Waste toner transporting device with screw for transporting waste toner to waste toner discharge port
US7463859B2 · kind B2 · utility
2Cited by
6References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 12, 2006 |
| Grant date | Dec 9, 2008 |
| Priority date | — |
| Expiry date | Sep 12, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/1614
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A transfer device includes a pair of transfer frames, a belt member, a pair of transfer roller levers which are respectively arranged on inner sides of the transfer frames pivotably, a transfer roller which is provided between first ends of the transfer roller levers rotatably, a pair of first urging members, which are respectively provided on second ends of the transfer roller levers to energize the transfer roller toward the belt member, and a pair of transfer pressure controlling members which are respectively provided on the transfer frames movably to control urging power of the first urging members.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.