US3363222A - Coaxial patchcord assembly - Google Patents

Coaxial patchcord assembly Download PDF

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Publication number
US3363222A
US3363222A US517312A US51731265A US3363222A US 3363222 A US3363222 A US 3363222A US 517312 A US517312 A US 517312A US 51731265 A US51731265 A US 51731265A US 3363222 A US3363222 A US 3363222A
Authority
US
United States
Prior art keywords
contactor
assembly
cable
insert
ferrule
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
US517312A
Other languages
English (en)
Inventor
Karol Kenneth Norman
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
Priority to US517312A priority Critical patent/US3363222A/en
Priority to GB53368/66A priority patent/GB1117570A/en
Priority to FR87223A priority patent/FR1505012A/fr
Priority to ES334516A priority patent/ES334516A1/es
Priority to DE19661590073 priority patent/DE1590073A1/de
Priority to NL6618241A priority patent/NL6618241A/xx
Application granted granted Critical
Publication of US3363222A publication Critical patent/US3363222A/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
    • H01R9/00—Structural 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
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • H01R9/0518—Connection to outer conductor by crimping or by crimping ferrule
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • 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
    • H01R13/506—Bases; Cases composed of different pieces assembled by snap action of the parts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00—Two poles

Definitions

  • a patchcord assembly having a large contact area which mates with an aperture in a circuit panel.
  • the contact area comprises a spring section of oppositely directed C-shaped or semicircular members having a relatively low spring constant.
  • This invention relates to an improved coaxial terminal device of the type utilized in plugboards.
  • plugable electrical contactors There are many presently known types of plugable electrical contactors. These contacts are utilized for establishing electrical continuity between a current carrying coaxial cable and a selected one of a series of socket contacts placed in a plugboard.
  • the plugable contactors are subjected to many insertions and withdrawals relative to the plugboard.
  • a critical design requirement of such contactors is that the insertion and withdrawal forces exerted between the contactor and its corresponding socket must be held within close limits. The force must be small enough to permit the ready insertion of the contactor into the plugboard. However, the force must be large enough to prevent the contactor from becoming dislodged accidentally from the board aperture.
  • FIGURE 1 is a perspective view of a plugable contactor constituting a preferred embodiment of the present invention
  • FIGURE 2 is an exploded perspective view of the contactor of FIGURE 1 showing the various parts in their unassembled position;
  • FIGURE 3 is a top plan view showing the contactor of FIGURE I mounted in a plugboard;
  • FIGURE 4 is a side cross-sectional view of the plugable contactor.
  • FIGURE 5 is a cross-sectional view taken along the line 55 of FIGURE 4.
  • board member identifies a board member apertured as at 11 to receive the contactor assembly of the invention shown as 30, which etfectively terminates a coaxial cable 14.
  • Board member may be a portion of a connector block or may be part of a plugboard assembly having hundreds or thousands of apertures such as 11 into which large numbers of contactors may be inserted to, in effect, program connections between leads such as 14 and thereby between computer components connected to such leads.
  • the board 1 may be of an insulating material such as phenolic resin; diallyl phthalate or the like, or may be of metal such as aluminum with the apertures 11 molded or drilled therein.
  • contactor 3% As previously stated one of the requirements for contactor 3% is that it have a fixed insertion and withdrawal force in an axial sense so as not to become dislodged accidentally from the board aperture. An accidental dislodgement could arise by reason of some force or blow striking the end of the contactor shown as pin 50, or in plugboard use by reason of a plugboard spring member shown dotted in as 51 engaging pin 56. In plugboard use contactor must be frequently withdrawn from the aperture 11 and reinserted in some other aperture to effectively change the program to that desired. As a further requirement contactor 36 must and should provide a shielding of the center conductive path of cable 14 which is continuous from the cable itself up to and through the board 1%.
  • Contactor 3t accomplishes the above requirements by including an assembly separately terminating the inner and outer conductive paths of cable 14 to spaced and separate conductive paths insulated each from the other by a dielectric material.
  • the assembly components are shown generally as it a conductive metallic sleeve forming the outer conductive path and 50, a conductive metallic pin forming the inner conductive path, with it and being spaced apart and insulated each from the other by a dielectric insert 34.
  • the rear portion of contactor 30 is surrounded and captivated by an insulating boot 32 made of rubber, plastic, or some other insulating material. During insertion and withdrawal the contactor assembly 30 is normally gripped by means of boot 32 to avoid placing undue strains on cable 14.
  • the connector assembly can, if it is necessary, be withdrawn by pulling upon cable 14 without destroying the connection between the cable conductors and the conductive components of the assembly.
  • prior art devices wherein the conductive paths of the cable were soldered to the components of the connector, pulling forces applied on cable 14 frequently cracked the solder band to cause a connection failure. This is avoided in the assembly of the invention in a manner to be hereinafter described.
  • FI URES 2 and 4 the outer conductive path of cable 14 is extended through the assembly 30 by means of the shell or sleeve 40 which is of conductive metallic material having spring characteristics.
  • the rear portion of 40 is terminated to a ferrule member 42 which in turn is connected to the outer conductive braid 16 of cable 14 by means to be described.
  • the portion 4% is relieved as at 40h to provide upon crimping a working of the outside surface of 42 to lock 40 to ferrule 42. with respect to relative rotational movement between the members.
  • a second ferrule member 66 is disposed around portion 40a of the shell or sleeve 49 and aids upon crimping in insuring electrical continuity between the braid 16, ferrule 42 and shell 40.
  • the ring 4% serves to limit the inward travel of the contactor into aperture 11 of board 10.
  • the ring ell-b serves as an abutment which lies at the forward end of the boot 32 and hence protects the end of the boot from accidental damage.
  • the pair of rings 40! and 40b present a corrugated section which greatly enhances the rigidity of the sleeve 41) and aids in maintaining the sleeve in its cylindrical configuration.
  • section 400 of enlarged diameter Forward of the rings 40]) and 49b, and as an integral part of sleeve 40, is a section 400 of enlarged diameter and as best seen in FIGURE 5 is in the form of a pair of oppositely directed C-rnembers.
  • the section 400 will be reduced in diameter upon insertion of the contactor into the board and will exert a tight frictional spring action which operates to hold assembly 3% within the board.
  • the C-shaped configuration of section 400 has two distinct advantages over the prior art configurations. First it can be appreciated that the contact area between assembly and board 10 will extend over the entire surface of portion 490 in contradistinction to the spring runners of the prior art. By utilizing the entire surface there is no danger of galling the apertures 11 in board 10.
  • the C-shaped configuration provides a spring with a relatively low spring Constant, that is a relatively low force will produce a relatively large spring displacement and stated conversely a relatively large displacement of section 400 will produce a relatively low spring force.
  • This feature is very important in that as already stated the manufacturing of the shell 4t) will result in slight variations in dimensions in the section 400 which variations will result in varying amount of displacements of the section c when the assembly 30 is inserted Within the apertures 11 in board 10.
  • due to the low spring rate of the section 460 these slight variations in the extent of movement of section 400 will result in negligible variations in the force produced and thus the insertion and withdrawal forces of the assembly 30 can be maintained within very close limits.
  • the forward portion of sleeve 40 extends outwardly to an end engaging a flange 34b of the insert 34. This end portion, as seen in FIGURE 2, serves to clinch the shell 40 to the insert 34.
  • the forward portion of the shell is separated from the spring portion 40c by an'aperture 48a.
  • the spring section 490 is separated from the rear portion 491: by an aperture 40d, the apertures 40d and 49s being joined by the gap 43g extending through the section 40c.
  • the shell 40 is formed generally of tubular configuration of a malleable material such as annealed copper.
  • Ferrule 52 is made to extend over a substantial portion of cable 14 and is, in cooperation with ferrule 56, crirnped inwardly thereagainst over a portion of the cable outer insulating sheath 15 and inwardly against the cable braid 16 against a metallic backing ferrule 44.
  • the backing ferrule 44 is of a harder material to resist crushing of the cable dielectric 18 by the crimp applied to ferrules 42 and 69.
  • the braid 16 is then thus terminated to the ferrule assembly 42 and 44 and thereby to the sleeve 49 to extend the conductive path of the cable along the contactor assembly to the end of sleeve 45) proximate flange 34b as shown in FIGURE 4.
  • the backing ferrule 44 includes a flange 44a which is turned outwardly .to define a surface against which the dielectric insert 34 is butted.
  • the interior bore of ferrule 44- is slightly larger than the maxi- .uim diameter of the cable dielectric 18.
  • the dielectric or insulating insert 34 includes a beveled end 34a adapted to facilitate insertion of the contactor within aperture 11 of board 10.
  • a beveled end 34a Spaced along insert 34 and underlying the portion itle of sleeve 46 is an annular relief or recess 340 provided in insert 34 to permit the spring section 48c to be compressed inwardly upon insertion of the contactor within aperture 11 of board 10 without compressing the insert material.
  • insert 34 includes an inner bore shown as 343 of a diameter to receive the contactors central pin member 50 with a sliding fit.
  • the rear portion of insert 34 includes a bore 34d of a slightly larger diameter to permit pin member 50 to be inserted in insert 34 and held against outward axial displacement. Except for the relieved portion 340, insert 34 is in contact and gripped by sleeve 40 along its entire length.
  • a pair of separate dielectric spacer inserts 36 which are included to facilitate assembly of the contactor assembly 39 and at the same time positively hold the central contact' pin member 54 against accidental engagement with the outer conductive path at ferrule flange 44a.
  • the center conductive pin member St has a forward contact portion 50a and a central portion which is cut away and adapted to be formed as by crimping to mechanically and electrically connect the center conductor 2% of cable 14 to pin 5%.
  • the portion 50b is raised upwardly to provide clearance as at 50c and includes flanges 5ld folded inwardly as shown in FIGURE 5.
  • On at least one surface of central pin member 59 is a dimple 50c which extends radially to bite into and engage the material of insert 34 and prevent relative movement in a rotational sense between pin 50 and 4t
  • Adjacent dimple E ie is an outwardly flared portion 59f which openates'by engaging portion 34d to lock pin 59 against axial withdrawal from the contactor assembly.
  • the sloped or tapered surface of 5b readily facilitates assembly of the pin within insert 34. Axial displacement of pin 59 to the left relative to the assembly is prevented by thedirnple Site and by the pin engagement with inserts 36 which in turn are butted against the flange 44a of ferrule 44.
  • the conductive pin member 56 is thus mechanically secured to the insert 34 and to sleeve 40 and thereby to boot 32; thereby preventing rotational and axial movements of pin member 59 during insertion and withdrawal of the contact.
  • a plug contactor foruse with a coaxial cable in- V eluding a central pin member crimped to the center conductor of the coaxial cable and a ferrule assembly crimped to the outer conductor of the coaxial cable and an insulating insert supporting said central pin member and including a radially relieved portion on the outer surface
  • the improvement comprising a metallic shell member disposed over said insulating insert and said ferrule assembly, the said shell member including a spring section of oppositely directed, substantially semicircular members positionsd over the insert relieved portion and of a diameter adapted to engage the aperture of a board member With which the contactor is utilized and be driven inwardly into said relieved portion to frictionally hold said contactor within said bored member, said semicircular members forming together a substantially circular periphery, said semicircular members further being of substantial length in an axial direction to present a relatively large contact area for cooperation with the board member.
  • said shell member further comprising a pair of circumferential rings constituting a corrugated section, said corrugated section serving to enhance the rigidity of said contactor.
  • said spring section having an internal diameter which is larger than the external diameter of said insulating insert.
  • a ferrule member disposed around said shell member adjacent the rearward portion thereof, said ferrule member serving to secure said shell member to said ferrule assembly.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
US517312A 1965-12-29 1965-12-29 Coaxial patchcord assembly Expired - Lifetime US3363222A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US517312A US3363222A (en) 1965-12-29 1965-12-29 Coaxial patchcord assembly
GB53368/66A GB1117570A (en) 1965-12-29 1966-11-29 Coaxial connector
FR87223A FR1505012A (fr) 1965-12-29 1966-12-13 Connecteur d'extrémité enfichable pour câble coaxial
ES334516A ES334516A1 (es) 1965-12-29 1966-12-14 Un dispositivo de conectador coaxil.
DE19661590073 DE1590073A1 (de) 1965-12-29 1966-12-17 Koaxialverbinder
NL6618241A NL6618241A (enrdf_load_html_response) 1965-12-29 1966-12-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US517312A US3363222A (en) 1965-12-29 1965-12-29 Coaxial patchcord assembly

Publications (1)

Publication Number Publication Date
US3363222A true US3363222A (en) 1968-01-09

Family

ID=24059287

Family Applications (1)

Application Number Title Priority Date Filing Date
US517312A Expired - Lifetime US3363222A (en) 1965-12-29 1965-12-29 Coaxial patchcord assembly

Country Status (6)

Country Link
US (1) US3363222A (enrdf_load_html_response)
DE (1) DE1590073A1 (enrdf_load_html_response)
ES (1) ES334516A1 (enrdf_load_html_response)
FR (1) FR1505012A (enrdf_load_html_response)
GB (1) GB1117570A (enrdf_load_html_response)
NL (1) NL6618241A (enrdf_load_html_response)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD300425S (en) 1985-03-08 1989-03-28 Sony Corporation Coaxial-type electrical plug
US5073129A (en) * 1989-06-12 1991-12-17 John Mezzalingua Assoc. Inc. Coaxial cable end connector
US5217393A (en) * 1992-09-23 1993-06-08 Augat Inc. Multi-fit coaxial cable connector
US5338225A (en) * 1993-05-27 1994-08-16 Cabel-Con, Inc. Hexagonal crimp connector
US5501616A (en) * 1994-03-21 1996-03-26 Holliday; Randall A. End connector for coaxial cable
US5651699A (en) * 1994-03-21 1997-07-29 Holliday; Randall A. Modular connector assembly for coaxial cables
US6007378A (en) * 1997-05-02 1999-12-28 Qualcomm Incorporated Locking boot system
US6808416B2 (en) * 2002-04-04 2004-10-26 Yazaki North America, Inc. Coaxial cable connector
US20040219834A1 (en) * 2003-04-09 2004-11-04 Hirschmann Electronics Gmbh & Co. Kg Coaxial cable coupler, especially an antenna coupler
US6955563B1 (en) * 2005-02-08 2005-10-18 Croan Quinn F RJ type modular connector for coaxial cables
US20100022124A1 (en) * 2008-07-25 2010-01-28 Kuen-Ming Shie Coaxial cable connector

