| 摘要 |
A one-way clutch having a plurality of sprags (3) arranged at an annular space between a driving side member and a driven side member along a circumferential direction thereof, two cages (4, 5) on an outer side and an inner side for retaining the sprags, and a spring member (6) in an annular shape, in which the outer side cage (4), the inner side cage (5) and the spring member are respectively formed with pockets for sprags (4a, 5a 6a) of sufficiently large numbers and the sprags are contained at portions of the pockets. The pockets of a number the same as a number of pieces of using the sprags may be formed at any of the annular members of the outer side cage (4) and the like.
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