JPH0585585A - Tape cassette case - Google Patents

Abstract

PURPOSE:To hold a tape cassette securely in place and protect it perfectly from external shocks by attaching a low elastic rubber made cushioning member provided with a cassette detachment preventing part to each of the corners of a cassette receiving part. CONSTITUTION:In a tape cassette case 1 provided with a case body 2 and a lid 4 having one side edge swingingly attached to the case body by hinges 3 and with a cassette receiving part 5 consisting of receiving recess parts 6 and 7 for receiving therein a tape cassette T in the cooperation of the case body 2 and the lid 4 when they meet, a cushioning member 20 is attached to each corner of the receiving recess parts 6 and 7 to receive the four corners of the tape cassette T. The cushioning material 20 is made of a low elastic rubber material and provided with a cassette detachment preventing part 22 having a cylindrical part 24 at the end of a projection extending from the rear face of a cassette supporting part 21 on the opposed side from its supporting step part 23. By this method, each of the four corners of the tape cassette T is supported securely.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tape cassette case for housing a tape cassette.

[0002]

2. Description of the Related Art Heretofore, various types of tape cassette cases for storing various video tape cassettes have been proposed, such as a box-shaped paper case or synthetic resin case for covering the tape cassette. By the way, in recent years, in order to improve the image quality, commercial tape cassettes have become larger in size than consumer tape cassettes. In particular, some digital cassette tapes for digital recording and reproduction for business use have a large width of 366 mm, a vertical width of 206 mm, and a thickness of 33 mm, and the weight thereof is considerably heavy.

As the size of the tape cassette becomes larger in this way, the weight of the tape cassette cannot be withstood in a case that is simply formed in a box shape, and it is not possible to maintain sufficient strength when carrying the tape. Cannot be achieved.

Therefore, there has been proposed a tape cassette case made of synthetic resin, such as a so-called hard case or a carrying case, in which the tape cassette is housed in the cassette housing portion to protect it. A case shown in FIG. 6 is known as such a tape cassette case.
The tape cassette case 50 shown in FIG. 6 includes a case main body 51 and a lid 53 rotatably attached to one side of the case main body 51 via a hinge 52. is doing. The case main body 51 and the lid 53 are provided with cassette storage portions 54 and 55 that cooperate with each other to store the tape cassette T when they are butted. Then, on the outer surface of the other side portion of the lid 53, a pair of locking members 57, 57 that engage with a pair of engaging portions 56, 56 provided on the outer surface of the other side portion of the case body 51.
Is attached so that the closed state of the lid 53 can be maintained with respect to the case main body 51.

[0005]

By the way, in the above-mentioned conventional tape cassette case, as is clear from the cross-sectional view showing the storage state of the tape cassette T shown in FIG. 7, the inner surface portions of the cassette storage portions 54 and 55. Is in a state of directly supporting the tape cassette T. Here, the case body 51 and the lid 53 of the tape cassette case 50 are
Is formed of a hard synthetic resin material so as to have durability against an impact such as a drop.

However, when a shock such as a drop is applied to the case 50 with the tape cassette T stored therein,
In the case 50, the tape cassette T may collide violently with the inner surfaces of the case main body 51 and the cassette accommodating portions 54 and 55 of the lid 53, and the tape cassette T may be damaged by its own weight.

The tape cassette case 50 is also used.
Is not fixedly stored so that the tape cassette T to be stored in the cassette storage portions 54 and 55 cannot be moved at all, and is provided with a slight gap so that fingers or the like can be inserted to take out the tape cassette T. Cassette storages 54 and 55 are provided. Therefore, when the tape cassette T is accommodated in the cassette accommodating portions 54 and 55 and the tape cassette case 50 is carried, vibration of the tape cassette T causes the outer casing and the cassette accommodating portions 54 and 55 of the cassette body of the tape cassette T to move. In some cases, the inner surface portion rubbed against each other, resulting in chipping, and fine powder falling. And such scraping powder is tape cassette T
If it enters the inside, it will adversely affect the recording and reproduction on the magnetic tape wound in the tape cassette T.

Therefore, the tape cassette case according to the present invention is intended to securely protect the tape cassette and to completely protect the accommodated tape cassette even when the case itself receives an impact such as a drop. It is what

[0009]

In order to solve the above problems and achieve the above object, a tape cassette case according to the present invention is rotatable with respect to the case body and a hinge portion with respect to the case body. And a lid housing attached to the case body, and the case body and the lid body are provided with a cassette housing portion that cooperates with each other to store the tape cassette when they are butted against each other, and each corner portion of the cassette housing portion is provided. Cushion members corresponding to the four corners of the tape cassette that is formed of a low impact resilience rubber material and is accommodated are attached, and each of the cushion members engages with an engaging portion provided on the case body or the lid,
The cassette storage portion has a retaining portion for preventing the cassette from accommodating in the direction along the main surface portion and in the direction away from the main surface portion. That is, according to the present invention, the cushioning member is attached so as not to fall off from the cassette housing portion of the tape cassette case.

[0010]

In the tape cassette case according to the present invention, the four corners of the tape cassette are fixed by the cushioning members provided at the respective corners of the cassette housing portion. The case for the tape cassette protects the tape cassette that accommodates the shock by the shock absorbing member even if the case itself receives a shock such as a drop.

Further, the buffer member can be surely prevented from falling off from the tape cassette case by the retaining portion.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will be described below with reference to the drawings. A tape cassette case 1 according to the present invention includes a case body 2 and a lid body 4 rotatably attached to one side portion of the case body 2 via a hinge portion 3. Become.

Further, the case body 2 and the lid body 4 are provided with a cassette housing portion 5 which cooperates with each other to house the tape cassette T when they are butted. The cassette storage portion 5 is composed of a storage recess 6 provided in the case body 2 and a storage recess 7 provided in the lid 4 so as to face the storage recess 6.

A pair of lock members 9, 9 is provided on the outer surface 4a of the other side of the lid 4. on the other hand,
On the outer side surface 2a of the other side portion of the case body 2, a pair of engaging portions 8, 8 that engage with the lock members 9, 9 are provided. Therefore, when the lid 4 is closed, the lock members 9, 9 are engaged with the engaging portions 8, 8 of the case body 2 so that the closed state of the lid body 4 with respect to the case body 2 can be maintained. Has been done.

Further, the case body 2 and the lid body 4 are provided with gripping holes 10 and 11 on the other side portions thereof so as to face each other. Therefore, when the case body 2 and the lid body 4 are butt-closed to each other, the handle holes 10 and 11 are communicated with each other, and the other side edges of the handle holes 10 and 11 carry the tape cassette case 1. It is used as a handle for the occasion.

A positioning projection 13 is provided at a substantially central position on the outer side wall of the storage recess 6 of the case body 2 which constitutes the cassette storage portion 5. The positioning projection 1 of the case body 2 is provided on the outer side wall of the storage recess 7 of the lid 4.
A positioning recess 14 is provided corresponding to the number 3. The positioning projection 13 and the recess 14 are fitted to each other, so that the case body 2 and the lid body 4 are brought into contact with each other when the storage recessed portion 6 on the case body 2 side and the storage recessed portion 7 on the lid body 4 side are butted. The positioning is achieved so that the cassette storage section 5 can be reliably constructed.

On both side walls of the storage recess 6 on the case body 2 side, recesses 15, 15 into which fingers and the like are inserted when the tape cassette T to be stored is taken out are provided.

Next, the respective corners of the storage recesses 6 and 7 formed in the case body 2 and the lid 4 constituting the cassette storage portion 5 are buffered so as to correspond to the four corners of the tape cassette T to be stored. Each member 20 is attached.
The cushioning member 20 supports the four corners of the tape cassette T, and prevents the tape cassette T from being impacted in the cassette housing section 5.

The buffer member 20 is made of a low repulsion elastic rubber material. Butyl rubber is suitable as the low impact resilience rubber material forming the buffer member 20. This butyl rubber has a rebound resilience of about 15 ± 5% and is suitable as a cushioning member.

