Patent ID: 8225918

Claim:
A one-way clutch of roller type comprising: an outer race having at least one pocket provided at its inner periphery with a cam surface; an inner race spaced apart from said outer race radially inside of said outer race and coaxially arranged for a relative rotational movement; a roller disposed in said pocket and adapted to transmit torque between said outer race and said inner race when engaged by said cam surface; a cage having a cylindrical portion with a window for holding said roller and a flange portion extending outwardly from said cylindrical portion in an outer diameter direction and rotatable relative to said outer race, said window having a circumferential window width smaller than a diameter of said roller; and a spring disposed in said pocket and adapted to bias said roller toward an engagement direction with respect to said cam surface; and wherein an inclined surface portion inclined in the axial direction is provided on the inner periphery of said pocket.