CONNECTOR HAVING A GROUNDING MEMBER

• US 20150050825A1
• Filed: 10/29/2014
• Published: 02/19/2015
• Est. Priority Date: 11/24/2004
• Status: Active Grant

• Current Assignee: PPC Broadband Incorporated (Belden Inc.)
• Original Assignee: PPC Broadband Incorporated (Belden Inc.)
• Inventors: Krenceski, Mary, Mathews, Roger, Montena, Noah P.
• Granted Patent: US 9,225,083 B2
• Time in Patent Office: Days
• US Class Current: 439/277
• CPC Class Codes: H01R 13/5202 Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
• CPC Class Codes: H01R 13/5219 Sealing means between coupling parts, e.g. interfacial seal
• CPC Class Codes: H01R 13/622 Screw-ring or screw-casing H01R13/623 takes precedence
• CPC Class Codes: H01R 13/658 High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse] coaxial coupling devices specially adapted for high frequency H01R24/40; for flat or ribbon cable connectors H01R12/774; for coaxial cable H01R9/05
• CPC Class Codes: H01R 13/6584 formed by conductive elastomeric members, e.g. flat gaskets or O-rings
• CPC Class Codes: H01R 13/6596 the conductive member being a metal grounding panel
• CPC Class Codes: H01R 2103/00 Two poles
• CPC Class Codes: H01R 24/40 specially adapted for high frequency
• CPC Class Codes: H01R 9/0512 Connections to an additional grounding conductor
• CPC Class Codes: H01R 9/0521 Connection to outer conductor by action of a nut
• CPC Class Codes: H01R 9/0524 Connection to outer conductor by action of a clamping member, e.g. screw fastening means H01R9/0515 takes precedence
• CPC Class Codes: Y10T 29/49174 Assembling terminal to elongated conductor
• CPC Class Codes: Y10T 29/49204 Contact or terminal manufacturing

Abstract

A coaxial cable connector includes, in one embodiment, a conductive body member, a post member, a conductive nut member and a conductive metal ring grounding member. The conductive metal ring grounding member is configured to maintain electrical grounding.

Claims

1. A coaxial cable connector for coupling an end of a coaxial cable, the coaxial cable having a center conductor surrounded by a dielectric, the dielectric being surrounded by a conductive grounding shield, the conductive grounding shield being surrounded by a protective outer jacket, the connector comprising:

a conductive body member including a forward body end portion and an opposing rearward body end portion, the rearward body end portion configured to receive a portion of the coaxial cable, the forward body end portion having a forward facing body portion that comprises a forwardmost surface of the conductive body member and a conductive member outer body contact portion of a surface extending at least partially in a radial direction when the connector is assembled;

a post member configured to engage the conductive body member, wherein the post member is not integral with the conductive body member, the post member having a forward end including a flange and a rearward end, the rearward end configured to be inserted into a portion of the coaxial cable around the dielectric and under at least a portion of the conductive grounding shield thereof to make electrical contact with the conductive grounding shield of the coaxial cable;

a conductive nut member configured to rotate relative to the post member and the conductive body member, the conductive nut member including a forward nut end portion configured to be coupled to an interface port, a rearward nut end portion, and an internal lip, the internal lip having a forward lip surface facing the forward nut end portion and a rearward lip surface facing the rearward nut end portion;

a conductive metal ring grounding member including a nut contact portion configured to be electrically coupled to the conductive nut member and a body contact portion configured to at least partially encircle a portion of the conductive body member and be electrically and physically coupled to the conductive member outer body contact portion of the conductive body member without contacting the forward facing body portion of the conductive body member so as to form a nut-body electrical circuit between the conductive nut member and the conductive member outer body contact portion of the conductive body member, extend electromagnetic shielding from the coaxial cable through the connector, and inhibit RF ingress into the connector when the connector is assembled;

wherein the flange of the post member is configured to electrically contact the internal lip of the conductive nut member so as to form a first electrical ground path between the post member and the conductive nut member, and wherein the conductive metal ring grounding member forms a second electrical ground path between the conductive body member and the conductive nut member when the connector is assembled; and

wherein the conductive metal ring grounding member is configured to maintain the second electrical ground path in an unbroken state, where the conductive metal ring grounding member is in electrical contact with the conductive body member and the conductive nut member, even when the first electrical ground path is in a broken state, where the flange of the post member is not in electrical contact with the internal lip of the conductive nut member.

2. The coaxial cable connector of claim 1, wherein the conductive nut member includes an outer internal wall that axially extends rearward from the internal lip.

3. The coaxial cable connector of claim 2, wherein the conductive metal ring grounding member is configured to contact the outer internal wall.

4. The coaxial cable connector of claim 1, wherein the conductive metal ring grounding member comprises a soft metal material.

5. The coaxial cable connector of claim 1, wherein the conductive metal ring grounding member comprises a compressible material.

6. The coaxial cable connector of claim 1, wherein the conductive metal ring grounding member is further configured to form an annular seal between a surface of the conductive nut member and an outer surface of the conductive body member so as to form a physical barrier against ingress of environmental and non-electrical contaminants.

7. The coaxial cable connector of claim 1, wherein the conductive metal ring grounding member comprises a conductively coated O-ring sealing member that is configured to also form a physical seal between the conductive nut member and the conductive body member.

8. The coaxial cable connector of claim 1, wherein the conductive metal ring grounding member has a circular cross-sectional shape.

9. The coaxial cable connector of claim 1, wherein the conductive member outer body contact portion comprises an external body contact surface of the conductive body member.

10. The coaxial cable connector of claim 1, wherein the conductive member outer body contact portion comprises an external body contact surface of the conductive body member that at least partially faces a forward direction.

11. The coaxial cable connector of claim 1, wherein the conductive member outer body contact portion comprises an external body contact surface of the conductive body member that faces toward the rearward nut end portion of the conductive nut member.

12. The coaxial cable connector of claim 1, wherein the body contact portion of the conductive metal ring grounding member contacts an external body contact surface of the conductive body member, which at least partially faces a forward direction.

13. The coaxial cable connector of claim 1, wherein the body contact portion of the conductive metal ring grounding member is at least partially located on a rearward portion of the conductive metal ring grounding member.

14. The coaxial cable connector of claim 1, wherein the nut contact portion of the conductive metal ring grounding member is at least partially located on an outward portion of the conductive metal ring grounding member.

15. The coaxial cable connector of claim 1, wherein the flange of the post member is configured to engage the internal lip of the conductive nut member so as to prevent axial movement of the post member relative to the conductive nut member when the connector is assembled.

16. The coaxial cable connector of claim 1, wherein the conductive metal ring grounding member is configured to fully encircle a portion of the conductive body member when the connector is assembled.

17. The coaxial cable connector of claim 1, wherein the conductive metal ring grounding member is positioned so as to be rearwardly spaced from the internal lip of the conductive nut member such that no portion of the conductive metal ring grounding member is located inside the conductive body member when the connector is assembled.

18. A coaxial cable connector for coupling an end of a coaxial cable, the coaxial cable having a center conductor surrounded by a dielectric, the dielectric being surrounded by a conductive grounding shield, the conductive grounding shield being surrounded by a protective outer jacket, the connector comprising:

a conductive body member including a forward body end portion and an opposing rearward body end portion, the rearward body end portion configured to receive a portion of the coaxial cable, the forward body end portion having a forward facing body portion and a conductive member outer body contact portion extending at least partially in a radial direction away from the forward facing body portion when the connector is in an assembled state;

a post member configured to engage the conductive body member, wherein the post member is not integral with the conductive body member, the post member having a forward end including a flange and a rearward end, the rearward end configured to be inserted into the portion of the coaxial cable around the dielectric and under at least a portion of the conductive grounding shield thereof to make electrical contact with the conductive grounding shield of the coaxial cable;

a conductive nut member configured to rotate relative to the post member and the conductive body member, the conductive nut member including a forward nut end portion configured to be coupled to an interface port, a rearward nut end portion, and an internal lip, the internal lip having a forward lip surface facing the forward nut end portion and a rearward lip surface facing the rearward nut end portion;

