| 摘要 |
<p>A sheet offset device, wherein first to third drums (31 to 33) are fitted to each other rotatably relative to each other, elongated first to third guide parts (41, 42, and 43) are formed in the drums (31 to 33), respectively, the second guide part (42) and third guide part (43) are inclined relative to the first guide part (41) and inclined opposedly to each other, an engaging pin (34) fixed to a drive shaft (25) for a delivery roller is inserted into the guide parts (41 to 43), whereby, when both drums (32) and (33) are set free to rotate with the first drum (31) rotated together with the delivery roller, the engaging pin (34) comes into the state of stoppage not moving in lateral direction, and the engaging pin (34) is moved leftward when only the rotation of the drum (32) is limited and moved rightward when only the rotation of the drum (33) is limited.</p> |
