High load low load cleaning blade assembly

Details High load low load cleaning blade assembly High load low load cleaning blade assembly

2007-10-16

2007-10-16

Royer, William J. (Department: 2852)

Electrophotography

Cleaning of imaging surface

Blade

C399S351000

Reexamination Certificate

active

11182286

ABSTRACT:
A high load low load cleaning blade assembly provided for cleaning a toner image bearing surface includes a blade member having a first edge mounted to a frame, a second and opposite edge for contacting and loading against the toner image bearing surface, and a blade width connecting the first edge to the second edge. The high load low load blade assembly also includes a blade holder for holding and loading the blade member against the moving toner image bearing surface. The blade holder includes a frame, and a blade loading plate operatively connected to the frame and extending from the frame towards the second edge of the blade member for stiffening the blade width and determining a resulting blade loading force of each portion of the second edge against regions of the toner image bearing surface. The blade loading plate includes a central segment having a first plate width for stiffening the central portion of the blade member, and end segments, each having a second plate width less than the first plate width, for stiffening end portions of the blade member, thereby resulting in a second edge having a high load central portion and low load end portions.

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patent: 7065317 (2006-06-01), Suda
patent: 7181156 (2007-02-01), Kabata et al.

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