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(11) | EP 1 170 230 A3 |
| (12) | EUROPEAN PATENT APPLICATION |
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| (54) | A punching apparatus |
| (57) A punching apparatus comprises a feed section (4) for supplying sheets to a punch
section (6) and a reception section (8) for receiving punched sheets from the punch
section. In one embodiment, the apparatus includes a picker device for separating
a pile of sheets from a stock of sheets supplied by the feed section so that the pile
of sheets can be transported through the punch section. The picker device comprises
a wedge which is reciprocated horizontally a lift arm which reciprocates with the
wedge to move an end thereof into the stack of sheets and a cam mechanism for causing
the end of the lift arm to move first generally horizontally and then upwards. In
another embodiment, at least two of the punch, feed and reception sections have at
least one sheet aligner, the position of which is adjustable within the section and
a common manual drive is provided for adjusting the positions of the sheet aligners. |