US3533044A - Electrical connecting device - Google Patents

Electrical connecting device Download PDF

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Publication number
US3533044A
US3533044A US737644A US73764468A US3533044A US 3533044 A US3533044 A US 3533044A US 737644 A US737644 A US 737644A US 73764468 A US73764468 A US 73764468A US 3533044 A US3533044 A US 3533044A
Authority
US
United States
Prior art keywords
fork
panelboard
terminal
housing
electrical
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
US737644A
Other languages
English (en)
Inventor
Alvin H Bauman
John T Kolias
Andrew Russin
Paul L Smith
William K Springfield
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Priority to US737644A priority Critical patent/US3533044A/en
Priority to FR6910805A priority patent/FR2011031A1/fr
Priority to BE731793D priority patent/BE731793A/xx
Priority to ES367498A priority patent/ES367498A1/es
Priority to JP4174969A priority patent/JPS4638228B1/ja
Priority to GB28251/69A priority patent/GB1256175A/en
Priority to SE08050/69A priority patent/SE363026B/xx
Priority to CH862869A priority patent/CH488374A/de
Priority to DE19691928775 priority patent/DE1928775C3/de
Priority to NL6908938.A priority patent/NL161331C/xx
Application granted granted Critical
Publication of US3533044A publication Critical patent/US3533044A/en
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
    • 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
    • H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/716—Coupling device provided on the PCB
    • 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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H01R13/6594—Specific features or arrangements of connection of shield to conductive members the shield being mounted on a PCB and connected to conductive members
    • 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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H01R13/6596—Specific features or arrangements of connection of shield to conductive members the conductive member being a metal grounding panel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
    • H01R25/14—Rails or bus-bars constructed so that the counterparts can be connected thereto at any point along their length
    • H01R25/147—Low voltage devices, i.e. safe to touch live conductors
    • 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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/64—Means for preventing incorrect coupling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/28—Terminal boards

Definitions

  • the assembly panelboard comprises a molded plastic housing with a pair of fork-type connectors attached with the conductors of an electrical cable and then inserted into the connector housing. The housing is then in readiness for making a pluggable connection with a terminal pin and ground rail aflixed to the printed circuit board.
  • This invention relates to disengageable electrical connectors for connecting cable conductors to the terminal means of a panelboard, printed circuit board or the like.
  • the electrical connecting device of the present invention overcomes certain well-known disadvantages of prior construction and includes the features and advantages of providing a good disengageable electrical connector assembly enabling the connecting of wires of a cable with the terminal means of a printed circuit board or the like.
  • the electrical connecting device comprises a molded plastic housing having twin longitudinal cavities. The lower end of one cavity has a terminal pin entrance portion while the lower end of the second cavity has a. slotted rail receiving portion. The upper ends of the cavities are adapted to receive a pair of fork-type spring connectors which have been attached to the conductor element of an electrical cable in side-by-side relationship.
  • the housing is provided with locking means such that outer side projections on the fork tines will engage therewith and be held in the housing.
  • the inner sides of the fork tines are adapted to engage and make electrical Contact with the conductor elements of a panelboard or printed circuit board.
  • the housing assembly when mounted on a circuit board, will receive a terminal pin in the terminal pin receiving portion and a flat ground conductor rail in the rail receiving portion.
  • a feature of the instant device is that it enables a high performance wiring system. It is particularly adapted for the printed circuit art. It facilitates the connection of multi-wire fiat cable, tri-lead cable or coaxial cable wires and the like. It permits a low-cost method of terminating the wires. It provides a low-cost housing. It is provided nited States Patent O ice with cable termination means which may be latched into the housing to prevent unintentional removal therefrom. Further, the use of a pin and rail polarizes the connection and prevents unintentional grounding of the signal wir It is a primary object of the invention to provide an improved electrical connecting device for connecting cable conductors with the terminal means of a printed circuit board.
  • FIG. 1 is a fragmentary perspective view showing a portion of a printed panelboard having terminal pins and ground rails extending therefrom and illustrating two arrangements for attaching the connecting devices with the terminal means of the printed panelboard in accordance with the invention
  • FIG. 2 is a cross-sectional view showing a connector housing in accordance with the instant invention with fork-type terminals mounted on a terminal pin and ground rail;
  • FIG. 3 is a top view of a connector housing and show ing the fork-type terminals as mounted in a side-by-side manner;
  • FIG. 4 is a top view of an alternative embodiment of a connector housing and showing two pairs of fork-type terminals mounted in back-to-back and side-by-side arrangement;
  • FIG. 5 is a side sectional view taken along lines 5-5 of FIG. 2 showing a fork-type terminal mounted in the housing.
  • FIG. 1 there is shown, in accordance with the present invention, a portion of a panelboard 10 having a plurality of terminal pins 11 mounted in rows thereon.
  • the ground conductor rails 12 and 13 are located between the pin rows as shown.
  • the connector assembly of the present invention functions as an electrical connecting means for connecting the electrical conductive elements of cables to the terminal connectors on a panelboard.
  • the connector assembly of the present invention which is adapted to be disengageably mounted on a pin 11 and ground conductor rail 12 or 13, comprises a molded plastic housing 14 having twin longitudinal cavities 15 and 16.
  • the lower end of cavity 16 has a square terminal pin entrance portion 17 while the lower end of cavity 15 has a slotted rail receiving portion 18. While in the showing of th preferred embodiment a square terminal pin entrance portion 17 is shown, it may be pointed out that another shaped hole such as a round or oval may be used in conjunction with a square pin 11 or a round pin (not shown) Without departing from the spirit of the invention.
  • the upper ends of the cavities 15 and 16 are adapted to receive a pair of fork-type spring connectors 20 which have been attached to the ends of the conductor elements of an electrical cable 21 in side-by-side relationship.
  • the housing 14 is provided with locking apertures 22 such that the outer side projections 20a of the fork tines will engage therewith and be held in the housing 14.
  • the inner sides 20b of the fork tines are adapted to engage in straddling relationship and make electrical contacts with the terminal pin 11 of panelboard 10.
  • the housing assembly when mounted on a circuit board will receive a pin 11 in the terminal pin receiving portion 17 and a flat ground conductor rail 12 or 13 in the rail receiving slot 18.
  • ground conductor rails 12 and 13 are of different height with respect to the surface of the panelboard 10. Consequently, the space, if any, between a housing assembly 14 and the circuit board 10 is controlled by the height of the ground conductor rails 12 or 13. Consequently, connections may be provided between the terminal pin 11 in the region between the connector assemblies 14 and the panelboard 10 wherein the conductors 24 are connected by welded or wrap-type connections.
  • the panelboard 10 make-up may optionally be an arrangement having rows of terminal pins 11 with a single ground conductor rail between the adjacent rows of terminal pins 11 or an arrangement having rows of terminal pins 11 with a U-shaped ground conductor rail between the adjacent rows of terminal pins so as to accommodate the disengageable mounting of housings 14 to the panelboard 10 in a side-by-side manner.
  • a large number of connections can be made with any panelboard 10.
  • Other arrangements are conceivable without departing from the spirit of the invention.
  • the connector assembly of the instant invention is a pluggable electrical connect and disconnect means for connecting twin-lead cables comprising a signal and ground conductor with a panelboard; tri-lead cables comprising three dissimilar parallel conductors in a predetermined space relationship, not necessarily symmetrical, and wherein the outer conductors are of a larger size functioning as ground wires and the center conductor is of a smaller size functioning as the signal conductor; and coaxial cables having a concentrically arranged signal conductor surrounded by a layer of insulation, a ground shield and possibly another layer of insulation.
  • the tri-lead and coaxial cables may very desirably possess transmission line characteristics.
  • Each fork-type terminal is crimped to a conductor 25 by means of a pair of crimped connections 26 and 27, with the fork-type terminal 20 being secured to the signal element 25a of the wire by a crimp 26 and to the insulated sheath or layer of the wire by means of crimp 27.
  • the fork-type terminals 20 comprise an elongated fiat portion having a slot extending axially inward from its end with the inner portion of the slot being approximately equal to the width of a panelboard terminal pin 11.
  • Inwardly directed contact projections 20b are provided on the opposed edges of the tines adjacent the ends thereof which are spaced relatively close together so that a pressure electrical contact will be established between the projections 20b and the terminal pin 11 when the fork-type terminals 20 are moved into straddling relationship when mounted on the terminal pins 11 of the panelboard 10.
  • FIG. 3 there is shown the plan view of an arrangement wherein a pair of fork-type terminals 20 are mounted within a housing 14 in side-by-side relationship.
  • the upper ends of the longitudinal cavities 15 and 16 have a cross-section which is sufficiently large to admit two pairs of fork-type terminals in side-by-side and backto-back relationship, as shown by the illustration of FIG. 4.
  • FIG. 5 is a cross-sectional view showing the connector housing 14 along the lines 55 of FIG. 2 and showing the alignment of a fork-type terminal as it is adapted to be connected with a terminal pin and ground rail. It may be noted that while only a single fork-type terminal 20 is shown, there is provided adequate space to receive the lower portion of another fork-type terminal 20 to enable a back-to-back relationship.
  • An electrical connector assembly comprising:
  • a molded plastic housing having twin longitudinal cavities, the lower end of one cavity having a terminal pin entrance portion and the other lower end having a rail receiving portion, the upper ends of the longitudinal cavities being adapted to receive said pair of fork-type spring connectors in side-by-side relationship;
  • An electrical connector assembly comprising:
  • a molded plastic housing having twin longitudinal cavities, the lower end of one cavity having a terminal pin entrance portion and the other lower end having a rail receiving portion,'the upper ends of the longitudinal cavities being adapted to receive said pair of fork-type spring connectors in side-by-side relationship;
  • An electrical connector assembly comprising:
  • a molded plastic housing having twin longitudinal cavities, the lower end of one cavity having a terminal pin entrance portion and the other lower end having a slotted rail receiving portion, the upper ends of the longitudinal cavities being adapted to receive at least a pair of fork-type spring connectors in sideby-side relationship;

