Tilt-trim system for outboard motors

Details Tilt-trim system for outboard motors Tilt-trim system for outboard motors

1989-09-27

1991-07-16

Swinehart, Ed

Marine propulsion

Screw propeller

With means effecting or facilitating movement of propulsion...

440900, 440 53, B63H 512

Patent

active

050320947

ABSTRACT:
A tilt-trim system for tilting and trimming an outboard propulsion unit on a boat includes a unitary cylinder unit assembly including a tilt cylinder unit and a trim cylinder unit, a stern bracket adapted to be mounted on the transom of the boat, a swivel bracket for supporting the outboard propulsion unit, the swivel bracket being pivotally supported on an upper end of the stern bracket, and a hydraulic pressure circuit for actuating the tilt cylinder unit and the trim cylinder unit. The cylinder unit assembly has an upper end pivotally supported on the stern bracket and a lower end pivotally supported on the swivel bracket.

REFERENCES:
patent: 3839986 (1974-10-01), Meyer et al.
patent: 4391592 (1983-07-01), Hundertmark
patent: 4557696 (1985-12-01), Nakahama
patent: 4786263 (1988-11-01), Burmeister et al.

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