Driver blade with auxiliary combustion chamber for combustion powered fastener-driving tool

摘要

A driver blade 40 for use in a combustion-powered fastener-driving tool comprises an elongate tubular body 42 having a combustion end 44, a central portion and a driving end 48, the combustion end 44 being configured for attachment to a piston 28, and the driving end 48 having a solid cross-section. The body has a hollow interior defining a driver blade chamber 48 extending through the combustion end 44 into the central portion.