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1202118B (it) * 1985-07-16 1989-02-02 Massimo Calearo Perfezionamento alla costruzione di una spina per cavo coassiale di antenne per autoradio

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2708740A (en) * 1950-02-25 1955-05-17 Essex Wire Corp Wire connector
CA605822A (en) * 1960-09-27 Malco Tool And Mfg. Co. Terminal pin
GB852563A (en) * 1957-06-20 1960-10-26 Amp Inc Improvements in electrical connections and in methods of making these electrical connections
US2983895A (en) * 1957-12-11 1961-05-09 Reeves Instrument Corp Coaxial jack plug
US3072880A (en) * 1959-08-05 1963-01-08 Malco Mfg Co Snap-in terminal for panel
US3107964A (en) * 1962-01-24 1963-10-22 Vaco Products Co Electrical terminal connector
US3245030A (en) * 1963-10-25 1966-04-05 Amico Anthony F D Replaceable contact for multiple connector
US3284755A (en) * 1964-03-31 1966-11-08 Amp Inc Coaxial patchcord assembly

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA605822A (en) * 1960-09-27 Malco Tool And Mfg. Co. Terminal pin
US2708740A (en) * 1950-02-25 1955-05-17 Essex Wire Corp Wire connector
GB852563A (en) * 1957-06-20 1960-10-26 Amp Inc Improvements in electrical connections and in methods of making these electrical connections
US2983895A (en) * 1957-12-11 1961-05-09 Reeves Instrument Corp Coaxial jack plug
US3072880A (en) * 1959-08-05 1963-01-08 Malco Mfg Co Snap-in terminal for panel
US3107964A (en) * 1962-01-24 1963-10-22 Vaco Products Co Electrical terminal connector
US3245030A (en) * 1963-10-25 1966-04-05 Amico Anthony F D Replaceable contact for multiple connector
US3284755A (en) * 1964-03-31 1966-11-08 Amp Inc Coaxial patchcord assembly

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD300425S (en) 1985-03-08 1989-03-28 Sony Corporation Coaxial-type electrical plug
US5073129A (en) * 1989-06-12 1991-12-17 John Mezzalingua Assoc. Inc. Coaxial cable end connector
US5217393A (en) * 1992-09-23 1993-06-08 Augat Inc. Multi-fit coaxial cable connector
US5338225A (en) * 1993-05-27 1994-08-16 Cabel-Con, Inc. Hexagonal crimp connector
US5499934A (en) * 1993-05-27 1996-03-19 Cabel-Con, Inc. Hexagonal crimp connector
US5651699A (en) * 1994-03-21 1997-07-29 Holliday; Randall A. Modular connector assembly for coaxial cables
US5501616A (en) * 1994-03-21 1996-03-26 Holliday; Randall A. End connector for coaxial cable
US6007378A (en) * 1997-05-02 1999-12-28 Qualcomm Incorporated Locking boot system
US6808416B2 (en) * 2002-04-04 2004-10-26 Yazaki North America, Inc. Coaxial cable connector
US20040219834A1 (en) * 2003-04-09 2004-11-04 Hirschmann Electronics Gmbh & Co. Kg Coaxial cable coupler, especially an antenna coupler
US7112092B2 (en) * 2003-04-09 2006-09-26 Hirschmann Electronics Gmbh & Co. Kg Coaxial cable coupler, especially an antenna coupler
US6955563B1 (en) * 2005-02-08 2005-10-18 Croan Quinn F RJ type modular connector for coaxial cables
US7021964B1 (en) * 2005-02-08 2006-04-04 Croan Quinn F RJ “F”, modular connector for coaxial cables
US20100022124A1 (en) * 2008-07-25 2010-01-28 Kuen-Ming Shie Coaxial cable connector

Also Published As

Publication number Publication date
FR1505012A (fr) 1967-12-08
DE1590073A1 (de) 1970-04-16
NL6618241A (enrdf_load_html_response) 1967-06-30
ES334516A1 (es) 1968-03-01
GB1117570A (en) 1968-06-19

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