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Multi-Conductor Connections (AREA)
US737644A 1968-06-17 1968-06-17 Electrical connecting device Expired - Lifetime US3533044A (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
US737644A US3533044A (en) 1968-06-17 1968-06-17 Electrical connecting device
FR6910805A FR2011031A1 (de) 1968-06-17 1969-04-17
BE731793D BE731793A (de) 1968-06-17 1969-04-21
ES367498A ES367498A1 (es) 1968-06-17 1969-05-21 Un dispositivo de conectador electrico.
JP4174969A JPS4638228B1 (de) 1968-06-17 1969-05-30
GB28251/69A GB1256175A (en) 1968-06-17 1969-06-04 Improvements in electrical connectors
SE08050/69A SE363026B (de) 1968-06-17 1969-06-06
CH862869A CH488374A (de) 1968-06-17 1969-06-06 Elektrische Steckverbindungsvorrichtung
DE19691928775 DE1928775C3 (de) 1968-06-17 1969-06-06 Gepolte Steckkontakt-Kupplung
NL6908938.A NL161331C (nl) 1968-06-17 1969-06-12 Verbindingssteker.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US737644A US3533044A (en) 1968-06-17 1968-06-17 Electrical connecting device

Publications (1)

Publication Number Publication Date
US3533044A true US3533044A (en) 1970-10-06

Family

ID=24964707

Family Applications (1)

Application Number Title Priority Date Filing Date
US737644A Expired - Lifetime US3533044A (en) 1968-06-17 1968-06-17 Electrical connecting device

Country Status (9)

Country Link
US (1) US3533044A (de)
JP (1) JPS4638228B1 (de)
BE (1) BE731793A (de)
CH (1) CH488374A (de)
ES (1) ES367498A1 (de)
FR (1) FR2011031A1 (de)
GB (1) GB1256175A (de)
NL (1) NL161331C (de)
SE (1) SE363026B (de)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3673542A (en) * 1970-06-17 1972-06-27 Ibm Connector assembly with tine skewing housing
FR2334267A1 (fr) * 1975-11-14 1977-07-01 Du Pont Dispositif de contact pour le raccordement d'un cable coaxial
FR2499775A1 (fr) * 1981-02-10 1982-08-13 Tokai Electric Wire Boite d'isolement pour dispositif connecteur de faisceaux de fils
EP0074205A1 (de) * 1981-08-24 1983-03-16 W.L. Gore & Associates, Inc. Verbinder für ein abgeschirmtes Koaxialkabel
DE3211714A1 (de) * 1982-03-30 1983-10-06 Siemens Ag Verfahren zur herstellung von zwillingsleitungen mit definiertem wellenwiderstand
US4491381A (en) * 1983-06-23 1985-01-01 Amp Incorporated Electrical panelboard connector
US4556275A (en) * 1983-06-23 1985-12-03 Amp Incorporated Electrical panelboard connector
US4627674A (en) * 1983-04-18 1986-12-09 Amp Incorporated Tri-lead connector
US4703983A (en) * 1986-02-07 1987-11-03 Edco, Inc. Apparatus for grounding an electronic module coupled to a terminal connecting block
US4755145A (en) * 1982-11-12 1988-07-05 Teradyne, Inc. Electrically connecting circuit board system
US4869676A (en) * 1981-09-11 1989-09-26 Amp Incorporated Connector assembly for use between mother and daughter circuit boards
US4917616A (en) * 1988-07-15 1990-04-17 Amp Incorporated Backplane signal connector with controlled impedance
US5035657A (en) * 1989-07-10 1991-07-30 Amp Incorporated Electrical connector for a data bus
DE9409317U1 (de) * 1994-06-08 1995-10-12 WECO Wester, Ebbinghaus GmbH & Co KG, 63452 Hanau Flachstecker
US6472599B2 (en) * 1998-09-08 2002-10-29 International Business Machines Corporation Arrangement for supplying power from a buss bar to a circuit board
US11502463B2 (en) * 2017-06-23 2022-11-15 Weidmuller Interface Gmbh & Co. Kg Connection apparatus with variable electrical connection between conductor terminals

