Patent ID: 7367143
Filing Date: 2008-05-06
Classification: E02D,E02F

Abstract:
1. A cutter for working the soil, comprising a cutting frame, at least two cutting wheels, which are supported on the cutting frame in a rotatably drivable manner about parallel axes of rotation, adjusting means for adjusting the centre distance between the parallel axes of rotation of the cutting wheels for changing a cutting cross-section of the cutter, wherein the adjusting means has a knee-lever mechanism and at least one hydraulic cylinder for operating the knee-lever mechanism, the hydraulic cylinder being arranged on the cutting frame approximately in the centre with respect to the two axes of rotation, at least one guide pulley for suspension in a supporting cable, and a feeding device through which the guide pulley can be displaced with respect to the cutting frame in the advance direction of the cutter, the feeding device including a hydraulic feed cylinder arranged centrally on the cutting frame.