EP0000434A1 - Bloc de connexion pour relier des fils avec deux parties applicables l'une sur l'autre et des barrettes de contact fendues - Google Patents

Bloc de connexion pour relier des fils avec deux parties applicables l'une sur l'autre et des barrettes de contact fendues Download PDF

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Publication number
EP0000434A1
EP0000434A1 EP78300122A EP78300122A EP0000434A1 EP 0000434 A1 EP0000434 A1 EP 0000434A1 EP 78300122 A EP78300122 A EP 78300122A EP 78300122 A EP78300122 A EP 78300122A EP 0000434 A1 EP0000434 A1 EP 0000434A1
Authority
EP
European Patent Office
Prior art keywords
connector
accordance
conductors
body member
projections
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.)
Granted
Application number
EP78300122A
Other languages
German (de)
English (en)
Other versions
EP0000434B1 (fr
Inventor
Richard Newman Berglund
John Paul Pasternak
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.)
AT&T Corp
Original Assignee
Western Electric Co 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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of EP0000434A1 publication Critical patent/EP0000434A1/fr
Application granted granted Critical
Publication of EP0000434B1 publication Critical patent/EP0000434B1/fr
Expired 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
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/242—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members being plates having a single slot
    • H01R4/2425—Flat plates, e.g. multi-layered flat plates
    • H01R4/2429—Flat plates, e.g. multi-layered flat plates mounted in an insulating base
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/242—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members being plates having a single slot
    • 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
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks

Definitions

  • This invention relates to devices for making electrical cross-connections between two sets of conductors and, in particular, to apparatus for interconnecting first conductors with associated second conductors, the apparatus comprising a first connector of insulative material, provided with individual receiving and indexing means for the first conductors, and a second connector for mating with the first connector, comprising a body member of insulative material and a plurality of slotted beam contacts.
  • wire connecting blocks of the type including an indexing strip and a connecting block wherein the connecting block carries a plurality of slotted beam contacts, such as disclosed in U.S. Patent No. 3,611,264.
  • the indexing strip has a plurality of uniform height, spaced-apart teeth along its length. These teeth aid in indexing a first set of conductors.
  • a corresponding plurality of uniform height, spaced-apart teeth carried by the connecting block serve to index a second set of conductors to be cross-connected through the slotted beam contacts to the first set of conductors.
  • this improved connecting block is a two-piece structure, the parts of which are secured together following insertion of the slotted beam contacts. While this connecting block arrangement has proved to be satisfactory in some applications, it was found that when the connecting block is placed over the indexing strip in cold temperatures, certain stresses are applied to the bond between the two connector parts. These stresses often rupture the bond causing failure of the entire unit.
  • the body member in which the contacts are held can be manufactured as one piece, so avoiding rupture of a bond between paths thereof.
  • assembly of the slotted beam contacts in the connector is facilitated by the use of the contact holding means which enables the contacts to be inserted easily in the body member and then secured by the contact holding means.
  • a preferred embodiment of the invention has a L-shaped skirt integral with and projecting away from the second connector for encasing the end of the first conductors.
  • a first mating connector hereinafter denoted as indexing strip 11 and shown in FIGS. 1 through 3, includes a longitudinally extending body member 12. Integral with body member 12 and extending generally perpendicular to an axis thereof are a plurality of spaced-apart teeth 13. Teeth 13 alternate in height to facilitate indexing of a first set of conductors 14 shown in FIG. 9. To further facilitate wire indexing, teeth 13, as shown in FIG. 1, have tapered tip regions 15 on adjacent sidewalls 16. These tapered tip regions 15 form generally funnel-shaped wire entry ways for directing conductors 14 into wire retaining slots 17 formed by spaced-apart teeth 13.
  • Adjacent sidewalls 16 of spaced-apart teeth 13 have integral therewith a pair of opposed depressions 18 for capturing and holding an indexed conductor 14 between the teeth in a wire retaining slot 17.
  • Opposed depressions 18 are located at an intermediate point along the height of teeth 13 above wire retaining slot 17.
  • edges 20 and 21 Extending along a length of body member 12 are outwardly projecting edges 20 and 21, as shown in FIG. 2. Edges 20 and 21 are at different elevations along body member 12 with edge 20 being at a lower elevation than edge 21 when viewed from tapered tip regions 15 of spaced-apart teeth 13. This difference in elevation of edges 20 and 21 enables only one way engagement of indexing strip 11 with a second mating connector 40, as shown in FIG. 9. Edge 21 has a width nearly twice the width of edge 20. This difference in width facilitates cutoff of first conductors 14 by a tool (not shown).
  • FIG. 2 Also shown in FIG. 2 is a generally funnel-shaped channel 22 which is integral with sidewall 16 of spaced apart teeth 13. A similar channel 22 is integral with an opposed sidewall 16 of teeth 13. These funnel-shaped channels 22 have widths of greater extent at tip regions 15 of teeth 13 to facilitate directing slotted beam contacts 30, carried by second mating connector 40 and shown in FIG. 4, into engagement with indexed conductors 14, as shown in FIG. 9.
  • Indexing strip 11 is affixed to a support carrier (not shown), similar to that illustrated as element 36 in FIG. 2 of U.S. Patent No. 3,798,587, by cylindrical posts 23. Posts 23 are inserted into apertures in the support carrier and heated to produce an expanded head similar to that of a rivet.
  • a plurality of truncated cylindrical projections 24 are integrally provided on outer walls of spaced-apart teeth 13. Projections 24, as shown in FIGS. 2 and 3, have a greater thickness near an edge opposite tip regions 15 of spaced-apart teeth 13. This coupling arrangement will be considered in further detail following the description of second mating connector 40.
  • Each of contacts 30 includes a central portion 31 which has first and second pairs of oppositely directed cantilever beams 32 and 33 extending therefrom. Each of the beams in the pairs of beams 32 and 33 are spaced apart from one another by elongated generally rectangular apertures 34 and 35, respectively. Apertures 34 and 35 extend from central portion 31 to a point near a pair of oppositely directed insulation-penetrating edges 36 and 37, respectively, at the ends of beams 32 and 33. It should be noted that beams 33 are of shorter length than beams 32 to increase the force provided by edges 37 during engagement with conductor insulation. Also included in central portion 31 is a generally over-shaped aperture 25 used in mounting contact 30 in mating connector 40.
  • the second mating connector 40 shown in FIG. 4, comprises a body member 41 which has a plurality of elongate generally rectangular cavities 42 therein for slidably engaging slotted beam contacts 30. Extending partially along planar inner sidewalls 43 of cavities 42 are channel cavities 44. A corresponding plurality of spaced-apart apertures 45 are included in an outer sidewall 46 of body member 41. Spaced-apart apertures 45 are aligned in one-to-one correspondence with rectangular cavities 42 and channel cavities 44.
  • Anchoring member 50 shown in FIG. 5 is comprised of a generally flat rectangular member 51. Integral with member 51 and extending outwardly therefrom are a plurality of spaced-apart generally triangular projections 52. Extending from tops of triangular projections 52 are projections 53 and 54. Interposed between projections 53 and 54 is a notch 55 the width of which is approximately equal to a width of central portion 31 between apertures 25 and 34 of contact 30. The projections 52, 53, 54 extend through the apertures 45 in the wall 46 of respective cavities 42, to hold the contacts in the cavities.
  • Triangular projections 52 in conjunction with projections 53 and 54 and the depth of notch 55, limit the extent of engagement of slotted beam contact 30 with rectangular member 51. It should be noted that projection 53 extends through slot 34 in the contact into channel cavities 44 and projection 54 extends through aperture 25 in the contact into aperture 26.
  • This mounting arrangement for slotted beam contacts 30 couples insertion forces produced during engagement of second mating connector 40 with indexing strip 11 into projections 53 and 54. Consequently, the insertion forces tend toward the shearing of projections 53 and 54 rather than the splitting of body member 41.
  • the former includes a projecting lip 56 along a lengthwise edge 57.
  • Outer sidewall 46 has a mating groove 48 extending along its length. This lip and groove arrangement provides a polarized mating of anchoring member 50 with body member 41.
  • the two members 50 and 41 are secured to one another, for example, by ultrasonic welding.
  • body member 41 has integral therewith and extending outwardly away therefrom a generally L-shaped skirt 61.
  • a plurality of scallops 62 as shown in FIG. 4, along the base leg of the "L” and along opposite edge 63, engage conductors 14, as shown in FIG. 9, and hold them in place between indexing strip 11 and mating connector 40.
  • Skirt 61 encases exposed ends 19 of first conductors 14 to electrically isolate them from one another. Not only does the insulative material of which both indexing strip 11 and mating connector 40 are made provide electrical isolation, but skirt 61 in conjunction with sealing compound (not shown) shields exposed ends 19 to prevent any accumulation of moisture which could cause electrical short circuits.
  • mating connector 40 with the plurality of slotted beam contacts 30 therein is brought into engagement with indexing strip 11.
  • Mating connector 40 is coupled securely to indexing strip 11 by projections 24 which engage a corresponding plurality of circular apertures 49 in sidewall 46 and skirt 61.
  • Circular apertures 49 are aligned in correspondence with truncated cylindrical projections 24 so that apertures 49 surround projections 24 with the greater thickness inhibiting separation of mating connector 40 from indexing strip 11 once the two are mated.
  • mating connector 40 holds the slotted beam contacts 30 in a spatial relationship so that an individual contact 30 is engageable with an individual conductor 14. Opposite ends of contacts 30 are now available for engagement with second conductors 39, as shown in FIG. 9.
  • mating connector 40 has a plurality of spaced-apart, alternating height teeth 65 integral with body member 41.
  • Teeth 65 have a configuration somewhat similar to that of teeth 13 on indexing strip 11 insofar as teeth 65 have tapered tip regions 66 forming funnel-shaped wire entry ways 67.
  • Projections 71 have a thickness of greater extent at a central point therein which is removed from taper tip regions 66. Projections 71 facilitate capture and inhibit conductors 39 from separating from mating connector 40 after being seated in contacts 30.
  • extended lateral projections 72 on teeth 65 as shown in FIG. 8. These extended projections 72 increase the electrical path length between adjacent exposed conductor ends. On outer edges of alternate ones of projections 72 are projecting lips 73 for facilitating engagement of a test cord (not shown) with mating connector 40.
EP78300122A 1977-07-06 1978-07-06 Bloc de connexion pour relier des fils avec deux parties applicables l'une sur l'autre et des barrettes de contact fendues Expired EP0000434B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US813306 1977-07-06
US05/813,306 US4118095A (en) 1977-07-06 1977-07-06 Wire connecting block

Publications (2)

Publication Number Publication Date
EP0000434A1 true EP0000434A1 (fr) 1979-01-24
EP0000434B1 EP0000434B1 (fr) 1983-05-11

Family

ID=25212012

Family Applications (1)

Application Number Title Priority Date Filing Date
EP78300122A Expired EP0000434B1 (fr) 1977-07-06 1978-07-06 Bloc de connexion pour relier des fils avec deux parties applicables l'une sur l'autre et des barrettes de contact fendues

Country Status (6)

Country Link
US (1) US4118095A (fr)
EP (1) EP0000434B1 (fr)
JP (1) JPS58158B2 (fr)
DE (1) DE2862245D1 (fr)
ES (1) ES471510A1 (fr)
IT (2) IT7853481V0 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0311263A2 (fr) * 1987-09-14 1989-04-12 Minnesota Mining And Manufacturing Company Connecteur de terminaison pour la communication voix/données
US5503572A (en) * 1994-05-17 1996-04-02 Mod-Tap Corporation Communications connectors
US5522733A (en) * 1991-06-12 1996-06-04 Mod-Tap W Corp. Electrical connectors
USRE41311E1 (en) 1992-02-24 2010-05-04 Commscope, Inc. Of North America High frequency electrical connector

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4210379A (en) * 1979-03-15 1980-07-01 Amp Incorporated Modular barrier block
FR2457573A1 (fr) * 1979-05-25 1980-12-19 Mars Actel Connecteur autodenudant
FR2457574A1 (fr) * 1979-05-25 1980-12-19 Mars Actel Dispositif de raccordement de conducteurs electriques isoles
JPS5849821U (ja) * 1981-10-01 1983-04-04 日本放送協会 可変デイジタル出力装置
US4941844A (en) * 1988-10-14 1990-07-17 Hopkins Manufacturing Corporation Electrical connector
US5178558A (en) * 1991-09-23 1993-01-12 Minnesota Mining And Manufacturing Company Cross connect system for telecommunications systems
US5312270A (en) * 1992-08-25 1994-05-17 The Siemon Company Wiring block having detachable leg assemblies
US5370541A (en) * 1993-01-25 1994-12-06 Minnesota Mining And Manufacturing Company Repositionable termination module
US5411414A (en) * 1993-08-17 1995-05-02 Premier Telecom Products, Inc. Electrical connector
US5409404A (en) * 1994-01-21 1995-04-25 The Whitaker Corporation Electrical connector with slotted beam contact
GB2293284B (en) * 1994-09-13 1998-05-20 Mod Tap W Corp Insulation displacement connector
US5735714A (en) * 1995-04-06 1998-04-07 Ortronics Inc. Information management outlet module and assembly providing protection to exposed cabling
US5591045A (en) * 1995-05-18 1997-01-07 The Whitaker Corporation Wire connecting system
US5741153A (en) * 1995-07-27 1998-04-21 Ortronics, Inc. Modular connectors including terminated rear connector designation for insulation displacement connectors
US5711067A (en) 1996-09-26 1998-01-27 Jenner; Royal Method of forming electrical connector
US6340317B1 (en) 1998-11-20 2002-01-22 International Connectors & Cable Corporation Hinged wiring block
US7261590B2 (en) * 2004-04-26 2007-08-28 Panduit Corp. Rack-mounted punchdown panel and punchdown base
DE102005041778A1 (de) * 2005-09-01 2007-03-08 Phoenix Contact Gmbh & Co. Kg Elektrische Anschlußanordnung

