The smaller diameter portions 52, 54 are received in {TAIL ~ elongated slots} 56, 58, respectively in {HEAD ~ second plate} 16, whereas the larger diameter portions 44, 46 are received in elongated slots 60, 62, respectively, in the base member 12 
The smaller diameter portions 52 , 54 are received in { TAIL ~ elongated slots } 56 , 58 , respectively in { HEAD ~ second plate } 16 , whereas the larger diameter portions 44 , 46 are received in elongated slots 60 , 62 , respectively , in the base member 12
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL 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 OTH OTH OTH