| 摘要 |
PCT No. PCT/EP91/02344 Sec. 371 Date Jun. 7, 1993 Sec. 102(e) Date Jun. 7, 1993 PCT Filed Dec. 6, 1991 PCT Pub. No. WO92/10418 PCT Pub. Date Jun. 25, 1992.A device for feeding sheet material to a sheet transport system leading downstream in a machine, for example a printer, comprises a plurality of sheet material magazine stations, each of which is provided with a feed channel leading into the sheet transport system and with at least one friction roller set which can be selectively driven or stopped. Provision is made for the friction roller sets (28, 50) of the various magazine stations (2, 4) to be provided in each case with a mechanical clutch (72, 74) enabling them to be selectively coupled to a common drive motor, and for the clutches (72, 74) each to be provided with a clutch actuator ( 88, 96 ) cooperating with a control cam member (38 ) common to all the actuators (88, 96 ) and connected to a servomotor (108). In this way a plurality of friction roller sets can be operated with a single servomotor.
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