Importance

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Abstract

A roller type one-way clutch includes an outer ring and an inner ring disposed concentrically with each other for rotation relative to each other, the outer ring having an axially extending annular inner peripheral cam surface, the inner ring being disposed in the outer ring and having an annular outer peripheral raceway surface, and a plurality of rollers disposed between the outer ring and the inner ring for transmitting torque between the outer peripheral raceway surface and the inner peripheral cam surface. The rolling surface of each of the rollers has a recess depressed toward the axis thereof over the entire circumference thereof. In an alternative arrangement, an axially extending annular inner peripheral raceway surface is provided on the outer ring and an annular outer peripheral cam surface is provided on the inner ring.

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First Claim