Counter balance system and method with one or more...

Machine element or mechanism – Control lever and linkage systems – Variable output force

Reexamination Certificate

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C248S123110, C248S572000

Reexamination Certificate

active

10443459

ABSTRACT:
A system for counterbalancing the gravitation moment on a link when the link is supported at a point. A first spring mechanism balances the link about all axes that pass through the support point. The link can be balanced throughout a large range of motion.

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