Patent ID: 7676885

Claim:
A carpet cleaner with a base, a handle, and a plurality of wheels comprising: a suction opening provided at a front portion of the base of the carpet cleaner; a fulcrum provided at a rear portion of the base of the carpet cleaner; a cable line extended from the rear portion of the base toward the handle; and a lever with an active end and a passive end, the lever comprising: two front legs, fixed to the suction opening, for forming the passive end of the lever; a rear fork for connecting to the two front legs for forming the active end of the lever; and a rear bar extended from the rear fork, wherein the two front legs and the rear fork encircle the rear and two side portions of the base, wherein a downward force on the suction opening is increased by pulling up the cable line, wherein the suction opening makes tight contact with the carpet floor for facilitating suction of the carpet cleaner, wherein the fulcrum comprises a rotatable axle provided through the base and fixed to the two legs of the lever at the fulcrum point, and wherein the rotatable axle is integrated with the lever, wherein the rotatable axle works as a wheel axle.