Patent ID: 8800107

Claim:
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.