Anti-spalling combination on an impact tool with an improved holding system
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United States of America Patent
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Jul 28, 2015
Grant Date -
Jan 29, 2004
app pub date -
Jul 23, 2003
filing date -
Jul 23, 2001
priority date (Note) -
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Abstract
The invention is a tool to be struck, or a striking tool, (collectively referred to as an “impact tool”), or alternatively, a cap, that will not suffer metal spall and the attendant dangers of spalling and flying or cutting metal slivers. The preferred mode is on a chisel (wood or cold) or repeated impact tool. The chisel would have a striking end cut square to the shaft. The striking end would be opposite the working end. Other tools such as impact wrenches, jackhammers, wedges, spikes, hammers, mallets or other tools being struck or striking forcibly benefit from the invention by use of a disk insert of polymeric material to alter ergonomic and noise characteristic.
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