Importance

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Abstract

One way clutch has an inner ring, an outer ring and torque transmission members between them. Each torque transmission member can shift between a torque transmission position and a non torque transmission position. Biasing members bias the torque transmission members respectively toward the torque transmission positions. A retainer includes first and second mount portions that retain the torque transmission members and the biasing members corresponding thereto. Each of the mount portions has a securing portion that secures one end of the biasing member, and the torque transmission member is pressed by the other end of the biasing member. The biasing force that the biasing members retained by the second mount portions exert on the torque transmission members corresponding thereto is larger than the biasing force that the biasing members retained by the first mount portions exert on the torque transmission members corresponding thereto.

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First Claim