FIELD: components of facsimile duplicating device. SUBSTANCE: roll block has cylindrical roll for transmitting original of document whose surface is reading surface. Roll is formed as extruded tube. Roll block has shafts inserted and fixed in respective ends of tube. Toothed wheel is made integral with one of shafts and adapted for driving roll. EFFECT: precise focusing on original document and feeding of document originals. 5 cl, 5 dwg
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