a conductive metal ring grounding member including a nut contact portion configured to be electrically coupled to the conductive nut member and a body contact portion configured to at least partially encircle a portion of the conductive body member forward of the conductive member outer body contact portion of the conductive body member and be electrically and physically coupled to the conductive member outer body contact portion of the conductive body member without contacting the forward facing body portion of the conductive body member so as to form a nut-body electrical circuit between the conductive nut member and the conductive member outer body contact portion of the conductive body member, extend electromagnetic shielding from the coaxial cable through the connector, and inhibit RF ingress into the connector when the connector is in the assembled state;

wherein the flange of the post member is configured to electrically contact the internal lip of the conductive nut member so as to form a first electrical ground path between the post member and the conductive nut member, and wherein the conductive metal ring grounding member forms a second electrical ground path between the conductive body member and the conductive nut member when the connector is in the assembled state; and

wherein the conductive metal ring grounding member is configured to maintain the second electrical ground path in an unbroken state, where the conductive metal ring grounding member is in electrical contact with the conductive body member and the conductive nut member, even when the first electrical ground path is in a broken state, where the flange of the post member is not in direct electrical contact with the internal lip of the conductive nut member.

19. The coaxial cable connector of claim 18, wherein the conductive nut member includes an outer internal wall that axially extends rearward from the internal lip.

20. The coaxial cable connector of claim 19, wherein the conductive metal ring grounding member comprises a soft metal, compressible, and conductively coated O-ring sealing member that is configured to form a physical seal between the conductive nut member and the conductive body member so as to form a physical barrier against ingress of environmental and non-electrical contaminants when the connector is in the assembled state.

21. The coaxial cable connector of claim 18, wherein the forward facing body portion comprises a forwardmost surface of the conductive body member.

22. The coaxial cable connector of claim 18, wherein the conductive member outer body contact portion comprises an external body contact surface of the conductive body member.

23. The coaxial cable connector of claim 18, wherein the conductive member outer body contact portion comprises an external body contact surface of the conductive body member that at least partially faces a forward direction.

24. The coaxial cable connector of claim 18, wherein the body contact portion of the conductive metal ring grounding member contacts an external body contact surface of the conductive body member that faces toward the rearward nut end portion of the conductive nut member.

25. The coaxial cable connector of claim 18, wherein the body contact portion of the conductive metal ring grounding member contacts an external surface of the conductive body member that at least partially faces a forward direction.

26. The coaxial cable connector of claim 18, wherein the body contact portion of the conductive metal ring grounding member is at least partially located on a rearward portion of the conductive metal ring grounding member.

27. The coaxial cable connector of claim 18, wherein the nut contact portion of the conductive metal ring grounding member is at least partially located on an outward portion of the conductive metal ring grounding member.

28. The coaxial cable connector of claim 18, wherein the flange of the post member is configured to engage the internal lip of the conductive nut member so as to prevent axial movement of the post member relative to the conductive nut member when the connector is in the assembled state.

29. The coaxial cable connector of claim 18, wherein the conductive metal ring grounding member is configured to fully encircle a portion of the conductive body member forward of the conductive member outer body contact portion of the conductive body member when the connector is in the assembled state.

30. The coaxial cable connector of claim 18, wherein the conductive metal ring grounding member is positioned so as to be rearwardly spaced from the internal lip of the conductive nut member such that no portion of the conductive metal ring grounding member is located inside the conductive body member when the connector is in the assembled state.

31. A coaxial cable connector for coupling an end of a coaxial cable, the coaxial cable having a center conductor surrounded by a dielectric, the dielectric being surrounded by a conductive grounding shield, the conductive grounding shield being surrounded by a protective outer jacket, the connector comprising:

a metal body member including a forward body end portion and an opposing rearward body end portion, the rearward body end portion configured to receive a portion of the coaxial cable, the forward body end portion having a forward facing body portion and an outer body grounding contact portion positioned apart from the forward facing body portion;

a post member configured to engage the metal body member, wherein the post member is not integral with the metal body member, the post member having a forward end including a flange and a rearward end, the rearward end configured to be inserted into the portion of the coaxial cable around the dielectric and under at least a portion of the conductive grounding shield thereof to make electrical contact with the conductive grounding shield of the coaxial cable;

a metal coupler member configured to rotate relative to the post member and the metal body member, the metal coupler member including a forward coupler end portion configured to be coupled to an interface port, a rearward coupler end portion, and an internal lip, the internal lip having a forward lip surface facing the forward end portion of the metal coupler member and a rearward lip surface facing the rearward coupler end portion;

