| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent an upper supply conduit (first vertical conduit) disposed on an upper side of a horizontal conduit from being clogged by toner. <P>SOLUTION: The toner conveying device includes: the horizontal conduit 21 configured to convey toner in a horizontal direction; the upper supply conduit 22 extended upward from the horizontal conduit 21 at a first spot of the horizontal conduit 21 and configured to guide the toner freely dropping from an upper part to the horizontal conduit 21; a lower supply conduit 23 extended downward from the horizontal conduit 21 at a second spot of the horizontal conduit 21 different from the first spot and configured to make the toner in the horizontal conduit 21 freely drop; a toner conveying means 40 configured to convey the toner in the horizontal conduit 21 to the lower supply conduit 23; and a toner scraping structure 50 disposed at the first spot and having a wire member 52 including a scraping part 54 rocking to a nearly horizontal direction in the upper supply conduit 22 in conjunction with toner conveying operation of the toner conveying means 40. <P>COPYRIGHT: (C)2011,JPO&INPIT |
