said conveying unit is provided with a front side frame and a rear side frame arranged, spaced at {TAIL ~ a distance}, in the back and forth direction, a support member that couples said frames together, and {HEAD ~ a conveying belt mechanism} arranged between said frames, and is positioned under said support frame spaced at a distance 
said conveying unit is provided with a front side frame and a rear side frame arranged , spaced at { TAIL ~ a distance } , in the back and forth direction , a support member that couples said frames together , and { HEAD ~ a conveying belt mechanism } arranged between said frames , and is positioned under said support frame spaced at a distance
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 HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH