DEVELOPER SUPPLY CONTAINER AND DEVELOPER SUPPLYING APPARATUS

摘要

A developer supply container includes a developer accommodating chamber; a discharge opening; a fluid communication path connecting with the discharge opening; a pump portion having a volume changing with reciprocation and actable at least on the discharge opening; a regulating portion configured to regulate flow of the developer into an entrance region of the fluid communication path; a movable portion configured to move the regulating portion toward and away from the entrance of the fluid communication path; an air flow path provided inside the regulating portion to permit fluid communication between the pump portion and the discharge opening; and an elastic member provided between the regulating portion and the chamber adjacent to the entrance of the fluid communication path.

主权项

1. A developer supply container comprises:
a developer accommodating chamber capable of accommodating a developer; a discharge opening configured to permit discharging of the developer; a fluid communication path connecting with said discharge opening inside said developer accommodating chamber; a pump portion having a volume changing with reciprocation and actable at least on said discharge opening; a regulating portion configured to regulate flow of the developer into an entrance region of said fluid communication path; a movable portion configured to move said regulating portion toward and away from said entrance of said fluid communication path; an air flow path provided inside said regulating portion and configured to permit fluid communication between said pump portion and said discharge opening; and an elastic member provided between said regulating portion and said developer accommodating chamber adjacent to said entrance of said fluid communication path.