JP2006016024A - Storing case for tape cassette - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a storing case for a tape cassette which has no possibility of disconnecting an engagement by preventing a locking piece from being displaced from a second hinge part in the opposite direction even when a strong impact force is applied on a hinge part from the outside of the hinge part in the inward direction. <P>SOLUTION: A locking member which is inserted into a through-hole of an outer plate and is locked with the outer plate is formed on the opposite side of the peripheral plate of the locking piece. Under a condition that the lid part is closed to the storing part, by revolving the locking piece around the second hinge part as a center and inserting an engaging member into the through-hole to engage it on the inside of the outer plate, the locking piece is prevented from being displaced from the second hinge part in the opposite direction. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a storage case for a magnetic tape cassette used for storing and protecting a tape cassette at a broadcasting station.

  In general, a tape cassette used in a broadcasting station is larger and heavier than a commercially available video tape cassette or the like. Therefore, when the tape cassette is dropped, the impact on the tape cassette is large, which causes damage to the tape cassette. For this reason, in order to prevent the tape cassette from being damaged by an impact, it is stored in a dedicated synthetic resin storage case during storage and transport.

As an example of such a conventional tape cassette storage case, a tape cassette storage case including a storage portion, a lid portion, and a hinge portion is known (see, for example, Patent Document 1).
JP 2002-179176 A

  FIG. 5 is a view showing a conventional tape cassette storage case described in Patent Document 1. As shown in FIG. As shown in the figure, a conventional tape storage case 100 has a hard type case main body, and the case main body includes a storage portion 101 for storing a cassette case, and a lid that covers the storage portion 101. Part 102, and a back plate 103 that connects storage part 101 and lid part 102.

  Further, in an environment where a large amount of tape cassettes are handled like a broadcasting station, the tape cassette storage cases are often stacked and stored or transported in a state where the tape cassettes are stored in a tape cassette storage case. Therefore, the conventional tape cassette storage case is provided with a rib 102a erected from the peripheral edge on the upper surface of the lid 102 of the tape cassette storage case 100, as shown in FIG. By fitting the rib 102a with a recess or a step formed on the bottom of the storage part of another tape cassette storage case to be overlaid, the cassette case stored with the impact that the stacked tape cassette storage case collapses pops out. To prevent damage.

However, the tape cassette storage case 100 according to the conventional product has a strong impact force when it is dropped or the like in the engagement between the locking portion 44 of the lock piece 14 ′ which is the main engagement mechanism and the engagement portion 39 of the lid portion 102. When the hinge portion 15 is applied in the direction from the outside to the inside of the hinge portion 15, the engagement may be disengaged.
The present invention has been made to solve such a problem, and even when a strong impact force is applied to the hinge portion 15 in the direction from the outside to the inside of the hinge portion 15 at the time of dropping, the engagement is not released. It aims at providing the storage case for tape cassettes.

In order to solve the above-mentioned problems, the invention according to claim 1 relates to a storage case for a tape cassette, comprising: a storage part for storing a tape cassette; a cover part covering the storage part; the storage part and the cover part; A tape cassette storage case comprising a back plate that is openably and closably connected by a first hinge portion, wherein an outer plate is erected on the opposite side of the first hinge portion to the lid portion, and On the other hand, a peripheral plate is erected on the opposite side surface of the first hinge portion to the storage portion, and a lock piece is inserted through the second hinge portion at a central lower end of the peripheral plate. In the tape cassette storage case supported so as to be pivotable with respect to the lock plate, a locking member inserted into the through hole of the outer plate and locked to the outer plate is formed on the side of the lock piece facing the peripheral plate. And the lid portion is opposed to the storage portion. In Te closed, by inserting the engaging member into the through hole of the locking piece to pivot about the second hinge portion, and characterized in that engaged on the inside of the outer plate.
According to a second aspect of the present invention, in the tape cassette storage case according to the first aspect, when the impact force is applied to the storage case in a state where the engagement member is inserted into the through hole, the engagement member is It is characterized in that the engagement member is still kept engaged with the inner side of the outer plate by abutting the periphery of the through hole.

