Process cartridge including drum cartridge having first holder, developing cartridge having second holder, and plate for connecting first holder and second holder to each other
US12282290B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 11, 2023 |
| Grant date | Apr 22, 2025 |
| Priority date | — |
| Expiry date | Dec 11, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G21/1885
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A process cartridge includes: a drum cartridge; a developing cartridge; and a plate. The drum cartridge includes: a drum frame; a photosensitive drum; a first holder; and a first memory having a first electrical contact surface that is movably supported by the first holder. The developing cartridge is attachable to the drum frame. The developing cartridge includes: a casing; a developing roller; a second holder; and a second memory having a second electrical contact surface that is movably supported by the second holder. The plate connects the first holder and the second holder to each other in a state where the developing cartridge is attached to the drum frame. The second holder moves together with the plate in accordance with movement of the first holder in a state where the plate connects the first holder and the second holder to each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.