a metal grounding member including a coupler contact portion configured to electrically contact the metal coupler member and a body contact portion configured to at least partially face and electrically and physically contact the outer body grounding contact portion of the metal body member without physically contacting the forward facing body portion of the metal body member so as to form a coupler-body electrical ground circuit between the metal coupler member and the outer body grounding contact portion of the metal body member, extend electromagnetic shielding from the coaxial cable through the connector, and inhibit RF ingress into the connector when the connector is in an assembled state;

wherein the outer body grounding contact portion of the metal body member comprises an external body contact surface that at least partially faces a forward direction and extends along a radial direction when the connector is in the assembled state;

wherein the body contact portion of the metal grounding member comprises a curved body contact surface configured to electrically contact the external body contact surface so as to form the coupler-body electrical ground circuit;

wherein the flange of the post member is configured to engage the internal lip of the metal coupler member so as to prevent axial movement of the post member relative to the metal coupler member when the connector is in the assembled state;

wherein the metal grounding member is rearwardly spaced from the internal lip of the metal coupler member and the flange of the post member such that no portion of the metal grounding member is located inside the metal body member when the connector is in the assembled state;

wherein the flange of the post member is configured to electrically contact the internal lip of the metal coupler member so as to form a first electrical ground path between the post member and the metal coupler member, and wherein the metal grounding member forms a second electrical ground path between the metal body member and the metal coupler member when the connector is in the assembled state; and

wherein the metal grounding member is configured to maintain the second electrical ground path in an unbroken state, where the metal grounding member is in electrical contact with the metal body member and the metal coupler member, even when the first electrical ground path is in a broken state, where the flange of the post member is not in electrical contact with the internal lip of the metal coupler member.

32. The connector of claim 31, wherein the metal coupler member includes an outer internal wall that axially extends rearward from the internal lip.

33. The connector of claim 32, wherein the metal grounding member comprises a soft metal material, and wherein the metal grounding member comprises a compressible sealing material configured to form an annular seal between a surface of the metal coupler member and an outer surface of the metal body member so as to form a physical barrier against ingress of environmental and non-electrical contaminants.

34. The connector of claim 31, wherein the metal grounding member comprises a conductively coated O-ring sealing member that is configured to form a physical seal between the metal coupler member and the metal body member.

35. The connector of claim 31, wherein the forward facing body portion comprises a forwardmost surface of the metal body member.

36. The connector of claim 31, wherein the outer body grounding contact portion comprises an external body contact surface of the metal body member.

37. The connector of claim 31, wherein the outer body grounding contact portion of the metal body member comprises an external body contact surface that is positioned to face toward the rearward coupler end portion of the metal coupler member when the connector is in the assembled state.

38. The connector of claim 31, wherein the outer body grounding contact portion of the metal body member comprises an external body surface that is at least partly in a radial direction perpendicular to a longitudinal direction of the connector when the connector is in the assembled state.

39. The connector of claim 31, wherein the body contact portion of the metal grounding member is at least partially located on a rearward portion of the metal grounding member.

40. The connector of claim 31, wherein the coupler contact portion of the metal grounding member is at least partially located on an outward portion of the metal grounding member.

41. The connector of claim 31, wherein the metal grounding member is configured to fully encircle a portion of the outer body grounding contact portion of the metal body member when the connector is in the assembled state.

42. The connector claim 31, wherein the metal grounding member is ring-shaped.

43. The connector claim 31, wherein the metal grounding member has a circular cross-sectional shape.

44. The coaxial cable connector of claim 31, wherein the metal grounding member has a conductive coating.

45. A connector for coupling an end of a coaxial cable, the coaxial cable having a center conductor surrounded by a dielectric, the dielectric being surrounded by a conductive grounding shield, the conductive grounding shield being surrounded by a protective outer jacket, the connector comprising:

a metal body member including a forward body end portion and an opposing rearward body end portion, the rearward body end portion configured to receive a portion of the coaxial cable, the forward body end portion having a forward facing body portion and an outer body grounding contact portion spaced away from the forward facing body portion;

a post member configured to engage the metal body member, wherein the post member is not integral with the metal body member, the post member having a forward end including a flange and a rearward end, the rearward end configured to be inserted into the portion of the coaxial cable around the dielectric and under at least a portion of the conductive grounding shield thereof to make electrical contact with the conductive grounding shield of the coaxial cable;

a metal coupler member configured to rotate relative to the post member and the metal body member, the metal coupler member including a forward coupler end portion configured to be coupled to an interface port, a rearward coupler end portion, and an internal lip, the internal lip having a forward lip surface facing the forward end portion of the metal coupler member and a rearward lip surface facing the rearward coupler end portion;

a metal grounding member including a coupler contact portion configured to electrically contact the metal coupler member and a body contact portion configured to at least partially face and electrically contact the outer body grounding contact portion of the metal body member without contacting the forward facing body portion of the metal body member so as to form an electrical ground circuit between the outer body grounding contact portion of the metal body member and the metal coupler member, extend electromagnetic shielding from the coaxial cable through the connector, and inhibit RF ingress into the connector when the connector is in an assembled state;

wherein the outer body grounding contact portion comprises a radially extending body surface, and wherein the body contact portion of the metal grounding member comprises a curved body contact surface configured to electrically and physically contact the radially extending body surface so as to form the electrical ground circuit;

wherein the flange of the post member is configured to engage the internal lip of the metal coupler member so as to prevent axial movement of the post member relative to the metal coupler member when the connector is in the assembled state;

wherein the metal grounding member is rearwardly spaced from the internal lip of the metal coupler member and the flange of the post member such that no portion of the metal grounding member is located inside the metal body member when the connector is in the assembled state;

wherein the flange of the post member is configured to electrically contact the internal lip of the metal coupler member so as to form a first electrical ground path between the post member and the metal coupler member, and wherein the metal grounding member forms a second electrical ground path between the metal body member and the metal coupler member when the connector is in the assembled state; and

wherein the metal grounding member is configured to maintain the second electrical ground path in an unbroken state, where the metal grounding member is in electrical contact with the metal body member and the metal coupler member, even when the first electrical ground path is in a broken state, where the flange of the post member is not in electrical contact with the internal lip of the metal coupler member.

46. The connector of claim 45, wherein the metal coupler member includes an outer internal wall that axially extends rearward from the internal lip.

47. The connector of claim 46, wherein the metal grounding member is configured to contact the outer internal wall.

48. The connector of claim 45, wherein the metal grounding member comprises a soft metal material.

49. The connector of claim 45, wherein the metal grounding member further comprises a compressible sealing material.

50. The connector of claim 45, wherein the metal grounding member is further configured to form an annular seal between a surface of the metal coupler member and an outer surface of the metal body member so as to form a physical barrier against ingress of environmental and non-electrical contaminants.

51. The connector of claim 45, wherein the metal grounding member comprises a conductively coated O-ring sealing member that is configured to also form a physical seal between the metal coupler member and the metal body member.

52. The connector of claim 45, wherein the forward facing body portion comprises a forwardmost surface of the metal body member.

53. The connector of claim 45, wherein the outer body grounding contact portion comprises an external body contact surface of the metal body member.

54. The connector of claim 45, wherein the radially extending body surface comprises an external body contact surface that at least partially faces a forward direction when the connector is in the assembled state.

55. The connector of claim 45, wherein the radially extending body surface comprises an external body contact surface that is positioned to face toward the rearward coupler end portion of the metal coupler member when the connector is in the assembled state.

56. The connector of claim 45, wherein the radially extending body surface at least partially extends along a radial direction away from a longitudinal axis of the connector when the connector is in the assembled state.

57. The connector of claim 45, wherein the body contact portion of the metal grounding member is at least partially located on a rearward portion of the metal grounding member.

58. The connector of claim 45, wherein the coupler contact portion of the metal grounding member is at least partially located on an outward portion of the metal grounding member.

59. The connector of claim 45, wherein the metal grounding member fully encircles a portion of the metal body member forward of the outer body grounding contact portion of the metal body member when the connector is in the assembled state.

60. The connector claim 45, wherein the metal grounding member is ring-shaped.

61. The connector claim 45, wherein the metal grounding member has a circular cross-sectional shape.

62. The connector of claim 45, wherein the metal grounding member fully encircles a portion of the body member forward of the outward extending body grounding contact surface of the body member.