| 摘要 |
A restricting blade includes: a metallic plate subjected to punching; a contact surface perpendicular to a thickness direction of the metallic plate, the surface being positioned upstream in a punch direction; an end surface of the metallic plate, formed by the punching, the surface being positioned at the metallic plate upstream in a rotational direction of the developing roller; and a coating layer formed in such a manner as to cover a part of a surface positioned opposite to the contact surface in the thickness direction of the metallic plate and the end surface with a resin or an elastomer.
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