JPS6394458U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は現像装置の長手方向に関しての装置壁
の断面内を側方から見た側面図。第２図は現像装
置の長手方向端部側から見た側面図で、各部材の
位置関係を示す。第３図は第１図，第２図の斜視
図である。 １は現像容器、４は攪拌棒、６１はスクレーパ
、６２は空洞崩し部材。 FIG. 1 is a side view of the inside of the cross section of the wall of the developing device in the longitudinal direction, viewed from the side. FIG. 2 is a side view of the developing device seen from the end in the longitudinal direction, showing the positional relationship of each member. FIG. 3 is a perspective view of FIGS. 1 and 2. 1 is a developing container, 4 is a stirring rod, 61 is a scraper, and 62 is a cavity breaking member.

Claims (1)

【実用新案登録請求の範囲】 (1) 現像剤を収納する収納部内の現像剤状態を
検知するための検知部材と、収納部内の現像剤を
攪拌するための攪拌部材と、検知部材の検知面を
スクレープするスクレーパと、を備える現像装置
において、 上記検知面に対向する領域内で、上記スクレー
パが通過した後上記スクレーパが通過する位置よ
りも該検知面から離れた位置を通過する部材を有
していることを特徴とする現像装置。 (2) 上記通過部材は、上記攪拌部材が上記検知
面対向領域の検知面近傍を通過する時点より位相
をもつて通過し、攪拌部材の通過する位置と上記
スクレーパ通過位置との間の位置を通過する実用
新案登録請求の範囲第(1)項記載の現像装置。 (3) 上記通過部材は、上記スクレーパと一体的
に形成された最大径が１mm以下の部材である実用
新案登録請求の範囲第(1)項記載の現像装置。 (4) 上記通過部材は、上記攪拌部材の最大径よ
り小さく、最大径が０．７mm以下の部材である実
用新案登録請求の範囲第(1)項記載の現像装置。 (5) 上記検知部材は、圧電素子を有するピエゾ
センサーである実用新案登録請求の範囲第(1)項
乃至第(4)項いずれかに記載の現像装置。[Scope of Claim for Utility Model Registration] (1) A detection member for detecting the state of the developer in a storage unit that stores the developer, an agitation member for stirring the developer in the storage unit, and a detection surface of the detection member. A developing device comprising: a scraper for scraping the detection surface; the developing device includes a member that passes in a region facing the detection surface at a position farther from the detection surface than a position where the scraper passes after passing the scraper; A developing device characterized by: (2) The passage member passes with a phase from the time when the stirring member passes near the detection surface in the area opposite the detection surface, and the passage member passes the position between the position where the stirring member passes and the position where the scraper passes. A developing device according to claim (1) of the passed utility model registration claim. (3) The developing device according to claim (1), wherein the passage member is a member integrally formed with the scraper and has a maximum diameter of 1 mm or less. (4) The developing device according to claim 1, wherein the passing member is a member having a maximum diameter smaller than the maximum diameter of the stirring member and 0.7 mm or less. (5) The developing device according to any one of claims (1) to (4), wherein the detection member is a piezo sensor having a piezoelectric element.