DEVELOPING DEVICE AND METHOD FOR MANUFACTURING DEVELOPING DEVICE

PROBLEM TO BE SOLVED: To provide a developing device in which the length of a blade can be shortened.SOLUTION: The developing device includes a rotatable developer carrier, a blade 41 close to the developer carrier, and a support member 42 which is welded to the blade 41 and supports the blade 41. T...

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Bibliographische Detailangaben
Hauptverfasser: YOSHIZUMI HIKARI, YOKOI JUNICHI
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a developing device in which the length of a blade can be shortened.SOLUTION: The developing device includes a rotatable developer carrier, a blade 41 close to the developer carrier, and a support member 42 which is welded to the blade 41 and supports the blade 41. The blade 41 includes a first opening edge 414 which is arranged at one end in the rotation axis direction of the developer carrier and forms a first opening A1 and a second opening edge 415 which is arranged at the other end opposite to one end in the rotation axis direction of the developer carrier and forms a second opening A2. The support member 42 includes a first projection 421 which enters into the first opening A1 and a second projection 422 which enters into the second opening A2. The first opening edge 414 is connected to a first end edge 412 in the rotation axis direction of the blade 41. 【課題】ブレードの長さを短くすることができる現像装置を提供することを目的とする。【解決手段】現像装置は、回転可能な現像剤担持体と、現像剤担持体に近接するブレード41と、ブレード41と溶接され、ブレード41を支持する支持部材42を備える。ブレード41は、現像剤担持体の回転軸線方向における一端部に配置され、第1開口A1を形成する第1開口縁414と、現像剤担持体の回転軸線方向において一端部とは反対の他端部に配置され、第2開口A2を形成する第2開口縁415を有する。支持部材42は、第1開口A1内に入り込む第1突起421と、第2開口A2内に入り込む第2突起422を有する。第1開口縁414は、ブレード41の回転軸線方向における第1端縁412とつながっている。【選択図】図3