Pouring spout for battery fillers and the like

Claim 1

IN A POURING SPOUT FOR A BATTERY FILLER OR THE LIKE HAVING A DISCHARGE OPENING: (A) AN ELONGATED STEM HAVING INNER AND OUTER ENDS AND ATTACHMENT MEANS AT ITS INNE END FOR RELEASABLY SECURING THE STEM TO A BATTERY FILLER AT THE DISCHARGE OPENING THEREOF, (B) SAID STEM DEFINING LONGITUDINALLY EXTENDING LIQUID DISCHARGE AND AIR VENT PASSAGES TERMINATING AT ONE END INWARDLY OF SAID OUTER END OF THE STEM, (C) SAID LIQUID DISCHARGE PASSAGE TERMINATING AT ITS OTHER END OF SAID ATTACHMENT MEANS FOR COMMUNICATION WITH SAID DISCHARGE OPENING, (D) SAID STEM HAVING AN ELONGATED HOLLOW EXTENSION PORTION AT ITS INNER END ADAPTED TO PROJECT INTO THE BATTERY FILLER AND DEFINING AN EXTENSION OF SAID AIR VENT PASSAGE, (E) SAID STEM DEFINING LATERALLY OPENING LIQUID DELIVERY AND AIR VENT PORTS TO SAID ONE END OF THE LIQUID DISCHARGE AND AIR VENT PASSAGES RESPECTIVELY, (F) AN ANNULAR VALVE ELEMENT ON SAID STEM BETWEEN SAID OUTER END THEREOF AND SAID PORTS, (G) AN ELONGATED TUBULAR MEMBER CONCENTRIC WITH SAID STEM AND HAVING AN OUTER END PORTION CLOSELY SLIDABLY ENCOMPASSING SAID STEM, SAID TUBULAR MEMBER BEING MOVABLE AXIALLY OF SAID STEM TOWARD THE OUTER END THEREOF WHEREBY SAID OUTER END PORTION OF THE TUBULAR MEMEBR COVERS SAID PORTS AND SEATINGLY ENGAGES SAID VALVE ELEMENT, SAID TUBULAR MEMBER BEING AXIALLY MOVABLE TOWARD THE INNER END OF SAID STEM WHEREBY SAID OUTER END PORTION OF THE TUBULAR MEMBER DISENGAGES SAID VALVE ELEMENT AND EXPOSES SAID PORTS TO PERMIT DISCHARGE OF LIQUID THROUGH SAID DISCHARGE PASSAGE AND ENTRY OF AIR INTO SAID AIR VENT PASSAGE, (H) AND YIELDING MEANS URGING SAID TUBULAR MEMBER AXIALLY TOWARD THE OUTER END OF SAID STEM TO COVER SAID PORTS AND ENGAGES SAID VALVE ELEMENT, (I) SAID TUBULAR MEMBER HAVING AN INNER END PORTION DEFINING A RADIALLY OUTWARDLY PROJECTING BATTERY ENGAGING ELEMENT SPACED FROM THE OUTER END PORTION OF SAID TUBULAR MEMBER A DISTANCE SUBSTANTIALLY GREATER THAN THE DIAMETER OF SAID OUTER END PORTION OF THE TUBULAR MEMBER, (J) SAID STEM DEFINING A RELIEF PORT CONNECTING SAID AIR VENT PASSAGE TO ATMOSPHERE INTERMEDIATE SAID AIR VENT PORT AND SAID ATTACHMENT MEANS, SAID RELIEF PORT BEING OPEN TO ATMOSPHERE AT ALL PORTIONS OF SAID TUBULAR MEMBER.