Fluid reaction surfaces (i.e. – impellers) – Combined or convertible – Hub lubrication or seal
Patent
1993-06-01
1994-02-22
Look, Edward K.
Fluid reaction surfaces (i.e., impellers)
Combined or convertible
Hub lubrication or seal
416 5, 416 62, 440 74, 440113, B63H 114
Patent
active
052882080
ABSTRACT:
A block structure of a generally trapezoidal configuration is interposed between a cavitation plate and propeller of a marine engine's lower unit to effect abutment of the propeller permitting loosening and removal of the associated propeller retaining nut member.
REFERENCES:
patent: 4372243 (1983-02-01), Roope, Jr.
patent: 4624644 (1986-11-01), Hall
patent: 4850800 (1989-07-01), Zygutis
Cummins Richard L.
Devaney Fred W.
Gilden Leon
Larson James A.
Look Edward K.
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