Connector assembly

• US 7,249,962 B2
• Filed: 11/12/2004
• Issued: 07/31/2007
• Est. Priority Date: 11/13/2003
• Status: Active Grant

• Current Assignee: Belden Canada ULC (Belden Inc.)
• Original Assignee: Belden CDT (Canada) Inc. (Belden Inc.)
• Inventors: Bohbot, Michel, Milette, Luc
• Primary Examiner(s): CHUNG TRANS, XUONG MY
• Application Number:
  US10/986,206
• Publication Number:
  US 20050181660A1
• Time in Patent Office: 991 Days
• Field of Search: 439/425, 439403-405
• US Class Current: 439/425
• CPC Class Codes: H01R 13/465 Identification means, e.g. labels, tags, markings H01R9/2475, H01R9/2683 take precedence
• CPC Class Codes: H01R 2107/00 Four or more poles
• CPC Class Codes: H01R 24/60 Contacts spaced along planar side wall transverse to longitudinal axis of engagement
• CPC Class Codes: H01R 31/06 Intermediate parts for linking two coupling parts, e.g. adapter with a holder adapted for supporting apparatus to which its counterpart is attached H01R33/94
• CPC Class Codes: H01R 4/2404 the contact members having teeth, prongs, pins or needles penetrating the insulation

Abstract

A connector assembly for interconnecting an end of a cable comprising one or more twisted pair conductors, each of the conductors enveloped in an insulating covering, with the bifurcated contacts of a connecting block. The assembly comprises an insulated housing and a plurality of non-contacting conductive terminals disposed in the housing. Each of the terminals comprises a blade exposed along a front face of the housing and adapted to be inserted into one of the bifurcated contacts, and a piercing mechanism comprising at least one tooth. Each of the conductors is terminated by one of the terminals, the teeth puncturing the insulated covering of a free end of the conductor thereby bringing the terminal into conductive contact with the conductor.

Claims

1. A connector assembly for interconnecting an end of a cable comprising at least one twisted pair of conductors, each of the conductors enveloped in an insulating covering, with the bifurcated contacts of a connecting block, the assembly comprising:

an insulated housing; and

a plurality of non-contacting conductive terminals disposed in said housing, each of said terminals comprising a blade exposed along a front face of said housing and adapted to be inserted into one of the bifurcated contacts and a piercing mechanism comprising at least one tooth;

wherein each conductor of the at least one twisted pair of conductors is terminated by one of an adjacent pair of said terminals, said teeth puncturing the insulated covering of a free end of the conductor thereby bringing said terminal into conductive contact with the conductor and further wherein a spacing of said piercing mechanisms of said adjacent pair of terminals is less than a spacing of said blades of said adjacent pair of terminals.

2. The connector assembly of claim 1, wherein said blades are arranged in parallel and evenly spaced.

3. The connector assembly of claim 2, wherein said front face is substantially flat and said blades intersect said flat face substantially at right angles.

4. The connector assembly of claim 3, wherein said front face is adapted and said blades are spaced for interconnection with a BIX type connection block.

5. The connector assembly of claim 3, wherein said front face is adapted and said blades are spaced for interconnection with a 110 type connection block.

6. The connector assembly of claim 3, wherein said front face is adapted and said blades are spaced for interconnection with a KRONE type connection block.

7. The connector assembly of claim 1, wherein said blades comprise a chamfered forward edge.

8. The connector assembly of claim 1, wherein said piercing mechanism is a tri-point mechanism.

9. The connector assembly of claim 1, wherein each of said terminals is fabricated from a single piece of conductive material.

10. The connector assembly of claim 1, wherein said blades are fabricated from nickel plated phosphorous bronze.

11. The connector assembly of claim 1, wherein said blades are adapted for movement in a direction perpendicular to said front face.

12. The connector assembly of claim 11, further comprising a biasing mechanism for biasing said blades towards said front face.

13. The connector assembly of claim 1, wherein the assembly meets category 6 performance specifications.

14. The connector assembly of claim 1, wherein each of said terminals further comprises a conductive strip interconnecting said blade and said piercing mechanism.

15. The connector assembly of claim 14, wherein said conductive strip is attached to an end of said blade.

16. The connector assembly of claim 15, wherein the cable comprises at least two twisted pairs of conductors and wherein adjacent pairs of terminals are arranged such that said conductive strips are attached at opposite ends of said blades.

