Glass forming apparatus

Claim 1

A MOLD CARRIAGE FOR BRINGING A GLASS MOLD TO AND FROM A GLASS FORMING POSITION COMPRISING, A VERTICAL FRAME, A VERTICALLY DISPOSED FLUID MOTOR CYLINDER MOUNTED ON SAID FRAME AND HAVING AXIAL OPENINGS THROUGH THE ENDS THEREOF, A PISTON ROD EXTENDING AXIALLY THROUGH SAID CYLINDER AND THROUGH ITS AXIAL OPENINGS, A PISTON FIXED TO SAID PISTON ROD INTERMEDIATE ITS ENDS AND POSITIONED WITHIN SAID CYLINDER, SAID PISTON ROD COMPRISING AN ELONGATED, TUBULAR MEMBER DEFINING A VERTICAL PASSAGE EXTENDING THROUGHOUT ITS LENGTH, A RADIALLY EXTENDING MOLD MOUNTING MEANS CONNECTED TO THE LOWER END OF SAID PISTON ROD, SAID MOUNTING MEANS BEING FORMED WITH A HOLLOW PASSAGE THERETHROUGH FOR CONDUCTING COOLING FLUID TO A MOLD ON SAID MOUNTING MEANS, CONDUIT MEANS CONNECTED TO THE UPPER END OF SAID MOTOR-CYLINDER, SAID CONDUIT COMMUNICATING WITH SAID PISTON ROD PASSAGE FOR SUPPLYING COOLING FLUID TO THE LATTER, A STATIONALY CAM TRACK CARRIED BY SAID VERTICAL FRAME, SAID CAM TRACK HAVING A LOWER VERTICAL SECTION AND AN UPPER ARCUATE SECTION, A CAM FOLLOWER POSITIONED IN CONTACT WITH SAID CAM TRACK, SAID CAM FOLLOWER BEING CONNECTED TO THE LOWER END OF SAID PISTON ROD AND EXTENDING RADIALLY OUTWARD FROM SAID PISTON ROD IN A DIRECTION 180* DISPLACED FROM THE RADIAL DIRECTIN OF SAID MOLD MOUNTING MEANS, A SOURCE OF FLUID UNDER PRESSURE, MEANS CONNECTED TO SAID CYLINDER FOR ALTERNATELY SUPPLYING SAID FLUID UNDER PRESSURE TO THE OPPOSITE ENDS OF SAID CYLINDER FOR AFFECTING RECIPROCATION OF SAID PISTON WITHIN SAID CYLINDER, WHEREBY THE MOLD ON SAID MOUNTING MEANS IS MOVED BETWEEN AN ELEVATED REMOTE POSITION, AND FORMING POSITION AND COOLANT IS SUPPLIED TO THE MOLD THROUGH THE PISTON ROD AND THE MOLD MOUNTING MEANS.