With the configuration as described above, even if a strong impact force is applied to the second hinge portion in the direction from the outside to the inside of the hinge portion, the lock piece is pivoted about the second hinge portion to move the engagement member. Since it is inserted into the through hole and engaged with the inside of the outer plate, a tape cassette storage case that is not disengaged can be obtained.
Even if a strong impact force is applied to the hinge portion in the direction from the outside to the inside of the hinge portion, the engagement member abuts on the periphery of the through hole, so that the engagement is not released.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a perspective view of a tape cassette storage case according to an embodiment of the present invention, and is a perspective view showing a state in which the lid portion is half-closed. FIG. 2 is a tape cassette storage case according to an embodiment of the present invention. FIG. 3 is a perspective view showing a state in which the lid of the tape cassette storage case of FIG. 1 is closed.

  As shown in FIG. 1, a tape cassette storage case 10 according to the present invention is integrally molded using a polymer resin such as polypropylene (PP) as a material, and stores a tape cassette C indicated by a two-dot chain imaginary line. The storage part 11, the cover part 12 formed so that this storage part 11 can be covered, and the backplate 13 via the 1st hinge part 41 which connects the storage part 11 and the cover part 12 so that opening and closing is possible. I have. Further, the tape cassette storage case 10 includes a lock piece 14 supported by the storage portion 11 via the second hinge portion 15.

  The storage unit 11 has a bottom plate 16 having a substantially rectangular shape in plan view. Peripheral plates 17, 18, 19, and 20 are formed upright on the long edge and short edge of the bottom plate 16 so as to surround the periphery of the portion in which the tape cassette C is stored. The peripheral plate 17 is disposed on the front side of the storage unit 11, the peripheral plate 18 is disposed on the back side of the storage unit 11, and the peripheral plates 19 and 20 are disposed on the left / right side of the storage unit 11.

  A pair of reel locking ribs is formed at the center of the bottom plate 16 of the storage unit 11. By inserting a reel hole of a winding hub (not shown) provided in the magnetic tape cassette C into the reel locking rib, the magnetic tape cassette C is positioned in the storage portion 11. A pair of first engaging portions 28 are formed at both ends of the front side surface (front side surface in FIG. 1) of the peripheral plate 17 in the storage portion 11.

On the other hand, the lid 12 has a substantially rectangular top plate 35 as viewed from above in FIG. An outer plate 29 is erected on one long edge side of the top plate 35 to form a long notch 34 near the center of the lower side. Outer plates 30 and 31 are erected on two short edges of the top plate 35.
The lid 12 has a top plate 35 connected to the back plate 13 via the first hinge portions 40 and 41 on the other long edge side. The storage portion 11 is connected to the back plate 13 via the first hinge portion 40 at the long edge located on the peripheral plate 18 side. The storage portion 11 and the lid portion 12 are configured to be openable and closable by the first hinge portions 40 and 41 of the back plate 13. With the lid 12 closed, the inner surfaces of the outer plates 29, 30, 31 of the top plate 35 of the lid 12 are configured to face the outer surfaces of the peripheral plates 17, 19, 20 of the storage unit 11. Yes.

On the outer surface of the top plate 35 of the lid portion 12, ribs 45, 46, 47, and 48 are projected along the periphery of the top plate. These ribs 45, 46, 47, and 48 are configured to be able to engage with recesses or stepped portions in the storage portion of the tape cassette storage case. Thus, when the tape cassette storage cases are overlapped with each other, the lid portion of one tape cassette storage case is engaged with the storage portion of the other tape cassette storage case.
Further, a label sheet storage area 50 is partitioned.

  A pair of first locking portions are formed inside the outer plate 29 located on the opposite side of the lid portion 12 from the first hinge portions 40, 41, and the first locking portions are the lid portion 12. When the is closed, it is configured to engage with the first engagement portion 28 in the peripheral plate 17 of the storage portion 11.

A through hole 130 is formed in the outer plate 29 of the lid 12.
A plate-like lock piece 14 having a trapezoidal shape is formed at the lower end of the center of the peripheral plate 17 on the front side of the storage unit 11. A second hinge portion 15 is formed at the boundary between the lock piece 14 and the peripheral plate 17, and the lock portion 14 can be inclined to the peripheral plate 17 side by the second hinge portion 15. On the other hand, it is supported movably. The lock piece 14 is formed with a second locking portion 140 that can be engaged with the through hole 130 formed in the outer plate 29 of the lid portion 12.

