EP1171931B1 - Elektrischer steckverbinder und methode - Google Patents

Elektrischer steckverbinder und methode Download PDF

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Publication number
EP1171931B1
EP1171931B1 EP00920210A EP00920210A EP1171931B1 EP 1171931 B1 EP1171931 B1 EP 1171931B1 EP 00920210 A EP00920210 A EP 00920210A EP 00920210 A EP00920210 A EP 00920210A EP 1171931 B1 EP1171931 B1 EP 1171931B1
Authority
EP
European Patent Office
Prior art keywords
housing
gripping
electrical conductor
electrical
collar
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
EP00920210A
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English (en)
French (fr)
Other versions
EP1171931A1 (de
Inventor
Dale C. Mccarthy
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.)
Centerpin Technology Inc
Original Assignee
Centerpin Technology Inc
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
Priority claimed from US09/289,905 external-priority patent/US6126491A/en
Priority claimed from US09/303,197 external-priority patent/US6244892B1/en
Priority claimed from US09/330,381 external-priority patent/US6848934B1/en
Application filed by Centerpin Technology Inc filed Critical Centerpin Technology Inc
Publication of EP1171931A1 publication Critical patent/EP1171931A1/de
Application granted granted Critical
Publication of EP1171931B1 publication Critical patent/EP1171931B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-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
    • H01R4/28—Clamped connections, spring connections
    • H01R4/50—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
    • H01R4/5033—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using wedge or pin penetrating into the end of a wire in axial direction of the wire
    • 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
    • H01R13/582—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 the cable being clamped between assembled parts of the housing
    • H01R13/5825—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 the cable being clamped between assembled parts of the housing the means comprising additional parts captured between housing parts and cable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-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
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2404—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation
    • H01R4/2412—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation actuated by insulated cams or wedges

Definitions

  • the present invention relates to an electrical connector apparatus and method and especially to an electrical connector for coupling to an insulated electrical conductor without stripping the end of the insulated electrical conductor.
  • My prior U.S. patent 5,704,814 for an Electrical Connector provides an electrical connector for coupling to an insulated electrical conductor which includes an insulated housing having threaded bores with a tapered portion therein.
  • An electrical conductive prong extends into the housing bore for receiving an insulated electrical conductor thereon.
  • the compression collar is threadedly attached in the bore and has a bore extending axially therethrough for insertion of a wire into the housing bore and onto a pointed prong extending into the bore. The compression collar compresses into the tapered portion of the bore to grip the electrical conductor extending therethrough.
  • the Chang patent No. 4,013,333 is for a wire connector having two concentric sockets adapted to be assembled one into the other.
  • the inner socket has a conductive needle mounted therein for sliding a wire end into each end of the connector.
  • a cathode cable assembly is connected to a ball-like cathode member by stripping the end portion of the cable and inserting the end portion into a sleeve which is pressed into an undersized tapered socket and which has a pointed pin therein.
  • the Komada Patent No. 4,374,458 is for a method of connecting a co-axial cable to a connector having a plurality of connections.
  • the Herrington Patent No. 916,313 is for a spark plug having a spark plug wire connector on the end thereof.
  • the Despard Patent No. 3,097,035 is for another electric cable connector for use between sections of flexible multi-conductor cable as used with portable electric power consuming equipment and a fixed power outlet.
  • the Polidori Patent No. 3,633,147 has a connector for underground utility applications.
  • the Gutter et al. U.S. Patent, No. 4,739,126. is for a panel mount ground termination apparatus for terminating the outer shielding conductor of an electrical cable.
  • a cable is passed through a closure member and through a compression member and through a termination member and into the housing to compress a plurality of prongs into the cable.
  • the Horak U.S. Patent, No. 3,744,007 is for a three-piece coaxial cable connector as is the Brush. Jr. et al. U.S. Patent, No. 4,561,179, for a method for electrical connection to the center conductor of an insulated wire.
  • the Song U.S. Patent No. 4,759,722 is for a plug for coaxial cable while the Gayer, Jr. et al.
  • U.S. Patent No. 5,066,248 is for a manually installable coaxial cable connector.
  • the Bielak U.S. Patent No. 5,362,251 is for a solderless coaxial connector plug while the Wright U.S. patent No 5,607,320 is for a cable clamp apparatus.
  • the Lin et al US Patent No 5,573,423 describes a three piece distribution cable mounting device.
  • the McCarthy US Patent No 5,775,934 is for an electrical connector for coupling to a coax cable.
  • the connector has a central proxy, which engages with the inner conductor of the cable, and conductive clamp, with pointed ends which pierce the cable's outer insulation to engage the outer conductor.
  • the present invention relates to an electrical connector and method for coupling an insulated electrical conductor to an electrical connector.
  • the subject electrical connector has a conductor housing having at least one bore therein and an electrically conductive prong mounted in the housing bore.
  • An electrical conductor gripping collar is positioned in each conductor housing bore and has associated therewith a corresponding collar driving member.
  • An insulated electric conductor is inserted through an electrical fastening cap, through the collar driving member and through the gripping collar into the housing bore and onto the electrical conductive prong.
  • the collar driving member is pushed onto the gripping collar either independently or by the fastening cap to force the gripping collar further into the bore axially and the gripping fingers on the gripping collar onto the electrical conductor's insulation.
  • the fastening cap is then fastened to the connector housing to secure the electrical conductor to the electrical connector.
  • the housing can have a plurality of bores therein each having a gripping collar attached thereto driven by a single collar driving member having a plurality of openings therethrough for a plurality of electrical conductors.
  • a single fastening cap can push the collar driving member to drive each of the gripping collars onto one of the insulated conductors.
  • a method of connecting an electrical conductor to an electrical connector in accordance with this embodiment includes selecting an apparatus as set forth and threading one or more electrical conductors through the fastening cap collar driving member and gripping collars into the connector housing bores and onto the electrical conductive prong in each bore and then pushing the collar driving member onto each gripping collar to drive each gripping collar into the housing bore and onto an electrical conductor extending therethrough and then fastening the collar driving member to the housing.
  • an electrical connector 10 having a housing 11 having a plurality of electrical contacts 12 extending from one end thereof.
  • the other end of the housing has a plurality of bores 13 extending thereinto with each bore having a conducting gripping collar 14 inserted into the bore 13 .
  • Each collar 14 is split and has a plurality of gripping fingers 15 extending from one end thereof which are outwardly splayed and each gripping finger has a gripping tip 16 or edge 16.
  • the housing 11 may have a first annular groove 17 and needs a second annular groove 18 therearound along with an edge 20 defining the reduced attaching portion 21 of the housing 11.
  • a combined fastening cap and collar pushing member 22 has a fastening cap or side wall portion 23 and a collar pushing member of closure ring 24 with a plurality of apertures 25 therethrough. Each of the apertures 25 is positioned to align with one of the housing bores 13.
  • the cap portion 23 is divided into a plurality of fastening arms 26 each having at least a first fastening snap ledge or ring 27 and may have a second snap ledge or ring 28 thereon.
  • the connector 10 as seen in Figure 1, has a plurality of insulated electrical conductors 30 attached thereto and extending through the collar pushing portion 24 apertures 25 , although the embodiment may be scaled except for a single insulated electrical conductor.
  • the electrical connector 10 will have the conductor gripping collars 14 barrel portion 31 inserted into each bore 13 with the cap 22 being attached to the housing 11 by the arms 26 first fastening snap ledge 27 pushed into the first annular groove 17 , as shown in Figure 3.
  • the tip 27 has an angled surface 33 while the fastening snap ledge 28 has an angled surface 34 thereon.
  • the insulated electrical conductors 30 have each been inserted through the apertures 25 through a collar 14 into the bore 13 and impaled onto electrical conductive contact prongs or pins 35 .
  • Each electrical conductor 30 has an outer insulation 36 surrounding a conductor 37. The insulation has not been stripped on the conductors 30 since they are being pushed onto the prongs 35.
  • each prong 35 having a pointed tip 38.
  • the collars 14 gripping fingers 15 are splayed so that the conductor 30 can be inserted therethrough.
  • the fastening cap 26 along with the collar pushing portion 24 is forced against the ends 40 of the gripping fingers of the conductor gripping collars 14.
  • the gripping collars 14 are each driven into their respective bores 13 forcing the fingers 15 to be driven onto each conductor 30 with the gripping tips 16 being driven into the insulation 36 of the electrical conductor 30 .
  • the tips 16 can be driven all the way through the insulation to make contact with the electrical conductor 37 or can be driven to compress onto the insulation 36 .
  • the electrical connector advantageously allows the electrical connector to be set up as illustrated in Figure 3 ready for a plurality of conductors 30 to be inserted into the connector for attachment thereto.
  • the cap and collar pushing member 22 can then be driven from the first position, shown in Figure 3, to the second position, shown in Figure 4, to attach all of the conductors 30 simultaneously with electrical contact with the prongs 35 and, if desired, with the gripping teeth 16 .
  • the electrical connector 40 operates in the manner of the connector of Figures 1 through 4 except with a threaded attachment on the cap for attaching all of the conductors to the connector.
  • the electrical connector 40 has a housing 41 having a plurality of electrical contacts 42 extending from one end thereof and has an externally threaded portion 43 therearound.
  • the housing has a plurality of bores 44 extending thereinto each having a conductor gripping collar 45 positioned therein which collar is the same as that illustrated in Figures 2, 3 and 4 and each collar having a plurality of fingers 46 with gripping tips 47 .
  • the collar pushing member 48 is a separate component having a plurality of bores 50 extending therethrough and aligned with the bores 44 of the housing 41 .
  • the collar pushing member 48 has an annular flange 51 extending around one end thereof.
  • the fastening cap, or side wall, 52 has an open passageway 53 therethrough with a plurality of internal threads 54 at one end thereof and an internal ledge 55 located thereinside sized to fit over the collar pushing member, or closure ring 48 , with the flange 51 being engaged by the ledge 55 .
  • the fastening cap 52 is threaded onto the threads 43 of the housing 41 over the collar pushing member 48 .
  • the aperture in the collar pushing member, or closure ring 48 are sized for a conductor 56 to past through but two small for the gripping fingers 46 of the conductor gripping collars 45 to fit into.
  • the fastening cap 52 can be partially threaded onto the housing 41 over the collar pushing member 48 which is positioned against each of the conductor gripping collars 45.
  • the conductors 56 can then be slid through the apertures 50 of the collar pushing member 48 and through the conductor gripping collars 45 into the bores 44 which may have the prong 35 of Figures 1 through 4 extending into each bore.
  • the collar pushing member 48 is pushed against the ends of each conductor either independently or by threading gripping collar 45 to drive the fingers 46 into each conductor to lock the conductors 56 to the electrical connector 40 without having to strip the ends of the conductors 56 and without having to connect each separate conductor to the electrical connector.
  • the fastening cap 52 can be tightened onto the housing by hand or with ordinary tools, such as a pair of pliers.
  • Connector 60 has a connector body 63 having a collar 64 inserted in each end.
  • Each collar has a tubular portion 65 with a plurality of fingers 66 which have also been split and splayed similar to the conductor gripping collars 14 of Figure 2 or 45 of Figure 5.
  • Each collar finger 66 has a gripping tip or edge 67 and may have a locking edge 68 on the tip of each finger 66.
  • the connector housing 63 can have a conductive center portion 70 with a prong or pin 71 extending into a bore 72 on one end and a prong or pin 73 extending into a bore 74 on the other end thereof.
