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:
Nov. 27, 1990
Filed:
May. 26, 1989
Applicant:
Inventor:
Alan O Lebeck, Albuquerque, NM (US);
Assignee:
University of New Mexico, Albuquerque, NM (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16J / ; F16J / ;
U.S. Cl.
CPC ...
277236 ; 277 961 ; 2772 / ; 277D / ; 384625 ; 29898 ;
Abstract
This invention relates to a dynamic seal or bearing interface having areas with different roughnesses. The different surface areas both provide asperity tip load support for the opposing interface.