Dielectric sealing member and method of use thereof

• US 8,167,635 B1
• Filed: 10/18/2010
• Issued: 05/01/2012
• Est. Priority Date: 10/18/2010
• Status: Expired due to Fees

• Current Assignee: PPC Broadband Incorporated (Belden Inc.)
• Original Assignee: John Mezzalingua Associates Incorporated
• Inventors: Mathews, Roger D.
• Primary Examiner(s): DINH, PHUONG K
• Application Number:
  US12/906,276
• Publication Number:
  US 20120094518A1
• Time in Patent Office: 561 Days
• Field of Search: 439/277, 439/578, 439/585
• US Class Current: 439/277
• CPC Class Codes: H01R 13/5205 Sealing means between cable and housing, e.g. grommet H01R13/5221 takes precedence
• CPC Class Codes: H01R 24/40 specially adapted for high frequency
• 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

Abstract

A connector having a sealing member is provided, wherein the sealing member prevents environmental elements, such as rainwater from entering the connector. Furthermore, a sealing member placed on the inner surface of a post forming a barrier against moisture and other contaminants proximate the second end of the post is also provided.

Claims

1. 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 foil layer, the foil layer being surrounded by a conductive grounding shield, the conductive grounding shield being surrounded by a protective outer jacket, the connector comprising:

a connector body attached to a post, wherein the post has a first end and a second end, the first end configured to be inserted into an end of the coaxial cable around the foil layer encompassing the dielectric and under the conductive grounding shield thereof;

a port coupling element attached to the post; and

an elastomeric sealing member positioned along an inner surface of the post forming a barrier against environmental elements.

2. The connector of claim 1, wherein the connector body includes a first end and a second end, the first end configured to deformably compress against and seal a received coaxial cable.

3. The connector of claim 1, wherein the sealing member is resilient.

4. The connector of claim 1, wherein the sealing member is a rubber-like polymer.

5. The connector of claim 1, wherein a conductive seal is located proximate the second end of the connector body, and further wherein the conductive seal is configured to provide a shield for preventing ingress of electromagnetic noise into the connector.

6. The connector of claim 1, wherein the post has a notch proximate the second end, the notch accommodating a first surface of the sealing member, while a second surface of the sealing member maintains contact with the foil layer.

7. The connector of claim 1, further comprising:

a conductive mating member, located proximate the second end of the post, wherein the conductive member facilitates grounding of the coaxial cable; and

wherein the conductive mating member forms a shield preventing ingress of electromagnetic noise into the connector.

8. The connector of claim 1, wherein the sealing member extends a distance from the second end of the post.

9. 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 foil layer, the foil layer being surrounded by a conductive grounding shield, the conductive grounding shield being surrounded by a protective outer jacket, the connector comprising:

a connector body attached to a post wherein the post has a first end and a second end, the first end configured to be inserted into an end of the coaxial cable around the foil layer encompassing the dielectric and under the conductive grounding shield thereof;

a port coupling element rotatably attached to the post; and

an elastomeric sealing member positioned between the foil layer and the post, wherein the sealing member prevents environmental elements from entering the connector.

10. The connector of claim 9, wherein the sealing member extends a lateral distance from an edge of the second end of the post, wherein an interface port deformably compresses the sealing member when the connector is mated to the interface port.

11. The connector of claim 9, wherein the connector body includes a first end and a second end, the first end configured to deformably compress against and seal a received coaxial cable.

12. The connector of claim 9, wherein a conductive seal is located proximate the second end of the connector body, and further wherein the seal is configured to provide a shield for preventing ingress of electromagnetic noise into the connector.

13. The connector of claim 9, wherein the post has a notch proximate the second end of the post, the notch accommodating a first surface of the sealing member, while a second surface of the sealing member maintains contact with the foil layer.

14. The connector of claim 9, further comprising:

a conductive mating member, located proximate the second end of the post, wherein the conductive member facilitates grounding of the coaxial cable; and

wherein the conductive mating member helps complete a shield preventing ingress of electromagnetic noise into the connector.

15. 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 foil layer, the foil layer being surrounded by a conductive grounding shield, the conductive grounding shield being surrounded by a protective outer jacket, the connector comprising:

a connector body, having a first end and a second end, the first end configured to deformably compress against and seal a received coaxial cable;

a post, attached to the connector body;

a port coupling element, attached to the post;

an elastomeric sealing member located so as to prevent entry of external environmental elements between the post and the foil layer surrounding the dielectric; and

a plurality of conductive members, the plurality of conductive members completing a shield preventing ingress of electromagnetic noise into the connector and facilitating grounding of the coaxial cable.

16. The connector of claim 15, wherein the plurality of conductive members comprise a first conductive member, and a second conductive member.

17. The connector of claim 15, wherein the first conductive member is a conductive sealing member located proximate the second end of the connector body for electrically coupling and physically sealing the connector body and the threaded nut.

18. The connector of claim 15, wherein the second conductive member is a conductive mating member located proximate the second end of the post and facilitates an annular seal between the threaded nut and the post thereby electrical coupling the post and the coupling element by extending therebetween an unbroken electrical circuit.

19. The connector of claim 15, wherein the post includes a first end and a second end, the first end configured to be inserted into an end of the coaxial cable around the foil layer encompassing the dielectric and under the conductive grounding shield thereof.

20. 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 foil layer, the foil layer being surrounded by a conductive grounding shield, the conductive grounding shield being surrounded by a protective outer jacket, the connector comprising:

a connector body having a first end and a second end, the first end configured to deformably compress against and seal a received coaxial cable, wherein a post is attached to the connector body;

a rotatable coupling element attached to the post, wherein the post has a first end and a second end; and

elastomeric means for sealing the dielectric against ingress of environmental elements without impeding advancing movement of the dielectric and the foil layer through post of the connector.

21. A method for sealing a coaxial cable connector, the method comprising:

fixedly attaching a coaxial cable to the coaxial cable connector, the coaxial cable having a center conductor surrounded by a dielectric, the dielectric being surrounded by a foil layer, the foil layer being surrounded by a conductive grounding shield, the conductive grounding shield being surrounded by a protective outer jacket;

positioning an elastomeric sealing member of the coaxial cable connector on a radially inward surface of a post of the connector to block ingress of an environmental element into the connector; and

advancing the connector onto an interface port until a surface of the interface port mates with a surface of the sealing member to form part of a seal.

22. The method of claim 21, wherein the connector further includes a threaded nut, and a conductive member electrically coupling and physically sealing the connector body and threaded nut.

23. The method of claim 21, wherein a conductive mating member is located proximate the second end of the post.

24. The method of claim 21, wherein a first portion of the sealing member rests in a post notch, and a second portion of the sealing member continuously contacts the foil layer.

25. A method for sealing a coaxial cable connector that is attachable to a coaxial cable, the coaxial cable having a center conductor surrounded by a dielectric, the dielectric being surrounded by a foil layer, the foil layer being surrounded by a conductive grounding shield, the conductive grounding shield being surrounded by a protective outer jacket, the method comprising:

forming a barrier against ingress of an environmental element, the barrier formed by an elastomeric sealing member of the coaxial cable connector that is positioned along an inner surface of a post of the connector, wherein the sealing member establishes and maintains physical communication between the inner surface of the post of the connector and the foil layer surrounding the dielectric of the cable, when the cable is attached to the connector.

26. The method of claim 25, further comprising:

allowing unimpeded movement of the dielectric and surrounding foil layer through the post, during attachment of the cable to the connector.

27. The method of claim 25, wherein a first portion of the sealing member extends a lateral distance away from the second end of the post.

28. The method of claim 27, further comprising:

advancing the coaxial cable connector onto an interface port until a surface of the sealing member abuts the mating surface of the interface port, so that the sealing member continuously contacts and seals against the mating surface of the interface port, while also being sealed against a surface of the foil layer of the cable and a surface of the post.

29. The method of claim 25, wherein a first portion of the sealing member rests in a post notch, and a second portion of the sealing member continuously contacts the foil layer surrounding the dielectric of the coaxial cable.