Patents by Inventor Wolf ZAHN

Wolf ZAHN has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 12312037
    Abstract: A holding device for releasably holding an accumulator, in particular a bicycle accumulator, on a frame, especially a bicycle frame, and includes at least a carrier unit provided with at least a carrier element, especially a guide rail, for the at least partial accommodation and/or guidance of the accumulator. The holding device has at least a variation unit situated at least partially on the carrier element for the variable positioning of a locking unit at different positions of the carrier element, in particular viewed along a longitudinal axis of the carrier element.
    Type: Grant
    Filed: September 2, 2020
    Date of Patent: May 27, 2025
    Assignee: ROBERT BOSCH GMBH
    Inventors: Dennis Mehlo, Lisa Bayer, Peter Kunert, Wolf Zahn
  • Publication number: 20230006310
    Abstract: A rechargeable battery pack. The rechargeable battery pack includes a housing, at least one rechargeable battery cell including a cell connector, and a circuit board. The at least one rechargeable battery cell being electrically connected to the circuit board via the cell connector. The circuit board includes a connection point for the materially bonded connection of the cell connector to the circuit board, the connection point being situated on a side of the circuit board facing away from the rechargeable battery cells.
    Type: Application
    Filed: June 24, 2022
    Publication date: January 5, 2023
    Inventors: Simon Buck, Stephanie Gollhofer, Aaron Ruthardt, Balint Becsei, Simone Schramm, Wolf Zahn
  • Patent number: 11495844
    Abstract: A charging device for charging an energy accumulator unit, in particular a battery pack, of a hand-held power tool. The charging device includes a cooling device for cooling the energy accumulator unit, in particular the battery pack, a charger housing, which at least in sections forms an outer housing, and a receptacle unit which may detachably accommodate the energy accumulator unit, and is provided to accommodate the energy accumulator unit in a connected state and/or hold it at the charging device. The cooling device is provided to form an airflow directed onto the energy accumulator unit in such a way that the airflow at least in sections flows around the energy accumulator unit.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: November 8, 2022
    Assignee: Robert Bosch GmbH
    Inventors: Andreas Sedlmayr, Axel Hubertz, Marc-Alexandre Seibert, Marcin Rejman, Wolf Zahn
  • Publication number: 20220315158
    Abstract: A holding device for releasably holding an accumulator, in particular a bicycle accumulator, on a frame, especially a bicycle frame, and includes at least a carrier unit provided with at least a carrier element, especially a guide rail, for the at least partial accommodation and/or guidance of the accumulator. The holding device has at least a variation unit situated at least partially on the carrier element for the variable positioning of a locking unit at different positions of the carrier element, in particular viewed along a longitudinal axis of the carrier element.
    Type: Application
    Filed: September 2, 2020
    Publication date: October 6, 2022
    Inventors: Dennis Mehlo, Lisa Bayer, Peter Kunert, Wolf Zahn
  • Patent number: 11420315
    Abstract: A handheld machine tool, which has a housing including a handle, a drive motor situated inside the housing, and an interface for establishing a mechanical and/or an electrical connection between the handheld machine tool and a battery pack, the interface having a base element for the electrical and/or mechanical connection of the interface to the handheld machine tool, and a separate contact carrier including at least one contact element for the electrical and/or mechanical contacting with at least one corresponding mating contact element on the battery pack.
    Type: Grant
    Filed: December 8, 2016
    Date of Patent: August 23, 2022
    Assignee: Robert Bosch GmbH
    Inventors: Florian Kneer, Wolf Zahn
  • Patent number: 11364616
    Abstract: A rechargeable battery pack interface device includes: at least one connecting unit that is designed to detachably mechanically connect a rechargeable battery pack to a consumer, the mechanical connection being detachable using a relative movement of the rechargeable battery pack relative to the consumer; and a retaining unit that is designed in such a way that, in a non-activated state of the retaining unit, the mechanical connection is detachable using the relative movement of the rechargeable battery pack with respect to the consumer and, in an activated state of the retaining unit, the mechanical connection is detachable using another relative movement which differs from the relative movement.
    Type: Grant
    Filed: June 20, 2018
    Date of Patent: June 21, 2022
    Assignee: Robert Bosch GmbH
    Inventors: Wolf Zahn, Florian Kneer, Josef Baumgartner
  • Publication number: 20210162575
    Abstract: A handheld machine tool, which has a housing including a handle, a drive motor situated inside the housing, and an interface for establishing a mechanical and/or an electrical connection between the handheld machine tool and a battery pack, the interface having a base element for the electrical and/or mechanical connection of the interface to the handheld machine tool, and a separate contact carrier including at least one contact element for the electrical and/or mechanical contacting with at least one corresponding mating contact element on the battery pack.
    Type: Application
    Filed: December 8, 2016
    Publication date: June 3, 2021
    Inventors: Florian Kneer, Wolf Zahn
  • Patent number: 10998602
    Abstract: A rechargeable battery (1) for hand-guided electromechanical tools, having a plurality of rechargeable battery cells (10) which are electrically connected to one another by means of electrical cell connectors (110), wherein the electrical cell connectors (110) are fixed to a cell connection frame (120), which is provided on one pole side (19) of the rechargeable battery cells (10), for the purpose of simplified mounting of the electrical cell connectors (110) on the rechargeable battery cells (10). Furthermore, an electromechanical tool, in particular a cordless screwdriver, a drill, a circular saw, a jigsaw, a sander, a garden appliance, having a rechargeable battery (1) according to the invention.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: May 4, 2021
    Assignee: Robert Bosch GmbH
    Inventor: Wolf Zahn
  • Publication number: 20200411923
    Abstract: A charging device for charging an energy accumulator unit, in particular a battery pack, of a hand-held power tool. The charging device includes a cooling device for cooling the energy accumulator unit, in particular the battery pack, a charger housing, which at least in sections forms an outer housing, and a receptacle unit which may detachably accommodate the energy accumulator unit, and is provided to accommodate the energy accumulator unit in a connected state and/or hold it at the charging device. The cooling device is provided to form an airflow directed onto the energy accumulator unit in such a way that the airflow at least in sections flows around the energy accumulator unit.
    Type: Application
    Filed: March 25, 2019
    Publication date: December 31, 2020
    Inventors: Andreas Sedlmayr, Axel Hubertz, Marc-Alexandre Seibert, Marcin Rejman, Wolf Zahn
  • Patent number: 10873062
    Abstract: A rechargeable battery, in particular a rechargeable battery for a power tool, which includes a cell block having a sealing device provided for closing the cell block in at least a dust-proof and/or water-proof manner, and which includes an external rechargeable battery housing. It is provided that the external rechargeable battery housing is provided for conducting an airflow along between the external rechargeable battery housing and the sealing device.
    Type: Grant
    Filed: September 12, 2014
    Date of Patent: December 22, 2020
    Assignee: Robert Bosch GmbH
    Inventor: Wolf Zahn
  • Patent number: 10707458
    Abstract: A hand-held power tool includes: a housing and a rechargeable battery pack. A housing interface unit of the housing cooperates with a rechargeable battery pack interface unit of the rechargeable battery pack to provide a mechanical and electrical connection between the hand-held power tool and the rechargeable battery pack. The rechargeable battery pack interface unit includes a locking element, and the housing interface unit includes a contact plate having at least one contact element configured for the electrical contacting with countercontact elements of the rechargeable battery pack. The contact plate represents a component which is detachably connected to the housing, and the contact plate also includes a retaining element for additional fixing of the rechargeable battery pack interface unit to the contact plate.
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: July 7, 2020
    Assignee: Robert Bosch GmbH
    Inventor: Wolf Zahn
  • Publication number: 20200139531
    Abstract: A rechargeable battery pack interface device includes: at least one connecting unit that is designed to detachably mechanically connect a rechargeable battery pack to a consumer, the mechanical connection being detachable using a relative movement of the rechargeable battery pack relative to the consumer; and a retaining unit that is designed in such a way that, in a non-activated state of the retaining unit, the mechanical connection is detachable using the relative movement of the rechargeable battery pack with respect to the consumer and, in an activated state of the retaining unit, the mechanical connection is detachable using another relative movement which differs from the relative movement.
