Ski propulsion paddles

Details Ski propulsion paddles Ski propulsion paddles

1976-12-06

1978-07-04

Blix, Trygve M.

115 241, B63H 132

Patent

active

040982190

ABSTRACT:
Manually operable propulsion paddles, for use in water skiing or boating are provided with a lower water-engaging portion, an upwardly-extending shaft and a handle at the upper portion of the shaft. The water engaging portion comprises a pair of plates hingedly secured on a hinge pin mounted on the lower portion of the shaft. The plate members assume an open position when downward force is exerted on them, for propulsion through the water, and a closed position for easy withdrawal through the water.

REFERENCES:
patent: 2599791 (1952-06-01), Swenson
patent: 3677216 (1972-07-01), Gentemann
patent: 3800734 (1974-04-01), Whang
patent: 3830189 (1974-08-01), Yamanaka

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