picker means for picking {HEAD ~ successive documents} from {TAIL ~ said input hopper} and advancing them via said advance means along a given feed path at an adjustable time period after a previous document had been so picked, to thus establish a nominal inter document gap distance value gn  
from
picker means for picking { HEAD ~ successive documents } from { TAIL ~ said input hopper } and advancing them via said advance means along a given feed path at an adjustable time period after a previous document had been so picked , to thus establish a nominal inter document gap distance value gn
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH