| 摘要 |
Disclosed is a swivelable binding plate assembly for a snowboard, including a generally circular base plate having a bottom directly supported on a snowboard, a top surface, an outwardly projecting perimeter edge spaced above the snowboard, and a central opening with a perimeter edge adapted to be engaged by the lower part of the outer edge of a hold-down disk received in the central opening, the disk being securable to the snowboard by threaded bolts to hold the base plate down to the snowboard and against rotation. A binding plate has an upper surface for releasably supporting a boot, a lower surface slidably supported on the base plate top surface, a central bore with smooth sloped edge walls that are slidably engaged by the upper part of the hold-down disk edge to hold down the central part of the binding plate relative to the base plate, and toe and heel portions of the binding plate each has an innwardly projectlng lip that engages the underside of the base plate perimeter edge to hold the opposite ends of the binding plate against vertical movement relative to the base plate. The binding plate is swivelable through about 90 DEG , and a handle-operated locking mechanism on the binding plate can releasably secure the binding plate at a given rotational position with respect to the base plate.
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