Vibration isolation for a percussion rammer
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United States of America Patent
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Jun 15, 2004
Grant Date -
Sep 18, 2003
app pub date -
Mar 18, 2002
filing date -
Mar 18, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A soil compacting percussion rammer includes an operator handle assembly that is isolated from the main machine frame by a shock absorbing mount oriented to absorb the horizontal components of operating movement of the rammer. In a preferred embodiment, the shock absorbing mount comprises a pair of torsionally resilient shock absorbers interconnecting the frame and the operator handle and oriented to position the shock absorbers on a common torsional axis that is vertically offset from and generally parallel to the horizontal operator handle.
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