Further, {HEAD ~ collar} 27 may extend outwardly by {TAIL ~ a distance} to completely cover and surround cup springs 5, thereby protecting the cup springs 
extend outwardly by
Further , { HEAD ~ collar } 27 may extend outwardly by { TAIL ~ a distance } to completely cover and surround cup springs 5 , thereby protecting the cup springs
OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH