Plant watering system

Claim 1

IN A POTTED PLANT WATERING SYSTEM, AN ELONGATED BENCH SUPPORTING A PLURALITY OF PLANT RECEPTACLES THEREON, A SUBSTANTIALLY RECTILINEAR MAIN WATER CONDUIT EXTENDING LONGITUDINALLY OF THE BENCH AND COMPOSED OF A PLURALITY OF CONDUIT SECTIONS ALTERNATING WITH T-CONNECTIONS, EACH HAVING THE OPPOSITE ENDS THEREOF FRICTIONALLY ENGAGING THE ENDS OF ADJACENT CONDUIT SECTIONS AND THE MEDIAL NECK PORTION THEREOF FACING UPWARDLY, A SHORT RISER PIPE FRICTIONALLY ENGAGING SAID NECK PORTION, A CHECK VALVE CASING SEATED ON SAID SHORT RISER PIPE AND CONTAINING A CHECK VALVE PERMITTING ONLY UNI-DIRECTIONAL FLOW OF WATER FROM SAID MAIN WATER CONDUIT, A MAIN RISER PIPE EXTENDING FROM SAID CASING, A WATER HEADER FRICTIONALLY SEATED ON THE UPPER END OF SAID MAIN RISER PIPE, AN ADJUSTABLE VALVE IN SAID HEADER AND INDEPENDENT OF SAID MAIN WATER CONDUIT FOR CONTROLLING THE QUANTITY OF WATER FED INTO SAID HEADER FROM SAID MAIN RISER PIPE, SAID HEADER HAVING A PLURALITY OF OPENINGS IN THE BOTTOM THEREOF FOR THE PASSAGE OF THE WATER THEREFROM, A PLURALITY OF FLEXIBLE FEEDER TUBES HAVING INLET ENDS DETACHABLY CONNECTED TO THE BOTTOM OF SAID HEADER AND THE OPENINGS THEREIN AND OUTLET ENDS ADAPTED TO BE POSITIONED IN THE PLANT RECEPTACLES ON THE BENCH, SAID CHECK VALVE CASING BEING FORMED OF AN INTERFITTING BASE AND COVER WITH CENTRALLY DISPOSED CYLINDRICAL EXTENSIONS EMBRACING SAID RISER PIPE, A SUBSTANTIALLY CIRCULAR FLEXIBLE FLAP VALVE HAVING A RADIAL PROJECTION WITH OPENINGS THEREIN LOOSELY MOUNTED ON PINS EXTENDING UPWARDLY FROM SAID BASE, A RETAINER FOR SAID VALVE HAVING AN ARCUATE LATERAL WALL SPACED FROM THE CYLINDRICAL LATERAL WALL OF SAID BASE WITH A NOTCHED BOTTOM EDGE HAVING RECESSES THEREAT FOR RECEIVING SAID PINS TO PERMIT LIMITED MOVEMENT OF SAID RADIAL PORTION OF SAID FLAP VALVE, AND AN ARM EXTENDING RADIALLY FROM SAID ARCUATE LATERAL WALL ABOVE SAID EDGE TO PERMIT SAID CIRCULAR FLAP VALVE TO MOVE UPWARDLY A LIMITED AMOUNT IN RESPONSE TO WATER PRESSURE IN THE SYSTEM.