| 摘要 |
In a large-format crosscutter (11) is proposed an apparatus for forming a gap in a scale-like or regulated sheet flow. Following onto an overlapping station (13) is provided a gap formation station (19), which has a conveyor (31) which can be accelerated to a higher speed than the feed conveyor (18). For gap formation purposes a gap formation carriage (22) runs along a guide (23) in the conveying direction (15), shortens the gap formation conveyor (31) and lengthens the feed conveyor (18). A suction device (41) on the gap formation carriage is lowered somewhat and by means of a blowing device (42) air is blown into the resulting clearance. Therefore the gap formation carriage precedes the slower feed conveyor (18) and forms the necessary gap, so that in the latter can be operated a switch or points (46) for switching to a different one of the two conveying paths (47, 48).
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