Patent ID: 7272337
Filing Date: 2007-09-18
Classification: G03G

Abstract:
1. A corona grid cleaning device which comprises a grid, an inner grid cleaning pad, an array of electron emitting pins, an outer grid cleaning pad, and a pad transporting system, said grid having an inner surface adjacent to said array of electron emitting pins, said grid having an outer surface adjacent to a photoreceptor surface, said pad transporting system selected from the group consisting of a manual transport system, an automatic system and mixtures thereof, at least one inner grid cleaning pad adapted to operatively contact an inner surface of said grid, at least one outer grid cleaning pad adapted to operatively contact an outer surface of said grid, said outer grid cleaning pad adapted to move along an outer surface of said grid without contacting and damaging said photoreceptor surface, said transporting system enabled to move both said inner grid cleaning pad and said outer grid cleaning pad substantially simultaneously along the inner and outer surfaces of said grid and wherein said inner grid cleaning pad is thicker than the outer grid cleaning pad.