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.:

US 6669184 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 30, 2003

Filed:

May. 29, 2002
Applicant:
Inventors:

Haimian Cai, Ann Arbor, MI (US);

Gary Walter Leevy, Farmington Hills, MI (US);

Lakshmana Gummadi, Canton, MI (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16F 1/20 ;
U.S. Cl.
CPC ...
F16F 1/20 ;
Abstract

A compression spring comprising a plurality of composite wave rings stacked and attached to one another in crest to crest configuration. Each of the wave rings has a plurality of alternating peaks and troughs wherein one peak and one adjacent trough define a wave having a wave height measured axially from the peak to the trough and the wave heights vary such that the compression spring provides a varying spring rate as the compression spring is compressed.


Find Patent Forward Citations

Cai, Haimian. (2003). Composite wave ring spring (U.S. Patent No. 6669184). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6669184

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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