Patents Assigned to Bollhoff Verbindungstechnik GmbH
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Patent number: 11933345Abstract: A tolerance compensation arrangement for fastening first and second components with tolerance compensation in the distance between the first and second component, has a base unit with a cage element, a base element, a nut in the cage element, and an adjustment unit having a threaded sleeve with an outer thread and a dragging element. The thread of the threaded sleeve forms with the nut a first thread pairing of a first direction. A fastening screw can be inserted through an opening of the base unit and the adjustment unit, and the fastening screw is screwable into the base element via a second thread pairing of a second thread direction and is connectable to the adjustment unit via the dragging element, so that, when the fastening screw is screwed in, the adjustment unit is co-rotated and thereby moved into abutment with the second component.Type: GrantFiled: November 30, 2021Date of Patent: March 19, 2024Assignee: Böllhoff Verbindungstechnik GmbHInventors: Thomas Funke, Michael Kahre
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Patent number: 11933348Abstract: A connection between at least a first component A and a second component B with an attachment arrangement with tolerance compensation between the first component A and the second component B. The entire connection is fixated via a blind rivet which is not non-destructively detachable while a compensating sleeve spans a distance between the first component A and the second component B.Type: GrantFiled: May 7, 2019Date of Patent: March 19, 2024Assignee: Böllhoff Verbindungstechnik GmbHInventor: Martin Jodeleit
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Patent number: 11898593Abstract: A multipart adjustment element for a tolerance compensation arrangement for automatically compensating for tolerances in the spacing between a first and a second component. The adjustment element comprises a bush, a dragging element, a contact disc, and a securing sleeve. The bush has a bore, an outer thread with a first direction, and a step. The dragging element comprises at least one spring arm protruding radially inwards, wherein a first axial end of the dragging element is arranged on the step in the threaded bush. The contact disc is arranged adjacently to the first axial end of the threaded bush and has a through-opening. The securing sleeve likewise has a through-opening and is arranged at least partly in the bore of the threaded bush with a press-fit connection in order to securely connect the contact disc, the threaded bush, and the dragging element together.Type: GrantFiled: March 17, 2020Date of Patent: February 13, 2024Assignee: Böllhoff Verbindungstechnik GmbHInventor: Hans-Ulrich Figge
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Patent number: 11897098Abstract: An automatic installation machine, which is connectable to a tool so as to install a wire thread insert in a thread bore, includes a drive unit providing movement between a first and a second rotation direction, a setting spindle in rotation coupling with the drive unit so that during a transmission of a rotation movement from the drive unit, the setting spindle is displaceable in longitudinal direction independent of the rotation movement. A first pneumatic cylinder has a movable piston oriented parallel to the longitudinal direction of the setting spindle and coupled with an offset with the setting spindle so that the setting spindle is axially displaceable by the pneumatic cylinder. An actuating mandrel is arranged within the setting spindle and is driven rotation free, and the installation machine includes a tool chuck via which the tool for installing the insert is connectable with the setting spindle.Type: GrantFiled: August 6, 2021Date of Patent: February 13, 2024Assignee: Böllhoff Verbindungstechnik GmbHInventor: Daniel Stücker
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Patent number: 11883900Abstract: An apparatus of a setting welding device for an auxiliary joining part with a head and a shaft, includes a linear drive fastenable at the setting device and including an element nest at a movable end, in which an auxiliary joining part is releasably receivable from a transfer unit. The element nest is movable by the linear drive in a first direction. The element nest is supported in a floating manner, and is positionable via a mechanical stop alignment in abutment with an electrode punch in the joining direction below the electrode punch. And/or the element nest is connected with the linear drive via a mechanical direction-changing coupling component so that the element nest is movable by the linear drive in a second direction so that the auxiliary joining part is positionable at the joining location, wherein the second direction is not parallel to the first direction.Type: GrantFiled: January 26, 2021Date of Patent: January 30, 2024Assignee: Böllhoff Verbindungstechnik GmbHInventors: Dennis Schröder, Bernd Haesler, Kilian Doedtmann, Stefan Rehling, Sergej Hartwig-Biglau, Wilhelm Westermann, Oliver Schienstock
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Patent number: 11833578Abstract: A setting head for a joining device, such as a press or a setting device, which setting head comprises the following features: a punch which is movable in a longitudinal direction such that a joining element can be joined into a component by means of a punch face arranged at a working end of the punch; a hollow cylindrical receiving sleeve which has a through-passage and which, with the punch in the through-passage, is guided adjacent to the working end of the punch concentrically and axially movably thereon; and two mutually opposite holding arms arranged on the receiving sleeve outside the through-passage each provide at least one laterally inwardly projecting holding end, with the result that the at least two holding ends allow the joining element to be releasably positionable adjacent to a punch-remote outlet opening of the through-passage and by the axially movable working end of the punch.Type: GrantFiled: March 18, 2020Date of Patent: December 5, 2023Assignee: Böllhoff Verbindungstechnik GmbHInventors: Nils Oleff, Bernd Haesler, Dennis Schröder
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Patent number: 11821454Abstract: Wire thread insert consisting of a body with a plurality of helically wound windings, in which the plurality of helically wound windings comprises a first end winding and a second end winding which define the body at opposite axial ends, the first end winding has a first integral form-fitting means in a first end section and the second end winding has a second integral form-fitting means in a second end section, so that in an installed state of the wire thread insert a form-fit rotation-inhibiting connection with an adjacent component structure can be produced via the first and the second integral form-fitting means respectively.Type: GrantFiled: November 20, 2018Date of Patent: November 21, 2023Assignee: Böllhoff Verbindungstechnik GmbHInventors: Michael Stumpf, Marcel Purrio, Theodor Wenniges, Klaus-Friedrich Grubert, Alexej Butov, Anna-Katharina Schreiner
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Patent number: 11788564Abstract: A connection unit for connecting a first component to a second component with a distance in between. The connection unit has a connection screw having a head in the shape of a first ball segment and a shank. The shank has an outer thread. The connection unit also has a base element having: a second outer thread, and a first portion having a first inner diameter; a through-opening is provided at a second axial end and has a second inner diameter which is smaller than the first inner diameter, and an outer side of the base element is in the shape of a second ball segment. The first portion and the through-opening are distanced axially and are connected by a transition portion, which at least partly provides a bearing surface for the head of the connection screw, and the shank extends through the through-opening.Type: GrantFiled: October 2, 2019Date of Patent: October 17, 2023Assignee: Böllhoff Verbindungstechnik GmbHInventor: Heinrich Heinrichs
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Patent number: 11761477Abstract: A coupling bolt or pin, in particular a ball pin, with a coupling head, such as a ball head, and a thread shaft. The thread shaft comprises a thread in a longitudinal portion of the thread shaft, which extends parallel to a central longitudinal axis of the thread shaft. Within the longitudinal portion of the thread a thread inhibition is provided by means of which a frictional connection between the thread and a counter thread engaging therein and being present at a radial inner wall of a thread opening is increasable. A disc-shaped support structure is provided between the coupling pin and the thread, a radial extension of which is adaptable to a diameter of the thread opening so that the coupling pin is supportable against a lateral load with respect to the axis of the coupling pin within the thread opening.Type: GrantFiled: September 9, 2020Date of Patent: September 19, 2023Assignee: Böllhoff Verbindungstechnik GmbHInventors: Heinrich Heinrichs, Michael Kahre
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Patent number: 11754104Abstract: A component has a base bushing, which has a first axial end and an opposite second axial end and a first inner diameter, wherein the base bushing is equipped with a first internal thread with a first thread direction, and has a fastening bushing, which has a third axial end and an opposite fourth axial end and a second inner diameter. The fastening bushing is equipped with a second internal thread with a second thread direction which is opposite to the first thread direction, wherein the second inner diameter is smaller than the first inner diameter and the base bushing and the fastening bushing are separate elements and are arranged coaxially with respect to one another in the component. Alternatively, the base bushing and the fastening bushing are formed as a single piece.Type: GrantFiled: January 29, 2019Date of Patent: September 12, 2023Assignees: Böllhoff Verbindungstechnik GmbH, KVT Bielefeld GmbHInventors: Detlef Schulz, Michael Stumpf, Dirk Kortmann
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Patent number: 11754103Abstract: A tolerance compensation arrangement for fastening first and second components with compensation of tolerances between the components. The arrangement comprises a base element having a first element with a first inner thread, a second element with a second inner thread, a supporting element arranged in between, and an adjustment unit with a threaded sleeve with an outer thread and a dragging unit at least partially arranged in the sleeve. The outer thread forms a first thread pairing of a first thread direction with the first inner thread. A fastening screw, can be screwed into the second inner thread via a second thread pairing of a second thread direction opposite to the first thread direction. The fastening screw can be connected to the adjustment unit via the dragging unit so that, during the rotation of the fastening screw, the adjustment unit co-rotates and is moved into abutment with the first component.Type: GrantFiled: September 26, 2018Date of Patent: September 12, 2023Assignee: Böllhoff Verbindungstechnik GmbHInventors: Hans-Ulrich Figge, Wolfgang Hesse, Thorsten Stallmann
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Patent number: 11745433Abstract: A connection element for adhering to a component surface of a first component, such that a second component can be secured to the first component by the connection element, including a base element having an adhesive side with an adhesive surface, and a mounting structure. The base element consists of a thermoplastic with a temperature of continued use of at least 130° C., which can be poorly irradiated or cannot be irradiated with light, and has at least one irradiation region. The base element can be irradiated with light in this region in such a way that light energy penetrates the base element. The irradiation region, in cross-section, has a smaller thickness and a transmittance at least 20% with a light wavelength between 320 and 500 nm. Alternatively, the irradiation region is formed by a through-opening.Type: GrantFiled: May 29, 2019Date of Patent: September 5, 2023Assignee: Böllhoff Verbindungstechnik GmbHInventor: Franz Drüke
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Patent number: 11724374Abstract: A hollow-cylindrical preloading cartridge of an installation tool of a wire thread insert has a mandrel channel extending within the preloading cartridge, in which an assembly mandrel with an installation end and a drive end is guided in an inner mandrel guiding thread. The cartridge has an outer wall which encompasses the mandrel channel at least partly with a radial positioning window adjacent to a first axial end of the preloading cartridge facing away from the drive end of the assembly mandrel, through which a wire thread insert is positionable on the assembly mandrel. At least one first tactile detection unit projects beyond a ring-like front side of the cartridge on the first axial end and is offsetable parallel to a longitudinal axis of the cartridge, wherein an axial offset of the at least one tactile detection unit can be detected with a first detection sensor of the cartridge.Type: GrantFiled: November 2, 2022Date of Patent: August 15, 2023Assignee: Böllhoff Verbindungstechnik GmbHInventors: Marcel Purrio, Thorben Schiemann, Alexej Butov
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Patent number: 11702841Abstract: An arrangement for fastening first and second components with automatic compensation in spacing between the components has a base element with first and second axial ends and a holding structure for holding the base element in an opening of the first component. An adjusting unit screwable into the base element has a driver unit. A fastening screw is connectable to the adjusting unit via the driver unit, such that, when the fastening screw is rotated, the adjusting unit can be rotated conjointly and moved into contact with the second component. The holding structure has a holding segment arranged such that, by the holding segment, an angle between the first and second component can be compensated such that, when the adjusting unit makes contact with the second component, a longitudinal axis of the fastening arrangement runs perpendicular to a plane of the second component.Type: GrantFiled: December 11, 2018Date of Patent: July 18, 2023Assignee: Böllhoff Verbindungstechnik GmbHInventors: Hans-Ulrich Figge, Michael König, Heinrich Heinrichs, Gerald Welzel
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Patent number: 11698093Abstract: A blind rivet for establishing a screw connection between a support component and a fastening part has an elastic outer body and a metal bushing arranged therein. The outer body is at least partially surrounded by a fixing sleeve which fixes the outer body on an end portion in the metal bushing.Type: GrantFiled: December 11, 2018Date of Patent: July 11, 2023Assignee: Böllhoff Verbindungstechnik GmbHInventor: Heinrich Heinrichs
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Patent number: 11686336Abstract: A semi-hollow punch rivet by which a joint is establishable. The rivet includes: a rivet head having a rivet shaft, which comprises a lateral surface, a rivet foot having a foot front surface is provided at an end of the rivet shaft facing away from the rivet head, the foot front surface is perpendicular to a longitudinal axis LA of the rivet shaft, and a bell-like shaft cavity extends into the rivet shaft beginning at the end facing away from the head. The shaft cavity is formed by: an inlet portion beginning at a radial inner side of the foot front surface and extending arc-shaped with an inlet radius RS in the direction of the rivet head, a linearly extending continuation portion into which the inlet portion transitions tangentially and which is arranged in an acute angle with respect to the lateral surface, and a final dome portion.Type: GrantFiled: January 21, 2020Date of Patent: June 27, 2023Assignee: Böllhoff Verbindungstechnik GmbHInventors: Sergej Erbis, Dennis Henke, Franz Ferdinand Menne
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Patent number: 11680593Abstract: A retaining clamp of a quick release fastening device, which is latchable in a component opening and in which a fastening bolt is lockable, comprising the following features: two spring legs arranged opposite to each other in a V-shape, the arrangement of which comprises a tapered open end at which the V-shaped spring legs are not connected to each other, and the arrangement of which comprises a widened end, at which the V-shaped arranged spring legs are connected to each other via a connection web with a central passage opening, and each of the two spring legs arranged in a V-shape comprises a central window with a spring web arranged therein, which is fastened at one side and is at least once angled in its course in the direction of the widened end.Type: GrantFiled: December 10, 2020Date of Patent: June 20, 2023Assignee: Böllhoff Verbindungstechnik GmbHInventors: Michaela Muecke, Heinrich Heinrichs, Jan Norman Kratzsch
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Patent number: 11673206Abstract: A welding auxiliary joining part is disclosed in the shape of a stud having a head, a shank and a tip. The welding auxiliary joining part is driven in by means of a mechanical-thermal setting method into a component of non- or poorly weldable material. During the driving in, a welding head is created due to mechanical deformation so that the component may be connected subsequently via the welding auxiliary joining part to a further component of weldable material by means of welding.Type: GrantFiled: July 3, 2019Date of Patent: June 13, 2023Assignee: Böllhoff Verbindungstechnik GmbHInventors: Torsten Draht, Sergej Hartwig-Biglau
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Patent number: 11649844Abstract: A thread element mode of plastic, a connection assembly consisting of a support part made of plastic into which the thread element made of plastic has been screwed by creating a counter-thread, a method for manufacturing the connection as well as a method for manufacturing the thread element. The thread element is characterized by an axial piece on which the circumferential windings of a thread turn are interrupted by at least two chip flutes. The resulting winding areas form a cutting web and an inhibition web, whereby the cutting web extends radially beyond the inhibition web.Type: GrantFiled: October 29, 2020Date of Patent: May 16, 2023Assignee: Böllhoff Verbindungstechnik GmbHInventor: Alexander Vorderwisch
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Patent number: 11648651Abstract: The installation tool for a wire thread insert includes: a drive unit which provides a switchable rotation movement between a first and a second direction, a mandrel body with a drive section for rotating the mandrel body and with a drive section for rotating the mandrel body and with a thread section onto which the wire thread insert can be screwed or rotated on, an installation blade as well as a torque clutch consisting of a form-fit and force-fit clutch upper and lower parts engaging each other, of which the upper part is connected with the drive unit in a torque-proof manner and the lower part is connected with the mandrel body in a torque-proof manner. With a decoupled relative rotation between the clutch parts, caused by exceeding a limit torque between the clutch parts, relative movement between the mandrel body and the installation blade can be generated.Type: GrantFiled: December 21, 2018Date of Patent: May 16, 2023Assignee: Böllhoff Verbindungstechnik GmbHInventors: Andreas Marxkors, Holger Thommes, Tobias Beyer, Maximilian Leinkenjost, Klemens Rucha, Alexej Butov, Marcel Purrio, Hermann Zimmermann, Klaus-Friedrich Grubert, Sascha Zavarol, Franz Lutz