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Pool cleaning robot

  • US 8,800,088 B2
  • Filed: 11/25/2012
  • Issued: 08/12/2014
  • Est. Priority Date: 06/04/2009
  • Status: Active Grant
First Claim
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1. A pool cleaning robot for cleaning a surface of a swimming pool, said robot comprising:

  • a main housing;

    main brushwheels that comprise a front main brushwheel and a rear main brushwheel;

    at least one auxiliary brushwheel disposed between said main brushwheels; and

    at least one inlet being formed in a bottom panel of the housing between said main brushwheels and being configured for intake of water and debris;

    wherein said robot is configured for rotating each main brushwheel about a main brushwheel axis of rotation and for rotating each auxiliary brushwheel about an auxiliary brushwheel axis of rotation;

    wherein each one of said at least one auxiliary brushwheel comprises a plurality of bristles, each bristle comprising a shaft and a head, said shaft being flexible enough so that rotations of the auxiliary brushwheels do not substantially affect the movement of the robot, said head being designed to dislodge debris from the surface; and

    wherein each head comprises multiple blades.

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