Only two of the members 48 are provided, and the member 48 is more or less a cantilever member extending from {HEAD ~ the exterior periphery} of {TAIL ~ the plates} 47 so that no abutment surfaces are provided for interfering with feeding of the workpieces W in direction A. Alternatively, the bottom roller 46 could be supported by the side walls 31, 32, or by the bottom plates 31, 32 associated with the respective side walls, and the members 48, 49 may be eliminated 
of
Only two of the members 48 are provided , and the member 48 is more or less a cantilever member extending from { HEAD ~ the exterior periphery } of { TAIL ~ the plates } 47 so that no abutment surfaces are provided for interfering with feeding of the workpieces W in direction A. Alternatively , the bottom roller 46 could be supported by the side walls 31 , 32 , or by the bottom plates 31 , 32 associated with the respective side walls , and the members 48 , 49 may be eliminated
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