Patent ID: 9609986
Date: 2017-04-04
CPC Classifications: A47L

Claim:
1. A self-righting cleaning appliance of the cylinder type comprising a cyclonic separating apparatus for separating dirt from a dirt-bearing fluid flow, the cyclonic separating apparatus having a first cyclonic separation unit comprising a low efficiency cyclone and a second cyclonic separation unit comprising a plurality of second cyclones, a floor-engaging rolling assembly configured to roll on a side surface when the cleaning appliance is tipped over from an upright position, the rolling assembly comprising a main body and a pair of floor-engaging wheels, the main body having a recess in which the cyclonic separating apparatus is received such that when the cleaning appliance is viewed from either side there is no gap between the first cyclonic separation unit and the rolling assembly along at least 50 to 100% of the full length of the low efficiency cyclone, wherein the cleaning appliance is arranged so that it is urged to return to an upright position if it is tipped onto its side.