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