Internal-combustion engines – Free piston – Single chamber; one piston
Reexamination Certificate
2006-10-04
2008-09-16
Kamen, Noah (Department: 3747)
Internal-combustion engines
Free piston
Single chamber; one piston
C123S0460SC, C227S010000
Reexamination Certificate
active
07424870
ABSTRACT:
A combustion-engined setting tool for driving fastening elements such as, e.g., nails, bolts, pins in a constructional component includes a combustion chamber (13) for combusting an oxidant-fuel mixture, elements for closing the inlet opening (15) and the outlet opening (19) provided in the combustion chamber, ventilator (41) for generating a gas flow from the inlet opening through the combustion chamber and toward the outlet opening (19), and a combustion-energy driven drive unit (42) for driving the ventilator.
REFERENCES:
patent: 3967771 (1976-07-01), Smith
patent: 4403722 (1983-09-01), Nikolich
patent: 6123242 (2000-09-01), Kersten
patent: 6220495 (2001-04-01), Jakob
patent: 2004/0104258 (2004-06-01), Favre-Bulle
Odoni Walter
Schiestl Ulrich
Abelman ,Frayne & Schwab
Hilti Aktiengesellschaft
Kamen Noah
LandOfFree
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