EP0196367B1 - Ressort en forme de boîtier - Google Patents

Ressort en forme de boîtier Download PDF

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Publication number
EP0196367B1
EP0196367B1 EP85115392A EP85115392A EP0196367B1 EP 0196367 B1 EP0196367 B1 EP 0196367B1 EP 85115392 A EP85115392 A EP 85115392A EP 85115392 A EP85115392 A EP 85115392A EP 0196367 B1 EP0196367 B1 EP 0196367B1
Authority
EP
European Patent Office
Prior art keywords
spring
cut
floor
plug according
flat fork
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP85115392A
Other languages
German (de)
English (en)
Other versions
EP0196367A1 (fr
Inventor
Jörg Deibel
Alfred Dipl.-Ing. Könnemann
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.)
Grote and Hartmann GmbH and Co KG
Original Assignee
Grote and Hartmann GmbH and Co KG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=37857093&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0196367(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Grote and Hartmann GmbH and Co KG filed Critical Grote and Hartmann GmbH and Co KG
Publication of EP0196367A1 publication Critical patent/EP0196367A1/fr
Application granted granted Critical
Publication of EP0196367B1 publication Critical patent/EP0196367B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01R13/02—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
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/112—Resilient sockets forked sockets having two legs

Definitions

  • the invention relates to a box spring according to the preamble of claim 1 with z.
  • B. a square contact pin with 0.6 mm cross-sectional edge length for electronic components and is based on DE-A-30 14 614.
  • a known box spring of this type has a contact area consisting of a box which is open at the top and U-shaped in cross section and on which a cover wall is supported as a separate part.
  • the wall is bent inwards, with the deepest point in the middle and serving as a contact point.
  • the wall should also ensure the spring forces required for the contact pin.
  • This known embodiment of a box spring has no sufficient spring action and it is difficult to manufacture.
  • a box spring according to de first part of claim 1 is described in DE-A-30 14 614 and shown in the drawing.
  • the spring arms of the box spring can be bent over, whereby the suspension is impaired.
  • the object of the invention is to provide a box spring, the contact point of which lies in the region of the plug opening, which ensures optimum suspension of the spring arms and a precise spacing of the spring arms before the contact pin is inserted, and which is easy to produce.
  • the invention provides to combine a flat fork spring with an over-spring.
  • the flat fork spring is designed as a double-arm flat fork spring.
  • the spring is box-shaped and has four spring arms that extend forward.
  • a detent spring arm that extends opposite to the spring arms is cut out from the box shape of the spring.
  • the over-spring rests on the double flat spring, in that cut-in flaps are bent inward in its rear edge area and engage behind the edges of the spring arm base of the double flat spring and, in addition, bent webs in the area of the connection of the spring arms abut against the front edge of the spring arm base of the double flat spring.
  • This known contact element in miniaturized form is not readily usable for the purposes of the invention because it is too bulky and there are no means for a defined mutual spacing of the spring arms in the contact area.
  • the new miniature box spring consists of the flat fork spring 1 and the spring 2.
  • the flat fork spring 1 has a conductor connection part 3, which is only shown schematically and can be a conductor claw or a soldering element or a clamping cutting element or the like.
  • the conductor connection part 3 merges into a spring arm base 4 with a U-shaped cross section, which has a base 5 and two side walls 6.
  • a spring arm 7 is connected to each side wall and extends forward.
  • the spring arms 7 are bent starting to converge from the side walls 6 and touch in a contact line B.
  • the spring arms 7 diverge again from the contact line 8 and form a finding funnel 9.
  • the contact is provided for the preassembly state of the flat fork spring. The purpose of this pre-assembly position is explained below.
  • the expanded position of the spring arms 7 shown in dashed lines in FIG. 1 represents the position of the spring arms in the assembled state of the box spring.
  • the spring arms 7 are made wider than the height of the walls 6, a step 10 being provided in the transition area.
  • a short tab 11 extends from the bottom 5 to the front.
  • a tongue 12 which extends forward is cut into the base 5 in the direction of the conductor connection part 3 at a distance from the step 10 and is bent outwards.
  • the over-spring 2 is preferably made of steel and is essentially box-shaped with a bottom 13, a top wall 14 and two side walls 15.
  • the top wall 14 has the production-related abutting edges 16.
  • the side walls 15 and the base 13 are extended to the rear and form a bearing element 17 with a cross-section which is U-shaped with the side wall webs 17a and the base web 17b with the rear edge 17c.
  • the side wall webs 17a have a short incision 18 directed towards the floor web 17b in the connection area.
  • a detent spring arm 21 connected in the region of the plug opening 20 is cut free and bent outwards. Furthermore are located in the longitudinal Edge area of the box shape of the over-spring 2 cutouts 22 and 23, the cutouts 22 in the area between the top wall 14 and the side walls 15 being shorter than the cutouts 23 in the area between the bottom 13 and the side walls 15. All four cutouts 22 and 23 extend from the rear edge 24 of a resulting front box web 25 backwards.
  • the free cuts 22 end at a distance from the incision 18, while the free cuts 23 extend to the level of the incision 18 or the bottom web 17b.
  • the corresponding cutout 23 on the right-hand side in plan view (FIG. 3) with an L-shaped cutout 23a preferably forms the cutout for the detent spring arm 21 arranged in the base 13.
  • the spring arms 26 are formed, which are bent towards one another to a defined distance. This distance corresponds approximately to the outer distance of the funnel 9 of the flat fork spring 1 in the pre-assembly state.
  • the rear edge 24 is lengthened by embossing and forms a stop web 28 for the spring-over arms 26, which serves as a protection against overbend.
  • the top wall 14 has in the area of the box web 25 on both sides next to the abutting edges incisions 29 running parallel to it.
  • the webs 30 resulting from these incisions 29 are bent inwards.
  • the distance between the cut edges of the webs 30 is equal to the desired distance between the spring arms 7 of the flat fork spring 1 in the contact line 8 in the assembled state of the box spring.
  • such incisions are present in the floor exactly under the incisions 29, from which a web 31 results.
  • the web 31 is also bent inwards.
  • the distance between the cut edges of the web 31 also corresponds to the desired distance between the spring arms 7 in the assembled state of the box spring according to the invention.
  • the spring arms 26 press on the fork spring arms 7, which are supported laterally with the lateral end regions of their contact line 8 on the cutting edges of the webs 30 and 31, which results in a defined distance of the contact line 8 of the fork spring arms 7 and a defined spring force.
  • the fork spring arms 7 can be supported with their finding funnel area on the outside on the plug opening side edge 32 of the box web 25, so that an overbend of the fork spring arms 7 can be avoided.
  • the over-spring 2 is firmly supported on the flat fork spring 1 by the side wall webs 17a of the bearing element 17 being bent towards the axis 19, so that the cutting edge of the side wall webs 17a resulting from the incision 18 engages behind the step 10 of the side walls 6 of the spring arm base 4 of the flat fork spring 1, and by the front edge 12a of the tongue 12 of the spring arm base 4 of the flat fork spring 1 abutting the rear edge 17c of the bottom web 17b of the bearing element 17 of the spring 1.
  • the assembly of the spring is easy because the fork spring arms 7 and the spring arms 26 do not interfere with each other.
  • the spring 2 is pushed over the fork spring, from the front over the finding funnel 9.
  • the finding funnel 9 fits approximately through the gap between the spring arms 26.
  • the length of the spring arms 26 is dimensioned such that they are in the constriction area of the contact point during assembly of the finding funnel are when the webs 30, 31 begin to expand the funnel, the spring arms 26 being arranged at a distance from the fork spring arms.
  • the fork spring arms only press against the spring arms when the widening is complete and the rear edge 17c of the spring spring 2 has hit the front edge 12a of the tongue 12 of the fork spring 1. In this way, bending of the spring arms 26 is avoided during assembly and their spring force is not impaired.
  • the spring force of the fork spring arms 7 can also be ensured in an optimal and defined manner, because the fork spring arms 7 are brought from a more or less relaxed position into a slightly tensioned, defined position during assembly.
  • the tab 11 in the base 5 of the flat fork spring 1 serves for the detent spring arm 21 of the over-spring 2 as an abutment against bending.

