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:
Aug. 23, 1988
Filed:
Dec. 22, 1982
Applicant:
Inventor:
William G Roeseler, Bellevue, WA (US);
Assignee:
The Boeing Company, Seattle, WA (US);
Primary Examiner:
Int. Cl.
CPC ...
F16F / ;
U.S. Cl.
CPC ...
267148 ; 267166 ; 423371 ;
Abstract
A helical torsion spring (10) composed of unidirectional graphite fibers (26) encased in an epoxy resin matrix of rectangular cross section. The graphite fibers are longitudinally oriented relative to the core of the coil spring and can be located adjacent the inner and outer surfaces of each of the coils.