Abstract: The invention relates to an excavator or to a machine for material transfer comprising an element movable via at least one hydraulic cylinder. In accordance with the invention, one or more hydraulic cylinders are additionally hinged to the element, with the additional hydraulic cylinder(s) being connected to one or more hydraulic accumulators.

Abstract: A hydraulic quick coupling is described for the coupling of structural components. Two interacting quick-coupling parts are provided which are arranged respectively on the structural components, one quick-coupling part having at least one guide bolt which can engage in a centering bore of the quick-coupling part lying opposite it, each quick-coupling part being provided with coupling plugs or coupling sleeves for the connection of the hydraulic lines, and at least one quick-coupling part being arranged movably on one structural component in order to connect or separate the two quick-coupling parts.

Abstract: The invention relates to an excavator or to a machine for material transfer comprising an element movable via at least one hydraulic cylinder. In accordance with the invention, one or more hydraulic cylinders are additionally hinged to the element, with the additional hydraulic cylinder(s) being connected to one or more hydraulic accumulators.

Abstract: The invention relates to a transfer apparatus comprising an operator cabin articulated at a movable and travelable boom, wherein the boom consists of two partial booms which are connected to one another via a connection piece. In accordance with the invention, at least one partial boom is a telescopic boom.

Abstract: A multi-scoop grab, having at least one grab scoop (10) with at least one prong, wherein at least one wear element (16, 18, 20) is arranged at the at least one grab scoop (10) such that the main wear regions are covered by the at least one wear element (16, 18, 20) (FIG. 1 ).

Abstract: The invention relates to a construction machine with a quick coupler for the coupling of a tool to a boom having a quick coupling part on the boom side and a quick coupling part on the tool side having a power circuit coupling, in particular a hydraulic coupling, having plate-like supports of the power coupling parts for the automatic coupling of a power connection on the tool side to a power connection on the boom side. In accordance with the invention, a write/read head is arranged in or at one of the two plate-like supports. Furthermore, a data carrier is arranged in the oppositely disposed plate-like support such that both can exchange data with one another in the coupled state.

Abstract: The invention relates to a quick-change attachment to connect a tool, preferably, to the boom of a hydraulic excavator, comprising a boom-connecting quick-change attachment component to accommodate a tool, one end of which has a pin, and the other end of which is retained within a bearing of the quick-change attachment by positive-fit or friction engagement. According to the invention, a bushing in the form of a half-liner having a large support angle is inserted in the bearing.

Abstract: The invention relates to a transfer apparatus comprising an operator cabin articulated at a movable and travelable boom, wherein the boom consists of two partial booms which are connected to one another via a connection piece. In accordance with the invention, at least one partial boom is a telescopic boom.

Abstract: The invention relates to an excavator or to a machine for material transfer comprising an element movable via at least one hydraulic cylinder. In accordance with the invention, one or more hydraulic cylinders are additionally hinged to the element, with the additional hydraulic cylinder(s) being connected to one or more hydraulic accumulators.

Abstract: The present application relates to a hydraulic quick coupling for the coupling of structural components, in which two interacting quick-coupling parts are provided which are arranged respectively on the structural components, one quick-coupling part having at least one guide bolt which can engage in a centering bore of the quick-coupling part lying opposite it, each quick-coupling part being provided with coupling plugs or coupling sleeves for the connection of the hydraulic lines, and at least one quick-coupling part being arranged movably on one structural component in order to connect or separate the two quick-coupling parts.

Abstract: The invention relates to a construction machine with a quick coupler for the coupling of a tool to a boom having a quick coupling part on the boom side and a quick coupling part on the tool side having a power circuit coupling, in particular a hydraulic coupling, having plate-like supports of the power coupling parts for the automatic coupling of a power connection on the tool side to a power connection on the boom side. In accordance with the invention, a write/read head is arranged in or at one of the two plate-like supports. Furthermore, a data carrier is arranged in the oppositely disposed plate-like support such that both can exchange data with one another in the coupled state.

