Developing apparatus and process cartridge having same
December 10, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesElectrophotographic developing apparatus having developer and refreshing rollers for liquid developers Mechanism for mounting and dismounting a screen-like photosensitive medium Safety means for process kit Image bearing member usable with image forming apparatus Image bearing member and driving mechanism therefor Developing unit Play-free bearing mechanism for photo-conductive drums in printer or copier devices Toner seal for developing unit in process cartridge Apparatus for applying an electrical bias to a shell of a magnetic brush Patent #: 5196889 InventorsAssigneeApplicationNo. 988905 filed on 12/10/1992US Classes:399/90, Electrical connection384/215, With resilient mounting member399/285Having applied biasExaminersPrimary: Smith, MatthewAttorney, Agent or FirmForeign Patent References
International ClassG03G 015/06Foreign Application Priority Data1991-12-20 JPAbstractA developing apparatus for developing an electrostatic latent image includes a fixed electrode for receiving a developing bias voltage; a rotatable and electrically conductive sleeve for carrying developer to a developing zone to supply developer to the electrostatic latent image; a flange fixed to an end of the sleeve, the flange including an electrode supporting portion; and an elastic electrode fixedly supported on the flange, the elastic electrode including a first portion engaged with the electrode supporting portion, a second portion press-contacted to the sleeve, and a third portion elastically and slidably press-contacted to the fixed electrode. | |
