Patent ID: 8382538
Filing Date: 2013-02-26
Classification: B63H

Abstract:
1. A hydraulic thruster for vessel comprising a housing tiltably attached to a bracket, a cylinder rigidly attached to said housing, a tube slidably and rotationally disposed within said cylinder, a thrust means at a lower end of said tube, means of tilting said housing relative to said bracket, means of extending and retracting said tube relative to said cylinder, and means of rotating said tube relative to said cylinder, whereby said thrust means may be steered, said housing comprising a housing roof, a first housing side, a second housing side, and a housing floor, an upper edge of said first housing side being attached along one edge of said housing roof, an upper edge of said second housing side being attached along an edge of said housing roof opposite said first housing side, a lower edge of said first housing side being attached along one edge of said housing floor, a lower edge of said second housing side being attached along an edge of said housing floor opposite said first housing side, a cylinder aperture in said housing roof, a cylinder aperture in said housing floor, each said cylinder aperture being sized to admit said cylinder, said cylinder being disposed through said cylinder apertures.