US2549647A - Conductor and compressible insert connector means therefor - Google Patents

Conductor and compressible insert connector means therefor Download PDF

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US2549647A
US2549647A US642595A US64259546A US2549647A US 2549647 A US2549647 A US 2549647A US 642595 A US642595 A US 642595A US 64259546 A US64259546 A US 64259546A US 2549647 A US2549647 A US 2549647A
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conductor
connector
sleeve
conductors
connector means
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Wilfred J Turenne
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Wilfred J Turenne
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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
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/193Means for increasing contact pressure at the end of engagement of coupling part, e.g. zero insertion force or no friction

Description

April 17, 1951 w. J. TURENNE CONDUCTOR AND COMPREssIBLE INSERT CONNECTOR MEANS THEREFOR Filed Jan. 22, 194e Invenor: ijredcIZI/renne.

Mew viii/Lys.

Patented Apr. 17, 1951 UNITED STATES PATENT' OFFICE CONDUCTOR AND COMPRESSIBLE INSERT CONNECTOR MEANS THEREFOR Wilfred J. Turenne, Fayville, Mass.

Application January 22, 1946, Serial No. 642,595

1 Claim.

My present invention relates to connectors and especially detachable electrical connector means. It aims to provide efficient, simplified and otherwise improved means for the purpose stated.

In the drawing, illustrating one embodiment of the invention by way of example:

Fig. 1 shows in elevation a connector assembly installed;

Fig. 2 is a longitudinal sectional view of the joint and connector means of Fig. 1, on a larger scale; and

Fig. 3 is a cross-section as on the line 3-3 of Fig. 2.

In the example of the drawing the connector means is shown joining conductors of diierent `types and size, designated generally at I and 2.

|That at the left is represented as a iire detector cable such as that of my Patent No. 2,275,873, dated March 10, 1942. It comprises an inner conductor or wire 3, spacer means' of nonconductive material and an outer conductive tubing 1. The other conductor or cable 2 is illustrated as a conventional insulated type comprising a central conductor element or wire 4, a surrounding layer 6 which may be fibre-glass or other material, sometimes incorporating shielding or conductive means such as stranded copper wire, and an insulatng cover 8 such as a saturated fibre-glass or other sleeving.

In forming the joint the conductors are prepared by exposing end portions of the central conductive elements 3 and 4 as indicated at 3', 4', in Fig. 2. The tubing 1 of the conductor I is given a flare as at 1. The other conductor 2, in this case smaller, is inserted through an adapter element comprising a length of tubing I of metal or other supportive material as for example aluminum or an aluminum or other alloy, this tubing being flared at the end adjacent the bared conductor section 4', as at I0'. This tubular adapter I0 and the enclosed conductor 2 are firmly crimped together as at I2, I2. These crimped portions may be applied in the field as by special pliers for the purpose'. The described formations including the flares 1, IIJ and the crimped portions I2, 2 are comprised in theillustrated assembly and serveto strengthen it as a whole and to resist axial forces on the conductors as well as to anchor the conductor 2 in the adapter ID.

The connector means of the invention further comprises a conductive unionshown as a split metallic sleeve I5. This sleeve member I5, herein disposed centrally of thedevice as a whole, is formed of a good electrical conductive material 'end a female threaded portion 3|.

21 and the member 2| together form one of an which desirably also is suiliciently resilient or yieldable to afford the sleeve capacity for reception of diiTerent conductors and for radial compressive surface engagement laterally with the received conductors. Suitable materials include certain copper alloys, which if desired may be silver plated for enhanced electrical contact. The ends of the sleeve I5 preferably are flared substantially as illustrated for ready insertion of the bared ends 3', 4 of the conductor elements 3 and 4 to be joined. The ilared ends of the sleeve as shown are turned on themselves for reinforcement and to aid retention of the sleeve in embedded position in the resilient body, plug or pellet I6 of nonconducting material of rubber or rubber-like composition such as one of the synthetic rubbers as for instance Buna N.

The'resilient body I B, generally cylindrical, is vadapted for reception in like-shaped opposed cavities at the adjacent ends of a pair of tubular connector elements comprising members 2| and Either of these may be placed on either conductor to be joined. The normal free or unstressed diameter of the body or plug-like element I6 is made somewhat less than that of the common receiving cavity in parts 2| and 22, and

the length of element I6 is greater than the which the corresponding flares 1', I0 abut.

The connector member 2| has an enlargement at its inner end presenting an external radial shoulder 25 or like abutment. Rotatable on the member 2| is a sleeve-like coupler 21 with an inturned radial ange 29 adapted to abut the shoulder 25 of member 2| and having at its inner This coupler interengageable pair of main elements for the connector assembly. vThe other element of this pair is the unitary part or member 22 already `referred to, having at its inner'end a male threaded portion 26. Y

The two cooperatively threaded elements 2 I -21 Vand 22 define approximate halves of the connector body as a whole. The male connector element 22 and the female coupler member 21 of the other body element are each provided with a hex or other non-round formation 22a and 21a respectively for application of wrenches or othersuitable tools in making or releasing the connection. These formations, illustrated as hex centrally held in the resilient plug anges, desirably are drilled as at 22h, 2117 for receiving a pin, wire or like means to lock the connector assembly against vibration. When either or both of the coaxial cables or tubular conductors to be joined are of an externally grooved or corrugated nature as herein shown for the outer tubing of conductor space between such tubing and the inner wall of the surrounding connector part 2|, 22 or l0 desirably is lled with a metal-bonding cement as indicated at 35 in association with the tting member 2|, thus securing the cable in and to the latter and also blocking entrance of water or other foreign matter between them.

From the foregoing in connection with the drawing it will be evident that the respective connector halves or body elements 2|-21 and 22 are placed on the conductors to be joined and the bared ends of the central wires or conductors proper 3', 4 are inserted into the sleeve I5 I6. The threaded portions of the members 22 and 21 are interengaged. In completing the coupling operation the opposed body elements are forced together by rotatably turning up the coupler 21 onto the connector part 22. By reason of the separable coupler 2`| turnable on and relative to the connector part 2| and also relative to the opposed connector part 22, there need be little or no relative turning movement as between either of the connector parts 2| and 22 and any contacting surface of the joined conductors or of the'v resilient body i6. Thus undesirable twisting stress on the conductors proper is avoided, such as might tend to disturb the electrical connection.

In the described coupling operation the resilient body or plug IB is compressed, the unstressed volume of this body as previously noted being somewhat more than the nal receiving space for it in the adjustable connector parts 2| and 22. The pressure thus built up acts in all directions within the resilient material and tends to force it into any available space at the juncture of the connector parts 2|, 22 and about the terminals of the split sleeve I5. At the same time the compressive pressure transmitted to the sleeve in which the conductor ends are inserted insures intimate surface contact as between thev sleeve and the inserted conductor ends, promoting a good electrical connectionl Simultaneously the compressive forcing of the rubberous material of the body I6 into the joint between the connector parts 2|, 22, also between the ared adapter sleeve l and the connector part 22, as well as at the corresponding joint between the ared conductor tubing 'I and the connector part 2| efiects a tight seal for excluding water, oil or other foreign matter.

The connector means of the invention is applicable for the joining of cables and conductors of numerous different types, sizes and structures, including for example radio-frequency cables, the joined electrical conductor cables being identical or otherwise. In some instances the joined axial elements either in addition to or alternatively to their electrical conductive function may be in the nature of duid-bearing conduits or conductors.

