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:
Jul. 17, 2001
Filed:
Jul. 28, 1998
Applicant:
Inventors:
Xiluo Zhu, Canton, MI (US);
Richard R. Gofton, Tecumseh, MI (US);
Assignee:
Federal-Mogul World Wide, Inc., Southfield, MI (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16J 1/04 ;
U.S. Cl.
CPC ...
F16J 1/04 ;
Abstract
A one-piece piston (,) formed by an upper crown (,) and a lower crown (,) having an integral skirt (,). The upper crown (,) includes an upper surface (,) and a lower surface (,). The lower crown (,) includes an upper surface (,) and two pin bosses (,). The upper crown (,) has a first collar (,) and the lower crown (,) has a second collar (,). In addition, skirt ribs (,) connect the two pin bosses (,). The first and second collars (,) are secured together to form the one-piece piston (,).