Pantograph apparatus

Claim 1

An improved pantograph apparatus comprising: a rectangular frame having a pair of horizontally disposed cylindrical rods mounted thereon, a table mounted by linear bearings upon said rods for longitudinal movement relative to the frame, a pair of horizontally disposed secondary cylindrical rods mounted upon said table, a secondary table mounted by linear bearings upon said secondary rods for transverse movement relative to the frame and providing travel in directions throughout a horizontal plane, at one end of the frame ring gear, pinion and crank means to allow rotation simultaneously of master and work pieces, support means rotatably secured to the ring gear means and to the frame for securely supporting said master and work pieces, an upright table having its lower portion secured to an edge of the secondary table, the upper portion of the upright table supporting a pulley mechanism over which is threaded a rope, a pair of vertically disposed cylindrical rods mounted upon said upright table, an elevating table mounted by linear bearings upon said vertically disposed rods for elevational movement relative to the frame and providing travel in respect thereto, said elevating table having extendingly disposed shaft stubs in alignment with each other, a hub rotatably mounted on each of said shaft stubs, a tilting plate secured to the hubs for rotating with the hubs about the axis of sais shaft stubs, and means disposed upon the tilting plate for mounting a stylus to follow the master piece and for mounting a router to cut the work piece.