Hammer assembly
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United States of America Patent
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Jul 30, 2019
Grant Date -
Mar 30, 2017
app pub date -
Sep 28, 2015
filing date -
Sep 28, 2015
priority date (Note) -
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Abstract
A hammer including a housing and a piston arranged for reciprocating movement within the housing is disclosed. The hammer further includes a head assembled on the housing and defining a chamber for holding a pressurized gas and a wall configured to abut the housing and defining a gas discharge passage extending between the chamber and the housing. A plug is positioned in the gas discharge passage and configured to move or deform under pressure of the pressurized gas in the chamber.
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