Outboard motor with improved housing interface

US5234362A · kind A · utility

Assignee

• Outboard Marine Corporation · US

Inventors

• Paul W. Breckenfeld · Kenosha, US
• George Broughton · Zion, US
• David W. Mate · McHenry, US
• James A. Nettles · Round Lake, US
• Duane E. Rogers · Kenosha, US

Key dates

• Filing date: Jan 21, 1992
• Grant date: Aug 10, 1993
• Expiry date: Jan 21, 2012

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B63H20/28
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A marine propulsion device comprising an upper housing which has a lower surface and which is adapted to be mounted on the transom of a boat for pivotal movement relative thereto, a lower housing having an upper surface mating with the lower surface, a propeller shaft rotatably supported by the lower housing, and an arrangement for reducing fretting between the lower surface and the upper surface.