Patent ID: 6668153
Filing Date: 2003-12-23
Classification: G03G

Abstract:
A cleaning blade comprising a blade top end portion for frictionally contacting with a surface of an image carrying body to remove residual toners on the surface when the surface passes through a cleaning area,wherein the cleaning blade is made of elastic material; wherein the cleaning blade is formed of urethane rubber; wherein a modulus of repulsion elasticity (JIS K6255) of the cleaning blade is not less than 20% at 10Â° C. and not more than 70% at 40Â° C.; wherein a 300% modulus (JIS K6251) of the cleaning blade is not less than 200 kgf/cm2; and wherein a tear strength (JIS K6252 crescent type) of the cleaning blade is more than 35 kgf/cm.