US3711813A - Plug and socket connector for electric circuits - Google Patents

Plug and socket connector for electric circuits Download PDF

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US3711813A
US3711813A US00140046A US3711813DA US3711813A US 3711813 A US3711813 A US 3711813A US 00140046 A US00140046 A US 00140046A US 3711813D A US3711813D A US 3711813DA US 3711813 A US3711813 A US 3711813A
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socket
housing
plug
connector
support member
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US00140046A
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S Bryant
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Bryant Manufacturing Pty Ltd
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Bryant Manufacturing Pty Ltd
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    • 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
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces

Definitions

  • ABSTRACT A plug and socket connector for electric circuits, the connector being particularly adapted for use on motor vehicles, for connecting selected circuits of the motor vehicle into a trailing vehicle such as a caravan being towed by the motor vehicle.
  • the plug and socket of the connector each comprise a housing having interchangeable contact support members releasably secured therein with contact pins and contact sockets in one each of the support members.
  • the construction and arrangement of the components of the connector provides a simple and economical construction in which the principle components of the connector are moulded from a dielectric material and can be readily wired and assembled and in which when coupled, the plug and socket are protected from damage by road stones and grit.
  • PATENTEIJJM 16 I975 SHEET 2 OF 2 PLUG AND SOCKET CONNECTOR FOR ELECTRIC CIRCUITS
  • This invention relates to plug and socket connectors such as those described in Australian Patents 286,200 and 293,152 and the invention has been devised to provide a connector which is more economical to produce than .the known connectors referred to, and incorporate safety features not hitherto present in such connectors.
  • the lid of the socket half of the mentioned connectors may be damaged and maybe forced open by flying road stones thrown up by the vehicle wheels and instances have occurred where stones have jammed beneath the lid and held the lid open. This defeats the purpose of the registor incorporated in the lid of the connector of Patent No. 293,152 when the lid should be closed, and in any case it is desirable to protect the lid from the abrasive effect of road grit and stones.
  • the connector is a multipin connector comprising a plug having contacts mounted therein in predetermined spaced relationship from one another, and a socket having contacts mounted therein and positioned to register with the plug contacts whereby the plug and socket are coupled, characterized in that the plug and the socket each comprise housings and interchangeable contacts support members releasably secured one in each said housing each said support member having the pin or socket contacts mounted therein; each said housing being open at one side to receive said support member and having an aperture in the opposite side forming an inlet for contact leads; each said support member having an upstanding lug or lugs formed thereon to project above halves in a position to be coupled;
  • FIG. 2 is an exploded perspective view of the component of the socket half of the connector with the lid removed, the housing of this half having a guide plate secured thereon as a separate component;
  • FIG. 3 is a somewhat similar view of FIG. 2 of the socket half, but also showing the lid in open position and also showing the guide plate formed integrally with the housing;
  • FIG. 4 is an inverted plan view of the housing and guide plate of FIG. 2.
  • the housing I is formed as a unitary member from a suitable dielectric material. It is open at one side as indicated at 2 to receive a socket support member to be described and has an aperture 3 formed through the opposite side thereof forming an inlet for contact leads 4.
  • the aperture 3 extends through a duct 5, part of the wall of which is formed as a clamp support 6, and a clamp 7 is secured by screws 8 to the support 6 to firmly secure and support the leads 4.
  • a flexible cap 9 mounted on the leads 4 is snapped over the wall of the duct 5 and over the clamp.
  • the housing 1 has catch recesses I0 formed op positely, one in each side wall 11 thereof and also has mounting lugs 12 projected outwardly from the side walls 11 and downwardly and inwardly beneath the bottom wall 13 to form a shoulder 14 on each side of the bottom wall 13 to support a guide plate 15 which is adapted to be snapped over the shoulders 14 and which projects forwardly of the housing 1.
  • the guide plate 15 can be formed as an extension of the bottom wall 13, see FIG. 3.
  • the contact support member 16 is also formed as a unitary member from a suitable dielectric material. It comprises a body 17 having contact openings 18 formed therethrough in predetermined spaced relationship and as illustrated, seven such openings are provided the center opening being stepped down to be slightly out of alignment with the remainder. Mounting flanges 19 are formed one on each end of the body 17 and project therefrom in the same direction and are substantially parallel, and protruberances 20 formed one on each flange 19 are positioned to engage as catches in the holes 10 formed in the housing 1 when the member 16 is mounted in said housing, the flanges forming guides for the member 16 in the housing 1.
  • the body 17 also has contact isolating fins 21 formed thereon between the openings 18 which project therefrom substantially parallel to the flanges 19.
  • the lugs 22 on the support member 16 of the connector socket hingeably support a lid 23 and the lugs 22 of the support member 16 of the connector plug function as catches for engagement by the lid 23 to hold it open when the plug and socket are coupled.
  • the lid is biased by a spring 24 to close over the socket contacts when the plug and socket are uncoupled.
  • the arrangement of the lugs and lid are described in our prior Australian Patent No 286,200 and the lid has a resistor therein as described in our Patent No 293,152.
  • the housing I can take two forms, viz it is usable as a plug housing and a socket housing, and in this arrangement the socket housing has the plate secured thereon.
  • the housing 1 has the bottom wall 13 thereof extended as illustrated, this forms of housing is the socket housing and a separate housing formed without this extension is the plug housing.
  • the contact support member 16 is interchangeable in the housing 1 and is wired as a connector plug or a connector socket as desired.
  • the connector socket has the lid 23 mounted thereon.
  • the contact support member 16 in both cases is pushed into a housing 1 and the protuberances thereon snap into the catch recesses 10, the mounting flanges 19 on the member 16 acting as guides into the housing.
  • the arrangement described and illustrated provides a simple and economical construction for the plug and socket of a multi-pin electric connector, in which the components of the connector, with the exception of the pin and socket contacts, are moulded from a dielectric material and can be readily wired and assembled.
  • a multi-pin connector for electric circuits said connector comprising a plug having pin contacts mounted therein in predetermined spaced relationship from one another and a socket having socket contacts mounted therein and positioned to register with the pin contacts whereby the plug and socket are coupled, characterized in that the plug and the socket comprise housing and interchangeable contact support members, each member releasably secured in one said housing, each said support member having the pin or socket contacts mounted therein; each said housing being open at one side to receive said support member and havingan aperture in the opposite side forming an inlet for contact leads; each said support member having an upstanding lugor lugs formed thereon to project above the housing when the support member is inserted in the housing, the lugs on the support member of the socket having a lid hinged thereon adapted to close over the socket contacts when the plug and socket are uncoupled, the lugs on the support member of the plug forming lid holding catches for engagement by the lid when the plug and socket are coupled; said socket housing having an extended bottom wall forming a guide for the plug when
  • a connector according to claim 1 wherein the plug housing and the socket housing are identical and interchangeable, and wherein the extended bottom wall is formed by a separate plate secured to said socket housing.
  • each said support member comprises a body portion having openings formed therethrough in said desired spaced relationship and in which the contacts are mounted; mounting flanges formed one on each end of the body portion, said mounting flanges projecting from the body portion in the same direction and being substantially parallel, protuberances formed on the mounting flanges for engagement with corresponding recesses in the housing; and contact isolating fins formed on the body portion between the openings and projecting from the body portion substantially parallel to the flanges, said flanges forming guides for the support member in said housing.
  • a connector according to claim 1 wherein said extended bottom wall comprises an integral extension of t the bottom wall of said socket housing.

