Anti-friction ring for a developer roller in a liquid electrophotographic printer
US10698342B2 · kind B2 · utility
0Cited by
6References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2017 |
| Grant date | Jun 30, 2020 |
| Priority date | — |
| Expiry date | Jan 31, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0877
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
In one example, a sealing system for a developer roller in a liquid electrophotographic printer includes a pair of arcuate seals each with an annular sealing surface to seal one end of the developer roller; a pair of washers each having a low friction surface to contact one of the sealing surfaces; and a pair of retainers each to hold one of the washers flat against the end of the roller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.