Among the numerous advantages of the present invention are the capacity for rapid attachment of the connector assembly in the tight and positive manner as described in connection with the drawing, and in such fashion that-excellent electrical contact is assured together with ample insulation resistance at the joint, the connection being at the same time impervious to entrance of foreign matter. The cooperative parts of the connector device specially avail of the conned mass of resilient insulative material so as automatically to stress it in making up the connection and thereby provide an eifective external seal and internal closure. The improved connector means additionally is simple in structure and light in weight yet rugged in service, and is relatively easy and inexpensive to manufacture.

My invention is not limited to the particular embodiment thereof as herein illustrated and described, its scope being pointed out in the following claim.

Iy claim:

For electrically and mechanically joining electric cables which have bared conductors projecting centrally from dare-ended outer metal tubingf, a.. connector assembly comprising a longitudinally split sleeve of yieldable conducting material. receiving such conductors at its opposite ends, a cylindrical rubberous mass encompassing the sleeve and of a length making endwise abuttive Contact with and partial entrance into the iiare. ends oi cables when the central conductors thereof are iitted into said sleeve, opposed cylindrical connectorl body members having each a@ cable-receivingv bore and having mating recesses dening a cavity contactively enclosing and conning. the rubberousmass, said cavity including end walls engaging the ares of the tubing endsopposite the abuttive contact thereof with said mass intheinstalled position of the assembly, one of said body members being externally threaded, and a sleeve-like coupler having threaded engagement with said threaded body member and having longitudinal' a-buttive engagement with theother body member so as to draw together and abuttively interconnect said members, saidl rubberous mass in the free unstressed state being oversized with respect to said cavity: so that it isK subjected to both lengthwise and radial compressive stress in and by said members upon such interconnection thereof, thereby sealingv the joint in all directions and simultaneously insulating and compressing the sleeve and promoting the electrical union thereof with the received conductor ends.

WLFREDy J. TURENNE.

REFERENCES CITED TheY following references are of record in the le of this patent:

UNITED STATES PATENTS Number Name Date 965,684 Bierce et al July 26, 1910 1,975,885 Wellman Oct. 9, 1934 2,087,920 Mascuch July 27, 1937 2,177,5081 Abbott Oct. 24 1939 2,291,434, Hollopeter et'al. July 8, 1942 2,318;822 Wantzl May 1l, 1943 2,379,942 Webber; July 10, 1945 2,397,735 Greib` Apr. 2, 1946 2,404,682 Baker July 23, 1946 2,443,654 Else et al June 22, 1948 FOREIGN PATENTS Number Country Date 471,536 England n Sept. 6, 1937 693,052., Germany, June 6, 1940

