EP0221137B1 - Connector with wire receiving slot - Google Patents

Connector with wire receiving slot Download PDF

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Publication number
EP0221137B1
EP0221137B1 EP19860903016 EP86903016A EP0221137B1 EP 0221137 B1 EP0221137 B1 EP 0221137B1 EP 19860903016 EP19860903016 EP 19860903016 EP 86903016 A EP86903016 A EP 86903016A EP 0221137 B1 EP0221137 B1 EP 0221137B1
Authority
EP
European Patent Office
Prior art keywords
slot
wire
connector
wire receiving
base
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
Application number
EP19860903016
Other languages
German (de)
French (fr)
Other versions
EP0221137A1 (en
Inventor
Hervé SARAT
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 EP0221137A1 publication Critical patent/EP0221137A1/en
Application granted granted Critical
Publication of EP0221137B1 publication Critical patent/EP0221137B1/en
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
    • 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
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/2445—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members having additional means acting on the insulation or the wire, e.g. additional insulation penetrating means, strain relief means or wire cutting knives
    • H01R4/2466—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members having additional means acting on the insulation or the wire, e.g. additional insulation penetrating means, strain relief means or wire cutting knives the contact members having a channel-shaped part, the opposite sidewalls of which comprise insulation-cutting means

Definitions

  • the invention relates to electrical connectors of the type having a wire connecting portion providing a slot which receives a wire in an interference fit thereby to penetrate any insulation on the wire and establish permanent electrical connection to the wire core.
  • wire connecting portion is made from thin metal stock, it may be desirable to support the extensions to obviate the possibility of distortion or collapse by wire insertion.
  • the present invention consists in an electrical connector having a wire connecting portion of sheet metal formed into a channel section having channel walls and a base, where each said channel wall is provided with an axial extension bent inwardly across the channel base toward the axial center of said connector, and opposed edges of said extensions define therebetween a wire receiving slot, characterized in that the base is provided with a lateral slot underlying at least a portion of each said axial extension, and that each said axial extension contains a downwardly projecting lug seated in the lateral slot whereby to retain a wire inserted along the slot.
  • opposed edges of the lugs define therebetween a continuation of the wire receiving slot.
  • the connector is stamped and formed from a single piece of sheet metal stock and comprises a conventional tab receptacle contact portion 11 extending from a wire connecting portion 12 and a crimping portion 13.
  • the wire connecting portion 12 is of channel section, opposite sidewalls 14,14' of which are bent up from a base wall 15 and provided at opposite axial ends with axial extensions 16,16' and 17,17' respectively which are bent inwardly towards each other across the basewall so that their free, opposed ends define between them wire receiving slots 18 and 19, respectively.
  • Lugs 21,21' extend respectively from the bottom edges of the extensions 16,16' and are trapped in a slot 22 which extends transversely across the base wall 15, opposed edges of the lugs 21,21' providing a continuation of the wire receiving slot.
  • a wire can be inserted completely along the slot 18 until it abuts against the base wall 15 where the slot edges will prevent any wire strands escaping from the slot.
  • the integrity of the connector may be improved.

Landscapes

  • Multi-Conductor Connections (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

An electrical connector includes a wire connecting portion (12) of sheet metal formed into channel section, the channel walls being provided with axial extensions (16, 16') bent inwardly towards each other so that their free, opposed edges define between them a wire receiving slot (18). Lugs (21, 21') are provided on respctive extensions (16, 16') between them defining a continuation of the slot (18). The base is formed with a slot (22) in which lugs (21, 21') are trapped so that opposed edges of the slot (22) provide a stop surface extending across the wire receiving slot (18) to trap wire therein.

Description

  • The invention relates to electrical connectors of the type having a wire connecting portion providing a slot which receives a wire in an interference fit thereby to penetrate any insulation on the wire and establish permanent electrical connection to the wire core.
  • It is well known, in connectors of this type, for the wire connecting portions to be made of sheet metal stock formed into channel section, axial extensions of the channel walls being bent inwardly towards each other across the channel base transversely of channel axis so that their free, opposed ends define between them the wire receiving slots. Such a connector is disclosed in GB-A-614,897.
  • However, problems may arise particularly with the use of stranded or fine wires which may escape from the slot into any clearance between the axial extensions and the base with deterioration or loss of the electrical connection.
  • In addition, where the wire connecting portion is made from thin metal stock, it may be desirable to support the extensions to obviate the possibility of distortion or collapse by wire insertion.
  • It is an object of the present invention to provide an electrical connector which overcomes these problems associated with known electrical connectors of this type.
  • Accordingly, the present invention consists in an electrical connector having a wire connecting portion of sheet metal formed into a channel section having channel walls and a base, where each said channel wall is provided with an axial extension bent inwardly across the channel base toward the axial center of said connector, and opposed edges of said extensions define therebetween a wire receiving slot, characterized in that the base is provided with a lateral slot underlying at least a portion of each said axial extension, and that each said axial extension contains a downwardly projecting lug seated in the lateral slot whereby to retain a wire inserted along the slot.
  • Preferably, opposed edges of the lugs define therebetween a continuation of the wire receiving slot.
  • Individual strands of wire may therefore be pushed to the bottom of the wire receiving slot into abutment with the base which will prevent their escape from the slot and ensure a reliable permanent electrical connection.
  • An example of an electrical connector according to the invention will now be described with reference to the accompanying drawings in which:
    • Figure 1 is a perspective view of the connector;
    • Figure 2 is a cross-sectional view taken along line 2-2 of Figure 1; and,
    • Figure 3 is a fragmentary underplan of the connector.
  • The connector is stamped and formed from a single piece of sheet metal stock and comprises a conventional tab receptacle contact portion 11 extending from a wire connecting portion 12 and a crimping portion 13.
  • The wire connecting portion 12 is of channel section, opposite sidewalls 14,14' of which are bent up from a base wall 15 and provided at opposite axial ends with axial extensions 16,16' and 17,17' respectively which are bent inwardly towards each other across the basewall so that their free, opposed ends define between them wire receiving slots 18 and 19, respectively.
  • Lugs 21,21' extend respectively from the bottom edges of the extensions 16,16' and are trapped in a slot 22 which extends transversely across the base wall 15, opposed edges of the lugs 21,21' providing a continuation of the wire receiving slot.
  • In use of the connector, a wire can be inserted completely along the slot 18 until it abuts against the base wall 15 where the slot edges will prevent any wire strands escaping from the slot. In addition, as the lugs are trapped in the slot, the integrity of the connector may be improved.

Claims (3)

  1. An electrical connector having a wire connecting portion (12) of sheet metal formed into a channel section having channel walls (14,14') and a base (15), where each said channel wall (14,14') is provided with an axial extension (16,16') bent inwardly across the channel base (15) toward the axial center of said connector, and opposed edges of said extensions (16,16') define therebetween a wire receiving slot (18), characterized in that the base (15) is provided with a lateral slot (22) underlying at least a portion of each said axial extension (16,16'), and that each said axial extension (16,16') contains a downwardly projecting lug (21,21') seated in the lateral slot (22) whereby to retain a wire inserted along the slot (18).
  2. An electrical connector as claimed in claim 1, wherein opposed edges of said lugs (21,21') define therebetween a continuation of the wire receiving slot (18).
  3. An electrical connector as claimed in claim 1 or 2, wherein said lugs (21,21') extend respectively from bottom edges of said axial extensions (16,16').
EP19860903016 1985-04-30 1986-04-22 Connector with wire receiving slot Expired EP0221137B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8506559A FR2581259B1 (en) 1985-04-30 1985-04-30 ELECTRICAL CONNECTOR WITH WIRE RECEPTION SLOT
FR8506559 1985-04-30

Publications (2)

Publication Number Publication Date
EP0221137A1 EP0221137A1 (en) 1987-05-13
EP0221137B1 true EP0221137B1 (en) 1991-11-21

Family

ID=9318823

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19860903016 Expired EP0221137B1 (en) 1985-04-30 1986-04-22 Connector with wire receiving slot

Country Status (4)

Country Link
EP (1) EP0221137B1 (en)
DE (1) DE3682566D1 (en)
FR (1) FR2581259B1 (en)
WO (1) WO1986006552A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2604565B1 (en) * 1986-09-30 1990-02-09 Amp France ELECTRICAL CONNECTOR AND TERMINAL FOR THIS CONNECTOR
FR2656469B1 (en) * 1989-12-27 1994-04-08 Francelco ELECTRIC CONTACT TERMINAL AND CONNECTOR INCLUDING APPLICATION.
FR2675953B1 (en) * 1991-04-26 1993-07-02 Entrelec Sa CONNECTION ARRANGEMENT FOR ELECTRIC WIRES AND CONNECTION PIECE FOR SUCH AN ARRANGEMENT.
JP3225861B2 (en) * 1996-12-02 2001-11-05 住友電装株式会社 Terminal fitting
US6296513B1 (en) 2000-05-17 2001-10-02 Tyco Electronics Amp, K.K. Electrical terminal for terminating at least two wires therein
EP1158609A1 (en) * 2000-05-26 2001-11-28 The Whitaker Corporation Electrical terminal

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB614897A (en) * 1946-08-12 1948-12-23 Henry Collin Durrant Improvements in or relating to electric terminal connectors
US3926498A (en) * 1972-09-14 1975-12-16 Bunker Ramo Electrical connector and insulation-piercing contact member
FR2412962A1 (en) * 1977-12-22 1979-07-20 Socapex CONTACT ELEMENT FOR SELF-STRIPPING CONNECTOR, AND CONNECTOR EQUIPPED WITH SUCH A CONTACT ELEMENT

Also Published As

Publication number Publication date
FR2581259B1 (en) 1987-10-09
WO1986006552A1 (en) 1986-11-06
DE3682566D1 (en) 1992-01-02
FR2581259A1 (en) 1986-10-31
EP0221137A1 (en) 1987-05-13

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