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Патент USA US2124311

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July 19, 1938.
D. v.‘ NELSON
2,124,311
‘BUILDING CONSTRUCTION
Filed Feb. 18, 1937
i117 .
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2,124,311
Patented July 19, 1938
' UNITED STATES
PATENT‘ OFFICE"
2,124,311
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BUILDING CONSTRUCTION
3:
David V. Nelson, Chicago, Ill.
'
Application February 18, 1937, serial No. 126,343
2 Claims.
My invention relates in general to building con
struction and has more particular reference to a
soundproof suspension means for the support of
ceilings and other surfacing elements in a man
6 ner suppressing sound transfer through the sup
ported elements; An important object is to pro
vide support means for‘ceilings and similar sur
facing elements in building structures while sup
pressing ‘or minimizing the transfer of sound
through the support.
'
The utility of sound suppressing support means
i will be readily perceived when it is understood
‘ 15
Figure 4 is a perspective view of a part of a
mounting clip comprising my present invention.
To illustrate the invention, I have shown‘ on
the drawing a ceiling structure ll embodying a
soundproof mounting element l3 although it will
be apparent that the invention is not necessarily
restricted to ceiling structures, but many aspects
of the invention may conveniently be employed in
soundproof structures generally and particularly
in structures requiring soundproof anchorage of ill)
‘surfacing elements.
In the illustrated embodiment, the ceiling
that ceilings and similar surfacing elements may
act as an enlarged sounding board adapted to
magnify any vibration transferred thereto from
the basic structure on which it is anchored, the
provision of means for suppressing sound transfer
between. the basic structure and the surfacing
element being particularly desirable in o?ice
buildings and other structures where quiet is es
pecially desired and where the basic structure is
subject to vibration initiating from various
structure H is mounted or assembled on a basic
sources.
to the element l5 of the basic structure by means
of the acoustical clips l3 and the cables 11 or
Another important object is to provide an im
25 proved. acoustical structure particularly for use in
the suspension of ceilings.
,
Another important object is to provide an im
support structure l5, such as the concrete frame
of a building in which the ceiling structure is
built. This frame l5 may be formed with wires or
cables I‘! embedded therein and depending there
from to form means for suspending the ceiling
structure II in place. The ceiling structure com
prises, in the illustrated embodiment, a plurality ,
of beams l9 extending in preferably and sub
stantially parallel spaced apart relationship and
suspended at predetermined spaces with respect
other suspension elements for supporting said
clips. The clips l3 comprise a channel-shaped
proved acoustical mounting clip for ceilings and
the like, the clip being formed to substantially
element 2| which may be formed of any preferred
material although the element 2| may be most
prevent transfer of vibration between a basic
structure and a ceiling mounted on the structure
by means of the clip.
Another important object is to provide a
mounting clip of simpli?ed and inexpensive con- ‘
by bending the opposite ends of a rectangular
strip of material to form parallel, spaced-apart
struction and simpli?ed means for mounting the
samein position to support a surfacing element
on a basic structure.
Another important object resides in the pro
vision of an improved method for the soundless
4 O support of ceiling and similar surfacing elements
in a building structure.
'
These, and numerous other important objects,
advantages, and inherent functions of the inven
tion will be more fully understood from the fol
conveniently produced as a sheet metal stamping ,
wall‘ portions 23 interconnected by means of a
joining wall 25 clearly shown in Figure 4. Retain’
ing clips or lugs 21 are arranged at the edges of
the walls 23 as shown in Figure 4 andthe‘secli‘ps
may be separate pieces welded or otherwise fas
tened to the said walls or may be formed integral
therewith if desired. Within the channel 21, I
arrange a layer 29 of felt'or other suitable sound 40
deadening material, said layer preferably com
prising a strip of material adapted to fit within
and cover the inner walls of the channel. The
clips 21 may be folded inwardly as shown in
Figure 3 after the acoustical layer 29 is assem
45 lowing description which, taken in connection _ bled within the channel 2l in order to hold the
with the accompanying drawing, discloses a pre
parts in place, the edges of the clips being adapt
ferred embodiment of the invention.
ed to grip the edges of the acoustical layer and to
Referring to the drawing: '
Figure 1 is a fragmentary perspective view of a clamp the same against the walls of the chan
ceiling suspension embodying the present inven
tion;
,
Figure 2 is a perspective view of parts of the
structure illustrated in Figure 1;
Figure 3 is a sectional view taken substantially
55 along the line 3—3 in Figure 2; and
nel 2|.
.
50
It will be noted that the clip I3 is of extremely
simple and inexpensive construction, and is
adapted to receive the beams l9, which may be
steel channels or other preferred forms, within
the channel and that when so assembled the 55
2 .
2,124,311
beams will be bedded in the resilientsound dead
ening acoustical material 29. Of course, any
number of mounting clips [3 may be utilized in
‘supporting a beam and the beam ‘may’ be hung
in a desired spacement merely by wrapping the
suspension cables I‘! each around a clip- 13 in‘
the manner illustrated in Figure 2 of the drawing.
Of course, any other kind of suspension element ,
may be used in placeof the cables II, but a cable
10 comprising a flexible Wire will not transfer such
vibration from the basic structure £5 to the ceil
ing structure as a more rigid element. Conse
quently, ?exible support elements are preferred.
Any vibration which is transferred through the
15 suspension element I‘! to the clips I3 will be
largely, if not entirely, absorbed in the layer 29
and will not be transferred to the beams I9.
The beams l9, therefore, form a substantially
soundless support on which the ceiling itself may
20 be erected. The ceiling, of course, may be of any
preferred structural form and may comprise a
plurality of spaced cross beams 3| anchored in
spaced-apart relationship on the beams [9 in any
suitable fashion and preferably by means of the
25 tie elements 33 comprising in the illustrated em
bodiment pieces of wire wrapped around the
beams I9 and 3|. The spaced beams 3!, of
course, provide an anchorage for the ceiling 35
Surfacing elements, such as ceilings, when
mounted in the manner heretofore described, are
substantially soundproof. That is to say, any
vibration originating or initiated in the basic
support structure I 5 may not reach the surfacing Cl
structure H, all vibration transmitted through
the suspension elements I‘! being excluded from
the surfacing structure by the resilient layer 29.
The structure, however, has adequate strength to
support the weight of the surfacing structure H
10
and if desired, a layer of sand may be spread
upon the upper side of the ceiling 35 to increase
its sound excluding properties.
It is thought that the invention and its nu—
merous attendant advantages will be understood
from the foregoing description, and it is obvious
that numerous changes will be made in the form,
construction, and arrangement of the several
parts without departing from the spirit and scope
of the invention or sacri?cing its attendant ad
vantages, the form herein described being a pre
ferred embodiment for the purpose of illustrating
the invention.
What I claim is new and desire to secure by
Letters Patent of the United States is:
‘
1. In a suspended structure comprising a plu
rality of spaced-apart ceiling bars, the combina
tion of saddles receiving said bars at spaced in
which may also be of any preferred material or V tervals, said saddles each comprising a plate bent
30 structural character. In the illustrated embodi
to form a channel having spaced-apart side walls a.
ment, the ceiling 35 comprises a plaster receiving and an integral connecting wall, and a piece of
layer 37, such as expanded metal or other foram
resilient material covering the inwardly facing
inous construction, which is secured on the beams surfaces of the walls of said channel whereby to
35 in any convenient or preferred manner, for
resiliently seat a bar in said saddle, and ?exible
35 example, by utilizing the ends of the wires 33 to
secure the plaster retaining layer 3‘! in place.
Alternately, if the beams iii are of wood or other
40
45
50
55
nail receiving material or construction, the layer
3? may be mounted by nail-like fasteners. The
layer 31 also may comprise wooden slats nailed
in place on the beams 3!. The ceiling may be
?nished by applying a ?nishing layer 39 on the
layer 31 and this ?nishing layer 39 may be plaster
or any other surfacing material depending, of
course, upon the nature of the underlying sup
port layer 3'! and it is entirely within the con
ception of my present invention to form a ceiling
of boards nailed or otherwise attached directly
upon the beams 3|.
While I have illustrated and described the pres
ent invention as applied in ceilings, it is obvious
that the sound excluding clip l3 may be utilized
to advantage in anchoring other surfacing ele
ments and I, therefore, do not wish, necessarily,
to restrict my present invention merely to ceiling
structures.
suspension members anchored in and depending '
from a foundation structure and secured‘ to said
saddles to suspend the same and the bars seated
therein from said foundation structure.
.
> 2. In a suspended structure comprising a plu
rality of spaced~apart ceiling bars, the combina
tion of saddles receiving said bars at spaced in
tervals, said saddles each comprising a plate bent
to form a channel having spaced-apart side walls
and an integral connecting wall, and a piece of
40
resilient material covering the inwardly facing 45
surfaces of the walls of said channel whereby to
resiliently seat a bar in said saddle, and ?exible
suspension members anchored in and depending
from a foundation structure, said flexible mem
bers comprising wires having dependent portions 50
twisted into loops about said saddles to support
the same and the bars seated therein from said
foundation structure.
'
DAVID V. NELSON.
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