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Патент USA US2403880

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July 9, 1946.
T. K. TAFT
DEHUMIDIFYING
‘
APPARATUS -
Filed April 5', 1944
$641-
2,403,880
k
2 Sheets-Sheet 1
9795
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18
11
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11
10
IN VEN TOR.
7710/14/13 K. DPT
A 7' TOR/VEX
Juiy 9, 1946.
‘
T. 'K. TAFT
-
2,403,880’
DEHUMIDIFYING' APPARATUS
Filed April 5, 1944,
_
'
_
‘ 2 Sheets-Sheét 2
_
INVENTOR.
THOMAS K. TAFT
BY
I
‘
Wm ,
ATTOR/VfX ’
Patented July 9, 1946
. 2,403,880
UNITED STATES PATENT OFFICE
2,403,880
DEHUMIDIFYING APPARATUS
Thomas K. Taft, Cornwall, N. Y. ‘
Application April 5, 1944, Serial No. 529,641
12 Claims. (Cl. 299-24)
1
2
surface so that the material will not spill over
The invention relates to dehumidifying appa
the outer edge of the tray when being loaded
ratus of the type suitable for providing a con
into the respective containers depending from the
ditioned atmosphere or for preventing or mini
surface. The tray is provided, furthermore, with
mizing condensation of atmospheric moisture in
a central opening designed to receive a stack to
enclosed spaces such as cellars, basements, and
induce circulation of the ambient air through the
other rooms, record and storage vaults, stock
apparatus, which is practically entirely open be
rooms, closets, food establishments, workshops,
neath the tray between the containers, being sup
etc.
ported merely by a plurality of uprights such as
It has for an object to provide an apparatus of
this nature which will be of simple and relatively 10 rods or the like. These rods are positioned in such
a manner, also, that they will serve to locate
inexpensive construction, and which may be read~
properly the material-bearing portion with re
ily dismantled to provide a compact assemblyfor
spect to a receptacle above which the saidpor
shipment or storage.
tion will thereby be mounted, and which recep
Another object is to provide a construction
which will admit ‘of a plurality of containers be 15 tacle is designed to receive the solution of the
deliquescent material as the same is consumed.
ing loaded conveniently and without danger of
The containers for the deliquescent material are
spilling the deliquescent material utilized therein.
preferably constructed of metal mesh but may be
A further object of the invention is to provide
constructed of fabric of the desired mesh, in
a construction which willadmit of retaining a
maximum amount of the'deliquescent material 20 which case provision is also made for holding-the
containers taut.
and present a maximum surface thereof for ab
The nature of the invention, however, will best
sorbing moisture; also, a construction which will
be understood when described in connection with
promote circulation over the said deliquescent
the accompanying drawings, in which:
material, for examplaof ambient air to be dehy
Fig. l is a front elevation of the apparatus with
25
drated.
the receptacle for receiving solution shown in
‘A still further object of the invention is to so
vertical section.
mount the material-retaining portion of the ap
Fig. 2 is a plan view of the apparatus with the
paratus with respect to a receptacle for the solu
lamp indicated in Fig. I removed.
tion resulting from absorbed moisture by the del
iquescent material that the said material-retain 30 Fig. 3 is a vertical section taken on the line
3—3, Fig. 2 of the drawings, and looking in the
ing portion will .be properly located with respect
direction of the arrows; and Fig. 4 is a horizontal
thereto when the apparatus is assembled, and will
section taken on the line 4---'i, Fig. 3 of the draw
allow also of convenient removal of the solution
ings, looking in the direction of the arrows.
from the receptacle.
Fig. 5 is a fragmentary detail view of several
The invention has for an object, also, a novel
metal foraminous containers, and illustrates the
form of container for deliquescent material, to
manner of mounting the same in a supporting
provide means for properly supporting the same
tray therefor~
and to allow of readily removing containers from
Fig. 6 illustrates, in vertical section, a modi?ed
their supporting means.
In carrying out the invention, the novel appa 40 form of the apparatus, designed to accommodate
foraminous containers of cloth or fabric.
ratus provides a suspension member for forami
Fig. 7 is a horizontal section thereof taken on
nous containers for the deliquescent material
the line 'i—?, Fig. 6 of the drawings, looking in
whereby said material may conveniently be load
the direction of the arrows.
ed into the respective containers without spillage,
Fig. 8 is a fragmentary detail view of several
said suspension member to this end comprising
containers of the fabric type, and illustrates the
a disk or tray having spoke members radiating
manner of mounting the same in a supporting
from ‘a central or hub portion to afford interme
tray therefor and of maintaining said containers
diate apertures. In these apertures are hung the
taut.
various containers which depend from between
Fig. 9 is a fragmentary plan view further il
the spokes thereof, as by means of rigid frame 50
portions at their suspension ends, which portions
lustrating the manner of suspending a fabric con_
tainer from the tray.
Referring to the drawings, more particularly
Figs. 1 to 4 thereof, iii designates a receptacle
the perimeterof the tray, projecting above its 55 of suitable capacity and shape, in the instant
are designed, for example, to ?t into recesses or
grooves formed along the edges of the correspond
ing apertures. A rim member is provided about
3
2,403,880
embodiment provided with ?aring mouth, said
receptacle receiving the solution resulting from
moisture absorbed by the deliquescent material
utilized in the apparatus. An outlet faucet Hi’
may be provided at the bottom of receptacle II)
for withdrawal of the solution therein from time
to time, as required.
Or, due to the novel construction of the de
humidifying apparatus, the latter may, in the
4
of the tapered receptacle l0 when resting on the
bottom of said receptacle. Their length is such,
moreover, that the bottom of the containers will
be properly located relative to the receptacle, for
example, to lie substantially in the plane of the
mouth of said receptacle, whereby solution drip
ping from these containers will be caught in the
receptacle.
When the containers are of cloth or fabric of
smaller capacities, conveniently be bodily with 10 the required mesh, a slightly different provision
drawn temporarily from the receptacle for empty
is made in the suspension of the same in order
ing of the latter.
to maintain them in taut condition. Thus, ref
The tray H of the dehumidifying apparatus is
erence being had to Figs. 6 to 9, the containers
designed for suspension of a plurality of forami
30, which are located between the spokes 31 of a
nous containers l2 which may be removable there 15 tray 32, as in the previously described embodi
from, as hereinafter set forth. To this end, the
ment, carry at their respective bottoms blocks 33
tray is formed of spoke members i3 which radi
of wood or similar material not only to stretch
ate from a central portion or hub l4 to provide
the containers but to provide for attachment of
intermediate apertures I5, the aforesaid contain
ers depending from the tray between the spokes
the same to a frame member 34, as by means of
screws 35 passing through the respective blocks.
This frame 34 is adjustably mounted to slide lon
gitudinally on the supporting rods 36 for the de
humidifying apparatus, being locked thereto in
thereof in said apertures. In the particular cir
cular embodiment of the tray shown, the con
tainers will therefore be of angular conforma
tion and are arranged circularly completely
adjusted position as by means of thumb screws
around the tray with their upper ends substan 25 37 or the like to maintain at all times the con
tially flush with the‘ surface of said tray. This
tainers in extended condition. Their upper ends
facilitates loading of the containers with the del
are mounted similarly to the previously described
iquescent material, for example, calcium chloride
containers through a wire frame 40 attached to
?akes; and, to insure against spillage of mate
an upper end of a container and seated in re
rial over the circumference of the tray, there is 30 cesses or grooves 4| along. the sides and inner
provided over the perimeter of the same a rim
end of an aperture. However, the wires in this
16 which projects a distance above the upper sur
instance are more or less resilient and their out
face of the tray sufficient to properly retain there
er and opposite ends are crossed at the outer end
on the material being dumped into the containers.
of an aperture and. are made of su?icient length
For promoting circulation of the ambient air, 35 to overhang the sides of such aperture at the
the hub. 14 is provided preferably with an open
outer end thereof. This affords support at the
ing I’! located centrally in the hub of the tray
said outer end of an aperture and permits also
and there is then introduced into said opening
of lifting out a container, after ?rst withdrawing
a stack member [8 which not only prevents spill
screw 35, in applying manually pressure thereon
age of material through the opening, but enhances 40 to collapse the frame 40.
circulation of the ambient atmosphere through
The arrangements for supporting containers as ‘
the apparatus and over the material retained in
hereinbefore described, for example over a recep~
the containers suspended from tray II. The cir
tacle, allow of ready dismantling and packing
culation may be further enhanced by suspending
of the dehumidi?er apparatus in the said re
a lighted electric lamp [9 at the upper portion
ceptacle, for shipping or for storing the same.
of the stack, as shown in Fig. 1.
Thus, if the rods supporting the tray for the
When these individual containers are of fo
container be withdrawn from said tray in which
raminous metal, for example, galvanized wire
they have merely a friction ?t, the said tray
screen of the required mesh, they are of suffi
with containers may be set within the receptacle
cient rigidity to maintain their normal shape
which is of a height to accommodate the con
under load, and are then conveniently suspended
tainers and tray and at its mouth of a diameter
from the edges of an aperture through the pro
to receive the withdrawn rods which may be
placed over the tray. The stack may be pushed
dering or welding said edges thereto, or by crimp 55 inwardly or removed and located beneath the
tray centrally of the containers. A suitable cover
ing the edges thereover. With material having a
(not shown) placed over the top of the recep
selvaged edge, the wire may be omitted. This
vision, for example, of a stiff wire frame 20 to
which their upper edges are attached as by $01.
frame then fits into lateral recesses or grooves
2| along the side and inner end edges of an aper
ture, thus mounting the upper ends of the con
tacle will then seal the apparatus in the recep
tacle. Or, if no moisture-receiving receptacle is
60 to be provided, a suitable carton or box will ac
commodate both the tray with containers and
the supporting rods.
readily removed from its support by lifting the
I claim:
same through the corresponding aperture.
1. In dehumidifying apparatus: a suspension
The entire dehumidifying apparatus hereinbe 65 member comprising a top tray to receive dehy
fore described is conveniently mounted in posi
, drating material, said tray affording spoke memtion over the receptacle H! by an open framing
bers radiating from a central hub to afford in
such, for example, as the plurality of vertically
termediate delivery apertures, and a plurality of
disposed rods 25 whose upper ends are secured,
foraminous containers depending from edges of
preferably removably, in corresponding spokes l3. 70 the spoke members of the tray to receive the
The location of the said rods 25 is substantially
dehydrating material,
‘
,
at the circumference of the tray 1 I, and their
2. The dehumidifying apparatus of claim 1,
spacing is such as to correspond to the vertices
wherein an opening is provided in the hub.
of an equilateral triangle for engagement at their
3. The dehumidifying apparatus of claim 1,
bottom ends with the bottom of the side walls 75 wherein an opening is provided in the hub and
tainers substantially ?ush with the upper sur
face of tray H. Each container may, also, be
2,403,880
5
a stack member extends upwardly from said
opening.
4. In dehumidifying apparatus; a suspension
member comprising a circular top tray to receive
6
upper frame elements being designed to seat in
the upper surface of the apertured. tray.
10. The dehumidifying apparatus of claim 1,
wherein the containers are cloth bags having
upper resilient and lower rigid frame elements
secured to their tops and bottoms respectively,
said upper frame elements being designed to
intermediate delivery apertures, the hub being
seat in the upper surface of the apertured tray,
provided with a circular opening, and a plural
said resilient frame elements being of spring
ity of foraminous containers depending from
edges of the spoke members of the tray to re 10 wire and having separated and crossed free ends
dehydrating material, said tray affording spoke
members radiating from a central hub to afford
ceive the dehydrating material.
5. Dehumidifying apparatus, comprising a
radially apertured disk to receive dehydrating
material, open support means therefor, a rim
about the perimeter of the disk projecting above 16
its surface, and a plurality of foraminous con
tainers depending from edges of the disk aper
tures to receive the dehydrating material.
‘6. The dehumidifying apparatus of claim 1,
wherein a rim is provided about the perimeter of
20
the tray and projects above its surface.
'7. The dehumidifying apparatus of claim 1,
which are adapted to rest upon the upper sur
faces of the apertured tray upon opposite sides
of the corresponding aperture for the suspended
container.
11. The dehumidifying apparatus of claim 1,
wherein the containers are ?exible cloth bags
supported from the upper surface of the aper
tured tray, and rigid members are retained in
the bottom of the respective bags, and a rigid
frame common to all of the bags is provided
below the same and secured to the respective
rigid members of the bags for maintaining said
bags taut.
12. The dehumidifying apparatus of claim 1,
wherein the containers are flexible cloth bags
25 supported from the upper surface of the aper
tured tray.
tured tray, and rigid members are retained in
8. The dehumidifying apparatus of claim 1,
the bottom of the respective bags, a rigid frame
wherein the containers are of foraminous metal
wherein the containers are of foraminous metal
each having an upper rigid frame element de
signed to seat in the upper surface of the aper
common to all of the bags is located below the
each having an upper rigid frame element de
same and the respective rigid members of the
signed to seat in the upper surface of the aper
tured tray in recesses provided along edges of an 30 bags are secured thereto for maintaining the
said bags taut, and the tray is supported on a
aperture.
plurality of rods, together with the frame for
maintaining the cloth bags taut, the said frame
being slidable longitudinally on the rods.
THOMAS K. TAFT.
cured to their‘ tops and bottoms respectively, said 35
9. The dehumidifying apparatus of claim 1,
wherein the containers are cloth bags having up
per resilient and lower rigid frame elements se
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