Developer container and image forming apparatus including the same
US9244384B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 23, 2014 |
| Grant date | Jan 26, 2016 |
| Priority date | — |
| Expiry date | Dec 23, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0893
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A developer container includes a container body, a lid, a developer discharge port, a shaft, and a movable wall. The container body includes an inner surface defining a cylindrical internal space and a wall disposed at one end of the container body. The container body is formed with the developer discharge port. The lid is attached to the other end of the container body. The shaft includes a first engaging portion. The movable wall includes a conveying surface and a carrier bearing. The conveying surface defines a storage space configured to contain the developer. The carrier bearing includes a second engaging portion. The movable wall is movable along the shaft in the first direction while conveying the developer by engagement of the first engaging portion and the second engaging portion. The first engaging portion includes a small pitch part having a relatively small thread pitch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.