Power operated device

Claim 1

IN A DEVICE INCLUDING A FRAME AND HAVING A PLURALITY OF LOAD ELEMENTS SUPPORTED ON SAID FRAME IN A LONGITUDINALLY EXTENDING SERIES AND SHIFTABLE TO PREDETERMINED POSITIONS RELATIVE TO EACH OTHER AND TO A FIXED ELEMENT POSITIONED AT ONE END OF SAID SERIES, A PLURALTIY OF CYLINDERS FIXEDLY MOUNTED ON SAID FRAME, A PISTON IN EACH OF SAID CYLINDERS CONNECTED ONE TO EACH OF SAID LOAD ELEMENTS FOR SHIFTING THE SAME, CONTROL MEANS FOR SAID CYLINDERS RESPONSIVE TO PREDETERMINED SIGNALS TO CAUSE MOVEMENT OF ANY SELECTED ONE OF SAID PISTONS TO SHIFT THE CORRESPONDING LOAD ELEMENT A PREDETERMINED DISTANCE LONGITUDINALLY OF SAID SERIES AND MEANS RESPONSIVE TO AND OPERABLE UPON SHIFTING OF ANY ONE OF SAID LOAD ELEMENS TO CAUSE THE PISTON CONNECTED TO THE LOAD ELEMENT NEXT ADJACENT THERETO ON THE SIDE AWAY FROM SAID FIXED ELEMENT TO BE DRIVEN RELATIVE TO ITS CYLINDER AND TO SHIFT THE LOAD ELEMENT CONNECTED TO SAID LAST MENTIONED PISTON A DISTANCE EQUAL TO AND IN THE DIRECTION OF THE MOVEMENT OF THE SAID ONE LOAD ELEMENT.