Outboard engine construction adapted for use with deep draft and shallow draft vessels
US4747795A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 17, 1987 |
| Grant date | May 31, 1988 |
| Priority date | — |
| Expiry date | Feb 17, 2007 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02B75/007
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An outboard engine construction in which an engine is mounted at the upper end of an extension case provided with a stern bracket adapted to be clamped to a stern plate of a vessel and a gear case having a rotatable propeller is connected to the lower end of the extension case. A drive shaft connected to a crank shaft of the engine is housed within the extension case and a drives a gear assembly connected to the propeller. The extension case is constituted by a primary upper case portion and a selectively removable auxiliary lower case portion. A transmission is contained in the auxiliary case portion and is detachably interposed therewith between the drive shaft and the gear assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.