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, 1988
Filed:
Feb. 02, 1987
Applicant:
Inventor:
Alston L Gu, Rancho Palos Verdes, CA (US);
Assignee:
Allied-Signal, Inc., Los Angeles, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
B23P / ;
U.S. Cl.
CPC ...
29173 ; 2914 / ; 156645 ; 156654 ; 156656 ; 1566591 ; 156664 ;
Abstract
A method of forming an underspring for a foil thrust bearing from a uniform thickness sheet. The underspring is formed by chemically etching a plurality of slots in the disk and then stamping the tabs formed by the slots.