Developer material supply arrangement
US4650097A · kind A · utility
19Cited by
5References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 21, 1984 |
| Grant date | Mar 17, 1987 |
| Priority date | — |
| Expiry date | Dec 21, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S222/01
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A developer material supply arrangement which includes a developer hopper mounting portion for detachably mounting a developer hopper on the mounting provided portion at an opening at the upper portion of a developing tank of an electrophotographic copying apparatus, a hopper-shaped container for a developer material, a supply port provided at a lower portion of the hopper-shaped container and formed into a configuration which can be detachably mounted with respect to the developer hopper mounting portion, and a valve member provided within the supply port for selective opening or closing of the supply port.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.