Invention Grant
US09228644B2 Driving-side pulley 有权
驱动侧滑轮

Driving-side pulley
Abstract:
A driving-side pulley includes a cam mechanism that presses a movable sleeve in a first direction by utilizing a relative rotation of the movable sleeve in the normal direction with respect to an axis-line-direction fixed member, the first direction being a direction that has a pressing surface pressed against a corresponding side surface of a belt.
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