Spring testing apparatus and method

Metal working – Method of mechanical manufacture – With testing or indicating

Reexamination Certificate

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Details

C029S407080, C029S407090, C073S862381, C073S161000

Reexamination Certificate

active

07971331

ABSTRACT:
A force measuring apparatus and method for testing a spring for a surgical cartridge. The apparatus and method permit an operator to measure the force applied by the spring when it is in the state it will be in when mounted in a cartridge. Therefore, a spring that exerts an insufficient force is rejected, and a spring that exerts a sufficient force is accepted and then mounted in a cartridge. A rejected spring is ejected from a pocket in the apparatus, and an accepted spring is mounted in the cartridge.

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patent: 2010/0213240 (2010-08-01), Kostrzewski
patent: 2062168 (1981-05-01), None

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