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3510823A (en) * 1968-04-29 1970-05-05 Joseph J Cervenka Fastener or terminal lug device and method of making same
US3533054A (en) * 1968-01-11 1970-10-06 United Carr Inc Electrical terminal structure
US3611264A (en) * 1968-12-27 1971-10-05 Bell Telephone Labor Inc Wire connecting blocks
US3778750A (en) * 1972-02-10 1973-12-11 Panduit Corp Wire termination and splicing system
US3858158A (en) * 1971-12-22 1974-12-31 Western Electric Co Devices for making electrical connections
US3923362A (en) * 1974-12-19 1975-12-02 Northern Electric Co Wire connecting blocks
FR2286520A1 (fr) * 1974-09-30 1976-04-23 Reliable Electric Co Bloc de raccordement notamment pour repartiteur telephonique
FR2289055A1 (fr) * 1974-10-21 1976-05-21 Bunker Ramo Connecteur electrique

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3496522A (en) * 1967-04-28 1970-02-17 Bell Telephone Labor Inc Wire connecting blocks
BE792672A (fr) * 1971-12-22 1973-03-30 Western Electric Co Connecteur miniature universel pour conducteurs
BE794021A (fr) * 1972-01-17 1973-05-02 Western Electric Co Bloc de connection de fils perfectionne
JPS5239671Y2 (fr) * 1974-07-12 1977-09-08
GB1528971A (en) * 1975-08-02 1978-10-18 Amp Inc Electrical connectors

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3533054A (en) * 1968-01-11 1970-10-06 United Carr Inc Electrical terminal structure
US3510823A (en) * 1968-04-29 1970-05-05 Joseph J Cervenka Fastener or terminal lug device and method of making same
US3611264A (en) * 1968-12-27 1971-10-05 Bell Telephone Labor Inc Wire connecting blocks
US3858158A (en) * 1971-12-22 1974-12-31 Western Electric Co Devices for making electrical connections
US3778750A (en) * 1972-02-10 1973-12-11 Panduit Corp Wire termination and splicing system
FR2286520A1 (fr) * 1974-09-30 1976-04-23 Reliable Electric Co Bloc de raccordement notamment pour repartiteur telephonique
FR2289055A1 (fr) * 1974-10-21 1976-05-21 Bunker Ramo Connecteur electrique
US3923362A (en) * 1974-12-19 1975-12-02 Northern Electric Co Wire connecting blocks

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0311263A2 (fr) * 1987-09-14 1989-04-12 Minnesota Mining And Manufacturing Company Connecteur de terminaison pour la communication voix/données
EP0311263A3 (en) * 1987-09-14 1990-08-29 Minnesota Mining And Manufacturing Company Voice/data communication termination connector
US5522733A (en) * 1991-06-12 1996-06-04 Mod-Tap W Corp. Electrical connectors
USRE41311E1 (en) 1992-02-24 2010-05-04 Commscope, Inc. Of North America High frequency electrical connector
US5503572A (en) * 1994-05-17 1996-04-02 Mod-Tap Corporation Communications connectors

Also Published As

Publication number Publication date
IT1108534B (it) 1985-12-09
ES471510A1 (es) 1979-01-16
DE2862245D1 (en) 1983-06-16
IT7853481V0 (it) 1978-07-05
IT7868579A0 (it) 1978-07-05
EP0000434B1 (fr) 1983-05-11
JPS58158B2 (ja) 1983-01-05
JPS5415187A (en) 1979-02-03
US4118095A (en) 1978-10-03

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