Mechanism for crankshaft lathes

Claim 1

IN WORK HANDLING APPARATUS FOR SUPPLYING WORKPIECE TO AND REMOVING THEM FROM VERTICALLY SPACED AXES OF ROTATION ON WHICH PIECES OF WORK MAY BE ROTATED; A FRAME; A LONGITUDINALLY DISPOSED CARRIAGE RAIL ADAPTED TO BE MOUNTED ON SAID FRAME ARRANGED PARALLEL TO THE AXES OF ROTATION; A VERTICALLY EXTENDING CARRIAGE MOVABLE LONGITUDINALLY ON SAID RAIL; A VERTICALLY MOVABLE SLIDE ON SAID CARRIAGE; AND A PAIR OF VERTICALLY SPACED, BELL CRANKLIKE, WORK CARRYING CRADLE MEMBERS MOVABLE VERTICALLY WITH SAID SLIDE HAVING WORK SUPPORTING ARMS AT THE UPPER ENDS THEREOF PIVOTALLY MOUNTED INTERMEDIATE THEIR ENDS ON SAID SLIDE TO SWING SAID ARMS FROM A POSITION OUTWARD OF SAID AXES IN TO SAID AXES, SAID ARM HAVING VERTICALLY ACCESSIBLE, UPPER EDGES WORK HOLDING AND ENGAGING SURFACE AT THE UPPER ENDS THEREOF; A DRIVE MOTOR SUPPORTED BY SAID FRAME CONNECTED TO SAID SLIDE FOR MOVING IT VERTICALLY, A DRIVE MOTOR SUPPORTED BY SAID FRAME CONNECTED TO SAID CARRIAGE FOR MOVING SAID CARRIAGE LONGITUDINALLY, A LINK CONNECTED TO SAID CRADLE MEMBERS; AND A DRIVE MOTOR CONNECTED TO SAID LINK SEPARATE FROM SAID PREVIOUSLY MENTIONED DRIVE MOTORS SO THAT THE SWING OF SAID CRADLE MEMBERS IN UNISON WILL NOT BE AFFECTED BY SAID PREVIOUSLY MENTIONED MOTORS AND SAID CRADLE MEMBERS CAN BE SEQUENTIALLY OPERATED WITH SAID CRANE AND SLIDE.