Cable gripping device

• US 20060196016A1
• Filed: 03/01/2006
• Published: 09/07/2006
• Est. Priority Date: 03/04/2005
• Status: Abandoned Application

• Current Assignee: Thomas & Betts International Incorporated (ABB Limited)
• Original Assignee: Thomas & Betts International Incorporated (ABB Limited)
• Inventors: Cai, Xueming, Bartholomew, Paul
• Application Number:
  US11/365,061
• Publication Number:
  US 20060196016A1
• Time in Patent Office: Days
• US Class Current: 24/136.00R
• CPC Class Codes: F16G 11/106 using a toothed surface
• CPC Class Codes: F16G 11/14 Devices or coupling-pieces designed for easy formation of adjustable loops, e.g. choker hooks; Hooks or eyes with integral parts designed to facilitate quick attachment to cables or ropes at any point, e.g. by forming loops
• CPC Class Codes: Y10T 24/3969 Sliding part or wedge

Abstract

A device is provided for gripping a cable having a free end. The device includes a first entrance port for receiving the free end of the cable. A first exit port is in communication with the first entrance port from where the free end of the cable exits the device. A second entrance port is included for receiving the free end of the cable after it leaves the exit port. A second exit port is in communication with the second entrance port where the free end of the cable exits the device for the second time. A first cable guide forms a pathway between the first entrance port and the first exit port. A first retention member is slidably disposed within the first cable guide such that the first retention member slides axially within the device only upon entrance of the cable within the first cable guide or when the cable is pulled toward the first entrance port. A second cable guide forms a pathway between the second entrance port and the second exit port and a second retention member is slidably disposed within the second cable guide such that the second retention member slides axially within the device only upon entrance of the cable within the second cable guide or when the cable is pulled toward the second entrance port.

Claims

1. A device for gripping a cable having a free end, the device comprising:

a first entrance port for receiving the free end of the cable;

a first exit port in communication with the first entrance port from where the free end of the cable exits the device;

a second entrance port for receiving the free end of the cable after it leaves the exit port;

a second exit port in communication with the second entrance port where the free end of the cable exits the device;

a first cable guide forming a pathway between the first entrance port and the first exit port;

a first retention member slidably disposed within the first cable guide such that the first retention member slides axially within the device only upon entrance of the cable within the first cable guide or when the cable is pulled toward the first entrance port;

a second cable guide forming a pathway between the second entrance port and the second exit port; and

a second retention member slidably disposed within the second cable guide such that the second retention member slides axially within the device only upon entrance of the cable within the second cable guide or when the cable is pulled toward the second entrance port.

2. The device of claim 1 wherein the first retention member and the second retention member include a first arcuate grip member and a second arcuate grip member respectively, integrally formed therewith.

3. The device in claim 1 wherein the first retention member and the second retention member include a rounded surface and a grip surface in communication with the rounded surface.

4. The device of claim 3 wherein the cable abuts the rounded surface of the first retention member upon entrance into the first entrance port and abuts the rounded surface of the second retention member upon entrance into the second entrance port of simultaneously deflect the cable and bias the first retention member and the second retention member, respectively.

5. The device of claim 3 wherein the grip surface of the first retention member and the grip surface of the second retention member contact the cable when the cable is pulled toward the first entrance port or the second entrance port, respectively.

6. The device of claim 1 wherein the first cable guide includes a first guide rail secured therein.

7. The device of claim 6 wherein the first retention member includes a retention channel integrally formed therewith that is complementary in shape to the first guide rail and slidably mounted thereon such that only axial movement of the first retention member is permitted within the first cable guide upon entrance of the cable within the first entrance port or when the cable is pulled toward the first entrance port.

8. The device of claim 1 wherein the second cable guide includes a second guide rail secured therein.

9. The device of claim 8 wherein the second retention member includes a retention channel integrally formed therewith that is complementary in shape to the second guide rail and slidably mounted thereon such that only axial movement of the second retention member is permitted within the second cable guide upon entrance of the cable within the second entrance port or when the cable is pulled toward the second entrance.

11. The device in claim 1 wherein the first retention member and the second retention member include a rounded surface and a grip surface in communication with the rounded surface.

12. The device of claim 3 wherein the cable abuts the rounded surface of the first retention member upon entrance into the first entrance port and abuts the rounded surface of the second retention member upon entrance into the second entrance port of simultaneously deflect the cable and bias the first retention member and the second retention member, respectively.

13. The device of claim 3 wherein the grip surface of the first retention member and the grip surface of the second retention member contact the cable when the cable is pulled toward the first entrance port or the second entrance port, respectively.

14. The device of claim 1 wherein the first retention member and the second retention member include a first arcuate grip member and a second arcuate grip member respectively, integrally formed therewith.

10. A device for gripping a cable having a free end, the device comprising:

a first entrance port for receiving the free end of the cable;

a first exit port in communication with the first entrance port from where the free end of the cable exits the device;

a second entrance port for receiving the free end of the cable after it leaves the exit port;

a second exit port in communication with the second entrance port where the free end of the cable exits the device;

a first cable guide forming an arcuate pathway between the first entrance port and the first exit port, the first cable guide having a convex portion and a concave portion;

a first retention member slidably disposed within the first cable guide and including a grip member integrally formed therewith, the grip member being slidably positioned adjacent the concave portion of the first cable guide when the cable is inserted into the first entrance port and slidably positioned adjacent the convex portion of the first cable guide when the cable is pulled toward the first entrance port such that the cable is wedged between the grip member and the convex portion of the first cable guide;

a second cable guide forming an arcuate pathway between the second entrance port and the second exit port, the second cable guide having a convex portion and a concave portion; and

a second retention member slidably disposed within the second cable guide and including a grip member integrally formed therewith, the grip member being slidably positioned adjacent the concave portion of the second cable guide when the cable is inserted into the second entrance port and slidably positioned adjacent the convex portion of the second cable guide when the cable is pulled toward the second entrance port such that the cable is wedged between the grip member and the convex portion of the second cable guide.

15. The device of claim 10 wherein the first cable guide includes a first guide rail secured therein.

16. The device of claim 15 wherein the first retention member includes a retention channel integrally formed therewith that is complementary in shape to the first guide rail and slidably mounted thereon such that only axial movement of the first retention member is permitted within the first cable guide upon entrance of the cable within the first cable guide or when the cable is pulled toward the first entrance port.

17. The device of claim 10 wherein the second cable guide includes a second guide rail secured therein.

18. The device of claim 17 wherein the second retention member includes a retention channel integrally formed therewith that is complementary in shape to the second guide rail and slidably mounted thereon such that only axial movement of the second retention member is permitted within the second cable guide upon entrance of the cable within the second cable guide or when the cable is pulled toward the second entrance port.

19. A device for gripping a cable having a free end, the device comprising:

a first entrance port for receiving the free end of the cable;

a first exit port in communication with the first entrance port from where the free end of the cable exits the device;

a second entrance port for receiving the free end of the cable after it leaves the exit port;

a second exit port in communication with the second entrance port where the free end of the cable exits the device;

a first cable guide forming a pathway between the first entrance port and the first exit port;

a second cable guide forming a pathway between the second entrance port and the second exit port;

a dividing wall between the first cable guide and the second guide, the dividing wall forming part of the first cable guide and the second guide;

a first retention member slidably disposed within the first cable guide, the first retention member including a grip member integrally formed therewith and having a grip surface angled in parallel relationship to the dividing wall such that the grip surface contacts the cable and wedges it against the dividing wall when the cable is pulled toward the first entrance port; and

a second retention member slidably disposed within the second cable guide, the second retention member including a grip member integrally formed therewith and having a grip surface angled in parallel relationship to the dividing wall such that the grip surface contacts the cable and wedges it against the dividing wall when the cable is pulled toward the second entrance port.

20. The device of claim 19 wherein the grip surface of the first retention member and the grip surface of the second retention member are complimentary in shape to the cable.

21. The device of claim 19 wherein the first cable guide includes a first shaft disposed adjacent to the first cable guide.

22. The device of claim 21 wherein the first retention member includes a guide member integrally formed therewith that is complementary in shape to the first shaft and slidably mounted thereon such that only axial movement of the first retention member is permitted within the first cable guide upon entrance of the cable within the first entrance port or when the cable is pulled toward the first entrance port.

23. The device of claim 19 wherein the second cable guide includes a second shaft disposed adjacent to the second cable guide.

24. The device of claim 23 wherein the second retention member includes a guide member integrally formed therewith that is complementary in shape to the second shaft and slidably mounted thereon such that only axial movement of the second retention member is permitted within the second cable guide upon entrance of the cable within the second entrance port or when the cable is pulled toward the second entrance port.

25. A device for gripping a cable having a free end, the device comprising:

a first entrance port for receiving the free end of the cable;

a first exit port in communication with the first entrance port from where the free end of the cable exits the device;

a second entrance port for receiving the free end of the cable after it leaves the exit port;

a second exit port in communication with the second entrance port where the free end of the cable exits the device;

a first cable guide forming a pathway between the first entrance port and the first exit port;

a first shaft disposed adjacent to the firs cable guide;

a second cable guide forming a pathway between the second entrance port and the second exit port;

a second shaft disposed adjacent to the second cable guide;

a first retention member slidably disposed within the first cable guide, the first retention member including a guide member integrally formed therewith that is complementary in shape to the first shaft and slidably mounted thereon such that only axial movement of the first retention member is permitted within the first cable guide upon entrance of the cable within the first entrance port or when the cable is pulled toward the first entrance port; and

a second retention member slidably disposed within the second cable guide, the second retention member including a guide member integrally formed therewith that is complementary in shape to the second shaft and slidably mounted thereon such that only axial movement of the second retention member is permitted within the second cable guide upon entrance of the cable within the second entrance port or when the cable is pulled toward the second entrance port.

26. The device of claim 25 further comprising a dividing wall between the first cable guide and the second guide, the dividing wall forming part of the first cable guide and the second cable guide.

27. The device of claim 26 further comprising a grip member integrally formed on the first retention member and the second retention member and having a grip surface angled in parallel relationship to the dividing wall such that the grip surface contacts the cable and wedges it against the dividing wall when the cable is pulled toward the first entrance port or the second entrance port.

28. The device of claim 26 further comprising a grip member integrally formed on the first retention member and the second retention member and having a concave grip surface for contacting the cable and wedging the cable against the dividing wall when the cable is pulled toward the first entrance port or the second entrance port.

29. The device of claim 25 further comprising release means for disengaging the first retention member and the second retention member from the cable.