| 摘要 |
The present invention provides a one-way clutch of sprag type comprising an outer race having an inner peripheral track surface, an inner race disposed within the outer race and having an annular outer peripheral track surface, the outer and inner races being disposed concentrically to be rotated relative to each other, a plurality of sprags disposed between the outer race and the inner race and adapted to transmit torque between the outer peripheral track surface and the inner peripheral track surface, a holder for holding the sprags, and a ribbon spring for biasing the sprags, and wherein the ribbon spring is constituted by side bars disposed at both axial end portions of the ribbon spring and having wrinkle portions, and cross bars extending in an axial direction and adapted to interconnect the side bars and further wherein both circumferential end portions of the ribbon spring are secured to each other.
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