Marine propulsion device with tilt and trim assembly including r

Details Marine propulsion device with tilt and trim assembly including r Marine propulsion device with tilt and trim assembly including r

1990-05-14

1991-09-17

Basinger, Sherman

Marine propulsion

Screw propeller

With means effecting or facilitating movement of propulsion...

B63H 2126

Patent

active

050490982

ABSTRACT:
Disclosed herein is a marine propulsion device comprising a transom bracket adapted to be mounted on a boat transom and including a pair of laterally spaced elements, a swivel bracket supported from the transom bracket for pivotal movement about a horizontal tilt axis and through a trim range and a tilt range extending upwardly from the trim range, which swivel bracket includes a portion which extends generally vertically when the swivel bracket is in the trim range and which includes an unbroken rearward surface extending between the transfer bracket elements and a projection extending forwardly therefrom, a roller supported by the projection for rotation about a horizontal axis parallel to the tilt axis, a hydraulic tilt and trim assembly comprising a tilt hydraulic cylinder/piston assembly comprising a tilt cylinder pivotally connected to the transom bracket and a tilt piston rod pivotally connected to the swivel bracket, and a trim hydraulic cylinder/piston assembly comprising a trim cylinder fixedly connected to the tilt cylinder for common movement therewith, and a trim piston rod extending toward the roller and engageable therewith when the swivel bracket is in the trim range and being spaced therefrom when the swivel bracket is in the tilt range, and a propulsion unit supported by the swivel bracket for common movement therewith about the tilt axis and for pivotal steering movement relative to the swivel bracket about a steering axis transverse to the tilt axis and including a propeller shaft adapted to have mounted thereon a propeller.

REFERENCES:
patent: 3722455 (1973-03-01), Carpenter
patent: 3986434 (1976-10-01), Kohler
patent: 4064824 (1977-12-01), Hall et al.
patent: 4096820 (1978-06-01), Hall
patent: 4391592 (1983-07-01), Hundertmark
patent: 4449945 (1984-05-01), Ferguson
patent: 4720278 (1988-01-01), Taguchi et al.
patent: 4764134 (1988-08-01), Watanabe
patent: 4786263 (1988-11-01), Burmeister et al.

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