发明名称 Cleaning device, process cartridge and image forming apparatus
摘要 A cleaning device includes a fixing portion provided on a frame, a cleaning member, and an accommodating portion. The cleaning member includes a blade portion contacted to an image bearing member (drum) and a supporting member. The supporting member includes one end portion where the blade portion is provided, another end portion including a portion-to-be-fixed for being fixed at the fixing portion, and a bent portion between the one end portion and the other end portion in a side remote from a surface of the drum toward an outside with respect to a line connecting the portion-to-be-fixed and a contact portion where the blade portion is contacted to the drum. The portion-to-be-fixed is provided downstream of the contact portion with respect to movement direction of the drum. Between the frame and the other end portion, a gap for permitting elastic deformation of the other end portion is provided.
申请公布号 US9052678(B2) 申请公布日期 2015.06.09
申请号 US201214234278 申请日期 2012.08.29
申请人 Canon Kabushiki Kaisha 发明人 Oka Hideto;Uyama Masao;Shindo Kenji;Yoshida Nobuyoshi;Kanai Ryosuke;Inami Satoru
分类号 G03G21/00 主分类号 G03G21/00
代理机构 Fitzpatrick, Cella, Harper & Scinto 代理人 Fitzpatrick, Cella, Harper & Scinto
主权项 1. A cleaning device for use with an image forming apparatus, comprising: a fixing portion provided on a frame; a cleaning member, to be fixed at said fixing portion, for removing a developer from an image bearing member, wherein said cleaning member includes: a blade portion contacted to the image bearing member with respect to a counter direction that is counter to a movement direction of the image bearing member; anda flexible supporting member for supporting said blade portion, said supporting member including one end portion where said blade portion is provided, another end portion including a portion to be fixed for being fixed at said fixing portion, and a bent portion between said one end portion and said other end portion in a side remote from a surface of the image bearing member toward an outside with respect to a line connecting said portion to be fixed and a contact portion where said blade portion is contacted to the image bearing member, wherein said portion to be fixed is provided downstream of said contact portion with respect to the movement direction of the image bearing member; and an accommodating portion, defined by the frame, for accommodating the developer removed from the image bearing member, wherein between the frame and said other end portion, a gap for permitting elastic deformation of said other end portion is provided, and wherein said bent portion is positioned downstream of said one end portion and upstream of said other end portion with respect to the movement direction of the image bearing member.
地址 Tokyo JP