CARTRIDGE AND IMAGE FORMATION DEVICE
To improve assembling performance of a coupling having a coupling member coupled with a transmission member in a tiltable fashion and an image formation device.SOLUTION: A cartridge includes: a coupling member subjected to turning force; a transmission member for receiving the turning force from the...
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Format: | Patent |
Sprache: | eng ; jpn |
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Zusammenfassung: | To improve assembling performance of a coupling having a coupling member coupled with a transmission member in a tiltable fashion and an image formation device.SOLUTION: A cartridge includes: a coupling member subjected to turning force; a transmission member for receiving the turning force from the coupling member; and a body of rotation for rotating a developer while carrying it. The transmission member includes: a storage section for storing the coupling member; a salient that is integrally formed with the inner wall of the storage section to protrude from the inner wall toward the inside of the storage section; and a gear section. The coupling member includes: a free end section in which a rotation power receiving section is provided that comes into contact with a driving member provided with a device body to receive rotation power; a coupling section that is coupled with the transmission member so that at least part thereof is accommodated in the storage section; and a concave section that is provided with the coupling section and into which the salient enters. The tilt angle of the rotation axis of the coupling member to the rotation axis of the transmission member is variable.SELECTED DRAWING: Figure 1
【課題】 被伝達部材に対して傾斜可能に結合したカップリング部材を有するカップリングと画像形成装置の組立性を向上する。【解決手段】 カートリッジは、回転力を受けるカップリング部材と、カップリング部材から回転力を受ける被伝達部材と、現像剤を担持しつつ回転する回転体とを備える。被伝達部材は、カップリング部材を収容する収容部と、収容部の内壁と一体的に形成されて前記内壁から前記収容部の内部に向けて突出する凸部と、ギア部と、を有する。カップリング部材は、装置本体に設けられた駆動部材と接触して回転力を受ける回転力受け部が設けられた自由端部と、収容部に少なくともその一部が収納されるように被伝達部材に結合された結合部と、結合部に設けられて、凸部が進入する凹部とを有する。被伝達部材の回転軸線に対するカップリング部材の回転軸線の傾斜角度が可変である。【選択図】 図1 |
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