{HEAD ~ A tubular support shaft} 50 is fixedly attached to the first side wall 14 of {TAIL ~ the housing} 12 and extends substantially between first 14 and second 16 side walls  
{ HEAD ~ A tubular support shaft } 50 is fixedly attached to the first side wall 14 of { TAIL ~ the housing } 12 and extends substantially between first 14 and second 16 side walls
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH