Toner collector and image forming unit having toner collector bag
US5781841A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Apr 11, 1997 |
| Grant date | Jul 14, 1998 |
| Priority date | — |
| Expiry date | Apr 11, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G21/12
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A toner collector includes a tube having at least one opening in an intermediate portion between both end portions, one of the both end portions being closed, a toner collecting bag covering the tube, and connected to the tube at the both end portions of the tube, and a waste toner transfer member, connected to the other of the both end portions of the tube, for transferring toner to the other of the both end portions from an outer side of the tube. An image forming unit, which is combined with an image carrier on which an image to be developed by toner is formed, and a cleaner for removing unnecessary toner from the image carrier to make an image forming apparatus so that the image on the image carrier is developed by toner, includes a developing unit for developing the image on the image carrier by toner, a toner hopper having a toner containing space, for supplying toner to the developing unit, a tube provided in the toner containing space of the toner hopper, having at least one opening in an intermediate area between the both end portions, one of the both end portions being closed, a toner collecting bag covering the tube and connected to the tube at the both end portions of t…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.