US 4,138,138 AGranted

Snow ski brake

OwnerPeter K. Grossmanninventor

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Abstract

A snow ski brake becomes effective to stop a ski, after a skier falls and his or her boot is released and cleared from a ski binding, otherwise unintentionally starting a ski on a free runaway downhill run. The free run of the ski however, doesn't occur, because a plow like braking arm, originally held upright over the ski and at a right angle to the ski top, adjacent the ski boot heel plate, under spring force, immediately pivots through 180.degree. in a transverse plane about a horizontal axis, thereby projecting downwardly at a right angle to the ski bottom and becoming an excellent snow plow to stop the ski within a reasonably short distance. In one embodiment, the plow like braking arm is first held in its inactive position by having its transverse or lateral latching bar, which is secured to it at ninety degrees, held transversely adjacent the ski top by a spring biased catch. Then when a skier steps into his or her binding the plow like braking arm is then held in its inactive position only by the skier's boot for the boot upon entering the binding also depresses and releases the spring biased catch. Thereafter the snow ski brake is ready for immediate release, if the ski boot is released and cleared from the binding. In another embodiment, movements of a ski binding are utilized to perform the function of the spring biased catch.

Claims5

Dependent claims

A snow ski brake to be mounted on a snow ski binding in turn mounted on a snow ski for immediate actuation to stop an otherwise runaway ski from sliding downhill after a ski has been released from a skier's safety automatic release binding, comprising:

(a) a base extending both transversely and longitudinally on a snow ski, having bearing support portions and fastener receiving portions;
(b) an integral braking arm assembly including a hollow braking arm hub, a braking arm, and a latching arm at a right angle to the braking arm;
(c) a shaft rotatable in the bearing support portions of the base and passing through the hollow braking arm hub of the braking arm;
(d) a coiled spring around the shaft and secured between the hollow braking arm hub and the base to rotatably force the integral braking arm assembly into a ski braking position, wherein the braking arm rotates in a geometric plane which is perpendicular to the base and also to a ski, rotating through approximately 180.degree. from an upward vertical position out of the snow to a downward vertical position in the snow, and the integral latching arm rotates in a geometric plane which is perpendicular to the base and also to a ski, rotating through approximately 180.degree. from a horizontal position adjacent the base and just above the ski, to a horizontal position away from the base and ski;
and
(e) a catch means mounted to the base to keep the latching arm in a horizontal position over the ski and thereby to keep the braking arm in its upward non-braking position, until a ski boot is inserted into a ski binding, with the ski boot thereafter causing the retention of the latching arm, until the ski boot under an abnormal force is released from a skier's safety automatic release binding.

3 more elements

Dependencies are inferred from the claim text.