Used toner collection device and image forming apparatus
US8185032B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 12, 2008 |
| Grant date | May 22, 2012 |
| Priority date | — |
| Expiry date | Feb 7, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G21/105
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A used toner conveyance device includes a lateral conveyance member for conveying used toner substantially in the horizontal direction, and a vertical conveyance member for upwardly conveying the used toner transferred from the lateral conveyance member. The vertical conveyance member transfers the used toner to either a collection space or a next conveyance path. The vertical conveyance member stops its operation when a prescribed delay time has elapsed after the lateral conveyance member stops conveyance operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.