Power work arm with dual action shock absorber
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United States of America Patent
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Mar 2, 1999
Grant Date -
N/A
app pub date -
Jul 9, 1997
filing date -
Jul 9, 1997
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A device with a pivoting work arm for carrying and positioning a tool which is moved by a modified Watts linkage powered by a linear actuator is provided with shock absorption adjacent both the fully extended and fully retracted work arm positions. The modified Watts linkage engages a pawl which rotates a lever arm in the same direction to actuate the same shock absorber(s) when the work arm is moved to both its fully extended and fully retracted positions.
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