Vibration isolation system
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United States of America Patent
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May 10, 1994
Issued Date -
N/A
app pub date -
Feb 12, 1993
filing date -
Aug 16, 1989
priority date (Note) -
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Abstract
A vibration isolation system utilizes various configurations of elastic structures loaded to approach a point of elastic instability. In one form of the invention, the system uses a combination of a negative-stiffness mechanism and a positive spring to support a payload and provide low net stiffness in the vertical direction. Horizontal motion is generally isolated by utilizing one or more axially-symmetric columns loaded to approach their critical buckling loads to provide low stiffness in any horizontal direction.
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