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CAM-TYPE ROLLER COUPLING MECHANISM

Driving and driven rings 1 and 2 have cam surfaces formed by circular wedge-shaped inserts a and b with rollers 3 between them. Since inserts a and b have cam surfaces along an Archimedean spiral, the load is uniformly distributed among all the rollers. Torque is transmitted by the action of rollers 3 on inserts a and b.
$3121$SmC,C$