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Sept. 28, 1948.
2,450,184
H.‘ E. COLEMAN
AIR CONDITIONING GRILLE OR REGISTER ASSEMBLY
Filed May 18, 1945
l/nem/E Calf/Wk
2,450,184
Patented Sept‘. 28, 1948
UNITED STATES PATENT OFFICE
2,450,184
AIR CONDITIONING GRILLE OR REGISTER
ASSEMBLY
Harry E. Coleman, Mount Vernon, N. Y.
Application May 18, 1945, Serial No. 594,559
6 Claims.
(01. 98-—114)
1
2
boards or adjacent to the ceilings of the rooms
of the building where some of the most desirable
heating and circulating effects are obtained. To
this end the invention contemplates the pro
vision of a grille or register carrying wall ferrule
This invention relates to the installation of the
registers or grilles for the air outlets or air inlets
of air conditioning systems such, for example, as
hot air heating systems, and has for its general
object the provision of prefabricated assemblies
or plate which may have formed integral with
which can be placed in position in a house or
it a section of any molding associated with the
base board or ceiling, such, for example, as the
other building under construction before the
?nished wall is applied to the studding of the
building and yet be in their proper relations to
the contiguous parts of the room wall when this
wall has been ?nished.
quarter round usually attached to the base board
and to the floor, and/or the top molding somei
times provided on base boards, or the quarter
round and/ or picture molding on the upper wall;
In the present practice of installing the
An important feature of the invention is the
provision of a grille-carrying wall ferrule plate
the air outlets of forced draft hot air heating 15 for use in air conditioning systems in which an
air duct, adapted to be located between studs of
systems, the air ducts are usually installed be
the building to be air conditioned, has a horizon
tween the studs of the building and the duct ends,
tal portion extending to the room face of the
to which the grilles or registers are to be at~
?nished wall which is to be carried by the
tached, and are carried into the room far enough
to provide material for flanging the duct end over 20 studding, said grille-carrying ferrule plate being
permanently connected in substantially lateral
the wall, after the ?nished wall has been applied
air-tight relation to the room end of the hori
to the studding, and also to provide for the at
zontal duct portion before the ?nished wall is,
tachment of the wall ferrule plate which carries
attached to the studding and having rearwardly
the grille or register, according as the opening is
registers or grilles for the air outlets or air inlets
of air conditioning systems, and particularly for
to be used as an inlet or as an outlet. This prac
25
extending
integral
flange
portions
thereof
adapted to, be connected to the studs between
which the duct is located to support and to main
requires considerable additional work after the
tain said ferrule plate and said duct end in the
ducts have been installed to connect the wall
ferrule plates, registers and grilles to the outlet 30 desired ultimate relation to the ?nished wall.
Although the invention ?nds its widest utility
or inlet ends of the ducts. Moreover, the act
in the construction of prefabricated assemblies
of flanging the end of the duct to provide for the
for use in installing air conditioning systems hav
connection is apt to cause injury to the ?nished
ing a central heating or cooling unit from which
wall with the result that further work frequently
the forced circulation starts, it will be under
vhas to :be done on the wall and, even then, a de
stood that, with only slight modi?cation, it is
sirably tight connection cannot always be ob
equally applicable to air conditioning systems in
tained. This is particularly true with respect to
which the air is heated or cooled from radiators
making the connection between the ferrule plate
located adjacent to the air outlets.
and the duct tight against lateral leakage. Such
Other objects and important features of the‘
lateral leakage is apt to cause dust streaks to be 40
invention to which reference has not speci?cally
formed on the wall about the outlets.
been made hereinabove will appear hereinafter
One of the most common practices in the in
when the following description and claims are
stallation of forced draft hot air heating systems
considered in connection with the accompanying
is to place the register through which the air is
introduced into theroom to be heated as close to 45 drawings, in which—
Figure l is a top plan view of a prefabricated
the floor as possible in order to insure heating of
air outlet or air inlet assembly for an air condi
the floor. If the wall is provided with a base
tioning system embodying the present invention,
board the hot air register is sometimes located
this view showing the assembly attached to the
in the base board but more often just above it.
studs between which the air duct is located;
The present invention aims not only to facili
Figure 2 is a front elevation of the structure‘
tate the installation of the complete system of
shown in Figure 1;
air ducts, grilles and registers of an air-condi
Figure 3 is a side elevation, with a part of one
tioning system before the inside walls are applied
of the studs broken away, this view also showing
to the studding in building construction, but also
a portion of the ?oor in its proper relation to
to provide for the more convenient installation
of the outlet grilles and registers in the base 55 the assembly. This view also shows a portion of
tice has many drawbacks.
In the ?rst place, it
3
2,450,184
4
the ?nished wall on one of the studs to indicate
on the plate 2, the lower molding section 6 being
its relation to the assembly;
formed as a quarter round, to constitute a sec
Figure 4 is a perspective view of one of the
assemblies, unattached to the studding, looking
at it from the right and slightly in front thereof;
Figure 5 is a perspective view of the same as
sembly, also looking at it from the right but
slightly to the rear thereof.
