautiful appearance and color, and excellent wear resistance. However, as a material for forming the raised printing portions 61 and 62, a synthetic resin other than the above may be used. This embossed printing section 61,
Reference numeral 62 denotes a process in which a desired basic printing (planar printing) is performed on the bottom plate 13 and a coating process or the like is performed, and then an embossing printing process may be performed. May be implemented.

Tray 60 of this embodiment (FIGS. 8 and 9)
Also, by making the disk storage portion 30 of the spacer 15 large enough to receive the disk D by half or more, and making the opening width W1 of the disk storage portion 30 slightly smaller than the outer diameter of the disk D, The friction between them is caused. By doing so, the disc D does not accidentally fall out of the tray 60 without the lid, and a sense of movement is involved when the disc D is taken in and out, so that the feeling when taking in and out becomes good. .

FIGS. 10 to 15 show a disk case 70 made of synthetic resin according to a fifth embodiment of the present invention. In the disk case 70, the same parts as those in the above embodiments are denoted by the same reference numerals, and a part of the description is omitted. As shown in FIG.
Are a case main body 71 having a bottom plate 13, a disk holding mechanism 80 having an elastic body 75, and a disk support portion 81 formed along the inner peripheral surface 30a of the disk storage portion 30.
, And a disc drop prevention convex portion 82 and the like are integrally provided. In the case main body 71, a disk accommodating portion 30 having a size that is at least half the area of the disk D is formed.

The disk holding mechanism 80 has a function of holding the disk D inserted into the disk accommodating portion 30 through the disk loading / unloading opening 32 at a predetermined position in the disk case 70 by a leaf spring-like elastic body 75. Elastic body 7
15 are provided in opposition to each other in a disk loading / unloading opening 32, and when the disk D passes through this opening 32, both side portions D6 of the disk D are pointed by arrows P in FIG.
The structure is such that it is biased in the direction indicated by 1. Each elastic body 7
A protruding portion 80a that protrudes in a direction facing each other is formed at a central portion in the length direction of 5. As shown in FIGS. 13 and 14, a part of the elastic body 75 is provided with a falling-off prevention convex portion 83 for restricting the movement of the disk D in the thickness direction.

As shown in FIG. 10, when no external force is applied to each elastic body 75 (free state), the distance W2 between the projections 80a of each elastic body 75 is smaller than the outer diameter d of the disk D. The elastic body 75 is formed by the disk D
When the disc D is inserted into the disc D, the discs D are pushed in the direction indicated by the arrow P2 in FIG. .

After the disk D is inserted into the disk housing 30, the elastic body 75 is elastically restored in the direction indicated by the arrow P1, thereby preventing the disk D from falling out of the opening 32. The disk D in the disk storage unit 30 is held at a predetermined position by being pushed by the elastic body 75, and is prevented from rotating in the disk storage unit 30.

These elastic members 75 are elastically deformed according to the outer diameter d of the disk D when the disk D is inserted, and have an elastic force for holding the disk D after the disk D is inserted into the disk accommodating portion 30. Any member may be used, and it may be made of a synthetic resin as in this embodiment, or may be another metal part in some cases.

The disk support 81 is provided in the disk storage 3
0 is present continuously or intermittently in the circumferential direction along the inner peripheral surface 30a of the disk D and contacts the outer peripheral edge D1 of the disk D,
The storage area D4 of the disk D is supported in a state of being floated from the bottom plate 13. As shown in FIG. 10, linear disc support portions 8 are provided on both sides of the disc insertion guide portion 13a of the bottom plate 13.
1 'is formed. These disk support portions 81 '
The disk D also has a shape protruding toward the disk D. When the disk D is inserted into the disk accommodating portion 30, the disk D comes into contact with the outer peripheral edge D 1 of the disk D so that the recording area D 4
Is floated from the bottom plate 13.

One or more disc drop prevention protrusions 82 provided along the inner peripheral surface 30a of the disc storage portion 30
The upper surface of the outer peripheral edge portion D1 of the disk D inserted into the disk accommodating portion 30 can be supported. Therefore, the bottom plate 1
Even when using a U-shaped case body not provided with 3,
The disc D can be prevented from dropping out of the disc accommodating section 30 by the disc supporting portion 81 and the drop-off preventing convex portion 82.

The case body 71 is integrally formed with a mount portion 84 to which an adhesive is applied when a back plate 85 (shown in FIG. 14) such as a backing paper is attached as required. FIG.
As shown in FIG. 1 and FIG. 12, the corner 86 of the bottom plate 13 facing the disk insertion / removal opening 32 and the starting end 81a of the disk support 81 are used to insert the disk D when inserting the disk D.
It is more preferable to form a tapered or curved chamfer (so-called R chamfer) in order not to damage the surface.

The bottom plate 13 has a function of increasing the rigidity of the case body 71 and a function of protecting the recording area D4 of the disk D. This bottom plate 13 is a plate made of cardboard or the like separate from the case body 71. It may be substituted. Further, the disk holding mechanism 80, the disk support portion 81, the disk drop prevention convex portions 82, 83, etc. may be integrally formed with the synthetic resin case main body 71 as in the above embodiment, or may be separate from each other. Parts may be combined. Alternatively, a plurality of disk storage portions 30 may be formed side by side in one case body so that a plurality of disks can be held at the same time.

FIGS. 16 to 20 show a disk case 70 made of a synthetic resin according to a sixth embodiment of the present invention. In the disk case 70, the same portions as those in the fifth embodiment are denoted by the same reference numerals, and a part of the description is omitted. Disk case 70 shown in FIG.
Differs from the disk case 70 of the fifth embodiment in that the height H (shown in FIG. 17) from the upper surface of the bottom plate 13 to the upper surfaces of the disk support portions 81 and 81 'is increased. The difference is that a guide slope portion 100 is provided. By increasing the height H of the disk supporting portions 81 and 81 'in this way, even if the disk D is slightly bent toward the bottom plate 13 when the disk D is taken in and out, the disk D is rubbed against the bottom plate 13 and is damaged. Can be avoided.

However, as described above, the disk support portions 81, 8
When the height H of the disk 1 'is increased, both sides of the disk D are more likely to be caught on the inner surfaces of the disk support portions 81 and 81' when the disk D is inserted into the insertion / removal opening 32, which hinders the insertion of the disk D. Occurs. For this reason, in the sixth embodiment, in order to smoothly and reliably insert the disk D, guide slope portions are provided at the ends of the linear disk support portions 81 'on both the left and right sides of the disk insertion / removal opening 32. 100 are provided.

FIG. 17 is an enlarged view of a portion indicated by F17 in FIG. 16 and shows the guide slope portion 100. The guide slope portion 100 is provided on the upper surface 1 of the disc insertion guide portion 13a of the disc case bottom plate 13, respectively.
The taper shape is such that the height continuously increases from 3b to the upper surface 81c of the disk support portion 81 '. That is, the guide slope portion 100 has an inner side surface 100a whose height increases in a tapered shape, and when the disk D is inserted into the disk housing portion 30, the outer peripheral edge D1 of the disk D
Has an inclined surface 100b for guiding the outer peripheral edge portion D1 of the disk D so as to ride on the upper surface 81c of the disk support portion 81 'from the bottom plate 13.

As shown in FIG. 17, the end of the disk support portion 81 'has a curved surface so that the outer peripheral edge D1 of the disk D can smoothly ride on the upper surface 81c of the disk support portion 81'. A chamfered portion 81a is formed. FIG. 18 shows a state where the disk D is inserted into the disk case 70 according to the sixth embodiment.
And the relationship between the guide slope unit 100 and the guide slope unit 100. FIG.
9 is a plan view of the guide slope portion 100 as viewed from the upper surface side.

In FIG. 18 and FIG.
At the beginning of the insertion of the disk D as shown by t1
Outer peripheral edge portion D1 is inclined surface 10 of guide slope portion 100.
0b from the near side of insertion. When the disc D is further inserted into the disc accommodating portion 30 from this state, the outer peripheral edge D1 of the disc D contacts the inclined surface 100b of the guide slope portion 100 and contacts the upper surface 81c of the disc support portion 81 'as shown by t2. Rushing towards it. Thereby, the disk D is placed on the upper surface 1 of the bottom plate 13.
3b is inserted in a floating state without being rubbed.

Also, as shown in FIG. 20, even if the disc D is shifted in the horizontal direction with respect to the insertion direction in the process of inserting the disc D, the position of the outer peripheral edge D1 of the disc D is changed as shown in FIG.
6, as shown in FIGS. 18 and 19, from t1 to t2, t3,
As the process proceeds to t4 and t5, the outer peripheral edge D of the disc D
1 is guided to the upper surface 81c of the disk support portion 81 'by the inclined surface 100b of the guide slope portion 100. Therefore, the disk recording area D4 is pushed up to the disk support portion 81 'without rubbing the upper surface of the bottom plate 13, and as a result, is guided to the disk storage portion 30.

The guide slope portion 100 according to the sixth embodiment is provided only in the vicinity of the opening 32 for loading and unloading the disk, but guides the entire circumference of the disk storage portion 30 (the entire length of the disk support portions 81 and 81 '). A slope (inclined surface) that is inclined in the same manner as the inclined surface 100b of the slope portion 100 may be formed continuously or intermittently. By doing so, even if the disk D is tilted or bent at the time of insertion, the disk D is supported on the disk support portion 8 by a slope (inclined surface) immediately before being inserted into the disk storage portion 30.
1 and can be easily housed in the disk housing part 30. Also, instead of providing the guide slope portion 100, the upper surface of the end portion of the disk support portion 81 'is cut obliquely as shown by a two-dot chain line 81d in FIG. Thereby, the same function as the inclined surface 100b of the guide slope portion 100 may be exhibited.

In short, the disk case of the present invention may be constituted by an outer case or tray made of paper or synthetic resin having a shape and dimensions corresponding to the media disk to be stored, a tray, a lid, and the like. It is possible to carry out the present invention by appropriately modifying each element constituting the present invention, such as a specific mode such as a bottom plate, a support plate, a spacer, a cover plate, and a disk support portion, without departing from the gist of the present invention. Needless to say.

[0051]

According to the first aspect of the present invention, since the recording area on the reading surface of the disk can be slightly lifted from the bottom plate, the recording area can be formed without using a protective sheet such as a nonwoven fabric. Can be protected. According to the present invention, the design limitation of the disk case is reduced, and the cover plate, the support plate, the bottom plate, and the like can be made of paper. In this case, a high-quality beautiful design can be obtained by ordinary printing technology. Obtained at relatively low cost.

In the disk case according to the second aspect, the entire disk can be covered by the lid and the case body that can be mounted on the case body. The lid is prevented from being displaced by fitting of the concave portion and the convex portion provided on the main body side spacer and the lid side spacer.

In the present invention, when the case main body and the lid are made of paper, they can be formed by a die that can be manufactured at low cost. Further, as compared with the conventional plastic case, disposal such as incineration can be performed without any problem.

According to the third aspect of the present invention, the embossed disk support can be formed on the bottom plate by emboss printing. In addition, since the disk supporting portion is formed by emboss printing, the disk supporting portion can be formed at an accurate position as compared with embossing by a press, and the process is simple.

According to the fourth aspect of the present invention, it is possible to prevent the disk from coming out even without the lid, to reliably hold the disk at a predetermined position inside the case, and to use a fee for inserting and removing the disk. The ring is good.

According to the fifth aspect of the present invention, the disc can be prevented from coming off by the elastic body, the disc can be reliably held at a predetermined position inside the case, and the feeling when the disc is taken in and out can be improved. . In addition, since the rotation of the disk in the disk accommodating portion can be restricted by the elastic body, the disk is suitable for a medium disk such as a DVD.

According to the sixth aspect of the present invention, a cover plate for covering the disk accommodating portion is not necessarily required. When the cover plate is not used, a beautifully designed picture or the like on the disc surface or the like can be visually observed while the disc is held in the disc case. According to the seventh aspect, by using an integrally molded product of a synthetic resin, the number of parts is small, the manufacture is easy, and the cost is advantageous.

According to the eighth aspect of the invention, it is possible to prevent the disk from being rubbed on the upper surface of the bottom plate of the case when the disk is inserted into the disk case, thereby damaging the bottom plate.
For this reason, the beautifully designed pattern on the disc case bottom plate is not damaged, and the pattern arranged on the back side of the transparent bottom plate is not damaged. . Moreover, rubbing of the recording area of the disc is also avoided. Also,
In the process of inserting the disc, the guide slope pushes up the disc and guides it to the disc support, so that the disc can be easily stored.

[Brief description of the drawings]

FIG. 1 is a perspective view of a disk case according to a first embodiment of the present invention, with a lid removed from a case main body.

FIG. 2 is a perspective view showing a state in which a lid of the disk case shown in FIG. 1 is closed.

FIG. 3 is a plan view showing a state where a cover of the disk case shown in FIG. 1 is closed.

FIG. 4 is a sectional view of the disk case taken along line F4-F4 in FIG. 3;

FIG. 5 is a plan view of a disk case according to a second embodiment of the present invention.

FIG. 6 is a perspective view showing a state where a lid of the disk case shown in FIG. 5 is removed from a case main body.

FIG. 7 is a plan view of a disk case spacer according to a third embodiment of the present invention.

FIG. 8 is a plan view of a tray and the like of a disk case according to a fourth embodiment of the present invention.

FIG. 9 is a sectional view taken along line F9-F9 in FIG. 8;

FIG. 10 is a plan view of a disk case according to a fifth embodiment of the present invention.

FIG. 11 is a sectional view taken along line F11-F11 in FIG. 10;

FIG. 12 is an enlarged view of a part indicated by F12 in FIG. 11;

FIG. 13 is a sectional view taken along line F13-F13 in FIG. 10;

FIG. 14 is an enlarged view of a portion indicated by F14 in FIG. 13;

FIG. 15 is an enlarged view of a portion indicated by F15 in FIG. 10;

FIG. 16 is a perspective view of a disk case showing a sixth embodiment of the present invention.

17 is an enlarged perspective view of a portion indicated by F17 in FIG. 16;

FIG. 18 is an exemplary perspective view for explaining a process of inserting a disk into the disk case shown in FIG. 16;

FIG. 19 is an exemplary plan view for explaining a disk insertion process in the disk case shown in FIG. 16;

FIG. 20 is a cross-sectional view showing a state in which the disk is shifted laterally when the disk is inserted in the disk case shown in FIG. 16;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Disc case 11 ... Case main body 12 ... Cover 13 ... Bottom plate 14 ... Support plate 15 ... Main body side spacer 16 ... Main body side cover plate 20 ... Lid side spacer 21 ... Lid side cover plate 25 ... Inner peripheral edge 30 ... Disk accommodating part Reference numeral 32 denotes an opening for loading and unloading a disk 35... A disk fitting portion 61 and 62... An embossed printing portion 70. A disk case 75... 100b: sloped surface D: disk

Claims (8)

[Claims] A bottom plate having an inner peripheral edge provided on the bottom plate and having an inner diameter smaller than an outer diameter of the disk, the inner peripheral edge supporting the outer peripheral edge of the disk to form a reading surface of the disk; A support plate that makes a recording area float from the bottom plate, a spacer that is provided on the support plate and has a disk storage portion having an opening width that allows a disk to be taken in and out, and a disk storage portion that is provided on the spacer and A cover case, comprising: a cover plate that forms a disk insertion / removal opening between an edge of the cover plate and the bottom plate. 2. A disk case having a case body and a lid, wherein the case body has a bottom plate, and an inner peripheral edge provided on the bottom plate and having an inner diameter smaller than an outer diameter of the disk. A support plate for supporting the outer peripheral edge of the disk by lifting the recording area of the read surface of the disk from the bottom plate; a disk provided on a part of the support plate and having an opening width capable of taking in and out the disk A body-side spacer having a housing portion, and a cover plate provided on the body-side spacer to cover the disk housing portion, wherein a body-side cover forming a disk loading / unloading opening between an edge thereof and the bottom plate. And a lid, wherein the lid is overlapped with the rest of the support plate and has a disk-side space formed with a disk fitting portion capable of accommodating a part of the disk. And a lid-side cover plate provided on the lid-side spacer to cover a part of the disk, and at an end face of the main-body-side spacer at a mutually opposed portion of the main-body-side spacer and the lid-side spacer. A disc case, comprising: a formed concave portion; and a convex portion formed on the lid side spacer and fitted into the concave portion when the lid is overlaid on a support plate of the case main body. 3. A bottom plate, and printed on the surface of the bottom plate facing the disk so as to protrude toward the disk, and by supporting an outer peripheral edge of the disk, a recording area of a reading surface of the disk is separated from the bottom plate. An embossed printing section to be floated; a spacer provided on the bottom plate and having a disc accommodating section having an opening width capable of taking in and out a disc; and a cover plate provided on the spacer and covering at least a part of the disc accommodating section. A disk case, comprising: a cover plate that forms a disk loading / unloading opening between the edge and the bottom plate. 4. The disk storage portion is made large enough to receive the disk by half or more, and the opening width of the disk storage portion is made slightly smaller than the outer diameter of the disk, so that a disk can be inserted and removed. 4. The disk case according to claim 1, wherein friction is generated between both sides of the disk. 5. A disk accommodating portion having a disk insertion / removal opening having an opening width capable of accommodating a disk and accommodating the disk, and provided on an inner peripheral surface side of the disk accommodating portion and supporting an outer peripheral edge of the disk. A disk supporting portion, which is elastically deformed to a position allowing insertion of the disk by abutting a side portion of the disk when the disk is inserted into the disk housing portion, and returns to a shape after the disk is inserted. An elastic body that prevents the disk from falling out of the opening by doing so. 6. A disk is provided on an inner peripheral surface side of said disk accommodating portion so as to face said disk support portion, and said disk moves in a thickness direction by positioning an outer peripheral edge of said disk between said disk support portion and said disk support portion. 6. The disc case according to claim 5, further comprising a disc falling-off preventing projection for restricting the disc from falling off. 7. The disk body according to claim 5, wherein said disk accommodating portion, said disk support portion, and said elastic body in the form of a leaf spring are integrally formed in a case body made of synthetic resin.
Disc case described. 8. A tapered guide slope portion having a height increasing from an upper surface of a bottom plate of the disk case to an upper surface of the disk support portion at ends of the disk support portions located on both left and right sides of the disk loading / unloading opening. The guide slope portion guides the outer peripheral edge of the disk so that the outer peripheral edge of the disk rides on the upper surface of the disk support portion from the bottom plate when the disk is inserted into the disk receiving portion. The disk case according to claim 5, wherein the disk case has an inclined surface.