Patent ID: 7357234
Filing Date: 2008-04-15
Classification: F16D

Abstract:
1. A roller type one-way clutch comprising an outer ring and an inner ring radially spaced apart from each other and disposed concentrically with each other for relative rotation, one of said outer ring and said inner ring having an axially extending annular peripheral raceway surface, the other of said outer ring and said inner ring having an annular peripheral cam surface, a plurality of rollers being disposed between said outer ring and said inner ring for transmitting torque between said peripheral raceway surface and said peripheral cam surface, wherein a rolling surface of each said roller has a recess depressed toward the axis thereof over the entire circumference thereof, and wherein said recess has a maximum depth greater than or equal to a thickness of an oil film between said roller and said peripheral raceway surface, and less than or equal to an elastic deformation of said roller at maximum torque.