Patent ID: 7266862

Claim:
A suction apparatus of a cleaner comprising: a suction motor inserted in a cleaner body and generating a suction force; a filter that collects dust or filth sucked by a suction force generated from the suction motor; a suction head connected to the filter by a suction pipe and sucking dust and filth on a floor by the suction force generated from the suction motor; and an auxiliary suction unit installed at the opposite side of a side where the suction pipe of the suction head is connected and a suction force is weak, wherein the suction head and the suction unit are configured to be operated together to compensate for the weak suction force to thereby suck dust and filth, wherein the auxiliary suction unit comprises: an auxiliary suction head mounted at one end portion of the suction head and sucking dust and filth; and an auxiliary suction pipe connected between the auxiliary suction head and the suction pipe and inducing the dust and filth sucked from the auxiliary suction head to the suction pipe.