Marine propulsion – Screw propeller – With means effecting or facilitating movement of propulsion...
Patent
1999-01-11
2000-10-31
Avila, Stephen
Marine propulsion
Screw propeller
With means effecting or facilitating movement of propulsion...
B63H 5125
Patent
active
061393800
ABSTRACT:
A tilt and trim adjustment mechanism includes an improved arrangement of a powering unit in order to reduce the size of the assembly, including the size of the hydraulic motor used to raise and lower the outboard motor. The powering unit is mounted on a lower end of the hydraulic motor so that the brackets of an associated coupling assembly (i.e., swivel and clamping brackets) do not have to be widened in order to accommodate the tilt and trim adjustment mechanism. In addition, the hydraulic motor can be arranged to position the motor at the center of the assembly. By having the hydraulic motor act at the center of gravity of the assembly, a smaller hydraulic motor can be used. In addition, the tilt and trim adjustment system includes an improved manual override valve that includes a push button actuator. No tools are required to open the valve. In addition, the button is conveniently located on the powering assembly to be accessible for manually lowering the outboard motor.
REFERENCES:
patent: 5032094 (1991-07-01), Katogi
patent: 5049099 (1991-09-01), Ito et al.
patent: 5149285 (1992-09-01), Kinoshita
patent: 5358436 (1994-10-01), Soda et al.
patent: 5718613 (1998-02-01), Nakamura
patent: 5746055 (1998-05-01), Nakamura et al.
Avila Stephen
Soqi Kabushiki Kaisha
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