| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a development device capable of reducing the residence of developer at the development part side of a regulation part.SOLUTION: A development device includes: a frame 100 having a partition wall 102 for partitioning a development part 110 in which a brush roller is stored and a toner storage part 120 in which developer is stored and a supply port 104 adjacent to the partition wall 102 for allowing the development part 110 to communicate with the toner storage part 120; a conveyance member disposed in the toner storage part 120, and configured to rotate so as to pass through the partition wall 102 and the supply port 104 in this order while the top end is coming in slide contact with the partition wall 102, and to supply the developer from the supply port 104 to the development part 110; and a sheet member 200 having a plurality of regulation parts 220 arranged with intervals along the rotary axial direction of the conveyance member, which is configured to move between a first position where a part of the supply port 104 is interrupted by the plurality of regulation parts 220 and a second position where the developer staying at the development part 110 side of the plurality of regulation parts 220 is moved when it is arranged at the first position.</p> |
