Process cartridge and electrophotographic image forming apparatus
US5920753A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 13, 1997 |
| Grant date | Jul 6, 1999 |
| Priority date | — |
| Expiry date | Nov 13, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2221/1657
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus including an electrophotographic photosensitive member; a developing member for developing a latent image formed on the photosensitive member; a toner accommodating portion for accommodating toner to be used for development of the latent image by the developing member; a toner stirring member for stirring the toner accommodated in the toner accommodating portion; a driving force transmission member for transmitting rotational driving force to the toner stirring member to rotate the stirring member; wherein the driving force transmission member is penetrated through an opening provided in the toner accommodating portion; a locking member, provided inside of the toner accommodating portion to prevent the driving force transmission member from dropping out of the toner accommodating portion through the opening; a driving member for driving the driving force transmission member, wherein the driving member is provided outside of the toner accommodating portion; wherein the driving force is transmitted from the driving member to the driving force transmission member such that dri…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.