Frostproof sillcock

Claim 1

A SILLCOCK COMPRISING AN ELONGATED TUBULAR MEMBER, AN INTERNAL SHOULDER IN SAID TUBULAR MEMBER NEAR ONE END THEREOF, A PORTION OF SAID MEMBER ABOVE SAID SHOULDER BEING THREADED, AND A REMOVABLE SUB-ASSEMBLY FOR SAID TUBULAR MEMBER COMPRISING A BODY THREADED TO THE OTHER END OF SAID TUBULAR MEMBER, SAID BODY HAVING A PASSAGE THEREIN CONNECTED TO THE INTERIOR OF SAID TUBULAR MEMBER, AN ELONGATED VALVE STEM MOVABLY CARRIED BY SAID BODY AND HAVING ONE END THEREOF EXTENDING INTO SAID TUBULAR MEMBER, MEANS FOR ROTATING SAID VALVE STEM AND EFFECTING LENGTHWISE MOVEMENT THEREOF WITH RESPECT TO SAID TUBULAR MEMBER, SAID ONE END OF SAID VALVE STEM BEING PROVIDED WITH A CAVITY WHICH OPENS TOWARD SAID SHOULDER, AN ABUTMENT ON SAID ONE END OF THE STEM SURROUNDING SAID CAVITY, A ROD HAVING AN END PORTION IN SAID CAVITY, MEANS FOR SECURING SAID ROD TO SAID STEM, A FLANGE ON SAID ROD AXIALLY SPACED FROM SAID ABUTMENT, A RESILIENT VALVE ELEMENT INTERPOSED ON SAID STEM AND HELD AGAINST SAID ABUTMENT BY THE FLANGE ON SAID ROD, A PLURALITY OF FINGERS ON THE OTHER END PORTION OF SAID ROD, AN EXTERNALLY THREADED ANNULAR VALVE SEAT MEMBER REMOVABLY MOUNTED WITH A THREADED FIT WITH THE THREADED PORTION OF SAID TUBULAR MEMBER IN ABUTTING ENGAGERMENT WITH SAID SHOULDER, SAID ROD EXTENDING FREELY THROUGH THE PASSAGE IN SAID SEAT MEMBER, AND A SELECTIVELY ENGAGEABLE AND DISENGAGEABLE DRIVING CONNECTION PROVIDED BETWEEN SAID THREADED ANNULAR VALVE SEAT AND SAID FINGERS CONSISTING OF A PLURALITY OF SLOTS PROVIDED IN THE SURFACE OF SAID THREADED VALVE SEAT MEMBER FACING SAID SHOULDER, ONE SLOT FOR EACH OF SAID FINGERS, SAID FINGERS BEING DISENGAGED FROM SAID SEAT MEMBER IN THE NORMAL VALVING MOVEMENT OF SAID STEM AND SAID ROD, SAID FINGERS HAVING ABUTMENT SURFACES WHICH ARE CONSTRUCTED AND ARRANGED UPON SELECTED MOVEMENT OF SAID VALVE STEM TO ENGAGE AND INTERLOCK WITH THE WALLS OF THE SLOTS IN SAID THREADED VALVE SEAT MEMBER TO FORM SAID DRIVING CONNECTION WHICH IS EFFECTIVE UPON ROTATION OF SAID VALVE STEM IN ONE DIRECTION TO ROTATE SAID SEAT MEMBER INTO THREADED ENGAGEMENT WITH THE THREADED PORTION OF SAID TUBULAR MEMBER AND INTO SHOULDER ENGAGING POSITION, AND SAID DRIVING CONNECTION BEING EFFECTIVE UPON ROTATION OF SAID STEM IN THE OTHER DIRECTION TO ROTATABLY UNTHREAD SAID SEAT MEMBER FROM SAID THREADED PORTION AND MOVE SAID SEAT MEMBER AWAY FROM SAID SHOULDER ENGAGING POSITION UPON DISASSEMBLY OF SAID BODY FROM SAID TUBULAR MEMBER.