A lever swingably mounts to one fork of each set for fulcrumming engagement with the periphery of one of the wheels to raise the wheel forks to transport position when {HEAD ~ the lever} is pushed downwardly against {TAIL ~ the wheel} 
is pushed downwardly against
A lever swingably mounts to one fork of each set for fulcrumming engagement with the periphery of one of the wheels to raise the wheel forks to transport position when { HEAD ~ the lever } is pushed downwardly against { TAIL ~ the wheel }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL