Combustion-engined setting tool

Internal-combustion engines – Free piston – Single chamber; one piston

Reexamination Certificate

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Details

C227S010000

Reexamination Certificate

active

07128030

ABSTRACT:
A combustion-engined setting tool for driving fasting elements such as nails, bolts, pins in an object, includes a combustion chamber (13), a fuel source (11), a fuel conduit (12) connecting the fuel source (11) with combustion chamber (13) for feeding fuel thereinto, and at least one metering device (30) for metering a predetermined amount of fuel for effecting a setting process and having at least one variable volume metering chamber (31), and a displaceable piston body (34) for a pulsed ejection of fuel from the metering chamber (31).

REFERENCES:
patent: 6260519 (2001-07-01), Phillips
patent: 6722548 (2004-04-01), Odoni et al.
patent: 6877308 (2005-04-01), Voelker et al.

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