{TAIL ~ a fitting member} having round holes therein for movably supporting on one of the paired shafts and also having {HEAD ~ elongate holes} therein for supporting the other of the paired shafts so as to cause it to be moved away from said one shaft, 
{ TAIL ~ a fitting member } having round holes therein for movably supporting on one of the paired shafts and also having { HEAD ~ elongate holes } therein for supporting the other of the paired shafts so as to cause it to be moved away from said one shaft ,
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH