Anglecock

Claim 1

A RAILROAD CAR ANGLE COCK, COMPRISING IN COMBINATION, A VALVE CASING; AN INLET DUCT AND AN OUTLET DUCT FOR THE CASING, SAID CASING AND DUCTS BEING CO-AXIAL; A VALVE SEAT DISPOSED AT THE INNER END OF SAID OUTLET DUCT, CONCENTRIC WITH THE DUCT; THE CASING HAVING A FIXED BEARING IN ITS BOTTOM WALL AND A NECK IN ITS TOP WALL WITH A VERTICAL BORE THERETHROUGH, ALIGNED WITH THE BOTTOM WALL BEARING, AND ADAPTED TO RECEIVE A CLOSURE BONNET THEREIN IN A BAYONET FIT, THE CENTER-LINE OF THE FIXED BEARING AND NECK BORE BEING ECCENTRIC TO THE LONGITUDINAL AXES OF THE VALVE CASING, VALVE DUCTS AND VALVE SEAT; A CYLINDRICAL CLOSURE BONNET, HAVING A BEARING BORE THERETHROUGH, REMOVABLY MOUNTED IN SAID NECK BORE BAYONET SEAT; A ROTATABLE C VALVE UNIT, FOR SAID VALVE SEAT, HAVING A SHAFT ADAPTED TO BE JOURNALED THROUGH SAID BONNET BEARING BORE, AT ITS UPPER END, AND IN THE FIXED BOTTOM WALL BEARING AT ITS LOWER END; AN OPERATING HANDLE MOUNTED ON THE UPPER END OF THE SHAFT, ABOVE THE BONNET; THE BONNET BEING ROTATABLE 90* ON THE C VALVE UNIT SHAFT, BETWEEN A FIRST POSITION, WHEREIN IT AND ITS ASSOCIATED C VALVE UNIT MAY BE FREELY INSERTED IN, OR WITHDRAWN THROUGH, THE CASING NECK BORE, AND, A SECOND POSITION, WHEREIN IT IS IMMOVABLY SEATED AND LOCKED IN THE NECK BORE; THE BONNET ALSO HAVING A LATERALLY EXTENDING PIN MOUNTED IN THE PERIPHERY THEREOF; MEANS ON THE HANDLE ENGAGEABLE WITH THE BONNET PIN, WHEREBY, UPON ROTATION OF THE HANDLE, THE BONNET MAY BE ROTATED FROM ITS FIRST POSITION TO ITS SECOND POSITION; THE HANDLE BEING FREE TO MOVE THROUGH A 90* ARC, EITHER CLOCKWISE OR COUNTER-CLOCKWISE, WHEN THE BONNET IS IN ITS SECOND POSITION, TO ROTATE THE C VALVE UNIT IN SAID BEARINGS TO SEAT AND UNSEAT THE C VALVE UNIT.