Patent ID: 11946222
Assignee: VOLVO CONSTRUCTION EQUIPMENT AB
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 0:
1. A working machine, comprising
a pair of front wheels having a front rotational axis,
a pair of rear wheels having a rear rotational axis,
a frame structure comprising a front frame portion connected to the front rotational axis, a rear frame portion connected to the rear rotational axis, and a pivot joint pivotally connecting the front and rear frame portions to each other around a laterally extending pivot axis,
an actuator arrangement connected to the frame structure between the front frame portion and the rear frame portion, the actuator arrangement being arranged to control a mutual motion between the front frame portion and the rear frame portion; and
a lift arm comprising an inner end portion pivotably connected to the front frame portion at a position between the front and rear wheels, and an outer end portion connectable to an implement at a position in front of the pair of front wheels as seen in the longitudinal direction of the working machine,
wherein the actuator arrangement is arranged to control the inner end portion of the lift arm between a first position and a second, vertically higher position when moving the front and the rear frame portions relative to each other, and
wherein the front rotational axis and rear rotational axis move toward each other by a rotation of the pivot joint when moving the inner end portion of the lift arm between the first and second positions.