Image forming apparatus with developing cartridge having engaging portion
US8369748B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 31, 2009 |
| Grant date | Feb 5, 2013 |
| Priority date | — |
| Expiry date | Nov 9, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0177
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image forming apparatus forming an image on a recording material includes an image bearing member; a rotary rotatably provided in a main assembly of the apparatus; a locking member; and a developing cartridge detachably mounted to the rotary, wherein the developing cartridge includes a developer carrying member for developing a latent image formed on the image bearing member, a demountably mounted covering member for covering a surface of the developer carrying member, and an engaging portion which is movable between a first position in which it is projected beyond an outer surface of the covering member to engage with the main assembly locking member when the rotary is rotated in a forward direction which is a direction of rotation during image formation, and a second position in which it is retracted from the outer surface of the covering member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.