Patents by Inventor Bernhard SANDERS
Bernhard SANDERS 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: 20230381850Abstract: A device for machining rolling element pockets in a workpiece includes a workpiece support, a main spindle, a clamping means fastened to the main spindle, a pressure cylinder and a machining tool. The clamping means includes a receiving arrangement for fastening the clamping means to the main spindle and a pressure plate for pressing the workpiece on the workpiece support. The pressure plate has a passage opening. The pressure cylinder connects the receiving arrangement to the pressure plate. The pressure cylinder is arranged to provide a force to adjust a contact pressure of the pressure plate on the workpiece. The machining tool is fastened to the main spindle and guidable through the passage opening to machine the workpiece.Type: ApplicationFiled: November 3, 2021Publication date: November 30, 2023Applicant: Schaeffler Technologies AG & Co. KGInventors: Bernhard Sanders, Stefan Conrad
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Publication number: 20220203461Abstract: A milling tool includes a main body and a plurality of cutting inserts with respective cutting edges. The main body has an end face and a barrel-shaped curved lateral face. A first group of the plurality of cutting inserts are fastened on the end face, a second group of the plurality of cutting inserts are fastened on the barrel-shaped curved lateral face, and the respective cutting edges describe a barrel shape. Each one of the plurality of cutting inserts may be designed as an indexable insert.Type: ApplicationFiled: March 25, 2020Publication date: June 30, 2022Applicant: Schaeffler Technologies AG & Co. KGInventors: Bernhard Sanders, Stefan Conrad
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Patent number: 11022173Abstract: A method of manufacturing, comprising utilizing at least one cycloid machine to machine a component blank, wherein the component blank includes a plurality of pockets, guiding a tool cutting lip of a chisel along a cycloid path relative to the component blank rotating about a component rotation axis in a component direction of rotation, rotating the chisel about a tool rotating axis, wherein the tool rotating axis is arranged offset to the component rotating axis, machining the plurality of pockets, wherein a radial vector to a tool rotation axis that extends through a cutting edge of the tool cutting lip, and dividing the tool cutting lip into a clearance angle portion and into a rake angle portion, wherein the clearance angle portion is configured to be at least twice as large as the rake angle portion of the chisel.Type: GrantFiled: October 27, 2016Date of Patent: June 1, 2021Assignee: SCHAEFFLER TECHNOLOGIES AG & CO. KGInventors: Bernhard Sanders, Tobias Noeth
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Publication number: 20180347629Abstract: A method of manufacturing, comprising utilizing at least one cycloid machine to machine a component blank, wherein the component blank includes a plurality of pockets, guiding a tool cutting lip of a chisel along a cycloid path relative to the component blank rotating about a component rotation axis in a component direction of rotation, rotating the chisel about a tool rotating axis, wherein the tool rotating axis is arranged offset to the component rotating axis, machining the plurality of pockets, wherein a radial vector to a tool rotation axis that extends through a cutting edge of the tool cutting lip, and dividing the tool cutting lip into a clearance angle portion and into a rake angle portion, wherein the clearance angle portion is configured to be at least twice as large as the rake angle portion of the chisel.Type: ApplicationFiled: October 27, 2016Publication date: December 6, 2018Applicant: SCHAEFFLER TECHNOLOGIES AG & CO . KGInventors: Bernhard SANDERS, Tobias NOETH
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Patent number: 9314912Abstract: A hand-held power tool is disclosed. The power tool has a linear motor with a rotor, an exciter piston that is coupled mechanically to the rotor, and a bearing device with a rotor mounting to support the longitudinal movement of the rotor and an exciter piston mounting to support the exciter piston. The rotor mounting and the exciter piston mounting form a three-point mounting, which is the sole bearing for the rotor and the exciter piston.Type: GrantFiled: July 25, 2012Date of Patent: April 19, 2016Assignee: Hilti AktiengesellschaftInventors: Albert Binder, Richard Clark, Sarah Duggan, Bernhard Sander
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Patent number: 8635832Abstract: In an installation channel to be embedded into a curable construction material, e.g. concrete, having a support profile and preferably an attachment for attaching at least one add-on part to the installation channel, so that the outside of the support profile has a direct connection to the curable construction material at an embedding area, a potential fault block should be large so that large forces can be absorbed by the installation channel. A compressible insert is fastened to the outside of the support profile at the embedding area, so that part of the outside of the support profile is not in direct contact with the curable construction material at the embedding area.Type: GrantFiled: January 12, 2011Date of Patent: January 28, 2014Assignee: Hilti AktiengesellschaftInventors: Markus Heudorfer, Bernhard Sander, Holger Basche, Denis Novokshanov, Bernhard Winkler
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Publication number: 20130186664Abstract: A hand-held power tool is disclosed. The power tool has a linear motor with a rotor, an exciter piston that is coupled mechanically to the rotor, and a bearing device with a rotor mounting to support the longitudinal movement of the rotor and an exciter piston mounting to support the exciter piston. The rotor mounting and the exciter piston mounting form a three-point mounting, which is the sole bearing for the rotor and the exciter piston.Type: ApplicationFiled: July 25, 2012Publication date: July 25, 2013Applicant: Hilti AktiengesellschaftInventors: Albert Binder, Richard Clark, Sarah Duggan, Bernhard Sander
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Publication number: 20130186668Abstract: A handheld power tool is disclosed. The handheld power tool has a linear motor with a rotor. The tool also has a bearing device which has a bearing position for bearing support of the rotor. The bearing position has at least one guide strip which engages in a recess provided in the rotor.Type: ApplicationFiled: July 25, 2012Publication date: July 25, 2013Applicant: Hilti AktiengesellschaftInventors: Christoph HAKENHOLT, Bernhard SANDER
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Publication number: 20130145720Abstract: In an installation channel to be embedded into a curable construction material, e.g. concrete, having a support profile and preferably an attachment for attaching at least one add-on part to the installation channel, so that the outside of the support profile has a direct connection to the curable construction material at an embedding area, a potential fault block should be large so that large forces can be absorbed by the installation channel. A compressible insert is fastened to the outside of the support profile at the embedding area, so that part of the outside of the support profile is not in direct contact with the curable construction material at the embedding area.Type: ApplicationFiled: January 12, 2011Publication date: June 13, 2013Inventors: Markus Heudorfer, Bernhard Sander, Holger Basche, Denis Novokshanov, Bernhard Winkler
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Publication number: 20120192404Abstract: A concrete screw is disclosed. The concrete screw has a shaft section, a thread section, which is arranged on the front end of the concrete screw and is provided with at least one expansion slot, and an expansion element, which is allocated to the expansion slot such that the expansion element expands the expansion slot during screw-in. A method and a tangential impact screwdriver for driving in such a concrete screw are also disclosed.Type: ApplicationFiled: January 27, 2012Publication date: August 2, 2012Applicant: Hilti AktiengesellschaftInventors: Falk ROSENKRANZ, Christian Koenig, Bernhard Sander
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Patent number: 7926584Abstract: A hand-held power tool (1) includes a linear motor (2) having a rotor (3) which is movable along a percussion axis (A) in an axially limited manner between two reversal points (W) and which can be driven by the striking piston (5) of the power tool with the intermediary of an air spring (4), sensors designed for determining the actual state of the rotor (3) and connected to a computer (9) connected via power electronics (33) to at least one field coil (10) of the linear motor (2), with the rotor (3) being displaced against a contact element (11a, 11b) at least at one reversal point (W) and being pressed against the contact element electromagnetically; and a control process for the hand-held power tool.Type: GrantFiled: August 26, 2008Date of Patent: April 19, 2011Assignee: Hilti AktiengesellschaftInventors: Alexander John, Bernhard Sander, Albert Binder
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Publication number: 20100247267Abstract: A method is described for anchoring a fastening element (11) in a mineral component (1), in which a bore hole (2) is provided in the component (1) using a drill bit having a nominal drill bit diameter, and a fastening element (11) is then screwed into the provided bore hole (2). The fastening element (11) has a shank (12) which is provided with rotary engagement device (16) for a setting tool, and has a core diameter (K) and cutting edges (21) on a first end region. The fastening element has a self-tapping thread (17) in which the difference between the outer diameter of the thread (17) and the core diameter (K) of the shank (12) corresponds to 0.05 to 0.7 times the pitch of the thread (17). A drill bit is used which has a nominal drill bit diameter corresponding to 0.95 to 1.10 times the core diameter (K) of the shank (12). Also described is a fastening element (11) for anchoring in a mineral component (1).Type: ApplicationFiled: March 23, 2010Publication date: September 30, 2010Applicant: Hilti AktiengesellschaftInventors: Pietro Bianchi, Bernhard Sander, Falk Rosenkranz, Peter Gstach, Georg Oberndorfer, Bernhard Winkler
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Publication number: 20100021261Abstract: A flat ring-shaped anchoring element (11; 31; 71) for mounting on a shaft (52; 62) of a fastening element (51; 61) provided with an outer profile (53), includes a through-opening (12; 32) for the shaft (52; 62) and at least one compensation recess (13; 33) located radially outwardly of the through-opening (12; 32) and opening thereto.Type: ApplicationFiled: July 16, 2009Publication date: January 28, 2010Inventors: Pietro Bianchi, Roger Tognini, Bernhard Sander, Clemens Lutz, Joerg Appl
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Publication number: 20100021260Abstract: An anchoring element for being mounted on a shaft (52; 62; 72; 92) of a fastening element (51; 61; 71; 91) has a through-opening for the shaft (52; 62; 72; 92) and a strip extending around the through-opening (12; 32; 82) over an angular region of more than 360°.Type: ApplicationFiled: July 23, 2009Publication date: January 28, 2010Inventors: Pietro Bianchi, Roger Tognini, Bernhard Sander, Clemens Lutz, Joerg Appl, Walter Konrad
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Publication number: 20100021259Abstract: An anchoring element for being mounted on a shaft (52) of a fastening element (51) includes a sleeve-shaped base body (13; 33; 63; 73; 83) forming a through-opening (12; 32; 62; 72; 82) for the shaft (52), and anchoring sections (15; 35; 85) projecting outwardly from an outer side of the base body (13) for anchoring on a wall of a borehole (42). Each of the anchoring sections (15; 35; 85) has at least four sides, with one of the sides forming a connection side (89) for connecting a respective anchoring section (15; 35, 85) with the base body (13; 33; 63; 73; 83) and with at least a side located opposite the connection side (89) forming a cleaning side (90) of the respective anchoring section (15; 35; 85). The cleaning side (90) has at least one cleaning edge for cleaning the wall of the borehole (42) during driving of the anchoring element (11; 31; 61; 71; 81) in the borehole (42).Type: ApplicationFiled: July 23, 2009Publication date: January 28, 2010Inventors: Pietro Bianchi, Roger Tognini, Bernhard Sander, Clemens Lutz, Joerg Appl
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Publication number: 20090272066Abstract: A fastening assembly (11) for fastening a mounting part (6) to a constructional component (7) and including a fastening element (12) having a shaft (14) extending along a longitudinal axis (13), a holding portion (15) projecting radially at a first end of the shaft, and an anchoring portion (16) provided at the opposite, second, free end of the shaft for anchoring in the constructional component (7), and a shear force transmission element (21) provided on the fastening element (12) between the holding portion (15) and the anchoring portion (16) in the set state of the fastening assembly in the through-opening (8) of the mounting part (6), with the shear force transmission element (21) having, in a mounted state thereof, an axial length (L) that is smaller than its initial axial length and that is reduced from its initial axial length (H) by the holding portion (15) of the fastening element (12).Type: ApplicationFiled: April 28, 2009Publication date: November 5, 2009Inventors: Falk Rosenkranz, Holger Basche, Bernhard Sander, Marc Schaeffer
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Publication number: 20090065226Abstract: A hand-held power tool (1) includes a linear motor (2) having a rotor (3) which is movable along a percussion axis (A) in an axially limited manner between two reversal points (W) and which can be driven by the striking piston (5) of the power tool with the intermediary of an air spring (4), sensors designed for determining the actual state of the rotor (3) and connected to a computer (9) connected via power electronics (33) to at least one field coil (10) of the linear motor (2), with the rotor (3) being displaced against a contact element (11a, 11b) at least at one reversal point (W) and being pressed against the contact element electromagnetically; and a control process for the hand-held power tool.Type: ApplicationFiled: August 26, 2008Publication date: March 12, 2009Inventors: Alexander John, Bernhard Sander, Albert Binder
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Patent number: 7497277Abstract: A clamping device connects two, axially harmonically oscillating components which oscillate, as a result of their respective plane surfaces impacting each other with a frequency ? in the form of a stationary longitudinal wave with a distance A between two nodes K. The clamping device includes an axially extending springy gripping yoke having two clamping elements. The two clamping elements are located at opposite ends of the gripping yoke. The two clamping elements are spaced apart from each other by a distance corresponding to the distance A between the two nodes K of the longitudinal wave.Type: GrantFiled: March 31, 2006Date of Patent: March 3, 2009Assignee: Hilti AktiengesellschaftInventors: Bernhard Sander, Alexander John
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Publication number: 20090016813Abstract: A chemically anchorable fastening element (6), includes a holding section (16; 56) for contacting a wall of a borehole (6) and provided with a thread-tapping outer thread (19) and with a load application element (18; 58), a connection section (26; 66) adjoining the holding section (16; 56) and having a smaller radial dimensions than the holding section (16; 56), and an anchoring section (36; 76) adjoining the connection section (26; 66) and likewise having smaller radial dimensions than the holding section (16; 56).Type: ApplicationFiled: June 25, 2008Publication date: January 15, 2009Inventors: Rosa Maria Gonzalez, Nikolaus Hannoschoeck, Bernhard Sander
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Publication number: 20080075553Abstract: An expansion anchor has an anchor member (21; 51) that has a longitudinal bore (24), a load application element (25, 55) and an expansion section (22; 52) located between first and second sections (26, 27; 56, 57) of the anchor member (21) and a cross-section of which widens from the first section (26; 56) toward the second section (27; 57; and an expansion sleeve (13; 43) having an axial longitudinal bore (14) with which it is guided over the first section (26; 56) of the anchor member (21; 41) and an expansion region (15) located adjacent to the expansion section (22; 52) of the anchor member (21; 41), with at least one of the anchor member (21; 41) and the expansion sleeve (13; 43) having at least one through-opening (18; 58) for a hardenable mass (31) and which opens into one of the axial bore (54) of the anchor member or the axial bore (14) of the expansion sleeve.Type: ApplicationFiled: September 10, 2007Publication date: March 27, 2008Inventors: Rosa Maria Gonzalez Carquijero, Nikolaus Hannoschoeck, Otto Noser, Bernhard Sander