One-way locking mount for conveyor transfer pulleys

Claim 1

IN A BELT DRIVE CONVEYOR OF THE TYPE INCLUDING AN ELONGATED CONVEYOR STRUCTURE, A DRIVEN PULLEY AT ONE END OF SAID STRUCTURE, A DRIVING PULLEY MOUNTED ADJACENT SAID STRUCTURE REMOTE FROM SAID ONE END THEREOF AND BODILY MOVABLE IN A PATH GENERALLY PARALLEL TO THE LENGTH OF THE STRUCTURE TO CLUTCH AND DE-CLUTCH THE BELT DRIVE, A TRANSFER PULLEY INTERMEDIATE SAID DRIVEN PULLEY AND SAID DRIVING PULLEY, AND RESPECTIVE BELS CONNECTING SAID DRIVEN PULLEY AND SAID DRIVING PULLEY TO SAID TRANSFER PULLEY, THE IMPROVEMENT WHICH COMPRISES A TRANSFER PULLEY ARRANGEMENT FOR BELT DRIVES OF SUCH MULTIPLE SERIES BELT TYPE, COMPRISING A SLIDE ROD HAVING A STRAIGHT SHANK PORTION AND A LOOPED END TERMINATING IN A SPINDLE DIRECTED TRANSVERSE TO THE DIRECTION OF SAID SHANK PORTION, A DOUBLEGROOVE SHEAVE CARRYING SAID RESPECTIVE BELTS AND JOURNALED ON SAID SPINDLE WITH ITS CENTRAL PLANE DIRECTED ALONG THE AXIS OF SAID SHANK PORTION, A SUPPORT ON SAID CONVEYOR STRUCTURE SLIDABLY RECEIVING SAID SHANK PORTION, AND A ONEWAY LATCH CONNECTION BETWEEN SAID ROD AND SAID SUPPORT ARRANGED TO PERMIT FREE MOVEMENT OF SAID ROD IN THE AXIAL DIRECTION AWAY FROM SAID DRIVEN PULLEY AND TO BLOCK MOVEMENT THEREOF IN THE OPPOSITE DIRECTION.