Patents by Inventor Tobias Lutz
Tobias 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).
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Patent number: 10500656Abstract: A power tool system includes at least one power tool which has at least one workpiece support unit that is configured to support a workpiece during machining, and also includes at least one machining tool device which extends through a workpiece support surface of the workpiece support unit in at least one operating state. The machining tool device includes at least one cutting strand that is configured to be driven in circulation. A ratio of a maximum height of the workpiece support unit to a maximum cutting depth of the machining tool device is less than 4.1.Type: GrantFiled: September 30, 2014Date of Patent: December 10, 2019Assignee: Robert Bosch GmbHInventors: Tobias Lutz, Robin Schuler, Uwe Engelfried
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Patent number: 9879729Abstract: A tubular device for connection to a shaft such that a torque can be transmitted between the tubular device and the shaft comprises a hollow receiving region configured to receive a first supporting region of the shaft, and at least one first torque-transmitting section configured to engage with at least one second torque-transmitting section of the shaft. The hollow receiving region includes at least one contact surface configured to engage at least one first supporting region of the shaft when the tubular device is radially mounted to the shaft. The at least one first torque-transmitting section includes at least one bump which, starting from the at least one first contact surface, projects into the hollow receiving region and is positioned immovably on the tubular device.Type: GrantFiled: October 18, 2013Date of Patent: January 30, 2018Assignee: Robert Bosch GmbHInventors: Juergen Hesse, Tobias Lutz
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Patent number: 9718165Abstract: A shaft for rotationally coupling a main device to a tubular device includes a first free end that is configured to be introduced into the tubular device, and a second end configured to be secured to the main device. The shaft also defines at least a first bearing region along an outer circumference that is configured to form a contact in a hollow accommodating region of the tubular device, and further includes at least one torque-transmitting section configured to engage with a torque-transmitting section of the tubular device. A securing device of the shaft includes a locking device that, in a locked state, is configured to prevent the securing device from being dismounted, and that, in an unlocked state, is configured to enable the tubular device to be dismounted. The securing device further includes an interlocking device that is arranged on the first end of the shaft, and that enables locking and unlocking the locking device.Type: GrantFiled: October 18, 2013Date of Patent: August 1, 2017Assignee: Robert Bosch GmbHInventors: Juergen Hesse, Tobias Lutz
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Patent number: 9486909Abstract: A clamping device for a hand-held power tool includes at least one clamping unit configured to clamp a processing tool in an axial direction and at least one operating unit configured to actuate the at least one clamping unit. The at least one operating unit has at least one jaw coupling element configured to couple the at least one operating unit to the at least one clamping unit in a rotationally fixed manner. The at least one jaw coupling element is supported so as to be movable at least substantially parallel to the axial direction.Type: GrantFiled: December 23, 2011Date of Patent: November 8, 2016Assignee: Robert Bosch GmbHInventors: Jens Zieger, Tobias Lutz, Szabolcs Gyori
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Publication number: 20160305484Abstract: A tubular device for connection to a shaft such that a torque can be transmitted between the tubular device and the shaft comprises a hollow receiving region configured to receive a first supporting region of the shaft, and at least one first torque-transmitting section configured to engage with at least one second torque-transmitting section of the shaft. The hollow receiving region includes at least one contact surface configured to engage at least one first supporting region of the shaft when the tubular device is radially mounted to the shaft. The at least one first torque-transmitting section includes at least one bump which, starting from the at least one first contact surface, projects into the hollow receiving region and is positioned immovably on the tubular device.Type: ApplicationFiled: October 18, 2013Publication date: October 20, 2016Inventors: Juergen Hesse, Tobias Lutz
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Publication number: 20150306733Abstract: A shaft for rotationally coupling a main device to a tubular device includes a first free end that is configured to be introduced into the tubular device, and a second end configured to be secured to the main device. The shaft also defines at least a first bearing region along an outer circumference that is configured to form a contact in a hollow accommodating region of the tubular device, and further includes at least one torque-transmitting section configured to engage with a torque-transmitting section of the tubular device. A securing device of the shaft includes a locking device that, in a locked state, is configured to prevent the securing device from being dismounted, and that, in an unlocked state, is configured to enable the tubular device to be dismounted. The securing device further includes an interlocking device that is arranged on the first end of the shaft, and that enables locking and unlocking the locking device.Type: ApplicationFiled: October 18, 2013Publication date: October 29, 2015Inventors: Juergen HESSE, Tobias LUTZ
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Publication number: 20150096419Abstract: A power tool system includes at least one power tool which has at least one workpiece support unit that is configured to support a workpiece during machining, and also includes at least one machining tool device which extends through a workpiece support surface of the workpiece support unit in at least one operating state. The machining tool device includes at least one cutting strand that is configured to be driven in circulation. A ratio of a maximum height of the workpiece support unit to a maximum cutting depth of the machining tool device is less than 4.1.Type: ApplicationFiled: September 30, 2014Publication date: April 9, 2015Inventors: Tobias Lutz, Robin Schuler, Uwe Engelfried
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Patent number: 8732963Abstract: An electric hand power tool with oscillating working movement, particularly translation movement, is made particularly compact and with low volume by an elastomeric module. The elastomeric module expands and/or contracts when electric voltage is applied, and is used as a drive for the hand power tool. The elastomeric module is coupled mechanically to a tool and is coupled electrically to a voltage source.Type: GrantFiled: July 7, 2009Date of Patent: May 27, 2014Assignee: Robert Bosch GmbHInventors: Martin Sinner-Hettenbach, Tobias Lutz
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Publication number: 20140084552Abstract: A clamping device for a hand-held power tool includes at least one clamping unit configured to clamp a processing tool in an axial direction and at least one operating unit configured to actuate the at least one clamping unit. The at least one operating unit has at least one jaw coupling element configured to couple the at least one operating unit to the at least one clamping unit in a rotationally fixed manner. The at least one jaw coupling element is supported so as to be movable at least substantially parallel to the axial direction.Type: ApplicationFiled: December 23, 2011Publication date: March 27, 2014Applicant: Robert Bosch GmbhInventors: Jens Zieger, Tobias Lutz, Szabolcs Gyori
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Publication number: 20110146087Abstract: An electric hand power tool with oscillating working movement, particularly translation movement, is made particularly compact and with low volume by an elastomeric module. According to the invention, the elastomeric module extends and/or contracts when electric voltage is applied. The module, being used as drive, being can be coupled mechanically to a tool and electrically to a voltage source.Type: ApplicationFiled: July 7, 2009Publication date: June 23, 2011Inventors: Martin Sinner-Hettenbach, Tobias Lutz
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Patent number: 7553217Abstract: A dust-collecting receptacle for an electric hand machine tool, in particular an electric hand grinder, having a dust-collecting chamber (17), an inlet fitting (21), an exhaust opening (18), and a dust filter (20) situated between the dust-collecting chamber (17) and the exhaust opening (18). To achieve a compact design of the dust-collecting receptacle (14) that on the one hand, does not impair operation of the electric hand grinder or only does so to an insignificant degree and on the other hand, has a high dust-collecting efficiency, the inlet fitting (21), the dust-collecting chamber (17), the dust filter (20), and the exhaust opening (18) are situated one above another and preferably, the form of the dust-collecting receptacle (14) is adapted to the outer contour of the electric hand machine tool (FIG. 1).Type: GrantFiled: July 4, 2003Date of Patent: June 30, 2009Assignee: Robert Bosch GmbHInventors: Doris Reich, Steffen Wuensch, Tobias Lutz, Christoph Cramer
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Patent number: 7217177Abstract: With a sanding-disc receiving element for a hand-guided electric sanding tool, an eccentric sander (15) in particular, the sanding-disc receiving element including a bearing flange (2) with a plurality of driving lugs (3) protruding in the axial direction around the surface (18), and a plurality of screw holes (8), and including a bearing (1) fixed in the axial and radial direction on the bearing flange (2), simple, reliable installation of the sanding disc (5) on the bearing flange (2) is ensured by the fact that the driving lugs (3) and the screw holes (8) are arranged equidistantly relative to each other on a common circle around the central axis of the bearing flange (2).Type: GrantFiled: September 24, 2004Date of Patent: May 15, 2007Assignee: Robert Bosch GmbHInventors: Alfred Frech, Tobias Lutz
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Patent number: 7207872Abstract: The invention is based on a bearing arrangement for vibratingly supporting a grinding disk (24) on a grinding apparatus (10), in particular in a vibrating grinder, having a plurality of elastic vibration bodies (48), which can be connected on the one hand to the grinding disk (24) and on the other to the grinding apparatus (10). It is proposed that the vibration bodies (48) are disposed, individually or in groups of a plurality of vibration bodies (48) each, in a plurality of modules (42) that are separate from one another.Type: GrantFiled: July 11, 2003Date of Patent: April 24, 2007Assignee: Robert Bosch GmbHInventors: Justus Lamprecht, Tobias Lutz, Christoph Cramer
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Publication number: 20060217048Abstract: With a sanding-disc receiving element for a hand-guided electric sanding tool, an eccentric sander (15) in particular, the sanding-disc receiving element including a bearing flange (2) with a plurality of driving lugs (3) protruding in the axial direction around the surface (18), and a plurality of screw holes (8), and including a bearing (1) fixed in the axial and radial direction on the bearing flange (2), simple, reliable installation of the sanding disc (5) on the bearing flange (2) is ensured by the fact that the driving lugs (3) and the screw holes (8) are arranged equidistantly relative to each other on a common circle around the central axis of the bearing flange (2).Type: ApplicationFiled: September 24, 2004Publication date: September 28, 2006Inventors: Alfred Frech, Tobias Lutz
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Publication number: 20050202767Abstract: A dust-collecting receptacle for an electric hand machine tool, in particular an electric hand grinder, having a dust-collecting chamber (17), an inlet fitting (21), an exhaust opening (18), and a dust filter (20) situated between the dust-collecting chamber (17) and the exhaust opening (18). To achieve a compact design of the dust-collecting receptacle (14) that on the one hand, does not impair operation of the electric hand grinder or only does so to an insignificant degree and on the other hand, has a high dust-collecting efficiency, the inlet fitting (21), the dust-collecting chamber (17), the dust filter (20), and the exhaust opening (18) are situated one above another and preferably, the form of the dust-collecting receptacle (14) is adapted to the outer contour of the electric hand machine tool (FIG. 1).Type: ApplicationFiled: July 4, 2003Publication date: September 15, 2005Inventors: Doris Reich, Steffen Wuensch, Tobias Lutz, Christoph Cramer
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Publication number: 20050164615Abstract: The invention is based on a bearing arrangement for vibratingly supporting a grinding disk (24) on a grinding apparatus (10), in particular in a vibrating grinder, having a plurality of elastic vibration bodies (48), which can be connected on the one hand to the grinding disk (24) and on the other to the grinding apparatus (10). It is proposed that the vibration bodies (48) are disposed, individually or in groups of a plurality of vibration bodies (48) each, in a plurality of modules (42) that are separate from one another.Type: ApplicationFiled: July 11, 2003Publication date: July 28, 2005Inventors: Justus Lamprecht, Tobias Lutz, Christoph Cramer
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Patent number: 6658979Abstract: A hand-guided power jigsaw (10) having a jigsaw blade (33) which can be detachably clamped between the free ends (53, 54) of two essentially parallel-arms (221, 222) that are preferably comprised of a U-shaped frame (22), in particular comprised of a tube, and which can be driven, in particular in a reciprocating manner, by a motor built into the jigsaw (10), wherein a laterally protruding handle (13) with a switch button (15) is disposed on the front of the free end of one of the arms (221, 222), is particularly maneuverable and easy to produce since the lower arm (221) has a, base housing (12) attached to it, which is embodied in the form of a pistol and protruding obliquely back and down from underneath the housing (12), has a handle (13) whose rear contour toward the base housing (12) forms a curved, angled throat (14), which rests in the hand of the user in a horizontally and vertically supported fashion.Type: GrantFiled: January 29, 2001Date of Patent: December 9, 2003Assignee: Robert Bosch GmbHInventors: Alfred Frech, Tobias Lutz, Uwe Engelfried, Siegfried Keusch
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Patent number: 6467176Abstract: A handheld power fret saw (10) having a power fret saw blade (33), which can be clamped releasably between two arms (122, 222), on their ends, that are preferably formed of a U-shaped bracket (22) comprising tubing, the end of one of the arms (221, 222) carrying a handgrip (13), is used especially universally with high precision because the power fret saw (10) can be clipped releasably, in particular in the manner of a bayonet mount, to a sawing table (37), and together with the sawing table (37) the power fret saw (10) forms a portable handheld power tool, which when the sawing table (37) is secured to a workbench or the like serves as a stationary tool.Type: GrantFiled: January 11, 2001Date of Patent: October 22, 2002Assignee: Robert Bosch GmbHInventors: Alfred Frech, Tobias Lutz, Uwe Engelfried