Surface treating machine

B - Operations – Transporting – 21 – D

Patent

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Details

B21D 39/02 (2006.01) A47L 11/16 (2006.01)

Patent

CA 2382579

The invention relates to a surface treating machine which comprises a frame (1) and an undercarriage (2, 3) to enable the machine to move over a surface (S). A head (5) is supported by the frame and includes a drive motor (13) and a tool (6) for directly contacting, scrubbing or treating said surface (S). The tool is rotatably drivable by means of the motor. Cardanic drive and coupling means (16) is connected to the tool (6) in a rotationally fixed manner on one end and connected to the drive motor (13) on the other end. Support and spring means (8, 9, 17) for the tool (6), are forcing the tool (6) against the surface (S) with an controlled uneven pressure distribution around the circumference of the tool (6). The spring-like means (17) is distributed around an axis of rotation (12) of the support means (9), and is loaded such that the spring-like means (17) substantially remain biased during their rotation around the axis of rotation (12), in order to created a controlled uneven pressure distribution around the axis of rotation of the tool.

Cette invention se rapporte à une machine de traitement de surface qui comprend un châssis (1) et un train de roulement (2) permettant à la machine de se déplacer sur une surface (S). Une tête (5) est supportée par le châssis et comprend un moteur d'entraînement (13) et un outil (6) pour entrer en contact, épurer ou traiter ladite surface (S). L'outil peut être commandé de façon orientable au moyen du moteur. Un moyen d'entraînement et d'accouplement à cardan (16) est raccordé à l'outil (6) de manière fixe en rotation à une extrémité et raccordé au moteur d'entraînement (13) à l'autre extrémité. Les moyens de support et ressort (8, 9,17) de l'outil (6), forcent l'outil (6) contre la surface (S) avec une répartition de pression irrégulière contrôlée autour de la circonférence de l'outil (6). Le moyen servant de ressort (17) est réparti autour d'un axe de rotation (12) du moyen support (9) et est bandé de telle sorte que le moyen servant de ressort reste substantiellement biaisé pendant sa rotation autour de l'axe de rotation (12), afin de créer une répartition de pression irrégulière contrôlée autour de l'axe de rotation de l'outil.

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