| 摘要 |
<p>PURPOSE:To smoothly invert and discharge sheet mateial, by relocatably providing a pinch roller, press contacted to a driving roller, between two positions and preventing the sheet material from stopping due to adaptation to guide members even when the sheet material is shaped curving upward. CONSTITUTION:Sheet material A passes through a sensitive member 1 and fixed rollers 4, 4, if reaches the first paper end detector 17, a light receiver 17b is turned on to excite a solenoid 15, then a pinch roller 6 is moved to the second position. This causes a nip part 7 between a driving roller 5 and the pinch roller 6 to be in an upward directional state with a sloped angle of theta, and the sheet material A, even through curved upward, never stops by being adapted to guide plates 8 and is moved along the guide plates 8. Then if an end of the sheet material reaches the second paper end detector 19, a light receiver 19b is turned off to deenergize the solenoid 15, and the pinch roller 6 is reset to the first position. In this way, the sheet material A is transferred and intruded into a nip part 10, inverted toward a tray 11 then discharged.</p> |
