Cleaning apparatus for the reduction of blade tuck in removal of

Details Cleaning apparatus for the reduction of blade tuck in removal of Cleaning apparatus for the reduction of blade tuck in removal of

1993-11-04

1994-09-20

Smith, Matthew S.

Photocopying

Contact printing

Light boxes

118652, 152565, 15100, G03G 2100

Patent

active

053494288

ABSTRACT:
A thin scraper blade member is arranged in interference with, and at a low angle of attack with respect to the photoreceptor so that a maximum shearing force can be applied by the blade to the spot-causing agglomerate particles for removal thereof. A slit extends laterally from one side of the blade and parallel to the edge of the blade, so that blade tuck occurrence is minimized. The slits serve to reduce the load and eliminate forces on the ends of the blade that cause the blade to tuck under. The slit also improves the range of tolerance of interference of the blade surface with respect to the photoreceptor surface before blade tuck occurs. A relatively low load is applied to the blade, so that the problems associated with the frictional sealing contact that must occur in the normal cleaning engagement of blades with a charge retentive surface are avoided.

REFERENCES:
patent: 4247196 (1981-01-01), Ogawa et al.
patent: 4989047 (1991-01-01), Jugle et al.
patent: 5031000 (1991-07-01), Pozmakos et al.
patent: 5168309 (1992-12-01), Odachi et al.
patent: 5237374 (1993-08-01), Ueno et al.
patent: 5238495 (1993-08-01), Madrzak
Xerox Disclosure Journal, Author: John F. Derrick Entitled "Adjustment Free and Easily Removable Spots Blade Bracket", Published in the Jul./Aug. 1993 Edition, vol. 18, No. 4.

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