Developer supply container, developer supplying apparatus and image forming apparatus
US9354549B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 9, 2015 |
| Grant date | May 31, 2016 |
| Priority date | — |
| Expiry date | Nov 9, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0877
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A developer supply container, the developer supply container includes a developer accommodating chamber; a rotatable feeding portion; a developer discharging chamber including a discharge opening; a driving force receiving portion for receiving a rotational force for rotating the feeding portion; an pump capable of changing an inside volume of the accommodating chamber in a longitudinal direction of the container to apply a pressure to the discharge opening; a driving force converter for converting the rotational force into a feeding driving force for feeding the developer by an operation of the pump in a longitudinal direction of the container; and wherein an expansion and contraction stroke of the pump provided by the converter in a initial predetermined number of rotations in a initial stage is different from that in a subsequent stage after the initial stage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.