Patent ID: 10422392

Abstract:
A one-way clutch 1 includes: an inner race 3; an outer race 5; a plurality of cams 7 interposed between an inner race outer peripheral surface 11 and an outer race inner peripheral surface 13 and serving to transfer a torque to between the inner race 3 and the outer race 5; a retaining mechanism retaining the plurality of cams 7; and a spring member 15 biasing the plurality of cams 7 to torque non-transfer positions, and the retaining mechanism includes a first retainer 9 fixed to the outer race 5 and having a cylindrical retaining portion 21 retaining the plurality of cams 7 at a predetermined interval in a circumferential direction, and a second retainer 29 disposed on an inner diametrical side of the cylindrical retaining portion 21, retaining the plurality of cams 7 in a swingable manner, and elastically deformable corresponding to the swings of the plurality of cams 7 when swinging in a torque transferring direction upon engagements of the plurality of cams 7 with the inner race outer peripheral surface 11 and the outer race inner peripheral surface 13.