| 摘要 |
<p>A rotary plate for a heel hold-down device of a ski binding has a central opening formed with a notch or projection along its edge and adapted in its normal angular position to engage a corresponding projection or notch, respectively formed in a fixed member; a spring means constituting with the notch and projection a detent-positioning device constantly urges the rotary plate in the longitudinal direction within the limits of a predetermined play.</p> |
