Portable floor sweeper

A floor sweeper comprising:

• a body having a periphery, a base, and a top;
• a container for receiving debris;
• first and second brush parts, each of the first and second brush parts comprising at least a portion of at least on elongate rotary brush mounted on the body;
• drive means for rotating the first and second brush parts;
• and
• first and second concavities in the base, adjacent the periphery of the body, the body holding, in each of the first and second concavities, a respective one of the first and second brush parts, wherein
• the sweeper defines a plane which simulates a planar floor supporting the sweeper in use,
• each of the first and second concavities has a mouth having a height, measured perpendicular to the plane,
• each of the first and second brush parts has a periphery engaging or spaced apart from the plane such that debris entering through each mouth and engaged by one of the first and second brush parts is propelled into the container, and
• the heights of the mouths of the first and second concavities vary relative to each other such that matter too large to enter the mouth of one of the first and second concavities may enter the mouth of the other of the first and second concavities.