| 摘要 |
A clincher mechanism 7 is provided with a clincher member 10 having an inductive guiding face 11 for bending and guiding staple legs; a sheet-shape piece 12 arranged between the inductive guiding face and sheets; and operating pieces 18 for advancing/retracting the sheet-shape piece 12 onto the inductive guiding face of the clincher member 10. The staple legs penetrated the sheets are guided along the lower surface of the sheet-shape piece 12, and the sheet-shape piece 12 is operated by the action of operating pieces 18 so that it is extracted from between the staple legs. A paper pan 26 for guiding the sheets is arranged swingably above the clincher mechanism 7. The operating pieces 18 are operated through the paper pan 26 which is swung by the action of the staple driving portion 2.
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