Floor cleaning machine with improved brush pressure control

Details Floor cleaning machine with improved brush pressure control Floor cleaning machine with improved brush pressure control

A - Human Necessities

47

L

15/74

A47L 11/283 (2006.01) A47L 11/30 (2006.01) E01H 1/05 (2006.01)

Patent

CA 2013194

An automatic floor-cleaning and floor-treating machine having improved brush-pressure control, said machine comprising a body (1) which is supported on wheels (2, 3) and one or more rotating brushes (4), said brushes (4) being mounted on one side of a frame (5) which can be pivoted relative to the body, the other side of the frame beyond the center of rotation being connected to one end of a spring (6), the other end of which can be displaced by means of a motor, characterized in that there is provided a second spring (9) which is connected at one end to the displaceable end of the first spring (6), and at the other end to the frame at the side where the rotating brushes are mounted. Preferably, the attachment site of the first spring (6) to the second spring (9) is connected to the actuator arm (7) of a servomotor (8).

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