JPH0326159U

JPH0326159U -

Info

Publication number: JPH0326159U
Application number: JP8734689U
Authority: JP
Priority date: 1989-07-25
Filing date: 1989-07-25
Publication date: 1991-03-18

Description

[Brief explanation of drawings]

第１図は本考案の一実施例におけるトナー補給
機構を備える現像装置の全体を表わした縦断面説
明図、第２図は第１図中のＡ−Ａ線に沿う断面図
、第３図はカートリツジホルダーの構成を表わし
た外観斜視図、第４図はカートリツジホルダーに
対するトナー送り板の取り付け状態を表わした部
分拡大断面図、第５図はトナーカートリツジの構
成を表わした外観斜視図、第６図および第７図は
トナー補給機構によるトナー送り出し作用を表わ
した断面説明図、第８図および第９図は本考案の
他の実施例におけるトナー補給機構のトナー送り
板の取り付け状態を表わした外観斜視説明図およ
び断面説明図、第１０図はさらに本考案の他の実
施例におけるトナー補給機構のトナー送り板の取
り付け状態を表わした断面説明図である。１……感光体ドラム、２……現像装置、２０１
……現像タンク、２０２……現像スリーブ、３…
…トナー補給機構、３０１……カートリツジケー
シング、３０２……カートリツジホルダー、３０
３……トナーカートリツジ、３１４，３２２……
トナー排出口、３１５，４１５，５１５……トナ
ー送り板。 FIG. 1 is an explanatory longitudinal cross-sectional view showing the entire developing device equipped with a toner replenishment mechanism according to an embodiment of the present invention, FIG. 2 is a cross-sectional view taken along line A-A in FIG. 1, and FIG. 4 is a partially enlarged cross-sectional view showing how the toner feed plate is attached to the cartridge holder; FIG. 5 is an external perspective view showing the structure of the toner cartridge; 6 and 7 are cross-sectional explanatory views showing the toner feeding action by the toner replenishing mechanism, and FIGS. 8 and 9 show the attachment state of the toner feeding plate of the toner replenishing mechanism in other embodiments of the present invention. FIG. 10 is an explanatory cross-sectional view showing a state in which a toner feeding plate of a toner replenishing mechanism is attached in another embodiment of the present invention. 1...Photosensitive drum, 2...Developing device, 201
...Developing tank, 202...Developing sleeve, 3...
... Toner supply mechanism, 301 ... Cartridge casing, 302 ... Cartridge holder, 30
3... Toner cartridge, 314, 322...
Toner discharge port, 315, 415, 515...toner feed plate.

Claims

[Scope of Claim for Utility Model Registration] 1. A toner cartridge configured to house new toner inside and discharge the toner inside by rotation; In the toner replenishment mechanism of the developing device, the toner cartridge casing is configured to temporarily store the toner discharged from the toner and then replenish the toner to the main body of the developing device. 1. A toner replenishment mechanism for a developing device, characterized in that a toner transport mechanism is installed that sends the stored toner to the developing device main body side by the rotational force of a toner cartridge according to the amount of accumulated toner. 2. In the toner replenishment mechanism of a developing device according to claim 1, the toner transport mechanism moves the toner cartridge so as to send out and move the toner discharged from the toner cartridge and stored in the cartridge casing. The toner feeding plate is provided with a toner feeding plate extending radially from the cartridge side, and the toner feeding plate is located at a position in the cartridge casing where the toner is not fed out when more than a predetermined amount of toner is stored in the cartridge casing. A toner replenishing mechanism for a developing device, characterized in that the toner replenishing mechanism is installed so that it can be displaced. 3. A toner cartridge configured to house new toner inside and discharge the toner therein from a toner discharge port by rotation; In a toner replenishment mechanism of a developing device that includes a cartridge casing that temporarily stores toner and then replenishes the toner to the developing device main body, the toner transport mechanism includes a toner transport mechanism that stores toner and stores the toner in the cartridge casing. a toner feeding plate extending radially from the toner cartridge side so as to send and move the toner stored in the toner cartridge; A toner replenishing mechanism of a developing device, characterized in that the toner replenishing mechanism of a developing device is mounted so as to be displaced to a position where the toner in the cartridge casing is not transferred and covers a toner discharge port of the toner cartridge. .