Abstract: A fastener driving tool for driving a nail or anchor, the tool disposed for feeding of a cartridge strip of explosive cartridges through the tool, which upon ignition drive a plurality of magazined fasteners into a surface; the tool incorporating a handle, a tubular chamber, a piston and combustion chamber within the tubular chamber, the combustion chamber receiving a cartridge in preparation for firing, which upon ignition, propels the piston forwardly for driving of a nail, a fastener housing located forwardly of the tubular chamber, and provided for shifting of a strip of fasteners held by a magazine upwardly through the tool during repeated tool usage.

Abstract: A fastener driving tool for use for driving a nail or other anchor into a hardened surface, such as concrete, the tool applicable for feeding a cartridge strip of magazined explosive cartridges through the tool for repeated subsequent driving of a plurality of fasteners into such a surface, the tool incorporating a handle, a tubular housing provided extending forwardly from the handle, a barrel cylinder provided for limited reciprocal movement within the tubular housing, a cartridge chamber provided at the rear of said barrel cylinder for contiguous reception of a cartridge therein in preparation for firing, a piston provided within the barrel cylinder and provided for reciprocal movement therein between a set position arranged approximate the back segment of the barrel cylinder and at its front segment as after a firing and driving of a fastener in place, the barrel cylinder and piston capable of being reset in preparation for refiring, a feed housing mounted upon the barrel cylinder, providing for an indexi