JP2557353Y2 - Storage case for tape cassette - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tape cassette containing a tape such as a magnetic tape, and more particularly to a tape cassette storage case used for storing and transporting a commercial tape cassette such as a video cassette.

[0002]

2. Description of the Related Art Generally, a magnetic tape cassette is handled in a storage case for storage and sales. As shown in FIG. 7, a rectangular case main body a for storing a tape cassette has a hinge portion b as shown in FIG. A rectangular lid c that is integrally connected so as to be openable and closable, and a locking portion d is provided on an engagement surface between the case main body and the lid are often used.

[0003]

In the conventional case for storing a tape cassette used in business, even if there is an engaging portion, the frictional resistance is low, and it is weak in impact resistance due to settling or scraping, and the lid body is not used. There is a tendency for the tape cassette of the contents to pop out from the case and lose its dust-proof effect immediately, especially for commercial tapes, which are heavy and open during transportation, which may cause problems. When the structure has a high strength, the structure becomes complicated, and the operability is extremely complicated and deteriorated, which causes a problem in handling. The purpose of the present invention is to eliminate these conventional drawbacks.The case is designed to be highly safe when handling commercial tapes. It is another object of the present invention to provide a highly safe storage case for a tape cassette which is prevented from being deformed at the time of opening / closing operation, is durable, and has a high dust-proof property.

[0004]

According to the present invention, there is provided a cover body 3 integrally connected to a case body 1 capable of storing a tape cassette by a connecting portion 2 so as to be openable and closable, and the case body 1 and the cover body 3 are connected to each other. in the tape cassette storage case which is provided relative to the engaging portions 4, 4 ₁ in the case body 1 and the lid 3 which temporarily fixing engagement, the side walls to be fitted to each other in said case body 1 and the lid 3 part ₁ 1, _{3 1} projecting respectively, wherein forming the recessed wall portion 10 to the side wall _{1 1,} a bearing portion ₈₁ in the opposed wall portion 10 ₁ of the concave wall portion 10, the slit 9 in its upper portion the door is provided, as well as fitted rotatably in pivot shaft 8 of the locking piece 5 with a pivot shaft 8 fitted into the bearing portion ₈₁ in the recessed wall portion 10, the locking piece 5 is engaged and a stopper pawl portion 5 ₁ and the spring member 7, the recessed wall portion 1 of the side wall portion 3 ₁ of the lid 3
0 to form a recessed notch 3 ₂ corresponding portions, the edge of the concave cutout portion 3 ₂ is configured to be fitted into the slit 9, corresponding to the locking claw portion 5 ₁ of the locking piece 5 a tape cassette storage case, characterized in that the hooking portion 6 is provided at the center an outer surface of the concave notch portion 3 ₂ of the side wall portion 3 _1.

[0005]

[Action] In the storage case for a tape cassette of the present invention, when pressing the lower end of the locking piece 5 on the front wall of the case body 1, hanging the locking claw portion 5 ₁ at the other end portion is in the lid 3 When the lid 3 is released from the stopper 6 and the lid 3 can be opened, and the lid 3 is pulled up, the tape cassette developed and stored in the connecting portion 2 can be taken out of the case. on the other hand,
When stored is induced by the guide ₆₁ while pushing away with hooking portion 6 provided in the side wall portion 3 ₁ of the cover 3 when fitted to the cover 3 to the case body 1 hits the locking claw portion 5 ₁ of the locking piece 5,
Locking claw portion 5 ₁ of the locking piece 5 is locked pressed into hooking portion 6. In this case the spring member 7 gives the elastic action curved and concave notch portion 3 ₂ of the side wall portion 3 ₁ of the lid 3 to the slit 9 of the recessed wall portion 10 provided in the side wall portion 1 ₁ of the case body 1 is fitted engaging portion in a state where the side wall portion 3 ₁ of the cover 3 is fitted polymerized in the side wall portion 1 ₁ of the case body 1 with the wall is reinforced will be present on both sides of the engaging portion 6 4,4 ₁ Are temporarily engaged. Hook portion 6, the side wall portion 3 ₁ of the cover 3
, A constant locking force is maintained. As a result, the tape cassette can be safely and easily stored and stored in the case main body 1 for transportation and handling.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIGS. 1 to 6. A lid body 3 integrally connected to a case main body 1 capable of storing a tape cassette by a connecting portion 2 also serving as a back portion and a hinge portion so as to be freely opened and closed. provided, and the case body 1, convex portion is temporarily fixed locking the cover 3, the side wall portion 1 ₁ of the engaging portions 4, 4 ₁ a case body 1 and the lid 3 of the recess 3 ₁ opposing faces in the tape cassette storage case which is provided relative to, form a recessed wall portion 10 to the side wall 1 ₁ of the case body 1, the bearing portion 8 of the facing wall in the axial hole or recess of the concave wall portion 10 ₁ the provided, as well as fitted rotatably in pivot shaft 8 of the locking piece 5 with a pivot shaft 8 fitted into the bearing portion ₈₁ in the recessed wall portion 10, the locking piece 5 is engaging Claw part 5 ₁ and spring member 7
With the door, it is the hook member 6 provided in the side wall portion 3 ₁ of the lid 3 corresponding to the engaging claws 5 _1.

