Marine propulsion – Oar or paddle
Patent
1979-02-21
1980-11-18
Basinger, Sherman D.
Marine propulsion
Oar or paddle
9307, 416 70R, B63H 1604
Patent
active
042339251
ABSTRACT:
A plastic paddle of unitary construction defining a hand grip with a wrist engageable portion at one end, and a blade portion at the opposite end, which blade has a tapered cross sectional shape with flanges defined along its marginal edges to achieve maximum strength from a minimum material, and the paddle material itself being formed of plastic to a uniform thickness for economy in manufacture.
REFERENCES:
patent: 242773 (1881-06-01), Hayes
patent: 2745119 (1956-05-01), Whipple
patent: 2941218 (1960-06-01), Read
patent: 3039120 (1962-06-01), Powell et al.
patent: 3810269 (1974-05-01), Tabata et al.
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