Patent ID: 9256194
Filing Date: 2016-02-09
CPC Classification: G03G

Claim Text:
1. A developer container detachably mountable to a developer replenishing apparatus, comprising: a cylindrical accommodation member configured to accommodate a developer; a coupling portion, provided at one end portion side of said accommodation member, configured to engage with a main assembly coupling portion provided on the developer replenishing apparatus and to receive a rotational force from the developer replenishing apparatus; an opening configured to permit discharge of the developer from said accommodation member; a feeding portion configured to feed the developer to said opening by rotating said accommodation member by the rotational force received by said coupling portion; a contact portion configured to contact an urging portion provided in the developer replenishing apparatus, said contact portion receiving a push-off force from the developer replenishing apparatus in a direction opposite to an inserting direction in which said developer container is inserted into the developer replenishing apparatus; and an engaging portion provided upstream of said contact portion with respect to the inserting direction, said engaging portion being engageable with an opening and closing portion provided in the developer replenishing apparatus to receive a force from the opening and closing portion in the inserting direction and against the push-off force in a closing operation of the opening and closing portion to engage said coupling portion with the main assembly coupling portion when said developer container is inserted into the developer replenishing apparatus.