Draw hook toggle latch mechanism

Claim 1

A DRAW HOOK TOGGLE MECHANISM LATCH, THE COMBINATION COMPRISING, A SUPPORT MOUNTING BRACKET, A LATCH ACTUATOR, A BELL CRANK, A LINK, A DRAW HOOK, A BIASING SPRING AND A TORSION SPRING, SAID SUPPORT MOUNTING BRACKET PROVIDING SUPPORT FOR LATCH ACTUATOR AND BELL CRANK BY MEANS OF TWO CROSS PINS IN ALIGNED RELATINSHIP AT OPPOSITE ENDS OF SUPPORT MOUNTING BRACKET AND ABOUT WHICH THE LATCH ACTUATOR AND THE BELL CRANK ARE ROCKABLE ABOUT THEIR CENTRAL PORTIONS ON FIXED AXES WHEN MECHANISM IS OPERATED, SAID LINK HAVING OPPOSITE ENDS ROTATABLY CONNECTED TO THE BELL CRANK AND THE LATCH ACTUATOR BY CROSS PINS PROVIDING AXES WHICH MOVE DURING LATCH OPERATION, SAID DRAW HOOK HAVING A HOOK PORTION AT ONE END, HAVING THE OTHER END ROTATABLY CONNECTED TO THE BELL CRANK AT END OPPOSITE FROM LINK CONNECTION BY A PIN WHOSE AXIS MOVES THROUGH AN ARC TO PROVIDE DRAWING MOTION TO THE DRAW HOOK WHEN THE MECHANISM IS OPERATED, A TORSION SPRING MOUNTED UNDER STRESS WITH COIL PORTION SURROUNDING PIVOT AXIS PIN OF DRAW HOOK AND HAVING END PORTIONS ONE OF WHICH IS SECURED BY THE FIXED AXIS PIVOT CROSS PIN OF SAID BELL CRANK AND THE OTHER BEARING AGAINST THE DRAW HOOK WITH FORCE CAUSING SAID DRAW HOOK TO RETRACT FROM LATCHED ENGAGEMENT AND BEAR AGAINST THE LATCH ACTUATOR WHEN THE LATCH IS IN THE RELEASED POSITION, A SECOND TORSON SPRING MOUNTED UNDER STRESS HAVING COILED PORTION SURROUNDING THE CROSS PIN WHICH JOINS SAID LINK TO SAID BELL CRANK AND HAVING END PORTIONS ONE OF WHICH IS SECURED TO FIXED PIVOT AXIS CROSS PIN OF SAID BELL CRANK AND THE OTHER SECURED TO THE CROSS PIN JOINING SAID LINK TO SAID ACTUATOR, SAID SECOND TORSION SPRING EXERTING BIASING FORCE TO THE ACTUATOR FORCIBLY HOLDING IT TO THE POSITION TO WHICH IT IS LAST ACTUATED.