Developing cartridge and process cartridge for stably rotating developing roller
US9020395B2 · kind B2 · utility
1Cited by
10References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 20, 2014 |
| Grant date | Apr 28, 2015 |
| Priority date | — |
| Expiry date | Mar 20, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2221/163
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A developing cartridge includes: a developing roller main body; a developing roller shaft, which is arranged along a central axis line of the developing roller main body, and which protrudes from both end portions of the developing roller main body along the central axis line, wherein the developing roller shaft includes a small diameter part located at a first end portion in the axis line direction, the small diameter part having an outer diameter smaller than an outer diameter of a second end portion opposite to the first end portion; and a developing gear that is fixed to the first end portion of the developing roller shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.