[0007] As the lock piece 5 in this embodiment,
A plate-like member having a flat surface along the case side wall on the front side, and one end a hook-shaped locking claw portion 5 ₁ of the back side, and the other end to the integrally molded leaf spring-like spring member 7 A pivot shaft 8 is provided at the center of both sides of the plate-shaped member, and a shaft hole 8 of a concave wall portion 10 formed at the center of the front wall side surface of the case body 1.
₁ is fitted with the pivot shaft 8 inserted therein, and has a configuration in which the surface thereof is locked with the front wall surface of the case body substantially aligned with the front wall surface. In other words, when the lid 3 is fixed to the case body 1, the case 3 has a substantially flat surface position with the front wall of the case. it can. Also, the lock piece 5 is different from the material of the case body 1,
POM with good lubricity and spring property because PP resin is weak
The position of the locking claw 5 and the pivot shaft 8 and the spring member 7 are made of resin or the like.
, Which helps to prevent sagging and scraping, and has a low frictional resistance to facilitate opening and closing operations.

[0008] and the case body 1 and the lid 3, the side wall portion fitted ₁ 1, _{3 1} are projected to each other. More portions corresponding to the recessed wall portion 10 of the side wall portion 3 _1, the side wall portion 3 ₁
Concave notch 3 ₂ by cutting out a substantially concave part is formed in the opposing walls 1 of the recessed wall portion 10 to fit the lock piece 5
0 ₁ the comprising a U-shaped slit 9 recessed notch 3 ₂ may be fitted into, aims to improve the strength of the dust-proof effect and the lid 3, whereby there as a case of out-preventing structure of the lock.

Furthermore, the hole the hook portion 6 is provided in the engagement is intended to interpolate fitting the stopper claws 5 _1, the central outer surface of the concave notch portion 3 ₂ of the side wall portion 3 ₁ of the cover 3 a part or the recess, have a guide ₆₁ inclined surface or tapered surface for guiding the locking claw portions 5 _1, there automatically lock as such closing the lid 3 . Also considered to allow the engagement portions 4 ₁ and smooth operation to form an inclined surface for guiding to either at least constituted by concavo-convex portion and the engaging claws 5 ₁ and the hook portion 6 Is preferred. Note the relationship between the hole or the recess of the locking claw portion 5 ₁ and a hook portion 6, the more bearing portions 8 ₁ of the pivot shaft 8 and the shaft hole or the fitting recess are in a relative relationship, precedent May be provided at a position opposite to the side wall, and the side wall portions ₁₁ ,
3 ₁ fitting position may also be reversed. In this case, it is considered that the concave wall portion 10 and the lock piece 5 fitted into the concave wall portion 10 are also provided on the lid body 3 instead of being provided on the case body 1 side. Further forming a pivot shaft 8 or tapered surface ₈₂ for at least one in the axial guidance of the opposing walls 10 ₁ with a bearing portion ₈₁ of the locking piece 5, fitted deployment lock piece 5 in the recessed wall portion 10 It is easy to do.

In the figure, reference numeral 11 denotes a rib which protrudes from the inner wall surface of the case body 1 and also serves to regulate the position of the tape cassette. Numeral 12 denotes a position regulating projection provided as needed. 13 serves dustproof, the displacement prevention by providing a seal state and Kakari支state of the connecting portion inner surface projecting from the side wall 1 ₁ of 2, 3 ₁ a partition protrusion. Reference numeral 14 denotes a rib projecting from the inner wall surface of the lid 3.