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  • Connector Housings Or Holding Contact Members (AREA)

Abstract

A plug and socket connector for electric circuits, the connector being particularly adapted for use on motor vehicles, for connecting selected circuits of the motor vehicle into a trailing vehicle such as a caravan being towed by the motor vehicle. The plug and socket of the connector each comprise a housing having interchangeable contact support members releasably secured therein with contact pins and contact sockets in one each of the support members. The construction and arrangement of the components of the connector provides a simple and economical construction in which the principle components of the connector are moulded from a dielectric material and can be readily wired and assembled and in which when coupled, the plug and socket are protected from damage by road stones and grit.

Description

United States Patent [191 Bryant [451 Jan. 16, 1973 1 PLUG AND SOCKET CONNECTOR FOR ELECTRIC CIRCUITS [75] Inventor: Stanley Bryant, New South Wales,
Australia [73] Assignee: Bryant Manufacturing Pty. Limited,
New South Wales, Australia [22] Filed: May 4, 1971 [211 Appl. No.: 140,046
[52] US. Cl. ..339/44 M, 339/65, 339/91 R [51] Int. Cl ..I-I0lr 13/44, HOlr 13/54 [58] Field of Search ..339/44, 43, 39, 75, 91, 176,
[56] References Cited UNITED STATES PATENTS 3,4l7,2l3 12/1968 Bryant ..339/44 M X 2,299,206 10/1942 Berg ..339/39 3,239,791 3/1966 Fyrk ..339/44 M FORElGN PATENTS OR APPLlCATlONS 1/1965 Netherlands ..339/91 R 286,200 2/1967 Australia ..339/91 R Primary Examiner-Robert L. Wolfe Assistant ExaminerTerrell P. Lewis Attorney-Howson and Howson [57] ABSTRACT A plug and socket connector for electric circuits, the connector being particularly adapted for use on motor vehicles, for connecting selected circuits of the motor vehicle into a trailing vehicle such as a caravan being towed by the motor vehicle. The plug and socket of the connector each comprise a housing having interchangeable contact support members releasably secured therein with contact pins and contact sockets in one each of the support members.
The construction and arrangement of the components of the connector provides a simple and economical construction in which the principle components of the connector are moulded from a dielectric material and can be readily wired and assembled and in which when coupled, the plug and socket are protected from damage by road stones and grit.
5 Claims, 4 Drawing Figures PATENTEDJANIBIQB 3.711.813
SHEET 1 OF 2 FIG.I
PATENTEIJJM 16 I975 SHEET 2 OF 2 PLUG AND SOCKET CONNECTOR FOR ELECTRIC CIRCUITS This invention relates to plug and socket connectors such as those described in Australian Patents 286,200 and 293,152 and the invention has been devised to provide a connector which is more economical to produce than .the known connectors referred to, and incorporate safety features not hitherto present in such connectors.
The development of printed circuits and prewired pins and sockets, frequently referred to as lock-in terminals which are made from comparatively light gauge sheet metal as opposed to the solid pins and substantially heavy gauge sockets previously used, for example, in the known connectors referred to have provided a means for reducing the cost of manufacturing the connectors, but their use has created a possibility that the connector halves can be wrongly connected together. In the mentioned Patents, one pin and its registering socket are offset from the remainder to ensure correct connection of the connector halves" and this precaution is effective for the pin and socket forms of these Patents, as the halves cannot be forced together with one half upside down." However, when com paratively light gauge pin and socket contacts 'are used the connectors can be forced together with one half upside down. Also it has been found that the lid of the socket half of the mentioned connectors may be damaged and maybe forced open by flying road stones thrown up by the vehicle wheels and instances have occurred where stones have jammed beneath the lid and held the lid open. This defeats the purpose of the registor incorporated in the lid of the connector of Patent No. 293,152 when the lid should be closed, and in any case it is desirable to protect the lid from the abrasive effect of road grit and stones.
