Driving device and image forming apparatus
US8113079B2 · kind B2 · utility
1Cited by
3References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 17, 2008 |
| Grant date | Feb 14, 2012 |
| Priority date | — |
| Expiry date | Mar 10, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/19991
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A driving device includes a shaft member and a driven gear rotatably disposed to the shaft member that is formed to be fixed to a surface plate member inside the driving device. The shaft member is provided with a flow passage for air penetrating along a shaft line thereof. A cavity is formed in a bearing member of the driven gear to be spaced from the shaft member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.