Workpiece distributors

Claim 1

A DISTRIBUTOR DEVICE FOR FEEDING INDIVIDUAL WORKPIECES TO A UTILIZING MACHINE, COMPRISING, IN COMBINATION: A FRAMEWORK MOUNTED ONM SAID MACHINE; A BASE ELEMENT RIGID WITH SAID FRAMEWORK; A HORIZONTAL SPINDLE CARRIED BY SAID BASE ELEMENT; A SWINGING PART CARRIED BY SAID SPINDLE; AN ARM MOUNTED ON SAID SWINGING PART FOR ROTATION IN A SUBSTANTIALLY HORIZONTAL PLANE; GRIPPING MEANS CARRIED BY SAID ARM FOR CONVEYING SAID WORKPIECES FROM A STORAGE POINT TO SAID MACHINE; AND MEANS FOR CONTROLLING IN SYNCHRONISM THE OPERATIONS OF SAID ARM AND SAID MACHINE, SAID CONTROLLING MEANS INCLUDING A DRUM ROTATABLY MOUNTED ON A SHAFT SOLID WITH SAID FRAMEWORK, A DRIVING MOTOR, AND TRANSMISSION MEANS CONNECTING SAID MOTOR TO SAID DRUM FOR CONTINUOUS ROTATION OF THE LATTER; A CRANKPIN PROVIDED AT ONE END OF SAID DRUM AND A RESILIENTLY TELESCOPABLE CONNECTING ROD, THE OPPOSITE ENDS OF WHICH ARE OPERATIELY CONNECTED TO SAID CRANK-PIN AND TO SAID ARM, RESPECTIVELY, TO OSCILLATE THE LATTER IN SAID PLANE; A PAIR OF ADJUSTABLE STOP MEANS CARRTIED BY SAID SWINGING PART FOR LIMITING THE DISPLACEMENT OF SAID ARM IN SAID PLANE; TWO-LOBE CAM MEANS PROVIDED AT THE PERIPHERY OF SAID DRUM; AND A LEVER PIVOTALLY MOUNTED ON SAID FRAMEWORK AND BEING ACTED UPON AT ONE END OF ITS ENDS BY SAID TWO-LOBE CAM MEANS TO BEAR BY ITS OTHER END ON SAID SWINGING PART OT OSCIALLATE THE LATTER AROUND SAID SPINDLE; RESILIENT MEANS PLACED BETWEEN SAID BASE ELEMENT AND SAID SWINGING PART FOR OPPOSING THE ACTION OF SAID LEVER; ADJUSTABLE ABUTMENT MEANS OPERATIVELY ARRANGED BETWEEN SAID LEVER AND RESPECTIVELY SAID FRAMEWORK AND SAID SWINGING PART TO LIMIT THE VERTICAL DISPLACEMENT OF THE LATTER; AND ADDITIONAL CAM MEANS PROVIDED AT THE PERIPHERY OF SAID DRUM FOR ACTUATING AUXILIARY APPLIANCES OF THE DISTRIBUTOR DEVICE AND CONTROL MEANS FOR OPERATING SAID MACHINE.