EP1217694B1 - Device for ground connection of electrical components or apparatus to fixation parts - Google Patents

Device for ground connection of electrical components or apparatus to fixation parts Download PDF

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Publication number
EP1217694B1
EP1217694B1 EP00403665A EP00403665A EP1217694B1 EP 1217694 B1 EP1217694 B1 EP 1217694B1 EP 00403665 A EP00403665 A EP 00403665A EP 00403665 A EP00403665 A EP 00403665A EP 1217694 B1 EP1217694 B1 EP 1217694B1
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EP
European Patent Office
Prior art keywords
screw
expansion
nut
fastening element
wing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP00403665A
Other languages
German (de)
French (fr)
Other versions
EP1217694A1 (en
Inventor
Jean-Pierre René Leon
Otto Heinemeyer
Stefan Schaaf
Eugen Kuehnl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LISI Automotive Rapid
Original Assignee
LISI Automotive Rapid
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LISI Automotive Rapid filed Critical LISI Automotive Rapid
Priority to EP00403665A priority Critical patent/EP1217694B1/en
Priority to DE50016088T priority patent/DE50016088D1/en
Priority to ES00403665T priority patent/ES2364032T3/en
Publication of EP1217694A1 publication Critical patent/EP1217694A1/en
Application granted granted Critical
Publication of EP1217694B1 publication Critical patent/EP1217694B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
    • H01R4/64—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2404—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation
    • H01R4/2408—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation actuated by clamping screws
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/16—Fastening of connecting parts to base or case; Insulating connecting parts from base or case
    • H01R9/18—Fastening by means of screw or nut

Definitions

  • the invention relates to a device for ground connection of electrical components or devices, provided with an electrically insulating coating fastening parts, such as painted sheets.
  • the invention has for its object to provide a device of the aforementioned type, in which the ground connection remains the same quality.
  • the device according to claim 1 solves the Asked Au investment.
  • the expansion nut partially penetrates said opening and has on the inserted side at least one obliquely directed to the axis wings, which is spread apart when tightening the screw and having means which penetrate the coating during the spreading.
  • the screw tapers from its head to its free end
  • the spreader wing has in its longitudinal direction a U-shaped profile, rests with its base portion on the outer surface of the screw and has at its free end said means for penetrating the coating.
  • the means for penetrating the coating are formed by teeth formed at the free end of the blade.
  • the aperture penetrating portion of the nut has a cross section which at least partially has a rectilinear circumference, the spreader blade extending from said rectilinear peripheral portion and formed by a substantially flat, flat, U-shaped bent-back portion becomes.
  • said cross section of the opening penetrating nut is rectangular and the nut has two opposing spreader vanes.
  • FIG. 1 is a perspective view of a device according to the invention for fastening an electrical device to a fastening part with simultaneous ground connection.
  • FIG. 2 is a perspective view of an expansion nut according to the invention of the device according to the FIG. 1 ,
  • FIG. 3 is a side view of the expansion nut of FIG. 2 in the direction of arrow III.
  • FIG. 4 is a view of the expansion nut the FIG. 2 in the direction of the arrow IV.
  • FIG. 5 is a view of the expansion nut in the direction of arrow V of FIG. 2 ,
  • reference numeral 1 denotes, for example, an electrical equipment to be earthed
  • 2 a painted sheet metal to which the equipment is grounded
  • 3 is an expansion nut according to the invention for fastening the device 1 to the plate, with simultaneous grounding, and 4 the screw, which is associated with the nut 3.
  • the device 1 is provided with a ground tongue 6, which is electrically connected to the expansion nut 3.
  • this has essentially three parts, a first part 7, with which the mother rests on the side 8 of the sheet 2, which carries the device 1, a part 9, the the mounting plate 9 penetrates and is located on the other outer side 10 of the sheet and a third, middle part 11, which is located in the recess 12 of the sheet through which the mother is inserted.
  • the middle part 11 of the expansion nut 3, in which the threaded hole 13 is cut for the tightening screw 4, has a substantially rectangular cross section and the inserted part 9 is formed by two Sp Reicherieln 14, extending from two opposite outer edges of the central part 11 extend obliquely to the axis of the mother down.
  • Each wing 14 is formed by a flat, flat, rectangular tongue having a U-shaped profile in its longitudinal direction.
  • the base 15 of this U-shaped tongue is intended to bear against the outer surface of the fastening screw 4.
  • the free end 16 of each tongue is directed toward the underside 10 of the sheet 2 and has teeth 17 intended to penetrate the coating and to establish ground connection.
  • the fastening screw 4 tapers from its head 18 toward its free end 19.
  • the first resting on the upper sheet-metal side 8 mother part 7 has a receiving opening 21 into which the earthing tongue 6 extends and in which they is firmly pressed by the screw 4 to form an electrical contact.
  • the expansion nut 3 is partially inserted through its receiving recess 12 in the sheet 2, the grounding tongue 6 inserted into the receiving opening 21 of the nut 3 and the screw 4 is inserted into the mother when attaching the electrical device 4 to the plate 2, until the peripheral surface of the screw shaft comes to rest on the base 15 of the spreader vanes 14.
  • the wings are pressed by the increasing diameter of the outer surface of the screw to the outside. This pivotal movement in the direction of the arrows F causes the free ends 16 of the legs to approach the lower surface 10 of the sheet, and, as the wings spread further, the penetration of the teeth 17 through the lacquer layer covering this side so as to provide excellent permanent ground contact.
  • the expansion nut is made in the illustrated embodiment by deformation of an initially flat piece of metal.
  • the upper female part 7 is formed by bending back as a U-shaped part, with additionally bent down lateral pointed tabs 23, which also penetrate into the plate when tightening the screw.
  • the U-shaped spreader vanes 14 are formed by bending down lateral tongues, the middle part 11 being formed by the wing regions corresponding to the bending lines 8.
  • the device according to the invention allows the attachment of electrical equipment, such as impedance transducers, to painted sheets of a thickness of 0.7 mm to 1 mm.
  • the attachment with partial destruction of the coating ensures a permanent high-frequency ground connection (grounding) after tightening the screw.
  • the invention allows a pre-assembly of the expansion nut on the impedance converter and a pre-assembly for Example in the vehicle in which the grounding is to be carried out
  • the expansion nut is mounted after painting.
  • the device according to the invention brings numerous advantages, for example, it allows a simplified assembly by snapping.
  • the earth connection follows when screwed on.
  • the invention enables pre-assembly at the system supplier.

Landscapes

  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)

Description

Die Erfindung betrifft eine Vorrichtung zur Masseverbindung von elektrischen Bauteilen oder Geräten, an mit einer elektrisch isolierenden Beschichtung versehenen Befestigungsteilen, wie lackierten Blechen.The invention relates to a device for ground connection of electrical components or devices, provided with an electrically insulating coating fastening parts, such as painted sheets.

Die bisher bekannten Vorrichtungen, die für derartige Masseverbindungen verwendet werden, besitzen Nietmuttern mit metrischem Gewinde. Diese Vorrichtungen besitzen den Nachteil, daß die Masseverbinding nicht dauerhaft ist.The previously known devices which are used for such ground connections have rivet nuts with metric thread. These devices have the disadvantage that the Masseverbinding is not permanent.

Dokument US-A-4802863 offenbart eine Vorrichtung gemäß dem Oberbegriff des Anspruchs 1.document US-A-4802863 discloses a device according to the preamble of claim 1.

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung der vorgenannten Art zu schaffen, bei der die Masseverbindung mit gleicher Qualität bestehen bleibt.The invention has for its object to provide a device of the aforementioned type, in which the ground connection remains the same quality.

Die Vorrichtung nach Anspruch 1 löst die gestellten Augaben.The device according to claim 1 solves the Asked Augaben.

Gemäß einem Merkmal der Erfindung durchdringt die Spreizmutter teilweise die genannte Öffnung und besitzt auf der durchgesteckten Seite wenigstens einen schräg zur Achse gerichteten Flügel, der beim Anziehen der Schraube abgespreizt wird und Mittel aufweist, die beim Abspreizen die Beschichtung durchdringen.According to a feature of the invention, the expansion nut partially penetrates said opening and has on the inserted side at least one obliquely directed to the axis wings, which is spread apart when tightening the screw and having means which penetrate the coating during the spreading.

Gemäß einem weiteren Merkmal der Erfindung verjüngt sich die Schraube von ihrem Kopf aus zu ihren freien Ende hin, besitzt der Spreizflügel in seiner Längsrichtung ein U förmiges Profil, liegt mit seinem Basisbereich an der Aussenfläche der Schraube an und weist an seinem freien Ende die genannten Mittel zum Durchdringen der Beschichtung auf.According to a further feature of the invention, the screw tapers from its head to its free end, the spreader wing has in its longitudinal direction a U-shaped profile, rests with its base portion on the outer surface of the screw and has at its free end said means for penetrating the coating.

Gemäß einem optionalen Merkmal werden die Mittel zum Durchdringen der Beschichtung von Zähnen gebildet, die an dem freien Ende des Flügels ausgebildet sind.According to an optional feature, the means for penetrating the coating are formed by teeth formed at the free end of the blade.

Nach einem noch anderen optionalen Merkmal besitzt der die Öffnung durchdringende Bereich der Mutter einen Querschnitt, der zumindest teilweise einen geradlinigen Umfang hat, wobei der Spreizflügel vom diesem geradlinigen Umfangsbereich ausgeht und von einem im wesentlichen ebenen, flachen, U-förmig in sich zurückgebogenen Teil gebildet wird.According to yet another optional feature, the aperture penetrating portion of the nut has a cross section which at least partially has a rectilinear circumference, the spreader blade extending from said rectilinear peripheral portion and formed by a substantially flat, flat, U-shaped bent-back portion becomes.

Gemäß einem optionalen Merkmal ist der genannte Querschnitt der die Öffnung durchdringenden Mutter rechteckig und die Mutter besitzt zwei einander gegenüberliegende Spreizflügel.According to an optional feature, said cross section of the opening penetrating nut is rectangular and the nut has two opposing spreader vanes.

Die Erfindung wird im Folgenden unter Bezugnahme auf die beifügten Abbildungen näher erklärt.The invention will be explained in more detail below with reference to the enclosed figures.

Die Figur 1 ist eine perspectivische Ansicht einer erfindungsgemäßen Vorrichtung zur Befestigung eines elektrischen Geräts an einem Befestigungsteil mit gleichzeitiger Masseverbindung.The FIG. 1 is a perspective view of a device according to the invention for fastening an electrical device to a fastening part with simultaneous ground connection.

Die Figur 2 ist eine perspectivische Ansicht einer erfindungsgemäßen Spreizmutter der Vorrichtung gemäß der Figur 1.The FIG. 2 is a perspective view of an expansion nut according to the invention of the device according to the FIG. 1 ,

Die Figur 3 ist eine Seitenansicht der Spreizmutter der Figur 2 in Richtung des Pfeils III.The FIG. 3 is a side view of the expansion nut of FIG. 2 in the direction of arrow III.

Die Figur 4 ist eine Ansicht der Spreizmutter der Figur 2 in Richtung des Pfeil IV.The FIG. 4 is a view of the expansion nut the FIG. 2 in the direction of the arrow IV.

Die Figur 5 ist eine Sicht der Spreizmutter in Richtung des Pfeils V der Figur 2.The FIG. 5 is a view of the expansion nut in the direction of arrow V of FIG. 2 ,

Auf den Abbildungen bezeichnen die Bezugszahl 1 zum Beispiel ein zu erdendes elektrisches Gerät, 2 ein lackiertes Blech, an dem das Gerät zu Erdung befestigt werden soll, 3 eine erfindungsgemäße Spreizmutter zur Befestigung des Geräts 1 an dem Blech, mit gleichzeitiger Erdung, und 4 die Schraube, die der Mutter 3 zugeordnet ist.In the figures, reference numeral 1 denotes, for example, an electrical equipment to be earthed, 2 a painted sheet metal to which the equipment is grounded 3 is an expansion nut according to the invention for fastening the device 1 to the plate, with simultaneous grounding, and 4 the screw, which is associated with the nut 3.

Das Gerät 1 ist mit einer Erdungszunge 6 versehen, die mit der Spreizmutter 3 elektrisch verbindbar ist.The device 1 is provided with a ground tongue 6, which is electrically connected to the expansion nut 3.

Bei der auf den Abbildungen lediglich als Beispiel dargestellten Ausbildungsform einer erfindungsgemäßen Spreizmutter 3 besitzt diese im wesentlichen drei Teile, ein erstes Teil 7, mit dem die Mutter auf der Seite 8 des Blechs 2 aufliegt, die das Gerät 1 trägt, ein Teil 9, der das Befestigungsblech 9 durchdringt und auf der anderen Aussenseite 10 des Blechs sich befindet und ein drittes, mittleres Teil 11, das sich in der Ausnehmung 12 des Blechs befindet, durch die die Mutter hindurchgesteckt wird.In the illustrated on the figures only as an example embodiment of an expansion nut 3 according to the invention this has essentially three parts, a first part 7, with which the mother rests on the side 8 of the sheet 2, which carries the device 1, a part 9, the the mounting plate 9 penetrates and is located on the other outer side 10 of the sheet and a third, middle part 11, which is located in the recess 12 of the sheet through which the mother is inserted.

Der mittlere Teil 11 der Spreizmutter 3, in der das Gewindeloch 13 für die Anzugsschraube 4 eingeschnitten ist, besitzt einen einem wesentlichen rechteckigen Querschnitt und der durchgesteckte Teil 9 wird von zwei Spreizflügeln 14 gebildet, die sich von zwei einander gegenüberliegenden Aussenränden des mittleren Teils 11 aus schräg zur Achse der Mutter hin erstrecken. Jeder Flügel 14 wird von einer ebenen, flachen, rechteckförmigen Zunge gebildet, die in ihrer Längsrichtung ein U-förmiges Profil besitzten. Die Basis 15 dieser U-förmigen Zunge ist zur Anlage an der Aussenfläche der Befestigungschraube 4 bestimmt. Das freie Ende 16 jeder Zunge ist zur Unterseite 10 des Blechs 2 gerichtet und weist Zähne 17 auf, die zum Durchdringen der Beschichtung und zur Herstellung der Erdungsverbindung bestimmt sind.The middle part 11 of the expansion nut 3, in which the threaded hole 13 is cut for the tightening screw 4, has a substantially rectangular cross section and the inserted part 9 is formed by two Spreizflügeln 14, extending from two opposite outer edges of the central part 11 extend obliquely to the axis of the mother down. Each wing 14 is formed by a flat, flat, rectangular tongue having a U-shaped profile in its longitudinal direction. The base 15 of this U-shaped tongue is intended to bear against the outer surface of the fastening screw 4. The free end 16 of each tongue is directed toward the underside 10 of the sheet 2 and has teeth 17 intended to penetrate the coating and to establish ground connection.

Die Befestigungsschraube 4 verjüngt sich von ihrem Kopf 18 aus zu ihrem freien Ende 19 hin.The fastening screw 4 tapers from its head 18 toward its free end 19.

Der erste auf der oberer Blechseite 8 aufliegenden Mutterteil 7 besitzt eine Aufnahmeöffnung 21, in die hinein sich die Erdungszunge 6 erstreckt und in der sie durch die Schraube 4 zur Bildung eines elektrischen Kontakts fest eingepresst wird.The first resting on the upper sheet-metal side 8 mother part 7 has a receiving opening 21 into which the earthing tongue 6 extends and in which they is firmly pressed by the screw 4 to form an electrical contact.

Wie die Figuren zeigen, wird beim Befestigen des elektrischen Geräts 4 an dem Blech 2 die Spreizmutter 3 teilweise durch ihre Aufnahmeausnehmung 12 in dem Blech 2 hindurchgesteckt, die Erdungszunge 6 in die Aufnahmeöffnung 21 der Mutter 3 eingeführt und die Schraube 4 in die Mutter eingesteckt, bis die Umfangsfläche des Schraubenschafts an der Basis 15 der Spreizflügel 14 zur Anlage kommt. Beim Anziehen der Schraube und dessen Vordringen werden die Flügel durch den sich vergrössenden Durchmesser der Aussenfläche der Schraube nach aussen gedrückt. Diese Schwenkbewegung in Richtung der Pfeile F bewirkt ein Annähern der freien Enden 16 der Schenkel an die Unterfläche 10 des Blechs, und beim weiteren Auseinanderspreizen der Flügel das Durchdringen der Zähne 17 durch die diese Seite überdeckende Lackschicht, sodaß ein ausgezeichneter dauerhafter Erdungskontakt geschaffen wird.As the figures show, the expansion nut 3 is partially inserted through its receiving recess 12 in the sheet 2, the grounding tongue 6 inserted into the receiving opening 21 of the nut 3 and the screw 4 is inserted into the mother when attaching the electrical device 4 to the plate 2, until the peripheral surface of the screw shaft comes to rest on the base 15 of the spreader vanes 14. When tightening the screw and its penetration, the wings are pressed by the increasing diameter of the outer surface of the screw to the outside. This pivotal movement in the direction of the arrows F causes the free ends 16 of the legs to approach the lower surface 10 of the sheet, and, as the wings spread further, the penetration of the teeth 17 through the lacquer layer covering this side so as to provide excellent permanent ground contact.

Die Spreizmutter wird im dargestellten Ausführungsbeispiel durch Verformung eines ursprünglich flachen Metallstücks gefertigt. Der obere Mutterteil 7 wird durch Zurückbiegen als U-förmiges Teil ausgebildet, mit zusätzlich herabgebogenen seitlichen spitzen Lappen 23, der ebenfalls in das Blech beim Anziehen der Schraube eindringen. Die U-förmigen Spreizflügel 14 werden durch Herabbiegen von seitlichen Zungen gebildet, wobei der Mittelteil 11 von den den Biegelinien 8 entsprechenden Flügelbereichen gebildet wird.The expansion nut is made in the illustrated embodiment by deformation of an initially flat piece of metal. The upper female part 7 is formed by bending back as a U-shaped part, with additionally bent down lateral pointed tabs 23, which also penetrate into the plate when tightening the screw. The U-shaped spreader vanes 14 are formed by bending down lateral tongues, the middle part 11 being formed by the wing regions corresponding to the bending lines 8.

Die erfindungsgemäße Vorrichtung erlaubt die Befestigung von elektrischen Geräten, wie zum Beispiel Impedanzwandlern , an lackierten Blechen einer Stärke von 0,7 mm bis 1mm. Die Befestigung mit teilweiser Zerstörung der Beschichtunge gewährleistet eine dauerhafte Hochfrequenz-Masseverbindung (Erdung) nach Anziehen der Schraube. Die Erfindung erlaubt eine Vormontage der Spreizmutter am Impedanzwandler sowie eine Vormontage zum Beispiel im Fahrzeug, in dem die Erdung durchgeführt werden soll Die Spreizmutter wird nach der Lackierung montiert.The device according to the invention allows the attachment of electrical equipment, such as impedance transducers, to painted sheets of a thickness of 0.7 mm to 1 mm. The attachment with partial destruction of the coating ensures a permanent high-frequency ground connection (grounding) after tightening the screw. The invention allows a pre-assembly of the expansion nut on the impedance converter and a pre-assembly for Example in the vehicle in which the grounding is to be carried out The expansion nut is mounted after painting.

Die erfindungsgemäße Vorrichtung bringt zahlreiche Vorteile, zum Beispiel erlaubt sie eine vereinfachte Montage durch Einrasten. Die Masseverbindung verfolgt beim Anschrauben. Die Erfindung ermöglicht eine Vormontage beim Systemlieferanten.The device according to the invention brings numerous advantages, for example, it allows a simplified assembly by snapping. The earth connection follows when screwed on. The invention enables pre-assembly at the system supplier.

Claims (8)

  1. A device for ground connecting electrical components or apparatus (1) on fastening elements (2) provided with an electrically insulation coating, as in particular painted sheets, comprising an expansion nut (3) and a screw (4), which can be expansion fastened in an opening (12) of the fastening element when the screw (4) is tightened, and means (16, 17) for penetrating the insulating coating when the screw is tightened, with the expansion nut (3) extending partially through said opening (12), lying (at 7) on one side (8) of the fastening element (2) and having on the other side (10) of the fastening element (2) at least one wing (14) oriented obliquely to the axis, and expanding when the screw is tightened (14), and comprising said means (16, 17) penetrating the insulating coating upon expansion, characterized in that the expansion wing (14) has in the longitudinal direction thereof a U-shaped profile, is applied with the base area (15) thereof to the circumferential surface of the screw (4), and has at the free end thereof said means (16, 17) for penetrating the insulating coating, and in that the screw (4) tapers from the head thereof toward the free end thereof.
  2. The device according to claim 1, characterized in that the means (17) for penetrating the coating are formed by teeth which are made at the free ends of the wing (14).
  3. The device according to any of claims 1 or 2, characterized in that the center part (11) of the nut (3), located within the opening (12) of the fastening element (2), has a cross section having at least partially a straight circumference, wherein the expansion wing (14) starts from this straight circumferential area.
  4. The device according to claim 3, characterized in that the nut has two expansion wings (14) opposite each other.
  5. The device according to any of claims 3 or 4, characterized in that the wing (14) is formed by an originally rectangular tab folded back in U shape, the folded back wing area of which is so long that when the screw is tightened and upon expansion, it is pressed against the surface (10) of the fastening element, which is oriented toward the same.
  6. The device according to any of claims 1 to 5, characterized in that the front part (7) of the nut (3), lying on the fastening element (2), has a locating opening (21) for a grounding tab (6) provided on the apparatus to be grounded, said tab being retained inside the opening when the screw is tightened.
  7. The device according to claim 6, characterized in that the expansion nut is formed from a flat starting piece by bending deformation, wherein the part forming said locating opening (21) is formed from a longitudinal area, folded in U shape, from this starting piece, and the expansion wings (14) are formed by tabs folded in U shape, starting laterally from this area, wherein, between the two tabs, a threaded hole (13) is provided for the retaining screw.
  8. The device according to any of claims 1 to 7, characterized in that the part (7) of the nut, lying on the fastening element (2), has teeth (23) penetrating the coating when the screw is tightened (4).
EP00403665A 2000-12-22 2000-12-22 Device for ground connection of electrical components or apparatus to fixation parts Expired - Lifetime EP1217694B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP00403665A EP1217694B1 (en) 2000-12-22 2000-12-22 Device for ground connection of electrical components or apparatus to fixation parts
DE50016088T DE50016088D1 (en) 2000-12-22 2000-12-22 Device for ground connection of electrical components or devices to fastening parts
ES00403665T ES2364032T3 (en) 2000-12-22 2000-12-22 DEVICE FOR MASS CONNECTION OF ELECTRICAL COMPONENTS OR APPLIANCES ON FIXING PARTS.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00403665A EP1217694B1 (en) 2000-12-22 2000-12-22 Device for ground connection of electrical components or apparatus to fixation parts

Publications (2)

Publication Number Publication Date
EP1217694A1 EP1217694A1 (en) 2002-06-26
EP1217694B1 true EP1217694B1 (en) 2011-03-30

Family

ID=8174002

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00403665A Expired - Lifetime EP1217694B1 (en) 2000-12-22 2000-12-22 Device for ground connection of electrical components or apparatus to fixation parts

Country Status (3)

Country Link
EP (1) EP1217694B1 (en)
DE (1) DE50016088D1 (en)
ES (1) ES2364032T3 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3486158A (en) * 1967-09-29 1969-12-23 Illinois Tool Works Grounding clip
US3810069A (en) * 1972-08-08 1974-05-07 Hubbell Inc Harvey Grounding clip for electrical fixtures
US4496791A (en) * 1982-10-13 1985-01-29 Allen-Bradley Company Spring-biased connector for electrically bonding a device to a supporting wall
DE3714500C1 (en) * 1987-04-30 1988-08-11 Loh Kg Rittal Werk Device for the electrically conductive connection of two components

Also Published As

Publication number Publication date
ES2364032T3 (en) 2011-08-23
EP1217694A1 (en) 2002-06-26
DE50016088D1 (en) 2011-05-12

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