Developer replenishing cartridge and developer replenishing method
US9152088B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 24, 2014 |
| Grant date | Oct 6, 2015 |
| Priority date | — |
| Expiry date | Apr 24, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0867
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Provided is a developer replenishing cartridge excellent in accuracy with which an image forming apparatus is replenished with a developer irrespective of a use environment even when the developer is in a consolidated state. The developer replenishing cartridge includes: a developer replenishing container and a developer, being removably mountable to a developer replenishing apparatus; in which: the developer replenishing container includes a pump portion that operates so that a state where the internal pressure of a developer containing portion is lower than the atmospheric pressure and a state where the pressure is higher than the atmospheric pressure alternately repeatedly switch with each other; and the developer contains toner having a uniaxial collapse stress at a maximum consolidation stress of 10.0 kPa, of 2.5 kPa or more and 3.5 kPa or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.