Patent ID: 6793056
Filing Date: 2004-09-21
Classification: F16D

Abstract:
A one-way clutch comprising an inner member, an outer ring relatively rotatably mounted on said inner member, a rolling element mounted between said inner member and said outer ring, and a spring member for biasing said rolling element in one direction, a rolling element receiving portion having a predetermined wedge angle and a spring receiving portion communicating with said rolling element receiving portion being provided between said inner member and said outer ring, said spring member being received in said spring receiving portion, said rolling element being received in said rolling element receiving portion and biased by said spring member toward the narrow side of said rolling element receiving portion, wherein said inner member comprises a semi-columnar portion, and said rolling element receiving portion and said spring receiving portion are formed by said semi-columnar portion, wherein said semi-columnar portion is formed with a flat surface, a reinforcing plate is mounted on said flat surface, and a cam surface for forming a wedge angle for said rolling element receiving portion and a spring seat for said spring receiving portion are formed on said reinforcing plate.