Patent ID: 7437097
Filing Date: 2008-10-14
Classification: G03G

Abstract:
1. An electrophotographic photosensitive member comprising: a cylindrical support; a photosensitive layer provided on the outer-periphery side of the cylindrical support; and an insert member inserted into the cylindrical support on its inner-periphery side, wherein: the insert member has a first surface on which the insert is to be fitted in the cylindrical support and a second surface which is provided at least at one endmost portion of the insert member; the first surface and the second surface have a difference in level between them; the distance D the line of intersection of a cross section S the insert member is fastened to the cylindrical support on its inner periphery side, with an adhesive provided between the second surface and the inner periphery of the cylindrical support; the difference D wherein a maximum length of the first surface of the insert member in the direction of the rotating shaft of the cylindrical support is from 80% to 98% with respect to the whole length of the insert member in the direction of the rotating shaft of the cylindrical support; and wherein the second surface extends over 95% or more of its whole periphery.