Patents by Inventor Manfred Lutz

Manfred Lutz 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: 9399275
    Abstract: A tool machine has a housing assembled by two separate housing parts and an air directing element arranged in the housing, wherein the air directing element is implemented independently from a connection device for connecting the housing parts. The air directing element is forced by a housing part axially in a seat in the other housing part, wherein in the transmission path between the housing parts and the air directing element a spring element is arranged.
    Type: Grant
    Filed: April 16, 2010
    Date of Patent: July 26, 2016
    Assignee: Robert Bosch GmbH
    Inventors: Florian Esenwein, Manfred Lutz, Thomas Schomisch
  • Patent number: 9393667
    Abstract: An angle grinder including at least one boost mode unit configured to provide a boost mode, and a switching-over unit configured to switch over between a conventional mode and the boost mode.
    Type: Grant
    Filed: February 21, 2014
    Date of Patent: July 19, 2016
    Assignee: Robert Bosch GmbH
    Inventors: Cornelius Boeck, Joachim Schadow, Joerg Maute, Florian Esenwein, Manfred Lutz, Daniel Barth
  • Patent number: 9373990
    Abstract: A carbon brush with a disconnection apparatus in a cavity in a brush body includes a disconnection body and a prestressed compression-spring body. The disconnection body consists of an electrically insulating material, and the prestressed compression-spring body is configured to act resiliently on the disconnection body. The compression-spring body is formed together with the disconnection body as a short component with a short axial length. In one embodiment, the compression-spring body is in the form of a spring with a plurality of spring turns which, at least in the prestressed, compressed state, are at least partially located one inside the other, shortening them.
    Type: Grant
    Filed: October 11, 2011
    Date of Patent: June 21, 2016
    Assignee: Robert Bosch GmbH
    Inventor: Manfred Lutz
  • Patent number: 9259831
    Abstract: A hand power tool includes a drive unit, an electronic unit, and a switching unit. The switching unit includes at least one actuating element configured to activate and deactivate the drive unit. The switching unit also includes at least one switching element configured to be positioned in at least one first switching position to set at least one first operating mode. The at least one switching element is also configured to be positioned in at least one second switching position to set at least one second operating mode.
    Type: Grant
    Filed: February 19, 2014
    Date of Patent: February 16, 2016
    Assignee: Robert Bosch GmbH
    Inventors: Cornelius Boeck, Joachim Schadow, Joerg Maute, Florian Esenwein, Manfred Lutz, Daniel Barth
  • Publication number: 20160036089
    Abstract: A heavy-duty hand-held power tool appliance includes at least one electric motor configured to drive a working tool and an energy storage unit configured to supply electricity to the at least one electric motor.
    Type: Application
    Filed: July 31, 2015
    Publication date: February 4, 2016
    Inventors: Manfred Lutz, Florian Esenwein, Joern Stock, Joerg Maute, Joachim Schadow, Daniel Barth, Cornelius Boeck
  • Patent number: 9248563
    Abstract: A machine tool having a drive motor includes an electronic unit and a switch for switching the drive motor on/off. An additional contact module is connected to the electronic unit, the drive motor being electrically connected only to the contact module. Also, the switch is connected to the contact module.
    Type: Grant
    Filed: November 22, 2010
    Date of Patent: February 2, 2016
    Assignee: Robert Bosch GmbH
    Inventors: Ralf Allner, Thilo Koeder, Florian Esenwein, Manfred Lutz, Achim Trick
  • Publication number: 20150328742
    Abstract: A hand-held power tool, in particular an angle grinder, having a drive unit, has an electronically commutated electric motor and has an electronics system which is integrated in an appliance housing. The ratio of a weight of the hand-held power tool MHWZM to a nominal power PN is selected in such a way that, in a power range of from 0 to 1200 W, the ratio of the weight of the hand-held power tool MHWXM to the nominal power PN is at most 0.75 g/W*PN+1200 g, and, at a value of the nominal power of greater than 1200 W, the ratio of the weight of the hand-held power tool to the nominal power is at most 2.2*PN?540 g.
    Type: Application
    Filed: December 9, 2013
    Publication date: November 19, 2015
    Inventors: Manfred Schuele, Helmut Wanek, Cornelius Boeck, Daniel Barth, Joachim Schadow, Joerg Maute, Florian Esenwein, Manfred Lutz
  • Patent number: 9168652
    Abstract: A hand-held power tool has a housing including at least two separate and interconnected housing parts, wherein one housing part forms a handle housing for holding and guiding the hand-held power tool. The handle housing includes a handle and a fastening component. The fastening component is connected to the other housing part and to the handle, and a vibration reduction element is arranged between the fastening component and the handle.
    Type: Grant
    Filed: April 15, 2010
    Date of Patent: October 27, 2015
    Assignee: Robert Bosch GmbH
    Inventors: Joachim Schadow, Joerg Maute, Manfred Lutz
  • Publication number: 20150290790
    Abstract: An electric power tool has a tool housing and a drive motor configured to drive an insert tool. The drive motor is switched on and off by an electric switch actuated by a switching device. The switching device has at least one switching slide with a first end and a second end. The first end has a receiver configured to receive an operating element. The second end is connected to an actuating element configured to actuate the electric switch. The receiver has a first region that tapers into a second region. The operating element has a connecting web connected to a holding element. The holding element has an extent that is less than or equal to an assigned extent of the first region. The connecting web has an extent that is less than or equal to an assigned extent of the second region.
    Type: Application
    Filed: March 11, 2015
    Publication date: October 15, 2015
    Inventors: Thomas Schomisch, Manfred Lutz
  • Patent number: 9123478
    Abstract: A power tool switching device, in particular for portable power tools, includes at least one switching unit having at least one movably mounted control element configured to actuate a mechanical, electrical and/or electronic switching element. The power tool switching device further includes at least one guide unit, which, upon an actuation of the control element along a direction of main extent of the control element, is configured to convert a movement of the control element along the direction of main extent at least into a movement of the control element running transversely in relation to the direction of main extent.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: September 1, 2015
    Assignee: Robert Bosch GmbH
    Inventors: Florian Esenwein, Manfred Lutz, Thomas Schomisch, Achim Trick
  • Patent number: 9114514
    Abstract: A rotary power tool operable in either an impact mode or a drill mode comprising a driveshaft (10), an output shaft (32), a hammer (18) coupled to the driveshaft (10) for transmitting torque to the output shaft (32), and a blocking member (40, 74) which is in a first position wherein it blocks the hammer (18) from moving axially along the rotational axis (37) of the tool when the power tool operates in the drill mode and is in a second position wherein it allows the hammer (18) to move axially along the rotational axis (37) of the tool when the power tool operates in the impact mode, wherein the blocking member (40, 74) is supported by the driveshaft (10).
    Type: Grant
    Filed: December 4, 2007
    Date of Patent: August 25, 2015
    Assignee: ROBERT BOSCH GMBH
    Inventors: Chi Hoe Leong, Mohsein Wan, Siew Yuen Lee, Manfred Lutz
  • Publication number: 20150209950
    Abstract: A handheld power tool includes at least one housing unit, at least one tool receptacle, at least one operating unit that has at least one operating element, and at least one electrical and/or electronic indication unit. The indication unit has at least one at least partially circumferentially arranged indication element that is configured to indicate at least one handheld power tool characteristic variable. The indication element in one embodiment is arranged on the housing unit in a region between the operating element the tool receptacle The indication element in another embodiment is arranged at least substantially adjacent to the operating element.
    Type: Application
    Filed: January 27, 2015
    Publication date: July 30, 2015
    Inventors: Manfred Lutz, Florian Esenwein, Joern Stock, Joerg Maute, Joachim Schadow, Daniel Barth, Cornelius Boeck
  • Publication number: 20150209951
    Abstract: A handheld power tool includes at least one housing unit that has at least one housing element, at least one further housing element, and at least one housing connecting element that connects the housing element and the further housing element to one another. The handheld power tool also includes at least one electrical and/or electronic indication unit that has at least one at least partially circumferentially arranged indication element configured to indicate at least one handheld power tool characteristic variable. The indication element is formed at least partially integrally with the housing connecting element.
    Type: Application
    Filed: January 27, 2015
    Publication date: July 30, 2015
    Inventors: Manfred Lutz, Florian Esenwein, Joern Stock, Joerg Maute, Joachim Schadow, Daniel Barth, Cornelius Boeck
  • Publication number: 20150167760
    Abstract: A machine tool deceleration device, in particular a hand-held machine tool deceleration device, for a portable machine tool, includes at least one magnetic deceleration unit. The magnetic deceleration unit includes at least one movably mounted claw segment element that is configured to change at least one parameter of a magnetic field of the magnetic deceleration unit.
    Type: Application
    Filed: April 15, 2013
    Publication date: June 18, 2015
    Inventors: Anton Paweletz, Sebastian Laber, Florian Esenwein, Manfred Lutz
  • Publication number: 20140370791
    Abstract: A hand-held power tool comprises an electromotive drive that is configured to drive an output shaft and that is positioned in a first housing part, wherein the electromotive drive and the output shaft define a common first axis. The hand-held power tool further comprises an electronic system that is configured to energize the electromotive drive and that is positioned in a second housing part. The second housing part is elongated and includes a grip that is distal from the electromotive drive. The second housing part defines a second axis that is at an angle to the first axis between 60° and 120°.
    Type: Application
    Filed: June 9, 2014
    Publication date: December 18, 2014
    Inventors: Manfred Lutz, Florian Esenwein, Joerg Maute, Joachim Schadow, Daniel Barth, Cornelius Boeck, Helmut Wanek, Manfred Schuele
  • Publication number: 20140285971
    Abstract: A hand power tool, in particular an angle grinder, includes a drive unit, an electronic unit, and a cooling device configured, at least partially, to cool the drive unit and/or the electronic unit. The cooling device includes at least one cooling unit configured, at least partially, for localized cooling.
    Type: Application
    Filed: March 20, 2014
    Publication date: September 25, 2014
    Applicant: Robert Bosch GmbH
    Inventors: Manfred Schuele, Helmut Wanek, Cornelius Boeck, Joachim Schadow, Joerg Maute, Florian Esenwein, Manfred Lutz, Daniel Barth
  • Publication number: 20140242887
    Abstract: A hand power tool includes a drive unit, an electronic unit, and a cooling device configured to cool at least one of the drive unit and the electronic unit. The hand power tool also includes at least one of an open-loop control unit and a closed-loop control unit configured to control the cooling device.
    Type: Application
    Filed: February 12, 2014
    Publication date: August 28, 2014
    Applicant: Robert Bosch GmbH
    Inventors: Manfred Schuele, Helmut Wanek, Cornelius Boeck, Joachim Schadow, Joerg Maute, Florian Esenwein, Manfred Lutz, Daniel Barth
  • Publication number: 20140242889
    Abstract: An angle grinder including at least one ECO mode unit configured to provide an ECO mode and at least one functional device configured to make available a function of the angle grinder that is at least partially essential for an operating state.
    Type: Application
    Filed: February 21, 2014
    Publication date: August 28, 2014
    Applicant: Robert Bosch GmbH
    Inventors: Manfred Schuele, Helmut Wanek, Cornelius Boeck, Joachim Schadow, Joerg Maute, Florian Esenwein, Manfred Lutz, Daniel Barth
  • Publication number: 20140242888
    Abstract: A hand power tool includes a drive unit, an electronic unit, and a switching unit. The switching unit includes at least one actuating element configured to activate and deactivate the drive unit. The switching unit also includes at least one switching element configured to be positioned in at least one first switching position to set at least one first operating mode. The at least one switching element is also configured to be positioned in at least one second switching position to set at least one second operating mode.
    Type: Application
    Filed: February 19, 2014
    Publication date: August 28, 2014
    Applicant: Robert Bosch GmbH
    Inventors: Cornelius Boeck, Joachim Schadow, Joerg Maute, Florian Esenwein, Manfred Lutz, Daniel Barth
  • Publication number: 20140242890
    Abstract: An angle grinder including at least one boost mode unit configured to provide a boost mode, and a switching-over unit configured to switch over between a conventional mode and the boost mode.
    Type: Application
    Filed: February 21, 2014
    Publication date: August 28, 2014
    Applicant: Robert Bosch GmbH
    Inventors: Cornelius Boeck, Joachim Schadow, Joerg Maute, Florian Esenwein, Manfred Lutz, Daniel Barth