| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a one-way clutch which becomes engaged in an abnormal state, and more improve its reliability. <P>SOLUTION: The cam surface 21a of the one-way clutch 13 comprises: first cam surfaces 21b for normally operating the engagement and the disengagement of rollers 22; second cam surfaces 21c which are continuously formed from the first cam surfaces 21b in the engaging direction, and have a wedge angleβsmaller than the wedge angleαof the first cam surfaces 21b; and stepped surfaces 21d which are formed between the first cam surfaces 21b and the second cam surfaces 21c so as to widen the radial width of the wedge spaces from the first cam surfaces 21b toward the second cam surfaces 21c. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
