US3544954A - Pin and socket type electrical contact terminals - Google Patents

Pin and socket type electrical contact terminals Download PDF

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Publication number
US3544954A
US3544954A US769329A US3544954DA US3544954A US 3544954 A US3544954 A US 3544954A US 769329 A US769329 A US 769329A US 3544954D A US3544954D A US 3544954DA US 3544954 A US3544954 A US 3544954A
Authority
US
United States
Prior art keywords
contact
sleeve
terminal
pin
seam
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
US769329A
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English (en)
Inventor
Marvin Leo Yeager
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
Application granted granted Critical
Publication of US3544954A publication Critical patent/US3544954A/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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/428—Securing in a demountable manner by resilient locking means on the contact members; by locking means on resilient contact members
    • H01R13/434—Securing in a demountable manner by resilient locking means on the contact members; by locking means on resilient contact members by separate resilient locking means on contact member, e.g. retainer collar or ring around contact member

Definitions

  • a stamped and formed sheet metal sleeve is co-axially mounted on the terminal body and has an open seam which is on the opposite side of the terminal from the side of the open seam.
  • the sleeve and the terminal body are secured together, by means of ears on the sleeve, which extend radially inwardly through an opening in the terminal body, the sleeve functioning to cover and protect the contact spring in the terminal body.
  • the principles of the invention can be applied to the manufacture of both pin contacts and socket contacts, one sleeve length being mountable on either type of contact.
  • Pin and socket type electrical contact terminals can be manufactured either from bar stock by conventional screw machine methods or by stamping and forming sheet metal.
  • the machined pin and socket terminals are regarded as being of higher quality than stamped and formed terminals for the reason, among others, that the stamped and formed terminals will have an axially extending seam Which is normally closed but which may not be fully closed if the part is not carefully made.
  • the axially extending seam may be forced open when a test probe or other foreign instrument is inserted into the contact or if the contact is mated with an oversized contact pin.
  • the present invention is directed to the achievement of pin and socket type contacts which can be manufactured by stamping and forming methods and which will have the reliability, current carrying ability, and the ruggedness of the more expensive machined type contacts. It is accordingly an object of the invention to provide improved contact terminals which can be manufactured by stamping and forming methods. A further object is to provide a stamped and formed terminal having improved means for maintaining the seam of the terminal in a closed condition and for maintaining the dimensions of the finished contacts. A further object is to provide a stamped and formed terminal which can be manufactured in relatively small sizes. A further object is to provide a contact socket having a sleeve mounted thereon, which functions to protect the contact spring in the socket and prevent it from being overstressed.
  • the terminal comprises a generally cylindrical body portion having an axially extending seam.
  • a cylindrical sleeve is tted over the body portion and has a seam which is disposed on the opposite side of the terminal from the seam of the body portion, the sleeve being secured to the body portion by means of radially inwardly directed ears which extend through an opening in the body portion.
  • Terminals in accordance with the invention are normally provided with open U-type ferrule-forming portions adjacent to one end of the terminal and are produced in the form of a continuous strip so that they can be applied to wire ends by automatic or semi-automatic crimping applicators.
  • FIG. 1 is a perspective view of a contact pin and a contact socket in accordance with the invention
  • FIG. 2 is a sectional side View showing a pair of contact terminals in accordance with the invention mounted in contact cavities in an insulating block, the parts being disengaged from each other in this View;
  • FIG. 3 is a view similar to FIG. 2 but showing the parts engaged with each other;
  • FIGS. 4 and 5 are views taken along the lines 4-4 and 5 5 of FIG. l.
  • An electrical contact pin 2 in accordance with the invention comprises a cylindrical intermediate body portion 10, a reduced diameter leading end 12, which extends from the forward end of the body portion, and a pair of U-shaped crimp portions 14, 16, which are crimped onto the stripped end and, the insulation respectively of a wire 15.
  • Sleeve 20 is provided with divergently extending lances 22 on its opposite sides, which are adapted to retain the pin in a cavity in an insulating housing as Will be described below.
  • Contact terminals in accordance with the invention are conventionally manufactured by stamping and forming methods and will have an axially extending seam 24 on their upper sides as viewed in FIG. l. Ordinarily, and for reasons of economy, these open seams are not welded or otherwise bonded so that they have a tendency to spring apart or open up after forming. In the disclosed embodiment of the pin contact terminal 2, this tendency is counteracted by the sleeve 20 which also has an axi ally extending open seam 26 on its underside, as viewed in FIG. l.
  • the sleeve 20 is secured to the intermediate body 10 of the pin Contact, by means of ears 30, which extend inwardly through an opening 28 in the body portion of the pin contact, and which is on the opposite side of the body portion from the seam 24.
  • the ears 30 function to retain the sleeve 20 on the body portion of the contact and to hold the open seam 26 of this body portion in a closed condition so that the sleeve is concentrically arranged With respect to the intermediate body portion of the contact.
  • the sleeve also functions to hold the seam 24 of the body portion 10 in a closed condition by virtue of the fact that the two seams 24, 26 are arranged on opposite sides of the contact terminal.
