JP4330102B2 - Storage case for recording media - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an improvement in a storage case for a recording medium such as a compact disk, a floppy (registered trademark) disk, and a magneto-optical disk.
[0002]
[Prior art]
As this type of storage case, in order to prevent damage to the recording layer of the recording medium during storage, as shown in, for example, Japanese Patent Application Laid-Open No. 2000-25870 and as shown in FIG. Proposed with support protrusions formed on the outer edge has been proposed. When a recording medium such as a CD is displaced or when an external force is applied in the vertical direction, the recording medium CD is displaced and bent. There is a possibility that the recording layer contacts the surface of the storage recess A or the support protrusion B and is damaged.
[0003]
[Problems to be solved by the invention]
The present invention has been made in view of the above-mentioned problems contained in a conventional recording medium storage case, and even when a displacement of the recording medium in the storage case or an external pressing force is applied. It is an object of the present invention to provide a storage case in which no contact between the recording layer and the surface of the storage recess occurs.
[0004]
In order to solve the above-mentioned problems, according to the first aspect of the present invention, there is provided a storage case for a recording medium in which a hub is formed at the center, and a concentric stack ring having a shorter outer diameter than the hub protrudes inward of the hub. In the central area of the storage portion for the recording medium , a short cylindrical receiving body and a receiving ring are formed, and the outer diameter of the receiving body is larger than the inner diameter of the stack ring of the hub of the recording medium. The length is shorter and the height is higher than the height of the stack ring, and the receiving ring is formed on the outer periphery of the receiving body at the same height and concentric with the receiving body, and the outer diameter is recorded. shorter than the outer diameter of the hub of use medium, and was configured that is configured with the longer dimension than the outer diameter of the stack ring.
[0005]
According to a second aspect of the present invention, there is provided a recording medium storage portion in a recording medium storage case in which a hub is formed in the center and a concentric stack ring having a shorter outer diameter than the hub protrudes inward of the hub. the center region of the are受支ring formation, receiving supporting ring, that is height formed higher than the height of the stack ring, shorter than the outer diameter of the hub of the outer diameter of the recording medium, and, The length is set to be longer than the outer diameter of the stack ring.
[0006]
According to a third aspect of the present invention, a dimensional difference between the outer peripheral surface of the stack ring of the recording medium and the inner peripheral surface of the support ring is such that the outer peripheral surface of the support ring and the outer peripheral surface of the hub of the recording medium. A configuration in which the size difference is set smaller than the dimensional difference is added to the invention of claim 2 .
[ 0007 ]
DETAILED DESCRIPTION OF THE INVENTION
1 and 2 show a blank of the inner case for explaining the present invention , and the inner case D is inserted into the outer case C as shown in FIG. 6 which is the basic structure of the storage case. The structure that can be freely pulled out is the same as that of the conventional storage case. However, in the present invention, the structure of the inner case is different from the conventional storage case shown in FIG.
[ 0008 ]
The inner case is formed by folding from the blank 1 shown in FIG. 1, and the back plate 3 is bent behind the paper surface at the mountain fold lines 4 and 5 with respect to the recording medium, CD storage 2 in the illustrated example. At the same time, the stopper piece 6 is bent 180 degrees to the front side of the paper surface at the double mountain fold lines 7 and 8, and the CD locking ear pieces 9 and 10 on both sides of the storage portion 2 are stored at the trough fold lines 11 and 12 at the storage portion 2. The main portion of the inner case is formed by being bent so as to overlap the surface 13 of the inner case.
[ 0009 ]
On the other hand, a CD as an example of a recording medium indicated by a one-dot chain line placed and stored in the storage unit 2 has a hub 14 formed at the center and has a concentric outer diameter shorter than the hub 14 as is well known. A stack ring 15 projects from the inside of the hub 14.
[ 0010 ]
2, the positional relationship between the container 2 and the CD mounting a which is an example CD of record medium, and the model shown and release the distance between them, the center of the container 2 is placed A CD ( hereinafter abbreviated as CD), which is an example of a recording medium, has a hub 14 formed at the center and a stack ring 15 projecting concentrically.
[ 0011 ]
On the other hand, in the center of the storage portion 2, a receiving body 16 is formed to project in a locus having an outer diameter shorter than the outer diameter RA of the hub 14, and the height HA thereof is set to the stack ring 15. It is formed higher than the height HB.
[ 0012 ]
In the invention of claim 1, the receiving body 16 is not limited to a single short cylinder as shown in FIG. 1, and the top wall of the illustrated short cylinder is omitted and the peripheral wall is divided into a plurality of parts. Or a plurality of thin cylindrical columns protruding along the projecting track of the support body 16, and in this case, it is suitable when the storage case is formed of synthetic resin.
[ 0013 ]
As shown in FIG. 2, the support body 16 is in the shape of a covered hollow short cylindrical body. In this case, the support body 16 is suitable for forming the support body 16 by embossing using cardboard.
[ 0014 ]
Further, the outer diameter RC of the receiving body 16 is set shorter than the inner diameter RB of the stack ring 15.
[ 0015 ]
Since the height HA of the receiving支体16 is set higher than the height HB of the stack ring 15, in a state in which the CD is supported by the top surface of the受支body 16, the surface of the recording layer 17 of the CD, The distance from the surface is longer than when the stack ring 15 is in contact with the surface of the storage unit 2, and the recording layer 17 may come into contact with the surface of the storage unit 2 and be damaged during the action of vibration or external force. Since the outer diameter RC of the support 16 is shorter than the inner diameter RB of the stack ring 15, a recording medium such as a CD is mechanically and automatically loaded into the storage portion of the storage case. However, the stack ring 15 is fitted into the receiving body 16 easily and accurately.
[ 0016 ]
Figure 3 is a substantially示縦cross section of an example of implementation,受支body 18, are formed by the same means and受支body 16, an outer diameter RD is placed is the hub 14 of the CD It is a dimension located between the outer diameter RA and the outer diameter RB of the stack ring 15, and the height HA of the receiving body 18 is set higher than the height HB of the stack ring 15 as shown in FIG. Same as example.
[ 0017 ]
Therefore, according to the example of implementation shown in FIG. 3, the receiving area of the top surface of the receiving body 18 with respect to the stack ring 15 is large, the allowable range of displacement toward the radially outward direction of the CD is widened, and the CD is being handled. 1 is lost due to the cooperation with the locking ear pieces 9 and 10 shown in FIG. In normal condition, it will not occur.
[0018]
FIG. 4 shows an example of the embodiment of the present invention. The receiving body 19 is a short cylindrical body having the same structure as that shown in FIGS. 1 and 2 , and the outer periphery thereof is concentric with the receiving body 19 at the same height. The receiving ring 20 is formed, the outer diameter RE of the receiving body 19 is set shorter than the inner diameter RF of the CD stack ring 21, and the outer diameter RG of the support ring 20 is set to be the CD stack ring 21. The outer diameter RH and the outer diameter RI of the hub 22 are set to dimensions.
[ 0019 ]
According to the configuration of the present invention shown in FIG. 4 , the CD stack ring 21 is located between the receiving body 19 and the receiving ring 20, and the restraint is performed from both the inside and outside, and the receiving body 19 and the receiving ring 19 are received. Since the height of the support ring 20 is higher than the height of the stack ring 21, the stack ring 21, that is, the CD does not come off between the receiving body 19 and the receiving ring 20, and the storage of the CD is ensured.
[ 0020 ]
Figure 5 is an example of embodiment of the invention of claim 2, which corresponds to the structure is omitted受支body 19 in the invention of claim 1 shown in FIG. That is, the receiving body formed in the center of the storage portion 2 is only the receiving ring 23, and its outer diameter RJ is a dimension located between the outer diameter RK of the hub 24 of the CD and the outer diameter RL of the stack ring 25. Since the height of the support ring 23 is set to be higher than the height of the stack ring 25, the outer peripheral surface of the stack ring 25 and the support ring when the center of the CD and the storage portion 2 are matched. By setting the dimensional difference between the inner peripheral surface of the ring 23 to be smaller than the dimensional difference between the outer peripheral surface of the support ring 23 and the outer peripheral surface of the hub 24, the CD can be moved radially outward. The top surface of the receiving ring 23 never comes into contact with the recording layer 17, and the CD is sufficiently protected.
[ 0021 ]
4 and 5, the recesses on the lower surfaces of the receiving rings 20 and 23 are pressing marks formed by embossing.
[ 0022 ]
【The invention's effect】
According to the first aspect of the present invention, the medium storage portion of the medium storage case is formed with respect to the hub formed at the center of the recording medium and the concentric stack ring formed near the center of the hub. In the center area of the recording medium, the outer shape of the hub has a stack ring at the center of the recording medium and has an outer shape in a circular path shorter than the outer diameter of the hub, and a support body having a height higher than the height of the stack ring is formed. When the support body is located inside the stack ring, the difference between the outer diameter of the support body and the inner diameter of the stack ring, and the support body on the outside of the stack ring. If the recording medium is positioned, the dimensional difference between the inner diameter of the receiving body and the outer diameter of the stack ring may cause damage to the recording layer of the recording medium when the recording medium occupies the normal storage position of the storage portion. Shorter than the distance between the housing case members Rehabilitation, always an effect that the recording medium can be held in a position that does not cause damage.
[ 0023 ]
In addition, in the invention of claim 1, in addition to the cylindrical body having the top plate, the receiving body can be adopted in any structure such as a hollow cylindrical body, an arc piece array arranged along a circular locus, a columnar body array, Therefore, the storage case can be molded by any material and means such as cardboard punching, embossing, or vacuum forming or pressure forming of a synthetic resin sheet.
[ 0024 ]
According to the first aspect of the present invention, the receiving body for receiving and supporting the recording medium is a short cylindrical body, and its outer diameter is smaller than the inner diameter of the stack ring of the recording medium hub. The recording medium can be easily and easily disposed in the storage unit, and the sliding range of the recording medium such as a CD can be easily controlled by the outer diameter of the support body, which is a short cylindrical body, and the inner diameter of the stack ring. As a result, it is possible to control the degree of protection of the recording layer of the recording medium.
[ 0025 ]
According to the first aspect of the present invention, the position of the stack ring of the recording medium is restricted by the restraint from the inner and outer sides in the radial direction by the receiving body which is the short cylindrical body of the storing portion of the storing case and the supporting ring on the outer periphery thereof. When the stack ring deviates from this position restriction, there is no fear of normal handling, and there is an effect that the storage and protection of the recording medium become more stable.
[ 0026 ]
According to the invention of claim 2 , the receiving body is only the receiving ring, and the dimensional difference between the inner peripheral surface of the receiving ring and the outer peripheral surface of the stack ring is determined by the outer peripheral surface of the receiving ring and the hub. It is possible to prevent the top surface of the support ring from coming into contact with the recording layer of the recording medium simply by setting it to be smaller than the dimensional difference from the outer peripheral surface, and the recording layer of the recording medium can be sufficiently provided with a simple structure. There is an effect that can be protected.
[Brief description of the drawings]
FIG. 1 is a developed plan view of a blank of an inner case for explaining the present invention .
Figure 2 is a schematic示縦stump view of a main part of an example of implementation.
Figure 3 is a schematic示縦stump view of a main part of an example of implementation.
4 is a schematic longitudinal sectional end view of a main part of an example of the embodiment of the invention of claim 1 ; FIG. It is a front view of an inner case.
5 is a schematic longitudinal sectional end view of a main part of an example of the embodiment of the invention of claim 2. FIG. It is a rear view of an inner case.
FIG. 6 is a perspective view of an example of a conventional storage case for recording media.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Blank 2 Storage part 14 Hub 15 Stack ring 16 Receiving body 17 Recording layer 18 Receiving body 19 Receiving body 20 Receiving ring 21 Stack ring 23 Receiving ring 24 Hub 25 Stack ring CD Recording medium RA Outside the hub 14 Diameter HA Height of receiving bodies 16, 18 HB Height of stack ring 15 Inner diameter RC of stack ring 15 Outer diameter of receiving body 16 RD Outer diameter of receiving body 18 Outer diameter RF stack of receiving body 19 Inner diameter RG of ring 21 Outer diameter RH of support ring 20 Outer diameter RJ of stack ring 21 Outer diameter of support ring RK Outer diameter of hub 24 RL Outer diameter of stack ring 25

Claims (3)

A short cylinder is formed in the central area of the recording medium storage portion in the recording medium storage case in which a hub is formed at the center and a concentric stack ring whose outer diameter is shorter than the hub protrudes inward of the hub. A receiving ring of the body and a receiving ring are formed, the outer diameter of the receiving body is shorter than the inner diameter of the stack ring of the hub of the recording medium, and the height of the receiving ring is the height of the stack ring The receiving ring is formed on the outer periphery of the receiving body so as to be flush with and concentric with the receiving body, the outer diameter of which is shorter than the outer diameter of the hub of the recording medium, and the stack. A storage case for recording media that is longer than the outer diameter of the ring . A hub is formed at the center and a concentric stack ring with a shorter outer diameter than the hub protrudes inward of the hub. ring is formed, receiving supporting ring, that is height formed higher than the height of the stack ring, an outer diameter smaller than the outer diameter of the hub of the recording medium, and than the outer diameter of the stack ring Storage case for recording media with long dimensions. The dimensional difference between the outer peripheral surface of the stack ring of the recording medium and the inner peripheral surface of the receiving ring is set smaller than the dimensional difference between the outer peripheral surface of the receiving ring and the outer peripheral surface of the hub of the recording medium. A storage case for a recording medium according to claim 2.

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