Impact tool

Claim 1

AN IMPACT TOOL COMPRISING, IN COMBINATION; A BODY, SAID BODY HAVING A CAVITY: A REPLACEABLE COMBUSTIBLE CARTRIDGE POSITIONED WITHIN SAID CAVITY FOR IGNITING THEREIN TO PRODUCE A QUANTITY OF GAS UNDER PRESSURE; A RECIPROCATING PNEUMATIC MOTOR POSITIONED WITHIN SAID BODY FOR ENGAGING A LAND ANCHOR, SAID PNEUMATIC MOTOR HAVING A FIRST BORE, A SECOND BORE OF REDUCED DIAMETER WITH RESPECT TO SAID FIRST BORE, AND A FORCE APPLICATOR DISPOSED WITHIN SAID FIRST AND SECOND BORES FOR RECIPROCATING LONGITUDINAL MOVEMENT THEREIN, SAID FORCE APPLICATOR COMPRISING; A FIRST PISTON DISPOSED WITHIN SAID FIRST BORE, AND A SECOND PISTON DISPOSED WITHIN SAID SECOND BORE; SAID SECOND PISTON BEING OF REDUCED DIAMETER WITH RESPECT TO SAID FIRST PISTON, SAID FIRST PISTON AND SAID BODY DEFINING A FIRST AND SECOND CHAMBER THEREBETWEEN, SAID SECOND CHAMBER BEING DISPOSED COMPLETELY ANNULARLY ABOUT SAID SECOND PISTON, SAID FORCE APPLICATOR BEING MOVABLE RECIPROCALLY WITH RESPECT TO SAID BODY IN EACH OF A PLURALITY OF DIRECTIONS; VALVE MEANS POSITIONED WITHIN SAID BODY FOR CAUSING THE RECIPROCAL MOVEMENTS OF SAID FORCE APPLICATOR, SAID VALVE MEANS COMPRISING; SAID BODY HAVING A VALVE BODY DISPOSED THEREWITHIN, A VALVE DISPOSED WITHIN SAID VALVE BORE AND HAVING A PLURALITY OF POSITIONS THEREWITHIN, SAID VALVE COMPRISING; A PLURALITY OF SPACED LANDS; AND MEANS FOR CAUSING OSCILLATION OF SAID VALVE MEANS, SAID OSCILLATION MEANS COMPRISING; A STEM EXTENDING FROM SAID VALVE IN A DIRECTION TOWARDS SAID FORCE APPLICATOR, SAID FORCE APPLICATOR HAVING AN OPEN-ENDED BORE DISPOSED THEREWITHIN, A VALVE OPERATING SLEEVE POSITIONED WITHIN SAID BORE AT THE END THEREOF, A PLURALITY OF SHIFTING LANDS POSITIONED UPON SAID STEM, ONE OF SAID SHIFTING LANDS BEING DISPOSED WITHIN SAID BORE FOR RECIPROCAL MOVEMENT WITH RESPECT THERETO, AND A PLURALITY OF SPRINGS, ONE OF SAID SPRINGS BEING POSITIONED ADJACENT SAID VALVE OPERATING SLEEVE FOR ENGAGING ONE OF SAID SHIFTING LANDS, ANOTHER OF SAID SPRINGS BEING POSITIONED ADJACENT THE OTHER OF SAID LANDS TO ENGAGE SAID VALVE OPERATING SLEEVE, WHEREBY THE VALVE OPERATING SLEEVE IS ENGAGEABLE WITH ONE OF SAID PLURALITY OF SPRINGS TO OSCILLATE SAID VALVE TO ONE OF ITS PLURALITY OF POSITIONS BY ANOTHER OF SAID PLURALITY OF SHIFTING LANDS; AND A LAND ANCHOR, SAID ANCHOR COMPRISING; A BODY, SAID BODY HAVING; A PLURALITY OF FRANGIBLE SIDE WALLS PARTICULARLY ADAPTED TO BE EXPLODED OUTWARDLY THEREOF, AND ONE END PARTICULARLY ADAPTED TO BE CONNECTED TO SAID FORCE APPLICATOR; A HEAD CONNECTED TO ANOTHER END OF SAID BODY, SAID HEAD COMPRISING; AN IGNITION MECHANISM; AND A CARTRIDGE OF COMBUSTIBLE MATERIAL POSITIONED WITHIN SAID BODY PARTICULARLY ADAPTED TO BE IGNITED BY SAID IGNITION MECHANISM FOR EXPLODING SAID FRANGIBLE SIDE WALLS OUTWARDLY OF SAID BODY AND PROVIDING TANGS INCREASING THE FORCE WITH WHICH THE LAND ANCHOR IS CAPABLE OF BEING EMBEDDED IN THE GROUND.