Connector for hard-line coaxial cable

• US 6,331,123 B1
• Filed: 07/11/2001
• Issued: 12/18/2001
• Est. Priority Date: 11/20/2000
• Status: Expired due to Term

• Current Assignee: PPC Broadband Incorporated (Belden Inc.)
• Original Assignee: Thomas & Betts International Incorporated (ABB Limited)
• Inventors: Rodrigues, Julio F.
• Primary Examiner(s): PATEL, TULSIDAS C
• Application Number:
  US09/902,994
• Time in Patent Office: 160 Days
• Field of Search: 439/584, 439/585, 439/578, 439/387
• US Class Current: 439/584
• 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 9/0524 Connection to outer conductor by action of a clamping member, e.g. screw fastening means H01R9/0515 takes precedence

Abstract

The connector of the present invention provides an environmentally sealed connector for terminating a coaxial cable. The connector is useful with hard-line or semi-rigid coaxial cables.

Claims

1. An environmentally-sealed, quick connect connector for use with a hard-line coaxial cable comprising:

an elongate post having a cylindrical wall with a proximal portion and a distal portion, the distal portion having an outer surface adapted to abuttingly engage an inner surface of an outer conductor of the hard-line coaxial cable;

a cylindrical ferrule having a proximal portion and a distal portion, the distal portion having a plurality of parted fingers having an inner surface adapted to abuttingly engage an outer surface of the outer conductor of the hard-line coaxial cable and a sloped outer surface;

a elongate cylindrical collar having a proximal end for securably holding the post and the ferrule and a distal open end;

a cylindrical sleeve having a proximal portion slidably engaging the sloped surface of the ferrule and a distal portion and having circumferential slot at the end thereof; and

a seal ring adapted for slidingly insertion into the slot of the sleeve;

wherein upon the slidably insertion of the seal ring into the sleeve and the sleeve at the distal end of the collar, the proximal portion of the sleeve compresses the ferrule fingers radially inward to secure the inner surface of the fingers to the outer surface of the conductor and further wherein the seal ring radially inwardly compresses the distal portion of the sleeve onto an outer surface of a cable jacket which surrounds the outer conductor of the coaxial cable to provide an environmental seal thereat.

2. The connector of claim 1 further comprising an o-ring at the distal portion of the sleeve to environmentally seal the sleeve and the collar thereat upon sliding engagement of the sleeve and the collar.

3. The connector of claim 1 wherein the sleeve has a slanted inner surface at the proximal end to slidingly engage the sloped surface of the ferrule.

4. The connector of claim 1 wherein the inner surface of the ferrule fingers further comprise raised ridges extending inwardly to securable engage the outer conductor.

5. The connector of claim 1 further comprising nut and an o-ring within a distal portion of the nut to environmentally seal the nut and the collar thereat upon sliding engagement.

6. The connector of claim 1 further comprising raised teeth extending radially outward from the seal ring to securably hold the seal ring within the circumferential slot of the sleeve upon the sliding insertion of the seal ring into the sleeve.

7. The connector of claim 1 further comprising a notch at the distal end of the collar and a raised ridge at the distal end of the sleeve, wherein the notch and the raised ridge are defined to engage upon sliding engagement of the sleeve and the collar to securably fix secure the sleeve to the collar thereat.

8. The connector of claim 1 wherein the connector is a RF connector.

9. An environmentally-sealed, quick connect connector for use with a hard-line coaxial cable comprising:

an elongate post having a cylindrical wall with a proximal portion and a distal portion, the distal portion having an outer surface adapted to abuttingly engage an inner surface of an outer conductor of the hard-line coaxial cable;

a cylindrical ferrule having a proximal portion and a distal portion, the distal portion having a plurality of parted fingers having an inner surface adapted to abuttingly engage an outer surface of the outer conductor of the hard-line coaxial cable and a sloped outer surface;

a elongate cylindrical collar having a proximal end for securably holding the post and the ferrule and a distal open end;

a cylindrical sleeve having a proximal portion slidably engaging the sloped surface of the ferrule and a distal portion having circumferential notch at the end thereof;

an o-ring positioned within the notch of the sleeve; and

a seal ring adapted for slidingly insertion into the notch of the sleeve;

wherein upon the slidably insertion of the seal ring into the sleeve at the distal end of the collar, the proximal portion of the sleeve compresses the ferrule fingers radially inward to secure the inner surface of the fingers to the outer surface of the conductor and further wherein the seal ring compresses the o-ring onto an outer surface of a cable jacket which surrounds the outer conductor of the coaxial cable to provide an environmental seal thereat.

10. The connector of claim 9 further comprising a second o-ring at the distal portion of the sleeve to environmentally seal the sleeve and the collar thereat upon sliding engagement of the sleeve and the collar.

11. The connector of claim 9 wherein the sleeve has a slanted inner surface at the proximal end to slidingly engage the sloped surface of the ferrule.

12. The connector of claim 9 wherein the inner surface of the ferrule fingers further comprise raised ridges extending inwardly to securable engage the outer conductor.

13. The connector of claim 9 further comprising nut and a third o-ring within a distal portion of the nut to environmentally seal the nut and the collar thereat upon sliding engagement.

14. The connector of claim 9 further comprising raised teeth extending radially outward from the seal ring to securably hold the seal ring within the notch of the sleeve upon the sliding insertion of the seal ring into the sleeve.

15. The connector of claim 9 further comprising a second notch at the distal end of the collar and a raised ridge at the distal end of the sleeve, wherein the second notch and the raised ridge are defined to engage upon sliding engagement of the sleeve and the collar to securably fix secure the sleeve to the collar thereat.

16. The connector of claim 9 wherein the connector is a RF connector.

17. An environmentally-sealed, electrical connection comprising:

a hard-line coaxial cable having an elongate center conductor, a dielectric surrounding the center conductor, a tubular outer conductor encompassing the dielectric and a cable jacket covering the outer conductor;

an elongate post having a cylindrical wall with a proximal portion and a distal portion, the distal portion having an outer surface adapted to abuttingly engage an inner surface of the outer conductor of the hard-line coaxial cable;

a cylindrical ferrule having a proximal portion and a distal portion, the distal portion having a plurality of parted fingers having an inner surface adapted to abuttingly engage an outer surface of the outer conductor of the hard-line coaxial cable and a sloped outer surface;

a elongate cylindrical collar having a proximal end for securably holding the post and the ferrule and a distal open end;

a cylindrical sleeve having a proximal portion slidably engaging the sloped surface of the ferrule and a distal portion having a sealing device at the end thereof; and

a seal ring adapted for slidingly insertion into the slot of the sleeve;

wherein upon the slidably insertion of the seal ring into the sleeve at the distal end of the collar, the proximal portion of the sleeve compresses the ferrule fingers radially inward to secure the inner surface of the fingers to the outer surface of the conductor and further wherein the seal ring compresses the sealing device onto an outer surface of the cable jacket to provide an environmental seal thereat.

18. The connection of claim 17 further comprising an o-ring at the distal portion of the sleeve to environmentally seal the sleeve and the collar thereat upon sliding engagement of the sleeve and the collar.

19. The connection of claim 17 wherein the sleeve has a slanted inner surface at the proximal end to slidingly engage the sloped surface of the ferrule.

20. The connection of claim 17 wherein the inner surface of the ferrule fingers further comprise raised ridges extending inwardly to securable engage the outer conductor.

21. The connection of claim 17 wherein the distal portion of the sleeve has a notch portion thereat and the sealing device is an o-ring contained within the notch portion.

22. The connection of claim 17 wherein the distal portion of the sleeve has a circumferential slot thereat to define an inner portion of the sleeve and the sealing device is the inner portion of the sleeve which is radially and inwardly compressed upon sliding insertion of the sleeve into the seal ring.

23. The connection of claim 17 further comprising raised teeth extending radially outward from the seal ring to securably hold the seal ring within the circumferential slot of the sleeve upon sliding insertion of the seal ring into the sleeve.

24. The connection of claim 17 further comprising a notch at the distal end of the collar and a raised ridge at the distal end of the sleeve, wherein the notch and the raised ridge are defined to engage upon sliding engagement of the sleeve and the collar to securably fix secure the sleeve to the collar thereat.

25. The connection of claim 17 wherein the connector is a RF connector.

26. The connection of claim 17 wherein the cable jacket is formed from a deformable material.

27. A connector for use with a coaxial cable comprising:

an elongate post having a cylindrical wall with a proximal portion and a distal portion, the distal portion having an outer surface adapted to abuttingly engage an inner surface of an outer conductor of the hard-line coaxial cable;

a parted and cylindrical ferrule having a proximal portion and a distal portion, the distal portion having an inner surface adapted to abuttingly engage an outer surface of the outer conductor of the hard-line coaxial cable and a sloped outer surface;

a elongate cylindrical collar having a proximal end for securably holding the proximal portion of the post and the proximal portion of the ferrule and a distal open end;

a cylindrical sleeve having a proximal portion circumferentially engaging the sloped surface of the ferrule and a distal portion having an open end and having a cylindrical notch;

a hollow cylindrical seal adapted for securement within the notch; and

an o-ring positioned within the notch of the sleeve;

wherein upon secure engagement of the cylindrical sleeve and the distal end of the collar, the proximal portion of the sleeve compresses the ferrule radially inward to secure the inner surface of the ferrule to the outer surface of the conductor and further wherein the o-ring compresses onto an outer surface of a cable jacket which surrounds the outer conductor of the coaxial cable to provide an environmental seal thereat.

28. The connector of claim 27 further comprising a second o-ring for providing an environmental seal between the collar and the cylindrical sleeve upon secure engagement of the collar and the cylindrical sleeve.

29. The connector of claim 27 wherein the inner surface of the ferrule further comprise raised ridges extending inwardly to securable engage the outer conductor.

30. The connector of claim 27 further comprising a nut and a third o-ring within a distal portion of the nut to environmentally seal the nut and the collar thereat upon secure engagement of the nut and the collar.

31. The connector of claim 27 wherein the sleeve has a slanted inner surface at the proximal end to engage the sloped surface of the ferrule.