Surface treating machine

Details Surface treating machine Surface treating machine

A - Human Necessities

47

L

A47L 11/28 (2006.01) A47L 11/162 (2006.01) A47L 11/283 (2006.01) A47L 11/40 (2006.01)

Patent

CA 2381527

The invention relates to a surface treating machine, comprising: a frame (1) and a chassis (2, 3) to enable the machine to move over a surface (S) such as a floor. A head (5) is supported by the frame and comprises means (6) for directly contacting, scrubbing or maintaining said surface. The head (5) is freely movable up and down with respect to the chassis (2, 3) and is loaded downwardly by a pressure to adapt to the level of the surface. At least a part of the pressure on the head (5) is derived from the weight of the machine itself. Preferably, the head (5) is connected to a first lever arm (8) of a two armed lever (7) A second arm (9) of the lever (7) is connected to the chassis (2, 3), whereas a pivoting point (10) of the lever (7) is fixed to the frame (1) of the machine. In this way, the pressure on the head is not only provided by the weight of the machine, but the head is also easily adapting to ramps and descents in the surfaces, while the pressure on the head is maintained.

L'invention a pour objet une machine de traitement de surface comprenant : un cadre (1) et un châssis (2, 3), qui permettent à la machine de se déplacer sur une surface (S) comme un plancher; une tête (5), soutenue par le cadre, qui comprend des dispositifs (6) pour toucher, récurer ou entretenir ladite surface. La tête (5) se déplace librement vers le haut et vers le bas, relativement au châssis (2, 3), et est chargée vers le bas par pression afin de s'adapter au niveau de la surface. Au moins une partie de la pression sur la tête (5) est issue du poids même de la machine. Préférablement, la tête (5) est raccordée au premier bras (8) d'un levier à deux bras (7). Le deuxième bras (9) du levier (7) est raccordé au châssis (2, 3), alors que le point de pivotement (10) du levier (7) est fixé au cadre (1) de la machine. De cette façon, la pression sur la tête n'est pas seulement fournie par le poids de la machine; la tête peut aussi facilement s'adapter aux rampes et aux descentes de la surface tout en conservant sa pression.

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