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Oct. 15, 1946.
2,409,342
r J. J. CASSIDY
ROD SUPPORT FOR REINFORCED CONCRETE STRUCTURES
Filed May 15, 1944
2 Sheets-Sheet l
‘
. '
1NVENTOR4
0a.‘ 15, 1946.
, J. .k CASSIDYQ
2,409,342
ROD SUPPORT FOR REINFORCED CONCRETE STRUCTURES
Filed May 15, 1944
2 Sheets-Sheet 2
Patented Get. 15, 1946
2,409,342
UNITED STATES PATENT OFFICE
2,409,342
ROD SUPPORT FOR REINFORCED CONCRETE‘
STRUCTURES
Joseph J. Cassidy, Fort Wayne, Ind.
Application May 15, 1944, Serial No. 535,606
6 Claims. (Cl. 72—122)
1
2
This invention relates to rod supports for re
inforced concrete structures such as for use in
assembling rods in spacediarrangement over a
consists of metallic strips |4—I5 having perfora
tions l6 made therein at frequent intervals uni
formly spaced apart from each other, constitut
ing spacers; supports for securing the spacers in
body of concrete is to be invested, so the rods are Ur planes suitably distant from the ?oor A or Walls
of a form, constituting stools I1; and members
sustained in de?nite predetermined positions dur- .
constituting clasps l8‘that are mounted in con
ing the setting period of the concrete body.
nection with the strips and stools by which re
An object of the invention is to provide various
inforcing rods Iii-20 are sustained in a selected
preshaped parts that are conveniently assembled
?oor or adjacent the walls of a form in which a
at the situs to‘form supports ‘for the reinforcing 10 de?nite arrangement.
The spacers preferably are made of ?at strips
rods in any desired arrangement of spacing apart
from each other above a floor or within a form
of metal suitable in length to extend from one
in- which concrete is to be molded.
end to the other of the ?oor or form for reception
of a concrete mixture, or from one side thereof
‘
Another object of the invention'is to provide
easily assembled ‘parts for “securing reinforcing
to the other as required.
rods ?rmly in any desired relative arrangement
in such manner as‘ requires but few operations
The stools preferably areformed‘of sheet metal,
shaped to have parallel legs 2! spaced apart from
each other, having inturned shoulders 22 and ter
minal outturned feet 23, there being made a slot
and tools.
:
'
A further object of the invention is to construct
the parts so as to be applicable selectively to re
legs also have outwardly projecting prongs 25
‘for éahe reception of a binding wire when such is
N Ur
Ill -
assemblage of‘reinforcing rods, and supports for
the rods arranged in connectionwith spacers for
the supports;
Fig. 2 is a fragmentary elevational view drawn
to an enlarged scale showing a section of Fig. l
on the line :c—a: thereof;
Fig, 3 is atop plan view of one of the members
of an adjustable clasp for holding a reinforcing 40
rod;
Fig. vLl is a top plan view of another member of
the clasp;
‘
'
"Fig. 5 is a detail side elevational view of a
modi?ed form of the clasp;'
Fig; 6 is an end elevational view of the struc
use
.
The clasp preferably consists of two members
26 and 21, the member 26 consisting of a sliding
‘
Other objects and advantages of the invention
appear in the following description.
‘An illustrative embodiment of the invention is
‘shown in the accompanying drawings, in which»
‘Fig. 1 is a fragmentary perspective view of an
“
shown) or other means for securing the feet in
place against the floor or wall of the form. The
tion in the form in which the concrete is, to be
molded.
‘
20 24 in each foot for the‘ reception of a nail (not
inforcing rods of various dimensions.
And a still further object of theinvention is to
so construct the parts as to permit rapid asseme
blage of the reinforcing ‘rods 'in any desired
spaced relationship with each other and posi
‘
plate 28 with an opening 29 therein and pro
vided with an upturned jaw 30 having a notch
30’ and a downwardly inclined prong 3| that pro
jects from its outer face. The other member 21
has a hat base 32 provided at one end thereof
with an upturned jaw 33 having a notch 33’ and
laterally projecting prongs 34. The major poré
tion of the base 32 ‘is made sufficiently narrow
as to be received withinithe opening 29 of the
member 23 when the two members are assembled
together, and permit longitudinal sliding move
ment of the plate 28’rela‘tive thereto. Thus the
opposing jaws 30 and 33 are readily adjustable
toward and from each other upon sliding move
ment of the plate 28. The clasp members are
positioned upon the upper face of the correspond
ing spacer ‘and the base 32 is secured in a selected
position thereon by any suitable means such as a
bolt 35 that is applied through an opening 38
in the base and through a selected one of the
perforations It in the spacer and also through
Fig. 'l is a perspective view of an adjustable
the upper end of ‘the corresponding stool ll. In
stool for use where one‘ series of reinforcing‘ rods
are supported in a plane above another series of 50 this manner the member‘ 21 of the clasp, the
spacer and the stool are ?rmly secured together,
rods; and
'
while the other member 26 is movable to permit
Fig. 8 is a side elevational view showing an
other modi?ed form of the invention, parts being ‘4.3. adjustment of the jaws of the clasp toward and
ture shown in Fig. 5, partly in section;
from each other to accommodate reinforcing
‘
‘ The illustrative embodiment of the invention 55 rods of various diameters.
in section.
2,409,342
3
The stools 2| vary in height so the spacers’
l4-l 5 are sustained in different planes, one above
the other, and the reinforcing rods l9 and 29 are
accordingly supported in different planes. Thus,
when ?nally arranged in place the rods 29 over
lie the rods l9.
The clasps, spacers and stools may be modi?ed
in form. For instance, the structure shown in
4
ily connected in spaced relation with each other
and positioned on the ?oor or secured to the walls
of the form suited to the limitations of space af
forded thereby as the case may be.
Upon investment of the concrete mixture the
complete assemblage including the stools, spacers,
clasps and the connecting means therefor to
gether with the reinforcing rods supported there
Figs. 5 and 6 consists of a clasp 3'!‘ formed of a.
by become imbedded within the: concrete‘ mass to
single piece of ?at metal shaped to have parallel 10 form a component part of the ?nished concrete
arms 38 terminating with inturned shoulders 39
structure.
and outturned bifurcated ends 40 and have out- ,
Variations from the particular construction
wardly projecting prongs or hooks 4|. In this in
above disclosed may be resorted to by the exer
stance the stool 42 is similar to that shown in Fig.
cise of skill in the art, without departure from
2 and is secured in connection with a spacer l5’
the scope of the invention, and the following
and the clasp 31 by means of a bolt 43.: ,A rein-.
claims are intended to be inclusive of such varia
forcing rod 44 is received betweenthe arms of
the clasp by pressing it past the shoulders 39 and
What I claim-is'i
is further secured in place by means of a .wire 44'
'1. A'reinforcing rod support and spacer there
that is looped around the prongs 4| and drawn 20 for consisting of a stool having legs provided with through the slots 45 of the bifurcated ends and
outwardly extending prongs and slotted feet for
finally entwined about the extremities of the
accommodation of a fastening means,v a spacer,
arms.
disposed on said stool, consisting of a metallic
tions.
.. In Fig. 8 is illustrated a form of the invention
,
‘
,.
_
.
strip having spaced apart perforations, a clasp
in which there is provided a stool TI and spacer 25 having two interconnected members, one of which
12 similar to those shown in Fig. 1. In this in
members consists of a sliding plate having an
stance a -U-shaped chair ‘Z3 is secured in connec
opening therein and provided with an upturned
tion with the spacer and the stool by means of a
jaw, and the other member consisting of a base
bolt 14. The arms 15 of the chair have outwardly
disposed in the opening of said sliding plate and
extending spurs 16 that have locking engagement 30 having another upturned jaw, said jaws being
with an overlying clasp T! when placed astride the
oppositely disposed and having slots and out
top of the chair, there being provided latch open
wardly extending prongs for accommodation of
ings 18 in the arms of the chair for reception of
a binding wire, and means for securing one‘of
the ‘spurs. In this form of the invention a rein
said clasp members, spacer and stool together
forcing bar (not shown) is placed in the chair 35 in de?nite positions relative to each other, and
between the arms thereof‘and is held therein by
said sliding plate being movable to permit rela
applying the clasp TI to the chair.
tive adjustment of said jaws to accommodate
In some instances it is desirable to support a
therebetween reinforcing rods of various sizes.
group of reinforcing rods arranged in planes
2. A reinforcing rod support and spacer there
above another group or at various elevations. For 40 for consisting of a'stool having legs terminating
with feet adapted to be secured to the floor or
wall of a form, a spacer supported on said stool
this purpose there is provided, as shown in Fig. '7,
an adjustable high stool consisting preferably of a
tubular post 19 having feet 80 at its lower end, its
upper end portion being provided with a longitu
dinal slot 8|, one wall of which has made therein .
notches 82. Within the post 19 is movably dis
posed a prop 83 having a projecting pin 84 that is
selectively received in the notches according to
thevertical adjustment of the prop in the post.
On top of the prop is secured a suitable ?xture 85
adapted to be connected with an overlying spacer
strip 86 and clasp 81, by any suitable means such
as a bolt 43 shown in Figs. 5 and 6, or the bolt 35
shown in Fig. 2. The type of clasp used in con
nection with the adjustable high stool is imma
terial, the clasp 81 being similar to that shown in
Figs. 5 and 6 as exemplary.
In this manner a
consisting of a metallic strip having spaced apart
perforations, a clasp having two interconnected
members, one of which members consists of a
plate having a jaw, and the other member hav
ing a base on which said plate has guided move
ment and being provided with another jaw, said
jaws having slots and outwardly extending prongs
for accommodation of a binding wire, and means
extending through said base, a selected one of
the perforations in said spacer and through the
stool to secure same-together in de?nite posi
tions relative to each other, the arrangement
being such that by movement of said plate said
jaws are adjusted to accommodate therebetween
reinforcing rods of various sizes.
-
reinforcing rod 88 is supported in various selected
3. A reinforcing rod support and spacer there
elevations according to adjustment of the prop
for consisting of a stool having legs terminating
83.
(50 with feet adapted to be secured to the floor or
Operation
wall of a form, a spacer supported on said stool
consisting of a metallic strip having spaced apart
perforations, a clasp provided with spaced apart
In utilizing the invention, convenience is af
forded by supplying the artisan with stools,
spacer strips, clasps and the fastening means
therefor in suitable sizes and quantities necessary
to construct the reinforcing fabrication required,
ing wire, and means extending through said clasp,
so that the various parts may be assembled to
gether with the reinforcing rods completely on
a selected one of the perforations in said strip
and through said stool to secure same together in
the situs. Because of the particular construction
of the stools, 'clasps and spacers, their connec
tions with each other may be arranged so as to
permit the reinforced rods to be spaced and held
in various arrangements upon the ?oor or in the
form in which the concrete mixture (not shown)
de?nite positions relative to each other.
4. A reinforcing rod support and spacer there
for consisting of a stool having members adapted
' on said spacer opposite said stool adapted to
is shaped. Thus, the stools and clasps are, read—
engage and hold a reinforcing rod, and means
arms having inturned shoulders and outwardly
projecting prongs for accommodation of a bind
to be secured to the floor or wall of a form, a
spacer supported on said stool, a clasp disposed
2,409,342
6
5
extending through said clasp, spacer and stool
to secure same together in de?nite positions rel
ative to each other.
5. In a reinforcing rod support and spacer
therefor, a spacer consisting of a perforated strip,
a stool to support said spacer, a member having
spaced apart arms to seat a reinforcing rod
therebetween, a clasp having locked engagement
with said arms to con?ne said rod in place, and
. means for securing said member and. stool to
gether in a selected position relative to said
spacer.
-
6. A reinforcing rod support consisting of
stools having members adapted to be secured to
the ?oor or wall of a form, a spacer consisting
of a perforated strip supported on said stools,
clasps disposed on said spacer opposite said stools
respectively, adapted to receive reinforcing rods,
said clasps having upturned arms with notched
ends and, provided with outwardly extending
prongs, means connecting said ciasps and corre
sponding stools through selected perforations in
10 said strip, and a wire entwined through the
notches in each ciasp around the prongs thereon
and over the reinforcing rods positioned therein.
JOSEPH J. CASSIDY.
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