JPH02144176U

JPH02144176U -

Info

Publication number: JPH02144176U
Application number: JP5163389U
Authority: JP
Priority date: 1989-05-02
Filing date: 1989-05-02
Publication date: 1990-12-06
Anticipated expiration: 2004-05-02
Also published as: JPH079264Y2

Description

[Brief explanation of drawings]

第１図は全体の斜面図、第２図は一部を切欠し
て内部を示した一部の拡大斜面図、第３図はロツ
クレバーの正面図、第４図はその平面図、第５図
はその側面図、第６図ａ〜ｃはそれぞれ作用状態
の側面図、第７図はケース組込状態の一部の側面
図、第８図はその平面図、第９図は従来例の一部
の縦断面図である。１……ケース、２……前蓋、３……前蓋用バネ
部材、４……ロツクレバー、４_１……ロツク爪、
４_２……ガイド溝、５……支軸、６……トーシヨ
ンバネ、６_１，６_２……バネ端部、７……バネ受
部、８……係止部、９……仕切壁、１０……区画
壁、１２……規制用リブ。 Figure 1 is an overall slope view, Figure 2 is an enlarged slope view showing the inside with a portion cut away, Figure 3 is a front view of the lock lever, Figure 4 is its plan view, and Figure 5. 6 is a side view of the same, FIG. 6 a to c is a side view of the operating state, FIG. 7 is a side view of a part of the case assembled state, FIG. 8 is a plan view of the case, and FIG. 9 is a part of the conventional example. FIG. DESCRIPTION OF SYMBOLS 1...Case, 2...Front cover, 3...Front cover spring member, 4...Lock lever, 4 ₁ ...Lock claw,
4 ₂ ... Guide groove, 5 ... Support shaft, 6 ... Torsion spring, 6 ₁ , 6 ₂ ... Spring end, 7 ... Spring receiving part, 8 ... Locking part, 9 ... Partition wall, 10 ... Compartment wall, 12 ... Regulatory rib.

Claims

[Scope of Claim for Utility Model Registration] (1) A case that houses a magnetic tape and is composed of an upper case and a lower case, that protects the magnetic tape that is stretched on the front of the case, and that allows the front of the case to be opened and closed. In a magnetic tape cassette, the magnetic tape cassette is provided with a front cover provided on the front cover, a spring member that biases the front cover in the closing direction, and a lock lever that maintains the front cover in the closed position,
One end of the torsion spring is brought into contact with a spring receiver provided on the side wall of the case so that the lock lever is biased to the lock position by a torsion spring attached to a support shaft protruding from the case, and the other end of the torsion spring is A partition wall is provided in the lower case to be engaged with a locking part formed on the lock lever, the lock lever is guided by a position regulating rib provided on the upper case, and to regulate the position of the tip of the torsion spring on the lock lever side. A magnetic tape cassette featuring: (2) The lock lever is arranged so that it can be engaged with a position regulating section formed in the upper case by rotating the lock claw at the tip thereof, and the lock lever that is engaged with the position regulating section is slid in the pushing direction. 2. A magnetic tape cassette according to claim 1, optionally supported by torsion springs.