Process cartridge
US8805242B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 19, 2011 |
| Grant date | Aug 12, 2014 |
| Priority date | — |
| Expiry date | Aug 27, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G21/186
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a process cartridge, comprising a photosensitive drum driving component in conjunction with an image forming apparatus driving head, wherein said image forming apparatus driving head includes a twisted recess and said photosensitive drum driving component includes a drum gear provided at an end of a photosensitive drum and connected to the photosensitive drum, a drum shaft outwardly projected in an axis direction from an end of the drum gear for rotatably supporting said photosensitive drum during operation and a boss outwardly projected from an end surface of the drum shaft. A first teeth and a second teeth in a radial direction of the boss are provided on a side wall of said boss, wherein said first teeth is engaged with a twisted-section of the twisted recess in said image forming apparatus and said second teeth is engaged with an end surface edge of other twisted-sections of the twisted recess in said image forming apparatus. Thereby, the process cartridge according to this invention ensures an effectively and continuously transmitted driving force and contains a simple prepared photosensitive drum driving head, which will be less damaged even d…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.