  • the ears 30 also function to maintain the orientation of the sleeve 20 in the body portion, such that the seams 24, 26 are on opposite sides of the terminal.
  • these ears 30, function to transmit tensile loads from the wire to the sleeve when the terminal is mounted in an insulating housing ⁇ This latter function is important for the reason that the contact terminal is retained in the housing by lances 22 and the tensile load applied to the wire must be transmitted to these lances.
  • the socket contact 4 in accordance with the invention has a cylindrical body 32, the inside diameter of which is substantially equal to, and slightly larger than, the outside diameter of the end portion 12 of the pin contact, an outwardly formed section 34 against which a sleeve 40 is disposed, and a pair of aligned crimp portions 36, 38 which again are secured to the stripped end and the insulation of a Wire.
  • the sleeve 40 may be identical to the sleeve of the pin contact and is secured to the body portion 32 by means of inwardly directed ears 48 which again extend through an opening 46 in the body portion of the socket contact.
  • the open seam 42 of the socket contact is on the opposite side of the terminal, from the open seam 44 of the sleeve, so that the sleeve functions to hold the seam 42 in a closed condition as previously described.
  • pins 2 and socket 4 in accordance with the invention will be mounted in suitable insulating housings 6, 8 having cavities extending therethrough for reception of the contacts.
  • One form of cavity will accept either a pin contact or a socket contact in accordance with the invention, these cavities each having a forward section 54, an intermediate constricted section 56, and a rearward section 58, the intermediate section defining a forwardly facing shoulder 60, and a rearwardly facing shoulder 61.
  • the contact terminal inserted into the cavity from the rearward side until the outwardly formed head moves against shoulder 61 and lances 50 of the socket contact and 22 of the pin contact are disposed forwardly of the shoulders 60 so that these lances will prevent accidental or unintentional withdrawal of the contacts from the housmgs.
  • the reduced leading ends of the pin contact 12 enters the body portion 32 of the socket contact and moves against the inwardly directed contact spring 52 which is struck from the wall of the body portion 32 of lthe socket contact.
  • This spring is moved outwardly as illustrated in FIG. 3 until it lies in the plane defined by the body portion 32 of the contact.
  • the sleeve 40 on the socket contact in a connector in accordance with the invention thus functions to prevent over-stressing of the spring and to protect it from damage while the Contact is being assembled, shipped, or handled.
  • a particular advantage of contact terminals in accordance with the invention is that, although they are manufactured by the relatively inexpensive stamping and forming method and have the open seam which is inherent in contacts produced by this method, the seam is maintained in a closed condition by the sleeves 20 of the pin and 40 of the socket.
  • contacts in accordance with the invention are substantially as rugged, and as resistant to damage as the more expensive machined pin and socket type contacts.
  • the integral contact spring 52 is entirely surrounded by the sleeve 40 in the socket contact so that this is completely protected against damage during handling.
  • An electrical contact socket terminal comprising a stamped and formed cylindrical body portion and a stamped and formed cylindrical sleeve portion, said body portion having an open-U ferrule-forming portion integral with, and extending from, one end thereof, and said body portion having an axial seam extending axially thereon, in alignment with the open side of said ferrule forming portion, said sleeve portion being coaxially mountetd on said body portion and having an axially extending seam on the side of said terminal which is opposite to the side of said seam on said body portion, ear means on said sleeve portion and an opening in the Wall of said body portion, said ear means extending inwardly through said opening and retaining said sleeve portion on said body portion with said seams on opposite sides of said terminal, and a contact spring struck from the wall 10 of said body portion and extending obliquely inwardly with respect to the axis of said terminal, said sleeve portion functioning to protect said spring and prevent overstressing thereof.
  • An electrical contact terminal as set forth in claim 1 including retention lances struck from the wall of said sleeve portion.
  • An electrical contact terminal comprising a stamped and formed cylindrical body and a stamped and formed cylindrical sleeve, said body having an open-U ferruleforming portion integral with, and extending from, one end thereof, and said body having an axial seam extending axially thereon in alignment with the open side of said ferrule-forming portion, said sleeve being coaxially mounted on said body and having an axially extending seam on the side of said terminal which is opposite to the side of said seam on said body, ear means on said sleeve and an opening in the Wall of said body, said opening being diametrically opposite to said seam of said body and being located adjacent to said one end and proximate to said open-U ferrule-forming portion, said ear means comprising extensions of said sleeve adjacent to said seam in said sleeve and directed inwardly through said opening with the planes of said ear means being substantially parallel to the axis of said terminal whereby the edge portions of said ear means bear against edge portions of said opening, and rear
  • a contact terminal as set forth in claim 3, said terminal comprising a contact pin terminal having a reduced diameter end portion extending from the end thereof which is opposite to said one end, said reduced diameter end portion being adapted to be received in a complementary contact socket.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
US769329A 1968-10-21 1968-10-21 Pin and socket type electrical contact terminals Expired - Lifetime US3544954A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US76932968A 1968-10-21 1968-10-21