The above shortcomings are overcome in the connector of the present invention and other advantages and improvements will also be set in the following description of a preferred embodiment.
According to the invention, the connector is a multipin connector comprising a plug having contacts mounted therein in predetermined spaced relationship from one another, and a socket having contacts mounted therein and positioned to register with the plug contacts whereby the plug and socket are coupled, characterized in that the plug and the socket each comprise housings and interchangeable contacts support members releasably secured one in each said housing each said support member having the pin or socket contacts mounted therein; each said housing being open at one side to receive said support member and having an aperture in the opposite side forming an inlet for contact leads; each said support member having an upstanding lug or lugs formed thereon to project above halves in a position to be coupled;
FIG. 2 is an exploded perspective view of the component of the socket half of the connector with the lid removed, the housing of this half having a guide plate secured thereon as a separate component;
FIG. 3 is a somewhat similar view of FIG. 2 of the socket half, but also showing the lid in open position and also showing the guide plate formed integrally with the housing;
FIG. 4 is an inverted plan view of the housing and guide plate of FIG. 2.
In the illustrated embodiment, the housing I is formed as a unitary member from a suitable dielectric material. It is open at one side as indicated at 2 to receive a socket support member to be described and has an aperture 3 formed through the opposite side thereof forming an inlet for contact leads 4. The aperture 3 extends through a duct 5, part of the wall of which is formed as a clamp support 6, and a clamp 7 is secured by screws 8 to the support 6 to firmly secure and support the leads 4. A flexible cap 9 mounted on the leads 4 is snapped over the wall of the duct 5 and over the clamp.
The housing 1 has catch recesses I0 formed op positely, one in each side wall 11 thereof and also has mounting lugs 12 projected outwardly from the side walls 11 and downwardly and inwardly beneath the bottom wall 13 to form a shoulder 14 on each side of the bottom wall 13 to support a guide plate 15 which is adapted to be snapped over the shoulders 14 and which projects forwardly of the housing 1. Alternatively, the guide plate 15 can be formed as an extension of the bottom wall 13, see FIG. 3.
The contact support member 16 is also formed as a unitary member from a suitable dielectric material. It comprises a body 17 having contact openings 18 formed therethrough in predetermined spaced relationship and as illustrated, seven such openings are provided the center opening being stepped down to be slightly out of alignment with the remainder. Mounting flanges 19 are formed one on each end of the body 17 and project therefrom in the same direction and are substantially parallel, and protruberances 20 formed one on each flange 19 are positioned to engage as catches in the holes 10 formed in the housing 1 when the member 16 is mounted in said housing, the flanges forming guides for the member 16 in the housing 1. The body 17 also has contact isolating fins 21 formed thereon between the openings 18 which project therefrom substantially parallel to the flanges 19.
A pair of lugs 22 formed integrally with the body 17 of the support member and upstanding therefrom, are adapted to project above the housing I when the support member 16 is mounted in the housing 1. The lugs 22 on the support member 16 of the connector socket hingeably support a lid 23 and the lugs 22 of the support member 16 of the connector plug function as catches for engagement by the lid 23 to hold it open when the plug and socket are coupled. The lid is biased by a spring 24 to close over the socket contacts when the plug and socket are uncoupled. The arrangement of the lugs and lid are described in our prior Australian Patent No 286,200 and the lid has a resistor therein as described in our Patent No 293,152.
