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06f. 8, 1946.
F, J.' LA MERE
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¿2,409,048
,WATER CLOSET
Filed April 10, 1944
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Frank La'èâarev
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2,409,048
WATER CLOSET
Filed April l0, 1944
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Inventor
Prank, LaMere
'2,409,048
Patented Oct. 8, 1946
UNITED STATES PÀTENT OFFICE
2,409,048
WATER CLOSET
Application
Frank J. _April
La Mere,
10, 1944,
Minneapolis,
Serial No. 530,315
7 Claims.
l
(Cl. 4--215)
2
My invention Vrelates to water closets and has
For the purpose of illustrating my invention,
for an object to provide a ventilated water closet
I have shown in Fig. l an ordinary water closet
adapted to be operated upon depression of lthe
seat thereof.
An object of the invention resides in provid
indicated in its entirety by the reference numeral
Il). This water closet comprises the usual ‘bowl
II having a flush pipe I2 connected to the same
at the rearward portion thereof. The upper por
tion of the bowl I I is provided with Va rim I3 on
which is adapted to rest a seat I4. In conjunc
ing a device which can readily be installed in the
flush tank of an ordinary water closet.
A still further object of the invention resides
tion with the seat It is provided a, cover I 5. Both
in providing a device which can be readily at
tached to the stack to which the water closet is 10 the seat If'. and cover I5 are hingedly mounted on
a hinge structure IS, to be presently more fully
connected.
described. The waste pipe from the >bowl II has
Another object of the invention resides in pro
not been shown, but leads to a stack Il situated
viding an injector for causing circulation of air
within the wall I8 of the building in which the
through the water closet, and in further provid
ing a valve mechanism for controlling the flow 15 water closet is arranged. This stack is usually
of air and other gases.
Another object of the invention resides in pro
situated rearwardly of the bowl Iû and the same
has been so illustrated in this application.
viding a control valve operated through depres
sion of the seat, for actuating said injector.
In connection with the bowl I I, a rflush tank vIS!
is provided which is supported on the wall I8.
A still further object of the invention resides 20 This Hush tank has a bottom 2l, a back 22 and
other lateral walls 23, being open at the top. The
in providing an air valve for controlling the pas
said tank is closed by means of a closure 24 of
sage of air and in further providing means oper
any suitable construction which merely rests upon
ated by the water pressure and controlled through
the upper edge 25 of the said ñush tank. The
the action of said control valve for operating the
25 flush pipe I2 is preferably in the form of an
air valve.
elbow and is connected to a pipe ñtting 25 which
Another object of the invention resides in uti
is attached to the bottom ZI of the tank `and
lizing a diaphragm for operating the air valve.
which is in turn connected to a vertically extend
A feature of the invention resides in providing
ing pipe 2'I disposed within the interior of the
`resilient means for closing the air valve and in
utilizing the water pressure for moving the air 30 tank. This pipe terminates at its upper end in
a valve seat 23 on which is adapted to be seated
valve into open position.
the usual flush valve 2S. Connected to the pipe
Other objects of the invention reside in the
2l is an overñow pipe 3|, the upper end 3i! of
novel combination and arrangement of parts and
which is open and communicates with the space
in the details of construction hereinafter il
35 32 within the interior of the flush tank and which
lustrated and/or described.
is disposed above the level of the water desig
In the drawings:
nated by the reference numeral 33. When the
Fig, 1 is an elevational view, partly in section,
valve 29 is closed, the space 32 is in direct com
illustrating a water closet embodying my inven
munication with the interior of the bowl II
tion.
Fig~ 2 is a fragmentary plan sectional view of 40 through >the overflow pipe 3l, the pipe 21 and the
flush pipe I2, whereby ventilation may be pro
the seat and seat hinge and associated structures
cured from the interior of the bowl to the space 32.
shown in Fig. 1 and drawn to a greater scale.
For the purpose of providing water for operat
Fig. 3 is a fragmentary elevational sectional
ing the flush tank I9, a water pipe 34 is employed
view taken on line 3--3 of Fig. 2.
