COMBUSTION CHAMBER CONTROL FOR COMBUSTION-POWERED FASTENER-DRIVING TOOL

摘要

A combustion-powered fastener-driving tool (10) includes a combustion-powere d power source (14), a valve sleeve (36) reciprocable relative to the power source (14) between a rest position and a firing position, and a lockout device (60) in operational proximity to the valve sleeve (36) and configured for automatically preventing the reciprocation of the valve sleeve (36) from the firing position until a piston (22) in the power source (14) returns to a pre-firing position.