Torque limiter

Details Torque limiter Torque limiter

1991-05-16

1993-12-21

Lorence, Richard M.

192 clutches and power-stop control

Clutches

Automatic

464 30, F16D 706, F16D 4106

Patent

active

052714861

ABSTRACT:
A torque limiter having an outer ring with a plurality of cam surfaces and spring supporting surfaces formed on an inner peripheral surface, an inner member mounted in the outer ring, and a plurality of rollers mounted between the cam surfaces and the inner member. Springs supported on the spring supporting surfaces bias the rollers in a direction to bite into the cam surfaces and the inner member. The springs have a predetermined spring force which is sufficient to maintain the rollers in wedging engagement between the cam surfaces and the inner member when a turning torque for turning the inner member in a direction to urge the rollers out of the wedging engagement is applied to the inner member, but only until the applied torque reaches a predetermined value.

REFERENCES:
patent: 2211053 (1940-08-01), Critchfield
patent: 2843238 (1958-07-01), Rozner
patent: 2902125 (1959-09-01), House et al.
patent: 3014567 (1961-12-01), Stockton
patent: 3031052 (1962-04-01), Blinder
patent: 3087589 (1963-04-01), Gorsky
patent: 3993176 (1976-11-01), Marola et al.
patent: 4178805 (1979-12-01), Mazzorana
patent: 4236619 (1980-12-01), Kuroda
patent: 4828086 (1989-05-01), Lederman
patent: 4852708 (1989-08-01), Parkhurst

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