Cleaning roller for cleaning robots

  • US 10,512,384 B2
  • Filed: 12/15/2016
  • Issued: 12/24/2019
  • Est. Priority Date: 12/15/2016
  • Status: Active Grant
First Claim
Patent Images

1. A cleaning roller mountable to a cleaning robot, the cleaning roller comprising:

  • an elongate shaft extending from a first end portion to a second end portion along an axis of rotation, the first and second end portions being mountable to the cleaning robot for rotating about the axis of rotation;

    a core affixed around the shaft and having outer end portions positioned along the shaft and proximate the first and second end portions of the shaft, the core tapering from proximate the first end portion of the shaft toward a center of the shaft positioned along the axis of rotation;

    a sheath affixed to the core and extending beyond the outer end portions of the core, wherein the sheath comprises a first half and a second half each tapering toward the center of the shaft, wherein the sheath comprisesa shell surrounding and affixed to the core, anda vane extending radially outwardly from the shell, wherein a height of the vane proximate the first end portion of the shaft is less than a height of the vane proximate the center of the shaft, the height defined by a distance from a point of attachment of the vane to the shell to a free end of the vane; and

    collection wells defined by the outer end portions of the core and the sheath.

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