| 摘要 |
<p>PURPOSE:To surely carry out the air feed of paper by installing a vacuum fan and an air knife fan independently and supplying the exhaust of the vacuum fan into an air knife and varying the air injection quantity of the air knife. CONSTITUTION:An air knife 50 is installed at the front edge part of a both- surface tray 36, and connected with a wind quantity selecting part 51. The air is supplied into the wind quantity selecting part 51 from a vacuum fan 47 and an air knife fan 52, and the air supplied from the air knife 50 floats up a transcription paper from the both-surface tray 36, and the transcription paper is vacuum-adsorbed, separated from the lower paper. An opened port and a valve plate are installed in the connection part between the air discharge side of the air knife fan 52 and the air knife 50, and the wind quantity is adjusted by converging and cutting off the exhaust of the vacuum fan 47 and the discharged air from the air knife fan 52.</p> |
