Patent ID: 6253413
Filing Date: 2001-07-03
Classification: B41F,B41P

Abstract:
A pressure pad used in an apparatus for cleaning the outer surface of a cylinder with a cleaning fabric, said cleaning fabric being directed between said pressure pad and said cylinder, said pressure pad having opposite side edge portions which are disposed in said apparatus to extend parallel to said cylinder, said pressure pad being made of elastomer and curved between said opposite side edge portions thereof to be convex toward said outer surface of the cylinder, said pressure pad cooperating with said cleaning fabric so that said cleaning fabric can be pressed against said outer surface of the cylinder by said pressure pad to clean said outer surface of the cylinder, said pressure pad comprising:an engaged portion engaged with said cleaning fabric so that said cleaning fabric is sandwiched between said engaged portion and said cylinder to be pressed against said outer surface of the cylinder; anda pair of pressure imparting portions positioned between said engaged portion and said opposite side edge portions of the pressure pad for imparting a pressure between said engaged portion and said cylinder,wherein said pressure pad includes a central portion intermediate between said opposite side edge portions of the pressure pad, said pressure pad varying in thickness generally gradually to be more thick toward said opposite side edge portions from said central portion, said engaged portion comprising said central portion, said pressure imparting portions comprising the more thick portions positioned between said central portion and said opposite side edge portions.