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US 8,578,638 B2Granted
Work machine, in particular excavator
AssigneeLiebherr-Hydraulikbagger GmbH
InventorsDaniel Härter, Roland Wachter, Bernd Wager, Thomas Zitterbart
Life of this patent
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Abstract
The present invention relates to a work machine, in particular to an excavator, having a boom, an extension element and a piece of working equipment, wherein the extension element is attached to a pivotal connection axle of the boom via a first gimbal mounting and bears the piece of working equipment, wherein the piece of working equipment is attached to a pivotal connection axle of the extension element via a second gimbal mounting.
Claims17
A work machine having a boom,
- an extension element, and
- a piece of working equipment, wherein
- the extension element is attached to a pivotal connection axle of the boom via a first gimbal mounting and bears the piece of working equipment,
- the piece of working equipment is attached to a pivotal connection axle of the extension element via a second gimbal mounting, and
- a braking apparatus is associated with one or more joint axles of at least one of the first and second gimbal mountings for at least one of fixing and limiting torque of the respective joint axle.
2 more elements
A work machine having
- a boom,
- an extension element, and
- a piece of working equipment, wherein
- the extension element is attached to a pivotal connection axle of the boom via a first gimbal mounting and bears the piece of working equipment,
- the piece of working equipment is attached to a pivotal connection axle of the extension element via a second gimbal mounting, and
- each said gimbal mounting is shaped as a fork having prongs through which a first joint axle extends and a stem through which a second joint axle extends in a substantially perpendicular direction to the first pivotal connection axle.
3 more elements
Dependencies are inferred from the claim text.