| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a paper feeding device and an image forming device using the same for stably feeding a paper sheet without being influenced by the shape or the position of a paper sheet penetration guide, as for the paper feeding device which uses the paper sheet penetration guide before the nip entry of a feeding roller and a separation roller. <P>SOLUTION: The paper feeding device and the image forming device include a crescent paper feed roller 16, a pair of auxiliary drive rollers 19 arranged on both sides of the paper feeding roller, a one-way clutch 191 arranged between a drive shaft 161 of the paper feeding roller and each of the auxiliary driver rollers 19, and the separation roller 17 coming into pressure contact with the paper feeding roller 16 or the auxiliary drive rollers 19. The one-way clutch 191 connects the auxiliary drive rollers 19 to the drive shaft 161 to integrally rotate the auxiliary drive rollers 19 in the rotational direction of the drive shaft by a paper feeding operation, and disconnects the auxiliary drive rollers 19 from the drive shaft 161 to rotate in a driven manner the auxiliary drive rollers 19 in accordance with the paper sheet conveyance in a paper sheet conveyance direction. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
