Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.


  1. Advanced Patent Search
Publication numberUS3432798 A
Publication typeGrant
Publication dateMar 11, 1969
Filing dateAug 10, 1967
Priority dateAug 10, 1967
Also published asDE1766569A1
Publication numberUS 3432798 A, US 3432798A, US-A-3432798, US3432798 A, US3432798A
InventorsAlexander R Brishka
Original AssigneeSealectro Corp
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Right angle connectors
US 3432798 A
Abstract  available in
Previous page
Next page
Claims  available in
Description  (OCR text may contain errors)

March l1, 1969 A. R. BRISHKA 3,432,798


United States Patent O 6 Claims ABSTRACT F THE DISCLOSURE A right angle contact including an insulated contact wire, a conductive housing with terminals at right angles to each other therefor, the cavity in the housing being filled with finely divided metallic particles.

This invention relates to angular electrical connectors and more particularly to right angle connectors.

An important object of the present invention is to provide an angular connector -with improved electrical characteristics and wherein a constant characteristic impedance is maintained at all transverse cross sections. A further object is to provide an improved right angle connector which achieves the optimum electrical properties and which eliminates, insofar as possible, impedance discontinuities on an incremental basis. In other words, each incremental section of the transmission line is proportioned to introduce no reflection.

The usual practice in Iforming angular or elbow connectors has been to use a two piece contact and insulator design and form the fright angle by soldering the two straight contacts together. The cavity surrounding the joint is then filled with insulating material, or the cavity may be left unfilled with air acting as the dielectric. This device gives poor electrical performance due primarily to the noneconstant relationship of the distance between the outer diameter of the inner conductor and the inner diameter of the outer conductor.

'Ilhe principal object of the present invention is to provide a right angle connector whose electrical properties approximate those of similar straight connectors through the same frequency excursions. r[lhese advantages are achieved by the use of a single contact and enclosing insulator bent at a 90 angle, and by employing novel means to insure a constant inner to outer conductor distance ratio at all points around the 90 bend.

This is achieved by filling the cavity around the bend with small conductive metallic particles. These metallic particles can be exceedingly fine and in order to insure the cavity being completely filled at all times and avoid any shifting of the mass which might produce a void,

some adhesive or other binder may be incorporated with y the particles to produce in effect a solid mass which precisely fits the cavity. This arrangement has produced significantly better results in enhancing the VSWR performance of the connector than by the use of a metallic insert, contoured to form around the circumference of the bent insulator.

The figure of the drawing is a central longitudinal section taken through a right angle connector embodying the present invention.

The right angle connector of the present invention employs a single contact 10 of substantially the same dia-meter as the central conductor 11 of a coaxial cable 112, the contact being enclosed in an insulating sleeve 14. One end of the contact mayhave a reduced or rounded terminal section 18 wfhich is received in force fit relation in a female contact having a solid central section .19, a slotted bore 20 to receive the contact, and a bore 22 at its other end to receive the central conductor 11. The


wall of bore 22 may have an opening to receive a drop of solder shown at 24. The other end section of the contact is rounded and is of reduced diameter at 26 to be received in a female contact (not shown) for connection with another coaxial cable.

A tubular body 27 receives one end of the insulated right angular contact and, at one end, it has a bore 28 for receiving one end of the insulated angular contact in snug fit relation. The inner end of bore 28- is tapered outrwardly at 29 to facilitate entry of the insulated contact. Continuing outwardly, the bore has a slightly enlarged section 30 followed by a further enlarged section 311 and terminates in thread section 35'. The female contact 19 is enclosed in an insulating sleeve 37 of lesser diameter than bore 30. One end of sleeve 37 abuts against insulation 14 and the other abuts against insulation 16 of the coaxial cable.

