Variable torque drive

Details Variable torque drive Variable torque drive

1976-08-31

1977-12-06

Gilreath, Stanley N.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

185 37, 2421074R, A62B 3502, B65H 7548

Patent

active

040612910

ABSTRACT:
A safety belt reel comprising a coil spring, a shaft on which a safety belt is stored and a variable torque device coupling said spring to said shaft; said variable torque device including at least one spiral body, an element which is drivably engaged with said body and means for enabling translational movement of said body when the spring is wound or unwound by withdrawal and retraction of said belt whereby the output torque of said device is varied to adjust the force exerted on said belt.

REFERENCES:
patent: 3976257 (1976-08-01), Fohl
patent: 3997126 (1976-12-01), Karlsson
patent: 4036449 (1977-06-01), Schreiber

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