The state of attachment of the buffer member 20 to the corner portion of the cassette housing portion 5 will be described in an enlarged manner with reference to FIGS. The cushioning member 20 includes a cassette support portion 21 that supports the tape cassette T, and a slip-out preventing portion 22 that serves as a slip-out preventing portion that prevents the tape cassette 20 from being detached from the cassette housing portion 5.

The cassette supporting portion 21 is shown in FIGS.
As shown in FIG. 5, a support step portion 23 formed in a shape corresponding to the shape of one corner of the tape cassette T is provided. Then, the corner portion of the tape cassette T is placed on the support step portion 23.

Next, the slip-out preventing portion 22 is formed so as to project from the rear surface side of the cassette supporting portion 21 opposite to the supporting step portion 23, and the cylindrical portion 24 is provided on the tip side. The cylindrical portion 24 engages with a slip-out preventing portion engagement groove 32 that serves as an engagement portion described later, and is disengaged in the direction along the main surface portion 5a of the cassette storage portion 5 indicated by an arrow x in FIG. It is for stopping.

Further, on the back surface side of the cassette supporting portion 21, fitting recesses 25, 25 serving as retaining portions are provided at positions on both sides of the slip-out preventing portion 22. The fitting recesses 25, 25 are fitted with fitting projections 33 serving as engaging portions provided on the cushioning member mounting recess 30 side of the cassette housing portion 5 described later, and this cushioning member indicated by arrow y in FIG. 20
Is for preventing the cassette storage portion 5 from coming off in the direction away from the main surface portion 5a.

The buffer member 20 constructed as described above is
The case body 2 or the lid 4 is engaged and attached to the cushioning member attachment recesses 30 provided at the respective corners of the storage recesses 6 and 7 forming the cassette storage unit 5. The buffer member mounting recess 30 is formed in a shape corresponding to the shape of the buffer member 20. That is, the mounting recess 30
Fitting support recesses 31 formed in the corners of the storage recesses 6, 7 in a shape corresponding to the cassette support 21 of the cushioning member 20, and protruding outward from the side wall corners of the storage recesses 6, 7. Engagement groove 32 for drop-off prevention portion formed
Consists of. Then, while the cassette supporting portion 21 of the buffer member 20 is fitted into the fitting supporting concave portion 31,
By engaging the drop-out preventing portion 22 with the drop-out preventing portion engaging groove 32, the cushioning member 20 is moved to the main surface portion 5a.
It is attached so as to be prevented from coming off in the direction x along the direction.

A fitting projection 33 is provided on the side wall 30a of the mounting recess 30 at a position corresponding to the fitting recess 25 of the cassette support 21. This fitting protrusion 3
Reference numeral 3 is for fitting with the fitting recess 25 of the cassette supporting portion 21 as shown in FIG. Then, by fitting the fitting protrusion 33 with the fitting recess 25,
The buffer member 20 is prevented from coming off in the direction y in which it is separated from the main surface portion 5a of the cassette housing portion 5.

Therefore, the cushioning member 20 is positioned and fixed so as not to move relative to the cassette housing portion 5 either in the direction x along the main surface portion 5a side or in the direction y away from the main surface portion 5a side. Be done. Then, they are attached to the four corners of the storage recesses 6 and 7 constituting the cassette storage unit 5, respectively.

The cassette supporting portion 21 of the cushioning member 20 fitted into the fitting supporting portion 31 has its supporting step surface 23a slightly higher than the main surface portion 5a of the cassette accommodating portion 5. There is. In addition, the cassette support 2
1, the side surface 23b of the support step portion 23 is the storage recess 6,
The side walls 6a and 7a of 7 are slightly protruded toward the cassette housing portion 5 side.

Further, the fitting member 20 has a height corresponding to the depth of the accommodating recesses 6 and 7, and the top surface thereof is flat. When the accommodating recesses 6 and 7 are butted to form the cassette accommodating portion 5, the cushioning members 20 and 20 facing each other as shown in FIG. To do. Therefore, when the case body 2 and the lid 4 are butted to form the cassette housing portion 5, the tape cassette T to be housed can be sandwiched by the buffer members 20, 20 facing each other at the four corners of the housing recesses 6, 7. It is done like this.

