Dynamic magnetic information storage or retrieval – Record medium – In container
Patent
1984-09-05
1986-12-09
Hecker, Stuart N.
Dynamic magnetic information storage or retrieval
Record medium
In container
242198, 220334, G11B 2304, G03B 104
Patent
active
046283897
ABSTRACT:
In a magnetic tape cassette comprising a cassette housing, a lid pivotally connected to the front of the housing to open and close its front opening, and a lock member fitted in one front side portion of the housing and engageable with and disengageable from the inner surface of the lid, a lock-member-biasing spring is accommodated within the thickness of the lock member, with a free end engaged with the housing. The lock member has means with which to press the both end portions of the spring in place. It has also a bulge formed on its side opposite to the recessed side and which is larger in diameter than a pivot by which the lock member is supported by the housing. The bulge is accommodated within a wall opening of the cassette housing.
REFERENCES:
patent: 4485988 (1984-12-01), Kikuya et al.
patent: 4485989 (1984-12-01), Ogiro et al.
patent: 4504028 (1985-03-01), Goto
patent: 4524927 (1985-06-01), Sieben
patent: 4533093 (1985-08-01), Gelardi et al.
Sakata Yoshiya
Shiba Haruo
Tanaka Kimio
Hecker Stuart N.
TDK Corporation
Urcia Benjamin E.
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