Modular skimmer for subgrade preparation including provision...

E - Fixed Constructions – 01 – C

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E01C 19/15 (2006.01) E02F 3/76 (2006.01)

Patent

CA 1311355

ABSTRACT OF THE DISCLOSURE A skimmer for subgrade preparation with a skimming beam which can be towed over the subgrade, and which has a cambered portion for receiving sand, gravel or similar material during operation. The cambered portion opens towards the unfinished subgrade. During operation the skimming beam can be towed by means of chains, ropes or similar connecting means from a mobile appliance. The invention is characterized in that the cambered portion is shaped as a skip-like space which is designed to receive excess sand or gravel that is pared off during operation. The space is bounded by a lower wall, sidewalls and a rear wall. An attachment is provided on the skimming beam for the purpose of attaching the beam to the mobile appliance in a manner such that the beam can be manipulated therefrom, so as to enable it to be emptied. An advantage of the skimmer is the skip-shaped container, in which the sand that is pared off during a skimming operation can be accommodated, so that there is no need to remove it by hand in the course of the skimming operation as is the case with prior art devices.

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