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).
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Publication number: 20140097048Abstract: 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: ApplicationFiled: March 29, 2012Publication date: April 10, 2014Applicant: Robert Bosch GmbHInventors: Juergen Wiker, Joachim Schadow, Joerg Maute, Florian Esenwein, Manfred Lutz
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Publication number: 20140076678Abstract: 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: ApplicationFiled: March 12, 2012Publication date: March 20, 2014Applicant: Robert Bosch GmbHInventors: Joachim Schadow, Manfred Lutz, Juergen Wiker, Joerg Maute, Florian Esenwein
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Patent number: 8621970Abstract: 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: GrantFiled: January 3, 2011Date of Patent: January 7, 2014Assignee: Robert Bosch GmbHInventors: Michael J. Lawlor, Juergen Wiker
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Patent number: 8534378Abstract: 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: GrantFiled: November 22, 2006Date of Patent: September 17, 2013Assignee: Robert Bosch GmbHInventor: Juergen Wiker
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Publication number: 20130195575Abstract: 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: ApplicationFiled: December 21, 2009Publication date: August 1, 2013Applicant: Robert Bosch Tool CorporationInventors: Ke Cui, Hepeng Zhang, Shuo Teng, Bing Zhu, Juergen Wiker
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Publication number: 20130174705Abstract: 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: ApplicationFiled: January 5, 2012Publication date: July 11, 2013Applicants: ROBERT BOSCH GMBH, ROBERT BOSCH TOOL CORPORATIONInventors: Eric Hendrickson, Juergen Wiker, Brian Taylor
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Publication number: 20130104714Abstract: 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: ApplicationFiled: October 31, 2011Publication date: May 2, 2013Applicants: Robert Bosch GmbH, Robert Bosch Tool CorporationInventors: Ralph Dammertz, Juergen Wiker
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Publication number: 20130092004Abstract: 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: ApplicationFiled: October 14, 2011Publication date: April 18, 2013Applicants: ROBERT BOSCH GMBH, ROBERT BOSCH TOOL CORPORATIONInventors: Juergen Wiker, Ralph Dammertz
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Publication number: 20130092002Abstract: 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: ApplicationFiled: October 14, 2011Publication date: April 18, 2013Applicants: ROBERT BOSCH GMBH, ROBERT BOSCH TOOL CORPORATIONInventors: Juergen Wiker, Ralph Dammertz
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Publication number: 20130092005Abstract: 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: ApplicationFiled: October 14, 2011Publication date: April 18, 2013Applicants: ROBERT BOSCH GMBH, ROBERT BOSCH TOOL CORPORATIONInventors: Juergen Wiker, Ralph Dammertz
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Publication number: 20130092003Abstract: 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: ApplicationFiled: October 14, 2011Publication date: April 18, 2013Applicants: ROBERT BOSCH GMBH, ROBERT BOSCH TOOL CORPORATIONInventors: Juergen Wiker, Ralph Dammertz
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Patent number: 8282446Abstract: 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: GrantFiled: April 19, 2007Date of Patent: October 9, 2012Assignee: Robert Bosch GmbHInventors: Maria-Margareta Sulea, Stefan Heess, Juergen Wiker, Peter Stierle
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Publication number: 20120167738Abstract: 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: ApplicationFiled: January 3, 2011Publication date: July 5, 2012Applicants: ROBERT BOSCH GMBH, ROBERT BOSCH TOOL CORPORATIONInventors: Michael J. Lawlor, Juergen Wiker
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Patent number: 8096854Abstract: 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: GrantFiled: November 1, 2007Date of Patent: January 17, 2012Assignee: Robert Bosch GmbHInventors: Juergen Wiker, Joerg Lemmel, Klaus Kuespert, Joerg Maute
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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
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Publication number: 20110308920Abstract: 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: ApplicationFiled: December 17, 2008Publication date: December 22, 2011Applicants: Robert Bosch GmbH, Bosch Power Tools (China) Co., Ltd.Inventors: Xuedong Shi, Xianbin Jiang, Juergen Wiker
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Patent number: 8006778Abstract: 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: GrantFiled: June 11, 2007Date of Patent: August 30, 2011Assignee: Robert Bosch GmbHInventors: Juergen Wiker, Joachim Schadow, Joerg Maute
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Patent number: 7967079Abstract: 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: GrantFiled: February 13, 2006Date of Patent: June 28, 2011Assignee: Robert Bosch GmbHInventors: Peter Stierle, Albrecht Hofmann, Juergen Wiker, Mario Pauli, Stefan Heess, Thomas Schomisch, Meinhard Eule, Markus Heckmann, Kersten Heckmann, legal representative
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Publication number: 20110005790Abstract: 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: ApplicationFiled: January 8, 2008Publication date: January 13, 2011Inventors: Mario Frank, Ulrich Mueller-Boysen, Joachim Schadow, Roswitha Eicher, Stefan Heess, Joerg Maute, Juergen Wiker, Siegfried Keusch, Florian Fsenwein, Bernhard Eicher, Marcus Schuller
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Publication number: 20100193210Abstract: 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: ApplicationFiled: May 2, 2008Publication date: August 5, 2010Inventors: Jochen Krauter, Joerg Maute, Juergen Wiker