{HEAD ~ each} of said rear floating support mechanisms includes a supporting bracket having side support plates that are secured to said support frame and that downwardly extend in the vertical direction at {TAIL ~ a distance} spaced from each other, and supported brackets having vertical side plates that are secured to said rear side frame of said conveying unit and that rearwardly extend at a distance spaced from each other 
{ HEAD ~ each } of said rear floating support mechanisms includes a supporting bracket having side support plates that are secured to said support frame and that downwardly extend in the vertical direction at { TAIL ~ a distance } spaced from each other , and supported brackets having vertical side plates that are secured to said rear side frame of said conveying unit and that rearwardly extend at a distance spaced from each other
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 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH