{HEAD ~ At least one leg} 13 of {TAIL ~ said housing} has an arcuate flange 14 directed toward the other leg 15 
{ HEAD ~ At least one leg } 13 of { TAIL ~ said housing } has an arcuate flange 14 directed toward the other leg 15
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH