Reel safety brake

Details Reel safety brake Reel safety brake

1975-11-06

1976-12-07

Mautz, George F.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

242 57, 242187, 242204, 242210, G11B 1522, B65H 2504, B65H 2532

Patent

active

039957896

ABSTRACT:
A braking apparatus for a tape transport device including first and second, stacked coaxial reels includes first and second feelers respectively mounted in proximity to the first and second reels for respectively sensing the tape being fully wound on the first and second reels. A brake means is mounted in proximity to adjacent, central hubs of the first and second reels. The brake means simultaneously, frictionally engages both hubs to brake both reels by virtue of a mechanical actuator being mechanically coupled to both feelers and the brake means. The brake means comprises a pair of rubber shoulders that extend in opposite directions relative to a common axis. The brake means turns about the axis in response to either of the feelers, which are eccentrically mounted relative to the axis, being turned about the axis. Thereby, in response to the first reel being fully wound with tape, the first feeler turns in a first direction about the axis so one of the brake shoulders engages the central hubs of both reels; in response to the tape being fully wound on the second reel the second feeler turns in the opposite direction so the second shoulder engages the central hubs.

REFERENCES:
patent: 3263936 (1966-08-01), Williams
patent: 3637154 (1972-01-01), Northup

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