US 2024/0210855 A1 · DEVELOPER REPLENISHMENT CONTAINER

Abstract

A developer replenishment container configured to be detachably attachable to a developer replenishment device and replenish via the developer replenishment device is disclosed. The developer replenishment container including: a developer replenishment portion with a replenishment port; a developer accommodation portion having accommodate a developer; and an annular seal member for sealing a gap between the developer replenishment portion and the developer accommodation portion. The developer accommodation portion has an annular abutment portion provided at an end portion on a developer replenishment portion side in a direction of an axis which is a rotation center of the developer accommodation portion and provided to be in contact with the seal member in the direction of the axis; and a projecting portion provided near the abutment portion and provided to project toward the developer replenishment portion further than the abutment portion in the direction of the axis.

Claims17

Dependent claims

A developer replenishment container configured to be detachably attachable to a developer replenishment device and replenish a developer through a replenishment port, the developer replenishment container comprising:

a developer replenishment portion configured to have the replenishment port and be restricted not to rotate by being attached to the developer replenishment device;
a developer accommodation portion configured to be provided to be relatively rotatable with respect to the developer replenishment portion and accommodate a developer;
and
an annular seal member configured to be provided at a connection portion between the developer replenishment portion and the developer accommodation portion and seal a gap between the developer replenishment portion and the developer accommodation portion, wherein
the developer accommodation portion has
an annular abutment portion provided at an end portion on a developer replenishment portion side in a direction of an axis which is a rotation center of the developer accommodation portion and provided to be in contact with the seal member in the direction of the axis;
and
a projecting portion provided near the abutment portion and provided to project toward the developer replenishment portion further than the abutment portion in the direction of the axis.

5 more elements

A developer replenishment container configured to be detachably attachable to a developer replenishment device, the developer replenishment container comprising:

a developer accommodation portion configured to have an internal space that accommodates a developer;
a developer discharge portion configured to have a discharge port through which a developer is discharged toward the developer replenishment device and configured not to rotate by being attached to the developer replenishment device;
an elastic member configured to seal a gap between the developer discharge portion and the developer accommodation portion provided to be relatively rotatable with respect to the developer discharge portion;
and
a pressing member that presses the elastic member in a direction of an axis which is a rotation center of the developer accommodation portion and is provided to be relatively rotatable with respect to the elastic member, wherein
the pressing member is removably provided in either the developer accommodation portion or the developer discharge portion.

3 more elements

Dependencies are inferred from the claim text.

Developer replenishment container

Life of this patent

Developer replenishment container

Life of this patent

Abstract

Claims17