Patent ID: 8397888

Claim:
A one-way clutch of roller type comprising: an outer race provided at its inner periphery with at least one pocket including a cam surface and having a stepped portion formed at an inner diameter side of one axial end face of said outer race and also having a plurality of holes passing through said outer race in an axial direction; an inner race spaced apart from said outer race toward a radial inner diameter side 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 rotatable relative to said outer race and having a cylindrical portion with a window for holding said roller and a flange portion extending from said cylindrical portion in an outer diameter direction and fitted into said stepped portion of said outer race; a spring disposed in said pocket and adapted to bias said roller toward an engagement direction with respect to said cam surface; and a side plate provided at its inner diameter portion with spline grooves with which an input member is engaged and having a plurality of holes extending through said side plate in the axial direction and arranged at the same pitch as said holes of said outer race, wherein said side plate is secured to said outer race by inserting rivets into said holes of said outer race and said holes of said side plate and by caulking said rivets.