×

Vacuum cleaner control

  • US 4,357,729 A
  • Filed: 01/26/1981
  • Issued: 11/09/1982
  • Est. Priority Date: 01/26/1981
  • Status: Expired due to Term
First Claim
Patent Images

1. In a vacuum cleaner having a suction motor constructed to draw a first full load current, and a brush motor constructed to draw a second full load current, the sum of said currents being greater than a preselected current to be provided from a power source to the vacuum cleaner for operation thereof, the improvement comprisingcontrol means carried by a portion of the vacuum cleaner for causing the current provided from the power source to be reduced such that it will not exceed said preselected current during concurrent operation of the suction and brush motors.

View all claims
  • 7 Assignments
Timeline View
Assignment View
    ×
    ×