At the inner end of bore 31, there is a bushing 32 followed by a clamp gasket 33 for sealing this end against moisture, and next a collar 34 having slotted, tapered ends 36 which are engaged by a tapered section 38 of a bore in an externally threaded clamp nut 40 received on threaded terminal 35 of the body section. A wrench receiving part 42 facilitates screwing the nut into place, compressing the tapered ends 3 6 between tapered bore 38 and metal cable sheath 44, t-hus assuring a firm contact between the cable sheath and the body member.

The opposite end of this body member has a reduced threaded section `46 which receives a sleeve 48 internally threaded at 50 to receive section 46. Sleeve 48 is also internally threaded at its other end 52 to receive a closure plug 54 closing the cavity, between the sleeve 48 and the insulation 14', which contains tightly packed metallic particles 55. The lower portion of sleeve 48, when viewed as in the drawing, llas a threaded hole 56 to receive a reduced threaded terminal 58 of a tubular body 60` whose axis is at right angles to the major axis of body member 27 and has an upper flange 61. A coupling nut 63 having a wrench receiving surface 62 is carried on body 60y and is connected thereto by a split locking ring 64 positioned in aligned annular slots 65 and 67 in body 60 and nut 62. Body 60 has a bore 69 of such size as to receive the insulation 14 of the contact in snug fit relation and a sealing gasket 66 is positioned in a recess 70 at the outer end of body 60, thus providing a seal between body 60 and coupling nut 63, which latter is threaded at 711.

While there have been described herein what are at present considered preferred embodiments of the invention, it will be obvious to those skilled in the art that many modifications and changes may be made therein without departing from the essence of the invention. 'It is therefore to be understood that the exemplary embodiments are illustrative and not restrictive of the invention, the scope of which is defined in the appended claims, and that all modifications that come within the meaning and range of equivalency of the claims are intended to be included therein.

The embodiments of the invention in which the exclusive property or privilege is claimed are defined as follows:

1. An angular connector comprising a single contact with end sections and provided with an angular bend and insulation between its end sections, Ia main tubular body having a bore to receive one end of the insulation and having a terminal portion to receive another conductor, an inner extension of said main body, axially -aligned therewith, and enclosing the bend portion of said contact and its insulation, closure means at the outer end of said extension, and finely divided electrically conductive particle-s filling the cavity formed between the insulation and the body sections, said extension having a side wall opening and a tubular extension secured in the opening -Y at an angle to the main tubular body and through which the opposite end of the insulation and contact passes.

2. The structure described in claim 1 wherein the particles are metallic.

3. The structure described in claim 1 wherein said angular bend is a right angle.

4. The structure described in claim 1 wherein means are provided at at least one end for connecting the contact with a coaxial cable.

5. The structure described in claim 1 wherein the tubular extension has `a bore to receive a second end of the insulated contact in sung t relation, and a coupling nut is carried by said tubular extension, the nut and tubular extension having complementary annular grooves `and a split spring washer extends into both grooves for securing the parts together.

6. A right angle connector comprising a single contact with tapered end sections for insertion in female contacts and provided with a right angular bend and insulation between its end sections, a main tubular body having a bore to receive one end of the insulation and having an enlarged outer terminal portion to receive an end of a coaxial cable, a female contact for connecting one conductor of said cable with the contact, an inner extension of said main body axially aligned therewith and enclosing the bend portion of said contact and its insulation, a closure means at the outer end of said extension, and finely divided metallic particles filling the cavity formed between the insulation, the body extension `and the inner end of the body, said extension having a side wall opening and a tubular body secured in the opening at right angles to the main tubular body and through which the opposite end of the insulation and contact passes, and a coupling nut at the free end of said body extension.

References Cited UNITED STATES PATENTS 2,933,714 4/1960 Overholser 339-177 3,254,316 5/1966 McHenry 333-22 3,322,885 5/1967 May et al. 174-78 FOREIGN PATENTS 1,241,785 8/1960 France.

RICHARD E. WOOD, Primary Examiner.

