WO2003063317B1 - Flexible interconnect cable strain relief facility - Google Patents

Flexible interconnect cable strain relief facility

Info

Publication number
WO2003063317B1
WO2003063317B1 PCT/US2003/001387 US0301387W WO03063317B1 WO 2003063317 B1 WO2003063317 B1 WO 2003063317B1 US 0301387 W US0301387 W US 0301387W WO 03063317 B1 WO03063317 B1 WO 03063317B1
Authority
WO
WIPO (PCT)
Prior art keywords
cone
cup
assembly
cable
sheath
Prior art date
Application number
PCT/US2003/001387
Other languages
French (fr)
Other versions
WO2003063317A1 (en
Inventor
Paul Sprunger
Original Assignee
Ludlow Co Lp
Paul Sprunger
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ludlow Co Lp, Paul Sprunger filed Critical Ludlow Co Lp
Priority to JP2003563064A priority Critical patent/JP2006508626A/en
Priority to EP03731949A priority patent/EP1468477B1/en
Priority to AT03731949T priority patent/ATE529929T1/en
Priority to KR1020047011242A priority patent/KR100995175B1/en
Publication of WO2003063317A1 publication Critical patent/WO2003063317A1/en
Publication of WO2003063317B1 publication Critical patent/WO2003063317B1/en

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591Specific features or arrangements of connection of shield to conductive members
    • H01R13/65912Specific features or arrangements of connection of shield to conductive members for shielded multiconductor cable
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/58Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
    • H01R13/5804Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable comprising a separate cable clamping part
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/56Means for preventing chafing or fracture of flexible leads at outlet from coupling part
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/58Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/73Means for mounting coupling parts to apparatus or structures, e.g. to a wall
    • H01R13/74Means for mounting coupling parts in openings of a panel
    • H01R13/746Means for mounting coupling parts in openings of a panel using a screw ring
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00Cable fittings
    • H02G15/007Devices for relieving mechanical stress
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02Details
    • H02G3/06Joints for connecting lengths of protective tubing or channels, to each other or to casings, e.g. to distribution boxes; Ensuring electrical continuity in the joint
    • H02G3/0616Joints for connecting tubing to casing
    • H02G3/0625Joints for connecting tubing to casing with means for preventing disengagement of conductors
    • H02G3/0666Joints for connecting tubing to casing with means for preventing disengagement of conductors with means clamping the armour of the conductor
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/02Soldered or welded connections
    • H01R4/023Soldered or welded connections between cables or wires and terminals

Abstract

A cable assembly includes a cable (12) having a core surrounded by a sheath. A cone element (20) has an interior bore receiving the cable core, and has a tapered exterior surface. At least a portion of the cone (20) is received within the cable sheath. A cup (16) has a tapered bore (54) receiving the sheath and the core. A portion of the sheath is captured between the exterior of the cone (20) and the interior of the cup bore. Tension applied to the cable (12) with respect to cup (16) generates compression of the sheath between the cone (20) and cup (16), and tension is thus transmitted by the sheath without application of radial force to the core. The sheath may include a strength member such as a braided metal wrap (32), and an elastic jacket (34), so that the wrap bears the tension, and the jacket returns the sheath to its normal length upon cessation of tension.

Claims

AMENDED CLAIMS
[received by the International Bureau on 17 July 2003 (17.07.03); original claims 1-26 replaced by amended claims 1-26 (3 pages)]
1. A cable assembly comprising: a cable comprising a core surrounded by a sheath; a cone element defining a cone bore receiving the core; the cone having a tapered exterior surface; at least a portion of the cone being received within the sheath; a cup defining a tapered cup bore receiving the sheath and the core; a portion of the sheath captured between the exterior of the cone and the cup bore.
2. The assembly of claim 1 wherein the cone has a large end and a small end, and the small end extends toward an intermediate portion of the cable and away from a free end of the cable adjacent the cone.
° hp. assemblv of claim 2 wherein the cup bore has a small diameter end extending 4. The assembly of claim 1 wherein ine cup .a tuiω ,
5. The assembly of claim 1 including a connector element defining a bore receiving the cable and rotatably connected to the cup, and having a threaded portion for connection to a housing, such that rotation of the connector element does not twist a cable connected to the cup.
6. The assembly of claim 5 wherein the connector element includes a resilient flex relief sleeve defining a bore receiving the cable.
7. The assembly of claim 1 wherein the cone exterior and cup bores are frustoconical surfaces.
8. The assembly of claim 7 wherein the frustoconical surfaces have a common taper angle.
9. The assembly of claim 7 wherein the cone has a taper half angle of less than 10 degrees, such that tension on the cable with respect to the cup generates compression of the sheath between the cone and the cup.
10. The assembly of claim 1 wherein the cable sheath includes an outer jacket and an inner shield, and wherein the jacket and shield are clamped together between the cone and cup.
11. The assembly of claim 10 wherein the shield has a greater resistance to stretching than the outer jacket.
12. The assembly of claim 10 wherein the shield is formed of braided metal wires.
13. The assembly of claim 10 wherein the jacket is formed of an elastic material.
14. The assembly of claim 13 wherein the shield limits elongation of the cable under limited tension adequate to stretch the jacket.
15. The assembly of claim 1 wherein the cone entirely surrounds the core such that it is uninterrupted by a split and resists compression to a smaller diameter.
16. The assembly of claim 1 wherein the cup entirely surrounds the core such that it is uninterrupted by a split and resists expansion to a larger diameter.
17. The assembly of claim 1 wherein the cone defines an axis and has a axial length, and wherein the cone has a frustoconical surface extending the entire axial length of the cone.
15. The assembly of claim 1 wherein the cone has a frustoconical surface, and the portion of the frustoconical surface having the largest diameter comprises the largest diameter portion of the cone.
19. A cable assembly comprising: a cable comprising a core surrounded by a sheath; a cone element defining a cone bore receiving the core; the cone having an exterior surface having a smaller diameter at one end than at the other end; at least a portion of the cone being received within the sheath; a cup defining a cup bore receiving the sheath and the core, the bore of the cup having a smaller diameter at one end than at the other end; a portion of the sheath captured between the exterior of the cone and the cup bore; and the one end of the cone having an exterior surface having a smaller diameter, and the one end of the large end of the bore of the cup having a smaller diameter, extending in a common direction.
20. The assembly of claim 19 wherein the cone has a large end and a small end, and the small end extends toward an intermediate portion of the cable and away from a free end of the cable adjacent the cone.
21. The assembly of claim 20 wherein the cup bore has a small diameter end extending away from the free end.
22. The assembly of claim 19 wherein the cup is connected to a housing.
23. The assembly of claim 19 including a connector element defining a bore receiving the cable and rotatably connected to the cup, and having a threaded portion for connection to a housing, such that rotation of the connector element does not twist a cable connected to the cup.
24. The assembly of claim 19 wherein at least one of the cone exterior surface and cup bore is stepped.
25. The assembly of claim 19 wherein at least one of the cone exterior surface and cup ,bore includes tapered segments.
26. The assembly of claim 19 wherein the cable sheath includes an outer jacket and an inner shield, and wherein the jacket and shield are clamped together between the cone and cup.
PCT/US2003/001387 2002-01-22 2003-01-17 Flexible interconnect cable strain relief facility WO2003063317A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2003563064A JP2006508626A (en) 2002-01-22 2003-01-17 Flexible interconnect cable strain relief
EP03731949A EP1468477B1 (en) 2002-01-22 2003-01-17 Flexible interconnect cable strain relief facility
AT03731949T ATE529929T1 (en) 2002-01-22 2003-01-17 FLEXIBLE CONNECTION CABLE STRAIN RELIEF DEVICE
KR1020047011242A KR100995175B1 (en) 2002-01-22 2003-01-17 Flexible interconnect cable strain relief facility

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/055,488 2002-01-22
US10/055,488 US6672894B2 (en) 2002-01-22 2002-01-22 Flexible interconnect cable strain relief facility

Publications (2)

Publication Number Publication Date
WO2003063317A1 WO2003063317A1 (en) 2003-07-31
WO2003063317B1 true WO2003063317B1 (en) 2004-05-27

Family

ID=21998171

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2003/001387 WO2003063317A1 (en) 2002-01-22 2003-01-17 Flexible interconnect cable strain relief facility

Country Status (7)

Country Link
US (1) US6672894B2 (en)
EP (1) EP1468477B1 (en)
JP (1) JP2006508626A (en)
KR (1) KR100995175B1 (en)
CN (1) CN100533891C (en)
AT (1) ATE529929T1 (en)
WO (1) WO2003063317A1 (en)

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Also Published As

Publication number Publication date
KR100995175B1 (en) 2010-11-17
EP1468477A1 (en) 2004-10-20
EP1468477B1 (en) 2011-10-19
WO2003063317A1 (en) 2003-07-31
CN1695279A (en) 2005-11-09
US20030139087A1 (en) 2003-07-24
US6672894B2 (en) 2004-01-06
KR20040074126A (en) 2004-08-21
JP2006508626A (en) 2006-03-09
ATE529929T1 (en) 2011-11-15
CN100533891C (en) 2009-08-26

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