Patent ID: 6126498
Filing Date: 2000-10-03
Classification: B63H

Abstract:
An improved hydraulic marine jack plate, comprising a support and a slide for use with an outboard engine, which will allow vertical movement of the outboard marine engine in a plane which is parallel with the transom of a boat when said jack plate is attached to said transom, said support being adapted to receive said slide member such that said slide member can move up and down in a plane which is approximately parallel with the transom, wherein said support member and said slide are interconnected by a hydraulic cylinder which is in turn connected to a source of hydraulic power, wherein the improvement comprises; a position indicator, for tracking the position of the slide in relation to the support, comprising an activator which is attached to either the slide or the support and an electronic signal generating device which is capable of being activated, wherein said electronic device is positioned near said activator and wherein the signal output of the electronic device is regulated, in relation to ambient light, by a photoelectric cell.