| 摘要 |
A device (21) for selectively feeding sheets (24, 28) contained in two separate trays (22, 26) by means of a pick-up unit (31), wherein the latter is located between the two trays (22,26). The latter-named (22, 26) are fulcrum-mounted on a structure (33) and are driven alternatively by a motor (61) depending on the latter's direction of rotation so as to be brought selectively into sliding engagement with the pick-up unit (31), and accordingly result in one sheet at a time being picked up and fed from one or the other of the two trays (22, 26). The device (21) is particularly suitable for incorporation in an office machine, such as for example a facsimile system (20) or a printer, for selectively feeding sheets of different types.
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