Marine propulsion – Oar or paddle
Patent
1992-12-07
1994-11-15
Avila, Stephen P.
Marine propulsion
Oar or paddle
416 74, B63H 1604
Patent
active
053642961
ABSTRACT:
A paddle for a narrow canoe or kayak-type boat has a crossbar the end portions of which extend downwardly to create an inverted U-shape, with the blades being at the lower ends of U. Handgrips, preferably including either forearm rests or wrist rests for the tops of the forearms or wrists as well as handgrips, enable the user to operate the paddle in a broad sweeping motion, with both blades being inserted into the water and pulled back simultaneously, eliminating the yaw effect of either double-ended kayak paddles or single-bladed canoe paddles.
REFERENCES:
patent: 892418 (1908-07-01), Hauman
patent: 2873713 (1959-02-01), Baastrup
patent: 3297283 (1967-01-01), Knaver
patent: 3677216 (1972-07-01), Gentemann
patent: 3800734 (1974-04-01), Whang
patent: 4820216 (1989-04-01), Masters
patent: 5062816 (1991-11-01), Berglund
patent: 5114371 (1992-05-01), Alonzo
Avila Stephen P.
Branscomb Ralph S.
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