Patent ID: 11953843
Assignee: RICOH COMPANY, LTD.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A powder container which is attachable and detachable to and from an image forming apparatus, comprising:
a powder chamber having a powder outlet configured to discharge powder; and
a shutter system to open and close the powder outlet, the shutter system including:
a first shutter positioned at a closing position configured to close the powder outlet in a condition in which the powder container is detached from the image forming apparatus, and at an opening position configured to open the powder outlet in a condition in which the powder container is attached to the image forming apparatus; and
a second shutter positioned at a covering position configured to cover an edge portion of the first shutter in a condition in which the powder container is detached from the image forming apparatus, and at an exposing position configured to expose the edge portion of the first shutter in a condition in which the powder container is attached to the image forming apparatus.