  • Each conductor 61 and 62 has a central conductive portion 75 with an outer insulation 76 ,
  • the collar pushing member or collar ring 77 is placed on each conductor 61 and 62, as seen in Figure 10, and then the conductor inserted through the collar 64 into the bore 72 and impaled onto the electrical conducive prong 71 to make electrical contact between the electrical conductor 75 and the prongs 71 and 73.
  • the collar pushing member 77 which can be made of a resilient material, is then driven from one or both ends with a pliers-like tool 78 , as illustrated in Figure 9.
  • the collar pushing member 77 is driven on each conductor 61 and 62 , it drives against the ends of the collars 64 to drive the collars further into the bore 72 forcing the gripping tips 67 into the conductors 61 and 62 to grip the conductors, as shown in Figure 8.
  • the fingers 66 and gripping tips 67 may be manually squeezed onto the conductors before the pushing member 7 is driven against, if included, the collars 64.
  • the fastening tip 68 As the collars 64 are driven into the bore 72, the fastening tip 68 , if included, is driven into an annular groove 80 , as shown in Figure 8, to thereby lock each collar in place within the housing 63.
  • the angled tips 81 allow the fastening tips to slide into the grooves 80 over the groove defining ledges 82.
  • the collar pushing member 77 is driven into an enlarged bore portion 83 to provide a locking seal between the collar finger 66, the conductor 62 , and the connector body 63 , as seen in Figure 8.
  • an exploded view of an electrical connector 110 in Figure 11 has an electrical connector housing 111 having electrical contacts 112 extending from one end thereof and external threads 113 formed thereon.
  • a housing cap 114 has an aperture 115 therethrough and has a plurality of internal threads 116 formed therein.
  • a ledge 117 is formed in the cap 114.
  • Conductor gripping collars 120 are mounted in the wall 118 of the housing 111 and each has an opening with a plurality of fingers 121 extending at an angle from the edge of an opening.
  • Each finger 121 has a tip portion 122 positioned at an angle to the finger, such that the pointed tip 122 can be driven into an electrical conductor.
  • a compression ring or member 123 has a plurality of openings 124 sized for the passage of individual electrical conductors therethrough and has an annular flange 125 for engaging the annular ledge 117 of the cap 114 when the cap is slid thereover and the internal threads 116 of the cap are attached to the external threads 113 of the housing 111 .
  • the cap 114 can be loosely attached to the connector housing 111 and electrical conductor inserted through the opening 115 in the cap 114 and through the compression ring 123 and through the griping collar 120 and into the housing 111. The cap 114 can then be tightened to force the tips 122 of the fingers 121 into the conductor.
  • Figure 12 shows the gripping collar 120 in greater detail. It is formed of a single flat piece of material 127 having an aperture 128 therethrough with a pair of angled fingers 112 extending at an angle from the edge of the opening 128 . Each finger 121 has a finger tip portion 122 and, although it need not in this case, the finger tip 122 is shown with a pair of pointed gripping teeth 133 and 134.
  • the collar 120 can be made of a single flat piece of material which has been stamped with a cutting die to form the opening 128 and the fingers 121 from the same piece of material in a single operation. This allows for the manufacture of a simple and inexpensive gripping collar.
  • an electrical conductor 135 having a conductor 136 and an insulating cover 137, and has been inserted through the compression ring 123 and through the electrical conductor gripping collar 120 into a bore 141 of the housing 111.
  • the housing 111 has an electrical conductive prong 142 extending axially into the bore 141 .
  • the connector housing 111 also has a recessed area 143 for receiving the gripping collar 120 therein.
  • the electrical conductor 135 has been inserted through the aperture 124 in the compression ring and through the gripping collar 120 into the bore 141 and pushed onto the conductive prong 142 in the housing 111.
  • Figure 11 functions in the same manner as illustrates in Figures 12, 13 and 14 and described above except that a plurality of conductors can be threaded through the opening 115 in the cap 114 and through individual openings 124 in the compression ring 123 and through the gripping collar 120 .
  • the compression ring 123 can then compress all of the fingers 121 of the collars 120 simultaneously by tightening the cap 114 onto the housing 111 over the compression ring 123.
  • the teeth 133 of the fingers 121 make contact with the connector 136, either the connector housing must be of electrical insulating material or electrical insulation provided between the gripping collar 120 and housing 111.
  • FIG. 15 another embodiment of an electrical connector 150 is shown in an exploded view having a housing 151 having a plurality of electrical contacts 152 extending from one end thereof and having external threads 153 therearound.
  • the housing cap 154 has a passageway 157 therethrough along with a ledge 156 therein and internal threads 155 for threaded attachment to the threads 153 of the housing 150.
  • the collar compression ring 158 has a plurality of openings 160 passing therethrough and an annular flange 161 therearound for compressing onto the electrical conductor gripping collar 166 mounted in the wall 162 of the housing 151 .
  • the electrical connector 150, housing 151 , housing cap 154, and collar compressing member 158 are all the same as illustrated in Figure 11.
  • the gripping collars 166 however has a plurality of fingers each with a blunted end for compressing against an electrical conductor passing therethrough without penetrating the electrical conductor's insulation.
  • an electrical conductor gripping collar 166 is formed for gripping a single electrical conductor within an electrical connector gripping collar 166 .
  • a plurality of fingers 164 extend from one edge 163 of the gripping collar 166 and each finger has a curved or blunted end 165 .
  • the connector of Figures 17 and 18 shows the collar compression ring 158 in which the aperture 160 therethrough is sized for the electrical conductor 135 to pass therethrough.
  • the electrical conductor 135 has the conductor 136 having an insulator 137 therearound and has been inserted through the opening 160 of the collar compression ring 150 through the gripping collar 166 and into the bore 176 of the housing 151.
  • the conductor 135 is pushed onto the electrically conductive pointed prong 177 extending axially into the bore 176 to make electrical contact with the conductor 136 without having to trim the insulation 137 from the conductor.
  • the gripping collar 166 is received in a recessed area 175 of the housing 151 .
  • the opening 160 in the compression ring 158 is of a larger diameter so as to engage the sides and not the end of the fingers 164 and the fingers 164 of the gripping collar 166 are laying adjacent the electrical conductor 135 until the compression ring 150 is tightened against the sides to drive the fingers 164 against the insulation 137 of the conductor 135 .
  • the fingers 164 thereby grip the conductor 135 without penetrating the insulation 137 .
  • the gripping collar 166 is not used to make or enhance an electrical connection, it can be formed of any material desired, either electrically conductive or nonconductive, and can be made of a polymer as well as a conductive metal without departing from the spirit and scope of the invention.
  • Collar 166 would normally be made from a single flat piece of material which is stamped to form the opening 175 therethrough while shaping and driving the fingers 164, as shown in Figure 16. However, it should be clear that a polymer gripping member can be formed in a plastic mold but in either case, the gripping collar 166 can be formed in a one step operation.
  • the method of making an electrical connector having a gripping collar for gripping an electrical conductor to the electrical connector in accordance with Figure 11 through 14 or Figures 15 through 18 includes the step of selecting an electrical connector having a housing having one or more bores therein and a housing cap having an aperture therethrough sized for an electrical conductor to pass therethrough and then forming an electrical conductor gripping collar for a single electrical conductor or for a plurality of electrical conductors from a generally flat piece of material having one or more openings therein and a plurality of gripping fingers extending from the edge of each opening and formed from a generally flat piece of material.
  • Each of the gripping fingers are formed with a gripping tip portion shaped to grip the electrical conductor, either through penetration or non-penetration into the electrical conductor insulation, for holding the electrical conductor to an electrical connector.
  • the electrical conductor gripping collar is positioned between electrical conductor housing and housing cap and may have a compressed collar member positioned between the cap and the gripping collar in the case of a gripping collar with a plurality of openings therethrough for a plurality of conductors.
  • the single or multiple conductors are threaded through the housing cap and through the gripping collar and into a bore of the electrical connector housing and onto an electrical connecting prong mounted in the bore.
  • the housing cap is then tightened onto the housing to drive the gripping collar gripping fingers onto the electrical conductor inserted therethrough.
  • a collar compressing member can be inserted between the connector housing cap and the connector for compressing a plurality of gripping fingers onto a plurality of conductors inserted through a single conductor gripping collar.
  • an electrical connector 210 having a connector body 211 with a battery terminal connecting portion 212 with an opening 213 which slips over the post of a battery terminal and allows the connector arm portions 214 to be pressed together to attach the body 211 to a battery terminal post.
  • the terminal connector body 211 is generally made of an electrically conductive material, such as lead, and the body 211 has a bore 215 with internal threads 216 and a conductive prong 217 attached to or integral with the body 211 and extending axially into the bore 215 .
  • the terminal connector of Figure 19 has a locking end cap 218 with external threads 220 and having an opening 221 sized to receive a battery cable 222 therethrough.
  • the cable 222 may be without or with an insulated cover 223 over an electrical cable conductor 224 , as illustrated.
  • a compression collar 225 has a plurality of tapered gripping fingers 226 and is sized to permit the cable 222 to pass therethrough.
  • the cable 222 is inserted through the cap 218 , through the gripping collar 225 , and into the bore 215 where it is driven upon the electrical conductive prongs 217 .
  • the cap 218 has a tapered internal surface 227 which drives against the tapered gripping fingers 226 of the compression collar 225 as the cap 218 is threaded onto the threads 216 of the body 211 .
  • This connector makes for a rapid connection of a battery cable to a battery terminal connector and allows for the rapid exchange of the terminal connector should the terminal connector become corroded.
  • a cable connector 230 for connecting two cables together end-to-end and includes a center cable body 231 having external threads 232 and 233 thereon and an electrically conductive prong 234 on one end of an electrically conductive prong 235 on the other end thereof.
  • a pair of gripping collars 236 and 237 each has a plurality of gripping fingers 238 having pointed tips 240 for driving into the insulation on a piece of cable 241 or 242 placed through the gripping terminals 236 and 237 .
  • the cutting edges 240 will cut through the insulation on the cables 241 and 242 to grip the electrical conductor inside the insulation as well as hold the cable to the central body portion 231 .
  • Locking caps 243 and 244 each have internal threads 245 which can be slid over the cable 241 and 242.
  • Cable 241 can be passed through the gripping collar 236 and pushed against the conductive prong 234 to make for an electrically conductive connection.
  • the fingers 238 can then be compressed to compress the cutting edges 240 into the cable 241 .
  • the cap 243 has its threads 245 attached to the threads 232 to lock one end of the cable 241 to the connector body 231 .
  • the cable 242 is passed through the locking cap 244 , through the gripping collar 237 and driven onto the electrical conductive prong 235 .
  • the collar 237 can then be clamped onto the cable 242 and the cap 244 threadedly attached to the body 231 to connect two electrical conductive cables together.
  • a battery cable 250 has terminals on both ends.
  • the terminal connector 251 at the one end of the cable 250 is for attaching to a battery terminal post and the electrical connector 252 on the other end of the cable 250 is used for attaching grounding cable to the automotive chassis or to an electrical conductor in the electrical system of a car.
  • the battery cable 250 has an insulation 254 and an electrical conductor 255 therein.
  • the electrical connector 252 may be made of an electrical conductive material having a body 256 with an aperture 257 therethrough for attaching to the chassis of an automobile of the like.
  • An internal bore 258 has internal threads 260 therein and an electrically conductive prong 261 protruding axially into the bore 258.
  • a cable locking cap 262 has external threads 263 which mate with the internal threads 260 of the body portion 256 .
  • a gripping collar 264 has a plurality of angled gripping fingers 265 and has a generally cylindrical body 266 extending through the bore 267 and passing through the cap 262 .
  • a flanged area of 268 holds the gripping collar 264 along one end 270 of the cap 262 while a flared flange 271 extends over the edge 272 of the cap 262. Holding the gripping collar 264 to the cap 262 in this manner allows the gripping collar to rotate within the cap 262 within the bore 267.
  • the cable 253 is inserted through the gripping collar 264 in cap 262 and is impaled on the prong 261 .
  • the cap 262 is then threadedly connected with the body 256 .
  • the battery terminal connector 251 has a battery terminal opening 273 and has a bolt 274 and a nut 275 for drawing the arms 276 together in the same manner as a conventional battery terminal.
  • a cable connector 280 for connecting to the end of an electrically conductive cable 281 includes a connector body 282 having an attaching aperture 283 and external threads 284.
  • the body 282 also includes a plurality of gripping fingers 285 attached thereto and extending from one end thereof which defines a cylindrical cavity 287 surrounding an electrically conductive prong 286 extends therefrom into a bore 287 .
  • a locking cap 288 has internal threads which mate with the threads 284 and has a bore 290 extending therethrough.
  • the cap 288 also has a wrench gripping surface 291 thereon.
  • the cable 281 is passed through the bore 290 within the cap 288 and pass through the gripping fingers 285 and into the cylindrical cavity 287 where it is impaled on the conductive prong 286 . Tightening the cap 288 onto the threads 284 of the body 282 then compresses the fingers 285 onto the cable 281 passing therethrough to grip the cable 281 and hold it to the terminal body 282 while providing an electrical contact between the prong 286 and the cable 281.
  • the cable 281 may have outer insulation 292 with an internal electrically conductive cable 293 or can be bare cable 293 as desired.
  • an electrical connector and a method of attaching an electrical conductor to an electrical connector have been provided which allow one or more conductors to be attached to an electrical connector in a simplified and rapid manner.
  • an electrical connector has been provided which is especially adapted for attaching a battery cable to a battery cable terminal connector and which advantageously allows the cable to be connected and disconnected for replacement thereof as desired and which allows for the rapid assemble of a battery cable to any length desired without having to premake the cables in a wide variety of lengths.

Claims (26)

  1. Elektrischer Stecker, umfassend:
    ein Gehäuse (11, 41, 63), das eine Bohrung (13, 44, 74) darin und in der Bohrung einen leitfähigen Stift (35, 71, 73) aufweist;
    einen Kragen (14, 45, 64) zum Greifen elektrischer Leiter, der in der Bohrung (13, 44, 74) gestützt wird, dessen eines Ende sich aus der Bohrung (13, 44, 74) auswärts erstreckt und der dazu bemessen ist, einen elektrischen Leiter (30, 56, 61, 62) hindurchgeführt aufzunehmen;
    einen Abschlußring (24, 48, 77), der eine Öffnung (25, 50), die zur Aufnahme eines elektrischen Leiters (30, 56, 51, 62) bemessen ist, und eine Oberfläche zum Eingriff mit dem sich auswärts erstreckenden Ende des Kragens (14, 45, 64) zum Greifen elektrischer Leiter aufweist; und
    Mittel zum Befestigen des Abschlußrings (24, 48, 77) an dem Gehäuse (11, 41, 63);
    wobei der Kragen (14, 45, 64) zum Greifen elektrischer Leiter so bemessen und angeordnet ist, daß, wenn der elektrische Leiter (30, 56, 61, 62) durch die Öffnung (25, 50) des Abschlußrings (24, 48, 77) und durch den Kragen (14, 45, 64) zum Greifen elektrischer Leiter hindurchgeführt und auf den Stift (35, 71, 73) in dem Gehäuse (11, 41, 63) aufgespießt ist, eine erzwungene Bewegung des Abschlußrings (24, 48, 77) entlang dem elektrischen Leiter (30, 56, 61, 62) den Kragen (14, 45, 64) zum Greifen elektrischer Leiter weiter axial in die Bohrung (13, 44, 74) und in ein Greifverhältnis mit der Oberfläche des elektrischen Leiters (30, 56, 61, 62) zwingt.
  2. Elektrischer Stecker nach Anspruch 1, wobei:
    das Gehäuse (11, 41, 63) mehrere der Bohrungen (13, 44, 74) darin und entsprechend mehrere leitfähige Stifte (33, 71, 73) mit wenigstens einem Stift (35, 71, 73) in jeder Bohrung (13, 44, 74) aufweist;
    wenigstens einer der entsprechend mehreren der Kragen (14, 45, 64) zum Greifen elektrischer Leiter in jeder Bohrung (13, 44, 73) gestützt, ist, wobei ein Ende sich auswärts aus der Bohrung (13, 44, 73) erstreckt und dazu bemessen ist, einen von mehreren der elektrischen Leiter (30, 56, 61, 62) hindurchgeführt aufzunehmen;
    der Abschlußring (24, 48, 77) entsprechend mehrere der Öffnungen (25, 50) aufweist, die mit den Bohrungen (13, 44, 74) fluchtend angeordnet und dazu bemessen sind, die elektrischen Leiter (30, 56, 61, 62) aufzunehmen, und die eine Oberfläche zum Eingriff mit den sich auswärts erstreckenden Enden der Kragen (14, 45, 64) zum Greifen elektrischer Leiter aufweisen,
    wobei eine erzwungene Bewegung des Abschlußrings (24, 48, 77) entlang der elektrischen Leiter (30, 56, 61, 62) die mehreren Kragen (14, 45, 64) zum Greifen elektrischer Leiter weiter in die Bohrungen (13, 44, 74) und in ein Greifverhältnis mit der Oberfläche der entsprechenden elektrischen Leiter (30, 56, 61, 62) zwingt.
