EP0658952A1 - Female electrical contact element and electrical connector housing for receiving such an element - Google Patents

Female electrical contact element and electrical connector housing for receiving such an element Download PDF

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Publication number
EP0658952A1
EP0658952A1 EP94402783A EP94402783A EP0658952A1 EP 0658952 A1 EP0658952 A1 EP 0658952A1 EP 94402783 A EP94402783 A EP 94402783A EP 94402783 A EP94402783 A EP 94402783A EP 0658952 A1 EP0658952 A1 EP 0658952A1
Authority
EP
European Patent Office
Prior art keywords
intended
electrical contact
female
contact member
key
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.)
Granted
Application number
EP94402783A
Other languages
German (de)
French (fr)
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EP0658952B1 (en
Inventor
Jean Ittah
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.)
Connecteurs Cinch SA
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Connecteurs Cinch SA
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Filing date
Publication date
Application filed by Connecteurs Cinch SA filed Critical Connecteurs Cinch SA
Publication of EP0658952A1 publication Critical patent/EP0658952A1/en
Application granted granted Critical
Publication of EP0658952B1 publication Critical patent/EP0658952B1/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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • H01R13/18—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with the spring member surrounding the socket
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/436—Securing a plurality of contact members by one locking piece or operation
    • H01R13/4361—Insertion of locking piece perpendicular to direction of contact insertion
    • H01R13/4362—Insertion of locking piece perpendicular to direction of contact insertion comprising a temporary and a final locking position

Definitions

  • the present invention relates to a female electrical contact member and to an electrical connector housing element intended to receive such a member.
  • the invention relates to female electrical contact members which comprise an elastic clamp intended to grip a male member and whose elastic action is reinforced by a complementary element mounted on the first element and having elastic bars resting on the branches of the clamp.
  • One of the objects of the invention is to provide such a member which is easy to produce, which can be easily housed in a housing element and which provides a good electrical connection.
  • the invention also relates to a connector housing element intended to receive such organs and which is of a type in which erasable locking means are provided to facilitate the positioning of the organs, these means being able, after placement of said organs, be blocked to oppose any untimely withdrawal of said organs.
  • the female electrical contact member is of the type comprising a first element produced from a metal strip which is good conductor of electricity and endowed with a certain elasticity, said strip being cut and folded to present , at one end, crimping lugs extended by a profiled part itself extended by a body terminated by two elastic bars intended to form a clamp for enclosing a corresponding male member of electrical contact and a complementary element fixed on the body and produced from a metallic strip which is good conductor of electricity and endowed with a certain elasticity, said strip being cut and folded to receive the body of the first element and present, on the one hand, two elastic bars intended to bear against the elastic bars of the first element and thus reinforce the elastic action of these, and, on the other hand , a retaining flap whose free end is turned towards the side of the crimping tabs, while the housing element is of the type intended to cooperate with a complementary housing element provided with male electrical contact members, said housing element having channels each intended to receive a female electrical contact member, means
  • the complementary element has, on the one hand, along each of two opposite edges intended to be joined after folding, a tab intended to be folded inwardly to be inserted in a slot of the body of the first element and opening between the two elastic bars, and, on the other hand, a tab cut at an intermediate point on its surface and intended to be folded inwards to fit into a notch the length of said first element and cut from one of the edges of the body intended to be joined with the opposite edge after folding of said body.
  • the body has a flat part in which is cut a lug cooperating with the internal surface of the complementary element.
  • the elastic bars of the first element are terminated by flanges passing through notches in the corresponding end of the complementary element.
  • the complementary element in the vicinity of its free end, comprises, laterally, at least two bosses offset angularly.
  • the complementary element on two opposite edges intended to be joined after folding, comprises a tab intended to bear against projections of the corresponding edges of the elastic bars to maintain a certain spacing between them.
  • the channels of the housing element open onto an open part at the bottom of which are formed imprints corresponding to the shape of the female electrical contact members, the open part being delimited by an end wall intended to limit the engagement of the female electrical contact members and pierced with holes to allow the passage of the male electrical contact members, said open part being delimited by side walls having, on their internal surface, grooves for guiding pins of a key having, on its face intended to be turned opposite the imprints, complementary imprints corresponding to the shape of the female electrical contact members, means being provided for keeping the key in a waiting position in which these imprints away from the indentations at the bottom of the housing member to allow the establishment of said female electrical contact members and for, when these are in place, move the key to a locking position in which the female electrical contact members are sandwiched between said imprints.
  • the side walls are connected, at an intermediate point of their length, by a bridge forming a stop for the retaining flap of the female electrical contact member.
  • each side wall has, on its internal face, three grooves, the intermediate groove having a stop with ramps inclined so as to be able to be crossed, while the other two grooves have hooks with steep turned towards the bottom, the key being provided, on two opposite edges, with pins intended to cooperate with the steep hooks and stops with inclined ramps, the position of the hooks, pins and stops being such that when the pins bear against the steep hooks, the stops of the key bear against a ramp of the stops of the grooves, the key being in the standby position, while when the stops of the key have crossed said stops, the key is in the locked position.
  • the channels comprise, on the side of their entry, two threaded threads leading to longitudinal grooves.
  • the female electrical contact member is provided with flat elastic bars in order to receive a flat male member, for example, of rectangular or square section, it is ensured that said female member will have an angular position compatible with the insertion of the male organ.
  • the housing element is extended, on the side adjacent to the channels, by a skirt in which is inserted a seal pierced with holes aligned with the channels.
  • the housing element comprises two parts open on two opposite faces and each receiving a key.
  • Figure 1 is a plan view showing the development of the first element of an electrical contact member according to the invention.
  • FIG. 2 is a view in elevation of the first element of the electrical member produced from the press of FIG. 1.
  • Figure 3 is a plan view.
  • Figure 4 is a back plan view.
  • Figure 5 is a sectional view along line 5-5 of Figure 2.
  • Figure 6 is a sectional view along line 6-6 of Figure 5.
  • Figure 7 shows in plan the development of the complementary element of the electrical contact member.
  • FIG. 8 is a plan view of the complementary element obtained from the development of FIG. 7.
  • Figure 9 is an elevational view.
  • Figure 10 is a plan view from below.
  • Figure 11 is an elevational view.
  • Figure 12 is a sectional view along line 12-12 of Figure 9.
  • Figure 13 is a sectional view along line 13-13 of Figure 12.
  • Figure 14 is a sectional view along line 14-14 of Figure 10.
  • Figure 15 is a sectional view along line 15-15 of Figure 12.
  • Figure 16 is a sectional view along line 16-16 of Figure 12.
  • Figure 17 is an elevational view of the electrical contact member, the two elements being assembled.
  • Figure 18 is a plan view.
  • Figure 19 is a sectional view along line 19-19 of Figure 17.
  • Figure 20 is a sectional view along line 20-20 of Figure 19.
  • Figure 21 is a sectional view along line 21-21 of Figure 18.
  • Figure 22 is a sectional view along line 22-22 of Figure 19.
  • Figure 23 is a sectional view along line 23-23 of Figure 19.
  • Figure 24 is a plan view showing the development of the first element in an alternative embodiment.
  • Figure 25 is an elevational view of the electrical contact member made according to this second embodiment.
  • Figure 26 is a corresponding plan view.
  • Figure 27 is a sectional view along line 27-27 of Figure 25.
  • Figure 28 is a view along line 28-28 of Figure 27.
  • Figure 29 is an elevational view of a housing member for receiving an electrical contact member of the preceding figures.
  • Figure 30 is a sectional view along line 30-30 of Figure 29.
  • Figure 31 is a view corresponding to Figure 30 showing one of the keys in the locked position.
  • Figure 32 is a sectional view along line 32-32 of Figure 29, the keys being in the standby position.
  • Figure 33 is a view corresponding to Figure 32, the keys being locked.
  • Figure 34 is a sectional view along line 34-34 of Figure 29.
  • Figure 35 is a view corresponding to Figure 34, the keys being locked.
  • Figure 36 is a sectional view along line 36-36 of Figure 29.
  • Figure 37 is a view corresponding to Figure 36, the keys being locked.
  • Figure 38 is a sectional view along line 38-38 of Figure 29.
  • Figure 39 is a sectional view along line 39-39 of Figure 29.
  • Figure 40 is a view corresponding to Figure 39, the keys being locked.
  • the first element of the electrical contact member shown in FIGS. 1 to 6 is produced from a metal strip which is a good conductor of electricity and has a certain elasticity.
  • the first element is designated by the general reference 1 and is cut to present, at one end, two crimping lugs 2 intended to enclose an electrical conductor housed in an insulating sheath. In the vicinity of the tabs 2 is provided a second pair of crimping tabs 3 intended to enclose a stripped part of said electrical conductor.
  • the element 1 On the side opposite to the tabs 2, the element 1 is cut to present two elastic bars 7, 8 intended to constitute a clamp 9 for enclosing a male conductor formed by a flat tongue.
  • Part 10 is intended to be rolled up to form a body with a flat bottom 10 a extended by two arcuate parts, the edges 5 and 6 of which are joined, the edge 6 being provided with a notch 12.
  • Part 4 is profiled to present, on the one hand, a rib 16 of the reinforcement, and, on the other hand, a lug 15 projecting from the side of the outer face of the flat bottom 10 a .
  • the bars 7 and 8 are arched so as to form a contact point in which a boss 20 is produced.
  • the free end of the bar 7 is terminated by a rim 23 facing outwards, the free end of the bar 8 having a corresponding rim 24.
  • FIGS. 7 to 16 show the complementary element intended to be mounted on the first element 1.
  • the complementary element which bears the general reference 30 is cut from a metal blank which is a good conductor of electricity and endowed with a certain elasticity.
  • the blank is cut to have a generally rectangular shape with two long sides 31 and 32 and two short sides 33 and 34.
  • the long side 31 has slots defining two legs 35 and 36, the long side 32 having corresponding legs 37 and 38.
  • the short side 34 is provided with two large notches 39 which delimit stops 41, 42 and 43.
  • a retaining tab 46 extending parallel to the long sides 31 and 32 and the free edge of which faces the short side 33.
  • the complementary element is rolled to form a cylinder with the two long sides 31 and 32 joined.
  • Figures 17 to 23 show the assembly and assembly of the two elements 1 and 30.
  • the complementary element 30 is engaged on the corresponding end of the element 1 so that the lugs 36 and 38 are inserted into the slot 19, while the lug 47 is engaged in the slot formed by the notch 12 .
  • the lugs 35 and 37 are folded inwards so as to bear against the faces turned one opposite the other of the projections 17, 18, while the flanges 23 and 24 are located opposite the notches 39.
  • the stops 41 and 42 make it possible to delimit the width of the space available for the introduction of a male tab and thus to oppose the insertion of a tab whose dimensions are greater than determined dimensions.
  • the lug 15 abuts against the internal surface of the complementary element 30 and thus makes it possible to make up for the play between the flat part 10 a and the complementary element 30.
  • the depth of the notches 39 completes the security provided by the stops 41 and 42 by delimiting the possible clearance of the elastic bars 7 and 8.
  • the legs 35 and 37 by cooperating with the projections 17 and 18, ensure a spacing of the bars 7 and 8 from one another in order to facilitate the insertion of the male tongue.
  • the second element of the electrical contact member is substantially identical to that described and shown in the previous figures and the references used in the drawings to denote it and its various parts have been given, the references used in the preceding figures assigned the letter "a" to denote the corresponding parts.
  • the first element of this variant embodiment is designated by the general reference 55 and is cut to present two pairs of crimping lugs 56 and 57, the lugs 57 being extended by bars 59 secured to a part 60 secured to two elastic bars 64 and 65.
  • the bars 59 are intended to be folded and rolled to form a cylindrical part adjoining a cylindrical part formed by the folding and rolling of the part 60 whose edges 61 and 62 are joined, the edge 62 having a notch 63 intended to form a slit.
  • the elastic bars 64 and 65 are also folded so as to present, one facing the other, a concavity.
  • the electrical contact member 55 is intended to receive a male member with a cylindrical section 70 (see FIG. 27).
  • a second element 30 a which has lugs 36 a , 38 a intended to be inserted in the slot 66, a lug 47 a engaging in the slot 63 and two bars 49 a and 50 a to enhance the resilient action of the resilient strips 65 and 64, respectively.
  • the second element 30 a is provided with a retaining tab 46 a and its free end has no notches 39 as in the embodiment of FIGS. 7 to 11, so that the free ends of the elastic bars 64 and 65 may abut against the internal surface of the second element 30 a when they are separated in order to oppose the engagement of a male member 70 whose dimension would not be appropriate.
  • Figures 29 to 40 show a housing element 71 intended to receive electrical contact members such as those described in the previous figures.
  • the housing element 71 at one end, is extended by a skirt 72 intended to receive a seal 73 constituted by a flexible and elastic block having a series of holes 74 whose lateral surface has undulations, each hole being arranged opposite a channel 75.
  • each channel 75 comprises two threads 76 which extend over 180 ° and each lead to a longitudinal groove 77.
  • Each channel 75 opens onto an open part 89 in the bottom of which are formed imprints 79.
  • imprints 79 are provided, three turned on a lateral side and three turned on the opposite side, the imprints being closed by an end wall 80 pierced with holes 81 for the passage of flat male members 82 integral with a complementary housing element 83 intended to receive the housing element 71.
  • the housing element 71 has two beads 84 and 85 intended to hold a seal 86 fitting into an extension 87 of the complementary housing element 83.
  • the end wall 80 is secured to two side walls 90 which are secured to the bead 85.
  • the side walls are connected on each side by a bridge 91 the face of which faces facing the wall 80 constitutes a stop for the retaining tabs 46.
  • the walls 90 on the internal faces, have grooves 93, 94 and 95.
  • grooves 95 are provided, at each end, retaining hooks 96, the steep 96 a are turned, one facing the other, inward of the corresponding grooves.
  • stops 98 are provided in the vicinity of the ends having two inclined ramps 98 a and 98 b , these stops being offset towards the inside of the grooves relative to the hooks 96.
  • the grooves 93 comprise, at each end, hooks 99, the steep 99 a of which face inward of said grooves.
  • Each imprint 79 takes the form of an electrical contact member corresponding to the first embodiment with, in the vicinity of the end wall 80, a groove 101 extending in the extension of the groove 77.
  • Each key 102 has three fingerprints 103 corresponding to the fingerprints 79 so as to be able to cooperate with the electrical contact members and block them.
  • Each key 102 comprises, along two opposite longitudinal edges, a lug 105 intended to cooperate with the grooves 95, a stop 107 intended to be inserted in the grooves 94 and a lug 109 intended to be guided in the grooves 93.
  • Each lug 105 has a steep 105 turned on the opposite side to the abrupt 96 a corresponding hook 96.
  • the stops 107 affect the same shape as the stops 98 and include ramps 107a and 107b, while the lugs 109 have an abrupt 109 turned on the opposite side 99 has steep.
  • the part of each key 102 located between two pins 109 on two opposite sides has teeth 112 connected by convex parts 111.
  • the keys 102 can occupy two positions, a waiting position and a locking position.
  • the standby position is shown in Figures 32, 34, 36, 38 and 39, while the locked position is shown in Figures 33, 35, 37 and 40.
  • the electrical contact member is first engaged in a hole 74 and, given its cylindrical external shape, it does not injure the side walls of the hole 74 in the joint, the bosses 45 meet the two no-go primers. screws 76 which tend, automatically, to modify the angular position of said member so that said bosses are aligned with the grooves 77.
  • the electrical contact member is pushed so that its free end abuts against the end wall 80 (see figure 30).
  • the retaining flap 46 which, when put in place is elastically erased, protrudes and opposes the withdrawal of said member by abutting against the bridge 91.
  • One of the bosses 45 is guided in the groove 101 so that the member is kept in the correct angular position to receive a flat male member 82, the latter being able to have a rectangular or even square section.
  • the keys 102 When fitting the female electrical contact members, the keys 102 are left in the standby position, position in which the pins 109 have passed the hooks 99 and the pins 105, the hooks 96 (see FIGS. 32, 34 ), so that the keys cannot come off unexpectedly.
  • the stops 107 carry, by their ramp 107 b , against the ramps 98 has stops 98 (see FIG. 36) thus maintaining the imprints 103 of the keys 102 remote from the corresponding imprints 79.
  • the two keys 102 are pressed so that the stops 107 cross the stops 98.
  • the female electrical contact members are trapped, the teeth 112 which are housed between the bridge 91 and the bead 85 coming to be located on either side of the part 4 so that they form a stop opposing the withdrawal of the said members by cooperating with the edge of the second element 30 adjacent to the legs 3.
  • said housing element is intended to receive a female contact member such as that described in FIGS. 1 to 24, since the members must necessarily be oriented from in a precise manner in order to be able to receive the male members 82.
  • the female electrical contact member of FIGS. 25 to 28, as it is intended to receive male members of circular section does not need to be oriented and, for this reason, it has no boss 45.
  • the member of FIGS. 25 to 28 can, without difficulty, equip the housing element 71 and, after installation, be locked by the keys 102.

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  • Connector Housings Or Holding Contact Members (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

Female electrical contact member comprising a first element (1) having, at one end, crimping lugs (2, 3) extended by a profiled part (4) which is itself extended by a body (10) terminated by two resilient (elastic) strips (7, 8) intended to form a grip for clamping a corresponding male electrical contact member (82) and a complementary element (30) fixed to the body (10) including two resilient strips (49, 50) which are intended to reinforce the elastic action of the strips (49, 50), characterized in that the body (10) of the said first element has a circular cross-section, the complementary element (30) having a corresponding circular cross-section and having, on the one hand, along each of its two opposite edges (31, 32) intended to be contiguous after bending (folding), a lug (36, 38) which is intended to be inserted into a slot (slit) (19) in the body (10) of the first element (1) and, on the other hand, a lug (47) cut at an intermediate point on its surface and intended to be inserted into a slot (12) in the said first element (1). <IMAGE>

Description

La présente invention se rapporte à un organe femelle de contact électrique et à un élément de boîtier de connecteur électrique destiné à recevoir un tel organe.The present invention relates to a female electrical contact member and to an electrical connector housing element intended to receive such a member.

L'invention vise des organes femelles de contact électrique qui comportent une pince élastique destinée à enserrer un organe mâle et dont l'action élastique est renforcée par un élément complémentaire monté sur le premier élément et présentant des barrettes élastiques s'appuyant sur les branches de la pince.The invention relates to female electrical contact members which comprise an elastic clamp intended to grip a male member and whose elastic action is reinforced by a complementary element mounted on the first element and having elastic bars resting on the branches of the clamp.

L'un des buts de l'invention est de réaliser un tel organe qui soit facile à réaliser, qui puisse être aisément logé dans un élément de boîtier et qui assure une bonne liaison électrique.One of the objects of the invention is to provide such a member which is easy to produce, which can be easily housed in a housing element and which provides a good electrical connection.

L'invention vise, également, un élément de boîtier de connecteur destiné à recevoir de tels organes et qui soit d'un type dans lequel il est prévu des moyens de verrouillage effaçables pour faciliter la mise en place des organes, ces moyens pouvant, après mise en place desdits organes, être bloqués pour s'opposer à tout retrait intempestif desdits organes.The invention also relates to a connector housing element intended to receive such organs and which is of a type in which erasable locking means are provided to facilitate the positioning of the organs, these means being able, after placement of said organs, be blocked to oppose any untimely withdrawal of said organs.

L'organe femelle de contact électrique, selon l'invention, est du type comprenant un premier élément réalisé à partir d'une bande métallique bonne conductrice de l'électricité et douée d'une certaine élasticité, ladite bande étant découpée et pliée pour présenter, à une extrémité, des pattes de sertissage prolongées par une partie profilée elle-même prolongée par un corps terminé par deux barrettes élastiques destinées à former une pince pour enserrer un organe mâle de contact électrique correspondant et un élément complémentaire fixé sur le corps et réalisé à partir d'une bande métallique bonne conductrice de l'électricité et douée d'une certaine élasticité, ladite bande étant découpée et pliée pour recevoir le corps du premier élément et présenter, d'une part, deux barrettes élastiques destinées à porter contre les barrettes élastiques du premier élément et ainsi renforcer l'action élastique de celles-ci, et, d'autre part, un volet de retenue dont l'extrémité libre est tournée du côté des pattes de sertissage, tandis que l'élément de boîtier est du type destiné à coopérer avec un élément de boîtier complémentaire pourvu des organes mâles de contact électrique, ledit élément de boîtier présentant des canaux destinés à recevoir, chacun, un organe femelle de contact électrique, des moyens étant prévus pour verrouiller lesdits organes, ces moyens étant susceptibles d'occuper une première position d'attente dans laquelle les organes femelles de contact électrique peuvent être mis en place et une seconde position de verrouillage dans laquelle ceux-ci sont bloqués, ledit organe femelle de contact électrique étant caractérisé en ce que le corps dudit premier élément a une section circulaire, l'élément complémentaire ayant une section circulaire correspondante, les barrettes élastiques du premier élément étant méplates.The female electrical contact member, according to the invention, is of the type comprising a first element produced from a metal strip which is good conductor of electricity and endowed with a certain elasticity, said strip being cut and folded to present , at one end, crimping lugs extended by a profiled part itself extended by a body terminated by two elastic bars intended to form a clamp for enclosing a corresponding male member of electrical contact and a complementary element fixed on the body and produced from a metallic strip which is good conductor of electricity and endowed with a certain elasticity, said strip being cut and folded to receive the body of the first element and present, on the one hand, two elastic bars intended to bear against the elastic bars of the first element and thus reinforce the elastic action of these, and, on the other hand , a retaining flap whose free end is turned towards the side of the crimping tabs, while the housing element is of the type intended to cooperate with a complementary housing element provided with male electrical contact members, said housing element having channels each intended to receive a female electrical contact member, means being provided for locking said members, these means being capable of occupying a first waiting position in which the female electrical contact members can be brought into place and a second locking position in which these are locked, said female electrical contact member being t characterized in that the body of said first element has a circular section, the complementary element having a corresponding circular section, the elastic bars of the first element being flat.

Grâce à une telle disposition, on peut sans modifications importantes des outillages, réaliser des organes de contact électrique femelles qui peuvent coopérer aussi bien avec des organes mâles méplats que des organes mâles cylindriques.Thanks to such an arrangement, it is possible without significant modifications to the tools, to produce female electrical contact members which can cooperate as well with flat male members as with cylindrical male members.

Suivant une caractéristique constructive particulière, l'élément complémentaire présente, d'une part, le long de chacun de deux bords opposés destinés à être jointifs après pliage, une patte destinée à être pliée vers l'intérieur pour s'insérer dans une fente du corps du premier élément et s'ouvrant entre les deux barrettes élastiques, et, d'autre part, une patte découpée en un point intermédiaire de sa surface et destinée à être pliée vers l'intérieur pour s'insérer dans une encoche de la longueur dudit premier élément et découpée dans l'un des bords du corps destiné à être jointif avec le bord opposé après pliage dudit corps.According to a particular constructive characteristic, the complementary element has, on the one hand, along each of two opposite edges intended to be joined after folding, a tab intended to be folded inwardly to be inserted in a slot of the body of the first element and opening between the two elastic bars, and, on the other hand, a tab cut at an intermediate point on its surface and intended to be folded inwards to fit into a notch the length of said first element and cut from one of the edges of the body intended to be joined with the opposite edge after folding of said body.

Suivant un mode de réalisation particulier, le corps présente une partie méplate dans laquelle est découpé un ergot coopérant avec la surface interne de l'élément complémentaire.According to a particular embodiment, the body has a flat part in which is cut a lug cooperating with the internal surface of the complementary element.

Suivant un premier mode de réalisation, les barrettes élastiques du premier élément sont terminées par des rebords traversant des encoches de l'extrémité correspondante de l'élément complémentaire.According to a first embodiment, the elastic bars of the first element are terminated by flanges passing through notches in the corresponding end of the complementary element.

Suivant une caractéristique particulière, l'élément complémentaire, au voisinage de son extrémité libre, comporte, latéralement, au moins deux bossages décalés angulairement.According to a particular characteristic, the complementary element, in the vicinity of its free end, comprises, laterally, at least two bosses offset angularly.

Suivant un mode de réalisation particulier, l'élément complémentaire, sur deux bords opposés destinés à être jointifs après pliage, comporte une patte destinée à porter contre des saillies des bords correspondants des barrettes élastiques pour maintenir un certain écartement entre elles.According to a particular embodiment, the complementary element, on two opposite edges intended to be joined after folding, comprises a tab intended to bear against projections of the corresponding edges of the elastic bars to maintain a certain spacing between them.

Suivant une caractéristique constructive, les canaux de l'élément de boîtier débouchent sur une partie ouverte dans le fond de laquelle sont conformées des empreintes correspondant à la forme des organes femelles de contact électrique , la partie ouverte étant délimitée par une paroi d'extrémité destinée à limiter l'engagement des organes femelles de contact électrique et percée de trous pour permettre le passage des organes de contacts électriques mâles, ladite partie ouverte étant délimitée par des parois latérales présentant, sur leur surface interne, des rainures pour le guidage d'ergots d'une clé présentant, sur sa face destinée à être tournée en regard des empreintes, des empreintes complémentaires correspondant à la forme des organes femelles de contact électrique , des moyens étant prévus pour maintenir la clé dans une position d'attente dans laquelle ces empreintes sont éloignées des empreintes du fond de l'élément de boîtier pour permettre la mise en place desdits organes femelles de contact électrique et pour, lorsque ceux-ci sont mis en place, déplacer la clé vers une position de verrouillage dans laquelle les organes femelles de contact électrique sont enserrés entre lesdites empreintes.According to a constructive characteristic, the channels of the housing element open onto an open part at the bottom of which are formed imprints corresponding to the shape of the female electrical contact members, the open part being delimited by an end wall intended to limit the engagement of the female electrical contact members and pierced with holes to allow the passage of the male electrical contact members, said open part being delimited by side walls having, on their internal surface, grooves for guiding pins of a key having, on its face intended to be turned opposite the imprints, complementary imprints corresponding to the shape of the female electrical contact members, means being provided for keeping the key in a waiting position in which these imprints away from the indentations at the bottom of the housing member to allow the establishment of said female electrical contact members and for, when these are in place, move the key to a locking position in which the female electrical contact members are sandwiched between said imprints.

De préférence, les parois latérales sont reliées, en un point intermédiaire de leur longueur, par un pont formant une butée pour le volet de retenue de l'organe femelle de contact électrique.Preferably, the side walls are connected, at an intermediate point of their length, by a bridge forming a stop for the retaining flap of the female electrical contact member.

Suivant une autre caractéristique constructive, chaque paroi latérale comporte, sur sa face interne, trois rainures, la rainure intermédiaire présentant une butée avec des rampes inclinées de manière à pouvoir être franchie, tandis que les deux autres rainures comportent des crochets avec des abrupts tournés vers le fond, la clé étant pourvue, sur deux bords opposés, d'ergots destinés à coopérer avec les abrupts des crochets et de butées avec des rampes inclinées, la position des crochets, des ergots et des butées étant telle que lorsque les ergots portent contre les abrupts des crochets, les butées de la clé portent contre une rampe des butées des rainures, la clé étant en position d'attente, tandis que lorsque les butées de la clé ont franchi lesdites butées, la clé est en position de verrouillage.According to another constructive characteristic, each side wall has, on its internal face, three grooves, the intermediate groove having a stop with ramps inclined so as to be able to be crossed, while the other two grooves have hooks with steep turned towards the bottom, the key being provided, on two opposite edges, with pins intended to cooperate with the steep hooks and stops with inclined ramps, the position of the hooks, pins and stops being such that when the pins bear against the steep hooks, the stops of the key bear against a ramp of the stops of the grooves, the key being in the standby position, while when the stops of the key have crossed said stops, the key is in the locked position.

Suivant encore une autre caractéristique constructive, les canaux comportent, du côté de leur entrée, deux amorces de pas-de-vis débouchant sur des cannelures longitudinales.According to yet another constructive characteristic, the channels comprise, on the side of their entry, two threaded threads leading to longitudinal grooves.

Ainsi, lorsque l'organe femelle de contact électrique est pourvu de barrettes élastiques méplates afin de recevoir un organe mâle méplat, par exemple, à section rectangulaire ou carrée on est assuré que ledit organe femelle aura une position angulaire compatible avec l'insertion de l'organe mâle.Thus, when the female electrical contact member is provided with flat elastic bars in order to receive a flat male member, for example, of rectangular or square section, it is ensured that said female member will have an angular position compatible with the insertion of the male organ.

Suivant un mode de réalisation particulier, l'élément de boîtier est prolongé, du côté adjacent aux canaux, par une jupe dans laquelle est inséré un joint d'étanchéité percé de trous alignés avec les canaux.According to a particular embodiment, the housing element is extended, on the side adjacent to the channels, by a skirt in which is inserted a seal pierced with holes aligned with the channels.

Lorsqu'on insère l'organe femelle dans l'élément de boîtier, compte tenu de sa forme générale cylindrique, on ne risque pas d'endommager le joint.When the female member is inserted into the housing element, given its generally cylindrical shape, there is no risk of damaging the seal.

Enfin, suivant un cas particulier, l'élément de boîtier comporte deux parties ouvertes sur deux faces opposées et recevant, chacune, une clé.Finally, according to a particular case, the housing element comprises two parts open on two opposite faces and each receiving a key.

L'invention va maintenant être décrite avec plus de détails en se référant à des modes de réalisation particuliers donnés à titre d'exemple seulement et représentés aux dessins annexés, dans lesquels :The invention will now be described in more detail with reference to particular embodiments given by way of example only and shown in the accompanying drawings, in which:

Figure 1 est une vue en plan montrant le développé du premier élément d'un organe de contact électrique, selon l'invention.Figure 1 is a plan view showing the development of the first element of an electrical contact member according to the invention.

Figure 2 est une vue en élévation du premier élément de l'organe électrique réalisé à partir du développé de la figure 1.FIG. 2 is a view in elevation of the first element of the electrical member produced from the press of FIG. 1.

Figure 3 est une vue en plan.Figure 3 is a plan view.

Figure 4 est une vue en plan de dos.Figure 4 is a back plan view.

Figure 5 est une vue en coupe suivant la ligne 5-5 de la figure 2.Figure 5 is a sectional view along line 5-5 of Figure 2.

Figure 6 est une vue en coupe suivant la ligne 6-6 de la figure 5.Figure 6 is a sectional view along line 6-6 of Figure 5.

Figure 7 montre en plan le développé de l'élément complémentaire de l'organe de contact électrique.Figure 7 shows in plan the development of the complementary element of the electrical contact member.

Figure 8 est une vue en plan de l'élément complémentaire obtenu à partir du développé de la figure 7.FIG. 8 is a plan view of the complementary element obtained from the development of FIG. 7.

Figure 9 est une vue en élévation.Figure 9 is an elevational view.

Figure 10 est une vue en plan par-dessous.Figure 10 is a plan view from below.

Figure 11 est une vue en élévation.Figure 11 is an elevational view.

Figure 12 est une vue en coupe suivant la ligne 12-12 de la figure 9.Figure 12 is a sectional view along line 12-12 of Figure 9.

Figure 13 est une vue en coupe suivant la ligne 13-13 de la figure 12.Figure 13 is a sectional view along line 13-13 of Figure 12.

Figure 14 est une vue en coupe suivant la ligne 14-14 de la figure 10.Figure 14 is a sectional view along line 14-14 of Figure 10.

Figure 15 est une vue en coupe suivant la ligne 15-15 de la figure 12.Figure 15 is a sectional view along line 15-15 of Figure 12.

Figure 16 est une vue en coupe suivant la ligne 16-16 de la figure 12.Figure 16 is a sectional view along line 16-16 of Figure 12.

Figure 17 est une vue en élévation de l'organe de contact électrique, les deux éléments étant assemblés.Figure 17 is an elevational view of the electrical contact member, the two elements being assembled.

Figure 18 est une vue en plan.Figure 18 is a plan view.

Figure 19 est une vue en coupe suivant la ligne 19-19 de la figure 17.Figure 19 is a sectional view along line 19-19 of Figure 17.

Figure 20 est une vue en coupe suivant la ligne 20-20 de la figure 19.Figure 20 is a sectional view along line 20-20 of Figure 19.

Figure 21 est une vue en coupe suivant la ligne 21-21 de la figure 18.Figure 21 is a sectional view along line 21-21 of Figure 18.

Figure 22 est une vue en coupe suivant la ligne 22-22 de la figure 19.Figure 22 is a sectional view along line 22-22 of Figure 19.

Figure 23 est une vue en coupe suivant la ligne 23-23 de la figure 19.Figure 23 is a sectional view along line 23-23 of Figure 19.

Figure 24 est une vue en plan montrant le développé du premier élément dans une variante de réalisation.Figure 24 is a plan view showing the development of the first element in an alternative embodiment.

Figure 25 est une vue en élévation de l'organe de contact électrique réalisé suivant ce second mode de réalisation.Figure 25 is an elevational view of the electrical contact member made according to this second embodiment.

Figure 26 est une vue en plan correspondante.Figure 26 is a corresponding plan view.

Figure 27 est une vue en coupe suivant la ligne 27-27 de la figure 25.Figure 27 is a sectional view along line 27-27 of Figure 25.

Figure 28 est une vue suivant la ligne 28-28 de la figure 27.Figure 28 is a view along line 28-28 of Figure 27.

Figure 29 est une vue en élévation d'un élément de boîtier destiné à recevoir un organe de contact électrique des figures précédentes.Figure 29 is an elevational view of a housing member for receiving an electrical contact member of the preceding figures.

Figure 30 est une vue en coupe suivant la ligne 30-30 de la figure 29.Figure 30 is a sectional view along line 30-30 of Figure 29.

Figure 31 est une vue correspondant à la figure 30 montrant une des clés en position de verrouillage.Figure 31 is a view corresponding to Figure 30 showing one of the keys in the locked position.

Figure 32 est une vue en coupe suivant la ligne 32-32 de la figure 29, les clés étant en position d'attente.Figure 32 is a sectional view along line 32-32 of Figure 29, the keys being in the standby position.

Figure 33 est une vue correspondant à la figure 32, les clés étant verrouillées.Figure 33 is a view corresponding to Figure 32, the keys being locked.

Figure 34 est une vue en coupe suivant la ligne 34-34 de la figure 29.Figure 34 is a sectional view along line 34-34 of Figure 29.

Figure 35 est une vue correspondant à la figure 34, les clés étant verrouillées.Figure 35 is a view corresponding to Figure 34, the keys being locked.

Figure 36 est une vue en coupe suivant la ligne 36-36 de la figure 29.Figure 36 is a sectional view along line 36-36 of Figure 29.

Figure 37 est une vue correspondant à la figure 36, les clés étant verrouillées.Figure 37 is a view corresponding to Figure 36, the keys being locked.

Figure 38 est une vue en coupe suivant la ligne 38-38 de la figure 29.Figure 38 is a sectional view along line 38-38 of Figure 29.

Figure 39 est une vue en coupe suivant la ligne 39-39 de la figure 29.Figure 39 is a sectional view along line 39-39 of Figure 29.

Figure 40 est une vue correspondant à la figure 39, les clés étant verrouillées.Figure 40 is a view corresponding to Figure 39, the keys being locked.

Le premier élément de l'organe de contact électrique représenté aux figures 1 à 6 est réalisé à partir d'une bande métallique bonne conductrice de l'électricité et présentant une certaine élasticité.The first element of the electrical contact member shown in FIGS. 1 to 6 is produced from a metal strip which is a good conductor of electricity and has a certain elasticity.

Le premier élément est désigné par la référence générale 1 et est découpé pour présenter, à une extrémité, deux pattes de sertissage 2 destinées à enserrer un conducteur électrique logé dans une gaine isolante. Au voisinage des pattes 2 est prévue une seconde paire de pattes de sertissage 3 destinées à enserrer une partie dénudée dudit conducteur électrique.The first element is designated by the general reference 1 and is cut to present, at one end, two crimping lugs 2 intended to enclose an electrical conductor housed in an insulating sheath. In the vicinity of the tabs 2 is provided a second pair of crimping tabs 3 intended to enclose a stripped part of said electrical conductor.

Du côté opposé aux pattes 2, l'élément 1 est découpé pour présenter deux barrettes élastiques 7, 8 destinées à constituer une pince 9 pour enserrer un conducteur mâle formé d'une languette méplate.On the side opposite to the tabs 2, the element 1 is cut to present two elastic bars 7, 8 intended to constitute a clamp 9 for enclosing a male conductor formed by a flat tongue.

Entre les barrettes 7 et 8 et les pattes 3 sont ménagées une partie 10 et une partie 4.Between the bars 7 and 8 and the tabs 3 are formed a part 10 and a part 4.

La partie 10 est destinée à être roulée pour former un corps avec un fond méplat 10a prolongé par deux parties arquées dont les bords 5 et 6 sont jointifs, le bord 6 étant pourvu d'une encoche 12.Part 10 is intended to be rolled up to form a body with a flat bottom 10 a extended by two arcuate parts, the edges 5 and 6 of which are joined, the edge 6 being provided with a notch 12.

La partie 4 est profilée pour présenter, d'une part, une nervure 16 du renforcement, et, d'autre part, un ergot 15 en saillie du côté de la face extérieure du fond méplat 10a.Part 4 is profiled to present, on the one hand, a rib 16 of the reinforcement, and, on the other hand, a lug 15 projecting from the side of the outer face of the flat bottom 10 a .

Dans le fond méplat 10a, du côté des barrettes élastique 7 et 8, est ménagée une fente 19, tandis que lesdites barrettes 7 et 8 présentent des saillies respectivement 17 et 18 tournées du côté dudit fond méplat 10a.In the flat bottom 10 a , on the side of the elastic bars 7 and 8, a slot 19 is made, while said bars 7 and 8 have projections 17 and 18 respectively turned on the side of said flat bottom 10 a .

Les barrettes 7 et 8 sont cambrées de manière à former un point de contact dans lequel est réalisé un bossage 20.The bars 7 and 8 are arched so as to form a contact point in which a boss 20 is produced.

L'extrémité libre de la barrette 7 est terminée par un rebord 23 tourné vers l'extérieur, l'extrémité libre de la barrette 8 comportant un rebord correspondant 24.The free end of the bar 7 is terminated by a rim 23 facing outwards, the free end of the bar 8 having a corresponding rim 24.

Les figures 7 à 16 montrent l'élément complémentaire destiné à être monté sur le premier élément 1.FIGS. 7 to 16 show the complementary element intended to be mounted on the first element 1.

L'élément complémentaire qui porte la référence générale 30 est découpé dans un flan métallique bon conducteur de l'électricité et doué d'une certaine élasticité.The complementary element which bears the general reference 30 is cut from a metal blank which is a good conductor of electricity and endowed with a certain elasticity.

Le flan est découpé pour présenter une forme générale rectangulaire avec deux grands côtés 31 et 32 et deux petits côtés 33 et 34.The blank is cut to have a generally rectangular shape with two long sides 31 and 32 and two short sides 33 and 34.

Le grand côté 31 présente des fentes délimitant deux pattes 35 et 36, le grand côté 32 comportant des pattes 37 et 38 correspondantes.The long side 31 has slots defining two legs 35 and 36, the long side 32 having corresponding legs 37 and 38.

Le petit côté 34 est pourvu de deux grandes encoches 39 qui délimitent des butées 41, 42 et 43.The short side 34 is provided with two large notches 39 which delimit stops 41, 42 and 43.

Au voisinage du petit côté 34 sont pratiqués deux emboutis circulaires 45 destinés à former, à la surface latérale, des bossages.In the vicinity of the short side 34 are made two circular stampings 45 intended to form, on the lateral surface, bosses.

Au voisinage du petit côté 33 est découpée une languette de retenue 46 s'étendant parallèlement aux grands côtés 31 et 32 et dont le bord libre est tourné vers le petit côté 33.Near the short side 33 is cut a retaining tab 46 extending parallel to the long sides 31 and 32 and the free edge of which faces the short side 33.

Au voisinage d'un bord de la languette de retenue 46 est découpée une patte 47.In the vicinity of an edge of the retaining tab 46 is cut a tab 47.

Enfin dans le flan sont découpées deux barrettes 49 et 50 destinées à renforcer l'action élastique des barrettes 7 et 8.Finally in the blank are cut two bars 49 and 50 intended to reinforce the elastic action of the bars 7 and 8.

L'élément complémentaire est roulé pour former un cylindre avec les deux grands côtés 31 et 32 jointifs.The complementary element is rolled to form a cylinder with the two long sides 31 and 32 joined.

Les figures 17 à 23 montrent le montage et l'assemblage des deux éléments 1 et 30.Figures 17 to 23 show the assembly and assembly of the two elements 1 and 30.

L'élément complémentaire 30 est engagé sur l'extrémité correspondante de l'élément 1 de manière que les pattes 36 et 38 viennent s'insérer dans la fente 19, tandis que la patte 47 est engagée dans la fente formée par l'encoche 12.The complementary element 30 is engaged on the corresponding end of the element 1 so that the lugs 36 and 38 are inserted into the slot 19, while the lug 47 is engaged in the slot formed by the notch 12 .

Dans cette position, la barrette 50 porte contre la barrette 8, tandis que la barrette 49 coopère avec la barrette 7.In this position, the bar 50 bears against the bar 8, while the bar 49 cooperates with the bar 7.

Les pattes 35 et 37 sont rabattues vers l'intérieur de manière à porter contre les faces tournées l'une en regard de l'autre des saillies 17, 18, tandis que les rebords 23 et 24 viennent se situer en regard des encoches 39.The lugs 35 and 37 are folded inwards so as to bear against the faces turned one opposite the other of the projections 17, 18, while the flanges 23 and 24 are located opposite the notches 39.

Les butées 41 et 42 permettent de délimiter la largeur de l'espace disponible pour l'introduction d'une languette mâle et ainsi de s'opposer à l'insertion d'une languette dont les dimensions sont supérieures à des dimensions déterminées.The stops 41 and 42 make it possible to delimit the width of the space available for the introduction of a male tab and thus to oppose the insertion of a tab whose dimensions are greater than determined dimensions.

L'ergot 15 bute contre la surface interne de l'élément complémentaire 30 et permet ainsi de rattraper le jeu entre la partie méplate 10a et l'élément complémentaire 30.The lug 15 abuts against the internal surface of the complementary element 30 and thus makes it possible to make up for the play between the flat part 10 a and the complementary element 30.

La profondeur des encoches 39 complète la sécurité donnée par les butées 41 et 42 en délimitant le débattement possible des barrettes élastiques 7 et 8.The depth of the notches 39 completes the security provided by the stops 41 and 42 by delimiting the possible clearance of the elastic bars 7 and 8.

Enfin, les pattes 35 et 37, en coopérant avec les saillies 17 et 18, assurent un écartement des barrettes 7 et 8 l'une de l'autre afin de faciliter l'insertion de la languette mâle.Finally, the legs 35 and 37, by cooperating with the projections 17 and 18, ensure a spacing of the bars 7 and 8 from one another in order to facilitate the insertion of the male tongue.

Dans le mode de réalisation des figures 24 à 28, le second élément de l'organe de contact électrique est sensiblement identique à celui décrit et représenté aux figures précédentes et on a reporté, sur les dessins pour désigner celui-ci et ses différentes parties, les références utilisées aux figures précédentes affectées de la lettre "a" pour désigner les parties correspondantes.In the embodiment of FIGS. 24 to 28, the second element of the electrical contact member is substantially identical to that described and shown in the previous figures and the references used in the drawings to denote it and its various parts have been given, the references used in the preceding figures assigned the letter "a" to denote the corresponding parts.

Le premier élément de cette variante de réalisation est désigné par la référence générale 55 et est découpé pour présenter deux paires de pattes de sertissage 56 et 57, les pattes 57 étant prolongées par des barreaux 59 solidaires d'une partie 60 solidaire de deux barrettes élastiques 64 et 65.The first element of this variant embodiment is designated by the general reference 55 and is cut to present two pairs of crimping lugs 56 and 57, the lugs 57 being extended by bars 59 secured to a part 60 secured to two elastic bars 64 and 65.

Les barreaux 59 sont destinés à être pliés et roulés pour former une partie cylindrique attenante à une partie cylindrique formée par le pliage et le roulage de la partie 60 dont les bords 61 et 62 sont jointifs, le bord 62 présentant une encoche 63 destinée à former une fente.The bars 59 are intended to be folded and rolled to form a cylindrical part adjoining a cylindrical part formed by the folding and rolling of the part 60 whose edges 61 and 62 are joined, the edge 62 having a notch 63 intended to form a slit.

Les barrettes élastiques 64 et 65 sont également pliées de manière à présenter, l'une en regard de l'autre, une concavité.The elastic bars 64 and 65 are also folded so as to present, one facing the other, a concavity.

Dans la partie 60 est ménagée une fente 66. L'organe de contact électrique 55 est destiné à recevoir un organe mâle à section cylindrique 70 (voir figure 27).In the part 60 is formed a slot 66. The electrical contact member 55 is intended to receive a male member with a cylindrical section 70 (see FIG. 27).

Sur l'élément 55 est engagé et fixé un second élément 30a qui comporte des pattes 36a, 38a destinées à s'insérer dans la fente 66, une patte 47a s'engageant dans la fente 63 et deux barrettes 49a et 50a destinées à renforcer l'action élastique des barrettes élastiques 65 et 64, respectivement.On the element 55 is engaged and fixed a second element 30 a which has lugs 36 a , 38 a intended to be inserted in the slot 66, a lug 47 a engaging in the slot 63 and two bars 49 a and 50 a to enhance the resilient action of the resilient strips 65 and 64, respectively.

Le second élément 30a est pourvu d'une languette de retenue 46a et son extrémité libre ne présente pas d'encoches 39 comme dans le mode de réalisation des figures 7 à 11, de sorte que les extrémités libres des barrettes élastiques 64 et 65 peuvent venir buter contre la surface interne du second élément 30a lorsqu'elles sont écartées afin de s'opposer à l'engagement d'un organe mâle 70 dont la dimension ne serait pas appropriée.The second element 30 a is provided with a retaining tab 46 a and its free end has no notches 39 as in the embodiment of FIGS. 7 to 11, so that the free ends of the elastic bars 64 and 65 may abut against the internal surface of the second element 30 a when they are separated in order to oppose the engagement of a male member 70 whose dimension would not be appropriate.

Les figures 29 à 40 montrent un élément de boîtier 71 destiné à recevoir des organes de contacts électriques tels que ceux décrits aux figures précédentes.Figures 29 to 40 show a housing element 71 intended to receive electrical contact members such as those described in the previous figures.

L'élément de boîtier 71, à une extrémité, est prolongé par une jupe 72 destinée à recevoir un joint d'étanchéité 73 constitué par un bloc souple et élastique présentant une série de trous 74 dont la surface latérale comporte des ondulations, chaque trou étant disposé en regard d'un canal 75.The housing element 71, at one end, is extended by a skirt 72 intended to receive a seal 73 constituted by a flexible and elastic block having a series of holes 74 whose lateral surface has undulations, each hole being arranged opposite a channel 75.

L'entrée de chaque canal 75 comporte deux amorces de pas-de-vis 76 s'étendant sur 180° et débouchant, chacun, sur une cannelure longitudinale 77.The inlet of each channel 75 comprises two threads 76 which extend over 180 ° and each lead to a longitudinal groove 77.

Chaque canal 75 débouche sur une partie ouverte 89 dans le fond de laquelle sont conformées des empreintes 79. Dans le mode de réalisation représenté, il est prévu six empreintes 79, trois tournées d'un côté latéral et trois tournées du côté opposé, les empreintes étant fermées par une paroi d'extrémité 80 percée de trous 81 pour le passage d'organes mâles méplats 82 solidaires d'un élément de boîtier complémentaire 83 destiné à recevoir l'élément de boîtier 71.Each channel 75 opens onto an open part 89 in the bottom of which are formed imprints 79. In the embodiment shown, six imprints 79 are provided, three turned on a lateral side and three turned on the opposite side, the imprints being closed by an end wall 80 pierced with holes 81 for the passage of flat male members 82 integral with a complementary housing element 83 intended to receive the housing element 71.

L'élément de boîtier 71 présente deux bourrelets 84 et 85 destinés à maintenir un joint d'étanchéité 86 s'insérant dans un prolongement 87 de l'élément de boîtier complémentaire 83.The housing element 71 has two beads 84 and 85 intended to hold a seal 86 fitting into an extension 87 of the complementary housing element 83.

La paroi d'extrémité 80 est solidaire de deux parois latérales 90 qui sont solidaires du bourrelet 85.The end wall 80 is secured to two side walls 90 which are secured to the bead 85.

Les parois latérales sont reliées de chaque côté par un pont 91 dont la face tournée en regard de la paroi 80 constitue une butée pour les languettes de retenue 46.The side walls are connected on each side by a bridge 91 the face of which faces facing the wall 80 constitutes a stop for the retaining tabs 46.

Les parois 90, sur les faces internes, comportent des rainures 93, 94 et 95.The walls 90, on the internal faces, have grooves 93, 94 and 95.

Dans les rainures 95 sont prévus, à chaque extrémité, des crochets de retenue 96 dont les abrupts 96a sont tournés, l'un en regard de l'autre, vers l'intérieur des rainures correspondantes.In the grooves 95 are provided, at each end, retaining hooks 96, the steep 96 a are turned, one facing the other, inward of the corresponding grooves.

Dans les rainures 94, au voisinage des extrémités, sont prévues des butées 98 présentant deux rampes inclinées 98a et 98b, ces butées étant décalées vers térieur des rainures par rapport aux crochets 96.In the grooves 94, in the vicinity of the ends, stops 98 are provided having two inclined ramps 98 a and 98 b , these stops being offset towards the inside of the grooves relative to the hooks 96.

Les rainures 93 comportent, à chaque extrémité, des crochets 99 dont les abrupts 99a sont tournés vers l'intérieur desdites rainures.The grooves 93 comprise, at each end, hooks 99, the steep 99 a of which face inward of said grooves.

Chaque empreinte 79 affecte la forme d'un organe de contact électrique correspondant au premier mode de réalisation avec, au voisinage de la paroi d'extrémité 80, une cannelure 101 s'étendant dans le prolongement de la cannelure 77.Each imprint 79 takes the form of an electrical contact member corresponding to the first embodiment with, in the vicinity of the end wall 80, a groove 101 extending in the extension of the groove 77.

Il est prévu deux clés de verrouillage 102. Chaque clé 102 présente trois empreintes 103 correspondant aux empreintes 79 de manière à pouvoir coopérer avec les organes de contacts électriques et bloquer ceux-ci.Two locking keys 102 are provided. Each key 102 has three fingerprints 103 corresponding to the fingerprints 79 so as to be able to cooperate with the electrical contact members and block them.

Chaque clé 102 comporte, le long de deux bords longitudinaux opposés, un ergot 105 destiné à coopérer avec les rainures 95, une butée 107 destinée à s'insérer dans les rainures 94 et un ergot 109 destiné à être guidé dans les rainures 93.Each key 102 comprises, along two opposite longitudinal edges, a lug 105 intended to cooperate with the grooves 95, a stop 107 intended to be inserted in the grooves 94 and a lug 109 intended to be guided in the grooves 93.

Chaque ergot 105 présente un abrupt 105a tourné du côté opposé à l'abrupt 96a correspondant du crochet 96.Each lug 105 has a steep 105 turned on the opposite side to the abrupt 96 a corresponding hook 96.

Les butées 107 affectent la même forme que les butées 98 et comportent des rampes 107a et 107b, tandis que les ergots 109 présentent un abrupt 109a tourné du côté opposé aux abrupts 99a. La partie de chaque clé 102 située entre deux ergots 109 de deux côtés opposés comporte des dents 112 reliées par des parties convexes 111.The stops 107 affect the same shape as the stops 98 and include ramps 107a and 107b, while the lugs 109 have an abrupt 109 turned on the opposite side 99 has steep. The part of each key 102 located between two pins 109 on two opposite sides has teeth 112 connected by convex parts 111.

Les clés 102 peuvent occuper deux positions, une position d'attente et une position de verrouillage.The keys 102 can occupy two positions, a waiting position and a locking position.

La position d'attente est montrée sur les figures 32, 34, 36, 38 et 39, tandis que la position verrouillée est représentéesur les figures 33, 35, 37 et 40.The standby position is shown in Figures 32, 34, 36, 38 and 39, while the locked position is shown in Figures 33, 35, 37 and 40.

L'organe de contact électrique est engagé d'abord dans un trou 74 et, compte tenu de sa forme externe cylindrique, il ne blesse pas les parois latérales du trou 74 du joint, les bossages 45 rencontrent les deux amorces de pas-de-vis 76 qui tendent, automatiquement, à modifier la position angulaire dudit organe afin que lesdits bossages viennent s'aligner avec les cannelures 77. L'organe de contact électrique est poussé de manière que son extrémité libre vienne buter contre la paroi d'extrémité 80 (voir figure 30). Dans cette position, le volet de retenue 46 qui, lors de la mise en place s'est effacé élastiquement, fait saillie et s'oppose au retrait dudit organe en butant contre le pont 91. L'un des bossages 45 est guidé dans la cannelure 101 de sorte que l'organe est maintenu dans la bonne position angulaire pour recevoir un organe mâle méplat 82, ce dernier pouvant avoir une section rectangulaire, voire carrée.The electrical contact member is first engaged in a hole 74 and, given its cylindrical external shape, it does not injure the side walls of the hole 74 in the joint, the bosses 45 meet the two no-go primers. screws 76 which tend, automatically, to modify the angular position of said member so that said bosses are aligned with the grooves 77. The electrical contact member is pushed so that its free end abuts against the end wall 80 (see figure 30). In this position, the retaining flap 46 which, when put in place is elastically erased, protrudes and opposes the withdrawal of said member by abutting against the bridge 91. One of the bosses 45 is guided in the groove 101 so that the member is kept in the correct angular position to receive a flat male member 82, the latter being able to have a rectangular or even square section.

Lors de la mise en place des organes de contacts électriques femelles, les clés 102 sont laissées dans la position d'attente, position dans laquelle les ergots 109 ont franchi les crochets 99 et les ergots 105, les crochets 96 (voir figures 32, 34), de sorte que les clés ne peuvent se détacher intempestivement. Par contre, les butées 107 portent, par leur rampe 107b, contre les rampes 98a des butées 98 (voir figure 36) maintenant ainsi les empreintes 103 des clés 102 éloignées des empreintes correspondantes 79.When fitting the female electrical contact members, the keys 102 are left in the standby position, position in which the pins 109 have passed the hooks 99 and the pins 105, the hooks 96 (see FIGS. 32, 34 ), so that the keys cannot come off unexpectedly. On the other hand, the stops 107 carry, by their ramp 107 b , against the ramps 98 has stops 98 (see FIG. 36) thus maintaining the imprints 103 of the keys 102 remote from the corresponding imprints 79.

Lorsque les organes de contacts électriques femelles sont tous mis en place, on presse sur les deux clés 102 afin que les butées 107 franchissent les butées 98. Dans cette position, les organes de contacts électriques femelles se trouvent emprisonnés, les dents 112 qui sont logées entre le pont 91 et le bourrelet 85 venant se situer de part et d'autre de la partie 4 de sorte qu'elles forment une butée s'opposant au retrait desdits organes en coopérant avec le bord du second élément 30 adjacent aux pattes 3.When the female electrical contact members are all in place, the two keys 102 are pressed so that the stops 107 cross the stops 98. In this position, the female electrical contact members are trapped, the teeth 112 which are housed between the bridge 91 and the bead 85 coming to be located on either side of the part 4 so that they form a stop opposing the withdrawal of the said members by cooperating with the edge of the second element 30 adjacent to the legs 3.

Dans le mode de réalisation du boîtier décrit aux figures 29 à 40, on a supposé que ledit élément de boîtier était destiné à recevoir un organe de contact femelle tel que celui décrit aux figures 1 à 24, car les organes doivent obligatoirement être orientés d'une manière précise afin de pouvoir recevoir les organes mâles 82. On remarquera que l'organe de contact électrique femelle des figures 25 à 28, comme il est destiné à recevoir des organes mâles à section circulaire, n'a pas besoin d'être orienté et, pour cette raison, il ne comporte pas de bossage 45. Ainsi, l'organe des figures 25 à 28 peut, sans difficultés, équiper l'élément de boîtier 71 et, après mise en place, être verrouillé par les clés 102.In the embodiment of the housing described in FIGS. 29 to 40, it has been assumed that said housing element is intended to receive a female contact member such as that described in FIGS. 1 to 24, since the members must necessarily be oriented from in a precise manner in order to be able to receive the male members 82. It will be noted that the female electrical contact member of FIGS. 25 to 28, as it is intended to receive male members of circular section, does not need to be oriented and, for this reason, it has no boss 45. Thus, the member of FIGS. 25 to 28 can, without difficulty, equip the housing element 71 and, after installation, be locked by the keys 102.

On conçoit qu'on peut, sans modifications importantes des outillages, fabriquer aussi bien des organes de contacts électriques femelles destinés à recevoir des organes mâles méplats (figures 1 à 24) que des organes mâles cylindriques (figures 25 à 28).It is understood that it is possible, without significant modifications to the tools, to manufacture both female electrical contact members intended to receive flat male members (FIGS. 1 to 24) as well as cylindrical male members (FIGS. 25 to 28).

Bien entendu, l'invention n'est pas limitée aux modes de réalisation qui viennent d'être décrits et représentés. On pourra y apporter de nombreuses modifications de détail sans sortir pour cela du cadre de l'invention.Of course, the invention is not limited to the embodiments which have just been described and shown. Many detailed modifications can be made without departing from the scope of the invention.

Claims (12)

Organe femelle de contact électrique et élément de boîtier destiné à recevoir un tel organe, ledit organe étant du type comprenant un premier élément (1) réalisé à partir d'une bande métallique bonne conductrice de l'électricité et douée d'une certaine élasticité, ladite bande étant découpée et pliée pour présenter, à une extrémité, des pattes de sertissage (2, 3) prolongées par une partie profilée (4) elle-même prolongée par un corps (10) terminé par deux barrettes élastiques (7, 8) destinées à former une pince pour enserrer un organe mâle de contact électrique correspondant (82) et un élément complémentaire (30) fixé sur le corps (10) et réalisé à partir d'une bande métallique bonne conductrice de l'électricité et douée d'une certaine élasticité, ladite bande étant découpée et pliée pour recevoir le corps (10) du premier élément (1) et présenter, d'une part, deux barrettes élastiques (49, 50) destinées à porter contre les barrettes élastiques du premier élément et ainsi renforcer l'action élastique de celles-ci, et, d'autre part, un volet de retenue (46) dont l'extrémité libre est tournée du côté des pattes de sertissage (2, 3), tandis que l'élément de boîtier (71) est du type destiné à coopérer avec un élément de boîtier complémentaire pourvu des organes mâles de contact électrique , ledit élément de boîtier présentant des canaux (75) destinés à recevoir, chacun, un organe femelle de contact électrique, des moyens étant prévus pour verrouiller lesdits organes, ces moyens étant susceptibles d'occuper une première position d'attente dans laquelle les organes femelles de contact. électrique peuvent être mis en place et une seconde position de verrouillage dans laquelle ceux-ci sont bloqués, ledit organe femelle de contact électrique étant caractérisé en ce que le corps (10) dudit premier élément a une section circulaire, l'élément complémentaire (30) ayant une section circulaire correspondante, les barrettes élastiques (7 et 8) du premier élément (1) étant méplates.Female electrical contact member and case element intended to receive such a member, said member being of the type comprising a first element (1) produced from a metal strip which is good conductor of electricity and endowed with a certain elasticity, said strip being cut and folded to present, at one end, crimping lugs (2, 3) extended by a profiled part (4) itself extended by a body (10) terminated by two elastic bars (7, 8) intended to form a clamp for enclosing a corresponding male electrical contact member (82) and a complementary element (30) fixed on the body (10) and produced from a metallic strip which is good conductor of electricity and endowed with a certain elasticity, said strip being cut and folded to receive the body (10) of the first element (1) and to present, on the one hand, two elastic bars (49, 50) intended to bear against the bars elastic rettes of the first element and thus reinforce the elastic action of these, and, on the other hand, a retaining flap (46) whose free end is turned towards the side of the crimping lugs (2, 3), while the housing element (71) is of the type intended to cooperate with a complementary housing element provided with male electrical contact members, said housing element having channels (75) each intended to receive a female electrical contact, means being provided for locking said members, these means being capable of occupying a first waiting position in which the female contact members. electrical can be implemented and a second locking position in which these are locked, said female electrical contact member being characterized in that the body (10) of said first element has a circular section, the complementary element (30 ) having a corresponding circular section, the elastic bars (7 and 8) of the first element (1) being flat. Organe femelle de contact électrique, selon la revendication 1, caractérisé en ce que l'élément complémentaire (30) présente, d'une part, le long de chacun de deux bords opposés (31, 32) destinés à être jointifs après pliage, une patte (36, 38) destinée à être pliée vers l'intérieur pour s'insérer dans une fente (19) du corps (10) du premier élément (1) et s'ouvrant entre les deux barrettes élastiques, et, d'autre part, une patte (47) découpée en un point intermédiaire de sa surface et destinée à être pliée vers l'intérieur pour s'insérer dans une encoche (12) de la longueur dudit premier élément (1) et découpée dans l'un des bords (6) du corps (10) destiné à être jointif avec le bord opposé après pliage dudit corps (10).Female electrical contact member according to claim 1, characterized in that the complementary element (30) has, on the one hand, along each of two opposite edges (31, 32) intended to be joined after folding, a tab (36, 38) intended to be folded inwardly to be inserted into a slot (19) of the body (10) of the first element (1) and opening between the two elastic bars, and, on the other part, a tab (47) cut at an intermediate point on its surface and intended to be folded inward to fit into a notch (12) the length of said first element (1) and cut in one of the edges (6) of the body (10) intended to be joined with the opposite edge after folding of said body (10). Organe femelle de contact électrique, selon la revendication 1, caractérisé en ce que le corps (10) présente une partie méplate (10a) dans laquelle est découpé un ergot (15) coopérant avec la surface interne de l'élément complémentaire.Female electrical contact member, according to claim 1, characterized in that the body (10) has a flat part (10 a ) in which is cut a lug (15) cooperating with the internal surface of the complementary element. Organe femelle de contact électrique, selon la revendication 1, caractérisé en ce que les barrettes élastiques du premier élément sont terminées par des rebords (23, 24) traversant des encoches (39) de l'extrémité correspondante de l'élément complémentaire (30).Female electrical contact member, according to claim 1, characterized in that the elastic bars of the first element are terminated by flanges (23, 24) passing through notches (39) of the corresponding end of the complementary element (30) . Organe femelle de contact électrique, selon la revendication 1, caractérisé en ce que l'élément complémentaire (30), au voisinage de son extrémité libre, comporte, latéralement, au moins deux bossages (45) décalés angulairement.Female electrical contact member according to claim 1, characterized in that the complementary element (30), in the vicinity of its free end, comprises, laterally, at least two bosses (45) angularly offset. Organe femelle de contact électrique, selon la revendication 1, caractérisé en ce que l'élément complémentaire (30), sur deux bords opposés destinés à être jointifs après pliage, comporte une patte (35, 37) destinée à porter contre des saillies (17, 18) des bords correspondants des barrettes élastiques (7, 8) pour maintenir un certain écartement entre elles.Female electrical contact member according to claim 1, characterized in that the complementary element (30), on two opposite edges intended to be joined after folding, comprises a lug (35, 37) intended to bear against projections (17 , 18) of the corresponding edges of the elastic bars (7, 8) to maintain a certain distance between them. Elément de boîtier de connecteur électrique, selon la revendication 1 et/ou l'une quelconque des revendications 2 à 6, caractérisé en ce que les canaux (75) de l'élément de boîtier (71) débouchent sur une partie ouverte dans le fond de laquelle sont conformées des empreintes (79) correspondant à la forme des organes femelles de contacts électriques, la partie ouverte (89) étant délimitée par une paroi d'extrémité (80) destinée à limiter l'engagement des organes femelles de contacts électriques et percée de trous (81) pour permettre le passage des organes de contacts électriques mâles (82), ladite partie ouverte (89) étant délimitée par des parois latérales (90) présentant, sur leur surface interne, des rainures (93, 94, 95) pour le guidage d'ergots (105, 109) d'une clé (102) présentant, sur sa face destinée a être tournée en regard des empreintes (79), des empreintes complémentaires (103) correspondant à la forme des organes femelles de contacts électriques, des moyens étant prévus pour maintenir la clé (102) dans une position d'attente dans laquelle ses empreintes sont éloignées des empreintes (79) du fond de l'élément de boîtier pour permettre la mise en place desdits organes femelles de contacts électriques et pour, lorsque ceux-ci sont mis en place, déplacer la clé (102) vers une position de verrouillage dans laquelle les organes femelles de contacts électriques sont enserrés entre lesdites empreintes.Electrical connector housing element according to claim 1 and / or any one of claims 2 to 6, characterized in that the channels (75) of the housing element (71) open onto an open part in the bottom of which are formed indentations (79) corresponding to the shape of the female electrical contact members, the open part (89) being delimited by an end wall (80) intended to limit the engagement of the female electrical contact members and pierced with holes (81) to allow the passage of the male electrical contact members (82), said open part (89) being delimited by side walls (90) having, on their internal surface, grooves (93, 94, 95 ) for guiding pins (105, 109) of a key (102) having, on its face intended to be turned opposite the imprints (79), complementary imprints (103) corresponding to the shape of the female organs of high contacts metrics, means being provided for maintaining the key (102) in a waiting position in which its fingerprints are distant from the imprints (79) on the bottom of the housing element to allow the positioning of said female electrical contact members and for, when these are in place, move the key (102) to a locking position in which the female members of electrical contacts are sandwiched between said imprints. Elément de boîtier de connecteur électrique, selon les revendications 1 et 6, caractérisé en ce que les par ois latérales (90) sont reliées, en un point intermédiaire de leur longueur, par un pont (91) formant une butée pour le volet de retenue (46, 46a) de l'organe femelle de contact électrique.Electrical connector housing element according to claims 1 and 6, characterized in that the side panels (90) are connected, at an intermediate point of their length, by a bridge (91) forming a stop for the retaining flap (46, 46 a ) of the female electrical contact member. Elément de boîtier de connecteur électrique, selon les revendications 1 et 6, caractérisé en ce que chaque paroi latérale comporte, sur sa face interne, trois rainures (93, 94, 95), la rainure intermédiaire présentant une butée (98) avec des rampes inclinées de manière à pouvoir être franchie, tandis que les deux autres rainures (95, 93) comportent des crochets (99, 96) avec des abrupts (99a, 96a) tournés vers le fond, la clé (102) étant pourvue, sur deux bords opposés, d'ergots (105, 109) destinés à coopérer avec les abrupts des crochets et de butées (107) avec des rampes inclinées (107a, 107b), la position des crochets, des ergots et des butées étant telle que, lorsque les ergots portent contre les abrupts des crochets, les butées de la clé (102) portent contre une rampe (98a) des butées des rainures (94), la clé étant en position d'attente, tandis que lorsque les butées de la clé (102) ont franchi lesdites butées, la clé est en position de verrouillage.Electrical connector housing element, according to claims 1 and 6, characterized in that each side wall has, on its internal face, three grooves (93, 94, 95), the intermediate groove having a stop (98) with ramps inclined so as to be crossed, while the other two grooves (95, 93) comprise hooks (99, 96) with steep (99 a, 96 a) facing the bottom, the key (102) being provided on two opposite edges of lugs (105, 109) intended to cooperate with the steep hooks and stops (107) with inclined ramps (107 a, 107 b), the position of the hooks, pins and stops being such that, when the pins bear against the steep hooks, the stops of the key (102) bear against a ramp (98 a ) stops of the grooves (94), the key being in the position of waiting, while when the stops of the key (102) have passed said stops, the key is in the locked position. Elément de boîtier de connecteur électrique, selon les revendications 1 et 9 et destiné à recevoir un organe femelle de contact électrique, selon la revendication 5, caractérisé en ce que les canaux (75) comportent, du côté de leur entrée, deux amorces de pas-de-vis (76) débouchant sur des cannelures longitudinales.Element of electrical connector housing, according to claims 1 and 9 and intended to receive a female electrical contact member, according to claim 5, characterized in that the channels (75) comprise, on the side of their inlet, two pitch primers -of-screws (76) opening onto longitudinal grooves. Elément de boîtier de connecteur électrique, selon les revendications 1 et 6, caractérisé en ce que l'élément de boîtier est prolongé, du côté adjacent aux canaux (75), par une jupe (72) dans laquelle est inséré un joint d'étanchéité (73) percé de trous (74) alignés avec les canaux.Electrical connector housing element according to claims 1 and 6, characterized in that the housing element is extended, on the side adjacent to the channels (75), by a skirt (72) into which a seal is inserted (73) drilled with holes (74) aligned with the channels. Elément de boîtier de connecteur électrique, selon les revendications 1 et 6, caractérisé en ce que l'élément de boîtier comporte deux parties ouvertes (89) sur deux faces opposées et recevant, chacune, une clé (102).Electrical connector housing element according to claims 1 and 6, characterized in that the housing element comprises two open parts (89) on two opposite faces and each receiving a key (102).
EP94402783A 1993-12-15 1994-12-05 Female electrical contact element and electrical connector housing for receiving such an element Expired - Lifetime EP0658952B1 (en)

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FR9315091A FR2713833B1 (en) 1993-12-15 1993-12-15 Female electrical contact member and element of electrical connector housing intended to receive such a member.
FR9315091 1993-12-15

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EP0658952A1 true EP0658952A1 (en) 1995-06-21
EP0658952B1 EP0658952B1 (en) 1998-04-22

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EP (1) EP0658952B1 (en)
JP (1) JP3549270B2 (en)
DE (1) DE69409770T2 (en)
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FR (1) FR2713833B1 (en)

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FR2749710A1 (en) * 1996-06-11 1997-12-12 Cinch Connecteurs Sa Female electrical contact element for push fit connector boxes
FR2759500A1 (en) * 1997-02-10 1998-08-14 Cinch Connecteurs Sa Construction technique for male electrical contact unit
FR2759501A1 (en) * 1997-02-11 1998-08-14 Cinch Connecteurs Sa Construction technique for female electrical connector
FR2760571A1 (en) * 1997-03-06 1998-09-11 Cinch Connecteurs Sa Female Electrical Contact Construction for Electrical connectors
WO1999041807A1 (en) * 1998-02-16 1999-08-19 Framatome Connectors International Electrical connection terminal with a cage
FR2775132A1 (en) * 1998-02-16 1999-08-20 Framatome Connectors Int Female electrical connection terminal for receiving a square pin
FR2775130A1 (en) * 1998-02-16 1999-08-20 Framatome Connectors Int Female electrical connection terminal for receiving a square pin
FR2775131A1 (en) * 1998-02-16 1999-08-20 Framatome Connectors Int Female electrical connection terminal for receiving a square pin
EP1763110A1 (en) * 2005-09-08 2007-03-14 Robert Bosch Gmbh Socket with encapsulating spring with an opening in the guiding blades
EP2139076A1 (en) * 2008-06-24 2009-12-30 Robert Bosch Gmbh Electric connector device
WO2011077190A1 (en) * 2009-12-23 2011-06-30 Fci Automotive Holding Power contact

Also Published As

Publication number Publication date
ES2115180T3 (en) 1998-06-16
JPH07220790A (en) 1995-08-18
JP3549270B2 (en) 2004-08-04
DE69409770T2 (en) 1998-08-13
FR2713833B1 (en) 1996-02-09
EP0658952B1 (en) 1998-04-22
DE69409770D1 (en) 1998-05-28
FR2713833A1 (en) 1995-06-16
US5591051A (en) 1997-01-07

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