{HEAD ~ Latch} 340 is {TAIL ~ any type} of latch which is well known in the art 
is
{ HEAD ~ Latch } 340 is { TAIL ~ any type } of latch which is well known in the art
HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH