Patents by Inventor Guenther Veik
Guenther Veik 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: 20220048154Abstract: Handheld cutoff grinder including a cutting disk (11), a motor housing having a drive unit and a cantilever (16) with a support arm (17) and an arm cover (18). A stop element (41) is provided in the arm cover (18) for the spindle (12), the stop element limiting the movement of the spindle (12) in a plane (48) perpendicular to the axis of rotation (13) during operation.Type: ApplicationFiled: August 28, 2019Publication date: February 17, 2022Inventors: Helmut SPECHT, Stefan TEUFELHART, Guenther VEIK
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Patent number: 10821571Abstract: A handheld, hand-guided cutting-off machine (10), which includes a rotating cutting-off wheel, a supporting housing part (36), an output shaft, which is rotatably supported around an output axis (40), a drive motor, a transmission mechanism (19), which connects the drive motor to the output shaft, a flange and a safety guard (24), which covers the cutting-off wheel over a covering area. The cutting-off wheel is rotatably fixedly mounted on the output shaft with the aid of the flange and surrounded by the safety guard (24), which is pivotable around a pivot axis. The safety guard (24), the supporting housing part (36) and the transmission mechanism (19) have maximum distances from the output axis (40) over an outcut angle (?), which are less than or equal to half the flange diameter of the flange.Type: GrantFiled: November 15, 2016Date of Patent: November 3, 2020Assignee: Hilti AktiengesellschaftInventors: Ralf Greitmann, Guenther Veik, Helmut Specht
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Publication number: 20180345456Abstract: A handheld, hand-guided cutting-off machine, which includes a rotating cutting-off wheel, a supporting housing part (36), an output shaft (20), which is rotatably supported around an output axis (40), a drive motor, a transmission mechanism (19), which connects the drive motor to the output shaft (20), a flange (41) and a safety guard (24), which covers the cutting-off wheel over a covering area (25). The cutting-off wheel is rotatably fixedly mounted on the output shaft (20) with the aid of the flange (41) and surrounded by the safety guard (24). The safety guard (24) is pivotable around a pivot axis, and the pivot axis is displaced by a distance from the output axis (40) of the output shaft (20).Type: ApplicationFiled: November 16, 2016Publication date: December 6, 2018Inventors: Ralf GREITMANN, Guenther VEIK, Helmut SPECHT
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Publication number: 20180345444Abstract: A handheld, hand-guided cutting-off machine (10), which includes a rotating cutting-off wheel, a supporting housing part (36), an output shaft, which is rotatably supported around an output axis (40), a drive motor, a transmission mechanism (19), which connects the drive motor to the output shaft, a flange and a safety guard (24), which covers the cutting-off wheel over a covering area. The cutting-off wheel is rotatably fixedly mounted on the output shaft with the aid of the flange and surrounded by the safety guard (24), which is pivotable around a pivot axis. The safety guard (24), the supporting housing part (36) and the transmission mechanism (19) have maximum distances from the output axis (40) over an outcut angle (?), which are less than or equal to half the flange diameter of the flange.Type: ApplicationFiled: November 15, 2016Publication date: December 6, 2018Inventors: Ralf GREITMANN, Guenther VEIK, Helmut SPECHT
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Publication number: 20180281086Abstract: A handheld, hand-guided cutting-off machine, which includes a rotating cutting-off wheel, a supporting housing part (36), an output shaft, which is rotatably supported around an output axis (40), a drive motor, a transmission mechanism, which connects the drive motor to the output shaft, a flange (41) and a safety guard (24), which covers the cutting-off wheel over a covering area. The cutting-off wheel is rotatably fixedly mounted on the output shaft with the aid of the flange (41) and surrounded by the safety guard (24). The safety guard (24), the supporting housing part (36) and the transmission mechanism have maximum distances from the output axis (40) over an outcut angle (?), which are smaller than or equal to half the flange diameter (df).Type: ApplicationFiled: November 15, 2016Publication date: October 4, 2018Inventors: Ralf GREITMANN, Helmut SPECHT, Guenther VEIK, Dragomir Ljubojevic
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Publication number: 20150298311Abstract: A handheld, gasoline-powered power tool (10) includes a tool (12) in the front section of the power tool (10), a first handle (14) in a center upper section of the power tool (10) and a second handle (20) in a rear section of the power tool (10). In addition, the power tool (10) includes s a footrest plate (28) located in the center lower section of the power tool (10), the footrest plate (28) offering a defined foot placement surface so that the user can clearly see where and how to hold the power tool (10) only with the foot.Type: ApplicationFiled: October 2, 2013Publication date: October 22, 2015Inventors: Ralf Meixner, Guenther Veik, Dragomir Ljubojevic, Helmut Specht
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Patent number: 8006777Abstract: A hand-held power tool for driving a cutting or grinding working tool (11) includes a running gear (13) having a roller (15) and a support section (14) for supporting the roller (15), and a locking device (20) for locking the roller (15) against rotation relative to the support section (14).Type: GrantFiled: August 28, 2008Date of Patent: August 30, 2011Assignee: Hilti AktiengesellschaftInventors: Ralf Meixner, Guenther Veik, Hans-Joerg Rieger
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Patent number: 7823653Abstract: A hand-held power tool for driving a working tool (1) includes a drive belt (3), first and second arms (5a, 5b) longitudinally displaceable relative to each other and carrying respective deflection rollers (6) of the drive belt (3), a belt tensioning device (4) located between the first and second arms (5a, 5b) and including a spring (8) preloaded against the first arm (5a), and a displaceable pressure piston (9) located between the spring (8) and the second arm (56).Type: GrantFiled: September 16, 2008Date of Patent: November 2, 2010Assignee: Hilti AktiengesellschaftInventors: Ralf Meixner, Guenther Veik, Hans-Joerg Rieger
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Publication number: 20100011598Abstract: A hand-held power tool for driving a disc-shaped working tool (13) includes a belt drive (15) for driving the working tool (13), a belt cover (21; 41) for at least partially covering the belt drive (15) and having, at a belt cover free end (23; 43) remote from an outer housing (14) of the power tool, a circumferential wall section (24; 44), and a separate cover element (31; 51) for the free end (23; 43) of the belt cover (21; 41) and integrated in the circumferential wall section (24, 44) at the belt cover free end (23; 43).Type: ApplicationFiled: July 14, 2009Publication date: January 21, 2010Inventors: Ralf Meixner, Guenther Veik, Hans-Joerg Rieger
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Publication number: 20090082145Abstract: A hand-held power tool for driving a working tool (1) includes a drive belt (3), first and second arms (5a, 5b) longitudinally displaceable relative to each other and carrying respective deflection rollers (6) of the drive belt (3), a belt tensioning device (4) located between the first and second arms (5a, 5b) and including a spring (8) preloaded against the first arm (5a), and a displaceable pressure piston (9) located between the spring (8) and the second arm (56).Type: ApplicationFiled: September 16, 2008Publication date: March 26, 2009Inventors: Ralf Meixner, Guenther Veik, Hans-Joerg Rieger
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Publication number: 20090071670Abstract: A hand-held power tool for driving a cutting or grinding working tool (11) includes a running gear (13) having a roller (15) and a support section (14) for supporting the roller (15), and a locking device (20) for locking the roller (15) against rotation relative to the support section (14).Type: ApplicationFiled: August 28, 2008Publication date: March 19, 2009Inventors: Ralf Meixner, Guenther Veik, Hans-Joerg Rieger
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Patent number: 6993435Abstract: For the automatic determination of the diameter of a tool, particularly a saw blade for an automatic wall saw, which is driven by a motor via a gear unit, the moment of inertia of the tool is used as an indicator for its diameter. Three basic solution variants are introduced. In particular, the system including a motor, gear unit and tool is treated as a dual-mass oscillator such that the elasticity of the shafts and gears is arranged as a torsion spring between the inertial masses in two discrete points while taking into account two coefficients of friction including coefficients of the known inertia of the motor rotor (?R) and of the tool (?S). This system can be described by equations which are then simplified by reasonable assumptions or premises. The selected formulations are solved for the moment of inertia of the tool to determine the diameter therefrom and to make an optimal adjustment for the drive possible which is adapted to the respective tool.Type: GrantFiled: April 12, 2004Date of Patent: January 31, 2006Assignee: Hilti AktiengesellschaftInventors: Josef Schittl, Eduard Sever, Georg Studer, Marcus Flock, Guenther Veik, Roland Schaer, Christoph Würsch
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Publication number: 20050000333Abstract: For the automatic determination of the diameter of a tool, particularly a saw blade for an automatic wall saw, which is driven by a motor via a gear unit, the moment of inertia of the tool is used as an indicator for its diameter. Three basic solution variants are introduced. In particular, the system including a motor, gear unit and tool is treated as a dual-mass oscillator such that the elasticity of the shafts and gears is arranged as a torsion spring between the inertial masses in two discrete points while taking into account two coefficients of friction including coefficients of the known inertia of the motor rotor (?R) and of the tool (?s). This system can be described by equations which are then simplified by reasonable assumptions or premises. The selected formulations are solved for the moment of inertia of the tool to determine the diameter therefrom and to make an optimal adjustment for the drive possible which is adapted to the respective tool.Type: ApplicationFiled: April 12, 2004Publication date: January 6, 2005Inventors: Josef Schittl, Eduard Sever, Georg Studer, Marcus Flock, Guenther Veik, Roland Schaer, Christoph Wursch
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Patent number: 6572447Abstract: A method of forming a base body for a diamond bit having a tubular carrier body (2, 12) with a bottom (4), and a shank (1, 11) projecting from the bottom (1), with the carrier body (2, 12) and the bottom being produced by a spinning process.Type: GrantFiled: August 21, 2001Date of Patent: June 3, 2003Assignee: Hilti AktiengesellschaftInventors: Günther Veik, Achim Ruf, Christoph Laumen