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:
Mar. 15, 1994
Filed:
Jun. 04, 1993
Applicant:
Inventor:
Emanuel D Fry, Tecumseh, MI (US);
Assignee:
Tecumseh Products Company, Tecumseh, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23P / ; F16C / ;
U.S. Cl.
CPC ...
2988808 ; 74595 ; 74597 ; 74598 ; 74603 ;
Abstract
A crankshaft having a high stress portion including a crankpin and an eccentric. The high stress portion is formed of a forged steel material having a first axial end. A reduced stress portion is formed from an unforged steel material and generally comprises a tubular cylindrical portion having a second axial end. The first axial end is secured to the second axial end by friction welding. A separate counterweight is attached to either the high stress portion or the reduced stress portion.