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:
Dec. 08, 1998

Filed:

Sep. 11, 1996
Applicant:
Inventors:

Shigemitsu Nitta, Kakogawa, JP;

Masato Kinoshita, Kakogawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B63H / ;
U.S. Cl.
CPC ...
440-1 ; 60323 ; 1231 / ; 1231 / ; 184106 ; 440 88 ; 440 89 ; 440111 ;
Abstract

A four-cycle engine is provided which is suitable for use in a vehicle or an apparatus such as a small jet boat to be operated on the premise that it often overturns, and which is simple in structure. An oil pan 22 is disposed below the bottom of a crankcase 13, the spaces in the components are communicated with each other via a communicating hole 27 which is formed in the bottom of the crankcase 13, and a cylindrical peripheral wall 26 which is downwardly extending from the bottom of the crankcase 13 toward the oil pan 22 is formed around the communicating hole 27 and is spacially separated from the side wall of the oil pan 22 by a distance.


Find Patent Forward Citations

Loading…