EP1542321B1 - Elektrische Vorrichtung mit zwei zu verbindenen Kupplungsteilen mit Verschlüsselungseinrichtung - Google Patents

Elektrische Vorrichtung mit zwei zu verbindenen Kupplungsteilen mit Verschlüsselungseinrichtung Download PDF

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Publication number
EP1542321B1
EP1542321B1 EP04292914A EP04292914A EP1542321B1 EP 1542321 B1 EP1542321 B1 EP 1542321B1 EP 04292914 A EP04292914 A EP 04292914A EP 04292914 A EP04292914 A EP 04292914A EP 1542321 B1 EP1542321 B1 EP 1542321B1
Authority
EP
European Patent Office
Prior art keywords
base
key coding
cartridge
recess
hub
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.)
Not-in-force
Application number
EP04292914A
Other languages
English (en)
French (fr)
Other versions
EP1542321A1 (de
Inventor
Fernando Araujo
Martial Rouffanche
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.)
Legrand SNC
Legrand France SA
Original Assignee
Legrand SNC
Legrand France SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Legrand SNC, Legrand France SA filed Critical Legrand SNC
Priority to PL04292914T priority Critical patent/PL1542321T3/pl
Publication of EP1542321A1 publication Critical patent/EP1542321A1/de
Application granted granted Critical
Publication of EP1542321B1 publication Critical patent/EP1542321B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H01R13/64—Means for preventing incorrect coupling
    • H01R13/645—Means for preventing incorrect coupling by exchangeable elements on case or base
    • H01R13/6453—Means for preventing incorrect coupling by exchangeable elements on case or base comprising pin-shaped elements, capable of being orientated in different angular positions around their own longitudinal axes, e.g. pins with hexagonal base

Definitions

  • the invention generally relates to electrical appliances having two portions nestable with each other and polarizing means of a portion relative to each other.
  • Surge arresters limit transient overvoltages and discharge lightning currents in order to protect one or more electrical devices from a surge caused by lightning.
  • the modular surge arresters comprise a base attached to the electrical panel and provided with connection terminals for the conductors concerned and a cartridge containing the protection circuit, which is destroyed when it performs its protective function so that the cartridge must then to be replaced.
  • the keying is effected by two elements cooperating by complementarity of form, a first element having a triangular recess and a second element having a triangular prismatic projection.
  • the cartridge can not fit on a base for which the angular orientation of the recess corresponds to the angular orientation of the projection.
  • the object of the invention is to simplify the production of this type of electrical appliance.
  • the invention proposes an electrical apparatus comprising a first portion and a second portion, the first portion and the second portion being nestable with each other, the first portion comprising a first foolproofing element to prevent the first portion from nesting with a portion similar to the second portion but belonging to another electrical appliance, the second portion comprising a second foolproofing element paired with the first foolproofing element to prevent nesting the second portion with a portion similar to the first portion but belonging to another electrical apparatus, the first portion having a housing of the first keying element, said first element being received in said housing in a selected predetermined position, so that the first keying element and the second keying element are matched, among a plurality of possible positions each corresponding to a distinct angular orientation of the first element relative to the first portion, the first element having V-shaped depressions on a peripheral surface, each adapted to cooperate with a full V of a peripheral surface of the housing, the first element further comprising a first keying member adapted to cooperate with a second keying member of the second element by
  • the angular orientation of the foolproofing means of the first portion can be modified, while these are already in position and assembled with the first portion, so as to match them with those of the second portion.
  • the invention allows to produce first undifferentiated portions, for example bases, and to give them their indexing only later as a function of the second portion, for example a cartridge, that they will receive interlocking.
  • the production is simplified and it is not useful to provide stocks of different first portions.
  • the electrical device shown on the figure 1 is a surge arrester comprising a base 1 and a cartridge 2.
  • the base 1 comprises two main walls 3 each U connected to each other by side walls. It comprises a housing formed by two molded plastic shells 4 and 5 joined to each other along the plane of symmetry parallel to the main walls 3.
  • Each main wall 3 comprises a first rectangular section 6 having two ends from which extend transversely to the first section 6 two rectangular sections 7, 8.
  • Each U-shaped wall 3 has an inner edge 9 also in the general shape of U. Along the edge of the first section 6, the edge 9 has a recess 10 towards the outside of the first section 6. The height of offset is very less than the distance between two opposite edges of the first section 6.
  • Each end portion of the edge 9 has a recess 11 inwardly of the wall 3.
  • the two recesses 11 are not located at the same distance from the rest of the edge 9.
  • Each wall 3 further has an outer edge 12 in the shape of a U and two returns 13.
  • Each return 13 connects one end of the edge 9 to one end of the edge 12 and is at one end of a section 7, 8.
  • Each wall 14 is rectangular and comprises at its center a circular through hole 15.
  • a U-shaped side wall 16 extends between the two edges 12.
  • the wall 16 comprises a bottom and two wings 17.
  • the bottom comprises conventional fixing means 18 of the base 1 on a DIN rail (not shown) of the electrical panel.
  • Each wing 17 is provided towards the bottom of a substantially rectangular opening 19 and towards the wall 14 of a slot 20 which is also rectangular, the slot 20 extending in a principal direction parallel to the plane of the wall 14.
  • a second U-shaped side wall 21 extends between the main walls 3. It comprises a bottom 22 and two flanges 23.
  • the section of the wall 21 generally follows the outline of the edge 9.
  • Each flange 23 extends transversely to the wall 14 along the recess 11 to the bottom 22.
  • the bottom 22 is transverse to the flanges 23 and extends under the edge 9 and the recess 10 so that each wall 3 protrudes generally in the interior of the U formed by the wall 21.
  • the bottom 22 has a circular hole 25 located slightly away from the center of the bottom 22.
  • the bottom 22 has a generally square slightly elevated zone extending over the entire width of the bottom 22.
  • the hole 25 is located in the center of this raised area.
  • Each slot 24 extends over almost the entire width of the bottom 22.
  • each opening 19 is a cage terminal 26 controlled by a screw whose head is at the slot 20, each screw head being accessible, for its control, through the hole 15.
  • Each of the two cells opening through a slot 24 is electrically connected to a respective terminal 26.
  • the base 1 comprises a housing for a keying element 27 described below.
  • the housing is located under the raised area of the bottom 22 and has a height substantially equal to the thickness of the bottom wall 22.
  • the bottom of the housing (not shown) is open and has two cross members to support the element 27 when in position in the housing.
  • a side wall having a star-shaped hollow with eight branches.
  • the branches of the star are identical. They are each shaped like the corner of a square. Two successive branches are separated by a full V and the housing has spikes 28 at each junction between two branches.
  • the element 27 is made of molded plastic. It is shaped like a pinion. Its thickness corresponds to that of the housing.
  • the element 27 comprises a hub 29, eight arms 30 and eight arches 31.
  • the hub 29 is generally circular. It has in its center a recess 32 with triangular section.
  • Each arch 31 extends between two successive arms, each arm 30 extending between the hub 29 and the junction between two consecutive arches.
  • the arches 31 rise to a height less than the height of the arms 30.
  • the arches 31 have a constant thickness from one end to the other.
  • Each assembly formed of an arch 31 and two successive arms 30 between which this arch extends defines with the periphery of the hub 29 an opening 33.
  • the element 27 is placed in the housing, each point 28 of the housing being in contact with one of the edges 34 located on the periphery of the element 27, at the junction between two successive arches.
  • each edge 34 corresponds to the tip of a hollow V in which is received a full V also housing.
  • Each arch 31 is placed in a star branch of the housing.
  • the recess 32 is the image of itself by 120 ° rotation and the remainder of the element 27 is the image of itself by rotation of 45 °, the eight possible positions of the element 27 in the housing correspond to eight distinct angular orientations for the recess 32.
  • the element 27 being placed in the housing, the two shells 4, 5 are assembled releasably, for example by ultrasonic welding.
  • the hole 25 then leaves the coding element 27 only the hub 29 and the recess 32.
  • Cartridge 2 is now described, in particular with reference to the figure 3 .
  • the cartridge 2 is generally parallelepipedic. It comprises two main walls 40 between which extend four side walls of the same width as that of the bottom 22 of the base 2.
  • the main walls 40 are generally square and identical. The width of the side of the square corresponds to the length of the bottom 22. Each wall 40 has four sides 41, 42, 43, 44.
  • the part 45 of the cartridge 2 that we see below on the figure 3 is intended to be included in the volume of the base 1 provided for this purpose while the remaining portion 46 of the cartridge 2 is intended to project above the base 1.
  • the portion 45 has the side 41 and a portion 42a, 44a of the two adjacent sides.
  • the portion 46 has the side 43 opposite the side 41 and a portion 42b, 44b of the two adjacent sides.
  • each main wall 40 along its sides 41, 42a, 44a, has a recess 47 of wall corresponding to the thickness of the wall 3.
  • the outline of this recess 47 corresponds to the outline of the edge 9 and in particular the recesses 10, 11.
  • each outer face of the wall 40 is located in the same plane as the outer face of a wall 3.
  • the side 43 is slightly smaller than the side 41. And the sides 42b, 44b are placed parallel but recessed with respect to the sides 42a, 44a.
  • One of the walls 40 has notches along the edges 42b, 44b. These notches correspond to grooves made in the side walls.
  • the wall 50 comprises an oblong hole 51 and a plate 52 transparent on one of its ends.
  • the oblong hole 51 opens on a portion of a tongue (not visible in the drawings) movable between several positions.
  • the position of the tab depends on the condition of the cartridge. In normal operation, the hole opens on a green portion.
  • the plate 52 is provided with means forming a slideway to be cleared and to open access to a registration area.
  • the side wall portions joining the edges 42b and the edges 44b have grooves 53 extending from a wall 40 but not to the opposite wall 40.
  • the side wall portion joining the end portions of the edges 44a of the two walls 40 carries two ribs 54 of triangular base extending over the entire width of the side wall.
  • the ribs 54 form latching means of the cartridge 2 on the base 1 by means of complementary latching means on the base 1 (not shown).
  • the cartridge 2 has a fourth lateral wall opposite the side wall 50.
  • the outer face of the fourth wall is intended to come into contact with the bottom face 22 of the base 1.
  • the fourth wall has an opening 57 located slightly away from its center.
  • the opening 57 is of oblong shape, with two parallel sides (visible on the Figures 3 and 5 ) and two sides in an arc (not visible in the drawings).
  • the fourth wall comprises a generally square zone slightly offset towards the inside of the cartridge 2 extending over the entire width of the fourth wall.
  • the opening 57 is in the center of this area.
  • a pin 56 which corresponds to a hole (not shown) in the bottom 22.
  • the pin 56 and the hole form security means for not using a cartridge 2 out of operation.
  • the casing of the cartridge 2 is made of molded plastic. It is formed by a flat shell corresponding essentially to the wall 40 visible in the drawings and by a shell corresponding to the other wall 40 and the side walls.
  • the inside of the cartridge 2 will not be described in detail. It will simply be noted that this latter comprises a component whose purpose is to rapidly limit the high voltages appearing at its terminals. It can be a spark gap, a varistor or a clipping diode. The terminals of the component are each connected to a respective pin 58.
  • the cartridge 2 also comprises a compartment for the tongue described above and for a detection member of the end of the normal operation of the component.
  • the cartridge 2 comprises a housing for a keying element 60 described below.
  • the housing is located at the square zone offset with the opening 57.
  • This housing comprises, inside the cartridge 2, a space 75 for receiving a base 61 of the coding element 60 of the cartridge 2.
  • the space 75 is delimited laterally by a generally U-shaped surface 76 having two parallel portions joined by a half-star portion identical to one half of the star already described for the base 1.
  • the half-star comprises three complete branches and two half-branches each located at a respective junction with one of the parallel portions, so that the half-star has four points.
  • the parallel portions of the surface 76 are parallel to the parallel sides of the opening 57 while the half-star portion is generally centered on a line parallel to the arcuate portion of the opening 57.
  • the space 75 is delimited by a flat surface transverse to the surface 76.
  • the element 60 comprises a base 61, which is a star with eight branches of the same shape as that already described for the base 1.
  • the thickness of the base 61 is equivalent to that of the surface 76
  • Each junction between two consecutive branches presents, on the peripheral surface, an edge 62.
  • From the base 61 projects a trunnion forming a spacer between the base 61 and a circular plate 63, the trunnion having a diameter corresponding to that of the arcuate part of the opening 57, this diameter being smaller than that of the plate 63, which has a diameter substantially corresponding to that of the circle which passes through the edges 62.
  • the plate 63 protrudes a keying member 64.
  • the member 64 is a stud having the shape of a solid triangular prism centered on the plate 63.
  • the height of the member 64 is much greater than the total height of the base 61, journal and plate 63.
  • the free end of the member 64 is triangular.
  • the three edges have sloped angles.
  • the end further comprises a rib 65 joining one of the vertices of the triangle and the middle of the opposite edge.
  • the element 60 is placed in the housing 75, the four points of the housing being in contact with four of the eight edges 62 of the element 60, the pin being disposed in the opening 57.
  • the element 60 can take eight different angular orientations.
  • the element 60 is held in a position determined by the shell having the wall 40 visible in the drawings.
  • This shell comprises a transverse tab (not shown) projecting along its edge 41 and forming one of the arcuate sides of the opening 57.
  • the element 60 is first put in place with the required angular orientation in the shell providing the side walls of the cartridge 2, this setting up being possible because the part of the opening 57 belonging to the this shell is opened at the place occupied next by the paw of the other shell.
  • the cartridge 2 is assembled releasably, for example by ultrasonic welding of two shells.
  • the element 60 is then rigidly secured to the rest of this assembled cartridge 2.
  • the indexing tool 70 is now described, allowing, if necessary, changing the angular orientation of the element 27 relative to the rest of the base 1.
  • the tool 70 is a bent key whose end is a triangular prism 71.
  • the dimensions of the prism 71 are the same as those of the organ 64 described above.
  • the tool 70 is adapted to pass through the triangular opening of the foolproofing element 27.
  • the angular orientation of the element 60 which is final after assembly of the cartridge 2, has been selected according to the capacity of the cartridge 2.
  • the angular orientation of the element 27 is however modifiable after assembly.
  • the orientation of the element 27 must be in agreement with the only appropriate angular orientation for the element 60.
  • the tool 70 is thus used.
  • the end 71 of the tool is penetrated into the triangular recess of the element 27.
  • the arches 31 deform by flexing each elastically. in a hole 33, the element 27 rotating under the effect of the rotation of the key until each point 28 is in contact with the edge 34 consecutive to the initial edge. Element 27 then rotated one-eighth of a turn.
  • the cartridge 2 can be fitted on the base 1: the member 64 enters the recess 32, the pins 58 fit into the cells 80 and the means 56 engage in the corresponding hole of the base 1.
  • the coding element 27 is advantageously chosen for the position corresponding to the most common cartridge, so that it is not necessary to modify the angular orientation of the element 27 that if the base 1 must be matched with another cartridge.
  • the outer shape of the base 1 and the cartridge 2, their relative dimensions and their geometry are different; the polarizing elements 27, 60 have other shapes and / or dimensions, in particular, other star shapes, recess, or an absence of rib on the member 63; and / or the prism is provided on the element 27 and the opening on the element 60, or other complementary shapes are provided.
  • the keying element 60 and the cartridge 2 are monobloc; and / or the coding element whose angular orientation can be modified is the element of the cartridge 2 rather than that of the base 1, or the angular orientation of the foolproofing element of each of them can to be modified.
  • the electrical device with flanged cartridge and cartridge is a device other than a surge arrester; and / or the two nestable portions of the apparatus are other than a base and a cartridge.

