JP3513801B2 - Storage case - Google Patents

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a storage case. In particular, the present invention relates to a storage case in which recording media such as cassette tapes, CDs, MDs are stored.

[0002]

2. Description of the Related Art As a conventional storage case, there is one of a type having a storage case main body for storing recording media such as cassette tapes, CDs, MDs, and a pedestal portion for rotatably supporting the storage case main body. is there.

In this conventional storage case, a rotating mechanism having a roller or a bearing is provided between the storage case body and the pedestal in order to make the storage case body rotatable.

[0004]

Since the rotating mechanism uses rollers or the like, it has a complicated structure and causes a cost increase.

A main object of the present invention is to provide a storage case which has a simple structure and in which the storage case body is rotatable with respect to the pedestal portion.

[0006]

In order to solve the above problems, the storage case according to claim 1 of the present invention is made of synthetic resin.
Of a storage case body and a pedestal part made of synthetic resin for rotatably supporting the storage case body, a convex rotation shaft provided on the pedestal part or the storage case body, and A concave bearing portion provided on the storage case main body or the pedestal portion and engaging with the rotating shaft, and a plurality of convex support portions provided on the pedestal portion and / or the storage case main body for preventing rotational shake. And the projecting support portion is projected from the pedestal portion and / or the storage case body.

In the storage case according to claim 2 of the present invention, the convex rotation shaft has a bulge portion on the tip side, and the concave bearing portion is engaged by press-fitting the bulge portion. The front side is narrow and the back side is wide.

In the storage case according to the third aspect of the present invention, when the rotating shaft is engaged with the bearing portion, the plurality of convex support portions and the pedestal portion or / facing the support portions. And the distance between the surface of the storage case body and the surface of the storage case body is small.

In the storage case according to claim 4 of the present invention, a recess is provided in the upper surface of the storage case body,
The pedestal portion of another storage case having the same structure as the storage case can be installed in this recess.

The storage case according to claim 5 of the present invention is characterized in that the storage case body stores a recording medium.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION A storage case according to an embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is a schematic perspective view showing a state in which a storage case main body and a pedestal portion used for a storage case according to an embodiment of the present invention are separated, and FIG. 2 is used for the storage case according to the embodiment of the present invention. FIG. 3 is a schematic rear-view rear perspective view of the storage case main body, FIG. 3 is a diagram showing a part of the storage case according to the embodiment of the present invention, and FIG. 3A is a concave shape provided in the storage case main body. Is a schematic cross-sectional view showing a bearing portion of the same, FIG. 6B is a schematic front view showing a convex rotary shaft provided on the pedestal portion, and FIG. 7C is a convex sectional view provided on the pedestal portion. FIG. 6D is a schematic front view showing another embodiment of the rotary shaft, and FIG. 7D is a schematic front view showing still another embodiment of the convex rotary shaft provided on the pedestal portion.

The storage case according to the embodiment of the present invention is
A substantially rectangular parallelepiped storage case body 100 made of synthetic resin in which a plurality of types of recording media (not shown) such as cassette tapes, CDs and MDs are stored, and a support for rotatably supporting the storage case body 100. And a pedestal portion 300 made of a disc-shaped synthetic resin.

The storage case according to the embodiment of the present invention is
A convex rotary shaft 311 provided on the pedestal portion 300;
The rotation shaft 31 is provided on the storage case body 100.
1 is provided with a concave bearing portion 121 (see FIG. 2), and a plurality of convex support portions 321 provided on the pedestal portion 300 for preventing rotational blurring. The support portion 321 is provided so as to project from the pedestal portion 300 .

The storage case body 100 is an assembly type, and has a substantially rectangular top plate 110 and the top plate 11.
0, a substantially square bottom plate 120, a substantially square front plate 130 provided between the top plate 110 and the bottom plate 120, a substantially square rear plate 140, and It is composed of a substantially rectangular intermediate plate portion 150 provided between the front plate portion 130 and the rear plate portion 140.

At the joining portion of the housing case body 100, general engaging means (not shown) and general locking means (not shown) provided in combination with the engaging means are formed. There is. That is, the engaging means includes, for example, a convex portion and a concave portion that engages with the convex portion (or one side wall and a side surface supporting member that is provided to face the side wall and supports a side surface of the convex portion). is there. The locking means is, for example, a claw portion and a recess for locking the claw portion. Note that the engagement means is partially shown, and corresponds to the recess 115 and the side surface support member 116 in FIG.

