Toner conveying device, and image forming apparatus including toner conveying device
US11294305B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 27, 2021 |
| Grant date | Apr 5, 2022 |
| Priority date | — |
| Expiry date | Jul 27, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G21/186
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A toner conveying device that conveys toner. The toner conveying device includes a housing, a toner guide portion, and at least two vibration motors. The housing has, in its inside, a toner conveyance path. The toner guide portion is provided in the housing and includes an opening through which toner flows in or out, and a guide passage communicating between the opening and the toner conveyance path. The at least two vibration motors apply vibrations to the toner guide portion. The vibration motors are started at different timings, and driven and controlled by drive signals in which a first pulse and a second pulse of different pulse widths alternately continue.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.