Patent ID: 9334944
Filing Date: 2016-05-10
CPC Classification: F16H

Claim Text:
1. A variable-speed belt drive pulley assembly, the assembly comprising: a rotatable hub; a plurality of pulley segments, each segment having a curved body adapted to engage a drive belt; a plurality of sliders, each slider having an outer end attached to a corresponding one of the segments, and each slider having an inner end slidably received by the hub, each slider comprising at least two rods extending from the body in parallel relationship to each other, the hub having a plurality of bores, each bore extending generally inwardly from an outer surface of the hub, each bore slidably receiving a corresponding one of the rods; an actuator device for moving the segments inwardly and outwardly with respect to the hub; and a plurality of resilient members, each resilient member being mounted to a corresponding one of the rods, each resilient member being biased to urge one of the segments outwardly.