DEVELOPER STORAGE CONTAINER AND IMAGE FORMING APPARATUS

• Main Author: NOHARA YUTA
• Format: Patent
• Language: English; Japanese
• Published: 31.10.2022
• Subjects: CINEMATOGRAPHY; ELECTROGRAPHY; ELECTROPHOTOGRAPHY; HOLOGRAPHY; MAGNETOGRAPHY; PHOTOGRAPHY; PHYSICS

To provide a developer storage container that can reduce the amount of developer remaining in the container during replacement of the developer storage container, and an image forming apparatus.SOLUTION: A developer storage container comprises: a storage unit 211 that is rotated in a specific direction centered on a rotation axis 203 to convey a toner stored therein in a conveyance direction D5 along the rotation axis 203; a communication unit 214 that is provided extending in the conveyance direction D5 in a cylindrical shape concentric with the rotation axis 203 from an end on the downstream side in the conveyance direction D5 of the storage unit 211, has an inner peripheral part formed in a tapered shape spreading in a radial direction along the conveyance direction D5, and communicates an opening 216 opening in the conveyance direction D5 and the storage unit 211 with each other; and a gear part 215 that is provided on an outer peripheral part of the communication unit 214 and receives a rotational driving force supplied from the outside.SELECTED DRAWING: Figure 17 【課題】現像剤収容容器の交換時に当該容器内に残存する現像剤を低減可能な現像剤収容容器、及び画像形成装置を提供すること。【解決手段】現像剤収容容器は、回転軸２０３を中心に特定方向へ回転されることにより内部に収容されたトナーを回転軸２０３に沿った搬送方向Ｄ５へ搬送する収容部２１１と、収容部２１１における搬送方向Ｄ５の下流側の端部から搬送方向Ｄ５へ回転軸２０３と同心の筒状に延出して設けられ、内周部が搬送方向Ｄ５に沿って径方向に広がるテーパー状に形成されており、搬送方向Ｄ５へ開口する開口部２１６と収容部２１１とを連通させる連通部２１４と、連通部２１４の外周部に設けられ、外部から供給される回転駆動力を受けるギヤ部２１５と、を備える。【選択図】図１７