Replaceable developer roller
US7221889B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 10, 2005 |
| Grant date | May 22, 2007 |
| Priority date | — |
| Expiry date | Jun 10, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0863
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A replaceable developer roller apparatus is disclosed for a printing device. The apparatus includes a cylindrical developer roller having two opposed ends, and a drive assembly selectively and operatively engageable with one of the opposed ends of the developer roller. The drive assembly includes a shaft having two opposed regions; a gear rotationally fixed to one of the opposed regions of the shaft; and a drive member rotationally fixed to the other of the opposed regions of the shaft, and selectively, axially moveable between an engagement position and a disengagement position. A spindle assembly is engageable with the other of the opposed ends of the developer roller. The spindle assembly includes a spindle assembly shaft and an alignment member rotationally fixed to the spindle assembly shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.