Mobile charging device

{
  "publication_number": "US2014103858A1",
  "country": "US",
  "kind": "A1",
  "title": "Mobile charging device",
  "abstract": "The invention concerns a mobile charging device for at least one electrically operable tool device, which comprises at least one battery that can be charged by the mobile charging device. In order to further simplify the operation of an electrically operable tool device, the mobile charging device comprises an energy storage device for the storage of electrical energy that can be used to charge the battery of the electrically operable tool device, independently of the mains supply.",
  "claims": [
    "1. A mobile charging device for at least one electrically operable tool device, which comprises a battery that can be charged by the mobile charging device, the mobile charging device comprising an energy storage device for the storage of electrical energy that can be used to charge the battery of the electrically operable tool device independently of a mains supply. 2. The mobile charging device according to claim 1, wherein the mobile charging device has an interface for energy transfer between the energy storage device and the battery of the electrically operable tool device. 3. The mobile charging device according to claim 2, wherein the interface for the energy transfer can transfer currents of more than 100 amperes. 4. The mobile charging device according to claim 2, wherein the interface for the energy transfer is correlated with a control interface. 5. The mobile charging device according to claim 1, wherein the mobile charging device has a mains connection for the charging of the energy storage device in the mobile charging device. 6. The mobile charging device according to claim 1, wherein the mobile charging device is integrated into a tool box, a backpack, or a belt. 7. The mobile charging device according to claim 1, wherein the mobile charging device has a photovoltaic panel, which is connected to the energy storage device in the mobile charging device for energy transfer. 8. The mobile charging device according to claim 1, wherein the mobile charging device has a converter, which is upstream from the energy storage device, and/or has a charging regulator, which is downstream from the energy storage device. 9. A charging system for at least two electrically operable tool devices, which comprise at least one battery that can be charged by a mobile charging device according to claim 1, wherein the batteries of the tool devices have interfaces for energy transfer between the energy storage device and the batteries and/or for energy transfer between the batteries of the electrically operable tool devices. 10. The charging system according to claim 9, wherein the mobile charging device and/or the batteries of the electrically operable tool devices have communication interfaces for data transfer between the energy storage device and the batteries, and/or for data transfer between the batteries of the electrically operable tool devices. 11. The charging system according to claim 9, wherein the batteries of the electrically operable tool devices have interfaces for the energy transfer between the batteries and the electrically operable tool devices. 12. The charging system according to claim 10, wherein the interfaces for the energy transfer and the communication sites for the transfer are combined in a multifunction interface. 13. The charging system according to claim 9, wherein the batteries of the electrically operable tool devices are smaller or lighter than traditional batteries of electrically operable tool devices. 14. The charging system according to claim 9, wherein the electrically operable tool devices comprise hand tool devices. 15. A method for the operation of a charging system according to claim 9, the method comprising: transferring energy between the energy storage device and the batteries; and/or transferring energy between the batteries of the electrically operable tool devices. 16. The mobile charging device of claim 2, wherein the interface provides for contactless and/or wireless energy transfer between the energy storage device and the battery of the electrically operable tool device. 17. The mobile charging device according to claim 3, wherein the interface for the energy transfer is correlated with a control interface. 18. The mobile charging device according to claim 2, wherein the mobile charging device has a mains connection for the charging of the energy storage device in the mobile charging device. 19. The charging system according to claim 9, wherein the batteries of the tool devices have interfaces for the contactless and/or wireless energy transfer between the energy storage device and the batteries and/or for the contactless and/or wireless energy transfer between the batteries of the electrically operable tool devices. 20. The mobile charging device according to claim 2, wherein the mobile charging device has a photovoltaic panel, which is connected to the energy storage device in the mobile charging device for energy transfer."
  ],
  "cpc": [
    "H02J 7/342",
    "H02J 7/0054"
  ],
  "assignees": [
    "BERTSCH KLAUS",
    "MAYER STEFAN",
    "ROTH PETER",
    "HILTI AG"
  ],
  "filing_date": "2012-02-16",
  "publication_date": "2014-04-17",
  "priority_date": "2011-03-16",
  "application_number": "US-201214004951-A",
  "family_id": "45771795",
  "citations": [
    "US2011055037A1",
    "US2013314055A1",
    "US3694729A"
  ]
}