Patent ID: 6953112

Claim:
A one-way clutch comprising: a cage press fitted to an inner peripheral face of an outer race; a spring arranged along an inner diameter side of said cage and comprising pockets and annular portions comprising corrugated parts; and a sprag assembly comprising a plurality of sprags, wherein said sprags are inserted into respective pockets of said spring and into said cage; wherein, at a position where a largest repulsive force is exerted from said cage to said spring, an overlapped portion is formed by one end portion of said spring overlapping the other end portion of said spring so that rigidity of said spring is increased, wherein said overlapped portion of said spring is positioned by one of said corrugated parts at the one end portion of said spring and an edge portion of the other end portion of said spring, and wherein the repulsive force exerted by said cage to said spring varies with respect to position.