  3. Elektrischer Stecker nach Anspruch 1 oder 2, wobei das sich erstreckende Ende des/der Kragen(s) (14, 45, 64) zum Greifen elektrischer Leiter aufgespalten und ausgebuchtet ist, und wobei die ausgebuchteten Enden (15, 46, 66) des/der Kragen(s) (14, 45, 64) zum Greifen elektrischer Leiter sich einwärts erstreckende Ränder (16, 47, 67) an den Enden desselben/derselben zum Eingriff mit der Oberfläche eines elektrischen Leiter(s) (30, 56, 61, 62), der darin angeordnet ist, aufweisen.
  4. Elektrischer Stecker nach Anspruch 3, wobei das Befestigungsmittel ein vergrößerter Bohrungsabschnitt (83) der Bohrung (74) ist, der dazu bemessen ist, eine Preßpassung mit der Außenfläche des Abschlußrings (77) zu bilden, wobei bei erzwungener Bewegung des Abschlußrings (77) entlang eines elektrischen Leiters (61, 62) der Kragen (64) zum Greifen elektrischer Leiter weiter in die Bohrung (74) des Gehäuses (63) zurückgetrieben wird und der Abschlußring (77) in dem vergrößerten Bohrungsabschnitt (83) der Bohrung (74) zu Sitzen kommt.
  5. Elektrischer Stecker nach Anspruch 3, wobei das Befestigungsmittel eine zylindrische Seitenwand (52) ist, die den Abschlußring (48) umschließt und die über die Außenfläche des Gehäuses (41) passt, und wobei die Innenfläche der Seitenwand und die Außenfläche des Gehäuses mit zusammenwirkenden Gewinden versehen sind, wobei, wenn die Seitenwand (52) anfangs auf das Gehäuse (41) aufgedreht wird und wenn (ein) elektrische(r) Leiter (56) durch die Öffnung (en) (50) des Abschlußrings (48) und durch den/die Kragen (45) zum Greifen elektrischer Leiter hindurch eingeführt und auf den/die Stift(e) (35) in dem Gehäuse (41) aufgespießt ist/sind, eine weiter drehende Bewegung der Seitenwand entlang der Außenfläche des Gehäuses den Abschlußring (48) gegen den/die Kragen (45) zum Greifen elektrischer Leiter bewegt und den Kragen (45) zum Greifen elektrischer Leiter in die Bohrung (en) (45) und in ein Greifverhältnis zu der Oberfläche der/des elektrischen Leiter(s) (56) zwingt.
  6. Elektrischer Stecker nach Anspruch 5, wobei der Abschlußring (48) und die Seitenwand (52) voneinander getrennt sind.
  7. Elektrischer Stecker nach Anspruch 3, wobei das Befestigungsmittel eine zylindrische Seitenwand (23) ist, die den Abschlußring (24) umschließt und die über die Außenfläche des Gehäuses (11) passt, und wobei die Innenfläche der Seitenwand einen hervorstehenden Rand (27, 28) beinhaltet und die Außenfläche des Gehäuses eine Nut (17, 18) beinhaltet, die zu dem hervorstehenden Rand (27, 28) passt, wobei die Seitenwand (23) anfangs auf der Außenwand des Gehäuses (11) angeordnet ist, und, wenn ein elektrischer Leiter (30) durch die Öffnung(en) (25) des Abschlußrings (24) und durch den/die Kragen (14) zum Greifen elektrischer Leiter hindurch eingeführt und auf den/die Stift(e) (35) in dem Gehäuse (11) aufgespießt ist, eine weitere erzwungene Bewegung der Seitenwand (23) entlang der Außenfläche des Gehäuses (11) den Abschlußring (24) gegen den/die Kragen (14) zum Greifen elektrischer Leiter bewegt und den/die Kragen (14) zum Greifen elektrischer Leiter in die Bohrung(en) 13 und in ein Greifverhältnis zu der Oberfläche des/der elektrischen Leiter(s) (30) zwingt und den hervorstehenden Rand (27, 28) der Seitenwand (23) in Sitzstellung in der Nut (17, 18) in der Außenfläche des Gehäuses (11) zwingt.
  8. Elektrischer Leiter nach Anspruch 7, wobei der Abschlußring (24) und die Seitenwand (23) einstückig ausgebildet sind und der Abschlußring (24) eine Rückwand zu der Seitenwand (23) bildet.
  9. Elektrischer Stecker nach Anspruch 1, wobei
    das Gehäuse (11) mehrere Bohrungen (13) darin und einen Zweipunktbefestigungsabschnitt (17, 18) darauf aufweist;
    wobei der elektrische Stecker ferner mehrere der Leitergreifkragen (14) umfaßt, wobei jeder der Greifkragen (14) benachbart zu einer der Gehäusebohrungen (13) gestützt ist; und
    eine Gehäusekappe (22), die den Abschlußring (24) und das Befestigungsmittel beinhaltet und die mehrere der Öffnungen (25) darin aufweist, die dazu bemessen sind, die mehreren Leiter (30) durch sie hindurch zu fädeln und den Weg der mehreren Leitergreifkragen (14) durch sie hindurch zu blockieren, wobei die Gehäusekappe (22) einen Befestigungsabschnitt (27, 28) darauf aufweist, der dazu eingerichtet ist, auf den Gehäusezweipunktfeststellungsabschnitt (17, 18) zum Anschluß der Gehäusekappe (22) zu passen, um gegen die mehreren Leitergreifkragen (14) zu drücken, wenn der Gehäusekappenbefestigungsabschnitt (27, 28) zwischen Positionen der Gehäusezweipunktbefestigungsabschnitte (17, 18) bewegt wird, wobei mehrere Leiter (30) gleichzeitig an einen elektrischen Stecker angeschlossen werden können.
  10. Elektrischer Stecker nach Anspruch 1, wobei
    der Kragen (14, 45, 64) zum Greifen elektrischer Leiter mehrere Greiffinger (15, 64, 66) aufweist, die sich von demselben erstrecken und die in der Steckergehäusebohrung (13, 44, 74) angebracht sind, und wobei die mehreren Greiffinger sich aus derselben erstrecken;
    der Abschlußring (24, 48, 77) die Öffnung (25, 50) dadurch aufweist, die dazu bemessen ist, den elektrischen Leiter (30, 56, 61, 62) durch sie hindurch zu fädeln, während der Weg des Kragens (14, 45, 64) zum Greifen elektrischer Leiter durch sie hindurch versperrt ist;
    der elektrische Leiter (30, 56, 61, 62) durch die Abschlußringöffnung (25, 50) hindurch und durch den Kragen (14, 45, 64) zum Greifen elektrischer Leiter und in die Gehäusebohrung und auf den Leiterstift (35, 71, 73) gefädelt ist.
  11. Elektrischer Stecker nach Anspruch 10, wobei das Gehäuse (11, 41) mehrere Bohrungen (13, 44) darin aufweist, und wobei der Abschlußring (24, 48) mehrere Öffnungen (25, 50) darin aufweist, die fluchtend mit den mehreren Gehäusebohrungen (13, 44) angeordnet sind, wobei mehrere elektrische Leiter (30, 56) gleichzeitig mit dem elektrischen Stecker gekoppelt werden können, indem der Abschlußring (24, 48) gegen mehrere Greifkragen (14, 45) bewegt wird, die mehrere elektrische Leiter (30, 56) durch sie hindurch gefädelt aufweisen.
  12. Elektrischer Stecker nach Anspruch 11, wobei jeder Kragen (14, 45) zum Greifen elektrischer Leiter mehrere Greiffinger (15, 46) beinhaltet, die sich von ihm ausgehend erstrecken, wobei jeder Greifkragenfinger einen Greifrandabschnitt (16, 47) darauf aufweist.
  13. Elektrischer Stecker nach Anspruch 12, wobei jeder Kragen (14) zum Greifen elektrischer Leiter einen leitfähigen Greifkragen aufweist, der darauf einen leitfähigen zugespitzten Greifrand (16) zum Durchdringen einer Isolationsbeschichtung elektrischer Leiter aufweist.
  14. Elektrischer Stecker nach Anspruch 10, wobei das Steckergehäuse (11) zwei beabstandete Nuten (17, 18) aufweist, die darauf ausgebildet sind, um einen Zweipunktgehäusebefestigungsabschnitt zu bilden.
  15. Elektrischer Stecker nach Anspruch 14, wobei das Mittel zum Befestigen mehrere Finger (26) darauf aufweist, wobei jeder Finger (26) zwei beabstandete erhöhte Bereiche (27, 28) aufweist, die dazu bemessen und angeordnet sind, in die zwei beabstandeten Nuten (17, 18) in dem Gehäuse (11) einzurasten.
  16. Elektrischer Stecker nach Anspruch 10, wobei das Befestigungsmittel einen offenen Abschnitt (53) aufweist, um mehrere Leiter (56) durch ihn hindurchzuführen, und der den Abschlußring (48) niederklemmt, um sämtliche der elektrischen Leiter (56) an dem Steckergehäuse (41) auf einmal zu befestigen.
  17. Elektrischer Stecker nach Anspruch 16, wobei das Befestigungsmittel Gewinde (54) darauf aufweist, um es durch Schraubdrehen an dem Gehäuse (41) zu befestigen.
  18. Verfahren zum Verbinden eines elektrischen Leiters mit einem elektrischen Stecker, umfassend die Schritte:
    Wählen eines Steckergehäuses (11, 41, 63), das eine Bohrung (13, 44, 74) darin aufweist und das eine elektrisch leitfähige Zinke (35, 41, 73) aufweist, die in der Bohrung (13, 44, 74) angebracht ist;
    Wählen eines Kragens (14, 45, 64) zum Greifen elektrischer Leiter, der mehrere Greiffinger (15, 46, 66) aufweist, die sich von ihm erstrecken;
    teilweises Befestigen des gewählten Greifkragens (14, 45, 64) in der Gehäusebohrung (13, 44, 74) mit den mehreren Greiffingern (15, 46, 66), die sich von dem Gehäuse (11, 41, 63) erstrecken;
    Wählen eines Kragentreibelements (24, 48, 77), das eine Öffnung (25, 50) darin aufweist, die dazu bemessen ist, einen elektrischen Leiter (30, 56, 61, 62) durch sie hindurch zu fädeln und den Weg des Kragens (14, 45, 64) zum Greifen elektrischer Leiter durch sie hindurch zu blockieren;
    Fädeln eines elektrischen Leiters (30, 56, 61, 62) durch die Kragentreibelementöffnung (25, 50) und durch den Kragen (14, 45, 64) zum Greifen elektrischer Leiter und in die Gehäusebohrung (13, 44, 74) und auf die elektrisch leitfähigen Zinke (35, 71, 73); und
    Treiben des Kragentreibelements (24, 48, 77) gegen den Kragen (14, 45, 64) zum Greifen elektrischer Leiter, um den Greifkragen (14, 45, 64) axial in die Bohrung (13, 44, 74) des Steckergehäuses (11, 41, 63) und die Greiffinger (15, 46, 66) desselben auf den elektrischen Leiter zu treiben.
  19. Verfahren nach Anspruch 18, ferner umfassend den Schritt des Quetschens der Greiffinger (15, 46, 66) des Greifkragens auf den elektrischen Leiter (30, 56, 61, 62), vor dem Schritt des Treibens des Kragentreibelements (24, 48, 77) gegen den Kragen (14, 45, 64) zum Greifen elektrischer Leiter.
