DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME

PROBLEM TO BE SOLVED: To provide a developing device that can prevent, with a simple configuration, a toner dropped from a toner receiving member from accumulating on the tip of a regulation blade, and an image forming apparatus including the same.SOLUTION: A developing device comprises: a developin...

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Bibliographic Details
Main Author NAKAUE TAKAHISA
Format Patent
LanguageEnglish
Japanese
Published 13.04.2017
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Summary:PROBLEM TO BE SOLVED: To provide a developing device that can prevent, with a simple configuration, a toner dropped from a toner receiving member from accumulating on the tip of a regulation blade, and an image forming apparatus including the same.SOLUTION: A developing device comprises: a developing roller; toner supply roller; regulation blade; casing; toner reception support member; toner receiving member; and vibration generation means. The toner receiving member is partitioned into a toner receiving surface that is bent in a mountain shape in cross-sectional view by a bending part parallel to the longitudinal direction, faces the developing roller, and inclined downward toward the toner supply roller, and a toner dropping surface facing the toner supply roller. The toner receiving surface has, at the edge on the toner supply roller side, a projection part projecting from the toner dropping surface toward the toner supply roller, and the tip of the projection part is arranged to overlap with an upper part of the toner supply roller.SELECTED DRAWING: Figure 10 【課題】トナー受け部材から落下したトナーが規制ブレード先端へ堆積することを簡易な構成で防止できる現像装置及びそれを備えた画像形成装置を提供する。【解決手段】現像装置は、現像ローラーと、トナー供給ローラーと、規制ブレードと、ケーシングと、トナー受け支持部材と、トナー受け部材と、振動発生手段と、を備える。トナー受け部材は、長手方向に平行な屈曲部によって断面視山形状に屈曲し、現像ローラーに対向するとともにトナー供給ローラーに向かって下向きに傾斜するトナー受け面と、トナー供給ローラーに対向するトナー落下面とに区画されている。トナー受け面のトナー供給ローラー側の端縁にはトナー落下面よりもトナー供給ローラー側に突出する突出部が形成されており、突出部の先端がトナー供給ローラーの上方に重なるように配置される。【選択図】図10
Bibliography:Application Number: JP20150197339