Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 19, 2011
Patent Application Number
12139045
Date Filed
June 13, 2008
Patent Citations Received
Patent Primary Examiner
Patent abstract
A device for driving various objects using combustible fuel. Embodiments are contemplated in which the driver could be a post-driver, a power shovel, a jack-hammer or other devices. Typically, the device includes a body with a combustion chamber. A fuel injection valve selectively supplies fuel to the combustion chamber where it can be ignited using an ignition module. A piston is movable within the body to impact the ram responsive to combustion in the combustion chamber.
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