EP0226952B1 - Ressort de contact - Google Patents

Ressort de contact Download PDF

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Publication number
EP0226952B1
EP0226952B1 EP86117197A EP86117197A EP0226952B1 EP 0226952 B1 EP0226952 B1 EP 0226952B1 EP 86117197 A EP86117197 A EP 86117197A EP 86117197 A EP86117197 A EP 86117197A EP 0226952 B1 EP0226952 B1 EP 0226952B1
Authority
EP
European Patent Office
Prior art keywords
contact
strip
legs
leg
bent
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
EP86117197A
Other languages
German (de)
English (en)
Other versions
EP0226952A1 (fr
Inventor
Werner Moyaert
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP0226952A1 publication Critical patent/EP0226952A1/fr
Application granted granted Critical
Publication of EP0226952B1 publication Critical patent/EP0226952B1/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
    • H01R13/115—U-shaped sockets having inwardly bent legs, e.g. spade type

Definitions

  • the invention relates to a contact spring formed from a sheet metal strip, in which at one end of the strip a strip section is bent back in a U-shape opposite to the course of the strip and the strip has a cutout in the region of the bend for inserting a contact pin or contact knife.
  • Such a contact spring is known from US-E 29 513. It is clear that in this known contact spring to achieve a sufficient spring travel, the bent-back section must be dimensioned relatively long and that therefore a contact knife intended for contact with such a contact spring must also have a relatively large length in order to reach the distance from the free end of the contact spring to be able to penetrate the bent portion of the contact surface formed.
  • one of the two contact surfaces namely the contact surface, which is located on the side of the unbent part of the strip, is relatively rigid, so that the clamping effect, that is to say the contact force, has to be largely generated by the bent portion.
  • both contact surfaces are components of resilient webs, so that the contact surfaces can lie with an optimal spring action against a contact pin inserted between these surfaces or a contact knife inserted between these surfaces.
  • the contact spring is made from a spring sheet metal strip 1, which is formed at one end by a punching process and any subsequent bending to form a pin-shaped or knife-shaped connecting element 2.
  • the sheet metal strip 1 is divided at its other end into two webs 3, 4 which are arranged next to one another and parallel in the direction of the strip 1.
  • the longer of the two webs 3 has at its free end 5 an arm 6 provided transversely to the direction of the strip 1.
  • This, at its free end 7 widened arm 6 is dimensioned such that it is arranged with its widening 8 in the unbent state of the strip 1 separated by an air gap 9 from the web 4 in extension of the shorter web 4.
  • the shorter web 4 is provided with a curvature at its free end and forms a contact surface 10 of the contact spring in the region of this curvature.
  • the widening 8 of the arm 6 forms a further contact surface 11 with the surface that lies opposite the contact surface 10 of the shorter web 4.
  • the air gap 9 lying in the unbent state of the longer web 3 between the contact surfaces 10 and 11 forms an insertion opening in the bent state of the web 3, through which a contact pin or a contact knife can be inserted between the contact surfaces 10 and 11. From the figures it can be seen that both contact surfaces 10, 11 of the bend 18 of the longer web 3 are provided immediately adjacent to one end of the contact spring, so that a contact pin or a contact knife does not require a great length to pass between the contact surfaces 10, 11 reach.
  • the strip 1 is divided into three mutually parallel webs 12, 13, 14 at the end of the strip which faces away from the connecting element 2.
  • the two outer webs 12, 14 are connected to one another at their free end by the arm 6, and the arm 6 has the widening 8 in its center, which is thereby an extension of the shorter web 13, which is separated by an air gap 9 from the Widening 8 in the direction of the strip 1 is separated when the two outer webs 12, 14 are in the unbent state.
  • the widening 8 of the arm 6 is compared to the free end of the shorter web 13 by a U-shaped back bend 18 of the outer webs 12, 14.
  • the mutually opposing surfaces of the widening 8 of the arm 6 and the free end of the web 13 are designed as contact surfaces 10, 11, between which a contact pin or a contact knife can be inserted, which or is passed through a window 16, which through the curved areas 17 of the longer webs 12, 14 is limited.
  • the individual sheet metal strips 1 can be worked out as rungs of a ladder-shaped sheet metal strip from the sheet metal strip, the contact surfaces 10, 11 being located on the same side of the sheet metal strip due to the special design of the contact spring and also on each strip concentrate a narrow area 19, which favors the coating of the areas of the strips 1, which are provided for forming the contact surfaces 10, 11, with precious metal.

Landscapes

  • Measuring Leads Or Probes (AREA)
  • Springs (AREA)

Claims (2)

1. Ressort de contact, qui est formé à partir d'une bande de tôle (1) et dans lequel à l'une des extrémités de la bande une partie de celle-ci est recourbée en forme de U dans le sens opposé à celui dans lequel la bande (1) s'étend et la bande (1) comporte dans la région de la courbure (18) un évidement pour l'enfichage d'une cheville de contact ou d'un couteau de contact, caractérisé en ce que la bande (1) est subdivisée, dans la direction dans laquelle elle s'étend, en deux ou trois barrettes (3; 4) ou (12, 14; 13) parallèles entre elles de longueur différente, en ce que la barrette la plus longue (3) ou les deux barrettes extérieures les plus longues (12, 14) est ou sont recourbées en forme de U et une surface de contact (11) fait partie d'un bras (6) de cette barrette (3) ou de ces deux barrettes extérieures (12, 14) qui est dirigé transversalement à la direction dans laquelle s'étend la bande, en ce qu'il est prévu une seconde surface de contact (10), située en face de la surface de contact (11) de la barrette (3) recourbée, à l'extrémité libre d'une languette dégagée formée par une barrette courte (4) ou (13), et en ce que les deux surfaces de contact (10, 11), situées l'une en face de l'autre, de la courbure (18) de la barrette la plus longue (3) sont immédiatement voisines.
2. Ressort de contact suivant la revendication 1, caractérisé en ce que la bande (1) est constituée vers les surfaces de contact (10, 11) de trois barrettes (12, 13, 14) parallèles entre elles, et en ce que le bras (6) relie en tant que pièce transversale les deux barrettes extérieures les plus longues (12, 14), qui sont recourbées en forme de U et la languette est formée de la barrette médiane la plus courte (13).
EP86117197A 1985-12-13 1986-12-10 Ressort de contact Expired - Lifetime EP0226952B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3544223 1985-12-13
DE3544223 1985-12-13

Publications (2)

Publication Number Publication Date
EP0226952A1 EP0226952A1 (fr) 1987-07-01
EP0226952B1 true EP0226952B1 (fr) 1990-03-21

Family

ID=6288419

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86117197A Expired - Lifetime EP0226952B1 (fr) 1985-12-13 1986-12-10 Ressort de contact

Country Status (3)

Country Link
US (1) US4702545A (fr)
EP (1) EP0226952B1 (fr)
DE (1) DE3669811D1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5059135A (en) * 1990-06-06 1991-10-22 Yamaichi Electric Mfg. Co., Ltd. Contact in a socket for an electric part
JPH073588Y2 (ja) * 1990-06-27 1995-01-30 矢崎総業株式会社 中継端子
US5409406A (en) * 1993-12-17 1995-04-25 Berg Technology, Inc. Connector for high density electronic assemblies
US5709573A (en) * 1994-10-20 1998-01-20 Berg Technology, Inc. Connector for high density electronic assemblies
IT1286938B1 (it) * 1996-02-26 1998-07-24 Gianfranco Natali Linguetta elastica di contatto e procedimento con cui e' ricavata in una piastra
JP3286185B2 (ja) * 1996-10-21 2002-05-27 アルプス電気株式会社 ソケットコネクタのコンタクト構造
US6000975A (en) * 1997-12-12 1999-12-14 3M Innovative Properties Company Canted beam electrical contact and receptacle housing therefor
US6319076B1 (en) * 1998-09-30 2001-11-20 Itt Manufacturing Enterprises, Inc. Socket contact element
US6669499B2 (en) * 2002-04-09 2003-12-30 Tyco Electronics Corporation Contact for pin grid array connector and method of forming same
DE102010034628A1 (de) * 2010-08-17 2012-02-23 Phoenix Contact Gmbh & Co. Kg Steckkontaktelement zur Kontaktierung mit einem Gegenkontaktelement

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US29513A (en) * 1860-08-07 Machine for upsetting tires
US3659243A (en) * 1969-10-24 1972-04-25 Amp Inc Electrical connectors
US3832770A (en) * 1969-10-24 1974-09-03 Amp Inc Electrical connectors
US3917375A (en) * 1974-06-17 1975-11-04 Teradyne Inc Electrical connection apparatus
US4175821A (en) * 1978-05-15 1979-11-27 Teradyne, Inc. Electrical connector
US4598972A (en) * 1982-07-28 1986-07-08 Motorola, Inc. High density electrical lead
US4536055A (en) * 1983-10-19 1985-08-20 Amp Incorporated Stamped and formed stacking device for circuit boards and a method for making
GB8425103D0 (en) * 1984-10-04 1984-11-07 Amp Great Britain Electrical receptacle

Also Published As

Publication number Publication date
DE3669811D1 (de) 1990-04-26
US4702545A (en) 1987-10-27
EP0226952A1 (fr) 1987-07-01

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