Patents by Inventor Juergen Wiker

Juergen Wiker 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).

  • Publication number: 20140097048
    Abstract: A power tool brake mechanism, in particular a portable power tool brake mechanism, includes at least one mechanical brake unit that has at least one brake element mounted rotatably about a rotation axis and at least one actuating unit that has at least one movably mounted actuating element. The actuating unit is configured to activate and/or deactivate the brake unit. The power tool brake mechanism further includes at least one movement converting unit that has at least one movement converting element configured to convert a movement of the actuating element into a movement of a counter-brake element of the brake unit. The movement of the counter-brake element is at least in a direction that is different from a direction extending along the rotation axis of the brake element.
    Type: Application
    Filed: March 29, 2012
    Publication date: April 10, 2014
    Applicant: Robert Bosch GmbH
    Inventors: Juergen Wiker, Joachim Schadow, Joerg Maute, Florian Esenwein, Manfred Lutz
  • Publication number: 20140076678
    Abstract: A machine-tool braking device, particularly a hand-held machine-tool braking device, for a portable machine-tool includes at least one mechanical braking unit that has at least one braking element and at least one output unit that has at least one movably mounted output element. The braking element is formed by an encircling mechanism which at least partially encircles the output element in a state of operation.
    Type: Application
    Filed: March 12, 2012
    Publication date: March 20, 2014
    Applicant: Robert Bosch GmbH
    Inventors: Joachim Schadow, Manfred Lutz, Juergen Wiker, Joerg Maute, Florian Esenwein
  • Patent number: 8621970
    Abstract: A miter saw includes a base, a turntable rotatable in relation to the base and including a work piece support surface, a support assembly attached to the turntable, and a saw assembly attached to the support assembly and configured to cut a work piece supported on the turntable. A fence assembly includes an elongate fence body that extends along a first axis. The elongate fence body is supported by the base and positioned over the turntable. The fence body has a first connecting structure, and a fence insert defining an elongate work piece abutment surface and having a second connecting structure. The fence assembly is positionable in a first configuration and a second configuration. In the first configuration, the second connecting structure cooperates with the first connecting structure to secure the fence insert at a first position in relation to the fence body.
    Type: Grant
    Filed: January 3, 2011
    Date of Patent: January 7, 2014
    Assignee: Robert Bosch GmbH
    Inventors: Michael J. Lawlor, Juergen Wiker
  • Patent number: 8534378
    Abstract: The invention relates to a gearing, in particular for portable electric power tools, preferably for angle grinders, comprising an automatic locking device (6, 15). According to the invention, provision is made for damping elements (20) to be integrated in the locking device module.
    Type: Grant
    Filed: November 22, 2006
    Date of Patent: September 17, 2013
    Assignee: Robert Bosch GmbH
    Inventor: Juergen Wiker
  • Publication number: 20130195575
    Abstract: A power tool having a depth adjustment mechanism includes a motor housing, a support base for supporting the motor housing, and a depth adjustment member coupled to the support base and movable between two positions. The depth adjustment member in a first position contacts a surface portion of the motor housing and in a second position is distanced from the surface portion of the motor housing such that the movement of the depth adjustment member from the first position to the second position is in a direction parallel to a plane that is substantially tangent to the surface portion of the motor housing.
    Type: Application
    Filed: December 21, 2009
    Publication date: August 1, 2013
    Applicant: Robert Bosch Tool Corporation
    Inventors: Ke Cui, Hepeng Zhang, Shuo Teng, Bing Zhu, Juergen Wiker
  • Publication number: 20130174705
    Abstract: A guide assembly in one embodiment includes at least one guide rigidly supported by a table saw, a bearing assembly including a first, a second, and a third bearing engaged with the at least one guide, and a fence base assembly supported by the bearing assembly, wherein the first and the second bearings are biased in a first direction with respect to the at least one guide and the third bearing is biased in a second direction with respect to the at least one guide, the second direction at least partially opposite to the first direction.
    Type: Application
    Filed: January 5, 2012
    Publication date: July 11, 2013
    Applicants: ROBERT BOSCH GMBH, ROBERT BOSCH TOOL CORPORATION
    Inventors: Eric Hendrickson, Juergen Wiker, Brian Taylor
  • Publication number: 20130104714
    Abstract: A power tool includes a table structure defining a blade slot, a blade positioned within the blade slot, a motor assembly to rotate the blade, and a dust chute assembly. The dust chute assembly surrounds at least a portion of the blade and includes a plenum for receiving airflow scavenged from operation of the motor assembly and redirects the airflow to convey dust and debris from operation of the blade to a discharge outlet.
    Type: Application
    Filed: October 31, 2011
    Publication date: May 2, 2013
    Applicants: Robert Bosch GmbH, Robert Bosch Tool Corporation
    Inventors: Ralph Dammertz, Juergen Wiker
  • Publication number: 20130092004
    Abstract: A table saw assembly in one embodiment includes a base portion with a base work piece support surface defining a support plane and a saw blade opening defined in the base work piece support surface, a saw assembly, a first extension and a first sliding support assembly. The saw assembly includes a saw blade positionable to extend upwardly through the saw blade opening. The first extension includes a first extension work piece support surface pivotable with respect to the base portion between a first position and a second position. In the first position, the first extension work piece support surface is coplanar with the base work piece support surface. In the second position, the first extension work piece support surface is located above the support plane. The first sliding support assembly is movable along the support plane and is configured to support the first extension in the first position.
    Type: Application
    Filed: October 14, 2011
    Publication date: April 18, 2013
    Applicants: ROBERT BOSCH GMBH, ROBERT BOSCH TOOL CORPORATION
    Inventors: Juergen Wiker, Ralph Dammertz
  • Publication number: 20130092002
    Abstract: A table saw assembly in one embodiment includes a base portion, a saw blade opening, a saw assembly and a first extension. The base portion includes a base work piece support surface which defines a support plane. The saw blade opening is defined in the base work piece support surface. The saw assembly includes a saw blade which is positionable to extend upwardly through the saw blade opening. The first extension includes a first extension work piece support surface which is pivotable with respect to the base portion between a first position and a second position. In the first position, the first extension work piece support surface is coplanar with the base work piece support surface. In the second position, the first extension work piece support surface is located above the support plane.
    Type: Application
    Filed: October 14, 2011
    Publication date: April 18, 2013
    Applicants: ROBERT BOSCH GMBH, ROBERT BOSCH TOOL CORPORATION
    Inventors: Juergen Wiker, Ralph Dammertz
  • Publication number: 20130092005
    Abstract: Provided is a table saw assembly including a base portion, a saw blade opening, a saw assembly and a first leg assembly. The base portion includes a base work piece support surface which defines a support plane. The base portion includes a lower surface opposite the base work piece support surface. The saw blade opening is defined in the base work piece support surface. The saw assembly includes a saw blade which is positionable to extend upwardly through the saw blade opening. The first leg assembly includes a first foot portion. The first leg assembly is pivotable between a first position and a second position. In the first position, the first foot portion is positioned lower than the lower surface of the base portion. In the second position, the first foot portion is positioned above the lower surface of the base portion.
    Type: Application
    Filed: October 14, 2011
    Publication date: April 18, 2013
    Applicants: ROBERT BOSCH GMBH, ROBERT BOSCH TOOL CORPORATION
    Inventors: Juergen Wiker, Ralph Dammertz
  • Publication number: 20130092003
    Abstract: A table saw assembly includes a base portion with a base work piece support surface which defines a support plane and a saw blade opening. A saw blade is positionable to extend upwardly through the saw blade opening. A first extension includes a first extension work piece support surface which is pivotable with respect to the base portion between a first position coplanar with the base work piece support surface and a second position above the support plane. A second extension includes a second extension work piece support surface which is pivotable between a third position coplanar with the base work piece support surface and a fourth position above the support plane. The table saw assembly includes a handle located above the work piece support surface and accessible by a user when the first extension is in the second position and the second extension is in the fourth position.
    Type: Application
    Filed: October 14, 2011
    Publication date: April 18, 2013
    Applicants: ROBERT BOSCH GMBH, ROBERT BOSCH TOOL CORPORATION
    Inventors: Juergen Wiker, Ralph Dammertz
  • Patent number: 8282446
    Abstract: The invention is based on a protective hood fastening device having a fastening element (12a-12n) for fastening a protective hood (14a-14n) which is intended for partly enclosing a rotating application tool on a body (16a-16n) of an electric tool (10a-10n). It is proposed that the fastening element (12a-12n) comprise at least one latching element (18a-18n) for locking the protective hood (14a-14n) against rotation relative to the body (16a-16n) of the electric tool (10a-10n).
    Type: Grant
    Filed: April 19, 2007
    Date of Patent: October 9, 2012
    Assignee: Robert Bosch GmbH
    Inventors: Maria-Margareta Sulea, Stefan Heess, Juergen Wiker, Peter Stierle
  • Publication number: 20120167738
    Abstract: A miter saw includes a base, a turntable rotatable in relation to the base and including a work piece support surface, a support assembly attached to the turntable, and a saw assembly attached to the support assembly and configured to cut a work piece supported on the turntable. A fence assembly includes an elongate fence body that extends along a first axis. The elongate fence body is supported by the base and positioned over the turntable. The fence body has a first connecting structure, and a fence insert defining an elongate work piece abutment surface and having a second connecting structure. The fence assembly is positionable in a first configuration and a second configuration. In the first configuration, the second connecting structure cooperates with the first connecting structure to secure the fence insert at a first position in relation to the fence body.
    Type: Application
    Filed: January 3, 2011
    Publication date: July 5, 2012
    Applicants: ROBERT BOSCH GMBH, ROBERT BOSCH TOOL CORPORATION
    Inventors: Michael J. Lawlor, Juergen Wiker
  • Patent number: 8096854
    Abstract: A machine tool and a tool include an automatic balancing device, with a first balancing mass located such that it is movable relative to the shaft of the machine tool in all radial directions and in the circumferential direction, that may be started rotating via the rotation of the shaft, and that, during rotation, exerts a force on the shaft in the radial direction.
    Type: Grant
    Filed: November 1, 2007
    Date of Patent: January 17, 2012
    Assignee: Robert Bosch GmbH
    Inventors: Juergen Wiker, Joerg Lemmel, Klaus Kuespert, Joerg Maute
  • Patent number: 8082634
    Abstract: 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: Grant
    Filed: October 1, 2007
    Date of Patent: December 27, 2011
    Assignee: Robert Bosch GmbH
    Inventors: Mario Frank, Ulrich Mueller-Boysen, Joachim Schadow, Juergen Wiker, Siegfried Keusch, Tobias Herr, Marcus Schuller
  • Publication number: 20110308920
    Abstract: A lock-on switch system for hand drill includes a switch disposed in a switch housing for controlling the operation of the drill, a trigger which is adapted to be movable between a home position where the trigger turns off the switch and a pushed-in position where the trigger turns on the switch, a pivotable locking bar having a front end adapted to be engaged with the trigger for locking the trigger in the pushed-in position, a slidable actuator adapted for pushing the locking bar into engagement with the trigger, and biasing means adapted for applying a force on the locking bar in a direction of disengaging the locking bar from the trigger.
    Type: Application
    Filed: December 17, 2008
    Publication date: December 22, 2011
    Applicants: Robert Bosch GmbH, Bosch Power Tools (China) Co., Ltd.
    Inventors: Xuedong Shi, Xianbin Jiang, Juergen Wiker
  • Patent number: 8006778
    Abstract: In a handheld power tool, including a first housing part and a second housing part as well as a damping element between the first housing part and the second housing part, the damping element is connectable to the first housing part and the second housing part, and the handheld power tool further has at least one securing element, which is connectable to the first housing part and the second housing part.
    Type: Grant
    Filed: June 11, 2007
    Date of Patent: August 30, 2011
    Assignee: Robert Bosch GmbH
    Inventors: Juergen Wiker, Joachim Schadow, Joerg Maute
  • Patent number: 7967079
    Abstract: A portable power tool includes a motor housing (22a, 22b, 22c, 22d, 68) and a housing cover (26a, 26b, 26c, 26d, 72) that is attached to the motor housing (22a, 22b, 22c, 22d, 68). The portable power tool includes insulation (44a, 44b, 44c, 44d, 70a, 70b) adjacent to the motor housing (22a, 22b, 22c, 22d, 68) and the housing cover (26a, 26b, 26c, 26d, 72), which are guided through a guide (50a, 50b, 50c, 50d, 52a, 52b, 52d, 92) in the direction toward the motor housing (22a, 22b, 22c, 22d, 68) and/or the housing cover (26a, 26b, 26c, 26d, 72).
    Type: Grant
    Filed: February 13, 2006
    Date of Patent: June 28, 2011
    Assignee: Robert Bosch GmbH
    Inventors: Peter Stierle, Albrecht Hofmann, Juergen Wiker, Mario Pauli, Stefan Heess, Thomas Schomisch, Meinhard Eule, Markus Heckmann, Kersten Heckmann, legal representative
  • Publication number: 20110005790
    Abstract: The invention relates to a hand grip having a grip core and a grip cover disposed on the grip core. The grip cover has at least one vibration-damping element. A fastening element is attached to the grip core. The vibration-damping means can be prestressed.
    Type: Application
    Filed: January 8, 2008
    Publication date: January 13, 2011
    Inventors: Mario Frank, Ulrich Mueller-Boysen, Joachim Schadow, Roswitha Eicher, Stefan Heess, Joerg Maute, Juergen Wiker, Siegfried Keusch, Florian Fsenwein, Bernhard Eicher, Marcus Schuller
  • Publication number: 20100193210
    Abstract: The invention relates to a rechargeable power supply device for supplying power to an electrical appliance. The rechargeable power supply device is provided with at least one chip on which data for identification of the power supply device can be stored, and can be read by the electrical appliance and/or by a charger.
    Type: Application
    Filed: May 2, 2008
    Publication date: August 5, 2010
    Inventors: Jochen Krauter, Joerg Maute, Juergen Wiker