To fasten flange 42 to frame 48 during assembly of {HEAD ~ housing} 20, flange 42 is positioned to engage {TAIL ~ frame} 48 
To fasten flange 42 to frame 48 during assembly of { HEAD ~ housing } 20 , flange 42 is positioned to engage { TAIL ~ frame } 48
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH