{HEAD ~ The vertical support means} includes a plurality of support columns positioned between the top side of the guide member and a fixed plate secured to {TAIL ~ the housing} 
{ HEAD ~ The vertical support means } includes a plurality of support columns positioned between the top side of the guide member and a fixed plate secured to { TAIL ~ the housing }
HEAD HEAD 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 TAIL TAIL TAIL TAIL TAIL TAIL