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Патент USA US3088096

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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.
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