In the illustrative embodiment of the inven
tion of the usual quarter round molding to be
found between the lower margin of the base board
and the ?oor, and the upper molding 8 being
formed to correspond to the'design of the top
molding of the base board with which the assem
bly is to be used and thus to constitute a section
of said base board‘ top molding;
tion, the assembly is shown as comprising a stack
It will be seen that the flange 1 is upwardly
bent from the top of this upper molding 8 so
bow having a vertical portion adapted substan
that the ?nished wall I3 can be brought into
tially to fit between two of the studs- [2 of the
the angle ‘between the ?ange 1 and the horizontal
building to be air conditioned and a horizonal
rearward extension of the molding 8. It will
portion extending in front of the studs a su?i 15 also be seen that the ?ange 9 extends down
cient distance to bring the ferrule wall plate 2
wardly from a horizontal rearward extension of
substantially ?ush with the outer face of the fin
the lower molding 6 so that the floor M can be
extended into the angle between the ?ange 9
ished wall of the room in which the outlet is to
be located, or, as shown particularly in the draw
and this horizontal rearward extension of the
ings, ?ush with the outer surface of the base 20 molding 6. This insures a tight upper joint be—
tween the assembly and the wall and a tight
board of this wall. The duct elbow 3 is formed
of sheet metal as is also the ferrule wall plate 2
lower joint between the assembly and the floor,
and the two parts are preferably permanently
both the wall and the ?oor being applied after
connected together before installation in any
the original installation of the assembly. It will
suitable manner, as, for example, by welding, 25 also be seen that the base board can be brought
either by spot welding or otherwise. This con
into tight relation to the two ends of the as
nection, in a prefabricated unit of this sort, can
sembly thus insuring tight joints at the ends.
obviously be so made that there will be no lat
Although the moldings 6 and 8‘ are ill‘ustraté
eral leakage of air through the weld seams.
ed as being of lengths corresponding to the length
As above pointed out, the illustrative assembly
of the plate 2 so that they form sections of the
is intended primarily for use with a base board
top and bottom moldings of the base board equiv
air-conditioning outlet or inlet and the ferrule
alent in length to the section of the :base board
plate 2 carries a grille I, or it may be a register
of which the plate 2 forms a part, it will be un
of standard type, or the grille i may have be
derstood that,' if desired, these moldings 6' and
hind it in the duct a damper 5 arranged to be 35 and 8, as well as the plate 2, could be formed
of any suitable length to overlap any desired
operated by a handle I 5 to control the ?ow of
the air.
number of studs.
'
To secure the assembly, that is, the duct elbow
As hereinabove suggested, although, the inven
3 having the attached grille-carrying ferrule
tion ?nds its widest application in the provision
plate 2, in proper position on the studs l2 of 40 of prefabricated assemblies such as shown in the
drawings for air conditioning systems which re
the building so that it will be in its proper re
lation to the wall base board when the finished
ceive their conditioned air from a central con
Wall is attached to the studding, the ferrule plate
ditioning unit, it will be understood that the
2 is provided with end ?anges 4 extending rear
grille-carrying wall ferrule plate, with its stud
wardly therefrom and the dimensions of the fer 45 attaching ?anges, has equal utility in facilitating
rule plate 2 are preferably such, in the embodi
the installation of the outlet grilles or registers
for air conditioning systems in which the air
ment illustrated in the drawings, that these
?anges 4 will overlap the outer sides of the studs
conditioning unit, such as a steam radiator, is‘
l2 between which the air duct, including the el
itself located in the wall in proximity to the grille
or register.
bow 3, is located. This would give a horizontal di
mension for the plate 2 of approximately 18
As also hereinabove suggested, the invention is
inches where it is designed for the standard
equally applicable to the installation of grilles or
spacing of studs of 16 inch on centers. As above
registers for the air outlets or air inlets of air
suggested, the ?ange 4 itself hasxa horizontal
conditioning systems where these grilles or reg
dimension su?icient to locate the plate 2 flush 55 isters are installed near the ceiling of a room.
with the outer face of the base board of the wall
In such case, if a quarter round or picture mold
of the room in which the outlet is to be located
ing is provided in the side wall adjacent to the
and still provide su?icient overlap of the stud l2
ceiling then the ?ange-carrying molding part of
for ?rm attachment thereto, as, for example, by
the wall ferrule plate will have a cross section
nails l I.
