US3251022A - Electrical connector clip - Google Patents

Electrical connector clip Download PDF

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Publication number
US3251022A
US3251022A US303440A US30344063A US3251022A US 3251022 A US3251022 A US 3251022A US 303440 A US303440 A US 303440A US 30344063 A US30344063 A US 30344063A US 3251022 A US3251022 A US 3251022A
Authority
US
United States
Prior art keywords
clip
post
wire
web
electrical connector
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
US303440A
Other languages
English (en)
Inventor
Kemper M Hammell
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to US303440A priority Critical patent/US3251022A/en
Priority to NL6408837A priority patent/NL6408837A/xx
Priority to NO154239A priority patent/NO115259B/no
Priority to DE19641465099 priority patent/DE1465099A1/de
Priority to FR984730A priority patent/FR86287E/fr
Priority to CH1047864A priority patent/CH427942A/fr
Priority to BE651681A priority patent/BE651681A/xx
Priority to GB32793/64A priority patent/GB1007239A/en
Priority to BE651887A priority patent/BE651887A/xx
Priority to AT704664A priority patent/AT247439B/de
Priority to ES0303269A priority patent/ES303269A2/es
Priority to FR1648A priority patent/FR87753E/fr
Priority to FR14260A priority patent/FR87826E/fr
Application granted granted Critical
Publication of US3251022A publication Critical patent/US3251022A/en
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
    • H01R4/26—Connections in which at least one of the connecting parts has projections which bite into or engage the other connecting part in order to improve the contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
    • 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
    • H01R4/2491—Connections using contact members penetrating or cutting insulation or cable strands the contact members penetrating the insulation being actuated by conductive cams or wedges
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/027—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for connecting conductors by clips

