Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent
1989-04-14
1991-04-30
Stodola, Daniel P.
Winding, tensioning, or guiding
Strand tensioning device
Tortuous course
360132, 242198, G11B 23087
Patent
active
050110969
ABSTRACT:
A tape cassette generally comprises a case body composed of upper and lower case halves, a front lid mounted to the case body, a mechanism mounted in the case body for locking the front lid, and a chamber in which the locking mechanism is mounted. The locking mechanism includes a lock plate which is mounted in the chamber so as to be swingable. The lock plate is provided with a locking claw, a projection on the front surface thereof so as to outwardly extend therefrom, and a position limiting member formed of an elastically deformable material and secured on a rear surface of the lock plate so as to extend therefrom. The position limiting member has an extended end which abuts against a projection formed to one of the pivot pins rotatably supporting the front lid at both side ends to limit an outward locking position of the lock plate. The locking claw and the projection of the lock plate extend outwardly through holes formed in the front wall of the front lid in a manner that the front lid is closed in the abutting engagement of the locking claw with an inner surface of one of side ends of the front lid, that the projection is inwardly pressed to retract the lock plate to a lock releasing position against an urging force of the position limiting member, and that the pivot pins of the front lid are pivoted to release that engagement to return the position limiting member when the front lid is opened.
REFERENCES:
patent: 4608616 (1986-08-01), Wakui et al.
patent: 4697702 (1987-10-01), Urayama
patent: 4712150 (1987-12-01), Pertzsch et al.
patent: 4884158 (1989-11-01), Pertych et al.
patent: 4930821 (1990-06-01), Jang
Kiryu Masato
Nagai Harushige
Saotome Akira
Sasaki Takeshi
Bowen Paul Thomas
Stodola Daniel P.
Victor Company of Japan Ltd.
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