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:
Oct. 21, 1986

Filed:

Mar. 29, 1985
Applicant:
Inventors:

Hidenobu Nagase, Wako, JP;

Atsushi Umemoto, Asaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02F / ;
U.S. Cl.
CPC ...
123279 ; 1231 / ;
Abstract

A piston for an internal combustion engine is disclosed which comprises a piston main body having an opening in the top surface thereof and a cavity forming member having a combustion chamber form the top surface thereof which is mounted in the opening of the piston main body. The diameter of the cavity forming member is less then the diameter of the piston main body and the top surface of the cavity forming member is in alignment with the top surface of the piston main body. A piston pin is mounted in the piston main body and the cavity forming member is supported by the piston pin. Further a connecting rod is connected to the piston pin whereby the connecting rod is coupled to the main piston body.


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