The top plate 110 has a recess 111 on the upper surface. The recess 111 is formed in such a size that a pedestal portion 300 of another storage case having the same structure as the storage case (that is, the storage case according to the embodiment of the present invention) can be installed. The size of the recess 111 is formed so that the pedestal portion 300 fits into the recess 111. This is because the pedestal portion 300 of the upper storage case is held by the recess 111 of the lower storage case so that the upper storage case can be prevented from wobbling.

Further, the top plate portion 110 is provided with a projecting portion 113 projecting to the front side. This overhang 113 is
Overhanging portion 123 protruding to the front surface side of the bottom plate portion 120, which will be described later.
It is a pair. Between the overhang portions 113 and 123,
Hold one CD protective case (not shown) vertically,
The CD jacket can be displayed. Therefore, the overhang portion 113 has a recess (not shown) that opens downward, and the overhang portion 123 also has a recess 123A that opens upward as described later.

The dimension between the front ends of the overhangs 113 and 123,
The depth dimension of the concave portion of the overhang portion 113 and the depth dimension (C of the CD protective case that fits into the concave portion 123A of the overhang portion 123 (C
In order to support the lower end of the protective case D, the relationship between the upper end of the protruding portion 123A1 provided in the recess 123A and the upper end of the recess 123A) should be such that the following can be achieved. It is set. After inserting the upper side of the protective case of the CD into the concave portion of the overhang portion 113, the lower end of the protective case can be inserted into the concave portion 123A of the overhang portion 123, and the protective case is provided on the protruding portion 123A1 in the concave portion 123A. It is set so that the upper end of the protective case is still accommodated in the recess of the overhang 113 after the lower ends of the two are brought into contact with each other. Therefore, the overhang portion 113
The depth dimension of the recessed portion is C in the recessed portion 123A of the overhanging portion 123.
The depth is set to be larger than the depth of the D protective case.

The bottom plate portion 120 is provided with a projecting portion 123 projecting to the front side thereof. The overhanging portion 123 is the overhanging portion 1 protruding toward the front surface side of the top plate portion 110 as described above.
It is a pair with 13. The overhanging portion 123 has a concave portion 123A that opens upward. In the recess 123A, C
In order to support the lower end of the D protective case, a pair of protrusions 1
23A1 is provided.

Further, on the bottom surface side of the bottom plate portion 120, the recess 1
24 (see FIG. 2) are provided. A concave bearing portion 121 is provided so as to protrude substantially at the center of the bottom surface 124A of the concave portion 124.

The recess 121A of the bearing 121 (see FIG. 3A).
Is a convex rotation shaft 31 provided on the base 300.
1 (see FIG. 1 and FIG. 3 (B)). As will be described later, a convex rotary shaft 311
Has a bulge portion 311A on the tip side, the concave bearing portion 121 is formed with a narrow frontage and a wide rear side so that the bulge portion 311A is press-fitted and engaged. When the convex rotary shaft 311 is press-fitted and engaged with the concave bearing portion 121, the bulge portion 311A of the rotary shaft 311 is prevented from coming off in the narrow portion of the bearing portion 121, and the storage case main body 100. This is because the pedestal portion 300 and the pedestal portion 300 can be integrated.

Further, as shown in FIG. 3A, the bottom of the recess 121A of the bearing 121 is formed to be slightly lower than the bottom surface 124A of the recess 124.
When the rotating shaft 311 is engaged with the bearing portion 121, the distance between the plurality of convex support portions 321 and the bottom surface 124A which is the surface of the storage case body 100 facing the support portions 321 is slightly reduced. This is because of the configuration. In this way, as will be described later, smooth rotation is possible and rotation blurring is prevented.

In FIG. 2, the thick portions 125A, 125B, 12 of the protruding portion 125 around the recess 124 of the bottom plate 120 are shown.
5C is provided so as to be provided with a recess or a locking means of the engaging means at the joining portion of the storage case body 100 described above. Further, the protruding portion 126 provided near the center of the concave portion 124 of the bottom plate portion 120 also includes the above-described storage case body 10.
It is provided so as to provide a concave portion of the engaging means and a locking means at the joint portion of 0. The protruding portions 125 and 126 are, of course, provided at positions that do not contact the pedestal portion 300.

The front plate 130 is substantially flat on the front side, but the left and right ends are rounded and curved rearward in terms of design. In addition, between the front plate part 130 and the intermediate plate part 150, MD from the right side in FIG.
Cassette tapes are stored from the left side. Therefore, on the back surface side of the front plate portion 130, a plurality of MD partition shelf plate portions 131 (FIG. 2) are provided with respect to the shape corresponding to the curve (that is, the shape similar to the front surface shape).
And a plurality of cassette tape partition shelves 132
(See FIG. 1) and. Also, the front plate portion 13
On the back side of 0, a partition / rear side stopper plate portion (not shown) provided in the vertical direction at a position where the MD partition shelf plate portion 131 and the cassette tape partition shelf plate portion 132 meet is inserted. A plate portion (not shown) provided in a vertical direction is provided so as to project from the side surface of the cassette tape or the MD, and also functions as a reinforcing material for the front plate portion 130.

Partition shelf part 132 and M for cassette tape
The partition shelf plate portion 131 for D may be provided horizontally, but the front side is higher than the back side so that the stored cassette tape or MD is hard to pop out by the rotation of the storage case body 100. It is formed with an inclination. Further, the space between the cassette tape partition shelf portions 132 that are vertically adjacent to each other is set so that one cassette tape (with or without a protective case) can be stored. However, the space between the cassette tape partition shelf plates 132 that are vertically adjacent to each other is set so that two MDs (with or without a protective case) can be stored. Therefore, the storage pattern is diversified.

The back plate portion 140 is substantially flat on the front side and the back side, but the left and right ends are rounded and curved toward the front side in design. A plurality of CDs (in this case, a protective case for the CDs) are provided between the rear plate portion 140 and the intermediate plate portion 150.
It doesn't matter whether the D board is stored or not. )
Alternatively, an equivalent product or the like can be inserted and stored from the right side or the left side in FIG. Back plate part 1
On the front side of 40, the plate portion 14 that restricts the side surface of the CD and also functions as a reinforcing material for the rear plate portion 140.
1 is provided horizontally.

The intermediate plate portion 150 is paired with the flat plate portion 150A, the MD partition shelf plate portion 131 of the front plate portion 130, the cassette tape partition shelf plate portion 132, and the partition / rear side stopper plate portion (not shown). The flat plate portion 15
It has a partition shelf plate part 151 for MD, a partition shelf plate part 152 for cassette tape, and a partition / rear side stopper plate part (not shown) protrudingly provided on the front side of 0A.

The pedestal portion 300 includes a substantially ring-shaped portion 320,
The cross-shaped portion 3 extending inside the substantially ring-shaped portion 320
10 and a substantially cylindrical reinforcing plate portion 330 extending above the outer edge of the substantially ring-shaped portion 320. Pedestal 30
The center of 0, that is, the center of the upper surface of the cross-shaped portion 310,
A rotating shaft 311 is provided so as to project. On the upper surface side of the substantially ring-shaped portion 320, a plurality of (for example, eight) convex support portions 32 are provided at regular intervals on the circumference around the rotation shaft 311.
1 is projected.

It should be noted that the pedestal portion 300 is formed in such a size that it is just fitted into the concave portion 111 on the upper surface of the top plate portion 110 as described above. The back surface of the pedestal portion 300 has a flat structure. However, a concave portion (not shown) is provided on the back surface side of the rotating shaft 311 and the convex supporting portions 321 (that is, the four supporting portions 321) that are skipped one by one. Non-slip rubber (not shown) is fixed to the recess by a fixing means such as a double-sided tape so as to slightly protrude from the recess.

The height dimensions of the rotating shaft 311 and the support portion 321 (height dimension from the back surface of the pedestal portion 300) are set to be the same. Further, the height of the reinforcing plate portion 330 is set lower than the height of the tip of the support portion 321.

The rotating shaft 311 is formed in the recess 12 of the bearing 121.
It is not usually necessary to separate the rotating shaft 311 and the bearing portion 121 after engaging with 1A. Therefore, the rotating shaft 311 is
The shape having the bulge portion 311A on the tip end side is configured to be press-fitted into the bearing portion 121 having the above-described structure so as to be prevented from coming off. The bulging portion 311A may bulge from the base end side to the tip end side at an inclination of, for example, about 2 °.

As shown in FIG. 2B, the tip end side of the rotating shaft 311 has a substantially hyperboloid shape. This is because the structure is smooth and wear resistant.

