{HEAD ~ Apparatus} for transporting and processing documents and maintaining {TAIL ~ a preset nominal inter document gap}, gnom therebetween, this apparatus including a 
for maintaining
{ HEAD ~ Apparatus } for transporting and processing documents and maintaining { TAIL ~ a preset nominal inter document gap } , gnom therebetween , this apparatus including a
HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH