Abstract: The invention relates to a quick coupling comprising a base plate and a support plate, with the mounting frame being guided movably at the base plate and having means for connection to the support plate. In accordance with the invention, the support plate is moved toward the base plate by means of the mounting frame to close the coupling.

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 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 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: 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.