Over-center mechanism
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United States of America Patent
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May 15, 2012
Grant Date -
Oct 1, 2009
app pub date -
Oct 27, 2008
filing date -
Apr 1, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
An over-center mechanism includes a pivoting member, rotatable about a pivot point between first and second positions, a drive gear, having a first radius, fixedly attached to the pivoting member at the pivot point, a pinion gear, engaged with the drive gear, having a second radius, and an over-center tension spring, eccentrically attached between the drive gear and the pinion gear, to bias the pivoting member toward the first and second positions.
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