Variable pitch diameter torque sensing pulley assembly

Details Variable pitch diameter torque sensing pulley assembly Variable pitch diameter torque sensing pulley assembly

1983-12-27

1985-06-18

Leppink, James A.

Endless belt power transmission systems or components

Pulley with belt-receiving groove formed by drive faces on...

Load responsive

F16H 1106

Patent

active

045239177

ABSTRACT:
A variable pitch diameter torque sensing pulley assembly which includes a first pulley half with a hub and a second pulley half mounted on the hub for axial and rotational movement. The assembly includes two sets of cams and a set of cam followers for biasing the pulley halves toward each other with a force which varies directly as the torque being transmitted by the pulley assembly varies. The two sets of cams are arranged so that one set of cams transmits torque when the pulley halves are close together and biases the pulley halves toward each other with a relatively small axial force based upon the torque being transmitted and the other set of cams transmits torque when the pulley halves are far apart and biases the pulley halves toward each other with a relatively large axial force based upon the torque being transmitted.

REFERENCES:
patent: 2276186 (1942-03-01), Getchell
patent: 4173155 (1979-11-01), Togami et al.
patent: 4378221 (1983-03-01), Huff

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