Jettison system for discharging fluid from a ship at sea

Claim 1

FOR USE WITH A SHIP CARRYING A FLUID WHICH MAY HAVE TO BE DISCHARGED AT SEA, A JETTISON SYSTEM COMPRISING A PAIR OF EXTERIOR BRACKETS ADAPTED TO BE FIXED TO THE SHIP AT THE EXTERIOR THEREOF, A PAIR OF PIVOTS CARRIED BY SAID BRACKETS AND HAVING A COMMON SUBSTANTIALLY HORIZONTAL AXIS, AN A-FRAME HAVING A PAIR OF FREE ENDS TURNABLY MOUNTED ON SAID PIVOTS, SO THAT SAID A-FRAME IS SWINGABLE ABOUT SAID PIVOTS FROM AN UPPER STOWED POSITION WHERE SAID A-FRAME EXTENDS UPWARDLY FROM SAID AXIS TO A LOWER OPERATIVE POSITION WHERE SAID A-FRAME EXTENDS AT LEAST UP TO THE WATERLINE, SAID BRACKETS RESPECTIVELY CARRYING FRAME STOPS ENGAGED BY SAID A-FRAME WHEN THE LATTER IS IN SAID LOWER OPERATIVE POSITION THEREOF TO DETERMINE THE LOWER POSITION OF SAID A-FRAME, A CABLE CONNECTED TO SAID A-FRAME FOR TURNING THE LATTER BETWEEN SAID POSITIONS THEREOF, DISCHARGE CONDUIT MEANS COMMUNICATING WITH THE FLUID AND HAVING AN EXTERIOR PORTION CARRIED BY SAID A-FRAME FOR MOVEMENT THEREWITH AND TERMINATING IN A DISCHARGE NOZZLE WHICH IS SITUATED AT AN ELEVATION NO HIGHER THAN THE WATERLINE WHEN SAID A-FRAME