The tip side of the support portion 321 is formed into a smooth hyperboloid in order to reduce the contact resistance when it comes into contact with the bottom surface 124A of the bottom plate portion 120. Further, a reinforcing plate (not shown) is provided so as to connect the base end side of the support portion 321 and the base end side of the reinforcing plate portion 330.

As described above, since the storage case according to the embodiment of the present invention is configured, the front plate part 130, the intermediate plate part 150, and the back plate part are provided between the top plate part 110 and the bottom plate part 120. 140 is inserted to complete the storage case body 100, and the rotary shaft 311 of the pedestal portion 300 is press-fitted into the recess 121A of the bearing portion 121 of the storage case body 100 to complete the assembly.

In the case of the storage case according to the embodiment of the present invention, even if the storage case body 100 is lifted in this assembled state, the pedestal portion 300 can be integrated without falling off.

Further, in the case of the storage case according to the embodiment of the present invention, the storage shaft main body 100 is rotated with respect to the pedestal portion 300 by engaging the rotating shaft 311 with the bearing portion 121. However, since the plurality of support portions 321 and the bottom surface 124A, which is the surface of the storage case body 100 facing the support portions 321, are configured to have a short distance, the storage case body 100 may be blurred. The convex support portion 321 functions to prevent blurring so as not to rotate. Therefore, there is almost no blur, and smooth rotation is achieved.

Further, since a slight distance is provided between the support portion 321 and the bottom surface 124A which is the above-mentioned surface, the storage case main body 100 is provided on the inclined side only when a shake occurs. The surface is brought into contact with the raised convex support portion 321 to be regulated. Therefore, the friction at the time of the regulation is small, and the surface is not normally in contact with the support portion 321, so that the rotation is smooth and the storage case is convenient.

Further, in the case of the storage case according to the embodiment of the present invention, the recess 111 of the top plate portion 110 is the storage case (that is, the storage case according to the embodiment of the present invention).
The pedestal part 300 of another storage case having the same configuration as
Since it is formed so as to fit exactly into 1, the plurality of storage cases can be stably stacked.

In the storage case according to the embodiment of the present invention, the rotating shaft 311 is provided on the pedestal portion 300, but instead of this, the bottom plate portion 120 of the storage case body 100 is provided.
It may be provided substantially at the center of the bottom surface 124A. At this time, the bearing portion 121 is provided not at the bottom surface 124A of the bottom plate portion 120 of the storage case body 100 but at the center of the upper surface side of the cross-shaped portion 310 of the pedestal portion 300.

In the storage case according to the embodiment of the present invention, the plurality of convex support parts 321 are all pedestal parts 300.
However, instead of this, a plurality of convex support portions 321 are provided.
Is the bottom surface 12 of the bottom plate 120 of the storage case body 100.
It may be provided in 4A. In addition, a part of the convex support portion 321
Only the bottom surface 12 of the bottom plate 120 of the storage case body 100.
4A, and the remaining supporting portion 321 may be left on the pedestal portion 300. However, in that case, the convex support portion 321 on the bottom surface 124A side should be positioned from the center of rotation so that it does not come into contact with the support portion 321 on the pedestal portion 300 side even if it is rotated.
It is necessary to make it different from the support portion 321 on the pedestal portion 300 side. The height dimensions of the support portion 321 far from the rotation center and the support portion 321 near the rotation center are such that the support portion 321 farther from the rotation center is closer to the rotation center.
It is better to make it slightly lower than 1 so that the contact pressures between the surfaces facing the respective support portions 321 and the support portions 321 are substantially equal.

In the storage case according to the embodiment of the present invention, the tip end side of the rotating shaft 311 has a substantially hyperboloid shape as shown in FIG. 2B, but instead of this, FIG. )
As shown in FIG. 2, it may be formed into a substantially hyperboloid shape that is closer to a flat surface than that shown in FIG. Also, the rotating shaft 3
As shown in FIG. 2D, the tip end side of 11 may be substantially flat, and the protrusion 311B may be provided at the center. Although the protrusion 311B shown in FIG. 2D is sharp, it may be rounded. The protrusion 311B may be applied to those shown in FIGS. 2B and 2C.

However, in the structure in which the protrusion 311B is provided, the protrusion 311B is more easily worn than those shown in FIGS. 2B and 2C, and therefore, in terms of durability,
The one shown in (B) or FIG. 2 (C) is preferable. The shape of the recess of the bearing portion 121 corresponding to the rotating shaft 311 shown in FIG. 2C and FIG. 2D described above is not shown, but it is a shape that engages with each rotating shaft 311. is there. However, the bearing portion 12 corresponding to the rotating shaft 311 having the protruding portion 311B such as the rotating shaft 311 shown in FIG.
1, the protrusion 311B is the recess 121A of the bearing 121.
It may be formed so as to make point contact at the bottom of the.

