Patent ID: 6705445
Filing Date: 2004-03-16
Classification: F16D

Abstract:
A one-way clutch comprising:an inner race; an outer race; a plurality of engaging members disposed between the inner and outer races; retainers for retaining the engaging members; springs for urging the engaging members in one direction; and a pair of end bearings which are respectively disposed on opposite sides between the inner race and the outer race, each of the end bearings having a U-shaped cross section and including: a first hollow cylindrical portion fitted to an outer peripheral surface of the inner race; a second hollow cylindrical portion fitted to an inner peripheral surface of said outer race; an annular portion connecting the first hollow cylindrical portion to the second hollow cylindrical portion; and a plurality of recessed portions formed at least in the inner peripheral surface of the first hollow cylindrical portion of each of the end bearings, wherein the recessed portions comprise axial grooves formed by press forming and a circumferential groove formed by press forming so as to intersect the axial grooves.