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:
Oct. 11, 1977
Filed:
Sep. 08, 1976
Lee H Saylor, Muskegon, MI (US);
Sealed Power Corporation, Muskegon, MI (US);
Abstract
In a spacer-expander for a piston oil control ring of the type which includes a circumferential series of alternating inner and outer crowns successively connected by radially diverging spring legs and a support pad extending radially outwardly from each inner crown and connected thereto by a pad leg, the improvement wherein each pad leg comprises an arcuate reverse bend extending radially inwardly and then radially outwardly from an inner crown to a corresponding support pad. In a modification, each pad extends radially outwardly at an angle of more than 90.degree. but equal to or less than 95.degree. with respect to the corresponding inner crown in the free-state of the expander.