{HEAD ~ a retracted shafts position} placing {TAIL ~ the guide device} into the floating state in which position the opposing shafts are retracted to another maximum and leave the connecting interface free, allowing lateral displacement 
placing
{ HEAD ~ a retracted shafts position } placing { TAIL ~ the guide device } into the floating state in which position the opposing shafts are retracted to another maximum and leave the connecting interface free , allowing lateral displacement
HEAD HEAD 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