Vacuum brush

  • US 8,800,107 B2
  • Filed: 02/16/2011
  • Issued: 08/12/2014
  • Est. Priority Date: 02/16/2010
  • Status: Active Grant
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First Claim
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1. A rotating cleaning element configured to be inserted in a cleaning head compartment of a robotic vacuum, the rotating cleaning element comprising:

  • a drive end comprising a drive protrusion configured to engage a drive mechanism of the cleaning head compartment and a retention device configured to limit axial motion of the cleaning element, the retention device including interlocking members configured to engage one or more recess in a drive gear that engages the drive protrusion;

    a bearing end and a shroud configured to surround at least a portion of the bearing end to lessen an amount of hair and similar matter that reaches the bearing, wherein the shroud comprises;

    a first wall disposed generally parallel to a central axis of a central member;

    a second wall extending generally perpendicular from the first wall;

    a third wall extending generally perpendicular from the second wall; and

    a fourth wall extending generally perpendicular from the third wall, the first, second, third and fourth wall defining the interior of the shroud; and

    the central member extending between the bearing end and the drive end;

    wherein each interlocking member has a proximal end attached to the central member and extends to an unattached distal end defining a retention feature configured to releasably engage a recess defined by the drive end of the cleaning element.

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