Patent · US Expired

Hydraulic system for marine propulsion devices

US4659315A · kind A · utility

6Cited by
12References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 6, 1985
Grant dateApr 21, 1987
Priority date
Expiry dateMay 6, 2005

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB63H20/10
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A marine propulsion device comprising a gimbal housing adapted to be fixedly attached to the transom of a boat and including an end plate adapted to be generally aligned with the boat transom and having an opening, opposite sides, and a rear surface, the gimbal housing also including a first generally vertical side member extending rearwardly from one side of the end plate, and a second generally vertical side member extending rearwardly from the other side of the end plate, a gimbal ring pivotally connected to the gimbal housing for pivotal movement relative to the gimbal housing about a generally vertical steering axis, a propulsion unit pivotally connected to the gimbal ring for pivotal movement relative to the gimbal ring about a generally horizontal tilt axis, and for pivotal movement with the gimbal ring about the steering axis, a hydraulic cylinder/piston assembly connected between the gimbal ring and the propulsion unit for effecting pivotal movement of the propulsion unit relative to the gimbal ring, and a conduit having one end adapted to communicate with a source of hydraulic fluid inside the boat, and an opposite end communicating with the hydraulic cylinder/piston asse…

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.