Cartridge with a protecting member and a sealing member for sealing a developer supply opening
US8521060B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 18, 2011 |
| Grant date | Aug 27, 2013 |
| Priority date | — |
| Expiry date | May 13, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2221/1846
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A developing cartridge detachably mountable to image forming apparatus includes a developer carrying member for developing an electrostatic latent image formed on the image bearing member; a protecting member, demountable in the axial direction of said developer carrying member from said frame; an accommodating portion accommodating the developer to be supplied to said developer carrying member; a sealing member sealing an opening for permitting the developer to be supplied from said accommodating portion to said developer carrying member; and a grip portion, provided at one longitudinal end of said sealing member, for being gripped when said sealing member is removed from said opening, said grip portion being movable between a first position on a movement locus of said protecting member when said protecting member is dismounted from said frame, and a second position outside the movement locus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.