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April 30, 1963 D. .1. CRIMMINS 3,088,086 CONNECTOR FOR CONDUCTORS Filed Sept. 22, 1960 3 Sheets-Sheet 1 IN VEN TOR. ~72 J. CA In M nvr ylémygmmz ATTORNEY April 30, 1963 3,088,086 D. J. CRIMMINS CONNECTOR FOR CONDUCTORS Filed Sept. 22, 1960 5 Sheets-Sheet 2 INVENTOR. ,2 4 (/1 m1 M uvs' BY / ATTORNEY April 30, 1963 ' D. J. CRIMMINS 3,088,036 CONNECTOR FOR CONDUCTORS Filed Sept. 22, 1960 5 Sheets-Sheet 3 2° I F I G. 8 40,11 um‘ MN“ "MW MN] //////// l2 “ INVENTOR. 17¢ (41m Mnvs BY g ATTORNEY United States Patent 0 ” 1 CC 3,088,086 Patented Apr. 30, 1963 2 ally or otherwise, so that upon insertion of the connector 10 into the socket (FIG. 3) instantaneous connection be 3,088,086 CONNECTOR FOR CONDUCTORS tween the thus selected ?rst and second conductors 22, 21 David J . Crimmins, Nutley, NJ ., assignor to The Thomas may be effected. & Betts Co., Elizabeth, N.J., a corporation of New Thus the invention may be used, for example, for selec Jersey tion of the particular one of a series of ?rst conductors Filed Sept. 22, 1960, Ser. No. 57,647 22 (FIG. 1) in a conductor tape 23 to that particular 4 Claims. (Cl. 339-17) one of a series of second conductors 21 (FIG. 4) in a baseboard or terminal block 24 desired for closing a cir This invention relates to a device for connection of a ?rst conductor such as a ?at cable conductor .to a panel 10 cuit and for disconnection and alteration of the connec tions as desired. To that end, the baseboards may have board or other socket for rapid and easy connection with indicia 25 (FIG. 4) to identify the particular Wires 21 so and disconnection from second conductors. that selective connection of the desired ?rst conductors 22 The invention thus enables the selective connection of therewith may be thus effectively made. an individual or one of a pluralty of ?at conductors, for The connector 10 may have cam element 26, 27 on the example, carried by a conductor tape, to selected con 15 ductors connected to sockets, for example, to thereby longitudinal portions 12, 13 thereof (FIG. 1). Said cam elements may be tapered toward the closed end 16. A slide member 28 is provided (FIG. 11) comprising a block having an aperture 29 therein to freely receive the longitu below more particularly described, and exempli?ed in the 20 dinal portions 12, 13 of the connector; thus the slide mem selectively connect and disconnect and vary circuits in a rapid, accurate and convenient manner. The invention includes novel features of construction, accompanying drawings, forming part hereof and wherein \ ber 28 may be readily moved by the user onto the cam element 26, 27. Means are provided on the slide mem similar reference characters indicate like parts: ber 28, such as complementarily tapered portions 30, 31 FIG. 1 is a perspective view of a device embodying the to engage earns 26, 27 (FIG. 7) and thus tightly close and invention showing a series of ?rst conductors to which it 25 clamp the longitudinal portions 12, 13‘ at their free ends may readily be secured, 15. A ?rst conductor may thus be inserted between the FIG. 2 is a similar view, showing the connector engag free ends of the connector device and securely held therein ing a ?rst conductor, (FIGS. 2 and 10). Referring to FIG. 1, cam elements FIG. 3 is a fragmentary sectional view of the connector 26, 27 may comprise ribs formed on the longitudinal por shown inserted in the socket of a base board, for connec 30 tions 12, 13 of the connector 10‘ at right angles to their tion of a second connector therewith, FIG. 4 is a fragmentary perspective view of a base board having connected thereto second conductors to which the connector of this invention may be selectively planar faces and tapering away from the free end 15; said ribs may be U-shaped in cross section (FIG. 1) at right angles to their longitudinal axes. The longitudinal por tions 12, 13‘ of connector 10 may be bowed or otherwise FIG. 5 is a fragmentary perspective view of another 35 displaced as indicated at 32 in FIG. 5 adjacent the closed end 16 so that (FIG. 8) said bowed portion 32 may be form of connector embodying the invention, shown apart frictionally compressed on insertion into the socket 20' from ?rst conductor, in baseboard 24. FIG. 6 is a similar view showing said connector secured The longitudinal portions 12, 13 may be displaced at to one of the ?rst conductors, 40 their free ends 15 as noted at 33, 34 in FIG. 1, to de?ne FIG. 7 is a side elevational, partly sectional view lips for frictional engagement with the tapered end of thereof, the tape 23 (FIG. 2) from which the ?rst conductors ex FIG. 8 is a fragmentary sectional view of a baseboard tend; the lips may be formed as noted at 43, 44 (FIG. 9) socket showing a connector of the FIG. 5 form inserted connected, for gripping (FIG. 10) the top and bottom edges of the FIG. 9 is a partly fragmentary perspective view of 45 end of the tape 23. Slide member 28 may be molded or stamped or otherwise