Dual pivot outboard motor with trim and tilt toggle linkage

Details Dual pivot outboard motor with trim and tilt toggle linkage Dual pivot outboard motor with trim and tilt toggle linkage

1980-07-28

1982-12-07

Basinger, Sherman D.

Marine propulsion

Screw propeller

With means effecting or facilitating movement of propulsion...

440 63, B63H 512

Patent

active

043625134

ABSTRACT:
Disclosed herein is a marine propulsion device comprising a transom bracket adapted to be connected to a boat transom, a tilt bracket having an upper end, a first pivot located behind the transom and connecting the tilt bracket to the transom bracket for pivotal movement of the tilt bracket relative to the transom bracket between a lower position and a full tilt position about a first pivot axis which is horizontal when the transom bracket is boat mounted, a trim bracket, a second pivot connecting the trim bracket to the tilt bracket below the first pivot for pivotal movement of the trim bracket relative to the tilt bracket between a lowermost position and a full trim position about a second pivot axis parallel to the first pivot axis, a propulsion unit including, at the lower end thereof, a rotatably mounted propeller, a third pivot connecting the propulsion unit to the trim bracket for steering movement of the propulsion unit relative to the trim bracket about a generally vertical axis and for common pivotal movement with the trim bracket in a vertical plane about the first and second horizontal axes, and a linkage system including a toggle linkage and an extensible link connected to the toggle linkage for sequentially pivotally displacing the trim bracket and connected propulsion unit upwardly about the second pivot axis and then upwardly about the first pivot axis.

REFERENCES:
patent: 172945 (1876-02-01), Atkinson
patent: 2809605 (1957-10-01), Russell
patent: 3145003 (1964-08-01), Hart
patent: 3486724 (1969-12-01), Adamski
patent: 3577953 (1971-05-01), Braun

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