Hydraulic ski binding incorporating electronically-controlled by

Details Hydraulic ski binding incorporating electronically-controlled by Hydraulic ski binding incorporating electronically-controlled by

1992-09-10

1994-03-15

Johnson, Brian L.

Land vehicles

Skates

Shoe attaching means

280613, A63C 9088

Patent

active

052941442

ABSTRACT:
A hydraulic ski binding comprises a hydraulic fluid-containing cylinder divided into two spaced-apart chambers by a piston attached to a piston rod, the piston and cylinder being slidable relative to each other, and either the cylinder or piston rod being associated with ski boot attachment structure to connect a ski boot to a ski. The attachment structure is biased by a spring into its ski boot attachment mode. Shock-absorbing structure is provided comprising ducts connecting the chambers, one including a check valve, another a choke, and a further a shut-off valve. Battery-powered electronic circuitry is provided which includes transducers, the circuitry opening the shut-off valve by activating an electromagnet associated therewith when a predetermined force acting on the binding is detected by the transducers. When the shut-off valve is thus opened, the shock-absorbing structure provided by the choke is, in effect, deactivated, allowing the spring to control release of the ski boot directly.

REFERENCES:
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patent: 4715132 (1987-12-01), Pozzobon
patent: 4728115 (1988-03-01), Pozzobon et al.

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