EP0599754A2 - Electric connection piece for tubular conductors - Google Patents

Electric connection piece for tubular conductors Download PDF

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Publication number
EP0599754A2
EP0599754A2 EP93420470A EP93420470A EP0599754A2 EP 0599754 A2 EP0599754 A2 EP 0599754A2 EP 93420470 A EP93420470 A EP 93420470A EP 93420470 A EP93420470 A EP 93420470A EP 0599754 A2 EP0599754 A2 EP 0599754A2
Authority
EP
European Patent Office
Prior art keywords
buffers
conductor
pressure mechanism
bore
housing
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Withdrawn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
EP93420470A
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German (de)
French (fr)
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EP0599754A3 (en
Inventor
Laurent Royer
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.)
INDUSTRIELLE DE MATERIEL ELECTRIQUE SIMEL Ste
Original Assignee
INDUSTRIELLE DE MATERIEL ELECTRIQUE SIMEL Ste
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.)
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Publication date
Application filed by INDUSTRIELLE DE MATERIEL ELECTRIQUE SIMEL Ste filed Critical INDUSTRIELLE DE MATERIEL ELECTRIQUE SIMEL Ste
Publication of EP0599754A2 publication Critical patent/EP0599754A2/en
Publication of EP0599754A3 publication Critical patent/EP0599754A3/en
Withdrawn legal-status Critical Current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
    • H01R4/28—Clamped connections, spring connections
    • H01R4/50—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
    • H01R4/5083—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using a wedge
    • H01R4/5091—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using a wedge combined with a screw

Definitions

  • the present invention relates to connection fittings intended to be mounted on the conductors of medium and high voltage power lines.
  • fittings are generally used, the main body of which has a concave part with a semi-circular profile established substantially at the radius of the outer wall of the conductor to be clamped, which part, generally called “groove", is able to form a cradle for the support of said conductor.
  • the contact pressure of this conductor against the throat of the fitting is ensured using at least one flange with lateral ears which has a part or cradle with a profile equivalent to that of the throat and which is forcibly tightened against the body. by means of two parallel screws associated with the ears of the flange.
  • the present invention mainly intends to remedy, by making use, for obtaining the contact pressure of the connector against the conductor, with a conical wedging system.
  • US Patent No. 1,986,642 relates to a connection clamp for grounding which comprises on the one hand a collar suitable for surrounding the conductor and on the other hand a mechanism for pressure formed by two tangent buffers with a frustoconical profile, connected to each other by a screw which is carried by the collar and whose tightening operation has the effect of applying, by mutual approximation, said buffers against the outer wall of the conductor held by the collar.
  • the conductor is undeformable and it is the collar, constituted by a simple ribbon, which deforms when it is applied against said conductor.
  • Such a system intended for earthing which transit a strong current for a short period, the momentary heating being without important, can only be used for non-deformable conductors with reduced section, so that it cannot be directly transposed to connectors or fittings for medium or high voltage lines which cooperate with deformable conductors (tubular bars or braided cables) having large sections to pass currents of high power, continuously and for a long service life.
  • connection connector is defined in claim 1 and its originality lies mainly in the fact that its body is established in a massive form to effectively oppose any deformation under the effect of the clamping force exerted by the pressure mechanism with tangent buffers and to be hollowed out of a through housing oriented perpendicular to the axis of the bore of the body by intersecting this bore, said housing entirely enclosing the pressure mechanism with conical wedging.
  • Fig. 1 is a perspective view showing, in the disassembled state, the parts of a connection fitting according to the invention.
  • Fig. 2 is a cross section of this connector after mounting on a conductor.
  • Fig. 3 is a cross section of a connector according to the invention specially intended for conductors of the braided type.
  • the reference 1 designates the main body of the connector, which body, provided in very massive form, is provided laterally with a sole 2 of the usual type, intended for fixing the bypass supplied by a conductor C, here constituted by a tubular bar with circular section.
  • This conductor C is suitable for being engaged, with as little clearance as possible, inside a bore 3 formed in the body 1 parallel to the axis of the sole 2.
  • the body 1 has an upper part 4 which overcomes the bore 3 to the opposite of the sole 2 and which is pierced with an opening housing 5, oriented perpendicular to the axis of the aforementioned bore and established in a circular section in the embodiment considered.
  • This housing 5 is intended to entirely enclose the pressure mechanism, which comprises two buffers 6 and 7 joined by a screw 8. This is engaged through a bore 9 of the pad 6 and it is screwed into an axial thread 10 of the pad 7.
  • housing 5 tangentially intersects the bore 3 and that the part of each pad 6 and 7 which is turned in the direction of said bore is profiled to present an oblique facet referenced 11.
  • the pressure force applied to the conductor C by the pressure mechanism 6-7-8 is very high. Since, as a result of its massive nature, the body 1 cannot deform locally, it is the tubular conductor C which deforms, thereby ensuring excellent contact between the metal parts present. It will be noted that, as a result of its deformation, the conductor C comes to marry the surface of the bore 5 placed opposite the part 4, thereby ensuring a regular distribution of the clamping force.
  • connection can have an external shape with practically no sharp angles likely to negatively affect the level of radio interference.
  • the pressure mechanism 6-7-8 can be accommodated in a separate element of the main body 1, said element, provided retractable, being connected to this body by a hinge or by means of removable members (pins), as illustrated by the broken line indicated in 4 'in fig. 2.
  • Fig. 3 illustrates the production of a connector according to the invention specially intended for connection to conductors constituted by braided cables C '.
  • the general arrangement is identical to that described above, the only difference residing in the fact that the buffers 6 and 7 act, no longer directly on the wall of the conductor C 'which, owing to its nature, would risk being damaged superficially as a result of the friction exerted by said pads, but on an intermediate shoe 13 with a curved profile, interposed between said pads and the wall of the braided conductor C '.
  • an elastically deformable washer 14 for example of the Grower type, which is crushed during initial tightening and which thus makes it possible to recover elastically any loosening effect.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)

Abstract

The tubular body (1) of the connector is provided in a solid form so as, on the one hand, to resist any deformation and, on the other hand, to enable a transverse housing (5) to be made, this housing intersecting the bore (3) of the body and enclosing the entire pressure mechanism (6-7-8) with tapered (conical) wedging. <IMAGE>

Description

La présente invention a trait aux raccords de connexion destinés à être montés sur les conducteurs des lignes électriques à moyenne et haute tension.The present invention relates to connection fittings intended to be mounted on the conductors of medium and high voltage power lines.

En liaison avec de telles lignes, on a généralement recours à des raccords dont le corps principal présente une partie concave à profil semi-circulaire établie substantiellement au rayon de la paroi extérieure du conducteur à serrer, laquelle partie, généralement appelée "gorge", est apte à former berceau pour l'appui dudit conducteur. La pression de contact de ce conducteur contre la gorge du raccord est assurée à l'aide d'au moins une bride à oreilles latérales qui comporte une partie ou berceau de profil équivalent à celui de la gorge et qui est serrée à force contre le corps au moyen de deux vis parallèles associées aux oreilles de la bride.In connection with such lines, fittings are generally used, the main body of which has a concave part with a semi-circular profile established substantially at the radius of the outer wall of the conductor to be clamped, which part, generally called "groove", is able to form a cradle for the support of said conductor. The contact pressure of this conductor against the throat of the fitting is ensured using at least one flange with lateral ears which has a part or cradle with a profile equivalent to that of the throat and which is forcibly tightened against the body. by means of two parallel screws associated with the ears of the flange.

On conçoit que dans un tel système, le nombre de brides à fixer sur le corps principal du raccord dépend de la pression de contact nécessaire au bon fonctionnement de la connexion. Le nombre retenu pour les brides a évidemment une répercussion très importante sur le coût et sur le temps nécessaire au montage du raccord.It is understood that in such a system, the number of flanges to be fixed on the main body of the fitting depends on the contact pressure necessary for the proper functioning of the connection. The number chosen for the flanges obviously has a very significant impact on the cost and the time required to assemble the fitting.

C'est à cet inconvénient qu'entend principalement remédier la présente invention, en faisant appel, pour l'obtention de la pression de contact du raccord contre le conducteur, à un système de coincement conique.It is to this drawback that the present invention mainly intends to remedy, by making use, for obtaining the contact pressure of the connector against the conductor, with a conical wedging system.

On rappelera sur ce point que le brevet U.S. N° 1 986 642 (MILNE) a pour objet une pince de connexion pour mise à la terre qui comprend d'une part un collier propre à entourer le conducteur et d'autre part un mécanisme de pression formé par deux tampons tangents à profil tronconique, reliés l'un à l'autre par une vis qui est portée par le collier et dont la manoeuvre au serrage a pour effet d'appliquer, par rapprochement mutuel, lesdits tampons contre la paroi extérieure du conducteur maintenu par le collier. On observera que dans un tel agencement, le conducteur est indéformable et c'est le collier, constitué par un simple ruban, qui se déforme lors de son application contre ledit conducteur.It will be recalled on this point that US Patent No. 1,986,642 (MILNE) relates to a connection clamp for grounding which comprises on the one hand a collar suitable for surrounding the conductor and on the other hand a mechanism for pressure formed by two tangent buffers with a frustoconical profile, connected to each other by a screw which is carried by the collar and whose tightening operation has the effect of applying, by mutual approximation, said buffers against the outer wall of the conductor held by the collar. It will be observed that in such an arrangement, the conductor is undeformable and it is the collar, constituted by a simple ribbon, which deforms when it is applied against said conductor.

Un tel système, destiné à des mises à la terre qui transitent un fort courant pendant une courte durée, l'échauffement momentané étant sans importance, n'est utilisable que pour des conducteurs indéformables à section réduite, si bien qu'il ne peut être directement transposé aux connecteurs ou raccords pour lignes à moyenne ou haute tension qui coopèrent avec des conducteurs déformables (barres tubulaires ou câbles tressés) présentant de fortes sections pour transiter des courants de puissnce élevée, d'une manière continue et pendant une durée de vie importante.Such a system, intended for earthing which transit a strong current for a short period, the momentary heating being without important, can only be used for non-deformable conductors with reduced section, so that it cannot be directly transposed to connectors or fittings for medium or high voltage lines which cooperate with deformable conductors (tubular bars or braided cables) having large sections to pass currents of high power, continuously and for a long service life.

Le raccord de connexion suivant l'invention est défini à la revendication 1 et son originalité réside principalement dans le fait que son corps est établi sous une forme massive pour s'opposer efficacement à toute déformation sous l'effet de l'effort de serrage exercé par le mécanisme de pression à tampons tengents et pour être creusé d'un logement débouchant orienté perpendiculairement à l'axe de L'alésage du corps en intersectant cet alésage, ledit logement renfermant entièrement le mécanisme de pression à coincement conique.The connection connector according to the invention is defined in claim 1 and its originality lies mainly in the fact that its body is established in a massive form to effectively oppose any deformation under the effect of the clamping force exerted by the pressure mechanism with tangent buffers and to be hollowed out of a through housing oriented perpendicular to the axis of the bore of the body by intersecting this bore, said housing entirely enclosing the pressure mechanism with conical wedging.

Le dessin annexé donné à titre d'exemple, permettra de mieux comprendre l'invention, les caractéristiques qu'elle présente et les avantages qu'elle est susceptible de procurer :The attached drawing, given by way of example, will allow a better understanding of the invention, the characteristics which it presents and the advantages which it is capable of providing:

Fig. 1 est une vue en perspective montrant, à l'etat démonté, les pièces d'un raccord de connexion suivant l'invention.Fig. 1 is a perspective view showing, in the disassembled state, the parts of a connection fitting according to the invention.

Fig. 2 est une coupe transversale de ce raccord après montage sur un conducteur.Fig. 2 is a cross section of this connector after mounting on a conductor.

Fig. 3 est une coupe transversale d'un raccord suivant l'invention spécialement destiné aux conducteurs du type tressé.Fig. 3 is a cross section of a connector according to the invention specially intended for conductors of the braided type.

En fig. 1 et 2, la référence 1 désigne le corps principal du raccord, lequel corps, prévu sous forme très massive, est pourvu latéralement d'une semelle 2 du type usuel, destinée à la fixation de la dérivation alimentée par un conducteur C, içi constitué par une barre tubulaire à section circulaire. Ce conducteur C est propre à être engagé, à jeu aussi réduit que possible, à l'intérieur d'un alésage 3 ménagé dans le corps 1 parallèlement à l'axe de la semelle 2.In fig. 1 and 2, the reference 1 designates the main body of the connector, which body, provided in very massive form, is provided laterally with a sole 2 of the usual type, intended for fixing the bypass supplied by a conductor C, here constituted by a tubular bar with circular section. This conductor C is suitable for being engaged, with as little clearance as possible, inside a bore 3 formed in the body 1 parallel to the axis of the sole 2.

Le corps 1 comporte une partie supérieure 4 qui surmonte l'alésage 3 à l'opposé de la semelle 2 et qui est percée d'un logement débouchant 5, orienté perpendiculairement à l'axe de l'alésage précité et établi à une section circulaire dans l'exemple de réalisation considéré. Ce logement 5 est destiné à renfermer entiérement le mécanisme de pression, lequel comprend deux tampons 6 et 7 réunis par une vis 8. Celle-ci est engagée à travers un alésage 9 du tampon 6 et elle se visse dans un taraudage axial 10 du tampon 7.The body 1 has an upper part 4 which overcomes the bore 3 to the opposite of the sole 2 and which is pierced with an opening housing 5, oriented perpendicular to the axis of the aforementioned bore and established in a circular section in the embodiment considered. This housing 5 is intended to entirely enclose the pressure mechanism, which comprises two buffers 6 and 7 joined by a screw 8. This is engaged through a bore 9 of the pad 6 and it is screwed into an axial thread 10 of the pad 7.

Il convient d'observer que le logement 5 intersecte tangentiellement l'alésage 3 et que la partie de chaque tampon 6 et 7 qui est tournée en direction dudit alésage est profilée pour présenter une facette oblique référencée 11.It should be observed that the housing 5 tangentially intersects the bore 3 and that the part of each pad 6 and 7 which is turned in the direction of said bore is profiled to present an oblique facet referenced 11.

Pour brancher un tel raccord sur le conducteur tubulaire C, il suffit à l'opérateur d'introduire celui-ci dans l'alésage 3 et de manoeuvrer la vis 8 au serrage. Le rapprochement mutuel des deux tampons 6 et 7 assure l'application à force des facettes obliques 11 contre la paroi extérieure du conducteur C, à la manière illustrée en fig. 2.To connect such a fitting to the tubular conductor C, the operator need only introduce the latter into the bore 3 and operate the screw 8 when tightening. The mutual bringing together of the two buffers 6 and 7 ensures the application by force of the oblique facets 11 against the external wall of the conductor C, in the manner illustrated in FIG. 2.

On conçoit que l'effort de pression appliqué au conducteur C par le mécanisme de pression 6-7-8 est très élevé. Etant donné que par suite de son caractère massif le corps 1 ne peut se déformer localement, c'est le conducteur tubulaire C qui se déforme, en assurant ainsi un contact excellent entre les pièces métalliques en présence. On notera que par suite de sa déformation le conducteur C vient épouser la surface de l'alésage 5 placée à l'opposé de la partie 4, en assurant de la sorte une répartition régulière de l'effort de serrage.It is understood that the pressure force applied to the conductor C by the pressure mechanism 6-7-8 is very high. Since, as a result of its massive nature, the body 1 cannot deform locally, it is the tubular conductor C which deforms, thereby ensuring excellent contact between the metal parts present. It will be noted that, as a result of its deformation, the conductor C comes to marry the surface of the bore 5 placed opposite the part 4, thereby ensuring a regular distribution of the clamping force.

Cette très grande efficacité de serrage est obtenue à l'aide d'une seule vis, ce qui rend le montage du raccord in situ nettement plus rapide et plus simple que dans le cas des raccords antérieurs à brides. L'usinage du raccord est susceptible d'être effectué en continu et ne nécessite que des moyens conventionnels. Le mécanisme de pression 6-7-8 est renfermé dans le logement 5 et se trouve parfaitement protégé, surtout si l'on prend soin de fermer les extrémités dudit logement à l'aide de bouchons amovibles tels que 12. On notera encore que le raccord peut présenter une forme extérieure ne comportant pratiquement pas d'angles vifs susceptibles d'affecter négativement le niveau d'interférence radio.This very high clamping efficiency is obtained using a single screw, which makes fitting the fitting in situ much quicker and simpler than in the case of previous flanged fittings. The machining of the fitting can be carried out continuously and requires only conventional means. The pressure mechanism 6-7-8 is enclosed in the housing 5 and is perfectly protected, especially if care is taken to close the ends of said housing using removable plugs such as 12. It will also be noted that the connection can have an external shape with practically no sharp angles likely to negatively affect the level of radio interference.

Il va en outre de soi que lorsque le profil fermé de l'alésage 3 constitue un obstacle à la mise en place du raccord sur un conducteur C dont les extrémités ne sont pas accessibles, le mécanisme de pression 6-7-8 peut être logé dans un élément distinct du corps principal 1, ledit élément, prévu escamotable, étant relié à ce corps par une articulation ou par le moyen d'organes démontables (goupilles), comme on l'a illustré par le tracé interrompu indiqué en 4' en fig. 2.It also goes without saying that when the closed profile of the bore 3 constitutes an obstacle to the fitting of the fitting on a conductor C whose ends are not accessible, the pressure mechanism 6-7-8 can be accommodated in a separate element of the main body 1, said element, provided retractable, being connected to this body by a hinge or by means of removable members (pins), as illustrated by the broken line indicated in 4 'in fig. 2.

Fig. 3 illustre la réalisation d'un raccord suivant l'invention spécialement destiné à la connexion sur des conducteurs constitués par des câbles tressés C' . L'agencement général est identique à celui décrit ci-dessus, la seule différence résidant dans le fait que les tampons 6 et 7 agissent, non plus directement sur la paroi du conducteur C' qui par suite de sa nature risquerait d'être endommagé superficiellement par suite du frottement exercé par lesdits tampons, mais sur un sabot intermédiaire 13 à profil cintré, interposé entre lesdits tampons et la paroi du conducteur tressé C' .Fig. 3 illustrates the production of a connector according to the invention specially intended for connection to conductors constituted by braided cables C '. The general arrangement is identical to that described above, the only difference residing in the fact that the buffers 6 and 7 act, no longer directly on the wall of the conductor C 'which, owing to its nature, would risk being damaged superficially as a result of the friction exerted by said pads, but on an intermediate shoe 13 with a curved profile, interposed between said pads and the wall of the braided conductor C '.

Pour éviter tout risque de déserrage intempestif du raccord par suite du fluage du câble C' sous l'effet de l'effort exercé par le sabot 13, il est avantageux de prévoir, entre la tête de la vis 8 et le tampon 6 adjacent, une rondelle élastiquement déformable 14, par exemple du type Grower, qui est écrasée lors du serrage initial et qui permet ainsi de récupérer élastiquement tout effet de déserrage.To avoid any risk of untimely loosening of the connector due to the creep of the cable C ′ under the effect of the force exerted by the shoe 13, it is advantageous to provide, between the head of the screw 8 and the adjacent pad 6, an elastically deformable washer 14, for example of the Grower type, which is crushed during initial tightening and which thus makes it possible to recover elastically any loosening effect.

Claims (4)

Raccord de connexion pour conducteurs électriques, du genre comprenant d'une part un corps tubulaire (1) destiné à être traversé par le conducteur (C, C') et d'autre part un mécanisme de pression à coincement conique formé par deux tampons tangents (6, 7) liés l'un à l'autre par une vis unique (8) propre à assurer, par rapprochement mutuel desdits tampons, l'application tangentielle de la paroi oblique (11) de ceux-ci contre le conducteur et l'application énergique de ce dernier contre la paroi de l'alésage (3) du corps, caractérisé en ce que le corps (1) est établi sous forme massive afin de résister à toute déformation sous l'effet de l'effort exercé par le mécanisme de pression, et est creusé d'un logement débouchant (5) qui, orienté perpendiculairement à l'axe de l'alésage (3), intersecte tangentiellement ce dernier et renferme entièrement le mécanisme de pression (6-7-8).Connection connector for electrical conductors, of the type comprising on the one hand a tubular body (1) intended to be traversed by the conductor (C, C ') and on the other hand a pressure mechanism with conical wedging formed by two tangent buffers (6, 7) linked to each other by a single screw (8) suitable for ensuring, by mutual approximation of said buffers, the tangential application of the oblique wall (11) thereof against the conductor and l energetic application of the latter against the wall of the bore (3) of the body, characterized in that the body (1) is established in massive form in order to resist any deformation under the effect of the force exerted by the pressure mechanism, and is hollowed out of a through housing (5) which, oriented perpendicular to the axis of the bore (3), tangentially intersects the latter and entirely encloses the pressure mechanism (6-7-8). Raccord suivant la revendication 1, caractérisé en ce que les débouchés du logement (5) sont obturés à l'aide de bouchons amovibles (12).Fitting according to claim 1, characterized in that the outlets of the housing (5) are closed with removable plugs (12). Raccord suivant l'une quelconque des revendications 1 et 2, destiné à coopérer avec des conducteurs constitués par des câbles tressés (C'), caractérisé en ce que les tampons tangents (6, 7) agissent sur un sabot intermédiaire (13) interposé entre lesdits tampons et la paroi extérieure du câble (C').Connection according to either of Claims 1 and 2, intended to cooperate with conductors constituted by braided cables (C '), characterized in that the tangent buffers (6, 7) act on an intermediate shoe (13) interposed between said buffers and the outer wall of the cable (C '). Raccord suivant l'une quelconque des revendications 1 à 3, caractérisé en ce que le mécanisme de pression comprend une rondelle élastiquement déformable (14) interposée entre la tête de la vis (8) et le tampon adjacent (6).Connection according to any one of Claims 1 to 3, characterized in that the pressure mechanism comprises an elastically deformable washer (14) interposed between the head of the screw (8) and the adjacent plug (6).
EP93420470A 1992-11-26 1993-11-25 Electric connection piece for tubular conductors. Withdrawn EP0599754A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9214675A FR2698490B1 (en) 1992-11-26 1992-11-26 Electrical connection fitting for tubular conductors.
FR9214675 1992-11-26

Publications (2)

Publication Number Publication Date
EP0599754A2 true EP0599754A2 (en) 1994-06-01
EP0599754A3 EP0599754A3 (en) 1996-01-10

Family

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Family Applications (1)

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EP93420470A Withdrawn EP0599754A3 (en) 1992-11-26 1993-11-25 Electric connection piece for tubular conductors.

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EP (1) EP0599754A3 (en)
CA (1) CA2103483A1 (en)
FR (1) FR2698490B1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1986642A (en) * 1932-03-02 1935-01-01 Slater N Co Ltd Ground rod clip
FR2220890A1 (en) * 1973-03-09 1974-10-04 Baggioli Giuseppe Terminal clamp for vehicle battery - has lead secured by circular clamp with tightening bolt and wedge gripping end of lead
DE2442275B1 (en) * 1974-09-04 1976-01-22 Siemens Ag, 1000 Berlin Und 8000 Muenchen Device for connecting electrical engineering line sections having flange-like bodies at the end

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992008258A1 (en) * 1990-10-29 1992-05-14 General Datacomm, Inc. Electrical connectors having tapered spring contact element

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1986642A (en) * 1932-03-02 1935-01-01 Slater N Co Ltd Ground rod clip
FR2220890A1 (en) * 1973-03-09 1974-10-04 Baggioli Giuseppe Terminal clamp for vehicle battery - has lead secured by circular clamp with tightening bolt and wedge gripping end of lead
DE2442275B1 (en) * 1974-09-04 1976-01-22 Siemens Ag, 1000 Berlin Und 8000 Muenchen Device for connecting electrical engineering line sections having flange-like bodies at the end

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FR2698490B1 (en) 1995-01-13
CA2103483A1 (en) 1994-05-27
EP0599754A3 (en) 1996-01-10
FR2698490A1 (en) 1994-05-27

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