  In the tape cassette storage case 10, when the lid portion 12 is closed with respect to the storage portion 11, the first engaging portions 31 of the lid portion 12 engage with the first locking portions 28, respectively. The storage portion 11 and the lid portion 12 can be locked to each other by inserting and engaging the second locking portion 140 of the lock piece 14 into the through hole 130 of the lid portion 12.

FIG. 2 is a longitudinal sectional view showing the configuration of the lock piece 14 according to the present invention.
In the figure, reference numeral 14 denotes a lock piece of a tape cassette storage case, which has a second engaging portion 140 formed in the central portion facing the outer plate 29 side. The arm length of the second engaging portion 140 is equal to or greater than the thickness of the outer plate 29 of the lid portion 12, and the tip of the second engaging portion 140 is a key-shaped portion 140 a that is hooked on the wall surface of the outer plate 29. .
The size of the through hole 130 is the size of the last part in which the key-like part 140a of the second engaging part 140 is inserted, and therefore the second engaging part 140 cannot move greatly in the through hole 130. .

  Therefore, even if the tape cassette storage case falls on the floor at any moment and a large impact force F is applied to the corner of the bottom, the second engagement portion 140 of the lock piece 14 remains on the wall surface of the through hole 130. Since it abuts on the (periphery) and does not move upward any further, the engagement will not be released.

  FIG. 3 shows a state in which the lid portion is closed in this way. In this state, the first engagement portions 31 of the lid portion 12 are engaged with the first locking portions 28, respectively, and the lock pieces 14 are 2 Since the engaging portion 140 is engaged with the through-hole 130, the tape cassette storage case 10 is dropped from the shelf, the engagement is released, and the lock is not released.

  As described above, according to the present invention, even if a strong impact force is applied to the hinge portion 15 in the direction from the outside to the inside of the hinge portion 15, the lock piece is displaced from the second hinge portion in the opposite direction. Since it is prevented by the engagement between the second locking portion and the through hole, a tape cassette storage case that is not easily disengaged can be obtained.

It is a perspective view of the storage case for tape cassettes concerning embodiment of this invention, and is a figure which shows the state which closed the cover part half. It is a longitudinal section showing a lock piece concerning an embodiment of the invention. It is a figure which shows the state which closed the cover part of the storage case for tape cassettes of FIG. It is a figure which shows the conventional storage case for tape cassettes described in patent document 1. FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Tape cassette storage case 11 According to the present invention Storage unit 12 Cover unit 13 Back plate 14 Lock plate 15 Second hinge unit 16 Bottom plate 17, 18, 19, 20 Peripheral plate 28 First engagement unit 29, 30, 31 Outside Plate 35 Top plate 40, 41 First hinge portion 45, 46, 47, 48 Rib 50 Label sheet storage region 130 Through hole 140 Second engagement portion 140a Key portion C Tape cassette F Large impact force applied to corner of bottom portion

Claims (2)

A tape cassette storage case comprising: a storage unit that stores a tape cassette; a lid that covers the storage unit; and a back plate that connects the storage unit and the lid so as to be opened and closed by a first hinge unit. The lid portion has an outer plate erected on the opposite side surface of the first hinge portion and has a through hole formed in the outer plate, while the storage portion has a peripheral plate on the opposite side surface of the first hinge portion. In the tape cassette storage case, wherein the lock piece is supported so as to be pivotable with respect to the peripheral plate via a second hinge portion at the central lower end of the peripheral plate.
A locking member that is inserted into the through hole of the outer plate and locked to the outer plate is formed on the side of the lock piece facing the peripheral plate, and the lid portion is closed with respect to the storage portion, A tape cassette storage case, wherein the lock piece is pivoted about the second hinge portion, the engagement member is inserted into the through hole, and is engaged with the inside of the outer plate.   When an impact force is applied to the storage case with the engaging member inserted into the through hole, the engaging member is still in contact with the periphery of the through hole, so that the engaging member is still inside the outer plate. The tape cassette storage case according to claim 1, wherein the tape cassette storage case is maintained in an engaged state.

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