Patent ID: 9591954
Date: 2017-03-14
CPC Classifications: A47L,H01H

Claim:
1. A wet/dry vacuum cleaner comprising: a tank having an open top; a removable lid attached to the open top of the tank; a motor attached to the removable lid; a rotatable shaft extending from the motor; a vacuum impeller and a pump impeller each driven by the rotatable shaft; a switch having an ON position in which power is supplied to the motor and an OFF position in which power to the motor is interrupted; a float disposed in the tank; and a plunger assembly attached to the removable lid; a transmission rod connected between the float and the plunger assembly; and the plunger assembly having a spring and a pin, the spring being configured to exert a biasing force against the pin to urge the switch toward the OFF position in response to upward movement of the float.