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Spring performance tester for miniature extension springs

United States Patent

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9,651,464
May 16, 2017
View the Complete Patent at the US Patent & Trademark Office
Miniature Spring Performance Tester
A spring performance tester and method of testing a spring are disclosed that has improved accuracy and precision over prior art spring testers. The tester can perform static and cyclic testing. The spring tester can provide validation for product acceptance as well as test for cyclic degradation of springs, such as the change in the spring rate and fatigue failure.
14/477,196
September 4, 2014
1/1;
G01L 1/04 (20060101); G01N 3/26 (20060101); G01N 3/02 (20060101);
GOVERNMENT RIGHTS The Government has rights to this invention pursuant to Contract No. DE-AC04-94AL85000 awarded by the U.S. Department of Energy.