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 8176809 B1

PDF
Full Text
Expired
Date of Patent:
May. 15, 2012

Filed:

Dec. 10, 2008
Applicants:

Chris A. Ihrke, Hartland, MI (US);

Adam H. Parsons, Tulsa, OK (US);

Joshua S. Mehling, League City, TX (US);

Bryan Kristian Griffith, Webster, TX (US);

Inventors:

Chris A. Ihrke, Hartland, MI (US);

Adam H. Parsons, Tulsa, OK (US);

Joshua S. Mehling, League City, TX (US);

Bryan Kristian Griffith, Webster, TX (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B25J 17/00 (2006.01); F16F 1/26 (2006.01);
U.S. Cl.
CPC ...
Abstract

A torsion spring comprises an inner mounting segment. An outer mounting segment is located concentrically around the inner mounting segment. A plurality of splines extends from the inner mounting segment to the outer mounting segment. At least a portion of each spline extends generally annularly around the inner mounting segment.


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Ihrke, Chris. (2012). Planar torsion spring (U.S. Patent No. 8176809). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8176809

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