    Type: Application
    Filed: June 20, 2018
    Publication date: May 7, 2020
    Inventors: Wolf Zahn, Florian Kneer, Josef Baumgartner
  • Patent number: 10461301
    Abstract: A battery pack for a hand-held power tool including a battery pack housing, the battery pack housing accommodating at least two battery cells, and at least one cell connector for connecting the battery cells in parallel and/or in series, the cell connector being connected to a pole of the first battery cell and to a pole of the second battery cell using a welding method, the cell connector including at least two at least partially overlapping, current-carrying cross-sectional areas in an unwelded area between the battery cells.
    Type: Grant
    Filed: March 7, 2016
    Date of Patent: October 29, 2019
    Assignee: Robert Bosch GmbH
    Inventors: Wolf Zahn, Florian Schmehl, Joseph Baumgartner
  • Patent number: 10300591
    Abstract: 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.
    Type: Grant
    Filed: November 16, 2015
    Date of Patent: May 28, 2019
    Assignee: ROBERT BOSCH GMBH
    Inventors: Marcin Rejman, Wolf Zahn, Gunter Flinspach, Alexander Osswald, Rainer Glauning
  • Publication number: 20190036098
    Abstract: A rechargeable battery (1) for hand-guided electromechanical tools, having a plurality of rechargeable battery cells (10) which are electrically connected to one another by means of electrical cell connectors (110), wherein the electrical cell connectors (110) are fixed to a cell connection frame (120), which is provided on one pole side (19) of the rechargeable battery cells (10), for the purpose of simplified mounting of the electrical cell connectors (110) on the rechargeable battery cells (10). Furthermore, an electromechanical tool, in particular a cordless screwdriver, a drill, a circular saw, a jigsaw, a sander, a garden appliance, having a rechargeable battery (1) according to the invention.
    Type: Application
    Filed: October 5, 2018
    Publication date: January 31, 2019
    Inventor: Wolf Zahn
  • Publication number: 20190001477
    Abstract: A hand-held power tool, in particular a drilling hammer and/or chisel hammer, that includes at least one housing, at least one handle, and at least one interface device for establishing an electrical and mechanical connection to at least one rechargeable battery pack. The hand-held power tool includes at least one damping unit that is provided for supporting the at least one handle relative to the at least one housing in a vibration-damped manner. The at least one interface device is situated on the at least one handle.
    Type: Application
    Filed: November 24, 2016
    Publication date: January 3, 2019
    Inventors: Andre Ullrich, Andreas Schlegel, Christian Lang, Stefan Holst, Marcin Rejman, Wolf Zahn, Florian Kneer
  • Patent number: 10109836
    Abstract: A rechargeable battery (1) for hand-guided electromechanical tools, having a plurality of rechargeable battery cells (10) which are electrically connected to one another by means of electrical cell connectors (110), wherein the electrical cell connectors (110) are fixed to a cell connection frame (120), which is provided on one pole side (19) of the rechargeable battery cells (10), for the purpose of simplified mounting of the electrical cell connectors (110) on the rechargeable battery cells (10). Furthermore, an electromechanical tool, in particular a cordless screwdriver, a drill, a circular saw, a jigsaw, a sander, a garden appliance, having a rechargeable battery (1) according to the invention.
    Type: Grant
    Filed: December 31, 2013
    Date of Patent: October 23, 2018
    Assignee: ROBERT BOSCH GMBH
    Inventor: Wolf Zahn
  • Publication number: 20170331083
    Abstract: A battery device, in particular a battery device for a hand-held power tool, is provided which includes at least one highly functional energy storage unit.
    Type: Application
    Filed: October 29, 2015
    Publication date: November 16, 2017
    Inventors: Anja Koenig, Chee Seng Loh, Constanze Sorhage, Thilo Koeder, Wolf Zahn
  • Patent number: D930574
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: September 14, 2021
    Assignee: Robert Bosch GmbH
    Inventors: Simone Schramm, Simon Buck, Wolf Zahn
  • Patent number: D930575
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: September 14, 2021
    Assignee: Robert Bosch GmbH
    Inventors: Simone Schramm, Simon Buck, Wolf Zahn