From the foregoing it will be apparent that the housing I can take two forms, viz it is usable as a plug housing and a socket housing, and in this arrangement the socket housing has the plate secured thereon. Alternatively when the housing 1 has the bottom wall 13 thereof extended as illustrated, this forms of housing is the socket housing and a separate housing formed without this extension is the plug housing.
The contact support member 16 is interchangeable in the housing 1 and is wired as a connector plug or a connector socket as desired. The connector socket has the lid 23 mounted thereon. The contact support member 16 in both cases is pushed into a housing 1 and the protuberances thereon snap into the catch recesses 10, the mounting flanges 19 on the member 16 acting as guides into the housing The arrangement described and illustrated provides a simple and economical construction for the plug and socket of a multi-pin electric connector, in which the components of the connector, with the exception of the pin and socket contacts, are moulded from a dielectric material and can be readily wired and assembled.
We claim:
I. A multi-pin connector for electric circuits, said connector comprising a plug having pin contacts mounted therein in predetermined spaced relationship from one another and a socket having socket contacts mounted therein and positioned to register with the pin contacts whereby the plug and socket are coupled, characterized in that the plug and the socket comprise housing and interchangeable contact support members, each member releasably secured in one said housing, each said support member having the pin or socket contacts mounted therein; each said housing being open at one side to receive said support member and havingan aperture in the opposite side forming an inlet for contact leads; each said support member having an upstanding lugor lugs formed thereon to project above the housing when the support member is inserted in the housing, the lugs on the support member of the socket having a lid hinged thereon adapted to close over the socket contacts when the plug and socket are uncoupled, the lugs on the support member of the plug forming lid holding catches for engagement by the lid when the plug and socket are coupled; said socket housing having an extended bottom wall forming a guide for the plug when the plug and socket are being coupled, ensuring correct alignment of corresponding pin and socket contacts, said extended wall forming a shield for the lid in its closed position.
2. A connector according to claim 1, wherein the plug housing and the socket housing are identical and interchangeable, and wherein the extended bottom wall is formed by a separate plate secured to said socket housing.
3. A connector according to claim 1 wherein each said support member comprises a body portion having openings formed therethrough in said desired spaced relationship and in which the contacts are mounted; mounting flanges formed one on each end of the body portion, said mounting flanges projecting from the body portion in the same direction and being substantially parallel, protuberances formed on the mounting flanges for engagement with corresponding recesses in the housing; and contact isolating fins formed on the body portion between the openings and projecting from the body portion substantially parallel to the flanges, said flanges forming guides for the support member in said housing.
4. A connector according to claim 1 wherein the components of the connector with the exception of the pin and socket contacts are moulded from a dielectric material.
5. A connector according to claim 1 wherein said extended bottom wall comprises an integral extension of t the bottom wall of said socket housing.
UNITED STATES PATENT m rror CETEFECAE @F CQRREQMQ Patent No. 3,711,813 r Dated January '16, 1973 Inve Stanlev Brvant It is certified that error appears in the above-identified patent and that said Letters Patentere hereby corrected as shown'below:
Column 1, 10. 58; after "member" insert --is inserted in the housing, the lug or lugs on the support member".
Signed and sealed this. 29th day of May 1975.
(SEAL) Atte'st:
' EDWARD M.FLET CHE'R,JR. ROBERT GOTTSCHALK Attesting Officer Commissioner of Patents FORM PC1-1050 uscoMM-Dc 60376-P69 9 U.$. GDVERNMENT PRINTING OFFICE I969 O-'355 3Sr

