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US 11,015,317 B2Granted
Excavator boom and excavator
AssigneeLiebherr-France SAS
InventorsGuillaume Elbel, Johan Pleimelding, Thomas Münch
Life of this patent
Estimating the term…
Abstract
A boom for an earth-moving machine, in particular an excavator, comprising rear and front boom parts that are cohesively assembled to form a boomerang-like boom structure, wherein the central connection between the boom parts is formed by a simple thick central connecting plate.
Claims17
A boom for an earth-moving machine, comprising:
- a rear boom part comprised of an upper surface, a lower surface, and two side surfaces,
- a front boom part comprised of an upper surface, a lower surface, and two side surfaces, the front and rear boom parts cohesively assembled to form a structure which curves at a central connection, and
- the central connection between the boom parts formed by a central connecting plate extending transversely through the structure and each side surface of each of the front and rear boom parts are connected to the central connecting plate,
- wherein the central connecting plate is curved in the front-rear direction, and
- wherein the rear of the front boom part and the front of the rear boom part are disposed on the central connecting plate.
2 more elements
An earth-moving machine with at least one boom, the machine comprising:
- a rear boom part comprised of an upper surface, a lower surface, and two side surfaces, and
- a front boom part comprised of an upper surface, a lower surface, and two side surfaces, the front and rear boom parts that are cohesively assembled to form a structure which curves at a central connection,
- wherein the central connection between the boom parts formed by a central connecting plate extending transversely through the structure and each side surface of each of the front and rear boom parts are connected to the central connecting plate,
- wherein the central connecting plate is curved in the front-rear direction, and
- wherein the rear of the front boom part and the front of the rear boom part are disposed on the central connecting plate.
2 more elements
Dependencies are inferred from the claim text.