[0011]

[Effect of the invention The present invention is, on the side wall portion 1 ₁ of the case body 1 forming the concave walls 10, a bearing portion ₈₁ in the opposed wall portion 10 ₁ of the concave wall portion 10, the slit 9 in its upper portion the door is provided, as well as fitted rotatably in pivot shaft 8 of the locking piece 5 with a pivot shaft 8 fitted into the bearing portion ₈₁ in the recessed wall portion 10, the locking piece 5 is engaged and a stopper pawl portion 5 ₁ and the spring member 7, to form a recessed notch 3 ₂ corresponding to those in the concave wall portion 10 of the side wall portion 3 ₁ of the lid 3, the concave cutout portion 3 ₂ Is inserted into the slit 9,
By providing the hooking portion 6 corresponding to the locking claw portion 5 ₁ of the locking piece 5 to the central outer face of the concave notch portion 3 ₂ of the side wall 3 _1, both sides of the case body 1 and the lid 3 The overlapping portion of the wall is large, the rigidity of the lid 3 is increased, and the case is highly safe with greatly improved impact resistance. To prevent misalignment between the case body 1 and the lid 3, prevent deformation during opening / closing operation, secure a stable lock strength for a long time, and store a durable and dustproof tape cassette. A case that is suitable for handling and has high commercial value can be provided.

[Brief description of the drawings]

FIG. 1 is a plan view of a case body according to an embodiment of the present invention in a developed state in which a cover of a case body is opened.

FIG. 2 is an enlarged sectional side view taken along the line AA of FIG. 1, showing a state in which a lid is opened.

FIG. 3 is an enlarged sectional front view taken along the line BB of FIG. 1;

FIG. 4 is an enlarged cut-away side view showing an operating state in which a lid is closed along line AA in FIG. 1;

5 is an enlarged sectional side view taken along line CC of FIG. 1 and shows a state in which a lid is closed.

FIG. 6 is a perspective view showing a separated state of a main part.

FIG. 7 is a plan view of a conventional example in a developed state in which a cover of an entire case is opened.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Case main body 1 ₁ Side wall part 2 Connecting part 3 Lid 3 ₁ Side wall part 4 Engagement part 4 ₁ engagement part 5 Lock piece 6 Hook part 7 Spring member 8 Pivot shaft 8 ₁ Bearing part 9 Slit 10 Concave wall part 11 Rib 12 Position regulating protrusion 13 Partition protrusion 14 Rib

Claims (3)

(57) [Scope of request for utility model registration] 1. A cover 3 integrally connected to a case body 1 capable of storing a tape cassette by a connecting portion 2 so as to be openable and closable, and an engaging portion for temporarily fixing and locking the case body 1 and the cover 3. 4,4 ₁ in the case body 1 and the lid 3 and to the relative to the storage case for a tape cassette which is provided, the side wall portion 1 ₁ which are fitted to each other in said case body 1 and the lid 3,
3 ₁ The projecting respectively, wherein forming the recessed wall portion 10 to the side wall _{1 1,} bearing portions 8 to the opposing wall 10 ₁ of the concave wall portion 10
₁ and a slit 9 in the upper part thereof,
Together rotatably to fitted with a pivot shaft 8 to the lock piece 5 within the recessed wall portion 10 having a pivot shaft 8 fitted into _1, the locking piece 5 and the engaging claws 5 ₁ spring and a member 7, to form a recessed notch 3 ₂ corresponding to those in the concave wall portion 10 of the side wall portion 3 ₁ of the lid 3, the edge of the concave cutout portion 3 ₂ in the slit 9 is configured to be fitted, the locking piece side wall 3 a hooking portion 6 corresponding to the locking claw portion 5 ₁ of 5 ₁
Storage case tape cassette, characterized in that said provided at the center outer surface of the concave notch portion 3 _2. Wherein said hook portion 6, a hole or recess provided in the side wall portion 3 ₁ of interpolating the lid 3 fits the locking claw portion 5 ₁ of the locking piece 5, the locking tape cassette storage case according to claim 1, characterized in that it has a guide ₆₁ inclined surface or tapered surface for guiding the use claw portions 5 _1. 3. A pivot shaft 8 or a bearing portion 8 of the lock piece 5.
Storage case tape cassette according to claim 1, characterized in that the formation of the tapered surface ₈₂ for the axial guiding at least one ₁ of some of the opposed wall portion 10 ₁ of the recessed wall portion 10.