Image forming apparatus and process unit
US4470689A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 25, 1982 |
| Grant date | Sep 11, 1984 |
| Priority date | — |
| Expiry date | May 25, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2221/183
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
This specification discloses a process kit removably mountable on the main body of an image formation apparatus and integrally having an image bearing member and a part or the whole of process device acting on the image bearing member, and an image formation apparatus using such kit. The image formation apparatus having an image bearing member, process device acting on the image bearing member, a process kit removably mountable on the main body of the apparatus and integrally having the image bearing member and the process device, and a cover movable to a first position for covering the surface of the image bearing member provided in the process kit and a second position retracted away from the first position. This specification also discloses a process kit removably mountable on the main body of the image formation apparatus and having an image bearing member, a cover movable to a first position for covering the surface of the image bearing member and a second position retracted away from the first position, and process device acting on the image bearing member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.