Overhead door operator

Claim 1

COUPLING APPARATUS FOR EFFECTIVELY CONVERTING AN UPPER MOTOR-DRIVEN GARAGE-DOOR-TOP-INWARD-PULLLING DEVICE INTO A LOWER GARAGE-DOOR-BOTTOM-OUTWARD-PUSHING-ANDLIFTING DEVICE, COMPRISING LONGITUDINAL LEVER MEANS AND LEVER-MOUNTING MEANS ADAPTED TO BE VERTICALLY MOUNTED ALONG AND FIXEDLY ATTACHED TO AN INSIDE SURFACE OF A GARAGE DOOR OF A TYPE EFFECTIVELY HORIZONTALLY PIVOTALLY MOUNTED FOR MOVEMENT BETWEEN A LOWER VERTICAL CLOSED POSITION AND AN UPPER SUBSTANTIALLY HORIZONTALLY OPEN POSITION AND PROVIDED WITH AN UPPER CONTROLLABLY REVERSIBLE MOTORDRIVEN GARAGE-DOOR-TOP-MOVING DEVICE FOR FORCIBLY MOVING SAID GARAGE DOOR FROM SAID CLOSED POSITION INTO SAID OPEN POSITION, AND VICE VERSA, SAID LEVER-MOUNTING MEANS AND SAID LEVER MEANS BEING PROVIDED WITH HORIZONTALLY DIRECTED PIVOT PIN MEANS EFFECTIVELY PIVOTALLY INTERCONNECTING SAME FOR RELATIVE ROTATION OF SAID LEVER MEANS WITH RESPECT TO SAID LEVER-MOUNTING MEANS AROUND A HORIZONTAL AXIS, SAID LEVER MEANS BEING PROVIDED WITH A PIVOTAL ATTACHMENT AND CONNECTION MEANS FOR CONNECTION TO THE FORWARD END OF A LONGITUDINAL DRIVEN CONNECTION MEMBER OF AN UPPER CONTROLLABLY REVERSIBLE MOTOR-DRIVEN GARAGE-DOOR-TOP-MOVING DEVICE FOR FORCIBLE MOVEMENT REARWARDLY OF SAID ATTACHMENT AND CONNECTION MEANS WHEREBY TO FORCIBLY MOVE AN UPPER PORTION OF SAID LEVER MEANS ABOVE THE LEVEL OF SAID HORIZONTAL PIVOT PIN MEANS REARWARDLY IN A MANNER SUCH AS TO CAUSE A LOWER PORTION OF SAID LEVER MEANS TO EFFECTIVELY APPLY INCREASING OUTWARD AND UPWARD FORCE TO A GARAGE DOOR BOTTOM FOR EFFECTIVELY FACILITATING MOVEMENT OF THE GARAGE DOOR FROM A CLOSED POSITION TO AN OPEN POSITION, AND VICE VERSA, UPON REVERSED DRIVING OPERATION OF THE UPPER MOTOR-DRIVEN GARAGE-DOOR-TOP-MOVING DEVICE.