{TAIL ~ a drive sprocket} connected to impart rotation to said second sprocket drum at a predetermined rate to move said conveyor chain toward {HEAD ~ said dispensing chute} and 
{ TAIL ~ a drive sprocket } connected to impart rotation to said second sprocket drum at a predetermined rate to move said conveyor chain toward { HEAD ~ said dispensing chute } and
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH