Patent ID: 6539575
Filing Date: 2003-04-01
Classification: A46B,A47L

Abstract:
An agitator for use with a cleaning machine for cleaning a floor or other surface, the agitator comprising:a rotatable member having a first end, a second end opposite the first end, an axis of rotation extending between the first and second ends, an external surface extending at least partially between the first and second ends, at least one of the first and second ends being configured to rotatably engage the cleaning machine, a first portion of the external surface being substantially cylindrical about the axis of rotation, a plurality of projections for agitating the surface to be cleaned attached to the first portion of the external surface of the rotatable member, and a second portion of the external surface spaced radially inward from the first portion to form at least a first depression, which is generally rectangular in its transverse cross-sectional shape, elongated and extends roughly helically with respect to the axis of rotation along at least a portion of the length of the external surface, sized and shaped to receive a cutting device to facilitate the cutting or removal of material that becomes wrapped around the rotatable member.