| 摘要 |
A one-way clutch having a pawl member whose attitude is controlled in accordance with the direction of rotation of the input side of the clutch and which turns as the input side rotates in a given direction thus operating to change over between transmission and non-transmission of a driving force by controlling engagement and disengagement in accordance with the direction of rotation and the attitude of the pawl member. In application of this one-way clutch to winding and rewinding devices for cameras when one of a pair of one-way clutches is in the transmitting state by rotation of the motor in a given direction, the other one-way clutch is prevented from becoming engaged as a result of motion of the film.
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