Snow ski having air cushion forming undersurface

Details Snow ski having air cushion forming undersurface Snow ski having air cushion forming undersurface

1980-06-09

1982-08-17

Peters, Jr., Joseph F.

Land vehicles

Skates

Runner type

114 67A, 244108, 280 12R, 280609, 441 68, A63C 500

Patent

active

043446418

ABSTRACT:
A ski having lower frictional resistance created by introduction of an air cushion. At least one chamber is formed in the running surface of the ski to hold air which is introduced through an air entrance on the ski. The sides of the chamber are formed to prevent lateral escape of the air. A channel in the form of a Venturi tube extends between the air entrance and the chamber.

REFERENCES:
patent: 1812265 (1931-06-01), Hone
patent: 1831697 (1931-11-01), Ziegler
patent: 1894256 (1933-01-01), De Ganahl et al.
patent: 2250684 (1941-07-01), Svensson
patent: 2382150 (1945-08-01), Hartman
patent: 3662700 (1972-05-01), Roumejon
patent: 3874315 (1975-04-01), Wright

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