The combination 20, wherein one of said rollers is positioned in correspondence to {HEAD ~ a hook} of {TAIL ~ said main conveyor} to permit disengagement of said rod means from a carrier prior to a return of said carriage 
The combination 20 , wherein one of said rollers is positioned in correspondence to { HEAD ~ a hook } of { TAIL ~ said main conveyor } to permit disengagement of said rod means from a carrier prior to a return of said carriage
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH