Patent ID: 8336154

Claim:
A mop comprising: a handle; a holding assembly mounted on the handle and having a tubular connector mounted around the handle and having an outside and a flange protruding from the outside of the tubular connector; a sleeve mounted rotatably around the tubular connector; and a connecting ring connected to the tubular connector and having an outside and a flange protruding from the outside of the connecting ring, wherein the sleeve is limited between the flanges of the tubular connector and the connecting ring; an adapter connected securely to the handle and having a bottom end surface and a protrusion protruding from the bottom end surface of the adapter; and a head assembly mounted pivotally on the handle and having a cover board having a center; a bottom surface; a mounting hole formed through the center of the cover board; and an inner annular recess and an outer annual recess respectively formed in the bottom surface of the cover board, wherein the inner annular recess, the outer annual recess and the cover board are concentric; a joint seat having a center; a top surface; a positioning hole formed through the center of the joint seat; two connecting blocks protruding separately and symmetrically from the top surface of the joint seat, respectively positioned in two corresponding sides of the positioning hole and protruding from the mounting hole of the cover board; and an annular sidewall mounted in the inner annular recess of the cover board; and a rotating disk having a center; a top surface; and a column protruding from the center and the top surface of the rotating disk, protruding from the positioning hole of the joint seat, abutting the protrusion of the adapter and having an annular sidewall mounted in the outer annual recess of the cover board.