| 摘要 |
The heel hold-down device, notably for safety ski bindings, comprises a fixed body, a tilting heel retaining member, a control lever, and an elastic mechanism incorporating an axial coil compression spring. The fixed body has two lateral vertical walls and is operatively connected to a movable U-shaped piston of which the two flat side arms are adapted to slide parallel to the vertical walls of the body. The heel retaining member is pivoted to the side arms of the piston by means of a pair of trunnions engaging registering holes formed in the side walls of the heel retaining member and in the piston arms. The trunnions are also slidably engaged in longitudinal slots formed in the lateral walls of the fixed body.
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