Cartridge, process cartridge and image forming apparatus
US9116466B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 24, 2013 |
| Grant date | Aug 25, 2015 |
| Priority date | — |
| Expiry date | Sep 24, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0889
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A cartridge includes: a toner chamber; and a toner supplying chamber for supplying a toner through a developer supply opening communicating with the toner chamber. The toner chamber includes: a feeding portion, including a rotatable member and a feeding sheet connected with the rotatable member, for feeding the toner from the toner chamber to the toner supplying chamber; and a toner seal member, including a first end portion and a second end portion, for unsealing the toner supply opening by being wound up by the rotatable member. During start of unsealing of the toner supply opening, the feeding portion is located below a powder surface of the toner with respect to a direction of gravitation, and the feeding sheet is located in a position where the feeding sheet is contactable to an inner wall of the toner chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.