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3683398D1 (de) * 1985-05-31 1992-02-27 Siemens Ag Vorrichtung zur verbindung von schirmungskappen mehrpoliger stecker mit der erdpotentialschicht einer verdrahtungsplatte.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2960674A (en) * 1956-09-14 1960-11-15 Gen Electric Multiphase power distributing apparatus
US3086074A (en) * 1961-02-13 1963-04-16 Malco Mfg Co Self-orientating terminal connectors
US3323099A (en) * 1965-07-14 1967-05-30 Philco Corp Electrical apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2960674A (en) * 1956-09-14 1960-11-15 Gen Electric Multiphase power distributing apparatus
US3086074A (en) * 1961-02-13 1963-04-16 Malco Mfg Co Self-orientating terminal connectors
US3323099A (en) * 1965-07-14 1967-05-30 Philco Corp Electrical apparatus

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3673542A (en) * 1970-06-17 1972-06-27 Ibm Connector assembly with tine skewing housing
FR2334267A1 (fr) * 1975-11-14 1977-07-01 Du Pont Dispositif de contact pour le raccordement d'un cable coaxial
FR2499775A1 (fr) * 1981-02-10 1982-08-13 Tokai Electric Wire Boite d'isolement pour dispositif connecteur de faisceaux de fils
EP0074205A1 (de) * 1981-08-24 1983-03-16 W.L. Gore & Associates, Inc. Verbinder für ein abgeschirmtes Koaxialkabel
US4869676A (en) * 1981-09-11 1989-09-26 Amp Incorporated Connector assembly for use between mother and daughter circuit boards
DE3211714A1 (de) * 1982-03-30 1983-10-06 Siemens Ag Verfahren zur herstellung von zwillingsleitungen mit definiertem wellenwiderstand
US4755145A (en) * 1982-11-12 1988-07-05 Teradyne, Inc. Electrically connecting circuit board system
US4627674A (en) * 1983-04-18 1986-12-09 Amp Incorporated Tri-lead connector
US4491381A (en) * 1983-06-23 1985-01-01 Amp Incorporated Electrical panelboard connector
US4556275A (en) * 1983-06-23 1985-12-03 Amp Incorporated Electrical panelboard connector
US4703983A (en) * 1986-02-07 1987-11-03 Edco, Inc. Apparatus for grounding an electronic module coupled to a terminal connecting block
US4917616A (en) * 1988-07-15 1990-04-17 Amp Incorporated Backplane signal connector with controlled impedance
US5035657A (en) * 1989-07-10 1991-07-30 Amp Incorporated Electrical connector for a data bus
DE9409317U1 (de) * 1994-06-08 1995-10-12 WECO Wester, Ebbinghaus GmbH & Co KG, 63452 Hanau Flachstecker
US6472599B2 (en) * 1998-09-08 2002-10-29 International Business Machines Corporation Arrangement for supplying power from a buss bar to a circuit board
US11502463B2 (en) * 2017-06-23 2022-11-15 Weidmuller Interface Gmbh & Co. Kg Connection apparatus with variable electrical connection between conductor terminals

Also Published As

Publication number Publication date
NL6908938A (de) 1969-12-19
SE363026B (de) 1973-12-27
BE731793A (de) 1969-10-01
NL161331C (nl) 1980-01-15
FR2011031A1 (de) 1970-02-27
JPS4638228B1 (de) 1971-11-10
CH488374A (de) 1970-03-31
ES367498A1 (es) 1971-04-16
DE1928775B2 (de) 1973-04-05
GB1256175A (en) 1971-12-08
DE1928775A1 (de) 1970-01-02
NL161331B (nl) 1979-08-15

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