| 摘要 |
A conveyor apparatus includes a receiving clearance adjustment mechanism (151-153, 153a, 154-158, 159a, 160a) for adjusting the vertical clearance between portions of downstream-side upper belts (139), the portion being located furthest upstream with respect to the conveyance direction of signatures, and upstream-side lower belts (129). The conveyor apparatus also includes a separation start position adjustment mechanism (114, 161-171, 173) for adjusting a position at which upstream-side upper belts (119) start to separate away from a signature. The conveyer apparatus can convey sheets, while properly transferring them between upstream-side belts (119, 129) to downstream-side belts (139, 149), without generation of unintended positional shift, even when changes arise in the thickness and/or length of the sheets. <IMAGE>
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