Tape cassette

Details Tape cassette Tape cassette

1993-06-04

1994-12-20

Wolff, John H.

Winding, tensioning, or guiding

Unwinding and rewinding a machine convertible information...

Cartridge system

360132, G11B 2302, G03B 104

Patent

active

053750241

ABSTRACT:
A tape cassette which includes a case composed of an upper case and a lower case in which a couple of tape reels wound with a tape are rotably provided and which is provided with an opening and closing lid being rotatable around supporting axes and covering an opening portion of the case for drawing out tape at a front face of the case, said opening and closing lid being urged in a closing direction thereof by a spring, wherein a spring receiving groove for inserting an end of the spring is provided in one of the supporting axes and at least one edge portion at an innermost portion of the spring receiving groove is formed in a curved face.

REFERENCES:
patent: 4180220 (1979-12-01), Shiba et al.
patent: 4564120 (1986-01-01), Pertzsch et al.
patent: 4771352 (1988-09-01), Watanabe et al.
patent: 4783022 (1988-11-01), Onmori et al.

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