Self-running cleaning apparatus

  • US 5,109,566 A
  • Filed: 06/28/1990
  • Issued: 05/05/1992
  • Est. Priority Date: 06/28/1990
  • Status: Expired due to Term
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First Claim
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1. A self-running cleaning apparatus comprising:

  • a cleaning unit comprising;

    a cleaner,means for moving said cleaning unit,means for steering said moving means,obstacle detection means for detecting obstacles preventing movement of said cleaning unit and outputting obstacle signals indicative thereof,direction detection means for detecting direction of movement of said cleaning unit and outputting direction signals indicative thereof,means for determining a distance of movement of said cleaning unit from a starting position and outputting distance signals indicative thereof,memory means for storing data relating to dimensional features of a predetermined area,means for, in accordance with said data, said obstacle signals, said detection signals and said distance signals, controlling said moving means and said steering means to enable said cleaning unit to evade said obstacles and to return to said starting position, anda power source for supplying electric power to said cleaning unit; and

    charging means, disposed separate from said cleaning unit, for charging said power source when said cleaning unit is in said starting position.

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