FR2971632A1 - Connection device for connecting mass formed by engine support of motor vehicle, has connector connected to electrical apparatus and electrically connected and secured to support, where connector and support are formed from single piece - Google Patents

Connection device for connecting mass formed by engine support of motor vehicle, has connector connected to electrical apparatus and electrically connected and secured to support, where connector and support are formed from single piece Download PDF

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Publication number
FR2971632A1
FR2971632A1 FR1151207A FR1151207A FR2971632A1 FR 2971632 A1 FR2971632 A1 FR 2971632A1 FR 1151207 A FR1151207 A FR 1151207A FR 1151207 A FR1151207 A FR 1151207A FR 2971632 A1 FR2971632 A1 FR 2971632A1
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FR
France
Prior art keywords
connector
support
mass
connection device
secured
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.)
Withdrawn
Application number
FR1151207A
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French (fr)
Inventor
Pascal Robert
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.)
PSA Automobiles SA
Original Assignee
Peugeot Citroen Automobiles SA
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 Peugeot Citroen Automobiles SA filed Critical Peugeot Citroen Automobiles SA
Priority to FR1151207A priority Critical patent/FR2971632A1/en
Publication of FR2971632A1 publication Critical patent/FR2971632A1/en
Withdrawn legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-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
    • H01R4/58Electrically-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
    • H01R4/64Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
    • H01R4/643Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail for rigid cylindrical bodies
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/11End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H01R11/22End pieces terminating in a spring clip
    • H01R11/24End pieces terminating in a spring clip with gripping jaws, e.g. crocodile clip

Abstract

The device (20) has a cylindrical connector (21) connected to an external electrical apparatus e.g. testing apparatus, by a removable connection module and electrically connected to a support i.e. engine support (22). The connector is secured to the support, where the connector and the support are formed from a single piece. The connector is welded onto the support. The connector has a fixing unit formed with a circular peripheral groove (23) for fixing the connection unit between the connector and the apparatus. The support and the connector are manufactured by molding operation. An independent claim is also included for a method for manufacturing a mass connection device.

Description

Dispositif de liaison de masse, procédé de fabrication et véhicule comprenant un tel dispositif. Mass binding device, method of manufacture and vehicle comprising such a device.

L'invention concerne principalement un dispositif de liaison de masse. The invention mainly relates to a mass-linking device.

L'invention concerne également un procédé de fabrication d'un tel dispositif de liaison de masse et un véhicule, notamment un véhicule automobile, comprenant ce dispositif. Dans les véhicules automobiles, on utilise généralement la caisse de structure du véhicule comme conducteur électrique du circuit électrique. io De façon courante, lorsque la batterie du véhicule est déchargée et que l'on souhaite brancher une batterie externe, cette dernière sera d'une part reliée à la cosse positive de la batterie et d'autre part reliée à la cosse négative de cette même batterie. Mais il arrive fréquemment, notamment lorsque les auvents sont très 15 avancés dans le compartiment moteur, que la cosse négative de la batterie soit inaccessible. Dans ce cas, la connexion négative de la batterie externe pourra être réalisée au moyen d'une vis de masse solidaire de la structure du véhicule. Une vis de masse de ce type est illustrée sur les figures 1, 2 et 3. La figure 1 20 représente en perspective une vis de masse connue. Les figures 2 et 3 représentent cette vis de masse montée sur la structure du véhicule dans le compartiment moteur. En référence à la figure 1, la vis de masse connue 1 comporte un élément de connexion 2 destiné à être relié à la batterie externe et une vis de fixation 3 25 s'étendant coaxialement dans l'élément de connexion 2 et se prolongeant hors de cet élément de connexion 2. La tête 4 de la vis de fixation 3 affleure au niveau de la face supérieure 5 de l'élément de connexion 2 de façon à assurer la conduction électrique avec la connexion négative de la batterie externe. Par ailleurs, la partie cylindrique 6 de la vis de fixation 3 située en dehors de 30 l'élément de connexion 2 comporte un filetage 7 permettant à la vis de masse 1 d'être solidarisée à la structure du véhicule 8 par vissage dans un évidemment traversant 9 réalisé sur cette structure 8. En outre, l'élément de connexion 2 est de forme générale cylindrique et comporte une rainure périphérique 10 permettant d'assurer la fixation solide de la pince de connexion négative de la batterie non représentée sur les figures sur la vis de masse connue 1. La vis de fixation 3 et l'élément de connexion 2 sont réalisés en acier zingué. L'implantation d'une telle vis de masse 1 sur la structure du compartiment s moteur du véhicule nécessite ainsi la fabrication de la vis de masse 1 composée de l'élément de connexion 2 et de la vis de fixation 3, ainsi que la fixation de cette vis de masse 1 sur une tôle constituant la structure du véhicule. Cette tôle doit être soit suffisamment épaisse, soit permettre la réalisation d'un évidement tel que celui illustré sur la figure 3. io Cette implantation nécessite donc des opérations d'étude d'implantation, un approvisionnement et/ou la fabrication de la vis de masse, ainsi qu'une opération d'implantation après application de la peinture de la structure concernée du compartiment moteur du véhicule. Dans ce contexte, la présente invention vise un dispositif de liaison simple ls de conception et d'implantation, rendant accessible la connexion de la batterie externe, ou de tout autre appareil électrique externe tel qu'un appareil de contrôle, à un point de masse. A cet effet, le dispositif de liaison de masse de l'invention comprend un connecteur qui est d'une part destiné à être relié à un appareil électrique externe 20 par des moyens de liaison amovibles, et qui est d'autre part électriquement relié à un support constituant la masse. Ce dispositif est caractérisé en ce que le dit connecteur est réalisé en une seule pièce et est solidarisé au dit support. Le dispositif de masse de l'invention peut également comporter les caractéristiques optionnelles suivantes considérées isolément ou selon toutes 25 les combinaisons techniques possibles : - selon un premier mode de réalisation, le connecteur et le support sont réalisés en une seule pièce. - selon un second mode de réalisation, le connecteur est soudé sur le support. 30 - le connecteur comporte des moyens de fixation des moyens de liaison amovibles entre le dit connecteur et l'appareil électrique externe. - le connecteur présente une forme générale cylindrique et les moyens de fixation des moyens de liaison entre le connecteur et l'appareil électrique externe comprennent une rainure circulaire réalisée sur toute la périphérie du dit connecteur. - le support est un support moteur du véhicule automobile. L'invention porte également sur un procédé de fabrication d'un tel dispositif. s Ce procédé est caractérisé en ce qu'il comprend au moins une étape de fabrication d'une pièce unique constituant un connecteur qui est destiné à être relié à un appareil électrique externe et qui est solidarisé au support constituant la masse. De préférence, la fabrication du connecteur et la solidarisation du io connecteur au support sont réalisés en une seule étape. Avantageusement, le support et le connecteur sont fabriqués en une opération de moulage. L'invention concerne enfin un véhicule, notamment un véhicule automobile, comportant un dispositif de liaison de masse tel que celui précédemment énoncé. is D'autres caractéristiques et avantages de l'invention ressortiront clairement de la description qui en est donnée ci-dessous, à titre indicatif et nullement limitatif, en référence aux figures annexées parmi lesquelles : - la figure 1 précédemment décrite est une représentation en élévation d'une vis de masse de l'art antérieur, 20 - la figure 2 précédemment décrite est une représentation en élévation de la vis de masse de la figure 1 montée sur la structure du compartiment moteur du véhicule, - la figure 3 précédemment décrite est une vue en coupe selon la ligne III-III de la figure 2. 25 - la figure 4 est une représentation en élévation du dispositif de liaison de masse de l'invention situé sur le support moteur d'un véhicule automobile, - la figure 5 est une représentation en coupe du dispositif de liaison de masse de l'invention selon la ligne V-V de la figure 4 et selon un premier mode de réalisation, et 30 - la figure 6 est une représentation en coupe identique à celle de la figure 5 du dispositif de liaison de masse de l'invention selon un second mode de réalisation. The invention also relates to a method of manufacturing such a mass connection device and a vehicle, in particular a motor vehicle, comprising this device. In motor vehicles, the vehicle body structure is generally used as the electrical conductor of the electric circuit. Usually, when the vehicle battery is discharged and it is desired to connect an external battery, the latter will be on the one hand connected to the positive terminal of the battery and on the other hand connected to the negative terminal of this battery. same battery. But it happens frequently, especially when the awnings are very advanced in the engine compartment, that the negative terminal of the battery is inaccessible. In this case, the negative connection of the external battery can be achieved by means of a ground screw secured to the vehicle structure. A mass screw of this type is illustrated in Figures 1, 2 and 3. Figure 1 shows in perspective a screw of known mass. Figures 2 and 3 show the mass screw mounted on the vehicle structure in the engine compartment. With reference to FIG. 1, the known mass screw 1 comprises a connection element 2 intended to be connected to the external battery and a fixing screw 3 extending coaxially in the connection element 2 and extending out of this connection element 2. The head 4 of the fixing screw 3 is flush with the upper face 5 of the connection element 2 so as to ensure electrical conduction with the negative connection of the external battery. Furthermore, the cylindrical portion 6 of the fixing screw 3 located outside the connection element 2 comprises a threading 7 allowing the mass screw 1 to be secured to the vehicle structure 8 by screwing into a recess. 9 in addition, the connecting element 2 is generally cylindrical and has a peripheral groove 10 for ensuring the solid attachment of the negative connection clamp of the battery not shown in the figures on the screw of known mass 1. The fixing screw 3 and the connecting element 2 are made of galvanized steel. The implantation of such a mass screw 1 on the structure of the engine compartment of the vehicle thus requires the manufacture of the ground screw 1 composed of the connection element 2 and the fixing screw 3, as well as the fixing of this mass screw 1 on a sheet constituting the structure of the vehicle. This sheet must be either sufficiently thick, or allow the realization of a recess such as that illustrated in Figure 3. io This implementation therefore requires implantation study operations, supply and / or manufacture of the screw. mass, and an implantation operation after application of the paint of the relevant structure of the engine compartment of the vehicle. In this context, the present invention aims at a simple connecting device ls of design and implementation, making accessible the connection of the external battery, or any other external electrical device such as a control device, to a mass point . For this purpose, the mass-connecting device of the invention comprises a connector which is on the one hand intended to be connected to an external electrical device 20 by removable connection means, and which is, on the other hand, electrically connected to a support constituting the mass. This device is characterized in that said connector is made in one piece and is secured to said support. The mass device of the invention may also include the following optional features considered in isolation or in any of the possible technical combinations: according to a first embodiment, the connector and the support are made in one piece. in a second embodiment, the connector is welded to the support. The connector comprises means for fixing the removable connecting means between said connector and the external electrical device. - The connector has a generally cylindrical shape and the means for fixing the connecting means between the connector and the external electrical device comprise a circular groove formed over the entire periphery of said connector. the support is a motor support for the motor vehicle. The invention also relates to a method of manufacturing such a device. This method is characterized in that it comprises at least one step of manufacturing a single piece constituting a connector which is intended to be connected to an external electrical device and which is secured to the support constituting the mass. Preferably, the manufacture of the connector and the securing of the connector to the support are made in a single step. Advantageously, the support and the connector are manufactured in a molding operation. Finally, the invention relates to a vehicle, especially a motor vehicle, comprising a mass-connecting device such as that previously stated. Other features and advantages of the invention will emerge clearly from the description which is given below, by way of indication and in no way limiting, with reference to the appended figures in which: FIG. 1 previously described is an elevational representation; of a prior art ground screw, FIG. 2 previously described is an elevational representation of the ground screw of FIG. 1 mounted on the structure of the engine compartment of the vehicle, FIG. a sectional view along the line III-III of FIG. 2; FIG. 4 is an elevational representation of the mass connection device of the invention located on the motor support of a motor vehicle, FIG. is a sectional representation of the mass bonding device of the invention along the line VV of FIG. 4 and according to a first embodiment, and FIG. 6 is a representation in FIG. section identical to that of Figure 5 of the mass connection device of the invention according to a second embodiment.

En référence aux figures 4 et 5, le dispositif de liaison de masse de l'invention 20 comporte un connecteur 21 solidarisé dans cet exemple au support moteur droit 22 d'un véhicule automobile. Le connecteur 21 est réalisé en une seule pièce pleine. II est de forme générale cylindrique et comporte une rainure périphérique 23 permettant d'assurer la fixation solide de la pince de connexion négative de la batterie non représentée sur ces figures. Dans le mode de réalisation représenté sur la figure 5, le connecteur 21 est réalisé en une seule pièce avec le support moteur 22 par une opération de io moulage. Le moule du support moteur est ainsi adapté pour inclure la forme du connecteur 21. Dans cet exemple, le support moteur 22 et le connecteur 21 sont réalisés en aluminium coulé sous pression. La forme du connecteur 21 ainsi que la présence de la rainure 23 assurent une fixation optimale de la pince de connexion négative de la batterie ou de 15 l'appareil électrique externe non représentés. Par ailleurs, la solidarisation de fait du connecteur 21 et du support moteur 22 assure une conduction électrique parfaite. En outre, l'intégration du connecteur 21 sur le moteur permet de bénéficier de la masse du démarreur au lieu de la masse de la structure de carrosserie du 20 véhicule comme c'est le cas pour la vis de masse 1 de l'art antérieur. Enfin, la fabrication du dispositif de liaison 20 nécessite une adaptation simple à mettre en oeuvre du procédé de fabrication du support moteur droit 22 du véhicule. En référence à la figure 6, le dispositif de liaison de masse 20a du second 25 mode de réalisation comprend un connecteur 21a également solidarisé au support moteur droit 22a d'un véhicule automobile. Le connecteur 21a présente la même structure que le connecteur 21 du premier mode de réalisation et notamment une rainure périphérique 23a. Dans ce second mode de réalisation, le connecteur 21a est soudé au 30 support moteur 22a. Une opération de soudage est donc nécessaire pour solidariser le connecteur 21a au support moteur 22a. La ligne de soudure résultante 24a permet d'assurer la conduction électrique entre le connecteur 21a et le support moteur 22a. 2971632 s Le dispositif de liaison selon l'invention comprend ainsi un connecteur 21,21a réalisé en une seule pièce. Avantageusement, selon le premier mode de réalisation, ce connecteur 21 est réalisé avec le support 22 lors de l'opération de fabrication de ce support 22 s par moulage. En comparaison avec l'implantation d'une vis de masse connue telle que décrite en références aux figures 1 à 3, le dispositif de liaison de l'invention engendre un gain de masse conséquent, ainsi qu'une optimisation des opérations à réaliser pour implanter un dispositif de liaison de masse dans le compartiment io moteur d'un véhicule automobile. With reference to FIGS. 4 and 5, the mass-linking device of the invention comprises a connector 21 secured in this example to the right engine support 22 of a motor vehicle. The connector 21 is made in one solid piece. It is of cylindrical general shape and has a peripheral groove 23 for ensuring the solid attachment of the negative connection clamp of the battery not shown in these figures. In the embodiment shown in FIG. 5, the connector 21 is made in one piece with the motor support 22 by a molding operation. The mold of the engine support is thus adapted to include the shape of the connector 21. In this example, the engine support 22 and the connector 21 are made of die-cast aluminum. The shape of the connector 21 as well as the presence of the groove 23 ensure optimal fixation of the negative connection clamp of the battery or the external electrical device not shown. Furthermore, the fact of the connection of the connector 21 and the motor support 22 ensures perfect electrical conduction. In addition, the integration of the connector 21 on the motor makes it possible to benefit from the mass of the starter instead of the mass of the bodywork structure of the vehicle, as is the case with the ground screw 1 of the prior art. . Finally, the manufacture of the connecting device 20 requires a simple adaptation to implement the method of manufacturing the right engine support 22 of the vehicle. With reference to FIG. 6, the ground connection device 20a of the second embodiment comprises a connector 21a also secured to the right engine support 22a of a motor vehicle. The connector 21a has the same structure as the connector 21 of the first embodiment and in particular a peripheral groove 23a. In this second embodiment, the connector 21a is welded to the motor support 22a. A welding operation is therefore necessary to secure the connector 21a to the motor support 22a. The resulting weld line 24a ensures electrical conduction between the connector 21a and the motor support 22a. The connecting device according to the invention thus comprises a connector 21, 21a made in one piece. Advantageously, according to the first embodiment, this connector 21 is made with the support 22 during the manufacturing operation of the support 22 s by molding. In comparison with the implantation of a screw of known mass as described with reference to FIGS. 1 to 3, the connecting device of the invention generates a consequent mass gain, as well as an optimization of the operations to be carried out in order to implant a mass connection device in the engine compartment of a motor vehicle.

Claims (10)

REVENDICATIONS1. Dispositif de liaison de masse comprenant un REVENDICATIONS1. Dispositif de liaison de masse comprenant un connecteur qui est d'une part destiné à être relié à un appareil électrique externe par des moyens de liaison amovibles, et qui est d'autre part électriquement relié à un support constituant la masse, caractérisé en ce que le dit connecteur (20,20a) est réalisé en une seule pièce et est solidarisé au dit support (22,22a). io REVENDICATIONS1. Mass binding device comprising a CLAIMS1. Ground connection device comprising a connector which is firstly intended to be connected to an external electrical device by removable connecting means, and which is, on the other hand, electrically connected to a support constituting the mass, characterized in that said connector (20,20a) is made in one piece and is secured to said support (22,22a). io 2. Dispositif de liaison de masse selon la revendication 1, caractérisé en ce que le connecteur (20) et le support (22) sont réalisés en une seule pièce. 2. Device for connecting the mass according to claim 1, characterized in that the connector (20) and the support (22) are made in one piece. 3. Dispositif de liaison de masse selon la revendication 1, caractérisé en ce ls que le connecteur (20a) est soudé sur le support (22). 3. A ground connection device according to claim 1, characterized in that the connector (20a) is welded to the support (22). 4. Dispositif de liaison de masse selon l'une quelconque des revendications précédentes, caractérisé en ce que le connecteur (20,20a) comporte des moyens de fixation (23,23a) des moyens de liaison amovibles entre le dit connecteur (20a) 20 et l'appareil électrique externe. 4. A ground connection device according to any one of the preceding claims, characterized in that the connector (20,20a) comprises fastening means (23,23a) removable connecting means between said connector (20a) 20 and the external electrical device. 5. Dispositif de liaison de masse selon la revendication 4, caractérisé en ce que le connecteur (20,20a) présente une forme générale cylindrique et en ce que les moyens de fixation (23,23a) des moyens de liaison entre le connecteur 25 (20,20a) et l'appareil électrique externe comprennent une rainure circulaire (23,23a) réalisée sur toute la périphérie du dit connecteur (20,20a). 5. A ground connection device according to claim 4, characterized in that the connector (20, 20a) has a generally cylindrical shape and in that the fixing means (23, 23a) connecting means between the connector ( 20,20a) and the external electrical apparatus comprise a circular groove (23,23a) formed over the entire periphery of said connector (20,20a). 6. Dispositif de liaison de masse selon l'une quelconque des revendications précédentes, caractérisé en ce que le support (22,22a) est un support moteur du 30 véhicule automobile. 6. A mass connection device according to any one of the preceding claims, characterized in that the support (22,22a) is a motor support of the motor vehicle. 7. Procédé de fabrication du dispositif de liaison de masse selon les revendications 1 à 6, caractérisé en ce qu'il comprend au moins une étape de fabrication d'une pièce unique constituant un connecteur (20,20a) qui est destiné s à être relié à un appareil électrique et qui est solidarisé au support (22,22a) constituant la masse. 7. A method of manufacturing the mass connection device according to claims 1 to 6, characterized in that it comprises at least one step of manufacturing a single piece constituting a connector (20,20a) which is intended to be connected to an electrical device and which is secured to the support (22,22a) constituting the mass. 8. Procédé de fabrication selon la revendication 7, caractérisé en ce que la fabrication du connecteur (20) et la solidarisation du connecteur (22) au support () io sont réalisés en une seule étape. 8. Manufacturing process according to claim 7, characterized in that the manufacture of the connector (20) and the securing of the connector (22) to the support () io are made in a single step. 9. Procédé de fabrication selon la revendication 8, caractérisé en ce que le support (20) et le connecteur (22) sont fabriqués en une opération de moulage. 9. Manufacturing process according to claim 8, characterized in that the support (20) and the connector (22) are manufactured in a molding operation. 10. Véhicule, notamment automobile, caractérisé en ce qu'il comporte un dispositif de liaison de masse selon l'une quelconque des revendications 1 à 6. 10. Vehicle, especially automobile, characterized in that it comprises a mass connecting device according to any one of claims 1 to 6.
FR1151207A 2011-02-15 2011-02-15 Connection device for connecting mass formed by engine support of motor vehicle, has connector connected to electrical apparatus and electrically connected and secured to support, where connector and support are formed from single piece Withdrawn FR2971632A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1151207A FR2971632A1 (en) 2011-02-15 2011-02-15 Connection device for connecting mass formed by engine support of motor vehicle, has connector connected to electrical apparatus and electrically connected and secured to support, where connector and support are formed from single piece

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Application Number Priority Date Filing Date Title
FR1151207A FR2971632A1 (en) 2011-02-15 2011-02-15 Connection device for connecting mass formed by engine support of motor vehicle, has connector connected to electrical apparatus and electrically connected and secured to support, where connector and support are formed from single piece

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FR2971632A1 true FR2971632A1 (en) 2012-08-17

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FR1151207A Withdrawn FR2971632A1 (en) 2011-02-15 2011-02-15 Connection device for connecting mass formed by engine support of motor vehicle, has connector connected to electrical apparatus and electrically connected and secured to support, where connector and support are formed from single piece

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004060815A1 (en) * 2004-12-17 2006-06-29 Daimlerchrysler Ag Contact device for e.g. motor vehicle has support base fixed to weld projection, which, with base, rests against top surface of support base whereby weld projection base is arranged with a spacing to peripheral edge of top surface
US7241151B1 (en) * 2006-07-14 2007-07-10 Gm Global Technology Operations, Inc. Negative jump start ground block for an automobile
DE102009004937A1 (en) * 2009-01-16 2009-08-27 Daimler Ag Contact arrangement for use in body of motor vehicle, has earthing bolt attached to vehicle body at contact point by force-fit and material-bonded friction welded connection, where body is made of aluminum
DE102010006068A1 (en) * 2010-01-28 2010-09-16 Daimler Ag Electrically conductive contact arrangement, particularly earthing contact arrangement for connecting mass of controller with vehicle body, has lacquered bolt and lack-scraping screw nut screwed on bolt

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004060815A1 (en) * 2004-12-17 2006-06-29 Daimlerchrysler Ag Contact device for e.g. motor vehicle has support base fixed to weld projection, which, with base, rests against top surface of support base whereby weld projection base is arranged with a spacing to peripheral edge of top surface
US7241151B1 (en) * 2006-07-14 2007-07-10 Gm Global Technology Operations, Inc. Negative jump start ground block for an automobile
DE102009004937A1 (en) * 2009-01-16 2009-08-27 Daimler Ag Contact arrangement for use in body of motor vehicle, has earthing bolt attached to vehicle body at contact point by force-fit and material-bonded friction welded connection, where body is made of aluminum
DE102010006068A1 (en) * 2010-01-28 2010-09-16 Daimler Ag Electrically conductive contact arrangement, particularly earthing contact arrangement for connecting mass of controller with vehicle body, has lacquered bolt and lack-scraping screw nut screwed on bolt

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