Rollers for a conveyor belt for transporting a document sheet has collar like pieces directly attached to their axes such that {HEAD ~ a fixed distance} can be maintained between the conveyer belt and {TAIL ~ the document table} 
maintained between
Rollers for a conveyor belt for transporting a document sheet has collar like pieces directly attached to their axes such that { HEAD ~ a fixed distance } can be maintained between the conveyer belt and { TAIL ~ the document table }
OTH OTH 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 OTH REL REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL