{HEAD ~ a second biasing means} for {TAIL ~ biasing} said guide member in a direction projecting from said head 
for
{ HEAD ~ a second biasing means } for { TAIL ~ biasing } said guide member in a direction projecting from said head
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH