In the third embodiment, the positioning member 50 is configured from {TAIL ~ a plurality} of {HEAD ~ guide pins} 
In the third embodiment , the positioning member 50 is configured from { TAIL ~ a plurality } of { HEAD ~ guide pins }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD