Patent application number | Description | Published |
20080248376 | Device for Locking Electrical Devices, in Particular Power Tools, with Battery Packs for Power Supply - The invention relates to a device for locking electric appliances ( | 10-09-2008 |
20090017372 | RECHARGEABLE BATTERY - The invention relates to a rechargeable battery for handheld electromechanical tools, having a plurality of battery cells that are connected electrically to one another by means of flat electrical cell connectors, wherein in a region of the rechargeable battery in which two cell connectors overlap, an electrical insulator is fixed to a cell connector of an electrical cell bypass. The invention further relates to an electromechanical tool, in particular a cordless screwdriver, power drill, circular saw, jigsaw, power sander, or garden tool, having a rechargeable battery according to the invention. | 01-15-2009 |
20090202895 | Power supply module for an electric power tool - A power supply module for interchangeable attachment to an electric tool has a module housing, which receives a battery and an introduction dome, formed integrally onto the module housing, for guiding the tool, on which dome there is an electrical interface with the electric power tool and at least one form-locking element for making a form lock with the tool housing is located. | 08-13-2009 |
20090286143 | BATTERY PACK - A battery pack according to the invention has a housing, at least one rechargeable battery cell, and at least one temperature sensor that is attachable in a thermally conductive fashion to the rechargeable cell. At least one clamping element is provided, which cooperates with the temperature sensor in such a way that it is possible to attach the temperature sensor to the rechargeable cell in a thermally conductive fashion. | 11-19-2009 |
20100009252 | ACCUMULATOR WITH SEVERAL ACCUMULATOR CELLS - At an accumulator with at least two accumulator cells, which are arranged in an accumulator housing and which are connected electrically with each other by a connector element, at least one of the accumulator cells is connected with the connector element by an electrically conductive adhesive. | 01-14-2010 |
20100068606 | SAFETY DEVICE FOR AN ACCUMULATOR CELL - In the case of a safety device for an accumulator cell, which has an electrode assembly disposed in an elastic cell sheath and at least one electrical connector, a blocking element is provided which blocks at least a first electrical contact associated with the electrical connector with at least a second electrical contact in a releasable electrical connection, the blocking element being configured for the purpose of releasing the releasable electrical connection when the cell sheath expands as a result of a change in volume of the accumulator cell during operation. A separation of the second contact from the first contact is thereby made possible. | 03-18-2010 |
20100081044 | DEVICE FOR LOCKING ELECTRICAL DEVICES, IN PARTICULAR POWER TOOLS, WITH BATTERY PACKS FOR POWER SUPPLY - A battery pack for locking with a power tool with at least one movable locking bar has at least a front recess and a rear recess located after the front recess in the direction of a relative motion between the battery pack and the power tool, the recesses are configured as detent grooves, and the recesses are differently shaped and are offset transversely to the direction of motion; and a power tool locks with the battery pack. | 04-01-2010 |
20100129706 | DEVICE WITH AT LEAST ONE ACCUMULATOR CELL - In the case of a device with at least one accumulator cell having at least one electrode assembly which is disposed in an elastic sheath, the accumulator cell is equipped with an apparatus having at least two retaining elements, which are connected to each other. The accumulator cell is then held at associated hold points by the retaining elements. | 05-27-2010 |
20100172392 | MEASUREMENT ARRANGEMENT FOR MEASURING A TEMPERATURE OF A RECHARGEABLE POWER SUPPLY DEVICE - A measurement arrangement for measuring a temperature of a rechargeable power supply device, such as a battery pack, for an electrical appliance. The power supply device has at least one measurement object, such as a battery. At least one thermosensor element, such as a PTC or NTC resistor, is provided on a ribbon cable and is positioned between the measurement object and an outer sheath. | 07-08-2010 |
20100173179 | ARRANGEMENT HAVING AT LEAST ONE BATTERY - A battery pack having at least one battery with two electrical contacts in which a parallel circuit comprising a first and a second resistor is arranged between a first contact and a first pole, the first resistor switches off at a first temperature, the second resistor switches off at a second temperature, the first temperature is higher than the second temperature, and the first resistor has a higher current carrying capability than the second resistor. The circuit serves as fuse protection for the battery against overheating both when the battery is charging and when the battery is discharging | 07-08-2010 |
20100175902 | METHOD FOR ADJUSTING AN ELECTRIC POWER TOOL - The present invention relates to a method, with which an electric power tool is operated, which comprises a drive motor, a drive unit as well as a tool, the tool being operated by means of the drive unit and the drive motor. Said tool can be operated in at least two operating modes, said operating modes varying due to the properties of the drive motor and/or the drive unit. The setting of at least one of the two operating modes occurs automatically. The present invention furthermore relates to an electric power tool, which particularly can be operated with the one method according to the invention, having a drive motor, a drive unit as well as a tool, said tool being operable in at least two operating modes by means of the drive unit and the drive motor. The operating modes vary due to the properties of the drive motor and/or the drive unit. Said power tool comprises a detection means, with which the necessity for switching the operating mode can be ascertained and is characterized by further comprising a control means, with which one of the two operating modes can be automatically adjusted. | 07-15-2010 |
20100181960 | RECHARGEABLE POWER SUPPLY DEVICE HAVING AN IDENTIFICATION DEVICE - The invention relates to a rechargeable power supply device for supplying power to an electrical appliance. The rechargeable power supply device is provided with at least one chip on which data for identification of the power supply device can be stored, and can be read by the electrical appliance and/or by a charger. | 07-22-2010 |
20100183905 | RECHARGEABLE BATTERY - The invention relates to a rechargeable battery ( | 07-22-2010 |
20100203368 | RECHARGEABLE BATTERY - The invention relates to a rechargeable battery for handheld, electromechanical tools, with a plurality of rechargeable battery cells, which are electrically connected to one another by means of electrical cell connectors. At least one cell connector has an electrical insulation, and an electronic component such as a set of accumulator-protecting electronics or a sensor, is provided on or in the electrical insulation. | 08-12-2010 |
20100209751 | BATTERY PACK AND ELECTRICAL DEVICE WITH THREE-DIMENSIONAL CODING MEANS - The invention describes a battery pack for an electrical appliance, in particular for a handheld machine tool, having mechanical coding elements for interaction with corresponding coding elements on an electrical appliance. The coding elements are arranged in relation to one another with respect to a first axis in the insertion direction, a second axis transverse to the insertion direction, and a third axis transverse to the insertion direction and transverse to the second axis in such a way that they form a three-dimensional coding system. | 08-19-2010 |
20100209759 | BATTERY PACK - The invention describes a battery pack having a housing and at least one battery cell. According to the invention, also provided are elements which compensates for tolerance variations of the battery cell(s). The tolerance compensation elements include at least one spreading element which is arranged in an intermediate space between at least two battery cells and/or between one battery cell and the housing. | 08-19-2010 |
20100253279 | SYSTEM, INCLUDING AN ELECTRICAL DEVICE AND A RECHARGEABLE BATTERY, ELECTRICAL DEVICE, AND RECHARGEABLE BATTERY - The invention relates to a system having an electrical device, particularly a hand-held electrical tool, and at least one accumulator equipped with a coding comprising at least one electrical conductor, for supplying the electrical device with electrical energy, and having an identification mechanism interacting with the coding, which includes an electrical controller. The controller is configured to enable the operation of the electrical device along with the accumulator only if the coding identifies the accumulator as being approved for the electrical device. The invention proposes that the identification mechanism includes at least two electrical contacts that may be connected to each other in an electrically conductive manner by the electrical conductor of a coding identifying the accumulator as approved for the electrical device. The controller is configured to enable the operation of the electrical device along with the accumulator upon detecting an electrically conductive connection between the contacts. The invention further relates to an electrical device and an accumulator. | 10-07-2010 |
20110005792 | HANDHELD POWER TOOL WITH TWO-HANDED GRASP - The invention is based on a handheld power tool having a drive unit, a grip unit that includes at least two grip areas for two-handed use, and a safety sensor unit, which has at least one sensor and one power limitation unit. It is proposed that the power limitation unit, in at least one operating state, as a function of a signal of the at least one sensor of the safety sensor unit, limits a supply of power to the drive unit at a level that is other than zero and unequal to a maximum available power. | 01-13-2011 |
20110006729 | RECHARGEABLE BATTERY CHARGING CASE - The invention is based on a rechargeable battery charging case, in particular a cordless handheld power tool case, having at least one battery attachment device and a case body. It is proposed that the rechargeable battery charging case has an electrical energy output and a supply unit, which in at least one operating state is connected to the energy output and to the battery attachment device for supplying the energy output. | 01-13-2011 |
20110052944 | DEVICE FOR HEATING A RECHARGEABLE BATTERY, CHARGER, AND ACCESSORY ELEMENT - The invention relates to a method for heating a rechargeable battery in which the rechargeable battery is supplied with voltage in such a way that the current flowing in the rechargeable battery heats the rechargeable battery without essentially charging the rechargeable battery. The invention also relates to a charger for carrying out the method. | 03-03-2011 |
