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