Patent ID: 9042777
Filing Date: 2015-05-26
Classification: G03G

Abstract:
1. A developing cartridge comprising: a housing including a first wall and a second wall separated from the first wall, the housing configured to accommodate developer therein; a first rotary member provided outside of the first wall and including a first engagement portion, the first rotary member being rotatable in a first rotational direction about a first axis extending between the first wall and the second wall; and a second rotary member provided outside of the first wall and including a second engagement portion, the second rotary member being rotatable about a second axis different from the first axis, the second rotary member configured to rotate from a non-driven position where the second rotary member does not rotate with rotation of the first rotary member, to a driven position where the second rotary member is rotatable by the first rotary member, wherein, in a case where the second rotary member is in the driven position, the first rotary member is rotatable from a non-driving state in which the first rotary member is rotatably disengaged from the second rotary member with the first engagement portion disposed within a rotational circumference of the second engagement portion, to a driving state in which the first rotary member rotatably engages the second rotary member with the first engagement portion in contact with the second engagement portion.