Patent attributes
This disclosure relates to a work machine with a chassis, with a mast block which is mounted on the chassis and has a rotary head which can be rotated about a vertical axis of rotation, and with a mast which has at least two mast arms, wherein each of the mast arms, with the exception of a last mast arm which has a free end, is pivotably connected, starting from a first mast arm, to the respectively following mast arm by means of an articulation, and wherein the first mast arm is mounted on the rotary head so as to be pivotable about a horizontal pivot axis. According to this disclosure, at least one chassis-mounted supporting device is provided which has a supporting surface on which a component of the articulation or a component of one of the articulations is supported.
