Patents by Inventor Guenter Haas
Guenter Haas 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: 10471525Abstract: A saber saw (1) for processing a workpiece, in particular a mineral or metallic material, including a drive (20), and a reciprocating rod (60) having a first end (63), a second end (68) and a drive point (69). Moreover, a first articulated rod (40) having a pivot point (42) and a connection point (44) as well as a second articulated rod (50) having a first pivot point (52) and a second pivot point (54) are provided, whereby the pivot point (42) of the first articulated rod (40) can be rotatably connected to the drive point (69) of the reciprocating rod (60), and the connection point (44) of the first reciprocating rod (40) can be non-rotatably connected to the drive (20) by-a connection mechanism (70), and whereby the drive (20) can be situated at least partially in a drive housing.Type: GrantFiled: August 12, 2014Date of Patent: November 12, 2019Assignee: Hilti AktiengesellschaftInventor: Guenter Haas
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Patent number: 10259061Abstract: A circular saw, in particular hand circular saw, is disclosed. The circular saw has a workpiece support surface, a saw blade and a protective cover, which covers the saw blade in a region above a workpiece to be processed. The protective cover has such a geometry and position with respect to the saw blade that a straight line, which originates from the first deflection of a tangent applied at the intersection of the saw blade circumference with the workpiece support surface from the protective cover encloses an angle of up to 30°, in particular up to 20°, with a line perpendicular to the workpiece support surface.Type: GrantFiled: July 28, 2011Date of Patent: April 16, 2019Assignee: Hilti AktiengesellschaftInventor: Guenter Haas
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Patent number: 9962779Abstract: A counterweight device for use in a saber saw, including a drive, a reciprocating rod and at least a first articulated rod, whereby the counterweight device can be moved reversibly by the drive in a first pendulum motion and a second pendulum motion. The first pendulum motion of the counterweight device runs essentially opposite to a first pendulum motion of the articulated rod, and the second pendulum motion of the counterweight device runs essentially opposite to a second pendulum motion of the articulated rod.Type: GrantFiled: August 12, 2014Date of Patent: May 8, 2018Assignee: Hilti AktiengesellschaftInventor: Guenter Haas
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Publication number: 20160207126Abstract: A counterweight device for use in a saber saw, including a drive, a reciprocating rod and at least a first articulated rod, whereby the counterweight device can be moved reversibly by the drive in a first pendulum motion and a second pendulum motion. The first pendulum motion of the counterweight device runs essentially opposite to a first pendulum motion of the articulated rod, and the second pendulum motion of the counterweight device runs essentially opposite to a second pendulum motion of the articulated rod.Type: ApplicationFiled: August 12, 2014Publication date: July 21, 2016Inventor: Guenter HAAS
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Publication number: 20160199924Abstract: A saber saw (1) for processing a workpiece, in particular a mineral or metallic material, including a drive (20), and a reciprocating rod (60) having a first end (63), a second end (68) and a drive point (69). Moreover, a first articulated rod (40) having a pivot point (42) and a connection point (44) as well as a second articulated rod (50) having a first pivot point (52) and a second pivot point (54) are provided, whereby the pivot point (42) of the first articulated rod (40) can be rotatably connected to the drive point (69) of the reciprocating rod (60), and the connection point (44) of the first reciprocating rod (40) can be non-rotatably connected to the drive (20) by-a connection mechanism (70), and whereby the drive (20) can be situated at least partially in a drive housing.Type: ApplicationFiled: August 12, 2014Publication date: July 14, 2016Inventor: Guenter Haas
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Publication number: 20140352155Abstract: A hand-held electric power tool having a tool that can be rotated around a rotational axis by the drive unit, having a protective cover that at least partially surrounds the tool, having an outlet opening that conveys out of the protective cover the material removed from the workpiece that is to be machined, and having a suction adapter that is connected to the protective cover and that has a connection section with a suction opening for connecting a suction device, the suction adapter having a guide device for guiding the material being removed, the guide device having an outlet opening that differs from the suction opening.Type: ApplicationFiled: August 15, 2014Publication date: December 4, 2014Inventors: Markus Looser, Konstantin Baxivanelis, Guenter Haas, Bernhard Link
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Patent number: 8650761Abstract: A fastening apparatus for a limit stop element of an electric hand tool, in particular a hand circular saw, is disclosed. The fastening apparatus includes a guide, into which the limit stop element can be inserted and along which it can be displaced, and a locking mechanism, which can lock the limit stop element in the displacement direction. The locking mechanism has a spring element, which, in its locked position, clamps the limit stop element with a clamping force directed against the limit stop element and, in a released position, permits a displacement of the limit stop element.Type: GrantFiled: July 28, 2011Date of Patent: February 18, 2014Assignee: Hilti AktiengesellschaftInventor: Guenter Haas
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Patent number: 8640347Abstract: A hand-operated jigsaw is disclosed. The reciprocating drive mechanism has a reciprocating body which can be put into a reciprocating motion along an axis via an eccentric of an eccentric wheel that can be set in motion by the motor. The eccentric wheel is arranged on a pivot bearing axis. The reciprocating drive mechanism has an additional mass with a mass center of gravity to minimize vibrations. The additional mass is arranged in a rotationally fixed manner with the eccentric wheel on the pivot bearing axis. An eccentric axis of the eccentric lies on a first radial of the pivot bearing axis, which is offset from a second radial in the operating direction of rotation of the eccentric wheel at an angle of between 190° and 270°, which second radial lies between the mass center of gravity of the additional mass and the pivot bearing axis.Type: GrantFiled: October 29, 2009Date of Patent: February 4, 2014Assignee: Hilti AktiengesellschaftInventors: Konstantin Baxivanelis, Michael Weber, Guenter Haas
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Publication number: 20120192437Abstract: A fastening apparatus for a limit stop element of an electric hand tool, in particular a hand circular saw, is disclosed. The fastening apparatus includes a guide, into which the limit stop element can be inserted and along which it can be displaced, and a locking mechanism, which can lock the limit stop element in the displacement direction. The locking mechanism has a spring element, which, in its locked position, clamps the limit stop element with a clamping force directed against the limit stop element and, in a released position, permits a displacement of the limit stop element.Type: ApplicationFiled: July 28, 2011Publication date: August 2, 2012Applicant: Hilti AktiengesellschaftInventor: Guenter HAAS
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Publication number: 20120073141Abstract: A hand-held electric power tool (1) having a tool (6) that can be rotated around a rotational axis (8) by the drive unit (3), having a protective cover (7) that at least partially surrounds the tool (6), having an outlet opening (12) that conveys out of the protective cover (7) the material removed from the workpiece that is to be machined, and having a suction adapter (13) that is connected to the protective cover (7) and that has a connection section (21) with a suction opening (22) for connecting a suction device, the suction adapter (13) having a guide device (23) for guiding the material being removed, the guide device (23) having an outlet opening (26) that differs from the suction opening (22).Type: ApplicationFiled: September 13, 2011Publication date: March 29, 2012Applicant: Hilti AktiengesellschaftInventors: Markus Looser, Konstantin Baxivanelis, Guenter Haas, Bernhard Link
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Patent number: 8141257Abstract: A hand-held reciprocating power saw (10) includes a reciprocation member (21) for reciprocatingly moving a working tool, a compensation mass (22), a motor-driven eccentric wheel (23) having a first eccentric (24) for reciprocatingly displacing the reciprocation member (21) and a second eccentric (25) for reciprocating the compensation mass (22) along an axis (A), with the outer surface (28) of the second eccentric (25) engaging in an opening (26) provided in the compensation mass (22) and defined by a circumferential wall (27), and an intermediate member (30) arranged between the circumferential wall (27) and the outer surface (28) of the second eccentric (25) at least in the contact regions (41, 42), between the circumferential wall (27) and the outer surface of second eccentric, with the intermediate member (30) having a first radial extension (R1) oriented parallel to the axis (A) and a second radial extension (R2) oriented perpendicular to the axis (A) and greater than the first radial extension (R1).Type: GrantFiled: June 3, 2009Date of Patent: March 27, 2012Assignee: Hilti AkietengesellschaftInventor: Guenter Haas
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Publication number: 20120023760Abstract: A circular saw, in particular hand circular saw, is disclosed. The circular saw has a workpiece support surface, a saw blade and a protective cover, which covers the saw blade in a region above a workpiece to be processed. The protective cover has such a geometry and position with respect to the saw blade that a straight line, which originates from the first deflection of a tangent applied at the intersection of the saw blade circumference with the workpiece support surface from the protective cover encloses an angle of up to 30°, in particular up to 20°, with a line perpendicular to the workpiece support surface.Type: ApplicationFiled: July 28, 2011Publication date: February 2, 2012Applicant: Hilti AktiengesellschaftInventor: Guenter HAAS
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Publication number: 20100180455Abstract: A hand-held reciprocating power saw (10) includes a reciprocation member (21) for reciprocatingly moving a working tool, a compensation mass (22), a motor-driven eccentric wheel (23) having a first eccentric (24) for reciprocatingly displacing the reciprocation member (21) and a second eccentric (25) for reciprocating the compensation mass (22) along an axis (A), with the outer surface (28) of the second eccentric (25) engaging in an opening (26) provided in the compensation mass (22) and defined by a circumferential wall (27), and an intermediate member (30) arranged between the circumferential wall (27) and the outer surface (28) of the second eccentric (25) at least in the contact regions (41, 42), between the circumferential wall (27) and the outer surface of second eccentric, with the intermediate member (30) having a first radial extension (R1) oriented parallel to the axis (A) and a second radial extension (R2) oriented perpendicular to the axis (A) and greater than the first radial extension (R1).Type: ApplicationFiled: June 3, 2009Publication date: July 22, 2010Inventor: Guenter Haas
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Publication number: 20100107427Abstract: A hand-operated jigsaw is disclosed. The reciprocating drive mechanism has a reciprocating body which can be put into a reciprocating motion along an axis via an eccentric of an eccentric wheel that can be set in motion by the motor. The eccentric wheel is arranged on a pivot bearing axis. The reciprocating drive mechanism has an additional mass with a mass center of gravity to minimize vibrations. The additional mass is arranged in a rotationally fixed manner with the eccentric wheel on the pivot bearing axis. An eccentric axis of the eccentric lies on a first radial of the pivot bearing axis, which is offset from a second radial in the operating direction of rotation of the eccentric wheel at an angle of between 190° and 270°, which second radial lies between the mass center of gravity of the additional mass and the pivot bearing axis.Type: ApplicationFiled: October 29, 2009Publication date: May 6, 2010Applicant: Hilti AktiengesellschaftInventors: Konstantin BAXIVANELIS, Michael Weber, Guenter Haas
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Publication number: 20090151967Abstract: An electrical hand-held power tool includes a driving element (9; 9?) displaceable in the tool housing (8) along a drive axis (A) for driving a working tool (7, 7?), and at least one rigid electrical module located in the housing (8), and secured therein by at least one spring (4) that preloads the electrical module against the housing (8).Type: ApplicationFiled: December 9, 2008Publication date: June 18, 2009Inventors: Guenter Haas, Franz Moessnang, Josef Fuenfer
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Publication number: 20090151174Abstract: A motor-driven reciprocating saw (10) includes a guide device (20) the guide member (21) of which has a base body (25) and a guide sole (27) provided on the base body (25) and having a first layer (31) formed of a rigid material with a low frictional adhesion and forming a bearing surface (28) for the workpiece, a third layer (33) likewise formed of a rigid material and formed integrally with the base body (25), and a second layer (32) formed of a vibration-damping material and located between the first and third layers (31 and 33).Type: ApplicationFiled: December 11, 2008Publication date: June 18, 2009Inventors: Adrian Steingruber, Frank Despineux, Guenter Haas
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Publication number: 20080263876Abstract: A motor-driven saber saw includes a guide device releasably connectable with the saw housing (11) in a region of the neck (13) and including a guide element (21) for guiding the saber saw (10) over a workpiece, a connection device (22) for connecting the guide element (21) to the housing (11) and having at least one connection part extending along an axis (A) and connectable with the neck (13), with the guide element (21) being supported on the at least one connection part (24) for displacement along the axis (A), and with the guide device (20) further including at least one spring element (27) located between the at least one connection part (24) and the guide element (21).Type: ApplicationFiled: April 14, 2008Publication date: October 30, 2008Inventors: Guenter Haas, Bernhard Link, Adrian Steingruber, Eberhard Lang
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Patent number: 7216433Abstract: The present invention relates to a reciprocating saw tool (10) having a motor drive (17) with a reciprocating driver (21) for a tool (15) and having a mass equilibrating body (22). In addition, a device (20) is provided, which serves to convert a rotary movement of the motor drive (17) into a reciprocating movement of the reciprocating driver (21) along a first movement axis (41) and an opposite reciprocating movement of the mass equilibrating body (22) along a second movement axis (42). For improving the sawing performance, the mass equilibrating body (22) is guided at an angle ? to the reciprocating driver (21) so that its movement axis (42) is constantly at an angle to the movement axis (41) of the reciprocating driver (21).Type: GrantFiled: May 5, 2005Date of Patent: May 15, 2007Assignee: Hilti AktiengesellschaftInventors: Guenter Haas, Louis Widmer
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Patent number: 7191847Abstract: A drive for a motor-driven hand-held tool includes a motor (17) and a gear mechanism (20) for converting a rotational movement of the motor (17) into a reciprocating movement of the reciprocating drive element (30) for a working tool, with the gear mechanism (20) having a transmission element (23) axially secured on a support (21) with a support member (26) and including a mass-balance member (31), a first eccentric take-off element (24) cooperating with the reciprocating drive element (30) and a second eccentric take-off element (25) cooperating with the mass-balance member (31) for imparting reciprocating movement thereto, and with the support member (26) forming a slide support surface for the mass-balance member (31).Type: GrantFiled: December 7, 2004Date of Patent: March 20, 2007Assignee: Hilti AktiengesellschaftInventor: Guenter Haas
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Publication number: 20050262708Abstract: The present invention relates to a reciprocating saw tool (10) having a motor drive (17) with a reciprocating driver (21) for a tool (15) and having a mass equilibrating body (22). In addition, a device (20) is provided, which serves to convert a rotary movement of the motor drive (17) into a reciprocating movement of the reciprocating driver (21) along a first movement axis (41) and an opposite reciprocating movement of the mass equilibrating body (22) along a second movement axis (42). For improving the sawing performance, the mass equilibrating body (22) is guided at an angle ? to the reciprocating driver (21) so that its movement axis (42) is constantly at an angle to the movement axis (41) of the reciprocating driver (21).Type: ApplicationFiled: May 5, 2005Publication date: December 1, 2005Inventors: Guenter Haas, Louis Widmer