Patent ID: 6637068
Filing Date: 2003-10-28
Classification: A47L

Abstract:
A vacuum cleaner comprising:a tank having an inlet for receiving liquid material, the tank defining an interior; an air impeller housing having an opening in air flow communication with the interior; an air impeller disposed inside the air impeller housing; a motor disposed inside a motor housing and operatively coupled to the air impeller; a switch having a first position in which power is provided to the motor and a second position in which power to the motor is interrupted; a float disposed in the tank; a float rod extending between the float and the switch, the float rod being capable of moving the switch from the first position to the second position; and a seal attached intermediately along and to the float rod to create a water-tight barrier between opposite ends of the float rod, at least a portion of the seal being adapted to travel with the float rod.