Developer replenishing device and developer container for use therewith
US6751431B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2002 |
| Grant date | Jun 15, 2004 |
| Priority date | — |
| Expiry date | Jun 19, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S222/01
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A developer replenishing device for replenishing a developing device with a developer, and a developer container for use therewith. The developer container, or toner bottle, includes a shoulder portion adjoining a first end of a hollow body. The body is formed with a spiral guide for guiding a developer stored in the developer container. The shoulder portion forms a wall and includes an engaging portion engageable with driver that causes the body to rotate. The engaging portion includes a lug protruding from the shoulder portion which allows a characteristic of toner to be identified. The engaging portion has an outside surface of a guide portion that guides a developer stored in the developer container. Two engaging portions may be angularly spaced from each other by 180 degrees. The developer container also includes a discharge mouth, which adjoins the first end of the body, which is smaller in diameter than the shoulder portion, and which includes an annular collar protruding outwardly, and a positioning portion positioned on a holder for the developer container. The positioning portion includes a lug protruding from an outside surface of the body. The holder for the developer c…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.