Publications (1)

Publication Number Publication Date
US3544954A true US3544954A (en) 1970-12-01

Family

ID=25085128

Family Applications (1)

Application Number Title Priority Date Filing Date
US769329A Expired - Lifetime US3544954A (en) 1968-10-21 1968-10-21 Pin and socket type electrical contact terminals

Country Status (9)

Country Link
US (1) US3544954A (es)
BE (1) BE740142A (es)
CH (1) CH511523A (es)
DE (1) DE1952367C3 (es)
ES (1) ES371975A1 (es)
FR (1) FR2021120A1 (es)
GB (1) GB1235600A (es)
NL (1) NL140667B (es)
SE (1) SE363198B (es)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48487U (es) * 1971-05-29 1973-01-06
US3932013A (en) * 1974-04-08 1976-01-13 Amp Incorporated Shunt assembly
US4139256A (en) * 1977-09-15 1979-02-13 North American Specialties Corp. Electrical contact and method of making same
US4168878A (en) * 1978-05-22 1979-09-25 Amp Incorporated Pin and socket type electrical terminals
US4362350A (en) * 1980-06-09 1982-12-07 International Telephone And Telegraph Corporation Contact retention assembly
US4557543A (en) * 1980-06-27 1985-12-10 Amp Incorporated Key hole retention
US4717354A (en) * 1984-11-19 1988-01-05 Amp Incorporated Solder cup connector
US4750266A (en) * 1984-07-24 1988-06-14 Brandeau Edward P Flat cable connector assembly
US5226839A (en) * 1991-09-04 1993-07-13 Yazaki Corporation Connector
US5295871A (en) * 1992-05-29 1994-03-22 Thomas & Betts Corporation High density cable connector assembly
US5554055A (en) * 1994-08-31 1996-09-10 Thomas & Betts Corporation Electrical connector employing dual locking contact retention
DE19919854C1 (de) * 1999-04-30 2001-05-03 Harting Kgaa Kontaktelement aus Blechmaterial
US6328615B1 (en) 2000-03-02 2001-12-11 Itt Manufacturing Enterprises, Inc. Contact formed of joined pieces
US6475037B1 (en) 1999-04-30 2002-11-05 Harting Kgaa Contact element made of sheet-metal material
US6702623B2 (en) * 2001-05-25 2004-03-09 Yazaki Corporation Connector
CN105552621A (zh) * 2016-02-17 2016-05-04 袁福德 一种用于智慧城市建筑交通线缆节能焊接节点及其安装方法
CN105914563A (zh) * 2016-05-23 2016-08-31 苏州杰姆斯特机械有限公司 一种应用于高端装备物流路线焊接节点的安装方法
USD853967S1 (en) * 2017-03-02 2019-07-16 Virginia Panel Corporation Pneumatic connector
CN110323612A (zh) * 2019-06-24 2019-10-11 中航光电科技股份有限公司 一种具有密封功能的模具生产的接触件

