EP0114187B1 - Contact à double ressort plat avec un ressort autour - Google Patents

Contact à double ressort plat avec un ressort autour Download PDF

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Publication number
EP0114187B1
EP0114187B1 EP83109173A EP83109173A EP0114187B1 EP 0114187 B1 EP0114187 B1 EP 0114187B1 EP 83109173 A EP83109173 A EP 83109173A EP 83109173 A EP83109173 A EP 83109173A EP 0114187 B1 EP0114187 B1 EP 0114187B1
Authority
EP
European Patent Office
Prior art keywords
spring
arms
double leaf
spring contact
overlying
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
EP83109173A
Other languages
German (de)
English (en)
Other versions
EP0114187A2 (fr
EP0114187B2 (fr
EP0114187A3 (en
Inventor
Srboslav Lolic
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=37781872&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0114187(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 EP0114187A2 publication Critical patent/EP0114187A2/fr
Publication of EP0114187A3 publication Critical patent/EP0114187A3/de
Application granted granted Critical
Publication of EP0114187B1 publication Critical patent/EP0114187B1/fr
Publication of EP0114187B2 publication Critical patent/EP0114187B2/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
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • 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
    • H01R13/113—Resilient sockets co-operating with pins or blades having a rectangular transverse section

Definitions

  • the invention relates to an electrical double flat spring contact with an over-spring according to the first part of claim 1 and is based on document DE-U-7 313 792.
  • This DE-U-7 313 792 shows a connecting plug with a U-shaped spring clip which is mounted within the double flat spring contact, the free U-legs of the clip still extending in the front and only acting on the spring arms from the outside with the angled ends.
  • Electrical double flat spring contacts are made from stamped sheet metal parts. Inner springs which are arranged between the contact spring arms are known (DE-PS 2455140). An outer spring for a so-called telephone connector is also known. However, this external spring is not suitable for a double flat spring contact.
  • the object of the invention is to provide a double flat spring contact with an outer spring, the outer spring having a relatively uncomplicated shape from a stamped sheet metal part and not intended to significantly increase the external dimensions of the double flat spring contact. Furthermore, the outer spring should be able to be easily arranged on the double flat spring contact and securely stored on the double flat spring contact.
  • the double flat spring contact 1 which according to the invention can be equipped with an external spring 2, has - viewed from the rear to the front - the insulation claw 3, the conductor wire claw 4, the box-shaped spring arm base 5 with a rectangular cross section and spring arms connected to it.
  • the box-shaped spring arm base 5 consists of the bottom 6, the two side walls 7 with the free front edges 7a and the longitudinally divided ceiling parts 8. In the longitudinal center, the edges 9 of the ceiling parts 8 are arranged at a distance from one another, so that a slot 10 results.
  • a spring arm 11 extends forward from each ceiling part 8. The spring arms are spaced in the longitudinal center around the width of the slot 10, so that the slot 10 continues unchanged towards the front.
  • the spring arms 12 are arranged congruently below the spring arms 11 and are connected to the base 6 (therefore not visible in FIG. 1).
  • the spring arms 11 and 12 are bent downwards in the bending lines 13, so that they converge and touch in the bending line 14. From there, the end regions 15 diverge to form an insertion funnel 16 (FIG. 8).
  • each ceiling part 8 It is essential that an angle, preferably a right angle, is cut out in each ceiling part 8, so that there is a cutout longitudinal edge 8a and a cutout transverse edge 8b, the function of which is described below.
  • the outer spring 2 is constructed symmetrically to the axis 17 (FIG. 2) and each has the lower clamp arms 18 and the upper clamp arms 19, which are arranged at a distance from one another on the spring arm base 20.
  • the spring arm base 20 is divided by the bending line 21, 22 into the bottom section 23, the side wall sections 24 and the top wall sections 25.
  • a slot 26 is provided between the clamp arms 18, which corresponds to the width of the slot 10 of the double flat spring contact.
  • a latching tongue 27 is cut out in the spring arm base 20 up to the rear edge 28 of the spring arm base 20.
  • Running parallel to the front edge 29 of the side wall sections 24 is an average 30, so that a narrow locking strip 31 results.
  • the outer edges 32 of the spring arm base 20 there is a short incision 33 running parallel to the rear edge 28, from which tabs 34 result.
  • the outer spring 2 is bent around the bending line 21 and 22, so that there is a box-shaped outer spring arm base 20 with a rectangular cross section (FIGS. 3 to 6).
  • the outer edges 32 lie opposite one another at a distance from the width of the slot 26.
  • the spring clip arms 18, 19 are bent inwards so that they converge, but the ends 36 remain at a distance from one another.
  • the end regions 36 are expediently bent a little further inwards.
  • the tabs 34 are bent inwards with their tip 34a into the box shape of the outer spring arm base 20 and the locking webs 31 are pushed inwards (FIGS. 4, 5 and 6).
  • the outer spring 2 is seated on the box-shaped spring arm base 5 of the double flat spring contact 1 according to FIGS. 7 to 10.
  • the seat A somewhat longer box shape of the outer spring is approximately form-fitting over the box shape of the double flat spring contact, the clamp arms 18 and 19 viewed in plan view, parallel to the spring arms 11, 12 of the double flat spring contact.
  • Their width suitably corresponds to the width of the spring arms 11, 12. However, they are shorter, so that the clamp arms 18, 19 press shortly before the bending line 14 from the outside onto the spring arms 11, 12 of the double flat spring contact.
  • the rear edge 28 of the outer spring 2 terminates with the rear edge 8c of the spring arm base 5 of the double flat spring contact.
  • the average 30 is arranged on the length of the base part 20 of the outer spring 2 where the front edges 7a of the side walls 7 of the double flat spring contact are flush and parallel. This ensures that the web 31 engages behind the front edge 7a and prevents the outer spring 2 from being pushed back on the double flat spring contact.
  • the incision 33 is made in combination with the average 30 at a point which is flush and parallel to the edge 8b of the respective ceiling part 8. By bending the tip 34a inward, the edge 34b of the outer spring 2 engages behind the edge 8b of the double flat spring contact, so that a displacement of the outer spring 2 to the front is prevented.
  • the outer spring 2 made of steel is thus firmly seated on the double flat spring contact.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Telephone Set Structure (AREA)

Claims (6)

1. Contact à double ressort à lame, muni d'un ressort superposé, le contact à double ressort à lame présentant des éléments de connexion d'un fil conducteur électrique, la base des bras de ressort ayant la forme d'un boîtier de section rectangulaire muni d'un fond, de parois latérales et de portions de couverture séparées longitudinalement, un bras de ressort (11) s'étendant vers l'avant à partir de chaque portion de couverture et des bras de ressort (12) étant attachés au fond, caractérisé par le fait qu'un ressort extérieur superposé (2) est disposé et bloqué sensiblement sans jeu sur la base des bras de ressort (5), le ressort extérieur superposé (2) présentant une base (20) ayant la forme d'un boîtier de section rectangulaire à laquelle sont attachés des bras de retenue (18, 19) du ressort superposé s'étendant vers l'avant et parallèlement aux bras de ressort (11, 12) du contact à double ressort à lame (1) et appuyant extérieurement sur les bras de ressort (11, 12).
2. Contact à double ressort à lame selon la revendication 1, caractérisé par le fait que, pour les moyens d'arrêt un angle, de préférence un angle droit, est découpé dans la portion de couverture (8) du contact à double ressort à tàme, formant un bord de découpe longitudinal (8a) et un bord transversal (8b).
3. Contact à double ressort à lame selon la revendication 1 et/ou 2, caractérisé par le fait que dans les bords (32) de la base (20) des bras du ressort superposé, des découpes (33) de faible longueur et s'étendant parallèlement au bord postérieur (28) sont prévues, ménageant des pattes (34), que la pointe (34a) desdites pattes (34) est repliée vers l'intérieur du boîtier qui constitue la base (5) des bras de ressort et que, parallèlement au bord antérieur (29) des portions de paroi latérale (24) de la base (20) des bras de ressort extérieur superposé, des découpes (30) sont disposées, ménageant une étroite bande d'arrêt (31) qui est creusée vers l'intérieur et s'insère respectivement derrière le bord antérieur (7a) des parois latérales (7) du contact à double ressort à lame (1).
4. Contact à double ressort à lame selon l'une des revendications 1 à 3, caractérisé par le fait que les bras de ressort (11, 12) sont infléchis, le long des lignes de pliage (13), vers le bas, entrent en contact le long de la ligne de pliage (14) et qu'à partir de là, les régions d'extrémité (15) s'écartent l'une de l'autre en divergeant pour former un entonnoir d'insertion (16).
5. Contact à double ressort à lame selon la revendication 4, caractérisé par le fait que les bras de retenue (18, 19) du ressort superposé sont infléchis vers l'intérieur le long de la ligne de pliage (35) et que les régions d'extrémité (36) sont coudées un peu plus vers l'intérieur le long de la ligne de coudage (37).
6. Contact à double ressort à lame selon l'une des revendications 1 à 5, caractérisé par le fait que les bras de retenue (18, 19) s'étendent parallèlement aux bras de ressort (11, 12), que leur largeur correspond à la largeur des bras de ressort (11, 12), que les bras de retenue (18, 19) sont plus courts que les bras de ressort (11, 12) et que les bras de retenue (18, 19) appuyent de l'extérieur sur les bras de ressort (11, 12) en un endroit situé à faible distance avant la ligne de pliage (14).
EP83109173A 1982-12-24 1983-09-16 Contact à double ressort plat avec un ressort autour Expired - Lifetime EP0114187B2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE8236405U DE8236405U1 (de) 1982-12-24 1982-12-24 Doppelflachfederkontakt mit Überfeder
DE3248078 1982-12-24
DE3248078A DE3248078C2 (de) 1982-12-24 1982-12-24 Doppelflachfederkontakt mit Überfeder

Publications (4)

Publication Number Publication Date
EP0114187A2 EP0114187A2 (fr) 1984-08-01
EP0114187A3 EP0114187A3 (en) 1987-04-29
EP0114187B1 true EP0114187B1 (fr) 1990-01-31
EP0114187B2 EP0114187B2 (fr) 1997-11-12

Family

ID=37781872

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83109173A Expired - Lifetime EP0114187B2 (fr) 1982-12-24 1983-09-16 Contact à double ressort plat avec un ressort autour

Country Status (4)

Country Link
US (1) US4540235A (fr)
EP (1) EP0114187B2 (fr)
JP (1) JPS59123173A (fr)
DE (2) DE8236405U1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5938485A (en) * 1996-09-30 1999-08-17 The Whitaker Corporation Electrical terminal

Also Published As

Publication number Publication date
DE3248078A1 (de) 1984-06-28
EP0114187A2 (fr) 1984-08-01
EP0114187B2 (fr) 1997-11-12
EP0114187A3 (en) 1987-04-29
US4540235A (en) 1985-09-10
DE8236405U1 (de) 1984-10-04
JPH0526312B2 (fr) 1993-04-15
DE3248078C2 (de) 1986-03-27
JPS59123173A (ja) 1984-07-16

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