Method and device for levelling of a surface

Details Method and device for levelling of a surface Method and device for levelling of a surface

E - Fixed Constructions

01

C

E01C 19/48 (2006.01) E01C 19/15 (2006.01)

Patent

CA 2461660

The invention relates to a method for smoothing or levelling a ground surface wherein a smoothing or levelling material is laid on a ground surface in that a box-like device(1) filled with material (18) is moved forwards, the material being allowed to exit a plate (4)-adjustable rear opening in the box-like device (1) and to come to lie in a strip, and a blade (9) mounted on the box- like device after the opening spreads the material on the ground surface, the blade (9) being capable of being raised and lowered together with the plate (4), The blade (9) is raised and lowered with an adjustable reduction ratio relative to the plate (4), by means of a lever/parallelogram arrangement (6,7,8) which connects the blade (9) and the plate (4).

Cette invention a trait à un procédé permettant de lisser ou de mettre à niveau un sol. En se déplaçant vers l'avant, un dispositif du type wagonnet (1), rempli de matériau de lissage ou de mise à niveau (18) dépose celui-ci sur le sol. Le matériau, qui peut sortir par une plaque (4) définissant une ouverture réglable à l'arrière du wagonnet (1), est répandu sous la forme d'une bande. Une lame (9), montée sur le wagonnet et se trouvant en arrière de l'ouverture, étale le matériau sur le sol. Cette lame (9) peut être levée ou baissée en même temps que la plaque d'ouverture et ce, selon un rapport de réduction adaptable relativement à la plaque. Cette opération est rendue possible par un mécanisme en forme de parallélogramme (6, 7, 8) raccordant la lame (9) à la plaque (4).

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