| 摘要 |
The invention relates to a device for the cyclic rearrangement of a pile of rectangular or square sheets, especially a pile (182) of photographic prints, having a first (12) and a second (14) frame part which may be moved relative to one another and parallel to the main plane of the pile, and having means that, on movement of the frame parts backwards and forwards, remove an individual sheet from one end of the pile and add it to the other end of the pile again, these means comprising (a) a separating means (20,68,71) for separating the individual sheet from the pile, (b) a feeding means (22) for feeding sheets to the separating means, (c) retaining means (26,28,32,80) for holding the individual sheet in the first frame part and the remainder of the pile in the other frame part, and (d) a guide means (79) for guiding the separated individual sheet for the purpose of returning it to the other end of the remainder of the pile, the guide means having a stop member (52) which can be brought up against the transverse edge, remote from the separating means (68,69), of the individual picture, and having guiding means (79) which guide the end, facing the separating means, of the individual picture, the guiding means acting at right-angles to the direction of movement of the frame parts, in front of a return passage.
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