Patent ID: 7386907

Claim:
A cleaning sheet adapted to be attached to a head of a cleaning tool and having a wiping portion adapted to be disposed on a lower side of the head, the wiping portion, in the state attached to the head, having a plurality of tacky recesses, at least a portion of each of which is coated with a pressure sensitive adhesive, open to at least one direction selected from the directions to the front, the rear, the left, and the right of the head and having a tapered or curved shape projecting in the at least one direction between borders of adjacent two of the recesses, the borders being along the at least one direction, wherein the portion of each tacky recess coated with adhesive includes first and second adjacent surfaces of the tacky recess, the first adjacent surface disposed at an angle relative to the second adjacent surface and the first and second adjacent surfaces are each disposed at oblique angles relative to the lower side of the head.