Patent ID: 6102270
Filing Date: 2000-08-15
Classification: B25C

Abstract:
A combustion-powered tool having a self-contained internal combustion power source with a combustion chamber having a spark plug located at a first end, a second end of said combustion chamber being opposite said first end, the power source being constructed and arranged for driving a driver blade in a first direction to impact a fastener and drive it into a workpiece, comprising:a housing having a main chamber enclosing the power source and a handle portion releasably connected to said main chamber, a fuel cell chamber disposed in close proximity to said handle portion;a fuel metering valve located in close proximity to said second end of said combustion chamber for metering fuel into said combustion chamber;said combustion chamber includes a fan disposed therein to thrust air in said first direction in response to fuel entering said combustion chamber according to the operation of said fuel metering valve.