Patent · US Expired

Surface drive for marine craft having inboard engine

US4976638A · kind A · utility

10Cited by
7References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 20, 1988
Grant dateDec 11, 1990
Priority date
Expiry dateApr 20, 2008

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF01P2050/04
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

An improved surface drive for a marine craft having an inboard engine in which propeller generated thrust forces are transferred directly and co-linearly from the propeller shaft, through a constant velocity U-joint to the engine or transmission shaft to thereby reduce the overall dimensions of the surface drive unit.

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