US Patent 10004372 Mop with removable secondary cleaning head

A mop includes a mop head, a secondary cleaning head and a handle. The mop head includes a secondary cleaning head chamber and a first attachment element. The secondary cleaning head is selectively receivable in the secondary cleaning head chamber and includes a second attachment element that cooperates with the first attachment element to selectively connect the secondary cleaning head with the mop head. The handle connects with the secondary cleaning head and is operatively connectable to the mop head. The handle is connected with the mop head when the secondary cleaning head is received in the secondary cleaning head chamber and the second attachment element is engaged with the first attachment element, and the handle is disconnected with the mop head when the secondary cleaning head is not received in the secondary cleaning head chamber.