Tape cassette having an improved lid/sub lid structure

Details Tape cassette having an improved lid/sub lid structure Tape cassette having an improved lid/sub lid structure

1993-04-08

1995-04-18

Stodola, Daniel P.

Winding, tensioning, or guiding

Unwinding and rewinding a machine convertible information...

Cartridge system

G11B 2302

Patent

active

054071453

ABSTRACT:
A tape cassette includes a main lid which is pivotally mounted on an open end of a cassette shell. The main lid pivotally mounts a sub lid having a cam boss portion which is positioned in a lower end of a cam groove provided at each side of the open end of the cassette shell. A portion of the cassette shell supporting the cam groove also includes a tape guide surface backed by a concave portion. A rib is provided across the concave portion to prevent the cam boss from entering thereinto during closing operation of the cassette, thus preventing jamming and assuring reliable opening and closing operation of the tape cassette.

REFERENCES:
patent: 4607308 (1986-08-01), Tsuruta et al.
patent: 4680660 (1987-07-01), Ueda
patent: 4685016 (1987-08-01), Baranski
patent: 5198951 (1993-03-01), Fujii

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