Steering shock absorber for boat propeller drive units

Details Steering shock absorber for boat propeller drive units Steering shock absorber for boat propeller drive units

1990-04-20

1991-09-17

Swinehart, Ed

Marine propulsion

Screw propeller

With vibration dampening

440 63, 440 53, B63H 115

Patent

active

050490974

ABSTRACT:
A shock absorber for absorbing external momentary steering forces acting on a steerable stern drive for boats. The shock absorber (11) is a hydraulic piston-cylinder device which is articulated between the anti-cavitation plate (9) of the drive (3) and a fixed portion (4) of the boat.

REFERENCES:
patent: 630973 (1899-08-01), Christensen
patent: 3107644 (1963-10-01), Munson
patent: 3148657 (1964-09-01), Horning
patent: 3202125 (1965-08-01), Morse
patent: 4177747 (1979-12-01), Pichl
patent: 4227481 (1980-10-01), Cox et al.
patent: 4645463 (1987-02-01), Arneson

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