JPS61179573U

JPS61179573U -

Info

Publication number: JPS61179573U
Application number: JP6365885U
Authority: JP
Priority date: 1985-04-27
Filing date: 1985-04-27
Publication date: 1986-11-08

Description

[Brief explanation of the drawing]

第１図は、この考案の実施例である複写機にお
ける現像槽の密封材の断面平面図、第２図は、複
写機の現像工程における浮遊トナーの飛散状況を
示す側面図、第３図は、複写機の現像槽における
上方への浮遊トナーの飛散を防止するための構造
を示す断面側面図、第４図は、複写機の現像工程
における浮遊トナーの飛散状況を示す平面図、第
５図は、複写機の現像槽における側方への浮遊ト
ナーの飛散を防止するための構造を示す断面平面
図、第６図は、従来の複写機における現像槽の密
封材の断面平面図である。１―現像槽、４―感光体、５―感光体ドラム（
感光体の支持体）、７―筐体、９―密封材、１３
―ポリテトラフルオルエチレンのスポンジ状弾性
体（フツ素樹脂の弾性体）。 Fig. 1 is a cross-sectional plan view of a sealing material for a developer tank in a copying machine which is an embodiment of this invention, Fig. 2 is a side view showing the state of floating toner scattering in the developing process of the copying machine, and Fig. 3 is a , FIG. 4 is a cross-sectional side view showing a structure for preventing floating toner from scattering upward in the developer tank of a copying machine, FIG. 6 is a sectional plan view showing a structure for preventing floating toner from scattering to the side in a developing tank of a copying machine, and FIG. 6 is a sectional plan view of a sealing material for a developing tank in a conventional copying machine. 1-Developer tank, 4-Photoconductor, 5-Photoconductor drum (
photoconductor support), 7-housing, 9-sealing material, 13
- Sponge-like elastic material of polytetrafluoroethylene (elastic material of fluororesin).

Claims

[Claims for Utility Model Registration] (1) The sliding contact portion of the sealing material interposed between the housing of the developer tank and the support of the photoreceptor is formed of an elastic material made of fluororesin. A sealing material for developer tanks in copying machines. (2) A sealing material for a developer tank in a copying machine according to claim 1, wherein the fluororesin elastic body is a sponge-like elastic body of polytetrafluoroethylene. (3) A sealing material for a developer tank in a copying machine according to claim 1, wherein the fluororesin elastic body is a nonwoven fabric of polytetrafluoroethylene fibers.