US3168366A - Electrical connector assembly - Google Patents

Electrical connector assembly Download PDF

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US3168366A
US3168366A US201982A US20198262A US3168366A US 3168366 A US3168366 A US 3168366A US 201982 A US201982 A US 201982A US 20198262 A US20198262 A US 20198262A US 3168366 A US3168366 A US 3168366A
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United States
Prior art keywords
member
contact
flange
board
mounting
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Expired - Lifetime
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US201982A
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Glenwood A Fuller
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TE Connectivity Corp
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AMP Inc
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    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00Structural 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
    • H01R9/22Bases, e.g. strip, block, panel
    • H01R9/28Terminal boards
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/405Securing in non-demountable manner, e.g. moulding, riveting
    • H01R13/415Securing in non-demountable manner, e.g. moulding, riveting by permanent deformation of contact member

Description

Feb. 2, 1965 G- A. FULLER ELECTRICAL CONNECTOR ASSEMBLY Filed June 12, 1962 INVENTOR. GLENwooD 6. Gone MWW United States Patent Ofiice 3,168,366 Patented Feb. 2, 1965 3,163,366 ELECTRICAL CQNNECTOR ASSEMBLY Gienwood A. Fuiler, Hershey, Pa., assignor to AMP Incorporated, Harrisburg, Pa. Filed June 12, 1962, Ser. No. 201,982 3 Claims. (Cl. 339-220) This invention relates to electrical connecting devices of the type employed to interconnect conductors and more particularly to connector contact assemblies and means for mounting contact assemblies in an insulating board.

The usual electrical connecting device for interconnecting two or more conductors is comprised of contact components and means for mounting such components. With the so-called high reliability connecting devices, both the contact components and the mounting means are manufactured and assembled with care utilizing better grade materials and carrying close tolerances. With the usual low cost connecting devices, less care is taken both in the manufacture of components and in their assembly with a proportionate sacrifice of component life and reliability.

It is one object of the present invention to provide an improved electrical connector assembly having low cost components adapted to be easily assembled.

It is a further object to provide an improved connector assembly capable of interconnecting two electrical conductors in a reliable manner.

It is another object to provide a novel connector contact mounting means.

It is still another object of invention to provide a novel connector assembly of a simple and reliable structure capable of mechanically and electrically interconnecting individual electrical conductors through an insulating board member.

Other objects and attainments of the present invention will become apparent to those skilled in the art upon a reading of the following detailed description when taken in conjunction with the drawings in which there is shown and described an illustrative embodiment of the invention; it is to be understood, however, that this embodiment is not intended to be exhaustive nor limiting of the invention but is given for purposes of illustration in order that others skilled in the art may fully understand the invention and the principles thereof and the manner of applying it in practical use so that they may modify it in various forms, each as may be best suited to the conditions of a particular use.

The foregoing objects are attained by the present invention through the provision of a novel contact component mounting means adapted to retain and secure an improved contact component within an insulating board member. The contact component mounting means is comprised of a one piece stepped cylinder of ductile material having wall sections at each end which may be formed to secure the mounting means within an insulating board and at the same time formed to secure a contact component. Due to its configuration, the mounting means of the invention is capable of being utilized in a variety of positions and additionally, in providing support for complementary connector components as well as contact protection for the component secured therein. The contact components or" the invention are each comprised of conductive material formed to fit within the inside diameter of the mounting means and to accommodate in axial alignment the insertion of complementary contact mem bers interconnecting distinct electrical conductors. As will be apparent from the description herein to follow, the connector assembly of the invention is extremely simple and may be manufactured and installed without the need for specialized tooling. It should be further apparent that many otherwise critical tolerances are eliminated by the use of the stepped cylinder mounting means n aligning and securing the contact component of the invention.

In the drawings:

FIGURE 1 is a perspective sectional view showing the nvention in preferred embodiments and usese relative to intergonnecting electrical conductors through an insulating oar FIGURE 2 is a perspective view of the contact component mounting means of the invention;

FIGURE 3 is a longitudinal section of FIGURE 2 taken along lines 3-3;

FIGURE 4 is a cross section of FIGURE 2 taken along lines 4-4;

FIGURE 5 is a longitudinal section showing the connector assembly of the invention in one embodiment and in one installation in an insulating board member including complementary connector components aligned for insertion therein;

FIGURE 5A is a perspective view of the contact component shown in FIGURE 5;

FIGURE 6 is a longitudinal section of the connector assembly of the invention in a further embodiment and use; and

FIGURE 6A is a perspective of the connector assembly of FIGURE 6.

Referring now to the invention in general, and to FIGURE 1, there is shown an insulating board 10 which may be comprised of the usual insulating materials such as phenolic resin or diallyl-phthlate. Secured within board 10 are a number of contact assemblies of the type contemplated by the invention including the assemblies 16, 22 and 28 adapted to interconnect individual conductor pairs 1826, 2624 and 32-34 and further including assemblies 36 adapted to interconnect the commonly connected conductive paths 44 of component 42 to individual conductors 40. While the use of the connector assemblies, as shown, indicates a capability of interconnecting individual conductive paths, it is contemplated that the connector assemblies may be multipled to accommodate a large number of commonly mounted conductors. This possibility is indicated by the use shown with respect to the assemblies 36 and the component 42. The basic components of each of the assemblies shown in FIGURE 1 include a contact member mounting sleeve having an unformed configuration as shown in FIGURES 2-4 and a contact component inserted and secured within the sleeve in the manner indicated in FIGURES 5, 6 and 6A; As will be apparent from FIGURE 1, each contact as sembly, such as 16, is adapted to receive a connector portion at each end thereof, such as 12 and 14, and interconnecting conductors, such as 18 and 20. As will be further apparent from FIGURE 1, the contact mounting sleeve may be employed in difi'erent arrangements relative to the surfaces of the insulating board member 10 and may be formed in diiferent manners to accommodate different connector components. As a common feature, each of the connector assemblies shown in FIGURE 1 include a substantial bearing surface with respect to board 10 capable of resisting axial and transverse movements of the connector assembly with respect to the board.

Referring now to the invention in more detail, FIG- URES 2, 3 and 4 show the connector mounting member in an unformed state in various views. As shownin FIGURE 2, the connector mounting member 50 is comprised of a stepped cylinder having a relatively small barrel portion 52 and a larger barrel portion 58 disposed to form a transverse flange 56 at their juncture. EX: tending within barrel portion 52 and within a substantial portion of barrel 54 is an interior sleeve 59, shown here as substantially cylindrical. Joining the interior sleeve 59 is a further sleeve 60 forming therewith an interior a the flange portions 64 and 66in the manner required without unduely weakening or fracturing such portions. The length of barrel. portions 52 and 54 will vary dependent upon the thickness of the insulating board memher to which a connection is to be made as well as the length of'the. particular connector component to be secured within the member 50. The lengths of interior sleeves59 and 60 depend upon the length of the contact component to be inserted 'within member 50 and, of course, upon the lengths of the barrel portions 52 and 54. r

Turning now to one use of the connector mounting member described with respect to FIGURES 2-3, there is shown in FIGURE 5, a formed connector assembly including a connector mounting men1ber74 and a conhector component 82 secured therein.againsttransverse or axial displacement. As indicated, member 74 is se cured to insulating board '70 through aperture 72 by means of the flange or step 76 and a flange 80 formed at one end of the smaller barrel portion 78. The forming of 'flange80 may be accomplished by standard eyelet' techniques in the manner indicated by the dotted lines representative of the progressive wall movement occurring during forming. At. the opposite end of member 74 connector component 82 is secured by means of a flange 88 folded down against the connector component flange 92% indicated by the dotted line progressions; which operation also may be accomplished by standard eyelet techniques. Because of this, member 74 may be positively and tightly secured to the board member regardless of slight variations inboard thickness or in tolerance deviations in the length of barrel section'78. By the same token, contact component 82 may be positively and tightlysecured Within member 74 regardless of tolerance deviations ,in the thickness of flange 92 or in the depth of pocket 84. Due to this, components 74 1 land 82 may be carried in at least two dimensions with a relatively wide tolerance; any'differences being accommodated automatically during the assembly of the device;

As shown in FIGURE 5A, member 82 includes a flange portion 92, a. smaller barrel portion 83 and a contact portion 94 having contact fingers 96. Further included in member-82 is a tapered sleeve 98 extending'within flange 792 and within a portion-of barrel 83. The tapered sleeve '98 is adapted-to receive a tapered post 100 having a series of serrations disposed to terminate a fine wire conductor 102 within sleeve 98. A connector of this type is generally shown in US. Patent No. 3,071,750 to James C. Heselwood. At the other end of member 82 contact fingers 96 aredisposed to' receive a standard pin contact member 106 and a conductor 108 connected thereto. With the embodiment of FIGURE 5, two as sembly techniques are possible. The member82 may be inserted and interlocked within member 74 which may be thereafter inserted within board 70, or alternatively, member 74- may be first inserted within board 70, connector component 82 being thereafter positioned and secured under flanges 88.

Referring now to FIGURES 6 and 6A, there is shown a further embodiment of the invention adapted to provide an improved clearance. on one side of the insulating board member in which it is mounted, and a contact protective feature on the other side of each such member. In'this embodiment, board member 110 includes liable and stable electrical interconnections.

an aperture 114 stepped to accommodate a considerable portion of the larger barrel 118 of contact mounting member 116 which would have an unformed shape like that shown in FIGURES 24. Member 116 is formed to provide a flange 120 having a portion 123 adapted to secure connector flange 115 of component 112 in the manner described with respect to the embodiment of FIGURE 5. Flange further includes a portion 121 forming a flange bearing against insulating board 110. In this manner, an additional bearing area is provided serving to interlock member 116 within board 110. This feature is desirable in installations wherein the insulating board member 'is'relatively thin, such that flange 117 has little oi no material to bear against in resisting the axial force imparted by withdrawal of a contact pin from member 112. It is contemplated that the embodiment of FIGURE 6 could be made with flange 120being relatively straight as in, the manner of FIGURE 5 in uses wherein the insulating board member is sufficiently thick.

Disposed at the opposite end of member 116 is a further feature wherein the end wall section of the smaller diameter barrel 122 is formed to provide a flange 124 bearing against board 110 and a contact protective pocket 130 defined by flange extensions 126. With this arrangement the contact fingers 1130f contact component 112 are protected against accidental damage or possible misalignment. The contact component embodiment of FIG- URE 6 further includes an inner sleeve 125 adapted to receive a standard split pin contact member.

With the assemblies above described, a simple two piece contact assembly may be secured to insulating boards of varying thicknesses in a manner providing re- It should be apparent from the differences between the contact components of FIGURES 5 and 6 that the assembly of the invention may be adapted to secure'a variety of contact components capable of receiving connector components other than the particular post and pin shown.

In an actual unit constructed in accordance with the embodiment shown in FIGURE 5, the contact mounting member was comprised of a machined brass sleeve approximately .200 inch in length having external diameters of .070 and .040 and internal diameters of .060 and .038. The contact component secured therein was comprised of beryllium copper and included exterior sleeve diameters of .058 and .030, a bifurcated spring portion approximately .140 in length and inner tapered sleeve approximately .080 in length'h'aving an inner diameter of .020 inch. The unit was utilized to satisfactorily interconnect a N0. 40 AWG insulated conductor in the tapered portion and a No. 38 AWG insulated conductor having a .020 inch diameter pin member at the spring end.

While the embodiments shown herein include circular cross-sectional configurations, it is fully contemplated that other shapes may be employed.

Changes in construction will occur to those skilled in the art and various apparently different modifications and embodimentsmay be made without departing from the scope of the invention. The matter set forth in the foregoing description and accompanying drawings is offered by way of illustration only.

I claim:

1. An assembly securing an electrical socket in an insulating board member including a mounting member having first and second sleeve portions of relatively thin malleable metal separated by a relatively thick portion having a flange on the'exterior surface thereof and adapted to support a contact member therewithin, a contact member positioned within said mounting member, said contact member including a flange extending outwardly, contact portions, at each end of the contact member adapted to' receive axially'forced pin members, including at one end resilient fingers extending out of the board member, the first sleeve portion of said mounting member being formed inwardly around said contact member flange to secure the contact member therein and outwardly against the board member to secure the mounting member against axial movement in one sense relative to the board member, the second sleeve portion being formed outwardly against the board member to secure the mounting member against axial movement in the other sense relative to the board member.

2. The assembly of claim 1 wherein said second sleeve portion is further formed to extend over and in spaced relationship to said fingers.

3. The assembly of claim 1 wherein said second sleeve portion has an outside surface of a configuration to receive portions of a further contact and is further formed inwardly to define an aperture at the end thereof of reduced diameter.

References Cited in the file of this patent UNITED STATES PATENTS

Claims (1)

1. AN ASSEMBLY SECURING AN ELECTRICAL SOCKET IN AN INSULATING BOARD MEMBER INCLUDING A MOUNTING MEMBER HAVING FIRST AND SECOND SLEEVE PORTIONS OF RELATIVELY THIN MALLEABLE METAL SEPARATED BY A RELATIVELY THICK PORTION HAVING A FLANGE ON THE EXTERIOR SURFACE THEREOF AND ADAPTED TO SUPPORT A CONTACT MEMBER THEREWITHIN A CONTACT MEMBER POSITIONED WITHIN SAID MOUNTING MEMBER, SAID CONTACT MEMBER INCLUDING A FLANGE EXTENDING OUTWARDLY, CONTACT PORTIONS AT EACH END OF THE CONTACT MEMBER ADAPTED TO RECEIVE AXIALLY FORCED PIN MEMBERS, INCLUDING AT ONE END RESILIENT FINGERS EXTENDING OUT OF THE BOARD MEMBER, THE FIRST SLEEVE PORTION OF SAID MOUNTING MEMBER BEING FORMED INWARDLY AROUND SAID CONTACT MEMBER FLANGE TO SECURE THE CONTACT MEMBER THEREIN AND OUTWARDLY AGAINST THE BOARD MEMBER TO SECURE THE MOUNTING MEMBER AGAINST AXIAL MOVEMENT IN ONE SENSE RELATIVE TO THE BOARD MEMBER, THE SECOND SLEEVE PORTION BEING FORMED OUTWARDLY AGAINST THE BOARD MEMBER TO SECURE THE MOUNTING MEMBER AGAINST AXIAL MOVEMENT IN THE OTHER SENSE RELATIVE TO THE BOARD MEMBER,.
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3218606A (en) * 1964-01-20 1965-11-16 Lockheed Aircraft Corp Socket assembly for printed circuits
US3281761A (en) * 1964-03-31 1966-10-25 Hughes Aircraft Co Connector securing device
US3292132A (en) * 1963-12-30 1966-12-13 Electronic Molding Corp Test jack for panel mounting
US3543220A (en) * 1968-06-28 1970-11-24 Robert W Jones Integrated circuit pin-socket receptacle assemblies
US3691511A (en) * 1970-10-05 1972-09-12 Bunker Ramo Plug connection contact with high security against burning off
US3784965A (en) * 1972-03-13 1974-01-08 Electronic Molding Corp Terminal construction
US4009926A (en) * 1974-04-18 1977-03-01 Tarrant Robert C Solderless terminal
US10612813B2 (en) 2007-10-12 2020-04-07 Metropolitan Air Technology Motorized gear and coupling system

