EP0052426A1 - Einen Keil enthaltender, elektrischer Verbinder - Google Patents

Einen Keil enthaltender, elektrischer Verbinder Download PDF

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Publication number
EP0052426A1
EP0052426A1 EP81304854A EP81304854A EP0052426A1 EP 0052426 A1 EP0052426 A1 EP 0052426A1 EP 81304854 A EP81304854 A EP 81304854A EP 81304854 A EP81304854 A EP 81304854A EP 0052426 A1 EP0052426 A1 EP 0052426A1
Authority
EP
European Patent Office
Prior art keywords
wedge
receptacle
connector
metal
leading end
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.)
Withdrawn
Application number
EP81304854A
Other languages
English (en)
French (fr)
Inventor
Robert Terence Runagall
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.)
TE Connectivity Corp
Original Assignee
AMP Inc
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 AMP Inc filed Critical AMP Inc
Publication of EP0052426A1 publication Critical patent/EP0052426A1/de
Withdrawn legal-status Critical Current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
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/50—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
    • H01R4/5083—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using a wedge

Definitions

  • This invention relates to electrical connectors of the kind comprising a receptacle and a wedge shaped plug for trapping wires between surfaces of the plug and receptacle.
  • connectors have been successfully used according to this method for some years, the connector parts being made, for example, of aluminium or copper, and being used for connecting aluminium or copper conductors, but problems of tool wear arise due to high forces developed on the spike of the tool arranged to deform the wedge.
  • the wedge at its leading end is formed with a weakened zone adapted to allow penetration of a tool spike and deformation of metal at a side of the zone to engage an end face of the receptacle.
  • the weakened zone may, for example, comprise an aperture, open at the leading end of the wedge with side wall portions arranged for lateral deformation.
  • the weakened zone is formed by an insert of metal which is soft relative to the metal of the wedge.
  • the insert is of dovetail form and is contained within a dovetail shaped aperture at a side of the wedge leading end, the narrow ends of the dovetails being disposed at the wedge leading end.
  • the wedge and the receptacle are suitably of a metal or alloy of metals lying between copper and aluminium on the electro potential scale so that the connector can be used to interconnect copper and aluminium conductors with reduced risk of galvanic erosion.
  • the wedge is of maganese bronze or aluminium bronze, and if used with an insert of relatively soft metal, a suitable metal is copper.
  • the connector of Figure 1 comprises a C-shaped receptacle 1 for receiving a wedge shaped plug 2, the receptacle tapering towards one end in complementary manner to the wedge, and having arcuate bights 3 complementary to arcuate recesses 4 in opposite sides of the wedge 2.
  • the wedge is inserted into the receptacle to trap an aluminium conductor 5, at one side, and a copper conductor 6 at the other side between sides of the wedge 2 and the bights 3 of the receptacle 1.
  • the leading end of the wedge 2 projects beyond the receptacle 1, and adjacent the closed side of the receptacle, a portion 7 is deformed to engage the leading end of the receptacle and resist withdrawal.
  • the wedge as seen in Figures 4 and 5, is formed at one side, at its leading end with a metal insert 8, for example, of copper, which is softer than the metal of the wedge 2 which is, for example, of aluminium bronze or manganese bronze.
  • the insert 8 is of tapered dovetail form, fitting into a complementary recess in the side of the wedge 2.
  • the wedge 2 is fitted within the receptacle 1 with the insert 8 adjacent the closed side of the receptacle, initially loosely to trap the conductors 5 and 6, and the connection is assembled in a tool having a frame 9 supporting a slideable ram 10.
  • the frame is formed with an anvil 11 engaging the end of the closed side of the receptacle 1, and with a sharp projection 12, engaging the insert 8.
  • the ram engages the near end of the receptacle.
  • the wedge 2 On driving the ram, for example by explosive force, the wedge 2 is driven into the receptacle 1 to clamp the conductor wires 5 and 6, and the projection 12 deforms or peens the insert 8 over the leading end of the closed side of the receptacle.
  • a wedge 20 is formed at its leading end with an aperture 21 of rectangular form extending through a substantial height of the wedge to define relatively narrow sidewall portions 22 adapted to be deformed laterally on penetration of a tool spike into the aperture, to engage an end face of the complementary receptacle.

Landscapes

  • Suspension Of Electric Lines Or Cables (AREA)
EP81304854A 1980-11-11 1981-10-19 Einen Keil enthaltender, elektrischer Verbinder Withdrawn EP0052426A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8036133 1980-11-11
GB8036133 1980-11-11

Publications (1)

Publication Number Publication Date
EP0052426A1 true EP0052426A1 (de) 1982-05-26

Family

ID=10517216

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81304854A Withdrawn EP0052426A1 (de) 1980-11-11 1981-10-19 Einen Keil enthaltender, elektrischer Verbinder

Country Status (3)

Country Link
EP (1) EP0052426A1 (de)
AR (1) AR226388A1 (de)
BR (1) BR8107273A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0053509B1 (de) * 1980-12-01 1986-04-30 BICC Public Limited Company Verfahren zum Herstellen einer elektrischen Verbindung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE374103C (de) * 1923-04-19 Franz Wirschitz Leitungsklemme mit Keil und Muffe
US1859561A (en) * 1929-06-08 1932-05-24 Union Trust Co Cable or wire clamp
CH217595A (de) * 1939-09-01 1941-10-31 Vontobel & Co R Korrosionsfeste Verbindung von miteinander zu verbindenden Leiterteilen aus verschiedenen Materialien.
GB1030058A (en) * 1964-01-30 1966-05-18 Amp Inc Electrical connector assembly and assembling method and tool

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE374103C (de) * 1923-04-19 Franz Wirschitz Leitungsklemme mit Keil und Muffe
US1859561A (en) * 1929-06-08 1932-05-24 Union Trust Co Cable or wire clamp
CH217595A (de) * 1939-09-01 1941-10-31 Vontobel & Co R Korrosionsfeste Verbindung von miteinander zu verbindenden Leiterteilen aus verschiedenen Materialien.
GB1030058A (en) * 1964-01-30 1966-05-18 Amp Inc Electrical connector assembly and assembling method and tool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0053509B1 (de) * 1980-12-01 1986-04-30 BICC Public Limited Company Verfahren zum Herstellen einer elektrischen Verbindung

Also Published As

Publication number Publication date
AR226388A1 (es) 1982-06-30
BR8107273A (pt) 1982-08-03

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

AK Designated contracting states

Designated state(s): DE FR GB IT NL

18W Application withdrawn

Withdrawal date: 19820427

RIN1 Information on inventor provided before grant (corrected)

Inventor name: RUNAGALL, ROBERT TERENCE