JPS6344288U

JPS6344288U -

Info

Publication number: JPS6344288U
Application number: JP13806886U
Authority: JP
Priority date: 1986-09-09
Filing date: 1986-09-09
Publication date: 1988-03-24
Anticipated expiration: 2001-09-09
Also published as: JPH0514383Y2

Description

[Brief explanation of the drawing]

第１図乃至第３図は本考案の第１実施例を示す
もので、第１図は前蓋スプリングと前蓋の要部の
斜視図、第２図は上ハーフを内面側から見た要部
の断面底面図、第３図は第２図の―断面図、
第４図は第２実施例の前蓋スプリングと前蓋の要
部の斜視図、第５図は第３実施例の要部断面図、
第６図及び第７図は従来例を示し、第６図は磁気
テープカセツトを下ハーフ側からみた一部切欠き
背面図、第７図は第６図の―断面図である。１……カセツト本体、２……上ハーフ、３……
下ハーフ、４……カセツト本体、５……磁気テー
プ、８……前蓋、８ｃ……側板、１４……装着凹
部、２０，３１……前蓋スプリング、２０ａ，３
１ａ……固定端、２０ｃ，３１ｄ……スプリング
部、２１，２７，２８……スプリング係止軸、２
１ａ，２７ａ……面取り部、２２，２６，２９…
…回動支軸、２２ａ，２６ａ……抜け止め凹部。 Figures 1 to 3 show the first embodiment of the present invention. Figure 1 is a perspective view of the front lid spring and main parts of the front lid, and Figure 2 is a main part of the upper half viewed from the inside. Figure 3 is a cross-sectional view of Figure 2.
FIG. 4 is a perspective view of the front lid spring and main parts of the front lid of the second embodiment, and FIG. 5 is a sectional view of the main parts of the third embodiment.
6 and 7 show a conventional example. FIG. 6 is a partially cutaway rear view of the magnetic tape cassette seen from the lower half side, and FIG. 7 is a cross-sectional view taken from FIG. 6. 1...Cassette body, 2...Upper half, 3...
Lower half, 4...Cassette body, 5...Magnetic tape, 8...Front cover, 8c...Side plate, 14...Mounting recess, 20, 31...Front cover spring, 20a, 3
1a... Fixed end, 20c, 31d... Spring portion, 21, 27, 28... Spring locking shaft, 2
1a, 27a... Chamfered portion, 22, 26, 29...
...Rotation shaft, 22a, 26a... Recessed portion.

Claims

[Scope of utility model registration request]

In a magnetic tape cassette provided with a front lid spring that always biases in the closing direction a front lid that covers a magnetic tape that is fed out to the front of the cassette body from a winding reel housed in a cassette body consisting of an upper half and a lower half. 1. A magnetic tape cassette, characterized in that a spring locking shaft is arranged in parallel near the pivot shaft of the front cover, and a fixed end of the front cover spring is locked to the spring locking shaft.