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