In the storage case according to the embodiment of the present invention, the shape of the rotating shaft 311 and the recess 121A of the bearing 121 is such that the rotating shaft 311 has a bulge 311A so as to be suitable for retaining. The recess 12 of the bearing 121.
1A has a narrowed frontage corresponding to the bulge portion 311A.
However, the storage case body 100 and the pedestal portion 300 may be easily separated. In this case, since the retainer is not required, the rotating shaft 311 may be provided with no bulge portion 311A, the base end side having a constant diameter, and the tip end side having the hyperboloid or the like as described above. On the other hand, the recess 121A of the bearing 121 is
It is not necessary to narrow the frontage, and the vicinity of the frontage may be set to have a constant diameter corresponding to a portion having a constant diameter on the base end side of the rotating shaft 311.

In the storage case according to the embodiment of the present invention, the front end side of the support portion 321 is formed into a hyperboloid, but it may have a shape capable of reducing the contact resistance when it comes into contact with the bottom surface 124A of the bottom plate portion 120. Needless to say, other shapes may be used, for example, a shape having a hyperboloid only near the center of the tip.

In the storage case according to the embodiment of the present invention, the storage case main body 100 that faces the support portion 321.
In order to make the distance from the bottom surface 124A, which is the surface of the bearing 121, small, the position of the bottom of the recess 121A of the bearing 121 is
The height of the rotary shaft 311 and the height of the support portion 321 (the height dimension from the back surface of the pedestal portion 300) are set to be the same while forming the recess 124 so as to be slightly lower than the bottom surface 124A. Instead of this, for example, the concave portion 1 of the bearing portion 121
The bottom position of 21A may be the same as the bottom surface 124A of the concave portion 124, but the height dimension of the rotating shaft 311 may be slightly higher than the height dimension of the support portion 321.

In the storage case according to the embodiment of the present invention, the size of the concave portion 111 of the top plate portion 110 is formed so that the pedestal portion 300 fits into the concave portion 111. , A pedestal portion 3 of another storage case having the same configuration as the storage case according to the embodiment of the present invention)
Since the size of 00 can be set to a size capable of being installed, the size of the recess 111 of the top plate 110 may be larger than that of the pedestal 300.

If a plurality of storage cases are not constructed so that they can be stacked, the recess 111 of the top plate 110 can be used.
Can be of any size and may be smaller than the pedestal portion 300.

The recess 111 may not be provided if a plurality of storage cases cannot be stacked. However, it is more convenient to provide the concave portion 111 not only for other storage cases but also for mounting various things. Further, it is preferable to provide the concave portion 111 in order to secure the strength.

In the storage case according to the embodiment of the present invention, the storage case main body 100 is configured to be able to store a plurality of types of recording media, respectively. Or in extreme cases 1
Only one type of recording medium may be stored.

In the storage case according to the embodiment of the present invention, the storage case body 100 and the pedestal portion 300 are made of synthetic resin, but it goes without saying that they may be formed of other materials. In addition, a part of the storage case body 100 and the pedestal portion 300, for example, the rotating shaft 311 and the bearing portion 1
Only the material of 21 may be harder than synthetic resin or may be Teflon processed. Also,
It goes without saying that the shapes of the storage case body 100 and the pedestal portion 300 are not limited to the above-described shapes.

[0051]

As described above, according to the first aspect of the present invention.
The storage case according to, and a storage case body made of synthetic resin ,
In a storage case provided with a pedestal part made of synthetic resin for rotatably supporting the storage case body, a convex rotation shaft provided on the pedestal part or the storage case body, and the storage A concave bearing portion provided on the case body or the pedestal portion and engaging with the rotation shaft, and a plurality of convex support portions provided on the pedestal portion and / or the storage case body for preventing rotation blurring. And the convex support portion is provided so as to project from the pedestal portion and / or the storage case body.

Therefore, in the storage case according to claim 1 of the present invention, the storage case main body is pedestal with a simple structure such as the convex rotary shaft, the concave bearing portion, and the plurality of convex support portions. It can be rotatable with respect to the part. Therefore, it is possible to reduce the cost of the storage case as compared with the case where a roller or a bearing is conventionally used to make it rotatable.

