Torque limit drive transmission

Details Torque limit drive transmission Torque limit drive transmission

1983-11-25

1985-12-03

Braun, Leslie A.

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74206, 74209, F16H 1306, F16H 1302

Patent

active

045559635

ABSTRACT:
A roller-type drive is provided having three rollers, one of which is a wedging roller which produces a tighter wedging action for all three rollers in response to increasing torque. A cross-pin is provided in the stud or axle about which the wedging roller turns, and this cross-pin is biased by a spring-pressed axial pin having a tapered nose received in a tapered notch in the cross-pin such that the cross-pin initially urges the wedging roller into wedging position. The cross-pin subsequently follows the wedging roller as it moves further into wedging position, but eventually is stopped by the axial pin, and thereafter limits further movement of the wedging roller into wedging position, thereby limiting the torque that can be transmitted by the roller-type drive.

REFERENCES:
patent: 1093922 (1914-04-01), Dietreich
patent: 1737695 (1929-12-01), Zadow
patent: 2815685 (1957-12-01), Parrett
patent: 3160031 (1964-12-01), Bugg
patent: 3380312 (1968-04-01), Barske
patent: 3945270 (1976-03-01), Nelson et al.
patent: 4408503 (1983-10-01), Kraus
patent: 4481842 (1984-11-01), Nelson

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