Kick sub

Claim 1

A KICK SUB, COMPRISING: A BARREL HAVING A LONGITUDINAL PASSAGEWAY THERETHROUGH WITH AN ANNULAR TAPERED, UPWARDLY FACING SHOULDER ADJACENT THE LOWER END, AND AN INTERNALLY THREADED COUNTERBORE IN THE LOWER END OF SAID PASSAGE WITH A DOWNWARDLY FACING SHOULDER AT THE UPPER END THEREOF, SAID BARREL HAVING AN INTERNALLY THREADED SOCKET AT THE UPPER END, AN EXTERNALLY THREADED PIN AT THE LOWER END, AND A RADIALLY EXTENDING JET DISCHARGE ORIFICE THROUGH THE WALL THEREOF CONNECTING THE PASSAGE IN SAID BARREL WITH THE EXTERIOR THEREOF, SAID BARREL ALSO HAVING A RADIALLY EXTENDING TAPPED OPENING THROUGH THE WALL THEREOF ABOVE THE ORIFICE; A SHATTERABLE PLATE IN SAID COUNTERBORE, SAID PLATE HAVING A PERIPHERAL EDGE PORTION ABUTTING THE SECOND MENTIONED SHOULDER; AN EXTERNALLY THREADED ANNULAR NUT SCREWED INTO SAID COUNTERBORE AND SECURING SAID PLATE AGAINST SAID SHOULDER; A HOLLOW, CYLINDRICAL PLUNGER HAVING A DISCHARGE OPENING IN THE SIDE WALL THEREOF FROM THE INTERIOR TO THE EXTERIOR, SAID PLUNGER BEING SLIDABLY DISPOSED IN THE PASSAGEWAY IN SAID BARREL ABOVE SAID SHOULDER AND HAVING A WALL AT THE UPPER END THEREOF PROVIDED WITH A PLURALITY OF OPENINGS THERETHROUGH INTO THE INTERIOR OF SAID PLUNGER, A SPIDER ON THE LOWER END OF SAID PLUNGER HAVING OPENINGS THERETHROUGH, SAID SPIDER TAPERING DOWNWARDLY AND INWARDLY, AND AN AXIALLY ARRANGED ROD SECURED AT THE LOWER END OF SAID SPIDER WITH THE LOWER END OF SAID ROD OF RELATIVELY SMALL AREA, THE UPPER END OF SAID SPIDER BEING ADAPTED TO SEAT ON SAID UPWARDLY FACING SHOULDER WHEN THE PLUNGER IS IN