The slider 47 also has slide wings {HEAD ~ 47 b} in {TAIL ~ both sides} thereof and shaft slots 47 c 
in
The slider 47 also has slide wings { HEAD ~ 47 b } in { TAIL ~ both sides } thereof and shaft slots 47 c
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH