Patent · US Active

Developing cartridge and process cartridge for stably rotating developing roller

US8682216B2 · kind B2 · utility

37Cited by

10References

8Claims

0Family size

Assignee

BROTHER KOGYO KABUSHIKI KAISHA · JP

Inventors

Hiroshi Handa · Yatomi, JP
Hiroki Mori · Nagoya, JP

Key dates

Filing date	Mar 21, 2011
Grant date	Mar 25, 2014
Priority date	—
Expiry date	Jan 20, 2032

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.