Multi-stage spring system
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United States of America Patent
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Sep 10, 2013
Grant Date -
Oct 22, 2009
app pub date -
Apr 21, 2008
filing date -
Apr 21, 2008
priority date (Note) -
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Abstract
Embodiments of a multi-stage spring system are provided herein. In some embodiments, a multi-stage spring system includes a spring assembly having at least one resilient element, wherein the spring assembly has a first spring constant when deflected up to a first distance, a greater, second spring constant when deflected beyond the first distance and up to a second distance, and a greater, third spring constant when deflected beyond the second distance and up to a third distance, and wherein the spring assembly stores mechanical energy when deflected towards a contact surface that biases the spring assembly away from the contact surface when released.
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