Patents by Inventor Christoph Hakenholt
Christoph Hakenholt 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: 20240120722Abstract: A line feedthrough for guiding at least one line through a component, contains a cladding tube, a fastening element, and at least one sealing element which is in the form of a flexible hose body and arranged within the cladding tube. The hose body is connected, in a first axial end region, to the fastening element. It is possible to displace said hose body between a closed position, in which the hose body at least partially closes a passage through the hose body, and an open position, in which a passage through the hose body is at least partially unblocked. A spring device is provided that acts on the fastening element, which can be displaced in the longitudinal direction (L) relative to the cladding tube, with a force that presses the hose body toward a closed position.Type: ApplicationFiled: September 30, 2020Publication date: April 11, 2024Applicant: Hilti AktiengesellschaftInventors: Huu Toan NGUYEN, Christoph Hakenholt
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Patent number: 11725753Abstract: A line feedthrough for guiding at least one line through a component, contains a cladding tube, at least one element which is mounted within the cladding tube and can rotate relative to the cladding tube, and a sealing element which is in the form of a flexible hose body and arranged within the cladding tube and the element. The hose body is connected, in an axial end region, to the element and can be displaced by rotational movement between a closed position and an open position. A guide element is provided which can be displaced in the longitudinal direction relative to the cladding tube, and which cooperates with a guide track of the element. The guide track of the element is in a spiral shape, such that a displacement of the guide element in the longitudinal direction leads to a rotation of the element relative to the cladding tube.Type: GrantFiled: September 30, 2020Date of Patent: August 15, 2023Assignee: Hilti AktiengesellschaftInventors: Huu Toan Nguyen, Christoph Hakenholt
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Publication number: 20220364660Abstract: A line feedthrough for guiding at least one line through a component, contains a cladding tube, at least one element which is mounted within the cladding tube and can rotate relative to the cladding tube, and a sealing element which is in the form of a flexible hose body and arranged within the cladding tube and the element. The hose body is connected, in an axial end region, to the element and can be displaced by rotational movement between a closed position and an open position. A guide element is provided which can be displaced in the longitudinal direction relative to the cladding tube, and which cooperates with a guide track of the element. The guide track of the element is in a spiral shape, such that a displacement of the guide element in the longitudinal direction leads to a rotation of the element relative to the cladding tube.Type: ApplicationFiled: September 30, 2020Publication date: November 17, 2022Applicant: Hilti AktiengesellschaftInventors: Huu Toan NGUYEN, Christoph Hakenholt
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Patent number: 10823219Abstract: A thread-forming screw has a shank which, in a front region of the shank, has a tip for insertion into a bore in a substrate, and in a rear region of the shank, has a drive for transmitting a torque to the shank. The shank has a spiral-shaped groove and a thread spiral which is inserted into the spiral-shaped groove. The spiral-shaped groove has a front flank and a rear flank disposed opposite the front flank. The front flank, at least regionally, has a different part flank angle than the rear flank.Type: GrantFiled: October 4, 2016Date of Patent: November 3, 2020Assignee: Hilti AktiengesellschaftInventors: Christoph Hakenholt, Bernhard Winkler, Roland Schneider, Robert Spring, Huu Toan Nguyen
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Patent number: 10792799Abstract: A power tool 1 including a bit socket 6 which is configured to hold a chiseling bit 7 so that the latter can move along an axis of movement 3. A magneto-pneumatic striking mechanism 2 includes a primary drive 22 that is arranged around the axis of movement 3 and that has a first magnet coil 46, a permanently and radially magnetizable ring magnet 42 and a second magnet coil 47 arranged consecutively in the striking direction 5. On the axis of movement 3, inside the magnet coils 46, 47, the striking mechanism 2 has a striker 4 and a striking block 13 arranged consecutively in the striking direction 5. An air cushion 23 acts upon the striker 4 in the striking direction 5.Type: GrantFiled: June 12, 2013Date of Patent: October 6, 2020Assignee: Hilti AktiengesellschaftInventors: Albert Binder, Christoph Hakenholt, Jochen Kuntner
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Patent number: 10543591Abstract: A machine tool is disclosed. A magneto-pneumatic striking mechanism has a primary actuator arranged around an axis of movement and includes a first magnetic coil and a second magnetic coil. The striking mechanism has, on the axis of movement within the magnetic coils, a striker and a die. Furthermore, the striking mechanism has an air spring acting on the striker in a direction of impact. The air spring may be entirely or partially within the first magnetic coil. The air spring has a ventilation opening that is open to the environment if the striker is less than 10% of its stroke away from the die, and otherwise the ventilation opening is closed. An exchange of air with the environment is therefore only possible when the striker is near the die or is near the impact position.Type: GrantFiled: June 14, 2013Date of Patent: January 28, 2020Assignee: Hilti AktiengesellschaftInventors: Albert Binder, Michael Wierer, Christoph Hakenholt
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Patent number: 10458458Abstract: A fastening arrangement with a screw having a shank with a front end that is to be inserted into a hole drilled into a substrate, and at least one thread, whereby the thread is arranged on the shank, and with a squeezing unit having a compound reservoir containing a compound for filling a gap that exists between the shank and the wall of the drilled hole, with a squeezing disk towards which the front end of the shank can be moved in order to squeeze the compound out of the reservoir, and having a holding element for fastening the squeezing disk in the drilled hole, whereby, arranged on the holding element, on the one hand, there is the squeezing disk and, on the other hand, a stop element that comes to rest against the opening of the drilled hole.Type: GrantFiled: March 31, 2015Date of Patent: October 29, 2019Assignee: Hilti AktienbesellschaftInventors: Christoph Hakenholt, Anke Wildermuth
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Patent number: 10202998Abstract: An anchor (1) that can be secured in a drilled hole (2), with an expansion sleeve (10) for anchoring onto a wall of the drilled hole, and with an anchor bolt (20) that passes through the expansion sleeve and that has an expansion section (38) for widening the expansion sleeve, and it also has a sleeve stop (22) that limits axial movement of the expansion sleeve away from the expansion section (38) is provided. At least one rotary catch (24) is provided which non-rotatably couples the expansion sleeve (10) to the anchor bolt (20), and the expansion sleeve has at least one external thread helix (14) for creating an undercut in the wall of the drilled hole.Type: GrantFiled: April 2, 2014Date of Patent: February 12, 2019Assignee: Hilti AktiengesellschaftInventors: Falk Rosenkranz, Michael Beckert, Christoph Hakenholt
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Publication number: 20190017529Abstract: An injector for filling an annular space formed around an anchor bolt includes a piston disk which has a through-opening for the anchor bolt and a quantity of curable compound mounted upstream of the piston disk, where the piston disk forms a piston for forcing at least some of the quantity of curable compound into the annular space.Type: ApplicationFiled: January 10, 2017Publication date: January 17, 2019Applicant: Hilti AktiengesellschaftInventors: Christoph HAKENHOLT, Bernhard SCHRANZ, Huu Toan NGUYEN
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Publication number: 20180283435Abstract: A thread-forming screw has a shank which, in a front region of the shank, has a tip for insertion into a bore in a substrate, and in a rear region of the shank, has a drive for transmitting a torque to the shank. The shank has a spiral-shaped groove and a thread spiral which is inserted into the spiral-shaped groove. The spiral-shaped groove has a front flank and a rear flank disposed opposite the front flank. The front flank, at least regionally, has a different part flank angle than the rear flank.Type: ApplicationFiled: October 4, 2016Publication date: October 4, 2018Applicant: Hilti AktiengesellschaftInventors: Christoph HAKENHOLT, Bernhard WINKLER, Roland SCHNEIDER, Robert SPRING, Huu Toan NGUYEN
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Publication number: 20170138390Abstract: A fastening arrangement with a screw having a shank with a front end that is to be inserted into a hole drilled into a substrate, and at least one thread, whereby the thread is arranged on the shank, and with a squeezing unit having a compound reservoir containing a compound for filling a gap that exists between the shank and the wall of the drilled hole, with a squeezing disk towards which the front end of the shank can be moved in order to squeeze the compound out of the reservoir, and having a holding element for fastening the squeezing disk in the drilled hole, whereby, arranged on the holding element, on the one hand, there is the squeezing disk and, on the other hand, a stop element that comes to rest against the opening of the drilled hole.Type: ApplicationFiled: March 31, 2015Publication date: May 18, 2017Inventors: Christoph Hakenholt, Anke Wildermuth
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Patent number: 9593703Abstract: An expansion anchor, in particular for mineral construction materials, for example, concrete, is disclosed. A generic expansion anchor is equipped with an expansion sleeve for anchoring on a borehole wall and with an anchor bolt, which is disposed through the expansion sleeve, where the anchor bolt has an expansion region for expansion of the expansion sleeve. The anchor bolt has a cutting thread for cutting a thread into the borehole wall. A respective setting tool and setting method are also disclosed.Type: GrantFiled: December 5, 2012Date of Patent: March 14, 2017Assignee: Hilti AktiengesellschaftInventors: Christoph Hakenholt, Joerg Appl
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Publication number: 20160053792Abstract: An anchor (1) that can be secured in a drilled hole (2), with an expansion sleeve (10) for anchoring onto a wall of the drilled hole, and with an anchor bolt (20) that passes through the expansion sleeve and that has an expansion section (38) for widening the expansion sleeve, and it also has a sleeve stop (22) that limits axial movement of the expansion sleeve away from the expansion section (38) is provided. At least one rotary catch (24) is provided which non-rotatably couples the expansion sleeve (10) to the anchor bolt (20), and the expansion sleeve has at least one external thread helix (14) for creating an undercut in the wall of the drilled hole.Type: ApplicationFiled: April 2, 2014Publication date: February 25, 2016Applicant: HILTI AKTIENGESELLSCHAFTInventors: Falk Rosenkranz, Michael Beckert, Christoph Hakenholt
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Patent number: 9259830Abstract: A striking mechanism includes a working space whose first section is surrounded by a first electromagnet and whose second section is surrounded by a second electromagnet; a striking element that can move along a striking axis inside the working space and that has a magnetizable material; an anvil whose striking surface delimits the working space in the striking direction and which protrudes into the first magnetic coil and which is made of a magnetically soft material. A spring element is provided which exerts a force onto the striking element in every position in the working space in the direction of the anvil.Type: GrantFiled: January 19, 2010Date of Patent: February 16, 2016Assignee: Hilti AktiengesellschaftInventors: Hanspeter Schad, Christoph Hakenholt, Sherhey Khandozhko, Jochen Kuntner, Guenther Sanchen, Chafic Abu Antoun, Johann Dorfmeister
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Publication number: 20150167715Abstract: An expansion anchor, in particular for mineral construction materials, for example, concrete, is disclosed. A generic expansion anchor is equipped with an expansion sleeve for anchoring on a borehole wall and with an anchor bolt, which is disposed through the expansion sleeve, where the anchor bolt has an expansion region for expansion of the expansion sleeve. The anchor bolt has a cutting thread for cutting a thread into the borehole wall. A respective setting tool and setting method are also disclosed.Type: ApplicationFiled: December 5, 2012Publication date: June 18, 2015Applicant: Hilti AktiengesellschaftInventors: Christoph Hakenholt, Joerg Appl
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Publication number: 20130333909Abstract: A machine tool is disclosed. A magneto-pneumatic striking mechanism has a primary actuator arranged around an axis of movement and includes a first magnetic coil and a second magnetic coil. The striking mechanism has, on the axis of movement within the magnetic coils, a striker and a die. Furthermore, the striking mechanism has an air spring acting on the striker in a direction of impact. The air spring may be entirely or partially within the first magnetic coil. The air spring has a ventilation opening that is open to the environment if the striker is less than 10% of its stroke away from the die, and otherwise the ventilation opening is closed. An exchange of air with the environment is therefore only possible when the striker is near the die or is near the impact position.Type: ApplicationFiled: June 14, 2013Publication date: December 19, 2013Inventors: Albert BINDER, Michael Wierer, Christoph Hakenholt
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Publication number: 20130333911Abstract: A power tool 1 including a bit socket 6 which is configured to hold a chiseling bit 7 so that the latter can move along an axis of movement 3. A magneto-pneumatic striking mechanism 2 includes a primary drive 22 that is arranged around the axis of movement 3 and that has a first magnet coil 46, a permanently and radially magnetizable ring magnet 42 and a second magnet coil 47 arranged consecutively in the striking direction 5. On the axis of movement 3, inside the magnet coils 46, 47, the striking mechanism 2 has a striker 4 and a striking block 13 arranged consecutively in the striking direction 5. An air cushion 23 acts upon the striker 4 in the striking direction 5.Type: ApplicationFiled: June 12, 2013Publication date: December 19, 2013Inventors: Albert Binder, Christoph Hakenholt, Jochen Kuntner
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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: 20100206593Abstract: A striking mechanism includes a working space whose first section is surrounded by a first electromagnet and whose second section is surrounded by a second electromagnet; a striking element that can move along a striking axis inside the working space and that has a magnetizable material; an anvil whose striking surface delimits the working space in the striking direction and which protrudes into the first magnetic coil and which is made of a magnetically soft material. A spring element is provided which exerts a force onto the striking element in every position in the working space in the direction of the anvil.Type: ApplicationFiled: January 19, 2010Publication date: August 19, 2010Applicant: Hilti AktiengesellschaftInventors: Hanspeter Schad, Christoph Hakenholt, Sherhey Khandozhko, Jochen Kuntner, Guenther Sanchen, Chafic Abu Antoun, Johann Dorfmeister