Core-unloading apparatus for an automatic core-making machine

Claim 1

IN A CORE-UNLOADING APPARATUS ADAPTED TO BE POSITIONED ADJACENT TO A CORE-MAKING MACHINE AND SUCCESSIVELY TO REMOVE FINISHED CORES FROM THE DISCHARGE AREA OF THE MACHINE, IN COMBINATION, A FRAMEWORK, A LIFT CYLINDER ON SAID FRAMEWORK AND HAVING ITS AXIS EXTENDING VERTICALLY, A PLUNGER SLIDABLE IN SAID LIFT CYLINDER, A GUIDE FRAME FIXED TO THE UPPER END OF SAID PLUNGER AND MOVABLE BODILY WITH THE PLUNGER BETWEEN RAISED AND LOWERED POSITIONS ABOVE THE HOUSING CORRESPONDING TO THE RAISED AND LOWERED POSITIONS OF THE PLUNGER RESPECTIVELY A CARRIAGE MOUNTED ON THE GUIDE FRAME FOR HORIZONTAL MOVEMENT BETWEEN RETRACTED AND ADVANCED POSITIONS RESPECTIVELY, A PLURALITY OF HORIZONTALLY DISPOSED CORE-ENGAGING LIFT FINGERS ON SAID CARRIAGE, SAID FINGERS BEING ADAPTED WHEN THE GUIDE FRAME IS IN ITS LOWERED POSITION AND THE CARRIAGE IS IN ITS ADVANCED POSITION ON THE GUIDE FRAME TO UNDERLIE A CORE POSITIONED IN THE DISCHARGE AREA, A HORIZONTAL ROCK SHAFT ON SAID FRAMEWORK, A ROCKER ARM FIXEDLY SECURED TO THE ROCK SHAFT, MEANS ON SAID CARRIAGE DEFINING A VERTICALLY EXTENDING GUIDE CHANNEL, A ROLLER CARRIED ON THE DISTAL END OF SAID ROCKER ARM AND SLIDABLE IN SAID GUIDE CHANNEL, AN OPERATING CYLINDER PIVOTED TO THE FRAMEWORK, A PISTON ROD SLIDABLE IN SAID OPERATING CYLINDER, A BELL CRANK LEVER MOUNTED ON THE FRAMEWORK FOR SWINGING MOVEMENT ABOUT A HORIZONTAL AXIS AND HAVING ONE ARM COOPERATIVELY ACONNECTED TO THE PISTON ROD, AND A ROCKER FORK FIXEDLY SECURED TO THE ROCK SHAFT AND HAVE A BIFURCATED OUTER END, SAID BELL CRANK LEVER HAVING ITS OTHER ARM ENGAGEABLE BETWEEN THE FURCATIONS OF SAID ROCKER FORK.