Line cutter for outboard, inboard/outboard, and trolling motors

Details Line cutter for outboard, inboard/outboard, and trolling motors Line cutter for outboard, inboard/outboard, and trolling motors

1986-09-12

1989-01-31

Peters, Jr., Joseph F.

Marine propulsion

Screw propeller

Self-clearing

416146R, 440 49, B63H 516

Patent

active

048012815

ABSTRACT:
A device mounted in encircling relation to a propeller shaft. The device cuts lines, nets and weeds, thus preventing entanglement of the propeller and preventing entanglement damage which may result to the parts of the driven assembly of the outboard, inboard/outboard or trolling motor used to propel vessels through the water. The device includes a non-rotatable, annular cutting ring member having one or more double-edged cutting blades, that is disposed in sandwiched relation to two rotatable annular members. One of the rotatable members carries no cutting blades, and the second rotatable member carries a plurality of double-edged, circumferentially spaced blades that individually cooperate with the non-rotatable blade in a shearing action. The non-rotatable member includes a protruding, forwardly expanding, wedge member, the wedge member being configured to define a forwardly opening wedge-shaped cavity. The protruding wedge members cavity enters into abutting engagement with the propeller shaft housing attendant rotation of the propeller shaft, the propeller shaft housing entering into fine engagement with the forwardly opening wedge-shaped cavity substantially instantaneously upon the introduction of a load on the apparatus.

REFERENCES:
patent: 1978249 (1934-10-01), Decarie
patent: 2696797 (1954-12-01), Whidden
patent: 3915417 (1975-10-01), Norton et al.
patent: 4080099 (1978-03-01), Snyder
patent: 4507091 (1985-03-01), Govan

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