| 摘要 |
A one-way clutch which is constructed such that there are formed between an external rotary member and an internal rotary member a plurality of clutch member spaces which are defined by cam surfaces of the external rotary member and a cam surface of the internal rotary member and which are arranged in the circumferential direction of the two rotary members. Each of the plurality of clutch member spaces is equipped with clutch rolling members to be switched between a transmission ON state, in which the clutch rolling members bite into the two cam surfaces to couple the two rotary members in an integrally rotatable manner, and a transmission OFF state in which the aforementioned bites are released to allow relative rotation of the two rotary members.
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