{HEAD ~ the return spring} 12 assembled to {TAIL ~ the brace} 17 is located in the direction of the rotary plate 5 
assembled to
{ HEAD ~ the return spring } 12 assembled to { TAIL ~ the brace } 17 is located in the direction of the rotary plate 5
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH