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:
Dec. 28, 2010
Filed:
Mar. 24, 2009
Applicants:
Brian E Spencer, Sacramento, CA (US);
Zachary B Spencer, Sacramento, CA (US);
Inventors:
Brian E Spencer, Sacramento, CA (US);
Zachary B Spencer, Sacramento, CA (US);
Assignee:
Spencer Composites Corporation, Sacramento, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
F16F 1/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
Composite springs and methods of manufacture are described. The composite springs include a flexible core supporting multiple layers of a cured, resin-impregnated composite fiber wherein resin-impregnated composite fiber is wound or braided over the flexible core and cured on a helical mold to form a spring having a desired helical pitch, diameter and spring rate. The multiple layers of resin-impregnated composite fiber are wound or braided at ±5-90 degrees relative to the longitudinal axis of the flexible core.