| 摘要 |
In an auto sheet feeder, a flexible element is disposed monolithically at one end of a pick shaft, the flexible element capable of moving close to or away from the center of a ratchet. A fluctuation section of the flexible element comprises a pawl for engaging with an inner tooth of the ratchet, allowing the ratchet for one-way rotating the pick shaft. A clutch pushes a pin of the flexible element and disengages the flexible element with the ratchet.
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