US2355166A - Cable clamping means - Google Patents

Cable clamping means Download PDF

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Publication number
US2355166A
US2355166A US403478A US40347841A US2355166A US 2355166 A US2355166 A US 2355166A US 403478 A US403478 A US 403478A US 40347841 A US40347841 A US 40347841A US 2355166 A US2355166 A US 2355166A
Authority
US
United States
Prior art keywords
cable
nut
packing
plug
clamping
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
US403478A
Inventor
Johanson Herman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Albert and JM Anderson Manufacturing Co
Original Assignee
Albert and JM Anderson Manufacturing Co
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 Albert and JM Anderson Manufacturing Co filed Critical Albert and JM Anderson Manufacturing Co
Priority to US403478A priority Critical patent/US2355166A/en
Application granted granted Critical
Publication of US2355166A publication Critical patent/US2355166A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/10—Telescoping systems
    • F16B7/14—Telescoping systems locking in intermediate non-discrete positions
    • F16B7/149—Telescoping systems locking in intermediate non-discrete positions with a sleeve or ring having a tapered or conical surface
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/58—Means 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
    • H01R13/59—Threaded ferrule or bolt operating in a direction parallel to the cable or wire
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S285/00—Pipe joints or couplings
    • Y10S285/919—Resinous
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S411/00—Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
    • Y10S411/924—Coupled nut and bolt
    • Y10S411/949—Rachet and bolt-carried pawl

Definitions

  • This invention relates to a cable clamping means.
  • the invention has for an object to provide novel means for securing a member, such as an electrical connector of the character having a bore, to a cable and into which the cable is extended to mount the member on the cable in which provision is made for locking the parts in their secured condition in a simple and eflicient manner.
  • a member such as an electrical connector of the character having a bore
  • the invention consists in the cable clamping means and in the various structures, arrangements and combinations 01' parts hereinafter described and particularly defined in the claims at the end of this specification.
  • Fi 1 is a side elevation of an electrical connector embodying the present invention
  • Fig. 2 is a longitudinal crosssection of the connector shown in Fig. l
  • Fig. 3 is a planview in cross-section taken on the line 3-3 of Fig. 2.
  • the present invention contemplates a connector or coupling member adapted to clamp and retain the cable in operative relation to the electrical connection through which it passes to the end that the terminals in such electrical connection to which the cable leads are attached may be relieved from strain when the cable is pulled.
  • the invention is illustrated herein as embodied in a plug member of a plug and socket connection having a longitudinalbore into which the cable is extended to mount the member on the cable, and provision is made [or clamping the plug member to said cable so that the terminals may be relieved from strain when the plug member is pulled out of its cooperating socket member.
  • such clamping and locking means may include an annular compressible member carried by the plug member and arranged to. be compressed about the cable in clamping position by a nut and provision is made for locking said nut in its clamped position whereby to prevent inadvertent loosening of the cable from the plug member of the plug and socket connection.
  • the invention is herein illustrated as embodied in the plug member of an electrical connection comprising a plug and socket connection, and as herein shown, l0 represents the outer casing or insulated shell of such plug member having a bore H in which a cable I2 is received.
  • the cable l2 which passes through the bore of the plug member I II is provided with insulated leads ll which may be connected to the usual terminals (not shown) disposed within the plug member.
  • a compressible packing unit including a packing member l6 preferably of a resilient nature, such as of rubber, which is annular in form and arranged to slidingly embrace the cable when the packing member is in its normally distended form and before pressure is applied to clamp the packing member about the cable.
  • the packing member is tapered or wedge shaped and arranged to flt into and cooperate with a correspondingly tapered surface is provided at the inlet to the plug member Ill.
  • the inlet end of the plug member is exteriorly threaded and is arranged to receive an internally threaded packing nut 20.
  • the packing nut forms a seat for an annular. member 22, preferably of metal provided with a tapered surface 24 arranged to cooperatively engage a correspondingly tapered surface at the lower end of the resilient packing member Ill.
  • a coil spring 26 having one end 28 fixed in the plug member In and provided with a hooked portion 30 at its other end is arranged to cooperate with notches forming teeth 32 cut in the upper end of the packing nut 20, as clearly shown in Fig. 1.
  • the hooked end 30 of the spring rides over the notches 32 and when the nut is tightened suiiiciently, the hook membermalls into one of the notches and thus prevents rotation. of the nut in the opposite direction.
  • the hooked end 30 may be manually raised .and held out of the notches 32 while the packing nut 20 is being unscrewed.
  • the present device is adapted to maintain the cable in clamped relation to the casing oi the plug member of a plug and socket connection so as to relieve the strain on the terminals when the plug member is pulled from its socket, and that the locking mechanism maintains the clamping members in their clamped position whereby to prevent inadvertent loosening of the cable from its supporting casing.
  • the present connector may be embodied in other electrical connections wherein it is desired to maintain a cable in fixed relation to its supporting member such as a switch box, junction box, or other cable inlets or outlets.

Description

1944- H. JOHANSON 2,355,166
CABLE CLAMPING MEANS Filed July 22, 1941 MMM Patented Aug. 8, 1944 CABLE CLAMPING MEANS Herman Johanson, Brookline, Mass., asslgnor to Albert & J. M. Anderson Manufacturing Company, South Boston, Mass, a corporation of Massachusetts Application July 22, 1941, Serial No. 403,478
2 Claims.
This invention relates to a cable clamping means.
The invention has for an object to provide novel means for securing a member, such as an electrical connector of the character having a bore, to a cable and into which the cable is extended to mount the member on the cable in which provision is made for locking the parts in their secured condition in a simple and eflicient manner.
With this general object in view and such others as may hereinafter appear, the invention consists in the cable clamping means and in the various structures, arrangements and combinations 01' parts hereinafter described and particularly defined in the claims at the end of this specification.
In the drawing illustrating the preferred embodiment of the invention, Fi 1 is a side elevation of an electrical connector embodying the present invention; Fig. 2 is a longitudinal crosssection of the connector shown in Fig. l; and Fig. 3 is a planview in cross-section taken on the line 3-3 of Fig. 2.
In general, the present invention contemplates a connector or coupling member adapted to clamp and retain the cable in operative relation to the electrical connection through which it passes to the end that the terminals in such electrical connection to which the cable leads are attached may be relieved from strain when the cable is pulled. The invention is illustrated herein as embodied in a plug member of a plug and socket connection having a longitudinalbore into which the cable is extended to mount the member on the cable, and provision is made [or clamping the plug member to said cable so that the terminals may be relieved from strain when the plug member is pulled out of its cooperating socket member.
In the illustrated embodiment of the invention, such clamping and locking means may include an annular compressible member carried by the plug member and arranged to. be compressed about the cable in clamping position by a nut and provision is made for locking said nut in its clamped position whereby to prevent inadvertent loosening of the cable from the plug member of the plug and socket connection.
Referring 'now to the drawing, the invention is herein illustrated as embodied in the plug member of an electrical connection comprising a plug and socket connection, and as herein shown, l0 represents the outer casing or insulated shell of such plug member having a bore H in which a cable I2 is received. The cable l2 which passes through the bore of the plug member I II is provided with insulated leads ll which may be connected to the usual terminals (not shown) disposed within the plug member.
Provision is made for clamping the cable l2 to the plug member l0 by means of a compressible packing unit including a packing member l6 preferably of a resilient nature, such as of rubber, which is annular in form and arranged to slidingly embrace the cable when the packing member is in its normally distended form and before pressure is applied to clamp the packing member about the cable.' As herein shown, the packing member is tapered or wedge shaped and arranged to flt into and cooperate with a correspondingly tapered surface is provided at the inlet to the plug member Ill. The inlet end of the plug member is exteriorly threaded and is arranged to receive an internally threaded packing nut 20. The packing nut forms a seat for an annular. member 22, preferably of metal provided with a tapered surface 24 arranged to cooperatively engage a correspondingly tapered surface at the lower end of the resilient packing member Ill.
In operation, it will be seen that upon rotation of the packing nut, in one direction, pressure is exerted upon the end of the packing member l6 thus wedging the packing member between the tapered inlet and the cable and compressibly clamping the cable I 2 to the end of the plug member l0.
Provision is made for locking the packing nut 20 in its adjusted position when it has been tightened sufficiently to cause the rubber packing member to grip the cable, and as herein shown, a coil spring 26 having one end 28 fixed in the plug member In and provided with a hooked portion 30 at its other end is arranged to cooperate with notches forming teeth 32 cut in the upper end of the packing nut 20, as clearly shown in Fig. 1. In operation, when the packing nut is rotated in a direction such as to clamp the cable in the bore of the plug member, the hooked end 30 of the spring rides over the notches 32 and when the nut is tightened suiiiciently, the hook membermalls into one of the notches and thus prevents rotation. of the nut in the opposite direction. When it is desired to disassemble the unit, the hooked end 30 may be manually raised .and held out of the notches 32 while the packing nut 20 is being unscrewed.
From. the above description, it will be observed that in the illustrated embodiment of the invention, the present device is adapted to maintain the cable in clamped relation to the casing oi the plug member of a plug and socket connection so as to relieve the strain on the terminals when the plug member is pulled from its socket, and that the locking mechanism maintains the clamping members in their clamped position whereby to prevent inadvertent loosening of the cable from its supporting casing. It will also be seen that the present connector may be embodied in other electrical connections wherein it is desired to maintain a cable in fixed relation to its supporting member such as a switch box, junction box, or other cable inlets or outlets.
While the preferred embodiment of the invention has been herein illustrated and described, it
will be understood that the invention may be embodied in other forms within the scope oi the following claims.
Having thus described the invention, what is claimed is:
1. The combination with an electrical cable, of a housing forming one end of a cable receiving member, said cable receiving member having one end portion thereof threaded and provided with a longitudinal bore into which the cable is extended to mount the member on the cable, a packing nut in threaded engagement with the threaded portion oi said cable receiving member, said nut having notches in the leading and thereof, a compressible packing member within the packing nut for clamping the cable receiving member to the cable to prevent withdrawal there- 01 from said bore, and locking means for the packing nut, said locking means comprising a coil spring normally carried by said cable receiving member and having one end fixed in the cable receiving member at a point beyond the threaded portion 01' said cable receiving member and provided with a hook at its second end engageable with the notches in said nut to lock said nut against inadvertent unscrewing.
2. The combination with an electrical cable, of a casing part for receiving one end of said cable, said cable receiving member having one end portion thereof threaded and provided with a longitudinal bore into which the cable is extended to mount the member on the cable, a packing nut in threaded engagement with the threaded portion of said cable receiving member, said packing nut having notches in the leading face thereof, means within the packing nut for clamping the cable receiving member on the cable, an annular wedge member 01' non-resilient material seated in said clampin nut and arranged to force said packing nut into clamping engagement with said cable, and locking means for the packing nut comprising a coil spring normally carried by said cable receiving member having one end fixed in said cable receiving member and provided with a hook at its other end engageable with the notches in said nut to lock said nut against inadvertent unscrewing.
HERMAN JOHANBON.
US403478A 1941-07-22 1941-07-22 Cable clamping means Expired - Lifetime US2355166A (en)

