Image forming apparatus having a transfer unit frame
US9335726B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 3, 2015 |
| Grant date | May 10, 2016 |
| Priority date | — |
| Expiry date | Jun 3, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G21/1652
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image forming apparatus includes a main body of the apparatus, a plurality of cartridges each including a photosensitive member, and a transfer unit detachably mounted on the main body of the apparatus. The transfer unit includes an endless belt opposing the photosensitive member, a plurality of stretching members configured for stretching the belt, and a frame configured to axially support a plurality of rollers. The frame is provided with a plurality of positioning portions configured to allow abutment of the plurality of cartridges and determine the positions of the plurality of cartridges in the main body of the apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.