发明名称 PROCESS CARTRIDGE
摘要 A process cartridge includes a photosensitive drum; a light guide member; a shutter portion movable between a closed position where the shutter portion covers the surface of the drum and an open position where the surface of the drum is exposed; and a connecting portion, provided at each of end portions of the shutter portion with respect to an axial direction of the drum, for connecting the shutter portion so as to be movable relative to a main body portion of the process cartridge. The light guide member includes an incident portion, at one end portion thereof with respect to the axial direction of the drum, for irradiating the surface of the drum with light incident on the incident portion. The incident portion is positioned outside the connecting portion with respect to the axial direction of said photosensitive drum.
申请公布号 US2016070227(A1) 申请公布日期 2016.03.10
申请号 US201514848694 申请日期 2015.09.09
申请人 CANON KABUSHIKI KAISHA 发明人 Wada Koji
分类号 G03G21/00 主分类号 G03G21/00
代理机构 代理人
主权项 1. A process cartridge detachably mountable to a main assembly of an image forming apparatus, comprising: a photosensitive drum; a light guide member for irradiating a surface of said photosensitive drum with light at a position downstream of a transfer position where a developer image is transferred from said photosensitive drum onto a developer image receiving material and upstream of a charging position where said photosensitive drum is electrically charged with respect to a rotational direction of said photosensitive drum; a shutter portion movable between a closed position where said shutter portion covers the surface of said photosensitive drum and an open position where the surface of said photosensitive drum is exposed; and a connecting portion, provided at each of end portions of said shutter portion with respect to an axial direction of said photosensitive drum, for connecting said shutter portion movable relative to a main body portion of said process cartridge, wherein said light guide member includes an incident portion, at one end portion thereof with respect to the axial direction of said photosensitive drum, for irradiating the surface of said photosensitive drum with light incident on said incident portion, and wherein said incident portion is positioned outside said connecting portion with respect to the axial direction of said photosensitive drum.
地址 Tokyo JP