| 摘要 |
<p>A unit for use with an image forming apparatus, includes: a developer accommodating portion, constituted by a frame, for accommodating a developer; a sheet member, provided on the frame in contact with a rotatable member, for preventing the developer from leaking out from a gap between the developer accommodating portion and the rotatable member; and a resin member for fixing the sheet member on the frame, wherein the resin member is formed on the frame by injection molding of a resin material and is fixed to the sheet member by welding.</p> |
