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Патент USA US3070699

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Dec. 25, 1962
3,070,689
J. D. MclNTosH
LIGHTING FIXTURE
Filed June 8, 1960
2 Sheets-Sheet l
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INVENTOR.
`JUD D. MSINTOSH'
BY w
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*' M
ATTORNEYS
Dec. 25, 1962-
J. D. MolNTosH
3,070,689
LIGHTING FIXTURE
Filed June 8, 1960
2 Sheets-Sheet 2
HVVENTUR.
JUD D.MQNTOSH
«2
` BY www M
ATTORNEYS~
United ätates Patent @hace
3,Ü7Ü,589
Patented Dec. 25, 1962
2
35113639
LEQHTENG
_
Jud D. Mcllntosh, Avondale Estates, Ga., assigner to
Lithonia Lighting, Enc., a corporation of Georgia
Filed .inne 8, ll‘ïìdíi, Ser. No. 34,737
7 Ciairns. (Ci. 24h-_51110
The invention relates in general to lighting hxtures and
distance. Wall means 34 provide an opening through the
top wall member 25 between the first and second raised
wall portions 30 and 3i on each end of the housing mem
bers '13, lli, and i5. These openings 34.- may also be re
ferred to as detent locks.
Each end of the housing mem
bers are also provided with first and second strap members
36 and 37, respectively, which may also be referred to as
detent locks and these strap members are formed and
stamped from the material of the first and second side wall
lighting fixture housings together and also for closing an 10 members 26 and 27, respectively. The first and second
strap members 36 and 37 are spaced inwardly from the
end of the housing.
first and second side wall members 25 and Z7, respectively,
Another object of the invention is to provide a new
so that as viewed from the end of the housing, the strap
and novel lighting fixture construction.
members in combination with the side walls provide what
An object of the invention is to provide a plate mem
more particularly to new and novel means for connecting
ber which can be used interchangeably to connect hous
may be referred to as an axial opening.
A plate member 46 which may also be referred to as
ing members together and close the ends of housing mem
a connecting plate is provided for connecting either end
bers.
of any of the housing members to either end of any of
Another obj ct of the invention is to provide a new and
the other housing members. This plate comprises a gen
novel connection between housing members of a lighting
20 erally flat member having first and second end portions
fixture.
dit» and 45, respectively, and each of the first and second
Another object of the invention is to provide a new and
end portions is provided with an annular detent member
novel closure for the end of a lighting fixture housing
ri`his detent member 48 is formed from the material
member.
of the plate member ¿iti and may be said to extend later
Other ob-,iects and a fuller understanding of this inven
ally out of the plane of the plate member. First and
tion may be had by referring to the following descrip
second tab members 52 and 53, respectively, are formed
tion and claims, taken in conjunction with the accom
at first and second end portions, respectively, of the plate
panying drawings, in which:
member. Since the tab members are formed from the
FiGURE l is a side elevation view partially broken
material of the plate member, they may be Said to be
away showing the lighting fixture ci the present invention;
FIGURE 2 is a fragmentary perspective view of the 30 connected integrally thereto and these tab members ex
tend generally at right angles to the extent of the plate
lighting fixture shown in FlGURE l with 'the fluorescent
member. The first and second tab members 52 and 53
tubes removed and with the fixture turned over with re
are provided with first and second detent, or securing
spect to the position shown in FÉGURE l;
members Se and 57, respectively.
FlGURE 3 is an exploded iso-metric view of the end
The use of the plate member 4t) to connect any of the
portion of one of the housings of the lighting fixture;
housing members i3, ifi, and l5 together may be best
FIGURE 4 is
enlarged view taken generally along
understood from FlGURES 2, 6, and 7. In order to con
the line @-45 of FiGURE l;
nect two of the housing members together, it is first nec
FlGURlî 5 is an enlarged view taken generally along
essary to insert the first end portion 44 of the plate mem
the line S-§ of FÍGU RE. l;
FÍGURE 6 is the View taken generally along the line 40 ber ¿itl between the first and second raised Wall portions
3i? and 3i. and the top wall member 25 on the end of the
6_6 of FÍGURE 2; and
housing 13. The spacing between the raised Wall por
FIGURE 7 is an enlarged view taken generally along
tions Iih and 3i and the top wall member 25 is designed
the line ‘7_7 of FÍGURE 6.
so that a very tight fit is effected when the first end por
FlGURE l shows the lighting fixture assembly of the
tion of the plate member is inserted therebetween. This
present invention indicated generally by the reference
tit is such that there is a scraping together of the metal
numeral it?, as mounted on the ceiling of a room. The
of each member so that an electrical ground or connec
lighting fixture assembly as illustrated in FÍGURE l in
tion is made therebetween. When the end portion 44 has
cludes 'three housing members i3, ld, and l5, respec
been inserted a predetermined axial distance, the detent
tively. Fluorescent tubes lâ, i9, and Zfi are mounted re
spectively in the housing members f3,
and i5, and ei 50 member 48 drops into the opening or detent lock 34,
thereby locking the plate member 4t! and the housing 13
fixedly together. The raised wall portions 30 and 31 and
the opening 3d may also be referred to as plate attaching
The remaining figures in the drawings better illustrate
wall means. After this has been accomplished, the same
the details of construction of the present invention and
procedure is followed to connect the second end portion
referring specifically to FÃGURES 2 and 3, it will be noted
45 of the plate member 40 to the end portion of the
that each of the housing members comprise a top wall
housing member M (FIGURE 6). The length of the
member 25 and ñrst and second side wall members 26
plate member and the positioning of the raised wall por
and 27, respectively, integrally connected to respective
tions and detent members are such that in connected posi
sides of the top wall member and extending generally
transversely thereto.
60 tion, the ends of housing members 13 and 14 just meet,
as indicated by the reference numeral 60. It will be
Each of the housing members has provided on either
readily appreciated by the description given hereinabove
end thereof, first and second raised wall portions 3u and
that a great number of housing members may be con
31, respectively (FlGURES 3 and 7), and these raised
nected together in a like manner until the desired length
wall portions are stamped out of the material of the top
for the lighting fixture assembly has been reached.
wall member and it may be said that they are formed
After the desired number of housings have been con
from the material of the top wall member. These first
nected together, as described hereinabove, it is then nec
ther end of the tubes are contained in sockets 62 for
supplying electrical energy to the same.
and second raised wall portions, as will `be noted, are
spaced from each other and are generally parallel to each
essary and desirable to close the ends of the housings at
the extreme ends of the lighting fixture assembly. The
other throughout their longitudinal extent and through
end closure of housing member l?) has been described
out their width they are generally parallel to the top wall 70 herein and is shown in disassembled condition in FIG
member 25 and are spaced therefrom a predetermined
URE 3 and assembled condition in FiGURE 2. Details
aardse@
of the assembled condition are best shown in FIGURES
4 and 5. To close the end of the housing, another plate
ing relationship therewith and with said detent thereon
residing in said opening between said first and second
member, which is identical with the plate member dfi,
raised wall portions, said second end portion of said
is utilized and in the assembled condition, the first and
plate member residing in and between said first and sec
second tab members 52 and 53 extend, respectively, be Ul ond raised wall portions and said top wall member of
tween the first and second strap members 36 and 37 and
said second housing member in electrically conducting
the side wall members 26 and Z7. The rectangularly
relationship therewith and with said detent thereon resid
shaped plate member dit is preferably of such size as to
ing in said opening between said first and second raised
just correspond with the extreme ends of the side wall
wall portions, at least one of said first and second housing
members 26 and ’E7 and the top wall member 25. The
members being closed by another similar plate member,
plate member 4d is maintained in this position by engage
said another similar plate member extending between the
ment of the detent 56 with side wall member 26 (FiG
ends of said first and second side wall members with said
URE 5 and the engagement of the detent member 57
first and second tab members extending respectively be
with the second side wall member Z7.
tween said first and second strap members and respective
In order to properly mount and supply electrical energy
side wall members, said first and second detent members
to the fluorescent tubes 18, 19, and 2f), a plurality of
on said ñrst and second tab members engaging said first
socket members 62 carried by mountinty plates 63 are
and second side wall members to secure said another
provided for each of the housing members. in the ern
similar plate member in position.
bodiment shown in the drawings, each mounting plate
2. A lighting fixture assembly including in combina
63 carries two socket members 62 and there are two such
tion at least first and second housing members each com
assemblies for each housing; namely, one at either end
prising a top wall member and first and second side wall
thereof, to receive opposite ends of a fluorescent tube.
members, each said first and second housing members
Each of the mounting plates 63 is provided on either end
having on at least one end thereof first and second raised
thereof with a tab 66 which is adapted to extend through
wall portions, said first and second raised wall portions
an opening 67 in side wall members 26 and 2.7. It will 25 being spaced from each other, wall means defining an
be noted in FIGURE 2 that the mounting plate and socket
opening through said top wall between said first and second.
member has been eliminated from the far or right end
raised wall portions on each said housing member, at
of housing member 13, however, this has been done pur
least one of said first and second housing members hav»
posely so that the connection between housing embers
ing on at least another one of the ends thereof first and
13 and 1d can be- more adequately illustrated.
30 second strap members said ñrst and second strap mem
It will thus be seen that a new and novel means for con
bers being spaced inwardly from said first and second
necting lighting fixture housings together and for closing
side wall members respectively, a plate member com
the ends of the housings has been provided. it will be
noted that the plate member which has been utilized forms
prising a generally flat member having first and second
end portions, each said first and second end portion hav
a novel and universal mechanism which can be used 35 ing a detent member, first and second tab members con~
interchangeably to either connect two housings together
nected to said first and second end portions of said plate
or to close an end of a housing.
member, first and second detent members on said first
Although this invention has been described in its pre
and second tab members respectively, said first end por
ferred form with a certain degree of particularity, it is
tion of said plate member residing in and between said
understood that the present disclosure of the preferred 40 first and second raised wall portions and said top wall
form has been made only by way of example and that
member of said first housing member in electrically con
numerous changes in the details of construction and the
ducting relationship therewith and with said detent there
combination and arrangement of parts may be resorted
on residing in said opening between said first and second
to without departing from the spirit and the scope of the
raised wall portions, said second end portion of said plate
invention as hereinafter claimed.
45 member residing in and between said first and second
What is claimed is:
raised wall portions and said top wall member of said
1. A lighting fixture assembly including in combination
second housing member in electrically conducting rela
at least first and second housing members each com
tionship therewith and with said detent thereon residing
prising a top wall member and first and second side wall
in said opening between said first and second raised wall
members integrally connected to respective sides of said 50 portions, at least one of said first and second housing
top wall member and extending transversely thereto, each
members being closed by another similar plate member,
said first and second housing members having on at least
one end thereof first and second raised wall portions
formed from the material of said top wall member, said
said another similar plate member extending between the
ends of said first and second side wall members with said
first and second tab members extending respectively be
tween said first and second strap members and respective
side wall members, said first and second detent members
first and second raised wall portions being spaced from
an generally parallel to each other and to said top wall,
wall means defining an opening through said top wall
on said first and second tab members engaging said first
between said first and second raised wall portions on each
and second side wall members to secure said another
said housing member, at least one of said first and second
similar plate member in position.
housing members having on at least another one of the fit)
3. A lighting fixture assembly including in combinaf
ends thereof first and second strap members formed from
tion at least first and second housing members each com
the material of said first and second side wall members
prising a top wall member and first and second side wall
respectively, said first and second strap members being
members, each said first and second housing members
spaced inwardly from said first and second side wall
having on at least one end thereof first and second raised
members respectively, a plate member comprising a gen 65 wall portions, wall means defining a detent lock in said
erally fiat member having first and second end portions,
top wall between said first and second raised wall por
each said first and second end portion having an annular
tions on each said housing member, at least one of said
detent member, first-and second tab members integrally
first and second housing members having on at least an`
connected to said first and second end portions of said
other one of the ends thereof ñrst and second strap mem-~
plate member and extending at generally right angles 70 bers said first and second strap members being spaced
thereto, first and second detent members on said first and
from said first and second side wall members respectively,
second tab members respectively, said first end portion
a plate member comprising a generally fiat member hav
of said plate member residing in and between said first
ing first and second end portions, each said first and
and second raised wall portions and said top wall mem
second end portion having an annular detent member,
ber of said first housing member in electrically conduct
first and second members connected to said first and seo.
3,070,689
5
first and second end portions, each said first and second
end portions of said first plate member having ta‘o mem
extending generally at right angles to the extent of
said plate respectively, said first end portion of said plate
said first plaie member, said first end portion of said
member residing in and between said first and second
raised wall portions of said first housing member and Gt first plate member flatly engaging said connecting wall
and wedgingly engaging said raised wall means of said
with said detent thereon residing in said detent lock bc
first housing member, said second end portion of said first
tween said first and second raised wall portions, said sec
plate member fiatly engaging said connecting wall and
-ond end portion of said plate member residing in and
wedgingly engaging said raised wall means of said second
between said ñrst and second raised wall portions of said
second housing member and with said detent thereon
housing member, a second fiat plate member identical
residing in said detent lock between said first and second
with said first flat plate member closing an open end of
ond end portions of said plate member, first and second
detent members on said first and second members of
raised wall portions, at least one of said first and second
at least one of said first and second housing members,
housing members being closed by another similar plate
member, said another similar plate member extending
said second plate member extending generally at right
between the ends of said first and second side wall mem
bers with said first and second members thereof extending
angles to the extent of said side Walls and said connecting
wall with said tab members engaging said sidewalls to
hold said second plate member in place.
respectively between said first and second strap members
and respective side wall members, said fiist and second
6. A lighting fixture assembly including in combination
at least first and second housing members, each said first
detent members on said first and `second members of said
and second housing members having on adjacent end por
plate engaging said first and second side wall members 20 tions thereof plate attaching Wall means, a first plate mem
to secure said another similar plate member in position.
ber having first and second end portions, each said first
4. A lighting fixture assembly including in combination
and second end portions of said first plate member having
at least first and second housing members having first and
tab members extending therefrom, said first end portion
second side walls connected by a connecting wall and
of said first plate member having wall means interfitting
defining an interior of said housing members, ends of 25 with said plate attaching wall means on said end portion
said housing members being open with ends of said first,
of said first housing member, said second end portion of
second and connecting walls abutting each other, each ‘ said first plate member having wall means interfitting
said first and second housing members having on abutting
with said plate attaching wail means on said end portion
end portions thereof first and second spaced raised wall
of said second housing member, the engagement of said
portions formed from the material of said connecting wall, 30 wall means on said end portions of said first plate mem
said first and second raised Wall portions being spaced
ber with said plate attaching Wall means on said first and
from and generally parallel to each other and to said con
second housing members constituting the sole means of
necting wall and also being located in the interior of said
holding said first and second housing members together,
housing, wall means defining an opening through said con
a second plate member identical to said first plate member
35
necting wall between said first and second raised -Wall por
ciosing an open end of at least one of said first and sec
tions on each said housing member, a first fiat plate mem
ond housing members, said second plate member extend
ber having first and second end portions, each said first
ing generally transversely to the extent of said housing
and second end portions having a detent member, each
member with said tab members engaging said housing
said first and second end portions of said first plate member
member to hold said second plate member in place, the
having tab members extending generally at right angles 40 engagement of said tab members with said housing mem
to the extent of said first plate member, said ñrst end por
ber constituting the sole means of holding said second
tion of said first plate member fiatly engaging said con
plate member in place.
necting wall and wedgingly residing between said first
7. A lighting fixture assembly including in combination
and second raised wall portions and said connecting wall
at least first and second housing members, each said first
of said first housing member in electrically conducting
and second housing members having on adjacent end por
relationship therewith and with said detent thereon resid
tions thereof plate attaching wall means, a first plate
ing in said opening between said first and second raised
member having first and second end portions, each said
wall portions, said second end portion of said first plate
first and second end portions of said first plate member
member flatly engaging said connecting wall and wedg 50 having tab members thereon, said first end portion of said
ingly residing between said first and second raised Wall
first plate member having wall mean interfitting with said
portions and said connecting wall of said second housing
plate attaching wall means on said end portion of said
member in electrically conducting relationship therewith
first housing member, said second end portion of said
and with said detent thereon residing in said opening be
first plate member having Wall means interfitting with
tween said first and second raised wall portions, a second
said plate attaching wall means on said end portion of
fiat plate member identical with said first fiat plate mem
said second housing member, a second plate member sub
ber closing an open end of at least one of said first and
stantially identical to said first plate member closing an
second housing members, said second plate member ex
open end of at least one of said first and second housing
tending generally at right angles to the extent of said side
members, said second plate member extendiing generally
walls and said connecting wall with said tab members 60 transversely to the extent of said housing member with
said tab members engaging said housing member to hold
engaging said side walls to hold said second plate member
said second plate member in place.
in place.
5. A lighting ñxture assembly including in combination
at least first and second housing members having first
and second side walls connected by a connecting wall and
defining an interior of said housing members, ends of
said housing members being open, each said ñrst and
second housing members having on adjacent end portions
thereof raised wall means, a first fiat plate member having
References Cited in the file of this patent
UNITED STATES PATENTS
2,383,007
2,563,146
2,667,570
2,905,809
Maurette ____________ __ Aug. 21,
Wise ________________ __ Aug. 7,
Goldthrope ___________ __ Jan. 26,
Pascucci ____________ __ Sept. 22,
1945
1951
1954
1959
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