Patent ID: 7364522
Filing Date: 2008-04-29
Classification: F16H

Abstract:
1. A pulley for a belt power transmission device, the pulley comprising: a pulley body around which a power transmission belt is wound; a shaft member for rotatably supporting the pulley body; supporting means for swingably supporting the shaft member to incline the pulley body diagonally right and left relative to the power transmission belt; and power transmission members located at both sides of the pulley body to transmit a motive force of the power transmission belt to the shaft member, wherein when the power transmission belt that has become misaligned relative to the pulley body and comes into contact with one of the power transmission members, the pulley body is inclined opposite to the direction of misalignment of the power transmission belt to assume a diagonal position relative to the power transmission belt, wherein the power transmission members are provided at the shaft member, and wherein the power transmission members each have a belt contact surface flush with a surface of the pulley body around which the belt is wound.