Land vehicles – Skates – With propulsion means driven by occupant
Patent
1975-04-24
1976-02-24
Wood, Jr., M. Henson
Land vehicles
Skates
With propulsion means driven by occupant
A63C 710
Patent
active
039401588
ABSTRACT:
A ski brake includes a length of spring wire of circular cross-section and a holding plate for retaining the brake on the top surface of a ski. The wire has two end portions which are covered with plastic protective caps forming the effective surfaces of the brake. One of the end portions lies on each side of the ski, the brake portions being movable between a position in which they lie essentially in the major plane of the ski and a position in which they extend downwardly below the bottom surface of the ski. A retaining plate is fastened to the top surface of the ski and includes two arcuate recesses which extend transversely across the ski. Between the two end portions, the wire is bent to form a first central shaft portion which extends through one of the arcuate recesses, a second central portion which is U-shaped, and a third central shaft portion which extends through the other arcuate recess. The central portion acts as a spring tending to urge the two end brake portions to their active, downwardly extending position. A small U-shaped bulge permits the central spring portion to clear one of the transverse axis portions to permit the loop to lie flush against the ski surface. Protective caps having longitudinal ribs enclose the end portions to form the active surfaces of the brake.
REFERENCES:
patent: 3083028 (1963-03-01), Miller
patent: 3741575 (1973-06-01), Bortoli
patent: 3873108 (1975-03-01), Lacarrau et al.
Mitchell David M.
Wood, Jr. M. Henson
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