Autonomous vacuum cleaner

  • US 6,925,679 B2
  • Filed: 03/15/2002
  • Issued: 08/09/2005
  • Est. Priority Date: 03/16/2001
  • Status: Active Grant
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First Claim
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1. An autonomous vacuum cleaner, comprising:

  • a cleaning head module;

    a fan module separated from the cleaning head module; and

    a hose connecting the cleaning head module with the fan module, wherein the cleaning head module and the fan module can move independently of each other, and either module can remain stationary when the other module moves along a path.

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