Self-cleaning weedless propeller

Details Self-cleaning weedless propeller Self-cleaning weedless propeller

1979-03-07

1981-01-27

Kazenske, Edward R.

Marine propulsion

Screw propeller

Self-clearing

416122, 416176, B63H 114

Patent

active

042468620

ABSTRACT:
A self cleaning attachment for a propeller shaft having a gear box mounting parallel stub shafts driven in the same direction by a common gear, screw propeller surfaces on the shafts with teeth on the outer edge of each propeller surface and having weed shearing clearance with the shaft of the other surface, and stub shear bars supported in fixed relation to the box and disposed radially outward and parallel to the shafts with which the teeth also have weed shear clearance with the bars.

REFERENCES:
patent: 756031 (1904-03-01), Lee
patent: 938911 (1909-11-01), Taylor
patent: 1110497 (1914-09-01), Konitzko
patent: 1713448 (1929-05-01), Roe
patent: 2295633 (1942-09-01), Chase
patent: 2470874 (1949-04-01), Sidney
patent: 2501617 (1950-03-01), Roesch
patent: 3283829 (1966-11-01), Aumarechal
patent: 3695173 (1972-10-01), Cox
patent: 3971148 (1976-07-01), Deal

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