Propulsion unit for skiers

Details Propulsion unit for skiers Propulsion unit for skiers

1976-09-02

1978-06-27

Silverstrim, John P.

Motor vehicles

Steering by driving

Combined with manual steering

123185A, 180 1G, 180 10, 180 21, 152 7, 280DIG7, 301 35R, B62M 2702

Patent

active

040969193

ABSTRACT:
A cleated roller enclosing an internal combustion engine is provided with two handles containing means for engaging the posterior of a skier. The engine is mounted within the roller on a frame which in turn is mounted to both of the roller hubs which are hollow. The roller hubs are connected to the handles. The engine's output shaft is operatively connected to both end walls of the roller so as to rotate the roller relative to the roller hubs. The roller hubs are in direct fluid communication with the atmosphere outside the roller so as to permit efficient cooling of the engine by a forced airflow through the hubs and the roller.

REFERENCES:
patent: 796222 (1905-08-01), Karmeli
patent: 1118341 (1914-11-01), Grant
patent: 1172456 (1916-02-01), Hoadley
patent: 1245896 (1917-11-01), Fuqua
patent: 1309928 (1919-07-01), Wolfard
patent: 1374761 (1921-04-01), Pomilio
patent: 1379464 (1921-05-01), Martin
patent: 2242915 (1941-05-01), Koski
patent: 2432107 (1947-12-01), Williams
patent: 2787845 (1957-04-01), Manning
patent: 3169581 (1965-02-01), Cummins
patent: 3193038 (1965-07-01), Cronkright
patent: 3747649 (1973-07-01), Densow
patent: 3750777 (1973-08-01), Thompson

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