I. H. MCGLYNN, Assistant Examiner.

U.S. Cl. X.R. 339-177

Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
US2933714 *Dec 10, 1956Apr 19, 1960Tamar IncCoaxial adapter
US3254316 *Oct 2, 1963May 31, 1966Omni Spectra IncResistive termination wherein coaxial inner conductor is movable to improve connection to coaxial line
US3322885 *Jan 27, 1965May 30, 1967Gen ElectricElectrical connection
FR1241785A * Title not available
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3528052 *May 13, 1968Sep 8, 1970Alexander R BrishkaRight angle connectors
US3621413 *Jan 19, 1970Nov 16, 1971Bunker RamoStrain relief for electrical connectors
US3731378 *Apr 29, 1971May 8, 1973AstrolabMethod of assembling sweep right angle connector
US3764959 *Jul 18, 1972Oct 9, 1973AstrolabUniversal coaxial cable connector
US3836946 *Mar 22, 1973Sep 17, 1974Siemens AgCoaxial connector
US4364624 *Apr 14, 1978Dec 21, 1982Williams Robert AAdapter assembly for electrical leads
US4861271 *Dec 7, 1987Aug 29, 1989Amp IncorporatedRight-angle coaxial plug connector
US4881912 *Apr 29, 1988Nov 21, 1989Specialty Connector Company, Inc.High voltage coaxial connector
US5061206 *Nov 2, 1990Oct 29, 1991Hirose Electric Co., Ltd.Connector for coaxial cable
US6126482 *Oct 27, 1998Oct 3, 2000Thomas & Betts International, Inc.Right angle coaxial cable connector
US6283790 *Mar 16, 2000Sep 4, 2001Suntec & Co., Ltd.L-shaped connector for connecting antenna wire
US6645006 *Jul 5, 2000Nov 11, 2003Mannesmann Vdo AgElectrical connector
US7273394 *Nov 17, 2005Sep 25, 2007Yazaki North America, Inc.Right angle coaxial connector
US7530841 *Sep 15, 2003May 12, 2009Corning Cabelcon A/SCoaxial angle connector
US7753725 *Mar 24, 2009Jul 13, 2010Corning Gilbert Inc.Coaxial angle connector
US8047872Jul 15, 2010Nov 1, 2011Corning Gilbert Inc.Coaxial angle connector and related method
US8992250 *Mar 15, 2013Mar 31, 2015Megaphase, LlcClockable cable adapter
US9048587 *Mar 25, 2010Jun 2, 2015Tyco Electronics Uk LtdCoaxial connector with inner shielding arrangement and method of assembling one
US9054471Feb 1, 2013Jun 9, 2015Megaphase, LlcCoaxial angled adapter
US20040192107 *Mar 31, 2004Sep 30, 2004Kazuhiko IkedaCoaxial connector
US20090186522 *Mar 24, 2009Jul 23, 2009Jimmy Ciesla HenningsenCoaxial Angle Connector
US20120021645 *Mar 25, 2010Jan 26, 2012Tyco Electronics Uk Ltd.Coaxial connector with inner shielding arrangement and method of assembling one
CN101826692A *May 10, 2010Sep 8, 2010苏州市吴通通讯器材有限公司Mobile communication adapter
EP1794839A1 *Sep 27, 2005Jun 13, 2007Centurion Wireless Technologies, Inc.Antenna joint connector
WO2000008723A1 *Jul 30, 1999Feb 17, 2000Baffert Jean MarcCoaxial connector element comprising a connection for linking the central conductor of a coaxial cable to the contact of the connector element
WO2005027276A1Sep 15, 2003Mar 24, 2005Corning Cabelcon AsCoaxial angle connector
WO2011011589A1 *Jul 22, 2010Jan 27, 2011Corning Gilbert Inc.Coaxial angle connector and related method
U.S. Classification439/322, 439/86, 439/582, 439/99
International ClassificationH01R13/646
Cooperative ClassificationH01R2103/00