Landscapes

  • Springs (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Fuses (AREA)

Claims (15)

1. Ressort à boîtier miniature, possédant un élément de connexion du fil conducteur (3) et un élément de contact ayant la forme d'un ressort fourché plat (1), le ressort fourché plat (1) possédant une base (4) en forme de "U" avec un fond (5) et deux parois latérales (6), un bras élastique (7) étant attaché à chaque paroi latérale (6), de manière à s'étendre vers l'avant, lesdits bras élastiques (7) étant infléchis les uns vers les autres, en commençant par les parois latérales (6) et jusqu'à une ligne de contact (8) et divergeant de nouveau à partir de la ligne de contact (8) pour former un cône de guidage (9),
caractérisé par le fait qu'un couvre-ressort (2), ayant la forme d'un boîtier est maintenu sans jeu sur le ressort fourché plat (1), les bras (7) du ressort fourché plat (1) ayant une largeur supérieure à la hauteur des parois latérales (6), des retraits (10) étant formés dans les régions de transition, et que le couvre-ressort (2) présente des nervures (17a) de la paroi latérale, formées par des découpes (18), qui sont repliées vers l'intérieur en direction de l'axe longitudinal (19) et passent respectivement derrière un des retraits (10) du ressort fourché plat (1), et que le ressort fourché plat (1) présente dans le fond (5) une languette (12) disposée à une certaine distance par rapport au retrait (10) qui la rapproche de l'élément de connexion du conducteur (3), languette obtenue par découpe, qui s'étend vers l'avant, qui est infléchie vers l'extérieur et dont le bord d'attaque (12a) entre en contact avec un bord arrière (17c) du couvre-ressort (2).
2. Ressort à boîtier selon la revendication 1, caractérisé en ce que le couvre-ressort (2) possède un fond (13), une paroi supérieure (14) munie de rebords (16) et deux parois latérales (15).
3. Ressort à boîtier selon la revendication 2, caractérisé en ce que les parois latérales (15) et le fond (13) sont prolongés vers l'arrière et forment un élément coussinet (17) qui, en coupe, a la forme d'un "U", avec des traverses (17a) des parois latérales et la traverse du fond (17b) possédant le bord arrière (17c), les traverses latérales (17a) présentant, dans la région de leur attache, les incisions (18).
4. Ressort à boîtier selon les revendications 1 à 3, caractérisé en ce qu'une patte (11) de faible longueur s'étend depuis le fond (5) vers l'avant.
5. Ressort à boîtier selon les revendications 2 à 4, caractérisé par le fait que dans le fond (13), à droite de l'axe longitudinal (19) du ressort à boîtier, vu de dessus, un bras élastique à cran d'arrêt (21) attaché dans la région de l'ouverture d'enfichage (20) est découpé et infléchi vers l'extérieur.
6. Ressort à boîtier selon les revendications 2 à 5, caractérisé en ce que, dans la région des bords longitudinaux du couvre-ressort ayant la forme d'un boîtier, des découpes (22 et 23) sont placées, les découpes (22) dans la région entre la paroi supérieure (14) et les parois latérales (15) étant plus courtes que les découpes (23) dans la région entre le fond (13) et les parois latérales (15) et que les quatre découpes (22 et 23) s'étendant vers l'arrière à partir du bord arrière (24) d'une traverse antérieure (25) du boîtier qui en résulte, les découpes (22) se terminant à une certaine distance des incisions (18), tandis que les découpes (23) s'étendent jusqu'à la hauteur des incisions (18), respectivement de la traverse du fond (17b).
7. Ressort à boîtier selon la revendication 4 et 6, caractérisé en ce que la découpe (23) située à droite dans une vue de dessus forme, avec une découpe en "L" (23a), la découpe pour le bras de ressort à cran d'arrêt (21) disposé dans le fond (13).
8. Ressort à boîtier selon la revendication 6 et/ou 7,
caractérisé en ce que, par les découpes (22 et 23) et une incision de séparation (27) parallèlement au bord arrière (24) de la traverse (25) du boîtier, il est formé des bras couvrant le ressort (26) qui sont infléchis vers l'intérieur et l'un vers l'autre et reposent sur les bras élastiques (7).
9. Ressort à boîtier selon la revendication 8, caractérisé en ce que, dans la région de l'incision de séparation (27), le bord arrière (24) est prolongé par estampage et forme une traverse de butée (28) évitant une trop grande inflexion des bras (26) du couvre-ressort.
10. Ressort à boîtier selon la revendication 8 et/ou 9, caractérisé en ce que les bras (26) du couvre-ressort présentent une découpe ayant la forme d'un arc commençant à la base et s'étendant jusqu'à l'extrémité libre.
11. Ressort à boîtier selon les revendications 6 à 10,
caractérisé en ce que la paroi supérieure (14) présente des deux côtés, dans la région de la traverse (25) du boîtier, des incisions (29) s'étendant sensiblement parallèlement des deux côtés des rebords de contact, des traverses (30) en résultant qui sont infléchies vers l'intérieur, et en ce que, en vue de dessus, de telles incisions sont contenues dans le fond, exactement sous les incisions (29), une traverse (31) en résultant qui est également infléchie vers l'intérieur, les bras élastiques (7) reposant, dans la région de leurs lignes de contact (8), sur les bords d'incision des traverses (30 et 31 ).
12. Ressort à boîtier selon la revendication 11, caractérisé en ce que la région du cône de guidage des bras élastiques fourchés (7) s'appuie sur le bord (32) de la traverse (25) situé du côté de l'ouverture d'enfichage, afin d'éviter une trop grande inflexion des bras à ressort fourché (7).
13. Ressort à boîtier selon les revendications 1 à 12,
caractérisé par le fait que le bord antérieur (12a) de la languette (12) de la base (4) des bras élastiques du ressort fourché plat (1) bute contre le bord arrière (17c) de la nervure (17b) du fond de l'élément palier (17) du couvre-ressort (2).
14. Ressort à boîtier selon les revendications 6 à 13,
caractérisé en ce que les bras (26) du couvre-ressort s'étendent jusqu'au voisinage immédiat des lignes de contact (8).
15. Ressort à boîtier selon les revendications 4 à 14,
caractérisé en ce que la languette (11) est disposée dans le fond (5) du ressort fourché plat (1), de manière telle qu'elle serve de butée pour éviter une trop grande inflexion du bras de ressort à cran d'arrêt (21) du couvre-ressort (2).
EP85115392A 1985-03-26 1985-12-04 Ressort en forme de boîtier Expired - Lifetime EP0196367B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19853510865 DE3510865A1 (de) 1985-03-26 1985-03-26 Kastenfeder
DE3510865 1985-03-26
DE8508964U DE8508964U1 (de) 1985-03-26 1985-03-26 Kastenfeder

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP89202206.2 Division-Into 1985-12-04

Publications (2)

Publication Number Publication Date
EP0196367A1 EP0196367A1 (fr) 1986-10-08
EP0196367B1 true EP0196367B1 (fr) 1990-06-27

Family

ID=37857093

Family Applications (2)

Application Number Title Priority Date Filing Date
EP85115392A Expired - Lifetime EP0196367B1 (fr) 1985-03-26 1985-12-04 Ressort en forme de boîtier
EP89202206A Expired - Lifetime EP0352871B1 (fr) 1985-03-26 1985-12-04 Ressort en forme de boîtier

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP89202206A Expired - Lifetime EP0352871B1 (fr) 1985-03-26 1985-12-04 Ressort en forme de boîtier

Country Status (2)

Country Link
EP (2) EP0196367B1 (fr)
DE (2) DE8508964U1 (fr)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8713038U1 (de) * 1987-09-28 1987-11-19 Amp Deutschland Gmbh, 6070 Langen Buchsenartiger elektrischer Anschluß
DE3817803C3 (de) * 1988-05-26 1995-04-20 Reinshagen Kabelwerk Gmbh Elektrische Flachsteckverbindung
DE8914952U1 (de) * 1989-12-18 1991-04-18 Grote & Hartmann Gmbh & Co Kg, 5600 Wuppertal Elektrische Kontaktbuchse für einen Flachsteckstift
DE9017229U1 (de) * 1990-12-20 1992-04-23 Grote & Hartmann Gmbh & Co Kg, 5600 Wuppertal Doppelflachfederkontakt mit Anschlageinrichtung
DE9017536U1 (de) * 1990-12-28 1991-03-21 Amp Inc., Harrisburg, Pa. Steckverbindungsbuchse
EP0517077B1 (fr) * 1991-06-03 1997-07-23 The Whitaker Corporation Contact électrique
DE9106773U1 (de) * 1991-06-03 1991-07-18 Amp Inc., Harrisburg, Pa. Elektrischer Steckkontakt
DE9106775U1 (de) * 1991-06-03 1991-07-18 Amp Inc., Harrisburg, Pa. Elektrischer Steckkontakt
DE4203379A1 (de) * 1992-02-06 1993-08-12 Daut & Rietz Trw Federkontakt fuer elektrische flachstecksysteme
DE9202366U1 (de) * 1992-02-24 1993-06-17 Siemens AG, 8000 München Kontaktfeder mit einer als Überfeder ausgebildeten Rasthülse
DE9211819U1 (de) * 1992-07-07 1993-11-04 Grote & Hartmann Elektrisches Kontaktelement
DE4227287A1 (de) * 1992-08-18 1994-02-24 Framatome Connectors Int Elektrischer Federkontakt
DE4312641C2 (de) * 1993-04-19 1995-10-12 Grote & Hartmann Elektrische Kontakthülse
FR2713833B1 (fr) * 1993-12-15 1996-02-09 Cinch Connecteurs Sa Organe femelle de contact électrique et élément de boîtier de connecteur électrique destiné à recevoir un tel organe.
GB9411809D0 (en) * 1994-06-13 1994-08-03 Amp Gmbh Electrical receptacle terminal
DE19535148A1 (de) * 1995-09-21 1997-03-27 Whitaker Corp Teil eines elektrischen Kontaktes und elektrischer Kontakt
US5911603A (en) * 1996-07-22 1999-06-15 The Whitaker Corporation Single piece electrical receptacle terminal for mating with a pin contact
FR2765033B1 (fr) * 1997-06-24 1999-08-06 Framatome Connectors Int Contact electrique miniature
DE29719153U1 (de) * 1997-10-28 1999-03-04 Grote & Hartmann Gmbh & Co Kg, 42369 Wuppertal Miniaturisiertes Steckkontaktelement
FR2775130B1 (fr) * 1998-02-16 2000-04-28 Framatome Connectors Int Contact electrique femelle et borne comportant un tel contact
FR2775132B1 (fr) * 1998-02-16 2002-12-27 Framatome Connectors Int Borne de connexion electrique a cage, a precontrainte des lames de contact
FR2775131B1 (fr) * 1998-02-16 2003-01-10 Framatome Connectors Int Borne de connexion electrique a cage
WO1999041807A1 (fr) * 1998-02-16 1999-08-19 Framatome Connectors International Borne de connexion electrique pourvue d'une cage
DE10013840C2 (de) * 2000-03-21 2003-05-08 Grote & Hartmann Elektrisches Kontaktelement
DE10034862B4 (de) * 2000-07-18 2009-06-25 Lear Corp., Southfield Elektrisches Kontaktelement
DE10335196B3 (de) * 2003-07-30 2005-04-07 Yazaki Europe Ltd., Hemel Hempstead Kontaktbuchse für einen Flachstecker
DE102005042653A1 (de) * 2005-09-08 2007-03-15 Robert Bosch Gmbh Buchsenkontakt mit Überfeder mit einer vorgesehenen Öffnung in den Einführlaschen
US9825393B1 (en) * 2017-01-26 2017-11-21 Te Connectivity Corporation Electrical contact having contact surfaces in two planes perpendicular to each other

Citations (1)

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Publication number Priority date Publication date Assignee Title
DE3014614A1 (de) * 1980-04-16 1981-11-12 Bunker Ramo Corp., 60521 Oak Brook, Ill. Quetschkontaktfeder fuer einen elektrischen steckverbinder

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CH618549A5 (fr) * 1977-05-25 1980-07-31 Cdm Connectors Dev & Mfg Ag
DE3212579A1 (de) * 1982-04-03 1983-10-13 Grote & Hartmann Gmbh & Co Kg, 5600 Wuppertal Doppelflachfederkontakt
DE8236405U1 (de) * 1982-12-24 1984-10-04 Grote & Hartmann Gmbh & Co Kg, 5600 Wuppertal Doppelflachfederkontakt mit Überfeder
US4531808A (en) * 1983-05-16 1985-07-30 Ford Motor Company Blade coupling terminal

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
DE3014614A1 (de) * 1980-04-16 1981-11-12 Bunker Ramo Corp., 60521 Oak Brook, Ill. Quetschkontaktfeder fuer einen elektrischen steckverbinder

Also Published As

Publication number Publication date
DE3510865C2 (fr) 1991-01-03
DE3510865A1 (de) 1986-10-02
EP0352871A3 (en) 1990-03-21
DE8508964U1 (de) 1986-12-18
EP0352871A2 (fr) 1990-01-31
EP0352871B1 (fr) 1993-03-17
EP0196367A1 (fr) 1986-10-08

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