Hydraulic marine jack plate position indicator

Details Hydraulic marine jack plate position indicator Hydraulic marine jack plate position indicator

1999-06-10

2000-10-03

Swinehart, Ed

Marine propulsion

Screw propeller

With means effecting or facilitating movement of propulsion...

440 61, B63H 2008

Patent

active

061264989

ABSTRACT:
A position indicator for a hydraulic jack plate for use with a marine outboard motor in a marine environment, the position indicator allows a boat operator to determine the position of an outboard motor relative to some fixed reference point usually the upper edge of the transom of a boat, the hydraulic jack plate has a fixed support and a moveable slide, a magnet is attached to the fixed support, this magnet activates individual segments of a multi segment transducer which is secured to the moveable slide of the jack plate when activated each segment of multi segment transducer produces a specific voltage which in turn activates a particular L.E.D., by observing which L.E.D. is activated an operator can determine the position of the slide and hence the position of the outboard motor, the light output of the L.E.D.'s is varied in relation to the ambient light.

REFERENCES:
patent: 3591825 (1971-07-01), Keighley, Jr.
patent: 4482330 (1984-11-01), Cook
patent: 4652878 (1987-03-01), Borgersen
patent: 5749696 (1998-05-01), Johnson

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