Controllable-pitch propeller, especially for sport boats and oth

Details Controllable-pitch propeller, especially for sport boats and oth Controllable-pitch propeller, especially for sport boats and oth

1998-09-28

1999-10-19

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Having positive means for impeller adjustment

Power or manual actuator on non-rotatable part

416 93A, 416146A, 416146R, 416147, 416164, 416165, 416166, 416244B, 440 50, B63H 304

Patent

active

059677538

ABSTRACT:
A controllable-pitch propeller for a sport-type watercraft has a push rod eccentrically connected to each blade displaceable in a bore of the propeller hub. The push rod is sealed with respect to the end of that bore by a multifold bellows whose radial flange is clamped by a cap of an axial flange of the housing in which the bore is provided.

REFERENCES:
patent: 3871324 (1975-03-01), Snyder
patent: 4599043 (1986-07-01), Muller
patent: 4897056 (1990-01-01), Muller
patent: 4927393 (1990-05-01), Hayasaka
patent: 4929204 (1990-05-01), Shiozawa
patent: 5073134 (1991-12-01), Muller et al.
patent: 5421756 (1995-06-01), Hayasaka

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