Elongated-member-driving apparatus – Explosive-type driving means – With plunger
Patent
1999-09-08
2000-08-15
Smith, Scott A.
Elongated-member-driving apparatus
Explosive-type driving means
With plunger
227130, 123465C, B25C 104, B25C 108
Patent
active
061022705
ABSTRACT:
A fuel system is provided for a combustion-powered tool having a self-contained internal combustion power source with a combustion chamber, and constructed and arranged for driving a drive blade to impact a fastener and drive it into a workpiece. The tool includes a housing having a main chamber enclosing the power source and having a first end adjacent a nosepiece wherein the fasteners are positioned prior to driving, and a second end opposite the first end and adjacent the combustion chamber. A fuel cell chamber is in communication with the main chamber and has a first chamber end corresponding to the first end of the main chamber and a second chamber end corresponding to the second end of the main chamber. A fuel metering valve is disposed in the fuel cell chamber at the first end so that a fuel cell having a fuel outlet end operationally inserted into the fuel cell chamber will engage the valve so that fuel is dispensed into the valve in a location closer to the first chamber end than to the second chamber end.
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Croll Mary W.
Illinois Tool Works Inc
O'Brien John P.
Sehis Lisa M.
Smith Scott A.
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