Claims (5)

1. A multi-pin connector for electric circuits, said connector comprising a plug having pin contacts mounted therein in predetermined spaced relationship from one another and a socket having socket contacts mounted therein and positioned to register with the pin contacts whereby the plug and socket are coupled, characterized in that the plug and the socket comprise housing and interchangeable contact support members, each member releasably secured in one said housing, each said support member having the pin or socket contacts mounted therein; each said housing being open at one side to receive said support member and having an aperture in the opposite side forming an inlet for contact leads; each said support member having an upstanding lug or lugs formed thereon to project above the housing when the support member is inserted in the housing, the lugs on the support member of the socket having a lid hinged thereon adapted to close over the socket contacts when the plug and socket are uncoupled, the lugs on the support member of the plug forming lid holding catches for engagement by the lid when the plug and socket are coupled; said socket housing having an extended bottom wall forming a guide for the plug when the plug and socket are being coupled, ensuring correct alignment of corresponding pin and socket contacts, said extended wall forming a shield for the lid in its closed position.
2. A connector according to claim 1, wherein the plug housing and the socket housing are identical and interchangeable, and wherein the extended bottom wall is formed by a separate plate secured to said socket housing.
3. A connector according to claim 1 wherein each said support member comprises a body portion having openings formed therethrough in said desired spaced relationship and in which the contacts are mounted; mounting flanges formed one on each end of the body portion, said mounting flanges projecting from the body portion in the same direction and being substantially parallel, protuberances formed on the mounting flanges for engagement with corresponding recesses in the housing; and contact isolating fins formed on the body portion between the openings and projecting from the body portion substantially parallel to the flanges, said flanges forming guides for the support member in said housing.
4. A connector according to claim 1 wherein the components of the connector with the exception of the pin and socket contacts are moulded from a dielectric material.
5. A connector according to claim 1 wherein said extended bottom wall comprises an integral extension of the bottom wall of said socket housing.
US00140046A 1971-05-04 1971-05-04 Plug and socket connector for electric circuits Expired - Lifetime US3711813A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3864000A (en) * 1973-06-07 1975-02-04 Amp Inc Mating contact connector housing assembly
FR2517129A1 (en) * 1981-11-26 1983-05-27 Ducellier & Cie CONNECTOR
US4556270A (en) * 1980-11-06 1985-12-03 Allied Corporation Housing for plug connector
US4806112A (en) * 1987-10-01 1989-02-21 Tronomed, Inc. Safety adapter for electrical connector housings
US5358422A (en) * 1993-02-11 1994-10-25 Marquette Electronics, Inc. Terminal assembly
WO1999062145A1 (en) * 1998-05-27 1999-12-02 Tyco Electronics Corporation Electrical connector with split shells and retention clip and method of assembling the connector
US20200106204A1 (en) * 2018-09-28 2020-04-02 Foxconn (Kunshan) Computer Connector Co., Ltd. Electrical connector having an outer shell with a front portion and a rear portion larger than the front portion

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2299206A (en) * 1940-08-03 1942-10-20 Joseph S Berg Cable connector
NL6405509A (en) * 1964-05-15 1965-11-16
US3239791A (en) * 1964-12-17 1966-03-08 Clas O F Fyrk Electrical disconnect coupling
US3417213A (en) * 1966-04-05 1968-12-17 Bryant Stanley Plug and socket connector for electric circuits

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2299206A (en) * 1940-08-03 1942-10-20 Joseph S Berg Cable connector
NL6405509A (en) * 1964-05-15 1965-11-16
US3239791A (en) * 1964-12-17 1966-03-08 Clas O F Fyrk Electrical disconnect coupling
US3417213A (en) * 1966-04-05 1968-12-17 Bryant Stanley Plug and socket connector for electric circuits

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3864000A (en) * 1973-06-07 1975-02-04 Amp Inc Mating contact connector housing assembly
US4556270A (en) * 1980-11-06 1985-12-03 Allied Corporation Housing for plug connector
FR2517129A1 (en) * 1981-11-26 1983-05-27 Ducellier & Cie CONNECTOR
EP0084278A1 (en) * 1981-11-26 1983-07-27 DUCELLIER & Cie Connector to be fixed on a casing
US4806112A (en) * 1987-10-01 1989-02-21 Tronomed, Inc. Safety adapter for electrical connector housings
US5358422A (en) * 1993-02-11 1994-10-25 Marquette Electronics, Inc. Terminal assembly
WO1999062145A1 (en) * 1998-05-27 1999-12-02 Tyco Electronics Corporation Electrical connector with split shells and retention clip and method of assembling the connector
US6478631B1 (en) 1998-05-27 2002-11-12 Tyco Electronics Corporation Electrical connector with split shells and retention clip
US20200106204A1 (en) * 2018-09-28 2020-04-02 Foxconn (Kunshan) Computer Connector Co., Ltd. Electrical connector having an outer shell with a front portion and a rear portion larger than the front portion
US10910756B2 (en) * 2018-09-28 2021-02-02 Foxconn (Kunshan) Computer Connector Co., Ltd. Electrical connector having an outer shell with a front portion and a rear portion larger than the front portion

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