Toner housing container and image forming apparatus
US9141031B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 14, 2014 |
| Grant date | Sep 22, 2015 |
| Priority date | — |
| Expiry date | May 14, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0886
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A toner housing container includes: container body; conveying portion; pipe receiving port; and uplifting portion. Container body includes; protruding portion protruding from container body interior side of container opening portion to one end of container body; and shutter member moving between closing and opening positions to close and open container opening portion. Uplifting portion includes: uplifting wall surface extending from container body internal wall surface toward protruding portion; and curving portion curving to conform to protruding portion. Shutter member moves from closing to opening position upon push by conveying pipe. When toner housing container is mounted on toner conveying device, protruding portion is present between curving portion and toner receiving port of conveying pipe inserted and extends along shutter member moving region. Toner has bulk density of ≦0.399 g/cm3 when toner housing container is shaken up-and-down 10 times at 25° C., 50% RH, and put such that container opening portion faces downward.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.