LINKED LADING AND VENT VALVES FOR VESSELS

摘要

Apparatus for effecting substantially tandem operation of first and second valves spaced apart by a variable distance comprises a mechanical coupling mechanism interconnecting the valves and including first and second pivotally interconnected portions respectively coupled to the valves in a configuration which varies with the distance between the valves, the coupling mechanism being responsive to operation of the first valve to effect the corresponding operation of the second valve. The valves may be mounted in a vessel and the coupling mechanism may permit operation of the second valve independently of the first valve and may also automatically disconnect from the second valve in response to a predetermined movement of the second valve without operation thereof.