Patent ID: 9529299
Filing Date: 2016-12-27
CPC Classification: G03G

Claim Text:
1. A developer supply container comprising: a developer accommodating chamber capable of accommodating a developer; a discharge opening configured to permit discharging of the developer; a fluid communication path including an inlet for the developer inside said developer accomodating chamber and said discharge opening; a pump portion having a volume changing with reciprocation and actable at least on said discharge opening; a regulating portion having a hollow portion movable between a first position in which said regulating portion is opposed to said inlet to limit flow of the developer into said inlet and a second position in which said regulating portion is retracted from said first position to permit the developer flow into said inlet; a movable portion configured to move said regulating portion between the first position and the second position; an air flow path provided inside said regulating portion and configured to permit fluid communication between said pump portion and said discharge opening through said hollow portion; and an elastic member provided around said inlet and contacting said regulating portion when said regulating portion is in the first position.