formed unitarily as in FIG. 7 or, as another form of connector embodying the invention, in FIG. 11, of two or more pieces-part 40 being the in FIG. 10 is a side elevational view thereof, shown con therein, ternally apertured tapered part, may be a metal or other FIG. 11 is a fragmentary sectional view of another 50 ring ?xed to part 28'. This invention provides termination to ?at conductor form of connector embodying the invention, and cable which is superior as the ?at surfaces of said con FIG. 12 is a fragmentary perspective view of a further ductors are thus pressed together without damage to the form thereof. very thin conductors. The tapered portions of the cam The connector of this invention, generally designated by reference character 10 (FIG. 1), comprises a body por 55 elements 26, 27 and collar or slide member 28 are formed to wedge and be self holding when (FIG. 10) assembled. tion 11 which may, for example, be of a length of metal nected, or other conducting material formed (FIGS. 1, 5, 7) To that end the angles of the tapered portions of the cams and the tapered opening of the slide member may vary to the desired degree-5° or less, for example, if so desired tion and tending to press together so that the free ends 15 60 (or of an order higher than 5° if desired). Having thus described my invention, what I claim as (FIG. 1) of said body portions 12 and 13 will close under folded at one end 14 and thus tensioned, to de?ne longitu dinal portions 12, 13 disposed in overlying parallel rela tension. The folded or closed end 14 of the connector may be a unitary end as shown at 16 in FIG. 1 or as new and desire to secure by Letters Patent is: 1. In combination with a ?exible tape conductor com prising a plurality of thin, ?at conductor elements im shown in FIG. 12, the longitudinal portions 12 and 13 of the connector may be formed of separate strips joined at 65 bedded in a thin insulating strip, the ends of said elements extending outwardly of said strip; the improvement com one end by rivet or other means 17. It will be noted that prising a plug prong extension for removably connecting the longitudinal portions 12, 13 of the connector in the any of said individual conductor elements to a terminal various forms of the invention shown in the drawings and block, said plug prong extension comprising a body por described herein, are disposed in overlying parallel rela tion, the ?xed end 16 being adapted for insertion into a 70 tion of sheet metal folded medially providing a pair of elongated longitudinal portions normally disposed in ten socket such as shown at 20 (FIG. 3), or 20' FIG. 8. The sioned, contacting parallel relation, cam elements formed second conductor 21 is connected to the socket 20 friction 3,088,086 3 4 on at least one of said longitudinal portions adjacent the free end thereof, a slide member of a length substantially 4. In a plug prong extension for flexible tape conduc tors as set forth in claim 1, the free ends of said longitudi less than that of the longitudinal portions freely receiving nal portions being displaced angularly outwardly with said portions therethrough and manually movable thereon respect to each other to provide a shoulder for abutment toward the cam elements, means on the slide member against said insulating strip. complementarily formed for engagement with the cam elements to press said longitudinal portions togther, so that a conductor element may be inserted between the References Cited in the ?le of this patent UNITED STATES PATENTS free ends of the longitudinal‘ portions and be held ?rmly therein on engagement of the cam elements of the con 10 nector on manual movement of the slide member against the cammembers, said folded end, of said body portion de?ning a plug head adapted for insertion into a terminal block. 2. In a plug prong extension for ?exible tape conduc 15 tors as set forth in claim 1, said cam elements on said longitudinal portions comprising tapered elements ex tending at right angles marginally of the longitudinal portions and tapering, toward their folded end. ing displaced from each other adjacent their folded end to provide oppositely bowed projections so that said plug head may ‘be inserted into and compressed frictionally in a terminal block. Laiferty _____________ __ Sept. 17, 1889 Cunningham __________ __ Nov. 7, 1911 1,689,889 Nunes ________________ __ Oct. 30, 1928 2,004,695 2,291,458 2,781,212 Hager _______________ __ June 11, 1935 Field ________________ .. July 28, 1942 Jugle ________________ __ Feb. 12, 1957 2,825,036 Sorensen _____________ __ Feb. 25, 1958 358,934 1,169,034 748,811 France ________________ __ Jan. 6, 1906 France _______________ __ Sept. 8, 1958 Great Britain __________ __ May 9, 1956 FOREIGN PATENTS 3. In a plug prong extension for ?exible tape conduc 20 tors- as set forth in claim 1, said longitudinal‘ portions be 411,153 1,008,018 OTHER REFERENCES Grayhill Inc., catalog M102 Revision A “Grayhill Bind 25 ing Posts,” page 3, June 1958.