Definitions

  • An object of this invention is to provide an'inexpensive and simple connector clip which is particularly effective and reliable in electrically connecting stranded wire to a terminal post.
  • Another object is to provide a connector clip which fits with great precision on a terminal post regardless of minor dimensional variations.
  • a further object is to provide a clip which gives a connection highly immune to damage to itself, to another clip connection on the same post, or to wires in the vicinity of .the post.
  • the present invention provides a connector clip which effectively bunches the strands of a stranded Wire and insures consistently perfect connections between wire and post.
  • each clip is, in actual practice, driven at high speed (faster than the eye can follow) onto the post.
  • a clip in the course of sliding onto the post is moving so fast that it can slash through the insulation of a wire which happens to lie near or against the base of the post.
  • the second may slam into it and push it forward.
  • the present invention provides a clip having a configuration which minimizes the chance of damage to itself, to a previous clip on the post, or to a nearby connecting wire, when a connection is being made.
  • the top web of a channel-shaped clip is formed with a concavely rounded center portion extending along the axis of the clip.
  • This rounded part of the web serves to bunch or focus the strands of a stranded Wire into a substantially solid whole and thereby insure that a proper connection is made between wire and post.
  • this clip is able consistently to deform the wire a predetermined amount and to hold it against the post with the designed holding force.
  • connections made with this new clip and stranded wire are uniformly as good and reliable as connections made with a solid wire and a clip having a fiat web.
  • this new clip is able to handle solid wire as easily and as well as it does stranded wire.
  • the front of the clip is provided with extended side walls which project beyond the main. body of the clip and serve as bumpers when the clip is driven against the rear of another clip on a a post. This minimizes the danger of one clip damaging another.
  • the side walls of the clip near the front and rear edges have shallow dimples which extend inward and which slide lightly along the side faces of the post. These four dimplesprevent the clip from skewing as it moves along the post and give very accurate seating of the clip on the post.
  • the front part of the top Web of the clip is formed into two specially shaped, struck-up tabs which engage the insulation on a wire just above the point where the bare end of the wire passes beneath the web of the clip and is ironed against the post.
  • These insulation tabs are able to accommodate a wide range of insulation thicknesses without affecting the seating of the clip on the post. In previous clips when the insulation was too thick, it lifted the front end of the clip from the post and gave an imperfect connection.
  • the shape and position of the tabs on this new clip are further designed to prevent their cutting into the insulation of the wire being held by the clip or of other wires in the vicinity.
  • FIGURE 1 is a perspective view of an electrical terminal post with two clips and their respective wires stacked on the post,
  • FIGURE 2 is an enlarged perspective view of two clips embodying the invention and shown here in end-toend continuous strip relation,
  • FIGURE 3 is an enlarged end ing a wire to a post
  • SIGURE 4 is a top view of the clip in FIGURE 3, an
  • FIGURE 5 is a side view of the clip and post.
  • the multiple electrical connection 10 shown in FIG- URE 1 includes a long, thin metal post- 12 which .projects from a base panel 14. Posts such as this one are standard in the industry. Mounted on the post is a first connector clip or terminal clip 16 which has been slid axially from the top of the post toward the base by means of a tool such as disclosed in the above-identified patent application. In the course of being applied to the post, the clip picks up the end'of an insulated wire 18, the end of which is then stripped of insulation, drawn under the web of the clip and then ironed against the post. When only a single clip is put on the post, the final position of the clip is normally somewhat higher relative to panel 14 than is shown in FIGURE 1.
  • Both clips 16 and 20 are of course identical and were formed from a continuous strip of metal, such as brass, by means of a progressive die of suitable'configuration. Clips 16 and 20 in continuous end-to-end relation are shown in FIGURE 2. Clip 16 was previously joined to a clip ahead of it (not shown), whereas the rear of clip 16 is shown still joined at points 26 and 28 to the front part of clip 20. Clip 16 was sheared or torn from clip 20 at these points in the course of being applied to post 12, and similarly clip 20 was separated from the clip behind it.
  • clip 16 (and clip 20) is generally channel shaped.
  • the clip has a top web 30, two side walls 32 and 34, and two curled-over legs 36 and 38.
  • the latter resiliently engage the underside of post 12, and except for the light contact at the dimpled areas of the side walls are the only portions of the clip which engages the post.
  • the spring action of these legs together with a controlled deformation of web 30 permit the clip to be used with a wide range of wire sizes.
  • Web 30 as seen in FIGURE 3 is convexly bowed in its center part 40 for the full length of the web, as seen in FIGURE 4, this convexly bowed center forming an axially extending trough on the Web.
  • the radius of curvature of bowed part 40 is designed so that the inner face of the web will bunch the individual strands of a stranded wire into a packed bundle beneath the clip and prevent splaying.
  • stranded wire behaves as though it were solid, and consistently perfect connections are assured.
  • a single clip is able to handle a range of wire sizes.
  • a clip having an outside width of 0.092 inch, a length of 0.212 inch, and other dimensions substantially to the scale shown in FIGURES 3, 4 and 5, is able to handle A.W.G. Nos. 22, 24 and 26 stranded, and Nos. 20, 22 and 24 solid wires.
  • the radius of curvature of bowed portion 40 would be suitably reduced.
  • side walls 32 and 34 haveforward noses 42 and 44 which project well beyond the main body of the clip and serve as bumpers when a second clip, such as clip 20 in FIGURE 1 slams against clip 16.
  • These side walls are dimpled in areas 50, 51, 52 and 53, at their front and rear edges to provide light engagement with the sides of a post (see FIGURE 3) and thereby insure that the clip is properly aligned on the post.
  • the front, top edge and bottom edge of each nose are rounded and tapered as shown in FIGURE so that the clip will not cut through the insulation of a wire perchance lying in the path of the clip, but will cam the wire out of the way.
  • the inner face of web 30, as seen in FIGURE 5 is serrated along transverse lines 55.
  • top web 30 has a pair of struck-up tabs 60 and 62 which, as seen in FIGURE 3, provide a somewhat bell-shaped mouth 64 for engaging the insulation of a wire.
  • the very tops of these tabs are curved slightly inward and their front corners are flared out at 66 and 68 respectively. The turning back of these sharp corners permits the wire held by the clip to be dressed either to one side of the clip or the other and further minimizes the danger of the clip cutting into other wires.
  • Behind tabs 60 and 62 is a tongue 70 which is bent up from the bowed part 40 of web 30.
  • This tongue provides a tapered entrance for a wire to extend back beneath the web and against the post.
  • On each side of tongue 70 are the small areas 72 and 74 which, as seen in FIGURE 5, are bent down to give, as seen in FIGURE 3, the sharp knife edges 76 and 78.
  • the latter when a clip is being applied to a post by a tool as described in the above-mentioned patent application, insure that the insulation on the end of the wire is thoroughly stripped off before the metal of the wire is drawn under the web of the clip. Thorough stripping of the wire is important here since otherwise the insullation material, such as plastic vinyl, may lodge between web 30 and the post and prevent proper deformation of the wire metal against the post.
  • FIGURES 3, 4 and 5 show the shape and various features of clip 16 substantially to scale.
  • a terminal clip for making clip-type electrical connections between a conductor and a terminal post said clip comprising a web portion and a pair of sidewalls, said sidewalls being reversely curled inwardly towards each otherand towards said web whereby, said clip is adapted to be telescopically moved onto said post, said web being outwardly bowed along substantially its entire length as viewed in transverse cross-section to form an axially extending trough on said web, said trough functioning to gather and bunch the strands of a stranded wire, while said clip is being moved onto a post and is dragging a wire onto a post, and said trough functioning to hold said strands against said post in a packed bundle after application of said clip to said post, said sidewalls extending axially beyond said web at corresponding ends to provide bumpers for engagement with a previously applied terminal clipv on a post, each of said sidewalls having at least two spaced-apart inwardly directed dimples to maintain said clip in coaxial relationship to

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Clamps And Clips (AREA)
  • Multi-Conductor Connections (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
US303440A 1962-02-05 1963-08-19 Electrical connector clip Expired - Lifetime US3251022A (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
US303440A US3251022A (en) 1963-08-19 1963-08-19 Electrical connector clip
NL6408837A NL6408837A (ko) 1963-08-19 1964-07-31
NO154239A NO115259B (ko) 1963-08-19 1964-07-31
DE19641465099 DE1465099A1 (de) 1963-08-19 1964-08-04 Auf einen elektrischen Anschlusszapfen aufschiebbare Verbindungshuelse
FR984730A FR86287E (fr) 1962-02-05 1964-08-10 Connecteurs électriques et procédés et appareils pour former une connexion électrique
BE651681A BE651681A (ko) 1963-08-19 1964-08-11
CH1047864A CH427942A (fr) 1962-02-05 1964-08-11 Procédé pour former une connexion électrique et connexion électrique résultant de ce procédé
GB32793/64A GB1007239A (en) 1963-08-19 1964-08-12 Improvements in electrical connectors
BE651887A BE651887A (ko) 1963-08-19 1964-08-14
AT704664A AT247439B (de) 1963-08-19 1964-08-14 Verfahren zur Herstellung einer elektrischen Verbindung zwischen einem blanken oder isolierten Leiter und einer Anschlußzunge mittels einer Klemme und Anschlußklemme zur Durchführung des Verfahrens
ES0303269A ES303269A2 (es) 1963-08-19 1964-08-18 Un dispositivo conectador electrico para hacer una conexion electrica entre un conductor y un terminal.
FR1648A FR87753E (fr) 1962-02-05 1965-01-12 Connecteurs électriques et procédés et appareils pour former une connexion électrique
FR14260A FR87826E (fr) 1962-02-05 1965-04-22 Connecteurs électriques et procédés et appareils pour former une connexion électrique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US303440A US3251022A (en) 1963-08-19 1963-08-19 Electrical connector clip

Publications (1)

Publication Number Publication Date
US3251022A true US3251022A (en) 1966-05-10

Family

ID=23172087

Family Applications (1)

Application Number Title Priority Date Filing Date
US303440A Expired - Lifetime US3251022A (en) 1962-02-05 1963-08-19 Electrical connector clip

Country Status (8)

Country Link
US (1) US3251022A (ko)
AT (1) AT247439B (ko)
BE (2) BE651681A (ko)
DE (1) DE1465099A1 (ko)
ES (1) ES303269A2 (ko)
GB (1) GB1007239A (ko)
NL (1) NL6408837A (ko)
NO (1) NO115259B (ko)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3350679A (en) * 1964-04-23 1967-10-31 Amp Inc Electrical connections
US3519982A (en) * 1968-11-06 1970-07-07 Gerome R White Jr Method and means of forming electrical connections with conductors
US3825884A (en) * 1973-01-22 1974-07-23 Rapid Sa Electrical connection clip
US3905671A (en) * 1973-03-07 1975-09-16 Siemens Ag Clamping connector
US3980378A (en) * 1974-06-24 1976-09-14 Siemens Aktiengesellschaft Clip connection
DE2633523A1 (de) * 1975-08-02 1977-02-10 Amp Inc Elektrische verbindereinheit
US5082461A (en) * 1989-10-30 1992-01-21 Amp Incorporated Wire to pin termination

