Tire building machines with expansible tire building drum

Claim 1

IN A TIRE BUILDING MACHINE, THE COMBINATION OF A FRAME, A ROTATABLE TUBULAR SHAFT EXTENDING LATERALLY FROM SAID FRAME IN A CANTILEVER FASHION, AN EXPANSIBLE TIRE BUILDING DRUM, HUB MEANS ON SAID SHAFT LATERALLY OF SAID FRAME ON WHICH HUB MEANS SAID TIRE BUILDING DRUM IS SUPPORTED, A SLOTTED SLEEVE EXTENDING FROM SAID HUB MEANS AND SAID TIRE BUILDING DRUM ON THE SIDE OF SAID DRUM REMOTE FROM SAID FRAME AND COAXIALLY WITH SAID SHAFT, A RECIPROCABLE ROD EXTENDING FROM SAID FRAME COAXIALLY THROUGH SAID SHAFT AND SAID SLEEVE, SHIFTING MEANS ON SAID FRAME AND CONNECTED TO SAID ROD FOR RECIPROCATING SAID ROD LONGITUDINALLY, AN EXPANSIBLE TIRE PLY FABRIC TURNOVER DRUM SURROUNDING SAID SLEEVE, MOUNTING MEANS ON SAID ROD EXTENDING THROUGH AT LEAST ONE SLOT IN SAID SLOTTED SLEEVE AND CONNECTING SAID TURNOVER DRUM AND SAID ROD FOR CONCOMITANT AXIAL RECIPROCATION, INTERNAL EXPANSION MEANS FOR SAID TURNOVER DRUM LOCATED WITHIN SAID TURNOVER DRUM ADJACENT ITS END REMOTE FROM SAID FRAME AND SAID TIRE BUILDING DRUM, CAM FOLLOWER MEANS WITHIN SAID TURNOVER DRUM COOPERATING WITH SAID EXPANSION MEANS FOR OPERATING SAID EXPANSION MEANS, AND CAM MEANS ON SAID SLEEVE COOPERATING WITH SAID CAM FOLLOWER MEANS, WHEREBY WHEN SAID TURNOVER DRUM IS MOVED BY SAID SHIFTING MEANS AND SAID ROD TOWARDS SAID TIRE BUILDING DRUM, SAID TURNOVER DRUM IS EXPANDED AND MOVED TELESCOPICALLY OVER SAID TIRE BUILDING DRUM.