{HEAD ~ Pin} 74 is received within a slot 76 formed in {TAIL ~ the arcuate rear wall} 66 of the upper bladeguard 30 
{ HEAD ~ Pin } 74 is received within a slot 76 formed in { TAIL ~ the arcuate rear wall } 66 of the upper bladeguard 30
HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH