Patent ID: 7891039

Claim:
A cleaning apparatus, comprising: a main rod; a wringing tube, coaxially put over said main rod and being glidingly movable along said main rod, furthermore being turnable against said main rod in a wringing direction; a fastening device, mounted on a lower end of said main rod; and a cleaning rag assembly, surrounding a periphery of said main rod at said lower end thereof, having an upper end held by a connecting ring, which is mounted on said wringing tube, and a lower end mounted on said fastening device, allowing easily to replace said cleaning rag assembly; wherein said connecting ring is screwed on a lower end of said wringing tube; further comprising a unidirectional wheel and a lever assembly, mounted on an upper end of said wringing tube and having a blocking tooth, so that said wringing tube is turnable against said main rod in said wringing direction only, wherein upon turning said wringing tube in said wringing direction said connecting ring is screwed tighter thereon.