In the storage case according to claim 2 of the present invention, the convex rotary shaft has a bulge portion on the tip side, and the concave bearing portion is press-fit into the bulge portion to be engaged. Thus, the frontage was narrow and the back side was wide.

Therefore, in the storage case according to the second aspect of the present invention, when the convex rotary shaft is press-fitted and engaged with the concave bearing portion, the bulge on the tip side of the rotary shaft. The part is prevented from coming off at the narrow part of the front part of the bearing part. Therefore, the storage case body and the pedestal can be integrated with such a simple configuration. Therefore, it is possible to reduce the cost of the storage case in which the rotatable structure has a retaining structure.

In the storage case according to the third aspect of the present invention, when the rotary shaft is engaged with the bearing portion, the plurality of convex support portions and the pedestal portion or / facing the support portions. The distance between the surface and the surface of the storage case body is small.

Therefore, in the case of the storage case according to the third aspect of the present invention, the storage case main body is rotated with respect to the pedestal portion by engaging the rotating shaft with the bearing portion, Since the distance between the portion and the surface of the pedestal portion and / or the surface of the storage case body that faces the support portion is small, the storage case body is convex so as not to rotate unstably. -Shaped support parts act to regulate blurring.
Therefore, there is almost no blur, and smooth rotation is achieved.

Further, since a slight distance is provided between the support portion and the surface, a convex support provided on the inclined side of the storage case body only when a shake occurs. The surface is brought into contact with the portion to be regulated. Therefore, the friction at the time of the regulation is small, and the surface is not normally in contact with the support portion, so that the rotation is smooth and the storage case is convenient.

In the storage case according to claim 4 of the present invention, a recess is provided in the upper surface of the storage case body,
In this recess, a pedestal part of another storage case having the same structure as the storage case can be installed.

Therefore, in the case of the storage case according to the fourth aspect of the present invention, it is possible to stack and install a plurality of storage cases. Therefore, the storage can be performed efficiently.

In the storage case according to claim 5 of the present invention, the storage case body stores the recording medium.

Therefore, in the case of the storage case according to claim 5 of the present invention, the effects of the storage case according to claims 1 to 4 of the present invention described above are obtained in the storage case for storing the recording medium.

[Brief description of drawings]

FIG. 1 is a schematic perspective view showing a state in which a storage case main body and a pedestal portion used in a storage case according to an embodiment of the present invention are separated.

FIG. 2 is a schematic rear view of the storage case body used in the storage case according to the embodiment of the present invention when viewed from the rear side.

FIG. 3 is a view showing a part of the storage case according to the embodiment of the present invention, and FIG. 3 (A) is a schematic sectional view showing a concave bearing portion provided in the storage case main body; (B) is a schematic front view showing a convex rotary shaft provided on the pedestal portion, and (C) is a schematic front view showing another embodiment of the convex rotary shaft provided on the pedestal portion. A front view and the same figure (D) are schematic front views showing still another embodiment of the convex rotary shaft provided on the pedestal portion.

[Explanation of symbols]

100 case body 121 Bearing 300 pedestal 311 rotation axis 321 Support

Claims (5)

(57) [Claims] 1. A storage case comprising a synthetic resin storage case main body and a synthetic resin pedestal portion rotatably supporting the storage case main body, wherein a protrusion provided on the pedestal portion or the storage case main body. -Shaped rotation shaft, a concave bearing portion provided on the storage case body or the pedestal portion and engaged with the rotation shaft, and a rotation blur prevention provided on the pedestal portion and / or the storage case body. And a plurality of convex supporting portions for storing the convex supporting portions, the convex supporting portions protruding from the pedestal portion and / or the storing case body. 2. The convex rotary shaft has a bulge portion on the tip side, and the concave bearing portion has a narrow frontage and a wide back side so that the bulge portion is press-fitted and engaged. The storage case according to claim 1, wherein the storage case is formed. 3. When the rotary shaft is engaged with a bearing portion, a space between the plurality of convex support portions and a surface of the pedestal portion and / or the storage case body facing the support portions is formed. The storage case according to claim 1 or 2, wherein the storage case is configured to have a short distance. 4. A recess is provided on an upper surface of the storage case body, and a pedestal portion of another storage case having the same structure as the storage case can be installed in the recess. The storage case according to item 1, 2 or 3. 5. The storage case according to claim 1, 2, 3 or 4, wherein the storage case body stores a recording medium.