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US 12,012,314 B2Granted
Working machine comprising a boom and a boom bracing
AssigneeLiebherr-Hydraulikbagger GmbH
InventorsSebastian Rauh, Tobias Riedmiller, Sebastian Stanger, Bernd Wager, Constantin Wegmann
Life of this patent
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Abstract
A working machine, in particular a material handling machine, has a boom and a boom bracing actuated by an actuator operatively connected to the boom bracing by a lever rotatably articulated to a turntable, to introduce the required tensile force into the bracing.
Claims14
A working machine, comprising
- a boom (1),
- a multipart boom bracing (10),
- at least one actuator (14) arranged to actuate the boom bracing (10),
- a turntable (2),
- an actuator lever (13) rotatably articulated to the turntable (2) and operatively connected to the boom bracing (10), to introduce tensile force into the bracing (10),
- two connecting levers (15, 16) rotatably articulated to the boom (1), with the multipart boom bracing (10) having three tension elements (11a, 11b, 11c) interconnected to each other and to the boom (1) through a respective one of the two connecting levers (15, 16), and
- with said three tension elements (11a, 11b) pivotally mounted at different axes (20-23) located on the respective connecting levers (15, 16).
4 more elements
Dependencies are inferred from the claim text.