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