Hydraulic rotator converter for a hydraulic impact hammer and method
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United States of America Patent
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Jun 6, 2017
Grant Date -
Mar 24, 2016
app pub date -
Nov 30, 2015
filing date -
Jun 18, 2013
priority date (Note) -
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Abstract
A hydraulic impact hammer having a hammer housing and a hydraulic piston. The hammer housing has means for attaching a hydraulic rotator converter which has a hydraulic rotator for rotating a drill bit for drilling holes on a surface while the drill bit receives pounding action from the piston. The drill bit has surface portions dimensioned to mate with bushing assembles and a cutout region to loosely engage with the locking mechanism in the hammer housing. After the holes are drilled, the converter is released from the hammer housing so as to allow a hammer tool with a larger diameter to be used for pounding over the holes. The hammer tool also has surface portions dimensioned to mate with the bushing assembles and a cutout region to engage with the locking mechanism so that the hammer tool can receive pounding action from the piston for pounding over the holes.
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