Patents by Inventor Willi FELLMANN

Willi FELLMANN 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: 11980947
    Abstract: A power tool, in particular a hand-held power tool, includes a tool-holding device that rotates about an output axis. The tool-holding device is configured to hold a tool device on the power tool such that the output axis and a tool rotation axis substantially coincide. The tool-holding device has at least a driver device and a clamping device that is movable relative to the driver device. To transfer a driving force to the tool device, the driver device has at least one torque transfer region that is arranged at a distance from the output axis. The driver device and the clamping device are configured to reach through a cut-out of the tool device, which cut-out extends through the entire material thickness of the tool device, and to clamp the tool device via the clamping device, which is movable substantially in a direction radial to the output axis.
    Type: Grant
    Filed: August 10, 2017
    Date of Patent: May 14, 2024
    Assignee: Robert Bosch GmbH
    Inventors: Willi Fellmann, Bruno Luescher, Aldo Di Nicolantonio, Andreas Zurbruegg, Bruno Sinzig, Laurent Quebatte, Marcus Schuller
  • Patent number: 11969911
    Abstract: A tool device for a hand-held power tool, which can be operated such that the tool device is rotated about an output shaft of a tool-holding device, has at least one connecting device, which is detachably connected to an output shaft of the power tool. The connecting device is fastened to the tool-holding device so that a drive axis of the output shaft and a tool axis of rotation substantially coincide. The connecting device has a cut-out and at least one clamping wing, which at least partly bounds the cut-out in the radial direction of the tool axis of rotation and which is bounded substantially in the direction radial to the tool axis of rotation by a first bounding edge, which lies on a first bounding circle around the tool axis of rotation. The clamping wing extends at least substantially along a plane orthogonal to the tool axis of rotation.
    Type: Grant
    Filed: February 11, 2021
    Date of Patent: April 30, 2024
    Assignee: Robert Bosch GmbH
    Inventors: Willi Fellmann, Bruno Luescher, Andreas Zurbruegg, Aldo Di Nicolantonio, Bruno Sinzig, Laurent Quebatte, Marcus Schuller
  • Publication number: 20230286059
    Abstract: The invention relates to a tool device which is suitable for use with a machine tool, in particular a hand guided machine tool, having a driving device moving, in particular in an oscillating manner, around a driving axis. The tool device has an attachment device which allows it to be fastened on a machine tool such that its driving axis and an axis of rotation of the tool substantially coincide. The attachment device, for absorbing the driving force, has at least two driving area regions, which are spaced apart from said tool axis of rotation and each has a plurality of surface points. The tangent planes to said surface-area points are inclined in regard to an axial plane, which encloses the tool axis of rotation. Furthermore, said tangent planes are inclined regard to a radial plane which extends perpendicularly to the tool axis of rotation. This means that the torque introduced into the tool device by the machine tool, via the driving device, is reliably absorbed.
    Type: Application
    Filed: February 27, 2023
    Publication date: September 14, 2023
    Inventors: Olaf Klabunde, Juergen Blickle, Walter Thomaschewski, Fabian Bek, Stefano Delfini, Willi Fellmann, Bruno Luescher, Milan Bozic, Thomas Mathys, Daniel Grolimund
  • Patent number: 11590584
    Abstract: The invention relates to a tool device which is suitable for use with a machine tool, in particular a hand guided machine tool, having a driving device moving, in particular in an oscillating manner, around a driving axis. The tool device has an attachment device which allows it to be fastened on a machine tool such that its driving axis and an axis of rotation of the tool substantially coincide. The attachment device, for absorbing the driving force, has at least two driving area regions, which are spaced apart from said tool axis of rotation and each has a plurality of surface points. The tangent planes to said surface-area points are inclined in regard to an axial plane, which encloses the tool axis of rotation. Furthermore, said tangent planes are inclined regard to a radial plane which extends perpendicularly to the tool axis of rotation. This means that the torque introduced into the tool device by the machine tool, via the driving device, is reliably absorbed.
    Type: Grant
    Filed: October 19, 2020
    Date of Patent: February 28, 2023
    Assignees: C. & E. FEIN GMBH, Robert Bosch GmbH
    Inventors: Olaf Klabunde, Juergen Blickle, Walter Thomaschewski, Fabian Bek, Stefano Delfini, Willi Fellmann, Bruno Luescher, Milan Bozic, Thomas Mathys, Daniel Grolimund
  • Publication number: 20210220923
    Abstract: The invention relates to a machine tool, in particular a hand held machine tool, which has a tool receiving device that is movable, in particular in an oscillating manner, around an output shaft. The tool receiving device is designed to hold a tool device on the machine tool in such a manner that the output shaft and a tool rotation axis substantially coincide. The tool receiving device has at least one torque transmission region and a holding device. In order to transmit a driving force to the tool device, the torque transmission region has at least two output area regions that are arranged at a distance from said output shaft and each have a multiplicity of surface points. Here, the tangent planes to said surface points are inclined in regard to an axial plane which includes said output shaft. Furthermore, the tangent planes are inclined in regard to a radial plane which extends perpendicularly to the output shaft.
    Type: Application
    Filed: April 2, 2021
    Publication date: July 22, 2021
    Inventors: Olaf KLABUNDE, Juergen BLICKLE, Walter THOMASCHEWSKI, Fabian BEK, Stefano DELFINI, Willi FELLMANN, Bruno LUESCHER, Milan BOZIC, Thomas MATHYS, Daniel GROLIMUND
  • Publication number: 20210221021
    Abstract: A tool device for a hand-held power tool, which can be operated such that the tool device is rotated about an output shaft of a tool-holding device, has at least one connecting device, which is detachably connected to an output shaft of the power tool. The connecting device is fastened to the tool-holding device so that a drive axis of the output shaft and a tool axis of rotation substantially coincide. The connecting device has a cut-out and at least one clamping wing, which at least partly bounds the cut-out in the radial direction of the tool axis of rotation and which is bounded substantially in the direction radial to the tool axis of rotation by a first bounding edge, which lies on a first bounding circle around the tool axis of rotation. The clamping wing extends at least substantially along a plane orthogonal to the tool axis of rotation.
    Type: Application
    Filed: February 11, 2021
    Publication date: July 22, 2021
    Inventors: Willi Fellmann, Bruno Luescher, Andreas Zurbruegg, Aldo Di Nicolantonio, Bruno Sinzig, Laurent Quebatte, Marcus Schuller
  • Patent number: 11052564
    Abstract: A tool device for a hand-held power tool, which can be operated such that the tool device is rotated about an output shaft of a tool-holding device, has at least one connecting device, which is detachably connected to an output shaft of the power tool. The connecting device is fastened to the tool-holding device so that a drive axis of the output shaft and a tool axis of rotation substantially coincide. The connecting device has a cut-out and at least one clamping wing, which at least partly bounds the cut-out in the radial direction of the tool axis of rotation and which is bounded substantially in the direction radial to the tool axis of rotation by a first bounding edge, which lies on a first bounding circle around the tool axis of rotation. The clamping wing extends at least substantially along a plane orthogonal to the tool axis of rotation.
    Type: Grant
    Filed: August 10, 2017
    Date of Patent: July 6, 2021
    Assignee: Robert Bosch GmbH
    Inventors: Willi Fellmann, Bruno Luescher, Andreas Zurbruegg, Aldo Di Nicolantonio, Bruno Sinzig, Laurent Quebatte, Marcus Schuller
  • Patent number: 10967435
    Abstract: The invention relates to a machine tool, in particular a hand held machine tool, which has a tool receiving device that is movable, in particular in an oscillating manner, around an output shaft. The tool receiving device is designed to hold a tool device on the machine tool in such a manner that the output shaft and a tool rotation axis substantially coincide. The tool receiving device has at least one torque transmission region and a holding device. In order to transmit a driving force to the tool device, the torque transmission region has at least two output area regions that are arranged at a distance from said output shaft and each have a multiplicity of surface points. Here, the tangent planes to said surface points are inclined in regard to an axial plane which includes said output shaft. Furthermore, the tangent planes are inclined in regard to a radial plane which extends perpendicularly to the output shaft.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: April 6, 2021
    Assignees: C. & E. FEIN GMBH, ROBERT BOSCH GMBH
    Inventors: Olaf Klabunde, Juergen Blickle, Walter Thomaschewski, Fabian Bek, Stefano Delfini, Willi Fellmann, Bruno Luescher, Milan Bozic, Thomas Mathys, Daniel Grolimund
  • Publication number: 20210031273
    Abstract: The invention relates to a tool device which is suitable for use with a machine tool, in particular a hand guided machine tool, having a driving device moving, in particular in an oscillating manner, around a driving axis. The tool device has an attachment device which allows it to be fastened on a machine tool such that its driving axis and an axis of rotation of the tool substantially coincide. The attachment device, for absorbing the driving force, has at least two driving area regions, which are spaced apart from said tool axis of rotation and each has a plurality of surface points. The tangent planes to said surface-area points are inclined in regard to an axial plane, which encloses the tool axis of rotation. Furthermore, said tangent planes are inclined regard to a radial plane which extends perpendicularly to the tool axis of rotation. This means that the torque introduced into the tool device by the machine tool, via the driving device, is reliably absorbed.
    Type: Application
    Filed: October 19, 2020
    Publication date: February 4, 2021
    Inventors: Olaf KLABUNDE, Juergen BLICKLE, Walter THOMASCHEWSKI, Fabian BEK, Stefano DELFINI, Willi FELLMANN, Bruno LUESCHER, Milan BOZIC, Thomas MATHYS, Daniel GROLIMUND
  • Patent number: 10807170
    Abstract: The invention relates to a tool device which is suitable for use with a machine tool, in particular a hand guided machine tool, having a driving device moving, in particular in an oscillating manner, around a driving axis. The tool device has an attachment device which allows it to be fastened on a machine tool such that its driving axis and an axis of rotation of the tool substantially coincide. The attachment device, for absorbing the driving force, has at least two driving area regions, which are spaced apart from said tool axis of rotation and each has a plurality of surface points. The tangent planes to said surface-area points are inclined in regard to an axial plane, which encloses the tool axis of rotation. Furthermore, said tangent planes are inclined regard to a radial plane which extends perpendicularly to the tool axis of rotation. This means that the torque introduced into the tool device by the machine tool, via the driving device, is reliably absorbed.
    Type: Grant
    Filed: July 9, 2018
    Date of Patent: October 20, 2020
    Assignees: C. & E. FEIN GMBH, ROBERT BOSCH GMBH
    Inventors: Olaf Klabunde, Juergen Blickle, Walter Thomaschewski, Fabian Bek, Stefano Delfini, Willi Fellmann, Bruno Luescher, Milan Bozic, Thomas Mathys, Daniel Grolimund
  • Patent number: 10471518
    Abstract: The invention relates to a machine tool, in particular a hand held machine tool, which has a tool-accommodating device which can be moved, in particular in oscillating fashion, about a drive axis, in order to retain a tool device on the machine tool. The tool-accommodating device has at least one clamping device, at least one retaining device and at least one locking device. The retaining device can be moved from at least one first, open position into at least one second, closed position. It is also the case that the retaining device can be forced by a clamping force, by way of the clamping device, preferably in the closing direction from said first, open position in the direction of said second, closed position. The locking device can be moved between at least one first, locking position and at least one second, unlocking position. It is possible here for said locking device to block movement of the retaining device in at least one locking position.
    Type: Grant
    Filed: July 25, 2014
    Date of Patent: November 12, 2019
    Assignees: C. & E. FEIN GMBH, ROBERT BOSCH GMBH
    Inventors: Olaf Klabunde, Juergen Blickle, Walter Thomaschewski, Fabian Bek, Stefano Delfini, Willi Fellmann, Bruno Luescher, Milan Bozic, Thomas Mathys, Daniel Grolimund
  • Publication number: 20190202027
    Abstract: A power tool, in particular a hand-held power tool, includes a tool-holding device that rotates about an output axis. The tool-holding device is configured to hold a tool device on the power tool such that the output axis and a tool rotation axis substantially coincide. The tool-holding device has at least a driver device and a clamping device that is movable relative to the driver device. To transfer a driving force to the tool device, the driver device has at least one torque transfer region that is arranged at a distance from the output axis. The driver device and the clamping device are configured to reach through a cut-out of the tool device, which cut-out extends through the entire material thickness of the tool device, and to clamp the tool device via the clamping device, which is movable substantially in a direction radial to the output axis.
    Type: Application
    Filed: August 10, 2017
    Publication date: July 4, 2019
    Inventors: Willi Fellmann, Bruno Luescher, Aldo Di Nicolantonio, Andreas Zurbruegg, Bruno Sinzig, Laurent Quebatte, Marcus Schuller
  • Publication number: 20190184595
    Abstract: A tool device for a hand-held power tool, which can be operated such that the tool device is rotated about an output shaft of a tool-holding device, has at least one connecting device, which is detachably connected to an output shaft of the power tool. The connecting device is fastened to the tool-holding device so that a drive axis of the output shaft and a tool axis of rotation substantially coincide. The connecting device has a cut-out and at least one clamping wing, which at least partly bounds the cut-out in the radial direction of the tool axis of rotation and which is bounded substantially in the direction radial to the tool axis of rotation by a first bounding edge, which lies on a first bounding circle around the tool axis of rotation. The clamping wing extends at least substantially along a plane orthogonal to the tool axis of rotation.
    Type: Application
    Filed: August 10, 2017
    Publication date: June 20, 2019
    Inventors: Willi Fellmann, Bruno Luescher, Andreas Zurbruegg, Aldo Di Nicolantonio, Bruno Sinzig, Laurent Quebatte, Marcus Schuller
  • Publication number: 20190039145
    Abstract: The invention relates to a tool device which is suitable for use with a machine tool, in particular a hand guided machine tool, having a driving device moving, in particular in an oscillating manner, around a driving axis. The tool device has an attachment device which allows it to be fastened on a machine tool such that its driving axis and an axis of rotation of the tool substantially coincide. The attachment device, for absorbing the driving force, has at least two driving area regions, which are spaced apart from said tool axis of rotation and each has a plurality of surface points. The tangent planes to said surface-area points are inclined in regard to an axial plane, which encloses the tool axis of rotation. Furthermore, said tangent planes are inclined regard to a radial plane which extends perpendicularly to the tool axis of rotation. This means that the torque introduced into the tool device by the machine tool, via the driving device, is reliably absorbed.
    Type: Application
    Filed: July 9, 2018
    Publication date: February 7, 2019
    Applicant: ROBERT BOSCH GMBH
    Inventors: Olaf KLABUNDE, Juergen BLICKLE, Walter THOMASCHEWSKI, Fabian BEK, Stefano DELFINI, Willi FELLMANN, Bruno LUESCHER, Milan BOZIC, Thomas MATHYS, Daniel GROLIMUND
  • Publication number: 20180311746
    Abstract: The invention relates to a machine tool, in particular a hand held machine tool, which has a tool receiving device that is movable, in particular in an oscillating manner, around an output shaft. The tool receiving device is designed to hold a tool device on the machine tool in such a manner that the output shaft and a tool rotation axis substantially coincide. The tool receiving device has at least one torque transmission region and a holding device. In order to transmit a driving force to the tool device, the torque transmission region has at least two output area regions that are arranged at a distance from said output shaft and each have a multiplicity of surface points. Here, the tangent planes to said surface points are inclined in regard to an axial plane which includes said output shaft. Furthermore, the tangent planes are inclined in regard to a radial plane which extends perpendicularly to the output shaft.
    Type: Application
    Filed: July 6, 2018
    Publication date: November 1, 2018
    Inventors: Olaf KLABUNDE, Juergen BLICKLE, Walter THOMASCHEWSKI, Fabian BEK, Stefano DELFINI, Willi FELLMANN, Bruno LUESCHER, Milan BOZIC, Thomas MATHYS, Daniel GROLIMUND
  • Patent number: 10065248
    Abstract: The invention relates to a tool device which is suitable for use with a machine tool, in particular a hand guided machine tool, having a driving device moving, in particular in an oscillating manner, around a driving axis. The tool device has an attachment device which allows it to be fastened on a machine tool such that its driving axis and an axis of rotation of the tool substantially coincide. The attachment device, for absorbing the driving force, has at least two driving area regions, which are spaced apart from said tool axis of rotation and each has a plurality of surface points. The tangent planes to said surface-area points are inclined in regard to an axial plane, which encloses the tool axis of rotation. Furthermore, said tangent planes are inclined regard to a radial plane which extends perpendicularly to the tool axis of rotation. This means that the torque introduced into the tool device by the machine tool, via the driving device, is reliably absorbed.
    Type: Grant
    Filed: July 25, 2014
    Date of Patent: September 4, 2018
    Assignees: C. & E. FEIN GMBH, ROBERT BOSCH GMBH
    Inventors: Olaf Klabunde, Juergen Blickle, Walter Thomaschewski, Fabian Bek, Stefano Delfini, Willi Fellmann, Bruno Luescher, Milan Bozic, Thomas Mathys, Daniel Grolimund
  • Patent number: 10052695
    Abstract: The invention relates to a machine tool, in particular a hand held machine tool, which has a tool receiving device that is movable, in particular in an oscillating manner, around an output shaft (2). The tool receiving device is designed to hold a tool device on the machine tool in such a manner that the output shaft and a tool rotation axis substantially coincide. The tool receiving device has at least one torque transmission region (9) and a holding device (4a, 4b). In order to transmit a driving force to the tool device, the torque transmission region has at least two output area regions (9a) that are arranged at a distance from said output shaft and each have a multiplicity of surface points. Here, the tangent planes to said surface points are inclined in regard to an axial plane which includes said output shaft. Furthermore, the tangent planes are inclined in regard to a radial plane which extends perpendicularly to the output shaft.
    Type: Grant
    Filed: July 25, 2014
    Date of Patent: August 21, 2018
    Assignees: C. & E. FEIN GMBH, ROBERT BOSCH GMBH
    Inventors: Olaf Klabunde, Juergen Blickle, Walter Thomaschewski, Fabian Bek, Stefano Delfini, Willi Fellmann, Bruno Luescher, Milan Bozic, Thomas Mathys, Daniel Grolimund
  • Publication number: 20160288288
    Abstract: The invention relates to a tool device which is suitable for use with a machine tool, in particular a hand guided machine tool, having a driving device moving, in particular in an oscillating manner, around a driving axis. The tool device has an attachment device which allows it to be fastened on a machine tool such that its driving axis and an axis of rotation of the tool substantially coincide. The attachment device, for absorbing the driving force, has at least two driving area regions, which are spaced apart from said tool axis of rotation and each has a plurality of surface points. The tangent planes to said surface-area points are inclined in regard to an axial plane, which encloses the tool axis of rotation. Furthermore, said tangent planes are inclined regard to a radial plane which extends perpendicularly to the tool axis of rotation. This means that the torque introduced into the tool device by the machine tool, via the driving device, is reliably absorbed.
    Type: Application
    Filed: July 25, 2014
    Publication date: October 6, 2016
    Inventors: Olaf KLABUNDE, Juergen BLICKLE, Walter THOMASCHEWSKI, Fabian BEK, Stefano DELFINI, Willi FELLMANN, Bruno LUESCHER, Milan BOZIC, Thomas MATHYS, Daniel GROLIMUND
  • Patent number: D789759
    Type: Grant
    Filed: February 19, 2016
    Date of Patent: June 20, 2017
    Assignee: Robert Bosch GmbH
    Inventors: Willi Fellmann, Milan Bozic
  • Patent number: D817139
    Type: Grant
    Filed: February 19, 2016
    Date of Patent: May 8, 2018
    Assignee: Robert Bosch GmbH
    Inventors: Willi Fellmann, Milan Bozic