Patent ID: 6817055
Filing Date: 2004-11-16
Classification: A46B

Abstract:
A drum for a brush roller, wherein the drum is comprised of a plurality of segments, each segment having opposite first and second ends with respect to a rotation direction of the drum, the first end of each segment cooperating with the second end of the adjacent segment and the adjacent segments are joined to form a drum;each segment having an upper side which is outwardly facing when the segments are joined; a plurality of outwardly protruding beams on the upper outwardly facing side, the beams being shaped and placed to define a respective U-shaped channel between adjacent beams on the segment; each segment having a double wall, with an inward wall toward an inner side of the segment, an outward wall toward the upper side of the segment, and the inward and outward walls being sufficiently rigid for the assembled segments to form a fully self-supporting drum when the segments are joined at the respective cooperating first and second ends of adjacent segments; a torque transmitter connected to the drum for rotating the drum about an axis.