Sealing members for a developing device in an image forming apparatus
US5321473A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 29, 1993 |
| Grant date | Jun 14, 1994 |
| Priority date | — |
| Expiry date | Mar 29, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0817
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A developing device incorporated in an image forming apparatus and having a developing roller facing an image carrier via an opening formed through a casing, and a pair of seal members attached to the casing and adjoining opposite side edges of the opening for preventing a developer from being scattered around. The seal members each has a side seal portion for sealing the associated side edge of the opening, and an under seal portion extending from the lower end of the side seal portion. The under seal portion extends from the side seal portion toward the center of the developing roller, providing the entire seal member with a form of a letter L.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.