Patents by Inventor Stefan Heess
Stefan Heess 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: 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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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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Patent number: 7708260Abstract: An auxiliary handle device, in particular for a hand-held power tool, has an auxiliary handle and a damping unit with at least one absorber mass element. The absorber mass element is designed in the shape of a sleeve along a main extension direction of the auxiliary handle device.Type: GrantFiled: June 3, 2008Date of Patent: May 4, 2010Assignee: Robert Bosch GmbHInventors: Roswitha Eicher, Stefan Heess, Joerg Maute, Florian Esenwein, Bernhard Eicher, Marcus Schuller
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Publication number: 20090178243Abstract: The invention describes a handle including a grip element and a fastening element, which are situated spaced apart from each other by at least one damping element; at least one of the contact surfaces of the grip element or fastening element, which are oriented toward each other via the damping element, is embodied as profiled so that the contact surface is enlarged.Type: ApplicationFiled: March 12, 2008Publication date: July 16, 2009Inventors: Mario FRANK, Ulrich MUELLER-BOYSEN, Joachim SCHADOW, Roswitha EICHER, Stefan HEESS, Joerg MAUTE, Juergen WIKER, Siegfried KEUSCH, Florian ESENWEIN, Berbhard EICHER, Marcus SCHULLER
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Publication number: 20090038121Abstract: An auxiliary handle device, in particular for a hand-held power tool, has an auxiliary handle and a damping unit that includes at least one damping element. The damping element is designed to pivot about a pivot axis while vibrations are being damped.Type: ApplicationFiled: July 7, 2008Publication date: February 12, 2009Inventors: Roswitha Eicher, Stefan Heess, Joerg Maute, Florian Esenwein, Bernhard Eicher, Marcus Schuller
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Publication number: 20090038899Abstract: An auxiliary handle device, in particular for a hand-held power tool, has an auxiliary handle and a damping unit with at least one absorber mass element. The absorber mass element is designed in the shape of a sleeve along a main extension direction of the auxiliary handle device.Type: ApplicationFiled: June 3, 2008Publication date: February 12, 2009Inventors: Roswitha Eicher, Stefan Heess, Joerg Maute, Florian Esenwein, Bernhard Eicher, Marcus Schuller
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Publication number: 20090038120Abstract: An auxiliary handle device, in particular for a hand-held power tool, has an auxiliary handle and a damping unit that includes a counter-oscillation unit with at least one oscillation element. The damping unit includes at least one joint unit, via which the oscillation element is supported in an oscillating manner.Type: ApplicationFiled: June 3, 2008Publication date: February 12, 2009Inventors: Roswitha Eicher, Stefan Heess, Joerg Maute, Florian Esenwein, Bernhard Eicher, Marcus Schuller
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Publication number: 20090038818Abstract: An auxiliary handle device, in particular for a hand-held power tool, has an auxiliary handle and a damping unit. The damping unit includes a rotation unit with at least one rotation element, which is provided to rotate about at least one rotation axis.Type: ApplicationFiled: July 31, 2008Publication date: February 12, 2009Inventors: Roswitha Eicher, Stefan Heess, Joerg Maute, Florian Esenwein, Bernhard Eicher, Marcus Schuller
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Publication number: 20090039576Abstract: An auxiliary handle device, in particular for a hand-held power tool, has an auxiliary handle, a fastening unit provided for attachment with the hand-held power tool, and a damping unit with at least one absorber mass element. The absorber mass element is located at least partially on an end region of the auxiliary handle facing the fastening unit along an axial direction between the auxiliary handle and the fastening unit.Type: ApplicationFiled: June 3, 2008Publication date: February 12, 2009Inventors: Roswitha Eicher, Stefan Heess, Joerg Maute, Florian Esenwein, Bernhard Eicher, Marcus Schuller
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Publication number: 20080280549Abstract: 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: ApplicationFiled: April 19, 2007Publication date: November 13, 2008Inventors: Maria-Margareta Sulea, Stefan Heess, Juergen Wiker, Peter Stierle
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Publication number: 20080235913Abstract: A handle includes a grip element, a fastening element, and at least one damping element which is configured as a telescopic damping element, and can be used in a hand-held power tool.Type: ApplicationFiled: March 12, 2008Publication date: October 2, 2008Inventors: Roswitha Eicher, Stefan Heess, Joerg Maute, Florian Esenwein, Bernhard Eicher, Marcus Schuller
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Publication number: 20080223593Abstract: Disclosed is a handle including a grip element and a fastening element situated on the grip element; the fastening element protrudes at least partway into the grip element and is guided in the grip element with a radial play. The handle is characterized by means of at least one damping element that is situated on the grip element so that it functions as a stop for limiting the radial play of the fastening element in the grip element.Type: ApplicationFiled: March 12, 2008Publication date: September 18, 2008Inventors: Roswitha EICHER, Stefan Heess, Joerg Maute, Florian Esenwein, Bernhard Eicher, Marcus Schuller
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Publication number: 20080202784Abstract: The present invention relates to a portable power tool with 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). It is provided that the portable power tool includes insulation means (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 means (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: ApplicationFiled: February 13, 2006Publication date: August 28, 2008Inventors: Peter Stierle, Albrecht Hofmann, Juergen Wiker, Mario Pauli, Stefan Heess, Thomas Schomisch, Meinhard Eule
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Publication number: 20080148524Abstract: A handle includes a handle sleeve and a handle core, the handle core includes a fastening element on one end and extends to the end of the handle sleeve opposite to the fastening element, an intermediate space is located between the handle sleeve and the handle core, and at least one dampening element is provided in the intermediate space, and the handle core includes a contactless overhanging section in the handle sleeve.Type: ApplicationFiled: November 28, 2007Publication date: June 26, 2008Inventors: Juergen Wiker, Bernhard Eicher, Joachim Schadow, Stefan Heess, Mario Frank, Siegfried Keusch, Ulrich Mueller-Boysen, Joerg Maute, Florian Esenwein, Marcus Schuller, Roswitha Eicher
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Patent number: 7063606Abstract: A portable power tool, in particular an angle grinder (10), includes a longitudinal housing (12) for accommodating a motor for driving a driven shaft (16) that is outwardly bent relative to the housing (12), the driven shaft being rotatably supported in a gearbox casing (14) and extending out of it with a free end that is provided to accommodate a sanding body. A protective cover (43) encompassing the sanding body is capable of being fastened on the gearbox casing (14) such that its rotation can be adjusted, and the rotational position of which is lockable using a notch lever (30). The device is made safer to operate and more cost effective to manufacture by the fact that the notch lever (30) is positioned transversely to the longitudinal axis of the angle grinder (10) and is pivotable around an axis (34) positioned substantially parallel to the housing (12).Type: GrantFiled: July 22, 2004Date of Patent: June 20, 2006Assignee: Robert Bosch GmbHInventors: Peter Stierle, Juergen Wiker, Maria-Margareta Sulea, Stefan Heess
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Publication number: 20050215186Abstract: A portable power tool, in particular an angle grinder (10), with a longitudinal housing (12) for accommodating a motor for driving a driven shaft (16) that is U-bent relative to the housing (12), the driven shaft being rotatably supported in a gearbox casing (14) and extending out of it with a free end that is provided to accommodate a sanding body, whereby a protective cover (43) encompassing the sanding body is capable of being fastened on the gearbox casing (14) such that its rotation can be adjusted, and the rotational position of which is lockable using a notch lever (30), is made safer to operate and more cost effective to manufacture by the fact that the notch lever (30) is positioned transversely to the longitudinal axis of the angle grinder (10) and is pivotable around an axis (34) positioned substantially parallel to the housing (12).Type: ApplicationFiled: July 22, 2004Publication date: September 29, 2005Inventors: Peter Stierle, Juergen Wiker, Maria-Margareta Wiker, Stefan Heess
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Patent number: 6669542Abstract: An angle grinder with a housing 2 can be produced more economically by providing that it has a mounting shell 3, a cap shell 4, and an insert part 1 between these two shells. The insert part 1 is equipped with a first fixation device 10 and a second fixation device 11 for fixation between the mounting shell 3 and the cap shell 4, and it has a spindle locking receptacle 12 and spindle bearing receptacle 13. The mounting shell 3 has a first fixation means 30, which is engaged by the first fixation device 10 of the insert part 1. The cap shell 4 has a second fixation means 40, which engages the fixation device 10 of the insert part 1. The insert part 1 also has a second fixation device 11, which can be brought into engagement with suitable means on the mounting shell 3 and the cap shell 4.Type: GrantFiled: August 27, 2001Date of Patent: December 30, 2003Assignee: Robert Bosch GmbHInventors: Roland Walz, Peter Stierle, Ralph Dammerz, Maria-Margaretta Sulea, Stefan Heess
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Patent number: 6669544Abstract: A protective hood (1) for a right-angle grinder having a tightening device, which has a tightening band (4) firmly connected to the protective hood (1) for a right-angle grinder, the two ends (5, 6) of the tightening band being embodied as a first and second eyelet (7, 8), so that they form a first and second abutment (9, 10) and can be connected to one another under tension by means of at least two tightening elements, the first tightening element being a tightening lever (2), which with its first end (15) can be supported in the first eyelet (7) pivotably about a first axis (9a) and which can be brought into a first position in which the tightening device is not tightened, and into a second position in which the tightening device is tightened, becomes capable of being produced at less expense with still high quality by providing that the second tightening element is a spring (3), which can be connected movably to the tightening lever (2), the spring (3) being pivotably supported about a second axis (11) inType: GrantFiled: August 15, 2001Date of Patent: December 30, 2003Assignee: Robert Bosch GmbHInventors: Roland Walz, Peter Stierle, Ralph Dammertz, Maria-Margareta Sulea, Stefan Heess
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Patent number: 6632128Abstract: A power tool (10), in particular an angle grinder, having a housing (12) that receives an electric motor (21) and a gear (26), the motor (21) having a rotor (210) which is guided in rotor bearings (2100) and on one hand carries a collector (2102), which collector can be put into contact with a voltage source via carbon brushes (23) supported in brush plates, is made sturdier and easier to install in that the housing (12) comprises two longitudinally split housing shells (120, 121), and that the brush plates are part of a bearing bridge (24) that carries both the rotor bearing (2100) and the carbon brushes (23), and the bearing bridge (24), in the guide region of the carbon brushes (23), comprises plastic.Type: GrantFiled: April 15, 2002Date of Patent: October 14, 2003Assignee: Robert Bosch GmbHInventors: Guenther Berger, Roland Walz, Peter Stierle, Ralph Dammertz, Maria-Margareta Sulea, Stefan Heess