GB1592353A - Electrical connector and modular harness - Google Patents

Electrical connector and modular harness Download PDF

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Publication number
GB1592353A
GB1592353A GB45452/76A GB4545276A GB1592353A GB 1592353 A GB1592353 A GB 1592353A GB 45452/76 A GB45452/76 A GB 45452/76A GB 4545276 A GB4545276 A GB 4545276A GB 1592353 A GB1592353 A GB 1592353A
Authority
GB
United Kingdom
Prior art keywords
contact
housing
arm
cavities
connector
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
GB45452/76A
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
Priority to GB45452/76A priority Critical patent/GB1592353A/en
Priority to NL7710926A priority patent/NL7710926A/en
Priority to AU29488/77A priority patent/AU513451B2/en
Priority to CA288,771A priority patent/CA1081812A/en
Priority to IT28751/77A priority patent/IT1091059B/en
Priority to BR7707236A priority patent/BR7707236A/en
Priority to FR7732562A priority patent/FR2369697A1/en
Priority to ES463708A priority patent/ES463708A1/en
Priority to MX171158A priority patent/MX146439A/en
Priority to JP12980177A priority patent/JPS5357485A/en
Priority to BE182256A priority patent/BE860366A/en
Priority to SE7712406A priority patent/SE427975B/en
Priority to DE19772749055 priority patent/DE2749055A1/en
Publication of GB1592353A publication Critical patent/GB1592353A/en
Expired legal-status Critical Current

Links

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
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/722—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/75—Coupling devices for rigid printing circuits or like structures connecting to cables except for flat or ribbon cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/77—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/81—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures connecting to another cable except for flat or ribbon cable

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Insulated Conductors (AREA)
  • Manufacturing Of Electrical Connectors (AREA)

Description

(54) ELECTRICAL CONNECTOR AND MODULAR HARNESS (71) We, AMP INCORPORATED, a corporation organised and existing under the laws of the state of New Jersey, United States of America, of Eisenhower Boulevard, Harrisburg, Pennsylvania, United States of America, do hereby declare the invention, for which we pray that a patent may be granted to us, and the method by which it is to be performed, to be particularly described in and by the following statement: The invention relates to electrical connectors and modular electrical harnesses including such connectors.
According to the invention, an electrical connector for a modular harness comprises an elongate insulating housing having a wire connecting face oppositely directed to an elongate contact face and a series of cavities communicating with the oppositely directed faces, a slot extending longitudinally of the contact face in lateral communication with each cavity and opening to the contact face; electrical terminals retained in respective cavities, each terminal being stamped and formed from a single piece of sheet metal and comprising a wire connecting portion and a contact portion extending in opposite directions, the contact portions being arranged and adapted for connection alternativelv to a printed circuit board received in a slot or to tabs inserted into the housing at the contact face each contact portion comprising two spring arms extending in the same direction and converging towards their free ends which have contact surfaces on two opposed sides so that the arms will grip a tab inserted between the contact surfaces, one arm being bent away from the other arm intermediate its ends, the opposite side of the arm at the bend having a contact surface protruding into the slot for connection to the printed circuit board.
Thus, connectors of the same con traction can be used to connect to the conventional tab contacts or to printed circuits which are proposed with increasing ferquency for example for instrument panels of automobiles. A printed circuit may be the edge of a rigid printed circuit board or an equivalent defined by a flexible printed circuit supported by a rigid strip.
Where connection is to be made to a printed circuit board or ribbon cable in which the adjacent circuit paths or conductors are closely spaced, a problem arises in providing sufficient clearance between the adjacent terminals to avoid short circuits.
According to a preferred example of the invention, the connector is provided with two parallel rows of cavities, the cavities in one row being longitudinally offset from the cavities in the other row so that the terminals of respective rows are in staggered relation.
This permits the pitch of the terminals to be reduced to that of the circuit paths or conductors of the printed circuit board and ribbon cable without short circuits oc curring. It also allows terminals of greater width, lengthwise of the row, than in a single row case so that the mechanical and electrical requirements of the terminals can more readily be accommodated.
Preferably, the free ends of the arms are arranged to be brought into abutment during engagement of the one arm with a printed circuit so that the other arm provides a back-up spring.
An example of the invention will now be described with reference to the accompanying drawings in which: Figure 1 is an exploded view partly in cross-section of a connector not forming part of the invention but shown for purpose of explanation; Figure 2 is a perspective view of a terminal of the connector of Figure 1 but with a modified wire connecting portion; Figure 3 is a fragmentary cross-sectional view of a contact face of the connector of Figure 1, showing two modes of use; Figure 4 is a rear perspective view of an example of terminal of a connector according to the invention; Figure 5 is a cross-sectional view of the terminal of Figure 4; Figure 6 is a front perspective view of the terminal of Figure 4; and Figure 7 is a fragmentary view of the contact face of the connector of the invention showing two modes of use.
The connector of Figure 1 comprises a housing base 11 and cover 12 moulded of plastics material with two rows of cavities 14 and 15, retaining terminals 16 and 17, the cavities of one row being longitudinally offset from the cavities of the other row so that the associated terminals are located in staggered relation. A slot 19 bisects longitudinally a contact face of the housing to communicate laterally with each cavity. Tab receiving slots 21 which open to the contact face are formed in the longitudinally walls of the housing communicating with each cavity and in correspondingly staggered relation.
