Patent ID: 8894520
Filing Date: 2014-11-25
Classification: F16H,Y10T

Abstract:
1. A driven pulley for a continuously-variable transmission, the driven pulley having a rotation axis and comprising: two coaxially-disposed sheaves, each sheave having an interior surface and an exterior surface opposite the interior surface, the interior surfaces defining between them a belt-receiving groove; at least two axisymmetric ramp surfaces attached to one of the sheaves and facing away from the two sheaves; and at least two axisymmetric followers attached to the other sheave and positionable outside the exterior surface of said one of the sheaves, each ramp surface being engageable by a corresponding one of the followers; wherein at least two of the ramp surfaces are each provided on a top side of a corresponding separate ramp holder that is individually and removeably connected to said one of the sheaves, each of the separate ramp holders having a bottom side, opposite the top side, located in and in engagement with a corresponding ramp holder slot provided on the exterior surface of said one of the sheaves.