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.

Date of Patent:
Sep. 17, 1991

Filed:

Apr. 17, 1990
Applicant:
Inventors:

Hiroshi Yamamoto, Saitama, JP;

Hitoshi Suzuki, Saitama, JP;

Yasushi Itai, Saitama, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B63H / ;
U.S. Cl.
CPC ...
440 77 ; 440 88 ; 440 89 ;
Abstract

An outboard engine unit for use on small ships or boats having a small-size casing assembly. The outboard engine unit includes a casing assembly, a propeller shaft disposed horizontally in a lower portion of the casing, a propeller mounted on one end of the propeller shaft and disposed outside of the casing assembly, an engine disposed in an upper portion of the casing assembly, the engine having a vertical crankshaft and at least one horizontal cylinder, and a vertical shaft disposed vertically in the casing, for transmitting rotative power of the crankshaft to the propeller shaft. The cylinder has an axis which extends parallel to and is laterally offset from the longitudinal central axis of the casing assembly as it is viewed in plan.


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