Abstract: A shaft-hub connection arrangement for transmitting torques between a metallic shaft (1) and a plastic hub (2) connected in a positive-locking manner thereto, wherein the shaft (1) is provided with at least one longitudinal groove (3), concave in cross-section, at least in the connecting region, and in that the hub (2) is provided correspondingly with a folding lever that extend inwards from the inner wall (6) and come to rest in a positive-locking manner in groove flank regions (5a, 5b) of the longitudinal groove (3) on both sides.

Abstract: System having at least one first receiving apparatus for receiving at least one first rechargeable battery, wherein the at least first rechargeable battery includes a temperature sensor for measuring at least one temperature value of the rechargeable battery, wherein the at least first receiving apparatus includes a charging device for charging the rechargeable battery with electrical energy, a cooling device for cooling the rechargeable battery, and a heating device for heating the rechargeable battery.

Abstract: An electric hand tool, in particular an impact hammer, with a tool receiving unit (1) for a tool arranged along an impact axis (X), a drive unit for the tool subsequently accommodated in a machine housing (2) and a handle (3) arranged opposite the tool receiving unit (1) on the machine housing (2), wherein at least one accumulator unit (8a; 8b) detachably fastened to the machine housing (2) is provided for the electrical power supply, wherein at least one housing recess (7a; 7b) extending transversely to the impact axis (X) is provided in the region of the machine housing (2) for the exchangeable accommodation of the accumulator unit (8a; 8b), in which the accumulator unit (8a; 8b) is arranged in such a way that the overall center of gravity with respect to the impact axis (X) in the radial direction lies within the lateral dimension of the drive unit.

Abstract: Method for controlling in an open and closed loop a power tool, in particular a handheld power tool, including a power tool housing, a control unit, a drive, a tool fitting, and an output device, with the method steps of detecting at least one acceleration value via the at least one acceleration sensor; sending at least one signal to the output device for the purpose of outputting at least one acoustic and/or visual warning signal if a detected acceleration value reaches a threshold value saved in the memory device, and/or sending at least one signal from the control unit for adjusting the drive from a first operating state into a second operating state.

Abstract: A system (100) having a power tool and at least one rechargeable battery as an energy supply for the power tool having at least one energy storage element, including a locking apparatus having at least one locking element for releasably connecting the at least one rechargeable battery to the power tool. The locking apparatus includes at least one actuator for reversibly moving the at least one locking element from a first position into a second position, wherein, in the first position, the rechargeable battery may be moved relative to the power tool and, in the second position, the rechargeable battery is immovably connected to the power tool.

Abstract: Rechargeable battery as an energy supply for a power tool with at least a first and a second energy storage element. At least a first retaining device for receiving and retaining the at least first energy storage element and at least a second retaining device for receiving and retaining the at least second energy storage element is included, wherein at least a subregion of an outer surface of the at least first and/or second retaining device is configured such that at least one gap for a cooling fluid is provided between adjacent retaining devices. Power tool with at least one rechargeable battery.

Abstract: A method for producing an object having a microstructure. In the production of the objects, use is made of injection molds which have a counterstructure to the desired microstructure of the object, wherein the counterstructure of the injection mold can be obtained by laser structuring. The material and the objects produced therefrom have proven to be surprisingly robust, hard-wearing and slip-resistant, making them particularly suitable for the production of handles for power tools. A material which includes at least one thermoplastic elastomer material, wherein a texture depth of the material is in a range of from 250 to 400 ?m, preferably in a range of from 300 to 380 ?m, and more preferably about 325 ?m. In yet another aspect, the invention relates to use of the material as a surface material for power tools.

Abstract: A power tool, in particular a chisel hammer, including a drive, a striking mechanism device, a control device, an energy supply device for supplying the power tool with electrical energy and a power tool housing with a first and second power tool housing area. The energy supply device can be positioned in one direction between the first and second power tool housing areas, a first interface for connecting the energy supply device to the first power tool housing area and a second interface for connecting the energy supply device to the second power tool housing area being provided.

Abstract: Composite gearwheel for an electropneumatic hammer drill, wherein the composite gearwheel has a basic body, consisting of a first material, and an encircling toothing, and wherein the encircling toothing is formed, along a first circular arc, by a toothed body of the composite gearwheel, and is formed, along the remaining second circular arc, by the basic body itself, wherein the toothed body consists of a second material that is different than the first material.

Abstract: A power tool, in particular a chipping hammer, containing a tool-fitting element for receiving and holding a tool, in particular a chisel, and an apparatus for selectively turning the tool-fitting element. The apparatus contains an impact-mechanism housing having a connecting device, a coupling element having an attachment device, and an uncoupling element for reversibly separating the coupling element from the impact-mechanism housing, wherein the coupling element is settable reversibly in a first or second position, and wherein, in the first position, the coupling element is connected releasably to the impact-mechanism housing such that the tool-fitting element is prevented from turning about an axis of rotation and, in the second position, the coupling element is movable relative to the impact-mechanism housing such that the tool-fitting element is able to be turned about an axis of rotation relative to the impact-mechanism housing.

Abstract: A power tool, in particular a chipping hammer, containing a tool-fitting element for receiving and holding a tool, in particular a chisel, and an apparatus for selectively turning the tool-fitting element. The apparatus contains an impact-mechanism housing having a connecting device, a coupling element having an attachment device, and an uncoupling element for reversibly separating the coupling element from the impact-mechanism housing, wherein the coupling element is settable reversibly in a first or second position, and wherein, in the first position, the coupling element is connected releasably to the impact-mechanism housing such that the tool-fitting element is prevented from turning about an axis of rotation and, in the second position, the coupling element is movable relative to the impact-mechanism housing such that the tool-fitting element is able to be turned about an axis of rotation relative to the impact-mechanism housing.

Abstract: A power tool, in particular a chisel hammer, including a drive, a striking mechanism device, a control device, an energy supply device for supplying the power tool with electrical energy and a power tool housing with a first and second power tool housing area. The energy supply device can be positioned in one direction between the first and second power tool housing areas, a first interface for connecting the energy supply device to the first power tool housing area and a second interface for connecting the energy supply device to the second power tool housing area being provided.

Abstract: Composite gearwheel for an electropneumatic hammer drill, wherein the composite gearwheel has a basic body, consisting of a first material, and an encircling toothing, and wherein the encircling toothing is formed, along a first circular arc, by a toothed body of the composite gearwheel, and is formed, along the remaining second circular arc, by the basic body itself, wherein the toothed body consists of a second material that is different than the first material.