  20. Verfahren nach Anspruch 18, wobei der Schritt des Wählens des Gehäuses (11, 41) beinhaltet: Wählen eines Gehäuses (11, 41), das mehrere Bohrungen (13, 44) darin aufweist, und wobei der Schritt des Wählens eines Kragentreibelements (24, 48) beinhaltet: Wählen eines Treibelements, das entsprechend mehrere Öffnungen (25, 50) darin aufweist, die so angeordnet sind, daß sie mit den mehreren Gehäusebohrungen (13, 44) fluchten, wobei entsprechend mehrere Kragen (14, 45) zum Greifen elektrischer Leiter in den mehreren Bohrungen (13, 44) in dem Gehäuse (11, 41) angeordnet sind, so daß mehrere elektrische Leiter (30, 56) mit dem elektrischen Stecker auf einmal gekoppelt werden können, indem das Kragentreibelement (24, 48) gegen mehrere Greifkragen (14, 45) getrieben wird, die mehrere elektrische Leiter (30, 56) durch sie hindurch gefädelt aufweisen.
  21. Verfahren nach Anspruch 20, wobei der Schritt des Wählens eines Kragens (14, 45) zum Greifen elektrischer Leiter beinhaltet: Wählen eines Greifkragens (14, 45), der mehrere Greiffinger (15, 46) aufweist, die sich von demselben erstrecken, wobei jeder Greiffinger (15, 46) einen darauf ausgebildeten Greifrand (16, 47) aufweist.
  22. Verfahren nach Anspruch 21, wobei der Schritt des Wählens eines Kragens (14) zum Greifen elektrischer Leiter beinhaltet: Wählen eines leitfähigen Greifkragens (14), der einen leitfähigen zugespitzten Greifrand (16) darauf zum Durchdringen einer Isolationsbeschichtung für elektrische Leiter aufweist.
  23. Verfahren nach Anspruch 20, ferner umfassend den Schritt des Wählens einer Gehäusekappe (22, 52), die dazu geöffnet ist, mehrere Leiter (30, 56) durch sie hindurchzuführen und das Kragentreibelement (24, 48) an dem Steckergehäuse zu befestigen.
  24. Verfahren nach Anspruch 23, wobei der Schritt des Wählens eines Steckergehäuses (11) beinhaltet: Wählen eines Steckergehäuses (11), das zwei beabstandete Nuten (17, 18) aufweist, die darin ausgebildet sind, um einen Zweipunktgehäusebefestigungsabschnitt zu bilden, und wobei der Schritt des Wählens einer Gehäusekappe (22) beinhaltet: Wählen einer Gehäusekappe (22), die mehrere Finger (26) darauf aufweist, wobei jeder Finger (26) zwei beabstandete, vorspringende Ränder (27, 28) aufweist, die dazu bemessen und angeordnet sind, in je zwei beabstandete Nuten (17, 18) in dem Gehäuse (11) einzurasten.
  25. Verfahren nach Anspruch 23, wobei der Schritt des Wählens eines Steckergehäuses (41) beinhaltet: Wählen eines Steckergehäuses (41), das eine mit Gewinde versehene Außenfläche aufweist, und bei dem der Schritt des Wählens einer Gehäusekappe (52) beinhaltet: Wählen einer Gehäusekappe(52), die eine entsprechende mit Gewinde versehene Innenfläche aufweist, um die Gehäusekappe (52) an dem Gehäuse (41) durch Schraubdrehen zu befestigen.
  26. Verfahren nach Anspruch 25, beinhaltend den Schritt des Wählens einer mit Gewinde versehenen Gehäusekappe und Befestigen durch Schraubdrehen der mit Gewinde versehenen Gehäusekappe (52) an dem Gehäuse (41).
EP00920210A 1999-04-13 2000-04-07 Elektrischer steckverbinder und methode Expired - Lifetime EP1171931B1 (de)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US289905 1999-04-13
US09/289,905 US6126491A (en) 1996-05-14 1999-04-13 Electrical connector apparatus and method
US09/303,197 US6244892B1 (en) 1996-05-14 1999-04-30 Electrical connector apparatus and method
US303197 1999-04-30
US09/330,381 US6848934B1 (en) 1996-05-14 1999-06-11 Battery terminal
US330381 1999-06-11
PCT/US2000/009280 WO2000062374A1 (en) 1999-04-13 2000-04-07 Electrical connector apparatus and method

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DE20221895U1 (de) * 2002-07-05 2009-03-19 Amphenol-Tuchel Electronics Gmbh Kontakt mit Federklemme
DE10257088B4 (de) * 2002-12-05 2011-07-07 Amphenol-Tuchel Electronics GmbH, 74080 Kontakt mit einem Kontaktteil und einem Leiterbefestigungsteil sowie Klemmsanschluss
DE10323616A1 (de) * 2003-01-23 2004-08-12 Hirschmann Electronics Gmbh & Co. Kg Schnellanschließbare Steckverbindung in Spannzangentechnik
DE102006029075B4 (de) * 2005-07-05 2016-12-22 Harting Electric Gmbh & Co. Kg Anschlusseinrichtung für Litzenleiter
DE102010011370B3 (de) * 2010-03-12 2011-04-21 Phoenix Contact Gmbh & Co. Kg Kabelsteckverbinder, insbesondere mehrpoliger Kabelsteckverbinder

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US5573423A (en) * 1995-01-18 1996-11-12 Lin; Kuang-Ts'an Innovative distribution cable mounting device
US5704814A (en) * 1996-05-14 1998-01-06 Centerpin Technology, Inc. Electrical connector
US5775934A (en) * 1996-05-15 1998-07-07 Centerpin Technology, Inc. Coaxial cable connector

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AU4078800A (en) 2000-11-14
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EP1171931A1 (de) 2002-01-16

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