Developing apparatus

专利名称：Developing apparatus发明人：SATO MINORU申请号：US51283300申请日：20000225公开号：US6181898B1公开日：20010130

摘要：The present invention relates to a developing apparatus which has a developerbearing member for bearing developer to develop an electrostatic image formed on animage bearing member with the developer, a developing frame for supporting thedeveloper bearing member, a developer containing frame containing the developer andhaving a supply opening for supplying the developer to the developing frame and joinedto the developing frame, an unsealable sheet member covering the supply opening, andan elastic seal member provided at a drawing opening portion formed between thedeveloping frame and the developer containing frame and through which the sheetmember is drawn. The present invention is featured that the seal member can be urgedagainst the sheet member when the sheet member is drawn and sealing the drawingopening portion after the sheet member was drawn, and a deformed amount of the sealmember is varied along a drawing direction of the sheet member.

申请人：CANON KABUSHIKI KAISHA

更多信息请下载全文后查看