20110092102 | ELECTRIC DEVICE, IN PARTICULAR ELECTRIC HANDHELD POWER TOOL - An electric device has an electric unit having a receiving region, a power supply unit received by the receiving region of the electric unit in a receiving direction, contact units for making an electrical connection between the power supply unit and said electric unit, unit for counteracting a motion of the contact units, which is movable relative to the electric unit in the receiving direction, relative to the power supply unit located on the receiving region, and within a region intended for the motion. | 04-21-2011 |
20110143561 | SPARE MODULE FOR HANDHELD POWER TOOL - The invention is based on a spare handheld power tool module, having at least one interface that has at least one contact region and at least one electrical contact that is disposed at least partly in the contact region. It is proposed that the interface has at least one closure unit, which is provided for covering the contact region. | 06-16-2011 |
20110147031 | ELECTRIC MACHINE TOOL - In an electric machine tool having an interface ( | 06-23-2011 |
20110180291 | MAKING ELECTRICAL CONTACT WITH A RECHARGEABLE BATTERY HAVING A PLURALITY OF RECHARGEABLE BATTERY CELLS - In a rechargeable battery ( | 07-28-2011 |
20120082885 | ENERGY STORAGE PACK FOR AN ELECTRIC POWER TOOL, AND ELECTRIC POWER TOOL - An energy storage pack for an electric power tool comprising a housing for reception of a plurality of cell blocks having electrochemical storage cells, as well as electrical pole terminals to which poles of the cell blocks are electrically connectable. At least one pole terminal is embodied as a subassembly that encompasses two electrically separated contacts. | 04-05-2012 |
20120229083 | HANDHELD TOOL BATTERY CHARGING MEANS - A handheld tool battery charging unit, e.g., for a handheld machine tool battery, has at least one battery accommodation region and at least one detachable battery contact unit provided to be connected to at least one battery pack, as well as at least one charging connection element provided for receiving energy transmitted in a wireless manner. | 09-13-2012 |
20120238119 | HAND TOOL MODULE - A hand tool module having an interconnection device, which has an interface. The interconnection device has, in addition to the interface, at least one auxiliary interface, which is provided to bidirectionally exchange at least power at least with one additional hand tool module and/or a hand tool. | 09-20-2012 |
20120267134 | Handheld Tool, Handheld Tool Add-On Measuring Device and Handheld Tool Battery - A handheld tool having a battery interface is described, in which a provision is made for the handheld tool to have at least one measuring device interface, which is provided to receive at least data containing measuring information of a handheld tool add-on measuring device. | 10-25-2012 |
20130017427 | ACCUMULATOR HAVING MULTIPLE ACCUMULATOR CELLSAANM Matthias; WolfAACI StuttgartAACO DEAAGP Matthias; Wolf Stuttgart DEAANM Koeder; ThiloAACI Bayan LepasAACO MYAAGP Koeder; Thilo Bayan Lepas MYAANM Baumgartner; JosefAACI StuttgartAACO DEAAGP Baumgartner; Josef Stuttgart DE - In an accumulator having multiple accumulator cells situated in an accumulator housing, the end faces of the accumulator cells which face a specified housing section forming an end face plane, and at least one electrical line being fastened to at least one end face of at least one accumulator cell, the at least one accumulator cell being connected via the electrical line to an electronic component associated with the accumulator, at least one line routing element is situated, at least in sections, in the area of the end face plane between the end faces facing the specified housing section and the housing section, the line routing element having at least one guide element for guiding the at least one electrical line. | 01-17-2013 |
20130181666 | RECHARGEABLE BATTERY CHARGING CASE - The invention is based on a rechargeable battery charging case, in particular a cordless handheld power tool case, having at least one battery attachment device and a case body. It is proposed that the rechargeable battery charging case has an electrical energy output and a supply unit, which in at least one operating state is connected to the energy output and to the battery attachment device for supplying the energy output. | 07-18-2013 |
20130224567 | HOUSING FOR ACCOMMODATING AT LEAST ONE RECHARGEABLE BATTERY CELL - A housing for accommodating at least one rechargeable battery cell, having a terminal region for the electrical contacting of the housing to a device that is operated with an electric motor, in particular to a hand tool, and having at least one connecting line at one side of the at least one rechargeable battery cell, with which the at least one rechargeable battery cell is at least mediately electrically contacted at a pole, the at least one connecting line being guided in particular parallel to the extension of the rechargeable battery cell on the side of the rechargeable battery cell situated opposite the point of connection to the rechargeable battery cell. The housing has a separate cable channel in which the at least one connecting line is guided so as to be spatially separated from the at least one rechargeable battery cell. | 08-29-2013 |
20140113179 | RECHARGEABLE BATTERY FOR HAND-GUIDED ELECTROMECHANICAL TOOLS - A rechargeable battery ( | 04-24-2014 |