Landscapes

  • Casings For Electric Apparatus (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Lock And Its Accessories (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Measuring Fluid Pressure (AREA)
  • Apparatus For Radiation Diagnosis (AREA)

Claims (13)

  1. Elektrisches Installationsgerät mit einem ersten Teil (1) und einem zweiten Teil (2), wobei das erste Teil (1) und das zweite Teil (2) ineinander steckbar sind, wobei das erste Teil (1) ein erstes Unverwechselbarkeitselement (27) aufweist, um ein Zusammenstecken des ersten Teils (1) mit einem dem zweiten Teil (2) ähnlichen, aber einem anderen elektrischen Installationsgerät zugehörigen Teil zu verhindern, wobei der zweite Teil (2) ein zweites, mit dem ersten Unverwechselbarkeitselement (27) zusammenpassendes Unverwechselbarkeitselement (60) umfasst, um das Zusammenstecken des zweiten Teils (2) mit einem dem ersten Teil (1) ähnlichen, aber einem anderen elektrischen Installationsgerät zugehörigen Teil zu verhindern, wobei das erste Teil (1) eine Aufnahme des ersten Unverwechselbarkeitselements (27) umfasst, wobei das erste Element (27) in der Aufnahme in einer ausgewählten vorbestimmten Stellung aufgenommen wird, damit das erste Unverwechselbarkeitselement (27) und das zweite Unverwechselbarkeitselement (60) unter einer Vielzahl möglicher Stellungen zusammenpassen, die jede einer anderen Winkelausrichtung des ersten Elements (27) bezüglich des ersten Teils (1) entspricht,
    wobei das erste Element (27) auf einer Umfangsfläche V-förmige Vertiefungen aufweist, die jede mit einer V-förmigen Vollfläche einer Umfangsfläche der Aufnahme zusammenzuwirken vermag,
    wobei das erste Element (27) ferner ein erstes Unverwechselbarkeitsorgan (32) umfasst, das mit einem zweiten Unverwechselbarkeitsorgan (64) des zweiten Elements (60) formschlüssig zusammenzuwirken vermag,
    dadurch gekennzeichnet, dass das erste Element (27) eine Nabe (29), Arme (30) und Bögen (31) umfasst, wobei die Nabe (29) das Unverwechselbarkeitsorgan (32) aufweist, wobei jeder Bogen (31) nach außen konvex ist und mit der Nabe (29) durch zwei Arme (30) verbunden ist, wobei die Spitze einer jeden V-förmigen Vertiefung an der Verbindung mit den Außenflächen der beiden angrenzenden Bögen (31) liegt, wobei jeder Bogen (31) verformbar ist und in Richtung der Nabe (29) in einem zwischen der Nabe (29) und den ihn mit der Nabe (29) verbindenden beiden Armen (30) vorhandenen Zwischenraum (33) elastisch biegbar ist, wodurch die vorbestimmte Stellung des ersten Unverwechselbarkeitselements (27) in montiertem Zustand des ersten Teils (1) auswählbar ist.
  2. Installationsgerät nach Anspruch 1,
    dadurch gekennzeichnet, dass eines der ersten oder zweiten Organe eine Aussparung (32) ist und das andere der ersten oder zweiten Organe ein zur Aussparung (32) komplementär geformter Zapfen (64) ist.
  3. Installationsgerät nach einem der Ansprüche 1 oder 2,
    dadurch gekennzeichnet, dass das erste Unverwechselbarkeitsorgan eine Aussparung (32) und das zweite Unverwechselbarkeitsorgan ein zur Aussparung (32) komplementär geformter Zapfen (64) ist.
  4. Installationsgerät nach einem der Ansprüche 2 oder 3,
    dadurch gekennzeichnet, dass der Zapfen (64) ein Prima mit dreieckiger Basis ist.
  5. Installationsgerät nach einem der Ansprüche 1 bis 4,
    dadurch gekennzeichnet, dass das zweite Teil (2) und das zweite Element (60) starr aneinander befestigt sind.
  6. Installationsgerät nach Anspruch 5,
    dadurch gekennzeichnet, dass das zweite Teil (2) eine Aufnahme für das zweite Element (60) umfasst.
  7. Installationsgerät nach Anspruch 6,
    dadurch gekennzeichnet, dass das zweite Element (60) eine sternförmige Basis aufweist, mit einer Vielzahl identischer Stränge, wobei das zweite Element (60) in der Aufnahme in einer ausgewählten vorbestimmten Stellung aufgenommen wird, damit das erste Unverwechselbarkeitselement (27) und das zweite Unverwechselbarkeitselement (60) unter einer Vielzahl möglicher Stellungen zusammenpassen, die jede einer anderen Winkelausrichtung des zweiten Elements (60) bezüglich des zweiten Teils (2) entspricht.
  8. Installationsgerät nach einem der Ansprüche 1 bis 7,
    dadurch gekennzeichnet, dass das eine des ersten (1) oder zweiten Teils (2) ein Sockel ist, und das andere des ersten (1) und zweiten Teils (2) ein auf den Sockel aufsteckbarer Einsatz ist.
  9. Installationsgerät nach Anspruch 8,
    dadurch gekennzeichnet, dass das erste Teil (1) ein Sockel und das zweite Teil (2) eine auf den Sockel aufsteckbarer Einsatz ist.
  10. Installationsgerät nach einem der Ansprüche 8 oder 9,
    dadurch gekennzeichnet, dass der Sockel (1) eine erste Seite (22) in Kontakt mit einer zweiten Seite des Einsatzes (2) aufweist, wenn der Einsatz (2) auf dem Sockel (1) aufgesteckt ist, wobei die zweite Seite quer vorstehende Stifte (58) umfasst, die in Buchsen der ersten Seite (22) einfügbar sind.
  11. Installationsgerät nach einem der Ansprüche 8 bis 10,
    dadurch gekennzeichnet, dass der Sockel (1) Mittel (18) zur Befestigung auf einer Schiene umfasst.
  12. Installationsgerät nach einem der Ansprüche 1 bis 11,
    dadurch gekennzeichnet, dass das erste Unverwechselbarkeitselement (27) aus Kunststoff ist.
  13. Installationsgerät nach einem der Ansprüche 1 bis 12,
    dadurch gekennzeichnet, dass das zweite Unverwechselbarkeitselement (60) aus Kunststoff ist.
EP04292914A 2003-12-10 2004-12-08 Elektrische Vorrichtung mit zwei zu verbindenen Kupplungsteilen mit Verschlüsselungseinrichtung Not-in-force EP1542321B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL04292914T PL1542321T3 (pl) 2003-12-10 2004-12-08 Urządzenie elektryczne z dwiema częściami, które mogą być połączone ze sobą zawierające środki identyfikujące

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0314497 2003-12-10
FR0314497A FR2863818B1 (fr) 2003-12-10 2003-12-10 Appareil electrique en deux portions emboitables comportant des moyens de detrompage

Publications (2)

Publication Number Publication Date
EP1542321A1 EP1542321A1 (de) 2005-06-15
EP1542321B1 true EP1542321B1 (de) 2011-12-07

Family

ID=34508634

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04292914A Not-in-force EP1542321B1 (de) 2003-12-10 2004-12-08 Elektrische Vorrichtung mit zwei zu verbindenen Kupplungsteilen mit Verschlüsselungseinrichtung

Country Status (4)

Country Link
EP (1) EP1542321B1 (de)
AT (1) ATE536649T1 (de)
FR (1) FR2863818B1 (de)
PL (1) PL1542321T3 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020209188A1 (de) 2020-07-22 2022-01-27 Yamaichi Electronics Deutschland Gmbh Steckverbinder, insbesondere einen Mini-Koax-Automotive-Steckverbinder, zum Verbinden mit einer kompatiblen Steckervorrichtung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1066672A (en) * 1964-04-16 1967-04-26 Northrop Corp A match-determining key device for mating electrical components
US4159862A (en) * 1977-12-12 1979-07-03 Fabri-Tek Incorporated Removable female polarizing guide for electrical connectors
US6302745B1 (en) * 1999-04-14 2001-10-16 The Whitaker Corporation Keying system for electrical connectors

Also Published As

Publication number Publication date
FR2863818B1 (fr) 2006-03-03
ATE536649T1 (de) 2011-12-15
FR2863818A1 (fr) 2005-06-17
PL1542321T3 (pl) 2012-04-30
EP1542321A1 (de) 2005-06-15

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