| 摘要 |
Fastener ammunition for a propellant gas powered fastener driving tool having a barrel and a breech mechanism at the breech end of the barrel for initially transporting an ammunition round from an ammunition magazine to firing position, selectively firing the round in firing position to drive a fastener into a workpiece, and finally ejecting the spent cartridge case of the fired round, or the entire round in the event that the round is not fired. |
