Marine propulsion device with tilt and trim assembly including roller transmitted thrust
US5049098A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 14, 1990 |
| Grant date | Sep 17, 1991 |
| Priority date | — |
| Expiry date | May 14, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63H20/10
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Disclosed herein is a marine propulsion device comprising a transom bracket adapted to be mounted on a boat transom and including a pair of laterally spaced elements, a swivel bracket supported from the transom bracket for pivotal movement about a horizontal tilt axis and through a trim range and a tilt range extending upwardly from the trim range, which swivel bracket includes a portion which extends generally vertically when the swivel bracket is in the trim range and which includes an unbroken rearward surface extending between the transfer bracket elements and a projection extending forwardly therefrom, a roller supported by the projection for rotation about a horizontal axis parallel to the tilt axis, a hydraulic tilt and trim assembly comprising a tilt hydraulic cylinder/piston assembly comprising a tilt cylinder pivotally connected to the transom bracket and a tilt piston rod pivotally connected to the swivel bracket, and a trim hydraulic cylinder/piston assembly comprising a trim cylinder fixedly connected to the tilt cylinder for common movement therewith, and a trim piston rod extending toward the roller and engageable therewith when the swivel bracket is in the trim rang…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.