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A swivelable mount for the boot bindings of a snowboard or wakeboard or the like, including a low profile top plate with a downwardly extending circular outer wall which screws down onto matching threads on the outer edge of a circular bottom plate which attaches to a snowboard. The top plate provid

A swivelable mount for the boot bindings of a snowboard or wakeboard or the like, including a low profile top plate with a downwardly extending circular outer wall which screws down onto matching threads on the outer edge of a circular bottom plate which attaches to a snowboard. The top plate provides an inner-facing threaded flange positioned opposite the outward-facing threaded surface of the bottom plate, and prevents upward movement of the top plate from the snowboard, thereby keeping the snowboard rider firmly attached to the snowboard. The two plate surfaces are slideable on each other when a spring pin, mounted to the top plate and extending through a hole in the bottom plate, is drawn upwardly, corresponding to an unlocked, rotatable condition of the top plate allowing the upper surface to rotate to another position as determined by the placement of the holes. When the spring-loaded pin is released, the pin engages the opposing bottom plate hole and prevents the top plate from rotating.

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1. A boot binding mount assembly for snowboards and wakeboards comprising:a circular base plate for fixed securement to the top of a board; a boot binding; a top plate for fixed securement of said boot binding thereto, said top plate having a downwardly extending circular flange mated in overlapping

1. A boot binding mount assembly for snowboards and wakeboards comprising:a circular base plate for fixed securement to the top of a board; a boot binding; a top plate for fixed securement of said boot binding thereto, said top plate having a downwardly extending circular flange mated in overlapping snug-fit surrounding relation with the circumferential edge of said base plate, said circular flange having circumferentially extending threads on its inner periphery, said circular base plate having circumferentially extending threads on its circumferential edge for mated association with the threads of said flange, whereby said top plate and said boot binding thereon are rotatably mounted on said base plate for angular positioning of said boot binding on said board; and a retractable locking pin mounted on said top plate, said locking pin being extendable downward for engagement with said base plate to establish a locked angular relation between said top plate and base plate, whereby said top plate is selectively locked at a desired angle on said board and wherein said base plate has distributed position apertures for engagement by said locking pin to permit establishment of the locked relation between said top plate and base plate.