Portable fastener driver using inflammable gas

摘要

A gas type fastener driver 1 is supplied with electric power from an external power source 55 through an electric cord 53. When a trigger 45 is pulled to turn a switch 47 on, the external electric power is supplied to an ignition plug 17 to burn gas in a combustion chamber 14. Combustion gas pushes a piston 11 forward to drive a nail n by a driving rod 12 connected to the piston 11.