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Class Information
Number: 399/103
Name: Electrophotography > Internal machine environment > Particle or contaminant control > Seal > Developer seal
Description: Subject matter wherein an arrangement is provided for preventing toner from escaping the developing unit.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7609994 |
Image developing apparatus and image forming apparatus using the apparatus |
Oct. 27, 2009 |
| 7603053 |
Image forming apparatus |
Oct. 13, 2009 |
| 7593666 |
Developing device with overlapping sealing members with reduced thicknesses |
Sep. 22, 2009 |
| 7561820 |
Seals for an image forming apparatus |
Jul. 14, 2009 |
| 7536131 |
Developing device, image forming device and method of assembling developing device |
May. 19, 2009 |
| 7526225 |
Developing apparatus and assembly method of developing apparatus |
Apr. 28, 2009 |
| 7526224 |
Developing device, process cartridge, and image forming apparatus |
Apr. 28, 2009 |
| 7512358 |
Developer supply device and developer |
Mar. 31, 2009 |
| 7499662 |
Developing apparatus, process cartridge and image forming apparatus having toner leakage prevention member |
Mar. 3, 2009 |
| 7483647 |
Cartridge having a molded resin complex |
Jan. 27, 2009 |
| 7483646 |
Developer container, process cartridge, image forming apparatus and manufacturing method for developer container |
Jan. 27, 2009 |
| 7466937 |
Developer cartridge, liquid-type image forming apparatus having the same and method for disposing of the same |
Dec. 16, 2008 |
| 7463843 |
Developing device |
Dec. 9, 2008 |
| 7457560 |
Developing device |
Nov. 25, 2008 |
| 7447463 |
Developing device and image forming apparatus |
Nov. 4, 2008 |
| 7437101 |
Toner container and toner filling method |
Oct. 14, 2008 |
| 7430383 |
Image forming device having a member for preventing developer leakage |
Sep. 30, 2008 |
| 7428393 |
Developing device, process cartridge, device unit, and image forming apparatus having a sealing member |
Sep. 23, 2008 |
| 7400843 |
Color image forming apparatus |
Jul. 15, 2008 |
| 7386248 |
Image developing apparatus having a toner scatter preventing unit and image forming apparatus |
Jun. 10, 2008 |
| 7352981 |
Developing apparatus, process cartridge and image forming apparatus having toner leakage prevention member |
Apr. 1, 2008 |
| 7349646 |
Toner cartridge used with an electrophotographic image forming apparatus |
Mar. 25, 2008 |
| 7346291 |
Toner sealing elements for developing device and image forming apparatus having the same |
Mar. 18, 2008 |
| 7340195 |
Image forming apparatus having a scattered toner sucking port |
Mar. 4, 2008 |
| 7336913 |
Developing apparatus, process cartridge and image forming apparatus for preventing leakage |
Feb. 26, 2008 |
| 7333746 |
Developing device and image forming apparatus provided with same |
Feb. 19, 2008 |
| 7324775 |
Image forming apparatus having developing device with sealing members and method of manufacture |
Jan. 29, 2008 |
| 7292802 |
Developing apparatus and assembly method of developing apparatus |
Nov. 6, 2007 |
| 7277658 |
Sealing member for image forming device |
Oct. 2, 2007 |
| 7254357 |
Method and apparatus for image forming capable of effectively regulating a toner layer, developing mechanism for the apparatus, and a process cartridge provided in the apparatus |
Aug. 7, 2007 |
| 7251435 |
Developing device and printing device |
Jul. 31, 2007 |
| 7239824 |
Cartridge and image forming apparatus |
Jul. 3, 2007 |
| 7231164 |
Developing unit, developing cartridge, and image forming apparatus |
Jun. 12, 2007 |
| 7215902 |
Developing cartridge, process cartridge, image forming device, and sliding sealing element |
May. 8, 2007 |
| 7212763 |
Image forming apparatus and seal portion for use in the same |
May. 1, 2007 |
| 7206534 |
Process cartridge, developing cartridge and gripping part therefor |
Apr. 17, 2007 |
| 7206535 |
Developing device and image forming apparatus |
Apr. 17, 2007 |
| 7197259 |
Developing apparatus and image forming apparatus that incorporates the developing apparatus |
Mar. 27, 2007 |
| 7197258 |
Developing cartridge and an electrophotographic image forming apparatus having the same |
Mar. 27, 2007 |
| 7190920 |
Developing cartridge, air communication unit of developing cartridge and toner cartridge |
Mar. 13, 2007 |
| 7184683 |
Powder container, powder contained product, powder container manufacturing method, powder contained product reusing method, toner container and toner contained product |
Feb. 27, 2007 |
| 7177565 |
Sealing structure for a toner cartridge |
Feb. 13, 2007 |
| 7162180 |
Elastic roller |
Jan. 9, 2007 |
| 7155137 |
Process cartridge, developing cartridge and developing roller |
Dec. 26, 2006 |
| 7110697 |
Developer layer thickness regulating device for a developing unit |
Sep. 19, 2006 |
| 7088938 |
Seal member, developing apparatus, process cartridge and image forming apparatus |
Aug. 8, 2006 |
| 7076185 |
Developing device, image forming apparatus, computer system, and seal-assisting member |
Jul. 11, 2006 |
| 7068961 |
Developing device, image forming apparatus, image forming system, sealing member, and method for manufacturing sealing member |
Jun. 27, 2006 |
| 7062195 |
Toner seal member, and process cartridge |
Jun. 13, 2006 |
| 7027753 |
Image forming apparatus for preventing image deterioration caused by fallen conductive brush and scatter of developer |
Apr. 11, 2006 |
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