Variable torque slip clutch

Details Variable torque slip clutch Variable torque slip clutch

F - Mech Eng,Light,Heat,Weapons

16

D

192/5

F16D 7/02 (2006.01) F16D 23/00 (2006.01)

Patent

CA 1243966

ABSTRACT OF THE DISCLOSURE A variable torque slip clutch is disclosed in which first and second members configured with first and second surfaces of revolution respectively transverse to an axis are positioned for sliding contact between the surfaces of revolution. A bias spring in the form of a warped disc is positioned to urge the surfaces together and a disc shaped retainer cooperates with one of the first and second members to variably compress the bias spring. The member which cooperates with the retainer is configured with ramp surface segments having a plurality of protrusions thereon angularly spaced about the axis. The retainer is configured with tongues which engage the protrusions so as to permit rotational repositioning of the retainer relative to the member with which it cooperates only after axially displacing the retainer relative to the member.

475651

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