The elongated openings 102 are sized so that the wider end will slip over the head of the shoulder screw 104 while the narrow end will be slightly larger than the diameter of the shoulder but smaller than {HEAD ~ the diameter} of {TAIL ~ the head} 
of
The elongated openings 102 are sized so that the wider end will slip over the head of the shoulder screw 104 while the narrow end will be slightly larger than the diameter of the shoulder but smaller than { HEAD ~ the diameter } of { TAIL ~ the head }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL