Hydraulic marine jack plate

Details Hydraulic marine jack plate Hydraulic marine jack plate

1997-03-03

1998-07-21

Swinehart, Ed L.

Marine propulsion

Screw propeller

With means effecting or facilitating movement of propulsion...

248641, B63H 2126

Patent

active

057826625

ABSTRACT:
A powered jack plate for use with a marine outboard motor in a marine environment; the inward side of the jack plate is attached to the transom of a boat; the outboard motor is attached to the outward side of the powered jack plate; hydraulic power is the preferred power source, hydraulic fluid being supplied by a separate hydraulic pump; the jack plate comprises a pair of opposing supports which are interconnected by support bars; the opposing supports incorporate linear bearings in which rides a slide which is capable of vertical movement; the linear bearings are provided with grease fittings for positive lubrication; the outward side of the opposing supports is higher than the inward side thereby permitting maximum upward travel of the slide and the linear bearings are locked into the opposing supports via an undercut groove which is integral with these supports.

REFERENCES:
patent: 4907993 (1990-03-01), Thompson
patent: 5100349 (1992-03-01), Perkins et al.
patent: 5484311 (1996-01-01), Detwiler et al.

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