Method and apparatus for removing and replacing a wiper blade assembly and a corona grid in a toner cartridge
US6079084A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 16, 1998 |
| Grant date | Jun 27, 2000 |
| Priority date | — |
| Expiry date | Oct 16, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T24/44923
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A method and apparatus for the removal and replacement of a wiper blade assembly in a toner cartridge wherein a first end of the wiper blade includes a projection or "tab" that is captured in a slot formed in the sidewall of the toner cartridge housing. The slot in the sidewall has a forward edge, a rear edge, an upper region, and a lower region. The method includes forming a first cut through the cartridge sidewall from a forward edge of the sidewall to the upper region of the slot. A second cut is made through the sidewall from the forward edge to the lower region of the slot. A waste section of the sidewall defined by the first and second cuts, the sidewall forward edge, and the slot is removed and discarded. The first end of the wiper blade assembly is moved forward, away from slot rear edge, and is pulled upwardly and out of the waste toner hopper region of the cartridge. A replacement wiper blade assembly is operatively positioned in place of the original wiper blade assembly with a tab portion positioned adjacent the edge of the sidewall formerly defining the slot rear edge. The replacement wiper blade assembly is secured to the housing using a special retaining clip. This c…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.