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US399465A (en) * 1889-03-12 Wire-coupling
US1236188A (en) * 1912-12-21 1917-08-07 Cutler Hammer Mfg Co Insulator.
US1237718A (en) * 1916-12-30 1917-08-21 Edward A Burgoon Spring battery-clip.
GB246700A (en) * 1925-04-17 1926-02-04 Arthur William Whistlecroft Improvements in terminals of the plug and socket type
US2235275A (en) * 1938-04-22 1941-03-18 Clum Mfg Company Terminal
US2443513A (en) * 1944-04-28 1948-06-15 Quackenbush Edward Clarke Electrical contact socket
US2510339A (en) * 1947-01-20 1950-06-06 Heiss Harvey Electrical terminal device
DE852707C (en) * 1943-07-21 1952-10-16 Busch Jaeger Luedenscheid With an internally threaded sleeve or sleeve which serves for mounting contact parts on a Kontakttraeger
US2617846A (en) * 1949-10-20 1952-11-11 Gen Railway Signal Co Shelf mounted plug coupled detachable type relay
DE929201C (en) * 1952-05-20 1955-06-20 Licentia Gmbh Pressure contact, electrical, in particular for the coupling lines between vehicles
US2958845A (en) * 1957-11-07 1960-11-01 Burndy Corp Coaxial connection

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US399465A (en) * 1889-03-12 Wire-coupling
US1236188A (en) * 1912-12-21 1917-08-07 Cutler Hammer Mfg Co Insulator.
US1237718A (en) * 1916-12-30 1917-08-21 Edward A Burgoon Spring battery-clip.
GB246700A (en) * 1925-04-17 1926-02-04 Arthur William Whistlecroft Improvements in terminals of the plug and socket type
US2235275A (en) * 1938-04-22 1941-03-18 Clum Mfg Company Terminal
DE852707C (en) * 1943-07-21 1952-10-16 Busch Jaeger Luedenscheid With an internally threaded sleeve or sleeve which serves for mounting contact parts on a Kontakttraeger
US2443513A (en) * 1944-04-28 1948-06-15 Quackenbush Edward Clarke Electrical contact socket
US2510339A (en) * 1947-01-20 1950-06-06 Heiss Harvey Electrical terminal device
US2617846A (en) * 1949-10-20 1952-11-11 Gen Railway Signal Co Shelf mounted plug coupled detachable type relay
DE929201C (en) * 1952-05-20 1955-06-20 Licentia Gmbh Pressure contact, electrical, in particular for the coupling lines between vehicles
US2958845A (en) * 1957-11-07 1960-11-01 Burndy Corp Coaxial connection

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3292132A (en) * 1963-12-30 1966-12-13 Electronic Molding Corp Test jack for panel mounting
US3218606A (en) * 1964-01-20 1965-11-16 Lockheed Aircraft Corp Socket assembly for printed circuits
US3281761A (en) * 1964-03-31 1966-10-25 Hughes Aircraft Co Connector securing device
US3543220A (en) * 1968-06-28 1970-11-24 Robert W Jones Integrated circuit pin-socket receptacle assemblies
US3691511A (en) * 1970-10-05 1972-09-12 Bunker Ramo Plug connection contact with high security against burning off
US3784965A (en) * 1972-03-13 1974-01-08 Electronic Molding Corp Terminal construction
US4009926A (en) * 1974-04-18 1977-03-01 Tarrant Robert C Solderless terminal
US10612813B2 (en) 2007-10-12 2020-04-07 Metropolitan Air Technology Motorized gear and coupling system

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