Patent ID: 6705444
Filing Date: 2004-03-16
Classification: F16C,F16D

Abstract:
A one-way clutch unit comprising:a one-way clutch having rollers serving as engaging members and a retainer for retaining the rollers; and a ball bearing disposed axially adjacent to the one-way clutch and having balls and a retainer for retaining the balls; a one-piece outer ring having a first outer ring part for the one-way clutch and a second outer ring part for the ball bearing, both parts being integral with each other; and a one-piece inner ring having a first inner ring part for the one-way clutch and a second inner ring part for the ball bearing, both parts being integral with each other; wherein the first outer ring part has a cylindrical inner peripheral surface, and the first inner ring part has a polygonal outer peripheral cam surface; wherein the retainer for the ball bearing is a snap cage having an annular portion; wherein the one-piece inner ring has a tapered surface between the polygonal outer peripheral cam surface of the first inner ring part and an outer peripheral surface of the second inner ring part; and wherein the annular portion of the snap cage is disposed between the tapered surface of the one-piece inner ring and an inner peripheral surface of the one-piece outer ring opposed to the tapered surface.