Linkage arrangement for a working machine
AssigneeVolvo Construction Equipment AB
InventorJoakim Unnebäck
Life of this patent
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Abstract
A linkage arrangement for a working machine, the linkage arrangement being connectable to a work implement. The linkage arrangement includes a single boom lifting arm extending along a longitudinal centre axis and being configured to lift the work implement, and a tilting arrangement having two hydraulically driven arms arranged in parallel and being configured to tilt the work implement relative the single boom lifting arm. Each one of the two hydraulically driven arms is hydraulically driven by a separate hydraulic tilting cylinder.
Claims12
A linkage arrangement for a working machine, the linkage arrangement being connectable to a work implement, the linkage arrangement comprises a single boom lifting arm extending along a longitudinal centre axis and being configured to lift the work implement, and a tilting arrangement having two hydraulically driven arms arranged in parallel and being configured to tilt the work implement relative the single boom lifting arm,
- wherein each one of the two hydraulically driven arms is hydraulically driven by a separate hydraulic tilting cylinder,
- wherein the hydraulic tilting cylinders are arranged at least partly outside of the single boom lifting arm in a direction traverse the longitudinal centre axis and the hydraulic tilting cylinders are arranged vertically below the longitudinal centre axis of the single boom lifting arm, and
- wherein each one of the hydraulically driven arms is linked arms comprising at least three straight sub-portions pivotably interconnected to each other.
Dependencies are inferred from the claim text.