Apparatus for splicing film

Claim 1

IN AN APPARATUS FOR SPLICING FILM, THE COMBINATION COMPRISING AN ELONGATED FRAME, MEANS FOR SUPPORTING A ROLL OF ADHESIVE TAPE ON THE FRAME, A ROLLER ON THE FRAME FOR PULLING THE TAPE FROM THE ROLL, A GUIDE MEANS AT THE END OF THE FRAME FOR GUIDING THE TAPE AROUND A CORNER OF THE FRAME, HOLDING MEANS ON THE GUIDE MEANS FOR HOLDING THE TAPE IN POSITION, TWO PARALLEL SHAFTS EXTENDING LONGITUDINALLY OF AND JOURNALLED IN THE FRAME, A SUPPORTING ARM MOUNTED AT EACH END OF EACH SHAFT, THE TWO ARMS AT ONE END OF THE TWO SHAFTS BEING GEARED TOGETHER TO MOVE IN UNISON UPON ROTATION OF ONE OF THE SHAFTS, TWO PARALLEL BARS SUPPORTED BY SAID ARMS FOR MOVEMENT TOWARD AND AWAY FROM EACH OTHER, A THIRD SHAFT EXTENDING PARALLEL TO SAID TWO SHAFTS AND JOURNALLED IN THE TWO ARMS AT THE ENDS OF ONE OF THE TWO SHAFTS, SAID THIRD SHAFT HAVING A HELICAL GROOVE IN ITS SURFACE EXTENDING SUBSTANTIALLY THE FULL LENGTH THEREOF, A CARRIAGE MOUNTED FOR SLIDING MOVEMENT ON THE BAR WHICH IS MOUNTED ON THE SAME PAIR OF ARMS AS THE THIRD SHAFT, MEANS ON THE CARRIAGE COOPERATING WITH THE GROOVE IN THE THIRD SHAFT, WHEREBY ROTATION OF SAID LAST MENTIONED SHAFT CAUSES THE CARRIAGE TO SLIDE ALONG THE BAR, BACK AND FORTH FROM ONE END OF THE BAR TO THE OTHER, A PAIR OF FINGERS ATTACHED TO THE CARRIAGE AND MOVABLE THEREWITH, ONE OF SAID FINGERS BEING RIGID WITH THE CARRIAGE AND THE OTHER FINGER BEING SLIDABLE RELATIVE TO THE ONE FINGER AND CARRIAGE, MEANS FOR URGING THE TWO FINGERS TOGETHER, A CAM POSITIONED AT EACH END OF THE SHAFT CARRYING THE ARMS SUPPORTING SAID THIRD SHAFT AND MEANS CARRIED BY SAID SLIDABLE FINGER ADAPTED TO COOPERATE WITH SAID CAMS TO MOVE SAID SLIDABLE FINGER TO SEPARATE THE FINGERS WHEN THE CARRIAGE REACHES THE END OF ITS MOVEMENT IN EITHER DIRECTION AND MEANS FOR ROTATING ONE OF SAID TWO SHAFTS TO MOVE THE BARS TOWARD AND AWAY FROM EACH OTHER.