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US2758150A (en) * 1952-07-22 1956-08-07 Gen Electric Electrical connector for refrigerator defrosting means
US3104277A (en) * 1959-05-02 1963-09-17 Comp Generale Electricite Fluid-tight lead-out device for an electric conductor
US3209305A (en) * 1960-12-15 1965-09-28 Bruckner Paul Insulated conductor device
US3538487A (en) * 1968-09-17 1970-11-03 Entron Inc Coaxial cable connection means
US3728666A (en) * 1971-09-20 1973-04-17 Schroeder John Solderless connectors of the t type
US4108529A (en) * 1975-11-14 1978-08-22 Sealectro Corporation Electrical feedthrough devices
US4540231A (en) * 1981-10-05 1985-09-10 Amp Connector for semirigid coaxial cable
DE4326474A1 (en) * 1993-08-06 1995-02-09 Wolfgang B Thoerner Braceable electrical connector
US5632651A (en) * 1994-09-12 1997-05-27 John Mezzalingua Assoc. Inc. Radial compression type coaxial cable end connector
US20050003705A1 (en) * 2000-05-10 2005-01-06 Thomas & Betts International, Inc. Coaxial connector having detachable locking sleeve
US20050255735A1 (en) * 2004-05-14 2005-11-17 Thomas & Betts International, Inc. Coaxial cable connector
US20060118593A1 (en) * 2004-12-08 2006-06-08 Apex Mfg. Co., Ltd. Stapler capable of cutting staple legs one after another
US20060205272A1 (en) * 2005-03-11 2006-09-14 Thomas & Betts International, Inc. Coaxial connector with a cable gripping feature
US20070049113A1 (en) * 2005-08-23 2007-03-01 Thomas & Betts International, Inc. Coaxial cable connector with friction-fit sleeve
US20070093128A1 (en) * 2005-10-20 2007-04-26 Thomas & Betts International, Inc. Coaxial cable connector having collar with cable gripping features
US20070093127A1 (en) * 2005-10-20 2007-04-26 Thomas & Betts International, Inc. Prepless coaxial cable connector
US7241172B2 (en) 2004-04-16 2007-07-10 Thomas & Betts International Inc. Coaxial cable connector
US7288002B2 (en) 2005-10-19 2007-10-30 Thomas & Betts International, Inc. Coaxial cable connector with self-gripping and self-sealing features
US20080261445A1 (en) * 2007-04-17 2008-10-23 Thomas & Betts International, Inc. Coaxial cable connector with gripping ferrule
US20080274644A1 (en) * 2007-05-01 2008-11-06 Thomas & Betts International, Inc. Coaxial cable connector with inner sleeve ring
US20080311790A1 (en) * 2007-06-14 2008-12-18 Thomas & Betts International, Inc. Constant force coaxial cable connector
US20090176396A1 (en) * 2004-11-24 2009-07-09 John Mezzalingua Associates Inc. Connector having conductive member and method of use thereof
US20100255721A1 (en) * 2009-04-01 2010-10-07 John Mezzalingua Associates, Inc. Coaxial cable connector with improved physical and rf sealing
US20100297871A1 (en) * 2009-05-19 2010-11-25 John Mezzalingua Associates, Inc. Click-Tight Coaxial Cable Continuity Connector
US20100297875A1 (en) * 2009-05-22 2010-11-25 John Mezzalingua Associates, Inc. Coaxial cable connector having electrical continuity member
US20110021072A1 (en) * 2009-04-02 2011-01-27 John Mezzalingua Associates, Inc. Coaxial cable continuity connector
US20110117774A1 (en) * 2008-09-30 2011-05-19 Thomas & Betts International, Inc. Cable Connector
US20110230090A1 (en) * 2005-01-25 2011-09-22 Bence Bruce D Electrical connector with grounding member
US20110230091A1 (en) * 2004-11-24 2011-09-22 John Mezzalingua Associates, Inc. Connector having a conductively coated member and method of use thereof
US20110230089A1 (en) * 2009-05-22 2011-09-22 John Mezzalingua Associates, Inc. Coaxial cable connector having electrical continuity member
US8075338B1 (en) 2010-10-18 2011-12-13 John Mezzalingua Associates, Inc. Connector having a constant contact post
US8079860B1 (en) 2010-07-22 2011-12-20 John Mezzalingua Associates, Inc. Cable connector having threaded locking collet and nut
US8113879B1 (en) 2010-07-27 2012-02-14 John Mezzalingua Associates, Inc. One-piece compression connector body for coaxial cable connector
US8152551B2 (en) 2010-07-22 2012-04-10 John Mezzalingua Associates, Inc. Port seizing cable connector nut and assembly
US8167646B1 (en) 2010-10-18 2012-05-01 John Mezzalingua Associates, Inc. Connector having electrical continuity about an inner dielectric and method of use thereof
US8167635B1 (en) 2010-10-18 2012-05-01 John Mezzalingua Associates, Inc. Dielectric sealing member and method of use thereof
US8167636B1 (en) 2010-10-15 2012-05-01 John Mezzalingua Associates, Inc. Connector having a continuity member
US8272893B2 (en) 2009-11-16 2012-09-25 Corning Gilbert Inc. Integrally conductive and shielded coaxial cable connector
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US9762008B2 (en) 2013-05-20 2017-09-12 Corning Optical Communications Rf Llc Coaxial cable connector with integral RFI protection
US9859631B2 (en) 2011-09-15 2018-01-02 Corning Optical Communications Rf Llc Coaxial cable connector with integral radio frequency interference and grounding shield
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Cited By (164)