17. The connector assembly of claim 1, wherein the cable comprises at least two twisted pairs of conductors.

18. The connector assembly of claim 17, wherein the cable comprises four twisted pairs of conductors.

19. The connector assembly of claim 17, wherein at least two of said twisted pairs cross one another between the cable end and said terminals and further comprising a wire guide between the cable end and said plurality of conductive terminals, said guide comprised of a plurality of guideways, one guideway for guiding each of the twisted pairs such that, at a point of intersection, the crossing twisted pairs are substantially at right angles.

20. The connector assembly of claim 19, further comprising a spacer between the crossing twisted pairs at said point of intersection.

21. The connector assembly of claim 20, further comprising a spacer between the crossing twisted pairs at said point of intersection.

22. The connector assembly of claim 21, wherein said spacer comprises a shrink tube surrounding at least one of the twisted pairs.

23. The connector assembly of claim 21, wherein said spacer is fabricated from a shielding material.

24. The connector assembly of claim 19, wherein said guideways are channels.

25. The connector assembly of claim 24, wherein the twisted pairs are retained in said channels by a filler material.

26. The connector assembly of claim 25, wherein said filler material is plastic.

27. The connector assembly of claim 19, wherein said guideways each comprise an inlet and an outlet and wherein a spacing and positioning of said inlets relative to one another is adapted to substantially maintain a spacing and positioning of the twisted pairs as they exit the end of the cable.

28. The connector assembly of claim 27, wherein said insulated housing further comprises a series of apertures in a rear face thereof arranged in pairs, each of said pairs positioned at one of said guideway outlets.

29. The connector assembly of claim 1, wherein said insulated housing further comprises a series of apertures in a rear face thereof arranged in pairs, each pair of said apertures adapted for receiving the conductor free ends of a twisted pair, and wherein a spacing between each aperture of an aperture pair is substantially the same as said piercing mechanism spacing.

30. The connector assembly of claim 29, wherein said pairs of apertures are evenly distributed between along said rear face.

31. The connector assembly of claim 30, wherein alternating ones of said aperture pairs are staggered along said rear face.

32. The connector assembly of claim 1, wherein each of said terminals further comprises a securing mechanism for retaining said terminal in said housing.

33. The connector assembly of claim 32, wherein said securing mechanism comprises a serration which grips said housing.

34. A method for adapting an end of a cable comprised of at least one twisted pair of conductors, each of the conductors enveloped in an insulating covering and having a free end, for interconnection with the bifurcated conductors of a connecting block, the method comprising the steps of:

providing a connector assembly comprising at least one adjacent pair of non-contacting conductive terminals disposed in an insulated housing, each of said pair of terminals comprising a blade exposed along a front face of said housing and adapted for insertion into the bifurcated conductors, and a piercing mechanism having at least one tooth, wherein a spacing of said piercing mechanisms of said adjacent pair is less than a spacing of said blades of said adjacent pair;

inserting the free end of each of the conductors into said housing; and

for each terminal/conductor pair, puncturing the insulating covering the free end of each of the conductor with said piercing mechanism teeth thereby bringing said terminal into conductive contact with the conductor.

35. The method of claim 34, wherein each of said piercing mechanisms is a tri-point mechanism.

36. The method of claim 34, wherein at least two of the twisted pairs of conductors cross between the cable end and said terminals, and further comprising the step of retaining the crossing twisted pairs at a point of intersection substantially at right angles.

37. The method of claim 36, further comprising the step of maintaining a gap between the crossing twisted pairs at said point of intersection.

38. The method of claim 36, wherein said gap maintaining step comprises covering at least one of the crossing twisted pairs at least at said point of intersection in a sheath.

39. The method of claim 36, further comprising the steps of placing a wire guide between said cable end and said connector assembly, said wire guide comprised of a plurality of guideways, and inserting one of said twisted pairs in a respective one of said guideways, said guideways guiding the twisted pairs such that the crossing twisted pairs are maintained substantially at right angles at a point of intersection.

40. The method of claim 39, wherein each of said guideways comprises a channel and further comprising the step following said inserting step of filling said channels with a channel filler material.

41. The method of claim 34, wherein said insulated housing is comprised of a first part and a second part, said first part adapted to be assembled with said second part.

42. The method of claim 41, wherein prior to said puncturing step said terminals are arranged in said first part and the conductors are arranged in said second part of said housing, and wherein said puncturing step comprises assembling said parts wherein, during assembly, said piercing mechanisms puncture said insulated coverings thereby interconnecting each of said terminals with a respective one of the conductors.

43. A method for adapting an end of a cable comprised of a plurality of twisted pairs of conductors, each of the conductors enveloped in an insulating covering and having a free end, for interconnection with the bifurcated conductors of a connecting block, the method comprising the steps of:

providing an insulated housing;

providing a pair of terminals for each twisted pair of conductors, each of said pair of terminals comprised of a blade adapted for insertion into the bifurcated conductors and a piercing mechanism having at least one tooth, wherein a spacing of said piercing mechanisms of said pair of terminals is less than a spacing of said blades of said pair of terminals; and

for each free end, arranging the free end within said housing so the free end is substantially in parallel to the other free ends and, using one of said terminals, puncturing the insulating covering of the free end with said piercing mechanism teeth thereby interconnecting said terminal with the conductor;

wherein once assembled, said blades are exposed along a front face of said housing.

44. The method of claim 43, wherein each of said piercing mechanisms is a tri-point mechanism.

45. The method of claim 43, wherein said housing further comprises a series of guideways accessible through a rearward face of said housing, and said arranging step comprises inserting the free end into a respective guideway.

46. The method of claim 45, wherein said housing further comprises a series of slots accessible through a first surface of said housing, one of said slots intersecting each of said guideways, and wherein said puncturing step comprises inserting one of said terminals into one of said slots.

47. The method of claim 46, wherein said first surface is substantially perpendicular to said front face and said rearward face.

48. The method of claim 46, wherein each of said terminals further comprises a securing mechanism and said puncturing step further comprises retaining said terminal in said slot.

49. The method of claim 48, wherein said securing mechanism comprises a serration and said retaining step comprises embedding said serrations in said housing.

50. The method of claim 46, wherein said housing further comprises a second series of guideways accessible through said rearward face and a second series of slots accessible through a second surface of said housing, one of said second series of slots intersecting each of said second series of guideways, and wherein said puncturing step further comprises inserting one of said terminals into each of said second series of slots.

51. The method of claim 50, wherein said housing is generally box shaped and said second surface is arranged opposite to said first surface.

52. The method of claim 43, wherein at least two of the twisted pairs of conductors cross between the cable end and said terminals, and further comprising the step of retaining the crossing twisted pairs at a point of intersection substantially at right angles.

53. The method of claim 52, further comprising the step of maintaining a gap between the crossing twisted pairs at said point of intersection.

54. The method of claim 53, wherein said gap maintaining step comprises covering at least one of the crossing twisted pairs at least at said point of intersection in a sheath.

55. A connector assembly for interconnecting an end of a cable comprising at least two twisted pair conductors, each of the conductors enveloped in an insulating covering and having a free end, with the bifurcated contacts of a connecting block, the assembly comprising:

an insulated housing; and

a plurality of pairs of adjacent non-contacting conductive terminals disposed in said housing, each of said terminals comprising a blade and a conductive strip comprising a first end attached substantially at right angles towards one end of said blade and a second end comprising a piercing mechanism for puncturing the insulated covering of one of the conductor free ends, wherein said blades are exposed along a front face of said housing and wherein a spacing of said piercing mechanisms of said adjacent pair of terminals is less than a spacing of said blades of said adjacent pair of terminals;

wherein each of the free ends of a twisted pair of conductors is in conductive contact with a second end of said conductive strips of a terminal pair, and wherein the conductive strips of adjacent terminal pairs are attached towards different ends of said blades.

56. The connector assembly of claim 55, wherein said blades are arranged in parallel and evenly spaced.

57. The connector assembly of claim 56, wherein said front face is substantially flat and said blades intersect said flat face substantially at right angles.

58. The connector assembly of claim 55, wherein each of said piercing mechanisms comprises at least one tooth formed in each of said second ends of said conductive strips, said teeth puncturing the insulated covering of said conductor free ends thereby bringing said terminals into conductive contact with the conductors.

59. The connector assembly of claim 55, wherein at least two of said twisted pairs cross one another between the cable end and said terminals and further comprising a wire guide between the cable end and said plurality of conductive terminals, said guide comprised of a plurality of guideways, one guideway for guiding each of the twisted pairs such that, at a point of intersection, the crossing twisted pairs are substantially at right angles.

60. The connector assembly of claim 55, wherein the assembly meets category 6 performance specifications.