Oblon, McClelland, Maier & Neustadt, L.L.P.
Cleaning blade, image forming apparatus, and process cartridge
A cleaning blade includes: a blade having plural layers formed with elastic materials having different degrees of hardness from each other, an edge line portion of the blade being brought into contact with a surface of a cleaning target performing surface movement to remove adhering matter from the surface of the cleaning target. A cleaning layer of the plural layers including the edge line portion is impregnated with a resin or is made of an elastic material having a high degree of hardness. A permanent elongation rate of the entire blade is set at 3.0% or lower.
RICOH COMPANY, LIMITED
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inventional inventional additional
Kazuhiko Hisashi Takaaki Yuu Eisuke
Watanabe Kikuchi Tawada Sakakibara Shimizu