Patent ID: 7404227

Claim:
A cleaning sheet adapted to be attached to a head of a cleaning tool and comprising: a base sheet having a first length and first width; and a first wiping sheet having a second length and second width, as measured parallel to the first length and width, respectively, the first wiping sheet being disposed on one side of the base sheet, the first wiping sheet including a wiping portion adapted to be disposed on the head facing away from the head, and a first projecting part with a first edge and including a part of the wiping portion, which is reinforced with another material superimposed on the first wiping sheet in an area corresponding to the first projecting part, a second projecting part with a second edge and including a second part of the wiping portion, the second projecting part extending outward from an edge of the head, the second edge having a different shape from the first edge, the first projecting part being adapted to extend outward from an edge of the head by a projecting length M when the cleaning sheet is attached to the head on an opposite side of the head from which the second projecting part extends, and the first projecting part having a repulsive force of 0.1 to 100 N/cm when deformed by a length M/3 in the direction opposite the projecting direction thereof, the base sheet overlapping the first wiping sheet along the first length and first width such that the first width is larger than the second width, and portion of the base sheet extending beyond the second width of the first wiping sheet is configured to fold around the head of the cleaning tool independently of the first wiping sheet.