Patent attributes
A developer container includes a developer containing portion capable of containing a developer, a discharge port through which the developer contained in the developer containing portion is discharged, and a storing portion configured to store the developer to be discharged through the discharge port. The storing portion is in fluid communication with an inside of the developer containing portion and the discharge port. In addition, a displacement portion is provided in the storing portion and arranged to be displaceable, and includes a displaceable shaft portion configured to extend along the storing portion and a coil spring which biases the displaceable shaft portion. A rotatable member is provided above the storing portion and has first and second portions arranged in a rotational direction of the rotatable member, the first portion being contactable to a part of the shaft portion and the second portion not being contactable to the shaft portion.