Patents by Inventor Marcus Schuller
Marcus Schuller 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).
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Patent number: 11969911Abstract: 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: GrantFiled: February 11, 2021Date of Patent: April 30, 2024Assignee: Robert Bosch GmbHInventors: Willi Fellmann, Bruno Luescher, Andreas Zurbruegg, Aldo Di Nicolantonio, Bruno Sinzig, Laurent Quebatte, Marcus Schuller
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Patent number: 11717935Abstract: A quick-clamping device for a portable machine tool, in particular for an angle grinder, includes at least one clamping unit and at least one control unit. The clamping unit includes at least one clamping element mounted movably with respect to a movement axis of the clamping unit so that the clamping unit is configured for tool-free fixing of an insertion tool unit to an output shaft of the portable machine tool. The control unit includes at least one movably mounted control element configured to actuate the clamping unit. The control element is mounted at least in a translatory and/or pivotable manner and is configured to transfer the clamping unit from a clamping position into a release position according to a movement of the control element.Type: GrantFiled: July 5, 2018Date of Patent: August 8, 2023Assignee: Robert Bosch GmbHInventors: Bruno Luescher, Andreas Zurbruegg, Bruno Sinzig, Marcus Schuller
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Patent number: 11607772Abstract: A quick clamping device for a portable machine tool includes at least one drive shaft, at least one clamping unit, and at least one operating unit. The clamping unit has, for tool-less fastening of an insertion tool on the drive shaft, at least one clamping element for exerting a clamping force on the insertion tool in a clamping position. The operating unit is configured to move the clamping element into a release position, and includes at least one operating element, in particular an operating lever. The operating element has at least one activation surface for movement of the clamping element into the release position. The activation surface is arranged such that at least one force initiation point of the operating element is movable, upon interaction with a contact surface of an actuating element of the operating unit, as a factor of movement of the operating element on the contact surface.Type: GrantFiled: October 4, 2017Date of Patent: March 21, 2023Assignee: Robert Bosch GmbHInventors: Bruno Luescher, Andreas Zurbruegg, David Winistoerfer, Alexander Wuensche, Marcus Schuller
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Publication number: 20210221021Abstract: 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: ApplicationFiled: February 11, 2021Publication date: July 22, 2021Inventors: Willi Fellmann, Bruno Luescher, Andreas Zurbruegg, Aldo Di Nicolantonio, Bruno Sinzig, Laurent Quebatte, Marcus Schuller
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Patent number: 11052564Abstract: 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: GrantFiled: August 10, 2017Date of Patent: July 6, 2021Assignee: Robert Bosch GmbHInventors: Willi Fellmann, Bruno Luescher, Andreas Zurbruegg, Aldo Di Nicolantonio, Bruno Sinzig, Laurent Quebatte, Marcus Schuller
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Patent number: 10828742Abstract: A quick tensioning device for a portable machine tool, in particular for an angle grinding machine, includes at least one output shaft which can be rotated, at least one clamping unit that is at least partly arranged in the output shaft and has at least one clamping element, which is movably mounted at least about and/or along a movement axis of the clamping unit, for fixing an insert tool unit to the output shaft without tools, and at least one torque transmission unit for transmitting a torque to the insert tool unit when the insert tool unit is arranged on the output shaft, said torque transmission unit having at least one torque transmission element which is formed separately from the output shaft. The quick tensioning device includes at least one securing unit at least for securing the torque transmission element to the output shaft in a rotationally fixed manner.Type: GrantFiled: August 18, 2017Date of Patent: November 10, 2020Assignee: Robert Bosch GmbHInventors: Bruno Luescher, Andreas Zurbruegg, Bruno Sinzig, Marcus Schuller
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Publication number: 20200164485Abstract: A quick clamping device for a portable power tool, in particular an angle grinder, includes an output shaft that is configured to be driven in rotation and at least one clamping unit that is configured to fix an application tool unit to the output shaft without tools. The clamping unit has at least one movably mounted clamping element configured to apply a clamping force to the application tool unit in a clamping position of the clamping element. The clamping element is formed by a positive-locking element that is movable transversely to an axis of rotation of the output shaft and is configured to engage behind at least a subregion of the application tool unit in a positive-locking manner so as to secure the application tool unit.Type: ApplicationFiled: July 31, 2018Publication date: May 28, 2020Inventors: Bruno Sinzig, Andreas Zurbruegg, Marcus Schuller, Bruno Luescher
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Publication number: 20200114490Abstract: A protective device for a hand-held power tool, in particular an angle grinder, includes a machine housing, a protective hood, and a securing element. The machine housing has a flange neck that surrounds an output shaft that defines an output axis. The protective hood has a protective hood collar. The securing element is formed as a securing ring that is configured, in at least one operating state, to prevent the protective hood from twisting relative to the machine housing. The machine housing is configured to be detachably connected to one or more of the protective hood and the securing element. The securing ring has a thread, in particular an internal thread, which in at least one connection state is configured to movably mount and hold the protective hood in an axial direction of the output axis relative to the flange neck.Type: ApplicationFiled: July 26, 2018Publication date: April 16, 2020Inventors: Sinisa Andrasic, Jakob Meier, Marcus Schuller
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Publication number: 20200094373Abstract: A quick-clamping device for a portable machine tool, in particular for an angle grinder, includes at least one clamping unit and at least one control unit. The clamping unit includes at least one clamping element mounted movably with respect to a movement axis of the clamping unit so that the clamping unit is configured for tool-free fixing of an insertion tool unit to an output shaft of the portable machine tool. The control unit includes at least one movably mounted control element configured to actuate the clamping unit. The control element is mounted at least in a translatory and/or pivotable manner and is configured to transfer the clamping unit from a clamping position into a release position according to a movement of the control element.Type: ApplicationFiled: July 5, 2018Publication date: March 26, 2020Inventors: Bruno Luescher, Andreas Zurbruegg, Bruno Sinzig, Marcus Schuller
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Publication number: 20190262970Abstract: A quick clamping device for a portable machine tool includes at least one drive shaft, at least one clamping unit, and at least one operating unit. The clamping unit has, for tool-less fastening of an insertion tool on the drive shaft, at least one clamping element for exerting a clamping force on the insertion tool in a clamping position. The operating unit is configured to move the clamping element into a release position, and includes at least one operating element, in particular an operating lever. The operating element has at least one activation surface for movement of the clamping element into the release position. The activation surface is arranged such that at least one force initiation point of the operating element is movable, upon interaction with a contact surface of an actuating element of the operating unit, as a factor of movement of the operating element on the contact surface.Type: ApplicationFiled: October 4, 2017Publication date: August 29, 2019Inventors: Bruno Luescher, Andreas Zurbruegg, David Winistoerfer, Alexander Wuensche, Marcus Schuller
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Publication number: 20190202027Abstract: 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: ApplicationFiled: August 10, 2017Publication date: July 4, 2019Inventors: Willi Fellmann, Bruno Luescher, Aldo Di Nicolantonio, Andreas Zurbruegg, Bruno Sinzig, Laurent Quebatte, Marcus Schuller
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Publication number: 20190193235Abstract: A quick tensioning device for a portable machine tool, in particular for an angle grinding machine, includes at least one output shaft which can be rotated, at least one clamping unit that is at least partly arranged in the output shaft and has at least one clamping element, which is movably mounted at least about and/or along a movement axis of the clamping unit, for fixing an insert tool unit to the output shaft without tools, and at least one torque transmission unit for transmitting a torque to the insert tool unit when the insert tool unit is arranged on the output shaft, said torque transmission unit having at least one torque transmission element which is formed separately from the output shaft. The quick tensioning device includes at least one securing unit at least for securing the torque transmission element to the output shaft in a rotationally fixed manner.Type: ApplicationFiled: August 18, 2017Publication date: June 27, 2019Inventors: Bruno Luescher, Andreas Zurbruegg, Bruno Sinzig, Marcus Schuller
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Publication number: 20190184595Abstract: 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: ApplicationFiled: August 10, 2017Publication date: June 20, 2019Inventors: Willi Fellmann, Bruno Luescher, Andreas Zurbruegg, Aldo Di Nicolantonio, Bruno Sinzig, Laurent Quebatte, Marcus Schuller
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Patent number: 8822845Abstract: The invention relates to a cable sleeve for guiding a cable in the inlet and outlet region of a hand-held tool. An end of the cable sleeve on the housing side is connected to the housing in a fixable manner, particularly in a form-fitting manner, so that advantageously no dust, dirt, or water may enter between the cable sleeve and the cable. According to the invention the cable sleeve has preferably a radial sealing element which corresponds to the cable and/or the housing in a sealing manner.Type: GrantFiled: April 24, 2009Date of Patent: September 2, 2014Assignee: Robert Bosch GmbHInventors: Justus Lamprecht, Sinisa Andrasic, Marcus Schuller
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Patent number: 8678105Abstract: A plug arrangement in a machine tool comprises a primary plug part, which is associated with a drive motor, and a secondary plug part. According to the invention the primary and secondary plug parts are assembled to form a common plug part.Type: GrantFiled: March 19, 2009Date of Patent: March 25, 2014Assignee: Robert Bosch GmbHInventors: Michael Habele, Marcus Schuller
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Patent number: 8584771Abstract: A machine tool, in particular a powered hand tool, has an electric drive motor to which pole shoes are assigned in order to conduct a magnetic field. Furthermore, a fan wheel is provided in order to produce a stream of cooling air. In the housing, an air-guiding element forms a portion of the flow path for the stream of cooling air. According to the invention, the air-guiding element at least partially covers the pole shoes.Type: GrantFiled: March 13, 2009Date of Patent: November 19, 2013Assignee: Robert Bosch GmbHInventors: Rainer Vollmer, Marcus Schuller
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Publication number: 20130209017Abstract: An armature shaft bearing unit, particularly for an angle grinding machine, includes at least one damping element configured to damp vibrations of an armature shaft. The armature shaft bearing unit further includes at least one movement limiting element configured to limit a movement of the armature shaft in at least one damping direction of the at least one damping element.Type: ApplicationFiled: April 27, 2011Publication date: August 15, 2013Applicant: Robert Bosch GmbHInventors: Joachim Schadow, Sinisa Andrasic, Marcus Schuller
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Patent number: 8453757Abstract: An adapter part for a machine tool is designed to be inserted between two housing parts and includes an adapter connection element that corresponds to a housing connection element on a housing part.Type: GrantFiled: March 25, 2009Date of Patent: June 4, 2013Assignee: Robert Bosch GmbHInventors: Justus Lamprecht, Sinisa Andrasic, Marcus Schuller
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Publication number: 20120305279Abstract: A hand power tool device includes at least one drive shaft, a drive motor, an insert tool fixing means, and at least one bearing unit which is provided for bearing the drive shaft on a side of the drive motor, said side facing away from the insert tool fixing means. The hand power tool device also includes a sealing device which is provided for sealing at least one region which lies axially adjacent to the bearing unit and which lies on a side of the bearing unit, said side facing away from the insert tool fixing mean. The sealing device has at least one sealing element which is designed separately from the bearing unit.Type: ApplicationFiled: November 23, 2010Publication date: December 6, 2012Applicant: Robert Bosch GmbHInventors: Joachim Schadow, Sinisa Andrasic, Marcus Schuller
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Patent number: 8082634Abstract: The invention describes a handle for a hand-held machine tool comprising a grip element (20) and a fastening element (10) for fastening the handle to a housing of a hand-held machine tool, wherein the fastening element (10) partially protrudes into the grip element (20) and a damping element (30) is provided between the grip element (20) and the fastening element (10), and wherein the fastening element (10) forms an undercut (12, 15) in the grip element (20).Type: GrantFiled: October 1, 2007Date of Patent: December 27, 2011Assignee: Robert Bosch GmbHInventors: Mario Frank, Ulrich Mueller-Boysen, Joachim Schadow, Juergen Wiker, Siegfried Keusch, Tobias Herr, Marcus Schuller