60 corresponding to that of the wall molding. In
or duct end 3 in the form of a box-like duct el
To insure quick positioning of the assembly in
its proper relation to the studding so that the
plate 2 shall, be substantially flush with the outer
face of the wall base board, the plate 2 is pref
those cases in which no molding is provided on
the side wall adjacent to or at a predetermined
distance below the ceiling, neither molding 6 nor
molding 8 will be provided on the plate 2 ‘but
erably provided also with integral rearwardly 65 instead the horizontal extensions which carry the
offset ?anges ‘I and 9 arranged to engage the
?anges 1 and 8 will go directly back from the
front faces of the studs 1 2 and thus automatically
upper and lower edges of the face 2.
determine the amount of overlap of the end
What is claimed as new is:
?anges 4 on the sides of the studs I! while at
1. A prefabricated air outlet or air inlet assem
the same time providing means for additional 70 bly for- air conditioning systems comprising, in
attachment of the assembly to the studding, as,
' combination, a duct elbow having a vertical por
for example, by other nails ll driven through
tion adapted to be located between two studs of
these flanges T and B'into the front faces of the
a building and in which it is to be installed and
studs [2. As herein shown, ‘these ?anges ‘l and
a horizontal portion adapted to extend through
9 are carried by molding sections 6 and 3 formed 745 the finished wall which is to be carried by the
2,450,184
having rearwardly extending integral end ?anges
studding and a, grille-carrying wall ferrule plate
connected to the room end of said horizontal duct
portion, said assembly having rearwardly extend
in ?anges overlapping the sides of said studs and
adapted to be connected thereto, before the wall
is applied, to support and to maintain said fer
adapted to be connected to the sides of the studs
between which the duct is located and also hav
ing formed integral therewith a section of the
base-board quarter round.
5. A grille-carrying wall ferrule plate for use
in an air conditioning system in which an air
rule and said'duct end in the desired ultimate
duct, adapted to be located between studs of the
building to be air conditioned, has a horizontal
arranged to be connected to the front faces of 10 portion extending to the room face of the ?nished
wall which is to be carried by the studding, said
the two studs between which the duct is located.
grille-carrying ferrule plate being connectible in
2. A prefabricated air outlet or air inlet assem
substantially lateral air-tight relation to the room
bly for air conditioning systems comprising, in
end of the horizontal duct portion before the
combination, a duct elbow having a vertical por
tion adapted to be located between two studs of 15 ?nished wall is attached to the studding and itself
relation to the ?nished wall and also having
integral rearwardly offset top and bottom ?anges
a building in which it is to be installed and a
having rearwardly extending integral end ?anges
horizontal portion adapted to extend through the
finished wall which is to be carried by the stud
' adapted to be connected to the sides of the studs
between which the duct is located and also hav
ing formed integral therewith a section of the
ding and a grille-carrying wall ferrule plate con
nected to the room end of said horizontal duct 20 base-board top molding.
6. A grille-carrying wall ferrule plate for use
portion, said assembly having rearwardly ex
in an air conditioning system in which an air duct. ,
tending ?anges overlapping the sides of said
adapted to be located between studs of the build
studs and adapted to be connected thereto, before
ing to be air conditioned, has a horizontal portion
the wall is applied, to support and to maintain
extending to the room face of the ?nished wall
said ferrule and said duct end in the desired
which is to be carried by the studding, said grille
ultimate relation to the ?nished wall, said ferrule
carrying ferrule plate being connectible in sub
plate having formed integral therewith a section
stantially lateral air-tight relation to the room
of the base-board quarter round and a section
end of the horizontal duct portion before the
of the base-board top molding.
3. A grille-carrying wall ferrule plate for use 30 ?nished wall is attached to the studding and itself
having rearwardly extending integral end ?anges
in an air conditioning system in which an air
adapted to be connected to the sides of the studs
duct, adapted to be located between studs of the
between which the duct is located and also hav- .
building to be air conditioned, has a horizontal
ing formed integral therewith a section of the
portion extending to the room face of the ?nished
wall which is to be carried by the studding, said 35 base-board quarter round and a section of the
base-board top molding and having ?anged rear
grille-carrying ferrule plate being connectible in
ward extensions of said quarter round and said
substantially lateral air-tight relation to the room
top molding adapted to be connected to the front
end of the horizontal duct portion before the
faces of the studs between which'the air duct is
?nished wall is attached to the studding and
itself having rearwardly extending integral end
40
located.
,
HARRY E. COLEMAN.
?anges adapted to be connected to the sides of
the studs between which the duct is located and
REFERENCES CITED
having also rearwardly offset top and bottom
?anges adapted to be connected to the front faces
The following references are of record in the
45 ?le of this patent:
of said studs.
4. A grille-carrying wall ferrule plate for use
» UNITED STATES PATENTS
in an air conditioning system in which an air
Number
Name
Date
duct, adapted to be located between studs of the
291,428
Trotter ___________ __ Jan. 1, 1884
building to be air conditioned, has a horizontal
Kendig __________ __ Dec. 17, 1918
portion extending to the room face of the ?nished 50 1,288,024
1,354,746
Hendrickson ______ _'_ Oct. 5, 1920
wall which is to be carried by the studding, said
grille-carrying ferrule plate being connectible in
substantially lateral air-tight relation to the room
end of the horizontal duct portion before the
?nished wall is attached to the studding and itself 56
1,959,132
1,998,234
2,102,681
Jones ___________ __ May 15, 1934
Grimes __________ __ Apr. 16, 1935
Curtis ___________ __ Dec. 21, 1937
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