In FIGS 14 and 15, still another alternative construction is illustrated in {HEAD ~ one form} of the invention as a locking finger or flange 113 lanced from {TAIL ~ cover} 23 adjacent each smaller stepped opening 99 
In FIGS 14 and 15 , still another alternative construction is illustrated in { HEAD ~ one form } of the invention as a locking finger or flange 113 lanced from { TAIL ~ cover } 23 adjacent each smaller stepped opening 99
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 TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH