Plough blade angle adjustment device for earth working machine

摘要

The angle adjustment device comprises a plough blade arm (12) supported on a bar (10) and pivotable about a pivot axle (13). A holder (16) fixes the arm on the bar. A pivot support (32) is provided in front of the bar and a mount (24) is provided above the bar for at least one spacer (20) on which the arm rests. The spacer comprises one or several plates having cut-out sections on each side to allow them to slide onto and engage with the mount. The spacers are H-formed and comprise a rectangular section with a rod on each longitudinal side.