Pneumatic hammer drill having vibration damping end cap
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United States of America Patent
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-
Aug 19, 2008
Grant Date -
Oct 4, 2007
app pub date -
May 19, 2006
filing date -
Mar 31, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A pneumatic hammer drill includes a handle body, a pneumatic cylinder, a piston, a tool, and a damping member. The handle body has an upper part that defines a front cavity and that has a rear end. The pneumatic cylinder has a cylinder rear end fitted in the front cavity, a front tool-connecting end, and a pressure chamber. The piston is disposed slidably in the pressure chamber. The tool is inserted into the pressure chamber through the front tool-connecting end. The damping member is made of a vibration-damping material, and is attached to the rear end of the handle body.
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