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2134775A (en) * 1935-04-25 1938-11-01 Thomas & Betts Corp Wire connecter
US2279173A (en) * 1940-07-16 1942-04-07 Mccutcheon Raymond Electric plug
US2494137A (en) * 1945-08-21 1950-01-10 Electric Terminal Corp Method of attaching wire terminals
US2778097A (en) * 1950-03-24 1957-01-22 Aircraft Marine Prod Inc Strip of taper pin connectors
US2780794A (en) * 1953-07-15 1957-02-05 Int Standard Electric Corp Pressure connector
GB777677A (en) * 1954-12-16 1957-06-26 Amp Inc Improvements in terminal clips for detachable connectors
US2871551A (en) * 1955-10-19 1959-02-03 Malco Tool & Mfg Co Chain of combined terminal and support members for electrical elements
US2888662A (en) * 1954-03-04 1959-05-26 Amp Inc Electrical connector
US3040150A (en) * 1958-09-05 1962-06-19 Hamilton Watch Co Watch contact post
US3104927A (en) * 1960-11-25 1963-09-24 Ibm Electrical connector
US3110329A (en) * 1960-03-24 1963-11-12 Cie Ind Des Telephones Device for stripping a wiring conductor and fixing it on a connector
FR1345456A (fr) * 1963-01-25 1963-12-06 Bergey Ets Perfectionnement dans les connexions électriques amovibles
US3122604A (en) * 1958-11-12 1964-02-25 Steel City Electric Company Ground clip for electrical outlet and switch boxes

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2134775A (en) * 1935-04-25 1938-11-01 Thomas & Betts Corp Wire connecter
US2279173A (en) * 1940-07-16 1942-04-07 Mccutcheon Raymond Electric plug
US2494137A (en) * 1945-08-21 1950-01-10 Electric Terminal Corp Method of attaching wire terminals
US2778097A (en) * 1950-03-24 1957-01-22 Aircraft Marine Prod Inc Strip of taper pin connectors
US2780794A (en) * 1953-07-15 1957-02-05 Int Standard Electric Corp Pressure connector
US2888662A (en) * 1954-03-04 1959-05-26 Amp Inc Electrical connector
GB777677A (en) * 1954-12-16 1957-06-26 Amp Inc Improvements in terminal clips for detachable connectors
US2871551A (en) * 1955-10-19 1959-02-03 Malco Tool & Mfg Co Chain of combined terminal and support members for electrical elements
US3040150A (en) * 1958-09-05 1962-06-19 Hamilton Watch Co Watch contact post
US3122604A (en) * 1958-11-12 1964-02-25 Steel City Electric Company Ground clip for electrical outlet and switch boxes
US3110329A (en) * 1960-03-24 1963-11-12 Cie Ind Des Telephones Device for stripping a wiring conductor and fixing it on a connector
US3104927A (en) * 1960-11-25 1963-09-24 Ibm Electrical connector
FR1345456A (fr) * 1963-01-25 1963-12-06 Bergey Ets Perfectionnement dans les connexions électriques amovibles

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3350679A (en) * 1964-04-23 1967-10-31 Amp Inc Electrical connections
US3519982A (en) * 1968-11-06 1970-07-07 Gerome R White Jr Method and means of forming electrical connections with conductors
US3825884A (en) * 1973-01-22 1974-07-23 Rapid Sa Electrical connection clip
US3905671A (en) * 1973-03-07 1975-09-16 Siemens Ag Clamping connector
US3980378A (en) * 1974-06-24 1976-09-14 Siemens Aktiengesellschaft Clip connection
DE2633523A1 (de) * 1975-08-02 1977-02-10 Amp Inc Elektrische verbindereinheit
US5082461A (en) * 1989-10-30 1992-01-21 Amp Incorporated Wire to pin termination

Also Published As

Publication number Publication date
GB1007239A (en) 1965-10-13
NL6408837A (ko) 1965-04-26
BE651681A (ko) 1964-12-01
BE651887A (ko) 1964-12-01
NO115259B (ko) 1968-09-09
AT247439B (de) 1966-06-10
DE1465099A1 (de) 1968-12-05
ES303269A2 (es) 1965-06-01

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