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Self-evacuating vacuum cleaner

  • US 5,918,344 A
  • Filed: 10/08/1996
  • Issued: 07/06/1999
  • Est. Priority Date: 07/12/1996
  • Status: Expired due to Term
First Claim
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1. A wet/dry vacuum cleaner for vacuuming liquid or debris, comprising:

  • a tank for collecting material;

    an air impeller for creating low pressure in the tank to draw material into the tank;

    a motor driving 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 user-operated actuator mechanism mechanically linked to the switch and capable of moving the switch to the first position or the second position; and

    a float mechanically linked to the switch and capable of moving the switch from the first position to the second position.

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