The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 11, 1990
Filed:
Apr. 20, 1988
Applicant:
Inventor:
James E Grinde, Anoka, MN (US);
Assignee:
Yamaha Hatsudoki Kabushiki Kaisha, Iwata, JP;
Primary Examiner:
Int. Cl.
CPC ...
B63H / ;
U.S. Cl.
CPC ...
440 57 ; 440 61 ; 440 83 ; 464 15 ; 464145 ;
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.