Tape reel structure for magnetic tape cassette

Details Tape reel structure for magnetic tape cassette Tape reel structure for magnetic tape cassette

1994-02-09

1996-03-05

Darling, John P.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242343, 2426106, B65H 7518

Patent

active

054959985

ABSTRACT:
In the magnetic tape cassette, upper and lower flanges 23a to 24c forming a tape reel 21 are formed alternately at a given angle in the two end portions of a reel hub 22 so that engaging gears 25a to 26c respectively formed on the outer peripheral edge portions of the upper and lower flanges 23a to 24c are substantially continuous in a plan view, and a brake claw is arranged so as to be engageable with any one of the engaging gears 25a to 26c regardless of the rotational position of the tape reel 21.

REFERENCES:
patent: 2247881 (1941-07-01), Hatfield
patent: 3064917 (1962-11-01), Roberts et al.
patent: 3591102 (1971-07-01), Keiner
patent: 3695541 (1972-10-01), Lee
patent: 4801107 (1989-01-01), Dixon et al.
patent: 4993655 (1991-02-01), Gelardi et al.
patent: 5004180 (1991-04-01), Okamura et al.
patent: 5010434 (1991-04-01), Schoettle et al.
patent: 5054709 (1991-10-01), Sato
patent: 5180116 (1993-01-01), Urayama et al.

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