Patent ID: 6704539
Filing Date: 2004-03-09
Classification: G03G

Abstract:
An image-forming apparatus comprising a cleaning means provided with at least a cleaning blade, and an image-bearing member to be cleaned by the cleaning member, whereinsaid cleaning blade comprises an edge portion which is brought into contact with said image-bearing member, and a support portion which brings the edge portion into contact with said image-bearing member; a value at a peak temperature t1 of a loss tangent of the edge portion, tan &dgr;1, is smaller than a value at a peak temperature t2 of a loss tangent of the support portion, tan &dgr;2; and a curve which represents the temperature dependence of the loss tangent of the edge portion and a curve which represents the temperature dependence of the loss tangent of the support portion intersect at t1Â° C. or above to t1+40Â° C. or below.