Abstract: The invention relates to a grab tool, in particular a multi-scoop grab, having at least one grab scoop (10) with at least one prong, wherein at least one wear element (16, 18, 20) is arranged at the at least one grab scoop (10) such that the main wear regions are covered by the at least one wear element (16, 18, 20) (FIG. 1).

Abstract: The invention relates to a bearing bolt joint having a bolt and an arrangement to fix the bolt to a machine element, with the bolt having a cylindrical center part and two conically tapering ends and wherein the arrangement to fix the bolt consists of two inwardly conically extending expansion bushings which can be axially clamped by means of clamping means and which are expandable in the direction of the machine element in this process. In accordance with the invention, the expansion bushings each have a coupling region at their end pointing away from the bolt, with a pull-off tool being loosely connectable to said coupling region.

Abstract: The invention pertains to a construction machine with a rapid-action coupling for coupling a tool to a boom, wherein a rapid-action coupling part is provided on the boom side and a rapid-action coupling part is provided on the tool side such that an energy circuit can be produced, and wherein the rapid-action coupling serves for automatically coupling an energy connection on the tool side to an energy connection on the boom side. According to the invention, an identification system is provided which comprises means on the tool side which serve for identifying the type and the size of the tool, as well as a device on the construction machine side which serve for reading out and processing the information.

Abstract: The invention concerns digging or gripping equipment with a gripper shell on which at least one tooth tip is positioned. According to the invention, at least one tooth holder is positioned on the digging or gripping equipment, into which said tooth holder at least one tooth can be inserted, guided lengthwise, and locked.

Abstract: A quick coupling for coupling a tool to the boom of a hydraulic excavator and the like with a quick coupling part at the boom side and a quick coupling part at the tool side which can be latched together via a pair of spaced latching axles and with a power circuit coupling, in particular a hydraulic coupling, for the automatic coupling of a power connector at the tool side to a power connector at the boom side, wherein the power circuit coupling has a power coupling part at the boom side and a power coupling part at the tool side which ar arranged at the quick coupling part at the boom side or at the quick coupling part at the tool side such that they automatically couple as soon as the two quick coupling parts are pivoted together into their latching position about a first of the two latching axles.

Abstract: The invention relates to a quick-change attachment to connect a tool, preferably, to the boom of a hydraulic excavator, comprising a boom-connecting quick-change attachment component to accommodate a tool, one end of which has a pin, and the other end of which is retained within a bearing of the quick-change attachment by positive-fit or friction engagement. According to the invention, a bushing in the form of a half-liner having a large support angle is inserted in the bearing.

Abstract: An industrial shaft, particularly for packing equipment, consisting of a longitudinal frame structure and supply lines for pressure, current, or the like, running along the frame structure. The frame structure has a box-shaped cross-section, and the supply lines run inside the box-shaped frame.

Abstract: The invention pertains to a construction machine with a rapid-action coupling for coupling a tool to a boom, wherein a rapid-action coupling part is provided on the boom side and a rapid-action coupling part is provided on the tool side such that an energy circuit can be produced, and wherein the rapid-action coupling serves for automatically coupling an energy connection on the tool side to an energy connection on the boom side. According to the invention, an identification system is provided which comprises means on the tool side which serve for identifying the type and the size of the tool, as well as means on the construction machine side which serve for reading out and processing the information.

Abstract: The present invention relates to a quick coupling for coupling a tool to the boom of a hydraulic excavator and the like with a quick coupling part at the boom side and a quick coupling part at the tool side which can be latched together via a pair of spaced latching axles and with a power circuit coupling, in particular a hydraulic coupling, for the automatic coupling of a power connector at the tool side to a power connector at the boom side, wherein the power circuit coupling has a power coupling part at the boom side and a power coupling part at the tool side which are arranged at the quick coupling part at the boom side or at the quick coupling part at the tool side such that they automatically couple as soon as the two quick coupling parts are pivoted together into their latching position about a first of the two latching axles.