Controlling system for self-propelled floor cleaning vehicles

  • US 5,650,702 A
  • Filed: 07/03/1995
  • Issued: 07/22/1997
  • Est. Priority Date: 07/07/1994
  • Status: Expired due to Term
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First Claim
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1. In an improved controlling system for a self-propelled floor cleaning vehicle equipped with a drive means for driving said vehicle, a floor cleaning means, a speed controller means that controls the speed of the drive means and a means for steering the vehicle along a preselected path defined by a guidance line on a floor surface to be cleaned, the improvement which comprises a sensing means associated with the vehicle for sensing a level of dirt or scratching on the floor surface over which the vehicle passes wherein the sensing means cooperates with the speed controller means to adjust the speed of the drive means relative to the level of dirt or scratching sensed on the floor surface over which the vehicle passes.

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