Driving force transmission mechanism, image forming apparatus equipped with such a mechanism, and process unit of such an apparatus
US6829455B2 · kind B2 · utility
144Cited by
27References
39Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 17, 2001 |
| Grant date | Dec 7, 2004 |
| Priority date | — |
| Expiry date | Oct 17, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2221/183
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A drive transmission apparatus includes a first coupling portion having a polygonal shape; a second coupling portion having a hole portion which has a cross-sectional configuration larger than the first coupling portion, the hole portion being engageable with the first coupling portion; and a center shaft provided on the first coupling or the second coupling, the center shaft penetrating the other one of the first and second coupling.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.