JPH03105856U

JPH03105856U -

Info

Publication number: JPH03105856U
Application number: JP1372790U
Authority: JP
Priority date: 1990-02-16
Filing date: 1990-02-16
Publication date: 1991-11-01

Description

[Brief explanation of drawings]

第１図および第２図はこの考案による現像器の
シール部材の概略構成図、第３図および第４図は
そのシール部材の他の実施例で、第３図はその側
面図、第４図は一部の拡大図、第５図はそのシー
ル部材を備える現像器の断面図、第６図はその現
像器の−線の矢示図、第７図はその現像器を
備えるレーザプリンタにおける内部機構全体の概
略構成図である。第８図は従来の現像器の一部の
概略構成図、第９図はその現像ローラの平面図、
第１０図は従来の現像器の問題点を説明する説明
図である。１６……現像器、２１……ケーシング、２６…
…現像ローラ、３４……シール部材、３５……ト
ナー、４０……潤滑材。 1 and 2 are schematic configuration diagrams of a sealing member of a developing device according to this invention, FIGS. 3 and 4 are other embodiments of the sealing member, FIG. 3 is a side view thereof, and FIG. 5 is a cross-sectional view of a developing device equipped with the sealing member, FIG. 6 is a view of the developing device indicated by the - line, and FIG. 7 is an internal view of a laser printer equipped with the developing device. FIG. 2 is a schematic configuration diagram of the entire mechanism. FIG. 8 is a schematic diagram of a part of a conventional developing device, and FIG. 9 is a plan view of its developing roller.
FIG. 10 is an explanatory diagram illustrating the problems of the conventional developing device. 16...Developer, 21...Casing, 26...
...Developing roller, 34...Seal member, 35...Toner, 40...Lubricant.

Claims

[Scope of utility model registration request]

In a developing unit of an electrophotographic apparatus in which a sealing member is attached to a casing and the sealing member is pressed against a non-image area at an axial end of a developing roller to prevent toner leakage from the axial end, the sealing member is A developing unit for electrophotographic equipment that has a lubricant attached to it.