Carpet sweeper has roller brushes whose ends fit into mountings containing drive shafts, conical surfaces on recess in end face of roller sliding over corresponding surfaces on mounting to allow roller to be removed

摘要

The carpet sweeper has roller brushes (15) whose ends fit into mountings (40) containing drive shafts (44). Conical surfaces (79) on a recess in the end face of the roller slide over corresponding surfaces (55) on the mounting to allow the roller to be removed.