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Publication number Priority date Publication date Assignee Title
US2758150A (en) * 1952-07-22 1956-08-07 Gen Electric Electrical connector for refrigerator defrosting means
US3104277A (en) * 1959-05-02 1963-09-17 Comp Generale Electricite Fluid-tight lead-out device for an electric conductor
US3209305A (en) * 1960-12-15 1965-09-28 Bruckner Paul Insulated conductor device
US3538487A (en) * 1968-09-17 1970-11-03 Entron Inc Coaxial cable connection means
US3728666A (en) * 1971-09-20 1973-04-17 Schroeder John Solderless connectors of the t type
US4108529A (en) * 1975-11-14 1978-08-22 Sealectro Corporation Electrical feedthrough devices
US4540231A (en) * 1981-10-05 1985-09-10 Amp Connector for semirigid coaxial cable
DE4326474A1 (en) * 1993-08-06 1995-02-09 Wolfgang B Thoerner Braceable electrical connector
WO1995005017A1 (en) * 1993-08-06 1995-02-16 Thoerner Wolfgang B Deformable electric pin-and-socket connector
US5632651A (en) * 1994-09-12 1997-05-27 John Mezzalingua Assoc. Inc. Radial compression type coaxial cable end connector
US20050003705A1 (en) * 2000-05-10 2005-01-06 Thomas & Betts International, Inc. Coaxial connector having detachable locking sleeve
US8894440B2 (en) 2000-05-10 2014-11-25 Ppc Broadband, Inc. Coaxial connector having detachable locking sleeve
US8449324B2 (en) 2000-05-10 2013-05-28 Belden Inc. Coaxial connector having detachable locking sleeve
US9385467B2 (en) 2000-05-10 2016-07-05 Ppc Broadband, Inc. Coaxial connector having detachable locking sleeve
US10411393B2 (en) 2000-05-10 2019-09-10 Ppc Broadband, Inc. Coaxial connector having detachable locking sleeve
US7458849B2 (en) 2000-05-10 2008-12-02 Thomas & Betts International, Inc. Coaxial connector having detachable locking sleeve
US7192308B2 (en) 2000-05-10 2007-03-20 Thomas & Betts International, Inc. Coaxial connector having detachable locking sleeve
US9837752B2 (en) 2000-05-10 2017-12-05 Ppc Broadband, Inc. Coaxial connector having detachable locking sleeve
US8419470B2 (en) 2000-05-10 2013-04-16 Belden Inc. Coaxial connector having detachable locking sleeve
US20070243759A1 (en) * 2004-04-16 2007-10-18 Thomas & Betts International, Inc. Coaxial cable connector
US7241172B2 (en) 2004-04-16 2007-07-10 Thomas & Betts International Inc. Coaxial cable connector
US7063565B2 (en) 2004-05-14 2006-06-20 Thomas & Betts International, Inc. Coaxial cable connector
US20050255735A1 (en) * 2004-05-14 2005-11-17 Thomas & Betts International, Inc. Coaxial cable connector
US7845976B2 (en) 2004-11-24 2010-12-07 John Mezzalingua Associates, Inc. Connector having conductive member and method of use thereof
US7828595B2 (en) 2004-11-24 2010-11-09 John Mezzalingua Associates, Inc. Connector having conductive member and method of use thereof
US9312611B2 (en) 2004-11-24 2016-04-12 Ppc Broadband, Inc. Connector having a conductively coated member and method of use thereof
US10446983B2 (en) 2004-11-24 2019-10-15 Ppc Broadband, Inc. Connector having a grounding member
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