Patent ID: 6553609
Filing Date: 2003-04-29
Classification: A47L

Abstract:
An apparatus for floor cleaning, said apparatus having a plurality of wheels (4, 5, 6) attached to a frame (R) such that a curve movement can be selectively performed about any one of a plurality of momentary centers (MP, MP1, MP2), wherein each of the wheels has an axis of rotation and each of the plurality of momentary centers (MP, MP1, MP2) is located at an intersection of a momentary center axis (MA), which extends substantially transverse to the frame (R), and the axes of rotation of the plurality of wheels, said apparatus also having a cleaning device (3, 17a, 17b, 24, 25) that is received in the frame (R), said cleaning device forming a cleaning area that is delimited by a circumferential edge, wherein the momentary center axis (MA) forms at least one point of intersection (S1, S2) with a section of the circumferential edge that is disposed along a longitudinal side of the frame (R).