Patent ID: 8622184
Filing Date: 2014-01-07
Classification: F16D

Abstract:
1. A one-way clutch comprising: an outer race; an inner race which is spaced from the outer race in an inside diameter direction and arranged concentrically so as to be rotatable relative to the outer race; a plurality of engaging members which are arranged between the outer race and the inner race to transmit a torque; and a cage which retains the engaging members, wherein the one-way clutch is provided with volute springs which urge the engaging members in a direction in which the engaging members engage with a cam face of one of the outer race and the inner race, and each of the volute springs is retained by being sandwiched between a convex inward projection of the outer race and an outer circumferential face of a cylindrical portion of the cage, and wherein a side plate is provided on an axial end face of the one-way clutch and the volute springs are fixed by being sandwiched between the side plate and the axial end face of the one-way clutch.