Rope and fish net guard

Details Rope and fish net guard Rope and fish net guard

1986-04-15

1988-02-02

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Combined or convertible

Hub lubrication or seal

416247A, 440 73, B63H 128

Patent

active

047226676

ABSTRACT:
The specification discloses a combined rope and fish net guard for use on large ocean going marine vessels. A rope guard extends outwardly from the stern frame to closely overlap the propeller hub. The propeller hub defines an annular groove underlying the rope guard. A cutting ring is mounted on the inner cylindrical wall of the rope guard and extends inwardly into the annular groove. The cutting ring is equipped with bidirectional cutting edges or teeth.

REFERENCES:
patent: 67982 (1867-08-01), Hudson
patent: 1649657 (1927-11-01), Blake
patent: 1813540 (1931-07-01), Laska
patent: 2143693 (1939-01-01), Harris
patent: 4070984 (1978-01-01), Kappas
patent: 4211515 (1980-07-01), Henrich et al.
patent: 4304559 (1981-12-01), Steward
patent: 4447215 (1984-05-01), govan
patent: 4450670 (1984-05-01), Robinson
patent: 4507091 (1985-03-01), Govan
patent: 4544363 (1985-10-01), Govan
patent: 4578040 (1986-03-01), Sumino et al.

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