HEIGHT CONTROL DEVICE FOR A HARVESTER CUTTER

摘要

A height adjustment device for a harvester cutter has a control valve controlling a piston and cylinder for raising and lowering the cutter, a height control member which is adjustable for preselecting the ground clearance of the cutter and means responsive to the adjustment of the height control member and the position of the cutter for discontinuing the supply of pressure fluid to the piston and cylinder when the cutter has been lowered to a preselected position determined by the adjustment of the height control member.