Tilt cylinder arrangement for outboard drive

Details Tilt cylinder arrangement for outboard drive Tilt cylinder arrangement for outboard drive

1991-11-27

1993-06-29

Basinger, Sherman

Marine propulsion

Screw propeller

With means effecting or facilitating movement of propulsion...

B63H 512

Patent

active

052229009

ABSTRACT:
A number of embodiments of hydraulic assemblies for interpositioning between a marine outboard drive and a watercraft for controlling the position of the outboard drive relative to the watercraft. Each embodiment includes a double acting cylinder assembly but the chambers of the cylinder assemblies do not communicate with each other so that they may be filled with different fluids and/or a fluid and a gas and at different pressures to provide manual tilt up assistance. Various control valve arrangements are also disclosed for permitting popping up action and for permitting manual tilt up operation.

REFERENCES:
patent: 2953335 (1960-09-01), Kiekhaefer
patent: 4153237 (1979-05-01), Supalla
patent: 4551104 (1985-11-01), Iwashita et al.
patent: 4784625 (1988-11-01), Nakahama
patent: 5074193 (1991-12-01), Hundertmark
patent: 5094325 (1992-03-01), Smith

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