Wedge gate valve

Claim 1

A GATE VALVE COMPRISING A GATE HOUSING, AN OUTLET CONDUIT SECURED TO THE HOUSING, A COAXIAL INLET CONDUIT SECURED TO THE HOUSING AND HAVING A GATE SEALING END, A GATE MEMBER IN THE HOUSING DISPOSED FOR MOVEMENT TRANSVERSELY AND AXIALLY WITH RESPECT TO THE INLET CONDUIT, TRACK MEANS MOUNTING THE GATE MEMBER FOR MOVEMENT TRANSVERSELY OF THE INLET CONDUIT IN SPACED RELATION TO THE GATE SEALIN GEND OF THE INLET CONDUIT BETWEEN A RETRACTED POSITION DISPLACED LATERALLY FROM THE INLET CONDUIT AND AN EXTENDED POSITION TRAVERSING SAID INLET CONDUIT, STAGGERED COPERATING CAM MEANS ON THE GATE MEMBER AND ON THE OUTLET CONDUIT SIDE OF THE HOUSING OUTWARDLY OF SAID OUTLET CONDUIT AND ARRANGED FOR MUTUAL ENGAGEMENT DURING FURTHER TRANSVERSE MOVEMENT OF THE GATE MEMBER IN THE DIRECTION OF AND AFTER SUBSTANTIALLY REACHING SAID EXTENDED POSITION TO MOVE THE GATE MEMBER IN THE AXIAL DIRECTION OF THE OUTLET CONDUIT INTO SEALING ENGAGEMENT ACROSS THE GATE SEALING END OF THE CONDUIT, DRIVE MEANS FOR MOVING THE GATE MEMBER IN SAID TRANSVERSE DIRECTION, AND COUPLING MEANS INTERCONNECTING THE DRIVE MEANS AND GATE MEMBER FOR LIMITED RELATIVE MOVEMENT OF THE LATTER IN SAID AXIAL DIRECTION.