Reel of plastics material for magnetic tape

Details Reel of plastics material for magnetic tape Reel of plastics material for magnetic tape

1986-08-08

1988-02-09

Levy, Stuart S.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

242 718, 242198, B65H 7518, G03B 104, G11B 1532

Patent

active

047237317

ABSTRACT:
The reel comprises a winding hub with a flange which presents, on the outside, a toothed ring for drive in rotation and, inside, a toothed track for immobilization, and which is provided with an overmoulded metal washer, the free edge of the hub further being centered and fixed on a second flange and the inner cavity of the hub containing a neutralizable brake normally maintained in engagement with the track and capable of being spaced apart therefrom by a pusher. The second flange comprises a coronal extension extending towards the center and imprisoning the brake in the cavity of the hub thus partially closed, brake whose axial neutralizing stroke is limited.

REFERENCES:
patent: 3236468 (1966-02-01), Foret
patent: 3706426 (1972-12-01), Prahl
patent: 3871755 (1975-03-01), Wright
patent: 3905561 (1975-09-01), Kelch et al.
patent: 4210296 (1980-07-01), Frechette
patent: 4403749 (1983-09-01), Nakagawa

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