CPC A47L 9/0455 (2013.01) [A46B 13/001 (2013.01); A46B 13/02 (2013.01); A47L 9/0477 (2013.01); A46B 2200/30 (2013.01); A47L 2201/00 (2013.01)] | 20 Claims |
1. A roller assembly for a mobile cleaning system, the roller assembly comprising:
a drive shaft rotatable about a drive axis, the drive shaft including a driven end and bushing end;
a sheath supported by the drive shaft and rotatable therewith to engage a floor surface, the sheath comprising:
a shell extending longitudinally along the drive axis and rotatable about the drive axis; and
a plurality of vanes circumferentially spaced around the shell, each vane of the plurality of vanes extending radially outward from the shell and configured to engage the floor surface; and
a plurality of spokes connected to the drive shaft and connected to the sheath between two of the vanes.
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