When the tape cassette T is accommodated in the tape cassette case having the cassette accommodating portion 5 to which the cushioning member 20 is attached as described above, the tape cassette T has four corners as shown in FIG. It is securely clamped and supported immovably by 20. Here, in the tape cassette T accommodated in the cassette accommodating portion 5, the support step portion surface 23a of the cassette supporting portion 21 of the buffer member 20 is located at a position higher than the main surface portion 5a of the cassette accommodating portion 5 as described above. Therefore, the outer casing surface is supported with the outer casing surface slightly separated from the main surface portion 5a of the cassette housing portion 5. In addition, the cassette support portion 21 has the storage recesses 6, 7
Since the side surface 23b of the support step portion 23 is located at a position slightly protruding from the side walls 6a and 7a toward the cassette storage portion 5 side than the side walls 6a and 7a, the side surface of the outer casing of the tape cassette T is Side walls 6a and 7a of the cassette storage section 5
Do not come into contact with.

Therefore, the tape cassette T accommodated in the cassette accommodation section 5 is contacted and supported only by the cushioning members 20 provided at the four corners of the accommodation recesses 6 and 7 constituting the cassette accommodation section 5, and the case body. 2 and the storage recess 6 for the lid body 6,
The inner surface of 7 is not contacted. Therefore,
When carrying the tape cassette case 1,
When an impact such as a drop is applied, the accommodated tape cassette T is supported only by the cushioning member 20 in the cassette accommodating portion 5, and the impact is reliably absorbed by the cushioning member 20. Therefore, it is not damaged by its own weight.

Further, when the tape cassette case 1 is carried, the outer casing surface of the tape cassette T and the inner surface of the cassette housing portion 5 do not rub against each other. Therefore, there is no possibility of powder falling due to friction between the outer casing of the tape cassette T and the inner surface of the cassette housing portion 5, and such powder falling may adversely affect the magnetic tape in the tape cassette T. There is no.

[0032]

In the tape cassette case according to the present invention, the four corners of the tape cassette can be clamped and fixed by the cushioning members provided at the respective corner portions of the cassette housing portion. Even if the case itself receives an impact due to a drop or the like, the impact can be absorbed by the cushioning member, so that the tape cassette housed in the cassette housing can be completely protected.

Further, the cushioning members for supporting the four corners of the tape cassette are surely prevented from coming off from the tape cassette case by the retaining portions.

[Brief description of drawings]

FIG. 1 is a perspective view of a tape cassette case according to the present invention in an open state.

FIG. 2 is an enlarged plan view of an essential part showing a mounting state of a cushioning member used in the tape cassette case according to the present invention.

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

4 is a sectional view taken along line BB of FIG.

FIG. 5 is a cross-sectional view showing a closed state of the tape cassette case according to the present invention.

FIG. 6 is a perspective view of a conventional tape cassette case in an open state.

FIG. 7 is a cross-sectional view showing a closed state of a conventional tape cassette case.

[Explanation of symbols]

 1 ... Tape cassette case 2 ... Case body 3 ... Hinge part 4 ... Lid body 5 ... Cassette storage part 20 ... Buffer member 21 ... Cassette support part 22 ... Fall-out prevention part 25 ·· Fitting recess 32 · · Locking prevention part Engagement groove 33 · · Fitting protrusion

Claims (1)

[Claims] 1. A case body, and a lid body rotatably attached to the case body via a hinge portion. The case body and the lid body cooperate with each other when abutted against each other. A cassette housing portion for housing the tape cassette is provided, and at each corner portion of the cassette housing portion, a cushioning member formed of a low repulsion elastic rubber material and corresponding to the four corners of the tape cassette to be housed is attached, Each of the cushioning members engages with an engaging portion provided on the case main body or the lid, and prevents the stopper from slipping out in a direction along the main surface portion of the cassette housing portion and in a direction away from the main surface portion. Case for tape cassette that has parts.