Non-linear spring system
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United States of America Patent
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N/A
Issued Date -
Feb 9, 2006
app pub date -
Aug 4, 2004
filing date -
Aug 4, 2004
priority date (Note) -
Abandoned
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Abstract
A spring system for relatively displacing elements attached to end mounts of the rod assembly comprises a housing having a rod member movable between extended and retracted positions relative thereto, and a first spring in the housing surrounded by a second spring for biasing the rod member to one of an extended or retracted position relative to the housing. The two springs exert a non-linear load versus deflection curve as the rod member moves between an extended position and a retracted position.
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