Patent ID: 8831462

Claim:
A developing cartridge comprising: a housing configured to accommodate developer therein, the housing including: a first sidewall and a second sidewall opposed to the first sidewall; a developing roller received by the first sidewall and the second sidewall, and configured to rotate about a first axis line; a coupling disposed at the first sidewall and configured to rotate about a second axis line parallel with the first axis line, the coupling configured to transfer rotational force to the developing roller; and a moving member received by the first sidewall and the second sidewall and extending along the second axis line, the moving member configured to move between the first side wall and the second side wall along the second axis line, wherein the moving member includes: a first part being disposed at one end of the moving member along the second axis line, and a second part being disposed at an other end of the moving member along the second axis line, the second part configured to be electrically connected to the developing roller, and the second part configured to protrude from the second sidewall based on moving of the moving member.