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