EP0034405A2 - Trägerstreifen für elektrische Kontaktglieder und Verfahren zur Herstellung solcher Trägerstreifen und der elektrischen Kontaktglieder - Google Patents

Trägerstreifen für elektrische Kontaktglieder und Verfahren zur Herstellung solcher Trägerstreifen und der elektrischen Kontaktglieder Download PDF

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Publication number
EP0034405A2
EP0034405A2 EP81300192A EP81300192A EP0034405A2 EP 0034405 A2 EP0034405 A2 EP 0034405A2 EP 81300192 A EP81300192 A EP 81300192A EP 81300192 A EP81300192 A EP 81300192A EP 0034405 A2 EP0034405 A2 EP 0034405A2
Authority
EP
European Patent Office
Prior art keywords
strip
metallic strip
contact
portions
cantilevered
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.)
Granted
Application number
EP81300192A
Other languages
English (en)
French (fr)
Other versions
EP0034405B1 (de
EP0034405A3 (en
Inventor
Sidney Harry Atkins
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.)
Plessey Overseas Ltd
Original Assignee
Plessey Overseas Ltd
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 Plessey Overseas Ltd filed Critical Plessey Overseas Ltd
Priority to AT81300192T priority Critical patent/ATE8189T1/de
Publication of EP0034405A2 publication Critical patent/EP0034405A2/de
Publication of EP0034405A3 publication Critical patent/EP0034405A3/en
Application granted granted Critical
Publication of EP0034405B1 publication Critical patent/EP0034405B1/de
Expired 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
    • 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

Definitions

  • This invention relates to carrier strips for electrical contact members and to methods of making such carrier strips and electrical contact members.
  • a further object of the invention is to provide a simple and cheap method of making carrier strips for electrical contact members and the electrical contact members.
  • a carrier strip for electrical contact members comprises an elongate metallic strip having formed therein a plurality of orifices, the orificesbeing shaped to result in the formation of a plurality of cantilevered portions in the metallic strip each of which is deformable out of the plane of the metallic strip to permit the insertion between each cantilevered portion and the metallic strip of at least a portion of an electrical contact member.
  • a plurality of pairs of orifices may be formed in the metallic strip each pair comprising substantially U-shaped orifice, and a substantially rectangular shaped orifice arranged between the two limbs of the U-shaped orifice to form a substantially U-shaped cantilevered portion in the metallic strip.
  • the substantially U-shaped orifice and the substantially rectangular shaped orifice may be connected by a cutaway portion in the metallic strip to form two substantially L-shaped cantilevered portions in the metallic strip.
  • the invention also comprises a method of making a carrier strip and electrical contact members comprising the steps of producing an elongate metallic strip having a plurality of contact portions formed thereon and a plurality of orifices formed therein, the orifices being shaped to result in the formation of cantilevered portions in the metallic strip in line with the contact portions, each cantilevered portion being deformable out of the plane of the metallic strip to permit the insertion between each cantilevered portion and the metallic strip of at least a portion of an electrical contact member, inserting a contact leg between each cantilevered portion and the metallic strip in line with each contact portion, welding the contact leg to the metallic strip and cutting the metallic strip whereby the contact portion is severed from the metallic strip and retained on the contact leg.
  • the metallic strip with the contact portions is made by pressing.
  • the metallic strip is preferably formed with the contact portions projecting at right angles from one side of the axis of the metallic strip, but may be formed with contact portions projecting from both sides of the carrier strip.
  • the carrier strip is separated along its central axis before the contact legs are located in position.
  • FIG$ 1 there is shown part of a carrier strip 32 which is formed by pressing.
  • the strip includes a plurality of contact portions 12 extending at right angles to.the longitudinal axis of the strip and a number of slots 50 having a substantially U-shape and a number of slots 34 having a substantially rectangular shape positioned within the legs of the U-shaped slots 50.
  • a further slot 52 connects the slots 50 and 34 to form two substantially L-shaped portions 36 in the carrier strip 32. These portions are cantilevered and are deflectable away from the plane of the carrier strip 32.
  • the portions36 are formed in line with the contact portions 12 and in between these portions 36 and the carrier strip 32 are fed contact legs 16, one in line with each of the contact portions 12. The portions 36 hold the contact legs 16 in contact with the carrier strip 32 by spring force.
  • Each contact leg 16 is then welded to the contact strip 32 at a spot 18 adjacent to the lower end of its respective contact portion 12.
  • a part 42 (shown cross-hatched in Figure 1) of the carrier strip is now cut away between the contact portions 12, the part 42 reaching slots 40 formed in the carrier strip 32 so that the contact portions are completely detached from the carrier strip 32.
  • the carrier strip 32 now acts purely as a bandolier, supporting the contact legs 16 with the contact portions 12 welded to the ends of the contact legs 16. The connectors thus formed can then easily be removed from the bandolier and inserted into, for example, an electrical edge connector.
  • the slots 34,40,50 and 52 can be formed in the same pressing operation as the formation of the carrier strip 32, or any of the slots can be formed immediately before the welding operation.
  • the carrier strip 32 may be formed with contact portions 12 extending at right angles from opposite sides of the strip. This strip is then parted along its central axis to produce two separate carrier strips.
  • Figure 2 is a cross-sectional view of the carrier strip 32 showing the cantilever springs 36 acting on the contact legs 16 as shown in Figure 1.
  • the springs can be two L-shapes 36 or a single U-shape 38 as shown in Figure 3.
  • the finished connector can be withdrawn from the bandolier by pulling the legs 16 lengthwise out from under the springs 36 or by pulling perpendicularly from the strip 32.
  • the legs16 can only be withdrawn by pulling them lengthwise from under the spring 38.
  • Sightly raised portions 44 are provided on the strip to facilitate the welding operation.
  • selected parts of the contact portions 12 may be plated, such as with gold, prior to the welding operation or prior to the parting operation.
  • the welding operation may be carried out by welding one leg 16 at a time or a predetermined number of legs can be fed at'a known speed under a weld head which is pulsed to coincide with the parts to be welded.
  • the carrier strip can be fed continuously under a weld head which can be arranged to pulse continuously and possibly weld more than once on any leg. Any suitable method of welding can be used.
  • the legs 16 can be moveable axially on the carrier strip 32 so that subsequent processes such as swaging or forming the leg can carried out.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Manufacture Of Switches (AREA)
  • Wire Bonding (AREA)
  • Contacts (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Electric Double-Layer Capacitors Or The Like (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
EP81300192A 1980-02-16 1981-01-16 Trägerstreifen für elektrische Kontaktglieder und Verfahren zur Herstellung solcher Trägerstreifen und der elektrischen Kontaktglieder Expired EP0034405B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81300192T ATE8189T1 (de) 1980-02-16 1981-01-16 Traegerstreifen fuer elektrische kontaktglieder und verfahren zur herstellung solcher traegerstreifen und der elektrischen kontaktglieder.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8005319 1980-02-16
GB8005319 1980-02-16

Publications (3)

Publication Number Publication Date
EP0034405A2 true EP0034405A2 (de) 1981-08-26
EP0034405A3 EP0034405A3 (en) 1981-11-18
EP0034405B1 EP0034405B1 (de) 1984-06-27

Family

ID=10511434

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81300192A Expired EP0034405B1 (de) 1980-02-16 1981-01-16 Trägerstreifen für elektrische Kontaktglieder und Verfahren zur Herstellung solcher Trägerstreifen und der elektrischen Kontaktglieder

Country Status (4)

Country Link
EP (1) EP0034405B1 (de)
AT (1) ATE8189T1 (de)
DE (1) DE3164349D1 (de)
GB (1) GB2069377B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2663471A1 (fr) * 1990-06-13 1991-12-20 Labinal Ensemble de connexions electriques.

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2282089B (en) * 1993-08-19 1996-08-28 Junichi Nakazawa Electronic lead elements and the production method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2348674A1 (de) * 1973-09-27 1975-04-10 Siemens Ag Verfahren zum herstellen von elektrischen steckverbindern
GB1424180A (en) * 1974-07-30 1976-02-11 Cannon Electric Great Britain Releasable contacts for electrical connectors
GB1521074A (en) * 1974-10-04 1978-08-09 Du Pont Nederland Circuit board pins and to fixing thereof to a circuit boa-rd
EP0025244A1 (de) * 1979-08-31 1981-03-18 AB Electronic Components Limited Verfahren zur Herstellung elektrischer Stecker

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2348674A1 (de) * 1973-09-27 1975-04-10 Siemens Ag Verfahren zum herstellen von elektrischen steckverbindern
GB1424180A (en) * 1974-07-30 1976-02-11 Cannon Electric Great Britain Releasable contacts for electrical connectors
GB1521074A (en) * 1974-10-04 1978-08-09 Du Pont Nederland Circuit board pins and to fixing thereof to a circuit boa-rd
EP0025244A1 (de) * 1979-08-31 1981-03-18 AB Electronic Components Limited Verfahren zur Herstellung elektrischer Stecker

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2663471A1 (fr) * 1990-06-13 1991-12-20 Labinal Ensemble de connexions electriques.
EP0463903A1 (de) * 1990-06-13 1992-01-02 Société anonyme dite: LABINAL Anordnung mit elektrischen Verbindungen

Also Published As

Publication number Publication date
ATE8189T1 (de) 1984-07-15
GB2069377B (en) 1983-02-02
DE3164349D1 (en) 1984-08-02
GB2069377A (en) 1981-08-26
EP0034405B1 (de) 1984-06-27
EP0034405A3 (en) 1981-11-18

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