Quick-acting biased valved coupling for fluid pipe

Claim 1

IN A PIPE COUPLING COMPRISING A HOLLOW BODY HAVING MEANS AT ONE END ADAPTED FOR RAPIDLY COUPLING SAID BODY TO A CONNECTOR ON A TANK OR CONDUIT OR THE LIKE, AND A BRANCH ON SAID BODY TO WHICH ANOTHER PIPE MAY BE CONNECTED, AN IMPROVED VALVE STRUCTURE COMPRISING A POPPET TYPE VALVE HAVING A STEM GUIDED IN SAID BODY COOPERATING WITH A SEATING ADJACENT SAID ONE END THEREOF TO CONTROL THE FLOW OF FLUID BETWEEN SAID ONE END OF SAID BODY AND SAID BRANCH, A CONTROL SPINDLE CO-AXIAL WITH SAID VALVE STEM CONNECTED THERETO BY A RUNNING JOINT, SAID CONTROL SPINDLE HAVING A SCREW THREAD ALONG A PART OF ITS LENGTH, A MEMBER FORMING A SPRING ABUTMENT MOUNTED FOR AXIAL MOVEMENT BUT HELD AGAINST ROTATION ENGAGED BY SAID SCREW THREAD, A HAND WHEEL ATTACHED TO SAID CONTROL SPINDLE, WHEREBY ROTATION OF SAID CONTROL SPINDLE CAUSES AXIAL DISPLACEMENT OF SAID ABUTMENT WITH RESPECT TO SAID VALVE STEM, A ROTATABLE SLEEVE MOUNTED IN THE OTHER END OF SAID BODY CO-AXIAL WITH SAID CONTROL SPINDLE, AN EXTERNAL SCREW THREAD ON THE PORTION OF SAID SLEEVE INSIDE SAID BODY, A SECOND HAND WHEEL ATTACHED TO THE PORTION OF SAID SLEEVE OUTSIDE SAID BODY, AN INTERNALLY THREADED MEMBER ENGAGED BY SAID SCREW THREAD ON SAID SLEEVE CONSTITUT-