Each terminal 16 is stamped and formed from a single piece of sheet metal stock and comprises a box-like body portion 22 from opposite ends of which extend a tablike male wire connecting portion 23 and a contact portion 24 respectively. The contact portion comprises a pair of spring arms which extend from opposite sides of the body portion and converge towards their free ends which are formed with oppositely curved contact faces 25. The body portion is located in the housing with the wire connecting portion 23 at a wire connecting face and the contact portion 24 at the contact face by co-operation with ribs and shoulders 27 and 28 formed on the cavity walls and a locking lance 29 is struck out from at least one wall of the body portion for cooperation with a locking abutment (not shown) wormed on a cavity wall.
The terminal 17 comprises a tabreceiving wire connecting portion 31 and an anchoring portion 32 having teeth 33.
Instead of teeth, the anchoring portion may have opposite sides rolled over to form a split part-tubular spring received as an interference fit in a cavity 15.
The cover can be applied to the base to engage the tab in the socket and connect to insulated wires located between them as described in our GB patent (Serial No.
1528971). Alternatively, as in other examples the tab 23 may be replaced by a conventional crimping ferrule 34 (Figure 2) and the cover 12 and terminal 17 omitted.
After connection to the wires, the connector can be connected either to a printed circuit board or a flexible etched circuit 35 supported on a rib 36 and inserted into the longitudinal slot 19 or to tabs 37 inserted into slots 21 as shown in Figure 3. In either case the non-contacting spring arm provides a back-up spring increasing the stiffness of the contact portion.
same save connector can therefore be used to make connection either to tabs 37 or to a printed circuit board, ( or flexible etched circuitry where suitably supported).
A particular application is in an automobile harness system (comprising a bundle of wires terminated at opposite ends by the connectors) where the same harness module can be used to interconnect the tabs or printed circuit board of a central junction box to the flexible etched circuitry of an instrument panel.
In the example of the invention, the connector housing and terminals are modified as shown in Figures 4 to 7. The contact portion 40 comprises contact spring arms 38 bent over from the free ends of the side walls and an opposed arm 39 is stuck from the base of a generally channel-shaped body portion, which arms converge at their free ends to grip between them a tab. The contact arm 39 is bent intermediate its ends to provide an outwardly protruding contact face 41 for connection to a printed circuit.
In this example, the arm 38 functions as a back-up spring when the supported flexible etched circuit is received in the housing slot.
An advantage of using this example of terminal is that the tabs can be more closely spaced together than with the previously described terminal and lie wholly within the insulating housing after connections, (especially important where the tabs extend from a central junction box of an automobile). In addition, an insulated connection is provided, the longitudinal walls of the housing being imperforate.
WHAT WE CLAIM IS: - 1. An electrical connector for a modular harness comprising an elongate insulating housing having a wire connecting face oppositely directed to an elongate contact face and a series of cavities communicating with the oppositely directed faces, a slot extending longitudinally of the contact face in lateral communication with each cavity and opening to the contact face; electrical terminals retained in respective cavities, each terminal being stamped and formed from a single piece of sheet metal and comprising a wire connecting portion and a contact portion extending in opposite directions, the contact portions being arranged and adapted for connection alternatively to a printed circuit board received in the slot or to tabs inserted into the housing at the contact face each contact portion comprising two spring arms extending in the same direction and converging towards their free ends which have contact surfaces on two opposed sides so that the arms will grip a tab inserted between the contact surfaces, one arm being bent away from the other arm intermediate its ends, the opposite side of the arm at the bend having a contact surface protruding into the slot
**WARNING** end of DESC field may overlap start of CLMS **.

Claims (5)

  1. **WARNING** start of CLMS field may overlap end of DESC **.
    the terminal of Figure 4; and Figure 7 is a fragmentary view of the contact face of the connector of the invention showing two modes of use.
    The connector of Figure 1 comprises a housing base 11 and cover 12 moulded of plastics material with two rows of cavities
    14 and 15, retaining terminals 16 and 17, the cavities of one row being longitudinally offset from the cavities of the other row so that the associated terminals are located in staggered relation. A slot 19 bisects longitudinally a contact face of the housing to communicate laterally with each cavity. Tab receiving slots 21 which open to the contact face are formed in the longitudinally walls of the housing communicating with each cavity and in correspondingly staggered relation.
    Each terminal 16 is stamped and formed from a single piece of sheet metal stock and comprises a box-like body portion 22 from opposite ends of which extend a tablike male wire connecting portion 23 and a contact portion 24 respectively. The contact portion comprises a pair of spring arms which extend from opposite sides of the body portion and converge towards their free ends which are formed with oppositely curved contact faces 25. The body portion is located in the housing with the wire connecting portion 23 at a wire connecting face and the contact portion 24 at the contact face by co-operation with ribs and shoulders 27 and 28 formed on the cavity walls and a locking lance 29 is struck out from at least one wall of the body portion for cooperation with a locking abutment (not shown) wormed on a cavity wall.
    The terminal 17 comprises a tabreceiving wire connecting portion 31 and an anchoring portion 32 having teeth 33.
    Instead of teeth, the anchoring portion may have opposite sides rolled over to form a split part-tubular spring received as an interference fit in a cavity 15.
    The cover can be applied to the base to engage the tab in the socket and connect to insulated wires located between them as described in our GB patent (Serial No.
    1528971). Alternatively, as in other examples the tab 23 may be replaced by a conventional crimping ferrule 34 (Figure 2) and the cover 12 and terminal 17 omitted.
    After connection to the wires, the connector can be connected either to a printed circuit board or a flexible etched circuit 35 supported on a rib 36 and inserted into the longitudinal slot 19 or to tabs 37 inserted into slots 21 as shown in Figure 3. In either case the non-contacting spring arm provides a back-up spring increasing the stiffness of the contact portion.
    same save connector can therefore be used to make connection either to tabs 37 or to a printed circuit board, ( or flexible etched circuitry where suitably supported).
    A particular application is in an automobile harness system (comprising a bundle of wires terminated at opposite ends by the connectors) where the same harness module can be used to interconnect the tabs or printed circuit board of a central junction box to the flexible etched circuitry of an instrument panel.
    In the example of the invention, the connector housing and terminals are modified as shown in Figures 4 to 7. The contact portion 40 comprises contact spring arms 38 bent over from the free ends of the side walls and an opposed arm 39 is stuck from the base of a generally channel-shaped body portion, which arms converge at their free ends to grip between them a tab. The contact arm 39 is bent intermediate its ends to provide an outwardly protruding contact face 41 for connection to a printed circuit.
    In this example, the arm 38 functions as a back-up spring when the supported flexible etched circuit is received in the housing slot.
    An advantage of using this example of terminal is that the tabs can be more closely spaced together than with the previously described terminal and lie wholly within the insulating housing after connections, (especially important where the tabs extend from a central junction box of an automobile). In addition, an insulated connection is provided, the longitudinal walls of the housing being imperforate.
    WHAT WE CLAIM IS: - 1. An electrical connector for a modular harness comprising an elongate insulating housing having a wire connecting face oppositely directed to an elongate contact face and a series of cavities communicating with the oppositely directed faces, a slot extending longitudinally of the contact face in lateral communication with each cavity and opening to the contact face; electrical terminals retained in respective cavities, each terminal being stamped and formed from a single piece of sheet metal and comprising a wire connecting portion and a contact portion extending in opposite directions, the contact portions being arranged and adapted for connection alternatively to a printed circuit board received in the slot or to tabs inserted into the housing at the contact face each contact portion comprising two spring arms extending in the same direction and converging towards their free ends which have contact surfaces on two opposed sides so that the arms will grip a tab inserted between the contact surfaces, one arm being bent away from the other arm intermediate its ends, the opposite side of the arm at the bend having a contact surface protruding into the slot
    for connection to the printed circuit board.
  2. 2. An electrical connector acording to claim 1 in which the free ends of the contact arms are arranged to be brought into abutment during engagement of the one arm with the printed circuit so that the other arm provides a back-up spring.
  3. 3. An electrical connector according to claim 1 or claim 2 in which there are two parallel rows of cavities arranged on opposite sides of the slot respectively, the cavities in one row being longitudinally offset from the cavities in the other row so that the terminals of respective rows are in staggered relation.
  4. 4. An electronic connector substantially as described with reference to Figures 4 to 7 of the acompanying drawings.
  5. 5. A modular electrical harness including a bundle of wires terminated at opposite ends by electrical connectors according to any one of the preceding claims.
GB45452/76A 1976-11-02 1976-11-02 Electrical connector and modular harness Expired GB1592353A (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
GB45452/76A GB1592353A (en) 1976-11-02 1976-11-02 Electrical connector and modular harness
NL7710926A NL7710926A (en) 1976-11-02 1977-10-05 ELECTRICAL WIRING BEAM AND ELECTRICAL CONNECTING DEVICES AND CONNECTORS FOR SUCH WIRING BUNDLES.
AU29488/77A AU513451B2 (en) 1976-11-02 1977-10-07 Electrical connector
CA288,771A CA1081812A (en) 1976-11-02 1977-10-14 Electrical connector for a modular harness
IT28751/77A IT1091059B (en) 1976-11-02 1977-10-18 MODULAR ELECTRICAL WIRING AND RELATED ELECTRIC AND TERMINAL CONNECTOR
BR7707236A BR7707236A (en) 1976-11-02 1977-10-27 IMPROVEMENT IN MODULAR ELECTRICAL EQUIPMENT, IN ELECTRIC CONNECTOR AND IN TERMINAL FOR ELECTRIC CONNECTOR
FR7732562A FR2369697A1 (en) 1976-11-02 1977-10-28 MODULAR ELECTRICAL WIRING
ES463708A ES463708A1 (en) 1976-11-02 1977-10-29 Electrical connector and modular harness
MX171158A MX146439A (en) 1976-11-02 1977-10-31 IMPROVED ELECTRICAL CONNECTOR FOR ELECTRICAL WIRING HARNESSES
JP12980177A JPS5357485A (en) 1976-11-02 1977-10-31 Electric harness and electric connector and terminal therefor
BE182256A BE860366A (en) 1976-11-02 1977-10-31 MODULAR ELECTRICAL WIRING
SE7712406A SE427975B (en) 1976-11-02 1977-11-02 ELECTRICAL CONNECTOR
DE19772749055 DE2749055A1 (en) 1976-11-02 1977-11-02 ELECTRICAL WIRING HARNESS AND CONNECTORS AND CONNECTORS THEREFOR

