To provide a paper feeder of a sheet-fed printing press capable of consistently feeding sheets to a printing unit.
A paper feeder S of a sheet-fed printing press in which a sheet 2a on the highest stage is sucked from a sheet bundle 2 and conveyed, and the sheet 2a is fed by bringing a plurality of feeder rollers 21 juxtaposed in the width direction into contact with the sheet 2a, includes a pressure source 45, a plurality of connection pipes 46 branched from the pressure source 45, a plurality of cylinder devices 27 which are connected to each branched connection pipe 46 to bring each feeder roller 21 into contact with the sheet 2a at fixed pressure by a feed body to be fed from the pressure source 45, and an attachment/detachment mechanism unit capable of attaching/detaching the feeder roller 21 to/from the sheet 2a.
| JP2000109237A | 2000-04-18 |
| US20090315252A1 | 2009-12-24 |
Yasuo Ishikawa
Kazuyuki Oku