DEVELOPER STORAGE CONTAINER, DEVELOPER SUPPLY DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMATION APPARATUS

• Main Authors: KITA EMI, NIEDA HIROAKI
• Format: Patent
• Language: English; Japanese
• Published: 04.06.2020
• Subjects: CINEMATOGRAPHY; ELECTROGRAPHY; ELECTROPHOTOGRAPHY; HOLOGRAPHY; MAGNETOGRAPHY; PHOTOGRAPHY; PHYSICS

To provide a developer storage container, a developer supply device, a process cartridge, and an image formation apparatus such that a developer discharged from a discharge port to a developing device when the amount of the developer in a developer storage part becomes small can be suppressed from decreasing in amount.SOLUTION: A developer storage container comprises a developer storage part 8 which stores a developer; a discharge port 44a which discharges a developer in the developer storage part 8 to a developing device; a developer conveyance path 44 which serves to convey the developer in the developer storage part to the discharge port; a supply opening 44b for supplying the developer in the developer storage part to a developer conveyance path; a conveyance member 43 which is arranged in the developer conveyance path, and conveys the developer to the discharge port; a partition member 45 which partitions off the developer conveyance path and developer storage part; and a communication port 45d which is provided at the partition member 45, and links the developer conveyance path and developer storage part to each other, the communication port 45d being provided between the discharge port 44a and supply port 44b.SELECTED DRAWING: Figure 3 【課題】現像剤収容部内の現像剤量が少なくなったときに排出口から現像装置へ排出される現像剤量の減少を抑制することができる現像剤収容容器、現像剤補給装置、プロセスカートリッジ及び画像形成装置を提供する。【解決手段】現像剤を収納する現像剤収容部８と、現像剤収容部８内の現像剤を現像装置へ排出する排出口４４ａと、現像剤収容部内の現像剤を排出口へ搬送するための現像剤搬送路４４と、現像剤収容部内の現像剤を現像剤搬送路へ供給する供給口４４ｂと、現像剤搬送路内に配置され、現像剤を排出口へ搬送する搬送部材４３と、現像剤搬送路と現像剤収容部とを仕切る仕切り部材４５と、仕切り部材４５に設けられ、現像剤搬送路と現像剤収容部とを連通する連通口４５ｄとを備えた現像剤収容容器において、連通口４５ｄを、排出口４４ａと供給口４４ｂとの間に設けた。【選択図】図３