Two-belt drive for rodding machine

Claim 1

IN A RODDING MACHINE FOR HANDLING SECTIONAL ROD COMPRISING INDIVIDUAL SECTIONS OF ROD COUPLED END-TO-END BY COUPLERS AND HAVING A DRIVE HEAD FOR DRIVING THE SECTIONAL ROD AXIALLY, SAID DRIVE HEAD INCLUDING FIRST AND SECOND ENDLESS BELTS MOUNTED ON SAID MACHINE, EACH BELT HAVING ADJACENT COEXTENSIVE WORK PORTIONS CLOSELY PARALLELING THE COUPLED ROD IN SAID DRIVE HEAD, EACH BELT HAVING A PLURALITY OF SUCCESSIVE PUSHER DOGS MOUNTED THEREON AT SPACED INTERVALS, THE SPACING BETWEEN SAID SUCCESSIVE DOGS ON THE SAME BELT BEING SUBSTANTIALLY EQUAL TO THE SPACING BETWEEN COUPLERS OF SAID SECTIONAL ROD, EACH DOG WHEN IN WORK POSITION HAVING A YOKE PORTION ADAPTED TO STRADDLE THE ROD, THE DOGS OF ONE BELT IN WORK POSITION CONTACTING ONE END OF THE COUPLERS AND THE DOGS OF THE OTHER BELT IN WORK POSITION CONTACTING THE OPPOSITE END OF THE SAME COUPLERS; POWER MEANS FOR DRIVING SAID FIRST BELT IN ONE DIRECTION AND FOR DRIVING SAID SECOND BELT IN THE OPPOSITE DIRECTION; CONTROL MEANS FOR SAID POWER MEANS FOR DRIVING ONE OR THE OTHER OF SAID FIRST AND SECOND BELTS BUT NOT BOTH CONCURRENTLY, SAID POWER DRIVEN BELT DRIVING THE OTHER BELT THROUGH THE WORK DOGS OF BOTH BELTS AND THE ROD COUPLERS.