Marine propulsion – Screw propeller – Self-clearing
Patent
1988-08-04
1990-03-27
Watts, Douglas D.
Marine propulsion
Screw propeller
Self-clearing
416247A, 416146R, B63H 128
Patent
active
049116649
ABSTRACT:
A weed cutting and shredding attachment for an electric trolling motor including a sharpened cutting blade oriented with the sharp edge thereof adjacent to the path of movement of the leading edge of the propeller blades on an electric trolling motor together with a mounting structure for effectively mounting the cutting element from the trolling motor.
REFERENCES:
patent: 726180 (1903-04-01), Miller
patent: 732568 (1903-06-01), Lee
patent: 1390397 (1921-09-01), Svenson
patent: 4080099 (1978-03-01), Snyder
patent: 4447215 (1984-05-01), Govan
patent: 4450670 (1984-05-01), Robinson
patent: 4609361 (1986-09-01), Sumino
patent: 4676758 (1987-06-01), Dennis
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