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Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2479740A (en) * 1947-08-25 1949-08-23 Donovan B Grable Pipe-joint retainer
US2633116A (en) * 1949-11-02 1953-03-31 Leonard Spark Plug Co Inc Shielded spark plug
US2774947A (en) * 1951-01-25 1956-12-18 Frensch Otto Sealing means on fixtures for fluorescent tubes
US2890434A (en) * 1955-10-21 1959-06-09 Anatoly B Ray Electrical disconnect safety lock
US2956820A (en) * 1957-07-01 1960-10-18 On Mark Couplings Inc Flexible pipe coupling for beaded conduits having a plurality of pivotal back-up elements
US3032601A (en) * 1959-10-08 1962-05-01 Carrier Corp High voltage lead termination
US3083042A (en) * 1958-08-25 1963-03-26 Lear Siegler Inc Quick connect coupling
US3409319A (en) * 1966-07-27 1968-11-05 Huck Mfg Co Collet locking device
US3913956A (en) * 1971-11-02 1975-10-21 Jonah Eidelberg Fitting for conduit and electrical cable
US4030742A (en) * 1973-06-04 1977-06-21 I-T-E Imperial Corporation Fitting for conduit and electrical cable
FR2560333A1 (en) * 1984-02-29 1985-08-30 Martin Lunel Ets Stuffing box, especially for an industrial power plug
US4544800A (en) * 1982-12-25 1985-10-01 Nikko Kogyo Kabushiki Kaisha Cable holder
US4571452A (en) * 1983-07-22 1986-02-18 Societa' Cavi Pirelli S.P.A. Electric cable sealing end
US4580865A (en) * 1984-05-15 1986-04-08 Thomas & Betts Corporation Multi-conductor cable connector
US4674909A (en) * 1986-10-15 1987-06-23 The Boeing Company Locking clamp for ball joint
US5458507A (en) * 1993-09-10 1995-10-17 Eft Interests, Ltd. Fluid resistant electrical connector with boot-type seal assembly
EP0844694A2 (en) * 1996-11-22 1998-05-27 KRONE Aktiengesellschaft Clamping device
US20060061094A1 (en) * 2002-07-24 2006-03-23 Vyse Gerrard N Lockwireless anti-rotation fitting
US20090103881A1 (en) * 2007-10-22 2009-04-23 Adc Telecommunications, Inc. Fiber optic cable clamp

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2479740A (en) * 1947-08-25 1949-08-23 Donovan B Grable Pipe-joint retainer
US2633116A (en) * 1949-11-02 1953-03-31 Leonard Spark Plug Co Inc Shielded spark plug
US2774947A (en) * 1951-01-25 1956-12-18 Frensch Otto Sealing means on fixtures for fluorescent tubes
US2890434A (en) * 1955-10-21 1959-06-09 Anatoly B Ray Electrical disconnect safety lock
US2956820A (en) * 1957-07-01 1960-10-18 On Mark Couplings Inc Flexible pipe coupling for beaded conduits having a plurality of pivotal back-up elements
US3083042A (en) * 1958-08-25 1963-03-26 Lear Siegler Inc Quick connect coupling
US3032601A (en) * 1959-10-08 1962-05-01 Carrier Corp High voltage lead termination
US3409319A (en) * 1966-07-27 1968-11-05 Huck Mfg Co Collet locking device
US3913956A (en) * 1971-11-02 1975-10-21 Jonah Eidelberg Fitting for conduit and electrical cable
US4030742A (en) * 1973-06-04 1977-06-21 I-T-E Imperial Corporation Fitting for conduit and electrical cable
US4544800A (en) * 1982-12-25 1985-10-01 Nikko Kogyo Kabushiki Kaisha Cable holder
US4571452A (en) * 1983-07-22 1986-02-18 Societa' Cavi Pirelli S.P.A. Electric cable sealing end
FR2560333A1 (en) * 1984-02-29 1985-08-30 Martin Lunel Ets Stuffing box, especially for an industrial power plug
US4580865A (en) * 1984-05-15 1986-04-08 Thomas & Betts Corporation Multi-conductor cable connector
US4674909A (en) * 1986-10-15 1987-06-23 The Boeing Company Locking clamp for ball joint
US5458507A (en) * 1993-09-10 1995-10-17 Eft Interests, Ltd. Fluid resistant electrical connector with boot-type seal assembly
US5998737A (en) * 1996-11-22 1999-12-07 Krone Aktiengesellschaft Clamping device
EP0844694A3 (en) * 1996-11-22 1998-12-02 KRONE Aktiengesellschaft Clamping device
EP0844694A2 (en) * 1996-11-22 1998-05-27 KRONE Aktiengesellschaft Clamping device
US20060061094A1 (en) * 2002-07-24 2006-03-23 Vyse Gerrard N Lockwireless anti-rotation fitting
US7600789B2 (en) * 2002-07-24 2009-10-13 Vyse Gerrard N Lockwireless anti-rotation fitting
US20090103881A1 (en) * 2007-10-22 2009-04-23 Adc Telecommunications, Inc. Fiber optic cable clamp
US7711236B2 (en) 2007-10-22 2010-05-04 Adc Telecommunications, Inc. Fiber optic cable clamp
US20100215331A1 (en) * 2007-10-22 2010-08-26 Adc Telecommunications, Inc. Fiber optic cable clamp
US8364000B2 (en) 2007-10-22 2013-01-29 Adc Telecommunications, Inc. Fiber optic cable clamp

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