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9106780U1 (de) * 1991-06-03 1992-10-01 Grote & Hartmann Gmbh & Co Kg, 5600 Wuppertal Kastenfeder
GB9226693D0 (en) * 1992-12-22 1993-02-17 John Gues Engineering Limited Snap-in assemblies and retaining means therefor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB246700A (en) * 1925-04-17 1926-02-04 Arthur William Whistlecroft Improvements in terminals of the plug and socket type
US2715215A (en) * 1952-03-24 1955-08-09 Tinnerman Products Inc Electrical socket contact
US3028575A (en) * 1958-05-14 1962-04-03 Burndy Corp Removable control assembly for an electrical connector
GB940437A (en) * 1960-01-11 1963-10-30 United Carr Fastener Corp Improvements in and relating to electrical socket contacts

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB246700A (en) * 1925-04-17 1926-02-04 Arthur William Whistlecroft Improvements in terminals of the plug and socket type
US2715215A (en) * 1952-03-24 1955-08-09 Tinnerman Products Inc Electrical socket contact
US3028575A (en) * 1958-05-14 1962-04-03 Burndy Corp Removable control assembly for an electrical connector
GB940437A (en) * 1960-01-11 1963-10-30 United Carr Fastener Corp Improvements in and relating to electrical socket contacts

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48487U (es) * 1971-05-29 1973-01-06
JPS5237832Y2 (es) * 1971-05-29 1977-08-27
US3932013A (en) * 1974-04-08 1976-01-13 Amp Incorporated Shunt assembly
US4139256A (en) * 1977-09-15 1979-02-13 North American Specialties Corp. Electrical contact and method of making same
US4168878A (en) * 1978-05-22 1979-09-25 Amp Incorporated Pin and socket type electrical terminals
EP0005602A1 (en) * 1978-05-22 1979-11-28 AMP INCORPORATED (a New Jersey corporation) Socket terminal
US4362350A (en) * 1980-06-09 1982-12-07 International Telephone And Telegraph Corporation Contact retention assembly
US4557543A (en) * 1980-06-27 1985-12-10 Amp Incorporated Key hole retention
US4750266A (en) * 1984-07-24 1988-06-14 Brandeau Edward P Flat cable connector assembly
US4717354A (en) * 1984-11-19 1988-01-05 Amp Incorporated Solder cup connector
US5226839A (en) * 1991-09-04 1993-07-13 Yazaki Corporation Connector
US5295871A (en) * 1992-05-29 1994-03-22 Thomas & Betts Corporation High density cable connector assembly
US5554055A (en) * 1994-08-31 1996-09-10 Thomas & Betts Corporation Electrical connector employing dual locking contact retention
DE19919854C1 (de) * 1999-04-30 2001-05-03 Harting Kgaa Kontaktelement aus Blechmaterial
US6475037B1 (en) 1999-04-30 2002-11-05 Harting Kgaa Contact element made of sheet-metal material
DE19949535B4 (de) * 1999-04-30 2010-03-25 Harting Kgaa Kontaktelement aus Blechmaterial
US6328615B1 (en) 2000-03-02 2001-12-11 Itt Manufacturing Enterprises, Inc. Contact formed of joined pieces
US6702623B2 (en) * 2001-05-25 2004-03-09 Yazaki Corporation Connector
CN105552621A (zh) * 2016-02-17 2016-05-04 袁福德 一种用于智慧城市建筑交通线缆节能焊接节点及其安装方法
CN105552621B (zh) * 2016-02-17 2018-07-03 广州万粤知识产权运营有限公司 一种用于智慧城市建筑交通线缆节能插接装置及其安装方法
CN105914563A (zh) * 2016-05-23 2016-08-31 苏州杰姆斯特机械有限公司 一种应用于高端装备物流路线焊接节点的安装方法
USD853967S1 (en) * 2017-03-02 2019-07-16 Virginia Panel Corporation Pneumatic connector
CN110323612A (zh) * 2019-06-24 2019-10-11 中航光电科技股份有限公司 一种具有密封功能的模具生产的接触件

Also Published As

Publication number Publication date
BE740142A (es) 1970-03-16
FR2021120A1 (es) 1970-07-17
DE1952367B2 (de) 1973-09-20
SE363198B (es) 1974-01-07
NL140667B (nl) 1973-12-17
GB1235600A (en) 1971-06-16
NL6915583A (es) 1970-04-23
DE1952367A1 (de) 1970-05-27
ES371975A1 (es) 1971-12-16
CH511523A (de) 1971-08-15
DE1952367C3 (de) 1974-04-18

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