Leverage proportioned tracing machine

Claim 1

IN A MILLING MACHINE FOR DUPLICATING IN A ROTATING WORKPIECE A CONFIGURATION PROPORTIONALLY LIKE THAT OF A ROTATING PATTERN, THE COMBINATION OF AN ELONGATE SADDLE STATIONED ON THE MILLING MACHINE HAVING AT LEAST ONE RECTILINEAR LONGITUDINALLY GUIDEWAY, A FIRST CARRIAGE SLIDABLE ALONG A GUIDEWAY ON SAID SADDLE, A FIRST PATTERN CARRYING ROTARY TABLE MOUNTED ON SAID FIRST CARRIAGE, A SECOND CARRIAGE SLIDABLE ALONG A GUIDEWAY ON SAID SADDLE ALIGNED STRAIGHTWAY LENGTHWISE WITH SAID RECTILINEAR GUIDEWAY, A SECOND WORK CARRYING ROTARY TABLE MOUNTED ON SAID SECOND CARRIAGE, MEANS CONTROLLED BY THE CONFIGURATION OF A PATTERN ROTATING ON SAID FIRST TABLE OPERATIVE TO CAUSE RECTILINEAR SLIDING MOVEMENT OF SAID FIRST CARRIAGE IN AT LEAST ONE DIRECTION ALONG ITS SAID GUIDEWAY, POWER MEANS TO ROTATE BOTH OF SAID TABLES SIMULTANEOUSLY, A PROPORTIONING DEVICE EXTENDING IN CROSSWISE RELATION TO SAID GUIDEWAYS BETWEEN SAID CARRIAGES SWINGABLE ABOUT A HINGE PIVOT STATIONED ON SAID SADDLE AND HAVING MOVEMENT TRANSMITTING CONNECTION WITH BOTH OF SAID CARRIAGES WHEREBY SAID SECOND CARRIAGE IS CAUSED TO SLIDE ALONG ITS SAID GUIDEWAY IN PROPORTION TO SLIDING MOVEMENT OF SAID FIRST CARRIAGE, AND A MILLING CUTTER STATIONED IN RELATION TO SAID SADDLE IN POSITION TO GENERATE IN THE WORKPIECE A CONFIGURATION PROPORTIONED TO THAT OF THE PATTERN.