EP0883918B1 - Elastische kontaktzunge und verfahren zu ihrer herstellung aus einer metallplatte - Google Patents

Elastische kontaktzunge und verfahren zu ihrer herstellung aus einer metallplatte Download PDF

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Publication number
EP0883918B1
EP0883918B1 EP97905098A EP97905098A EP0883918B1 EP 0883918 B1 EP0883918 B1 EP 0883918B1 EP 97905098 A EP97905098 A EP 97905098A EP 97905098 A EP97905098 A EP 97905098A EP 0883918 B1 EP0883918 B1 EP 0883918B1
Authority
EP
European Patent Office
Prior art keywords
contact tongue
stamping
plate
tongue
elastic
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
EP97905098A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0883918A1 (de
Inventor
Gianfranco Natali
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to SI9730054T priority Critical patent/SI0883918T1/xx
Publication of EP0883918A1 publication Critical patent/EP0883918A1/de
Application granted granted Critical
Publication of EP0883918B1 publication Critical patent/EP0883918B1/de
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
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
    • H01R13/245—Contacts for co-operating by abutting resilient; resiliently-mounted by stamped-out resilient contact arm
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/26—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for engaging or disengaging the two parts of a coupling device
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49105—Switch making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49204—Contact or terminal manufacturing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49204—Contact or terminal manufacturing
    • Y10T29/49208—Contact or terminal manufacturing by assembling plural parts
    • Y10T29/49218—Contact or terminal manufacturing by assembling plural parts with deforming

Definitions

  • the invention relates to a method for producing a elastic flexible contact tongue made of a metal plate is won, and stands out from this in order to work with another plate and / or with other objects, nearby, a mechanical one or make electrical contact.
  • Flexible and elastic metal contact tongues are known through which an electrical or mechanical contact to other metal parts.
  • These known Contact tongues usually consist of a thin metal plate, for example by means of a rivet on one End is usually connected to a metal structure with the supporting surface of a metal frame while the other free end projects resiliently and the touched surface to be contacted.
  • the tongue protrudes entirely from the plate on which it is attached, so that it can be seen during and after the Strike assembly, and therefore due to its low strength can be damaged. It can also be due to the sharp Edges to injuries to those involved in assembly People come.
  • a contact tongue is also known is also obtained directly from a metal strip, and through an operation that consists of a sequence of There are punching and figure cutting operations, one partial, localized embossing and a bend. Both Figure cutting operations, the metal is removed so that a tongue is formed at one end of the Plate remains connected and is free on three sides.
  • the tongue is shaped and the Work goal bent accordingly that the desired contact with another plate or another to be contacted Element comes about.
  • the object of the present invention is an elastic To create contact tongue that are inexpensive and quick to manufacture and which is formed from a metal plate, such is trained that while maintaining their by the Manufacturing process obtained resilient properties Contact with another metal plate or with another guaranteed metallic element.
  • the contact tongue is said to be designed so that the risk of injury through the protruding tongue and its fine structure can be largely excluded.
  • 1 denotes a metal plate, with 2 a flexible contact tongue, with 3 an edge that the Embossing 4 limited, with 5 a protruding contact button, with 6 an opening for the shifting during the embossing phase Material, with 8 the free end of the contact tongue 2, with 9 the upper surface of the plate 1, with 10 the lower surface, with 11 the pressed edge between the edge 3 of the Embossing 4 and the peripheral edge of the contact tongue 2 the result is a flexible and elastic contact tongue 2, which is obtained or formed from a metal plate 1 will be part of it.
  • the contact tongue 2 protrudes from the plate 1, and has elastic Characteristics that have an impact as far as the tongue when pressed against a contact surface bends, maintains contact, and at the same time towards the Depression of the embossing 4 is pressed out of which it normally protrudes until you push it in. Doing so at the same time the opening 6 from which the contact tongue 2 originated is almost completely closed.
  • the operations for producing the contact tongue 2 see one first punching phase before ( Figure 3), with that on the metal plate 1 a wide discharge opening 6 is created, a Embossing phase ( Figure 4), through the edges of the discharge opening 6 the embossing 4 and the protruding contact button 5 be created and a second stamping and bending phase, in which punched the contact tongue 2 and pressed out on the side on which embossing 4 was carried out itself.
  • the whole Metal of the embossing 4 deformed under pressure until it is so elastic is that the realized contact tongue around its rest position around becomes flexible and resilient while the strength the plate 1 is reduced locally limited.
  • the metal is displaced towards the discharge opening 6, whereby the latter narrowed accordingly.
  • the depth of the pressure is usually about half the original thickness of the plate 1 to the final product of the contact tongue 2 allow to bend when pressed until it fills the pressure itself and without the Surface 9 of the plate protruding and without into the shape, from which it emerged during the second die cut, to snap back and be held in it.
  • the embossing 4 is made in larger dimensions (length, width) realized than that of the flexible contact tongue to be produced 2, by the line on which the embossing for the contact tongue is punched, is located inside the edge 3, which limits the embossing 4, so that in this way the Crown 11 with reduced thickness is created.
  • the embossing stamp embossing 4 is intended to be an embossing head have, which is designed such that the bottom of the Embossing 4, except for the above contact button 5, in a uniform manner Strength is executed when a tongue is desired that has a constant bending ability over its entire length should have.
  • the stamp is intended to be a shaped head for embossing have a non-uniform recess if one Contact tongue can be created with greater flexibility is said to be able to vary depending on the length elements to bend differently, so that a Contact tongue with minimal strength in correspondence of the points arises in which they have the greater bending capacity should.
  • the contact tongue 2 is therefore due to the punching of three Pages of embossing 4 created, and thus results as one structure fixed on one side. They are punched using an embossing stamp from page 10 of plate 1 is used on the back of the embossing 4, so that the sharp edge of the contact tongue 2 aligned to the embossing 4 is, and the sharp edge of the plate 1 inside the Embossing 4 remains.
  • a contact tongue 2 with little smaller dimensions than the embossing 4 so if the crown 11 has only a minimal width is during the punching process not necessarily one that corresponds exactly to the basic form Embossing stamp necessary.
  • the contact tongue is against the outside the plate 1 pressed, its starting point remains connected with the edge of the depression from which the tongue was formed, and remains in the desired rest position from which at least her contact button 5 protrudes from the surface 9.
  • the sharp edge of the contact tongue 2 thus remains of the material thickness the plate 1 protected so that the contact between sharp edge and operator is prevented, while the opening remains small in size, and through the tongue is pressed almost completely against the embossing 4 is closed.
  • the thus structured and shaped contact tongue appears as an integral part of the plate 1, has an elongated central opening of small dimensions on that of the The plate 1 is embossed, in which the embossed material partially fills the original opening 6, has against her free-standing and edge over a protruding button 5, and is oriented towards the outside of the embossing 4.
  • the contact tongue 2 on her free-standing end 8 have more than one contact button 5.
  • the tongue can be shaped in this way be that it protrudes from the plate 1 in a side view, that their contact with other bodies is easier and therefore no protruding contact buttons are necessary are.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Automotive Seat Belt Assembly (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Manufacture Of Switches (AREA)
  • Containers Opened By Tearing Frangible Portions (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Electric Double-Layer Capacitors Or The Like (AREA)
  • Punching Or Piercing (AREA)
  • Soil Working Implements (AREA)
EP97905098A 1996-02-26 1997-02-26 Elastische kontaktzunge und verfahren zu ihrer herstellung aus einer metallplatte Expired - Lifetime EP0883918B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9730054T SI0883918T1 (en) 1996-02-26 1997-02-26 Elastic contact tongue and process for its production from a metal plate

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITAR960006 1996-02-26
IT96AR000006A IT1286938B1 (it) 1996-02-26 1996-02-26 Linguetta elastica di contatto e procedimento con cui e' ricavata in una piastra
PCT/EP1997/000935 WO1997032371A1 (de) 1996-02-26 1997-02-26 Elastische kontaktzunge und verfahren zu ihrer herstellung aus einer metallplatte

Publications (2)

Publication Number Publication Date
EP0883918A1 EP0883918A1 (de) 1998-12-16
EP0883918B1 true EP0883918B1 (de) 2000-01-19

Family

ID=11334919

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97905098A Expired - Lifetime EP0883918B1 (de) 1996-02-26 1997-02-26 Elastische kontaktzunge und verfahren zu ihrer herstellung aus einer metallplatte

Country Status (7)

Country Link
US (1) US5813117A (enrdf_load_stackoverflow)
EP (1) EP0883918B1 (enrdf_load_stackoverflow)
AT (1) ATE189086T1 (enrdf_load_stackoverflow)
DE (1) DE19707745A1 (enrdf_load_stackoverflow)
ES (1) ES2145578T3 (enrdf_load_stackoverflow)
IT (1) IT1286938B1 (enrdf_load_stackoverflow)
WO (1) WO1997032371A1 (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29807643U1 (de) * 1998-04-28 1998-07-16 TRW Automotive Safety Systems GmbH, 63743 Aschaffenburg Vorrichtung zur Einstellung des Kontaktabstandes
DE102004047652A1 (de) * 2004-09-30 2006-04-06 Rohde & Schwarz Gmbh & Co. Kg Kontaktzunge für eine elektrische Schaltvorrichtung, Verfahren zum Herstellen einer elektrischen Kontaktzunge und elektrische Schaltvorrichtung mit einer Kontaktzunge
US8835017B2 (en) * 2009-07-29 2014-09-16 Yuan Deng Metals Industrial Co., Ltd. Metal sheet member having high plastic bonding strength
CA2910538C (en) * 2013-04-30 2017-11-07 Sca Hygiene Products Ab Connector receptacle with contact supports for moisture sensor
EP3162870A1 (en) 2015-10-27 2017-05-03 Linde Aktiengesellschaft Low-temperature mixed-refrigerant for hydrogen precooling in large scale

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3559604A (en) * 1967-04-13 1971-02-02 Elco Corp Method of forming swaged contacts using progressive die
US3878347A (en) * 1974-02-04 1975-04-15 Otto Engineering Electrical switch
US4118610A (en) * 1974-11-16 1978-10-03 Ranco Incorporated Snap action switch blades
US3995365A (en) * 1975-01-13 1976-12-07 Otto Engineering, Inc. Method of forming electrical contacts
US4145587A (en) * 1977-07-25 1979-03-20 Ranco Incorporated Snap action switches
DE2813150A1 (de) * 1978-03-25 1979-09-27 Grundig Emv Schiebe-mehrfachumschalter und verfahren zur herstellung
US4250367A (en) * 1978-07-14 1981-02-10 Ranco Incorporated Snap action switch blades
DE3669811D1 (de) * 1985-12-13 1990-04-26 Siemens Ag Kontaktfeder.
DE3925598A1 (de) * 1989-08-02 1991-02-07 Grote & Hartmann Verfahren zum herstellen eines kontaktelements fuer einen folienverbinder und kontaktelement fuer einen solchen folienverbinder
US5666723A (en) * 1994-04-22 1997-09-16 Yazaki Corporation Method of producing connector terminal

Also Published As

Publication number Publication date
DE19707745A1 (de) 1997-10-30
ITAR960006A0 (enrdf_load_stackoverflow) 1996-02-26
US5813117A (en) 1998-09-29
ATE189086T1 (de) 2000-02-15
ES2145578T3 (es) 2000-07-01
EP0883918A1 (de) 1998-12-16
WO1997032371A1 (de) 1997-09-04
IT1286938B1 (it) 1998-07-24
ITAR960006A1 (it) 1997-08-26

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