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Патент USA US2408444

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Oct. 1, 1946.
Orig'inal Filed July 25, 1941
' 2 Sheets-Sheet 1 '
Oct. l, 1946.
J. F. O’BRI‘EN -
’ 2,408,442
f original Filed July 25, 1941
2 sheets-*smet 2
Patented Oct. 1, 1946
Joseph F. O’Bri‘en, Jersey City, N. J., assignor to
John B. Piercel Foundation, New York, N’.. Y., a,
corporation: of New York,
'Originaiïapplieatíon July 2.5, 1941, semi, No.
403,978.. Divided and this application August
21, 194e, serial no. 500,051
2‘ Claims., (Cl. 173-3341)
This invention relates to electric-` Wiring sysa
Fig. 8 is a perspective of an insulating sheath
tems, and particularly to Wiring systems embody-
employed in said' vquadruple outlet unit;- and'
ing'seriatim interconnected units adapted for surface installation on a Wall or the top of a base-
Fig. 9 is a perspective of an interconnector- block
used to interconnect said quadruple outletA unit
board or like structural trim.
51 and another outlet provided unit.
It is an object ofthe invention to provide elecIn Figure 1, the portion of a Wiring system
tricity'conductor and connector units having i-mshown comprises electricity conductor units( t0,
proved facilities for the seriatim interconnection
I 0, and' one or more connector units: y|12) l2.
The wiring system is illustratively positioned on
It isA an olbject of the. invention to provide an 10 the top of a baseboard I4, and may-’be capped by
electric wiringsystem in which the electrical and'
a conventional molding strip l5. Said molding
mechanical connection of adjacent units may be
strip and baseboard are fragmentarily shown.
made fromV the front of the unit, with means for
The conductor unit I G mayhave a base I6 anda
the complete enclosure: of adjacent> units- over a
removable cover l1 secured thereto by machine
substantial area beyond the point ofl intercom-` 15 screws or equivalent i8, see Fig. 3. Cover and
nection thereof.
base m-ay be molded ofl electrical insulation mate~
It is an object of the invention to provide an
rial to have any suitable plurality of registering
electricity connector unit for» interconnecting adtransverse walls I9, lilaY each being grooved’A to en
jacent conductor units, having improved means
gage therebetween and insulatedlyI support a suit
for secu-ring the conductors therein against. acci- 20 able plurality of electricity conductors 25J, 20..
dental displacement during installation and for
It'vvill be noted that the mating Walls at each end
maintaining the rigidity thereof- during use.
of each conductor unit I0 define a completelyl
, This application is,- a, division of my' presentlyr
closed end wall, and that- each end, 2|, of each
copending application Serial' No. 403,978, lìled
conductor unit l0 is of reduced dimension to pro
July 25,'19‘1-1,` for Eleptricity conductor unit, U. S. 25 vide-a- three-sided; stepped extension of substan
Patent- No. 2,313,331, patented- April 10, 1945.
tial length, over which an extending end of the
Other features andadvantages‘will hereinafter
Cover Of the COIlIleCÈOr unit ñ’ßS snugly fOr 00m
plete enclosure of such end portion.
InA the accompanying: drawings:
The. conductors `2li» may be tubes or rodsr of
Fig. 1 is an elevation offa portion of an @Metric 30 conductive material; manufacturing economies
wiring systeml according to the present invention,
run onY theïbaseboard of' the Wal-10ft), room, Said'
baseboard being shown. fragmentarily to reveal
are; elïected by employing solid conductors, i. e.,
rods; or lengths of relatively-rigid wire. As clearlyV
appears from Figures 2' and' 3': Saïd Conductors
the Otherwisev Concealed securement devices;
20 extend for a desirably- predetermined distance
Fig. 2. is an enlarged section ofy a portion of the 35 beyond the: ends of the umts I0.
Wiring system,> looking in the direction of the
The Connector’ Umt '2 includes a' base 22 Ofï
insulation material, having a width equal to- the
Fig 3 is an enlarged plan View of the portion
Width of thev projecting ends 2*! of the units.v _HL
of the Wiring system Shown in Figure 2 with the
and a thickness which desirably positions the 1n
_ -. .
40. ner surface of such base in the same plane as an
ec or
base 22- has at each of its ends a transverse wall
Icrïgâädmâîâîêf Ctìlâeîfrîlälâgdrcorfiîìïoä gli; ¿te
unit removed to show the arrangement of' the con'
ducíßors'ând, clamping means therem;
innerr surface oi the base I6 of the unit lo. The
23,. desirably having grooves 24, 24 to receive ther '
conductors 20, and an intermediate longitudinal-
F1a 4 1s areal" vlevv of the @over member 0f. the. 45, rib 25 eoextensive with the .base The removable
connector umn of Hgu’îe Si
cap 26 of the unit I2, also of insulation material,
F125 5
.al Sectional ele'i’atï‘m 01°' ai Wiring SYS*
has end portions or eavesr'21, 2l which are adapted
tememploylng. a quadruple. outlet unit with which
to envelop the ends,` 2=I« of the conductor units` la
is Connected. a COIlduCÉOr unit and a Sîlfliilf-Jv 011t- t
about three sidesv thereof., as previouslyk sta-ted:
let» Uniti.
5,0 To complete the enclosure of the conduct-ors at
Fig. 6 isx a fragmentary pla-n» view of: the'l basel
the junctures of units HlY and` l2', the base mem'
portion of a quadruple outlet unit at the. centen
ber of unit lilll may have a projecting toe 28a. to;
portion thereof;
extend" into> a suitable pocket formed in> they base
Fig: '7j is. a section of’ an assembled quadruple»
22'` off the unit: l2'.
outlet unit- taken» at 'Il--J of Fig. 6;>
55S The unit.; l'2l i‘sillustrated as having outlet .proa
visions, pursuant to which the cap member has
paired slots 29, 29, desirably bounded by trans
verse walls 30, 30 and a central wall 3|. It will
be noted from Figs. 2 and 4 that the transverse
of the unit on the baseboard, or the íit of the
molding strip |5 thereon.
The thickness of the lugs 42 is less than the
thickness of the base portion, so that a substan
tial overlap is provided between the side walls
Walls 30 project beneath the surface of wail 25
of the cap and the upperand «lower edges of
and engage the sides thereof, thereby keying the
the base portion. Preferably said cap telescopes
cover 26 positively to the base 22. Disposed be
over the base portion with a snug fit, thereby
neath said slots when the housing and base of
minimizing possibility of ingress of dirt or in
the connector I2 are arranged in ultimate posi 10 flow of water into the unit in the areas occupied
tion, said base has pockets 32 to accomodate
by the clips 4|. It will be understood, see Fig. 4,
the ends of the blades of an electric attachment
that the cap member 26 has suitable recesses 44
to accommodate the fingers 43 of the clips.
Referring to Fig. 3, the conductor 33 of the
Where it may not be desirable to employ the
unit |2 is desirably an angle-shaped stamping
clips 4|, as where the run of units is exposed
of copper or brass, on the vertical wallof which 15 on a wall, a wood screw may be substituted for
may be riveted or welded contacts 34, 34 when
ythe bolt and nut organization 45.
the connector unit is provided with electric at
Figure 5 is a sectional elevation of a portion
of a wiring system embodying a unit i0 and a
tachment facilities.
contacts 34 are openings 35, 35 of suitable width
unit I2, interconnected by a quadruple outlet
in the plane portion of said angled conductor 33 20 provided unit ||2. In said unit |I2, the base |22
to permit the passage of the blades of an elec
corresponds generally to the base 22 of the unit
trical attachment plug >therethrough and into
I2 in that it is provided with end walls 23 having
the pocket 32 in the base 22. Desirably inter
groves 24 therein, a central rib 25, lugs 42, and
mediate the contacts 34, the basel of the con
the provisions for the frictional retention of four
ductor 33 may have a plurality, illustratively two, 25 electricity conductors 33, two disposed at each
of the downwardly extending lugs 35; said lugs
end of the unit according to the showings of
extend into and fit snugly within recesses 31
provided in the base 22, to frictionally secure
the conductors 33 on the base member 22 and
Figure 3.
It will be noted that at the center portion of
the base |22, there is provided a structure |50
prevent displacement thereof during installation
having vertical side walls provided with upstand
in a vertical plane.
ing lugs, |5|, |5|. Such structure |53 has pas
The grooves 24 in the transverse walls 23 of
sages l52, |52 therethrough, said passages ter
base 22 and the similar grooves in end walls 23a
minating in polygonal pockets |53 into which the
of cap 2B register with the intersection of the
nuts of the screw-nut assemblies 40 snugly and
vertical and horizontal walls of the angle-form 35
conductors 33; and the base grooves guide the
conductors 2i) of an adjacent unit into preferred
position for securernent to the conductors 33.
Optional means are provided for the mechani
cal interconnection of adjacent units and'for the
securement of a run of units to the wall of a roem.
According to the embodiment of Figures 1
through 3, mechanical interconnection of ad
jacent units, additional to the connection afforded
frictionally ñt.
Electrical interconnection between conductors
33 of like polarity may be made by the conductors
|54, clamped to said conductors in the same man
ner as are the conductors 20, see Figure 2.
Arrangedto iit over and enclose the structure
|50 and the electricity conductors |54 on each
side thereof, is a sheath |55, which may be of rela
tively thin insulation material such as molded
fiber. Said sheath |55 has openings |55, |56
by the clamping means, is effected by a machine 45 therethrough, said openings receiving and engag
screw and nut 4|), which pass through register
ing with the lugs |5| of said structure |50 to ac
ing openings in the eave 21 of the cap 2S and
curately position the sheath and prevent lateral
the extension 2| of a unit I5. The nut of such
displacement thereof. Holes |51 register with the
fastening means is preferably housed within a
passages |52 of the structure |50.
polygonal pocket in the base member I6 ofthe
A pair of standard cover members 25 is used
unit I0, desirably with a jam fit in such pocket
to enclose said base |22, the meeting edge of said
to prevent accidental displacement. The ma
covers 26 being at the center of the base |22, and
chine screw may, therefore, be inserted and made
it will be apparent that the sheath |55, ñtting
fast wholly from the front of the unit.
beneath the covers, protects the conductors |54
Securement of the run of units to the wall of 55 against access from without. Each cover 26 has,
the room may be accomplished by the mounting
at each of its ends, an aperture for the passage
clips 4|, one or both of the wings of which may
of a machine screw 45; said apertures register
be perforated for the passage of a wood screw or
with the openings |52, |51, whereuponthe covers
like fastening device. Suitably rigid support,
may be securely attached to the base.
however, may be had by inserting the lowerrnost
In assembling the units on the job, the base 22
Wing 4|a intermediate the baseboard and the
of the connector unit |2 or ||2 may first be posi
wall as shown in Figure l, and by securing the
tioned, whereupon a unit l0 may be placed in ad
upper wing 4|b to the studding or wall structure
jacency thereto, with the extendingV ends of the
by a wood screw. The molding strip I5 fully
conductors 20 thereof guided into position beneath
conceals such upper wing 4H) and its screw
the clamps 38 by the grooves 24. The clamp
screws may then be tightened up and after a sec
Referring to Figures 3 nd 4, it will be noted
ond run unit |Il has been similarly placed in posi
that the base 22 of connector unit I2 is formed
tion, the cover member of the connector unit I2
with extending lugs 42, over which fingers 43 of
may be iitted over the assembly and made secure
the clips 4| iit in gripping relation therewith.
by the screw and nut organization 40 at each end
The extent of outward projection of the lugs 42,
plus the thickness of the ñngers 43, equals the
width of the cap member 2S, whereupon the unit
with its assembled clips 4| is without break or
offset which would interfere with the positioning 75
' It is seen, therefore, that the installation of this
wiring >system is exceedingly simple, in that all
operations of connection, etc., are made from the
front and in full view of the installer. The clamp
ing means 38, engaging the conductors 20 at twoy
relatively Widely spaced points, and urgingr said
conductors into contact with the conductors 33
at the juncture of the angle-'forming walls there
of insure proper electrical interconnection of the
respective units.
Whereas I have described my invention by ref
erence to speciñc forms thereof, it will be under
stood that many changes and modifications may
be made without departing from the spirit of the
said base and said conductors, said cover having
eave-like portions extending beyond the ends of
said base for the reception of the ends of an ad
jacent unit of such wiring system.
2. A unit of an electric Wiring system of seria
tim-interconnected units, comprising a base of
electrical insulation material, a central rib in
tegral with said base and extending longitudi
nally thereof, electricity conductors disposed on
said base on each side of said rib, lugs on said
conductors extending into said base in frictional
engagement therewith to secure said conductors
thereto, and a three-sided cover of electrical in
sulation material adapted to completely enclose
riatim-interconnected units, comprising a base 15 said
base and said conductors, said cover having
of electrical insulation materi-al, a central rib in
eave-like portions extending beyond the ends of
I claim:
1. A unit of an electric Wiring system of se
tegral With said base and extending longitudinally
thereof, electricity conductors disposed on said
base on each side of said rib, lugs on said con~
ductors extending into said base in frictional en
gagement therewith to secure said conductors
thereto, and a three-sided cover of electrical in
sulation material adapted to completely enclose
said base for the reception of the ends of an add
jacent unit of such wiring system, and transverse
walls engagea‘ole with said central rib in keying
relationship therewith to secure said cover in
position on said base.
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