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB45452/76A GB1592353A (en) 1976-11-02 1976-11-02 Electrical connector and modular harness

Publications (1)

Publication Number Publication Date
GB1592353A true GB1592353A (en) 1981-07-08

Family

ID=10437257

Family Applications (1)

Application Number Title Priority Date Filing Date
GB45452/76A Expired GB1592353A (en) 1976-11-02 1976-11-02 Electrical connector and modular harness

Country Status (13)

Country Link
JP (1) JPS5357485A (en)
AU (1) AU513451B2 (en)
BE (1) BE860366A (en)
BR (1) BR7707236A (en)
CA (1) CA1081812A (en)
DE (1) DE2749055A1 (en)
ES (1) ES463708A1 (en)
FR (1) FR2369697A1 (en)
GB (1) GB1592353A (en)
IT (1) IT1091059B (en)
MX (1) MX146439A (en)
NL (1) NL7710926A (en)
SE (1) SE427975B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2148616A (en) * 1983-10-19 1985-05-30 Gen Electric Plc Electric socket connectors

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES470309A1 (en) * 1977-06-03 1979-09-16 Amp Inc Electric connecting element
FR2413804A1 (en) * 1977-12-28 1979-07-27 Souriau & Cie Connector with spring contact fingers at one end - has automatic insulation stripping jaws at other end for gripping inserted wire
DE2962447D1 (en) * 1978-08-07 1982-05-19 Du Pont Electrical terminal and connector incorporating the same
JPS62147608A (en) * 1985-12-23 1987-07-01 矢崎総業株式会社 Wiring harness

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB796964A (en) * 1955-12-05 1958-06-25 Gen Electric Co Ltd Improvements in or relating to electrical socket connectors
FR1141748A (en) * 1956-02-22 1957-09-06 Power socket, usable with plugs of different characteristics
BE567613A (en) * 1958-02-20
FR1354688A (en) * 1962-05-17 1964-03-06 Elco Corp Contact that can receive a card or a plate
US3173737A (en) * 1963-08-05 1965-03-16 Amp Inc Connector with tab terminal latching means
US3448345A (en) * 1967-06-08 1969-06-03 Amp Inc Interconnection system
FR1537908A (en) * 1967-07-19 1968-08-30 Cit Alcatel Electrical connection device
US3543217A (en) * 1968-06-25 1970-11-24 Heyman Mfg Co Multipurpose electric receptacle fitting and receptacle
US3732525A (en) * 1971-03-26 1973-05-08 Amp Inc Electrical contact terminal and connector
IL43364A (en) * 1972-10-13 1976-01-30 Bunker Ramo Panel board electrical connector
US3995929A (en) * 1974-11-05 1976-12-07 General Motors Corporation Female terminal
US4033658A (en) * 1976-02-27 1977-07-05 Amp Incorporated Connector assembly accepting different size post contacts therein

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2148616A (en) * 1983-10-19 1985-05-30 Gen Electric Plc Electric socket connectors

Also Published As

Publication number Publication date
NL7710926A (en) 1978-05-05
MX146439A (en) 1982-06-28
BR7707236A (en) 1978-07-18
IT1091059B (en) 1985-06-26
JPS5357485A (en) 1978-05-24
CA1081812A (en) 1980-07-15
ES463708A1 (en) 1979-01-01
FR2369697B1 (en) 1982-04-09
FR2369697A1 (en) 1978-05-26
BE860366A (en) 1978-05-02
AU513451B2 (en) 1980-12-04
SE7712406L (en) 1978-05-02
SE427975B (en) 1983-05-24
DE2749055A1 (en) 1978-05-11
AU2948877A (en) 1979-04-12

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PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee