JPS6294476U

JPS6294476U -

Info

Publication number: JPS6294476U
Application number: JP18532585U
Authority: JP
Priority date: 1985-11-29
Filing date: 1985-11-29
Publication date: 1987-06-16

Description

[Brief explanation of the drawing]

第１図は、この考案の実施例を示す磁気テープ
カセツトの左端部のみの分解斜視図、第２図は、
同カセツトの要部横断平面図、第３図は、第２図
のＡ―Ａ線断面図、第４図は、他の実施態様を示
す磁気テープカセツトの要部横断平面図、第５図
は、磁気テープカセツトの従来例を示す左端部の
みの分解斜視図、第６図は、同カセツトの要部縦
断面図である。３１…カセツトケース、３２…上ハーフ、３３
…下ハーフ、４６…前カバー、３８…ロツクレバ
ー、３９…ロツク爪、４０…ロツク解除爪、４１
，４２…通孔、４９…凹部、３８ａ…ロツクレバ
ーの可動片、３８ｂ…ロツクレバーの固定片、５
０…突起、３３ａ…下ハーフのコーナ部。 FIG. 1 is an exploded perspective view of only the left end of a magnetic tape cassette showing an embodiment of this invention, and FIG.
FIG. 3 is a cross-sectional view taken along the line AA in FIG. 2, FIG. 4 is a cross-sectional plan view of the main part of the magnetic tape cassette showing another embodiment, and FIG. FIG. 6 is an exploded perspective view of only the left end of a conventional magnetic tape cassette, and FIG. 6 is a vertical sectional view of the main part of the cassette. 31...Cassette case, 32...Upper half, 33
...Lower half, 46...Front cover, 38...Lock lever, 39...Lock claw, 40...Lock release claw, 41
, 42... Through hole, 49... Recess, 38a... Movable piece of lock lever, 38b... Fixed piece of lock lever, 5
0...Protrusion, 33a...Corner part of lower half.

Claims

[Claims for Utility Model Registration] 1. A front cover 46 that covers the front surface of the case 31 is attached to the upper half 32 of the cassette case 31 so as to be openable and closable, and the lower half 3 of the cassette case 31
A lock lever 38 is attached to the lock lever 3, and the tips of a lock claw 39 and a lock release claw 40 provided on the lock lever are connected to a through hole 41 formed in the lower half 33.
, 42 to the outside of the lower half 33, and is provided with a recess 49 at a position facing the lock claw when the front cover 46 is closed.
8 consists of an elastic side L-shaped leaf spring,
One movable piece 38a is provided with a lock pawl 39 and a lock release pawl 40, and the lock lever 38 is housed therein along the corner portion 33a of the lower half 33, and the fixed piece 3 of the plate 38 is housed therein.
8b is fixed to the lower half 33. 2 The fixing means of the fixing piece 38b of the lock lever 38 is erected inside the lower half 33, and the fixing piece 38 is placed between the corner part 33a of the lower half 33.
A front cover locking device according to claim 1 of the utility model registration claim, which comprises a protrusion 50 which is fixed by sandwiching b.