45 ywhich is connected to the usual valve mechanism
Fig. 4 is a plan sectional view taken on line
in the ñush tank which is operated by the usual
4-4 of Fig. 1 and drawn to a greater scale.
iioat and controls the flow of water into the flush
Fig. 5 is an elevational sectional view taken _on
tank. Such construction being well known in the
line 5_5 of Fig. 4.
art and forming no particular feature of the in
In the construction of ventilated water closets, 50 vention, has not been shown in the drawings.
one of the serious objections has been the flow of
Within the space 32 in the flush tank I9 is
mounted a Ventilating device 35 which is shown
air through the closet when the same'is not in
in detail in Fig. 4. This device includes a case
use, causing a continual draft through the closet
3E which is provided with a passageway 3l extend
and consequent loss of heat. The present inven
tion overcomes this difñculty by providing a water 55 ing through the same from end to end. One end
of the passageway 3l is threaded as designated
closet in which the air outlet to the stack is closed
at 38, to receive an end of a large nipple .39, the
when the water closet is not in use.
2,409,048
3
4
other end 4| of which is screwed into the stack
to open position. The valve is normally urged
into closing position by means of a compression
coil spring 19 which is seated at one end against
said valve and at its other end against the outer
sageway 31 into communication with the space 5 face of the block 65 :being received in a groove
8| formed in said block. The space formed with
32 in the flush tank I9. The device 35 is sup
in the conical depression 12 and lying between
ported through the nipple 39 and a tight con
the diaphragm 1I and the block 65, which is
nectionis made between the ñush tank I9 and
designated by the reference numeral 88, com
said device by means of a gasket 43 located be
municates with a passageway 82 extending
tween the back 22 and the end of the case 36.
through both the block 65 and case 36, which,
Formed in the passageway 31 adjacent the
in turn, communicate with the passageway 53 in
.holes 42 is a valve seat 44. A valve head 45,
said case. It will readily become comprehended
mounted on a valve stem 46, is slidable within
that when the valve 58 is opened to cause the
the passageway 31 to engage said seat 44 and
obstruct the flow of gases through the passage 15 flow of water into the Ventilating device 35, that
part of the water flows through the passageway
way 31 or to move away from said seat suffi
82 and into the space 88 and forces the diaphragm
ciently to uncover the holes 42 and allow the
1I into the depression 18. This moves the valve
ñow of gases through said passageway. The
45 past the holes 42 and brings the interior oi
method of supporting and operating the valve,
the passageway 31 into communication with the
45 will be presently described in detail.
space 32 in flush tank I9. At the same time, water
Extending across the passageway 31 and adja
is forced through the nozzle 49 and flow of air is
cent the end of the case 36 in which the threads
induced in the nipple 39 which draws the gases
38 are formed is a bridge or divider 41 which is
from the bowl II and discharges the same into
best shown in detail in Fig. 5. This bridge has
stack I1. When the valve 58 is closed, the pres
issuing outwardly from it a boss 48 which is
sure of water in the space 88 is cut off and the
threaded to receive a nozzle 49. Nozzle 49 is pro
spring 19 gradually moves the valve 45 toward
vided with a discharge opening 5| which is di
the seat 44. As this occurs, the water in the
rected axially along the interior of the nipple 39.
space 88 is discharged through the nozzle 49 and
The opening 5I communicates with a longitudi
into the nipple 39 from which it flows by gravity
nal passageway 52 formed in the bridge 41 and
into the stack I1.
which, in turn, communicates with a transverse
passageway 53 formed in said bridge. A tube
The hinge structure I6, previously referred to,
connection 54 is screwed into the case 35 and has
includes two brackets 83 which are attached to the
bowl II at the rearward portion of the rim- I3
attached to it a tube 55 which communicates with
the passageway 53. The tube 55, as shown in 35 thereof. A pintle 84 extends through these brack
Fig. l, is connected to another tube connection
ets. Mounted on the pintle 84 are pairs of arms
56, which, in turn, is connected to an elbow 51.
85 and 86 which are attached to the seat I4 and
Elbow `51 is connected toI a valve 58, which, in
the cover I5, respectively. By means of these
turn, is connected through a nipple 59 with a
arms, the seat and cover may swing from open
T 6I connected in water pipe 34. It will thus 40 to closed position in the customary manner. One
‘be seen that when the valve 58 is opened, water
of the arms 85 namely, the one situated on the
ñows through the tube 55 and through the nozzle
same side of the seat as the valve 58 is constructed
5I, causing a spray to flow in the nipple 39. This
with a hub 81 through which the pintle 84 ex
induces a flow of air through the passageway 31
tends. This hub is held immovable relative to the
when the valve 45 is in open position and draws 45 pintle 84 by means of a set screw 88, illustrated in
air from the interior of the bowl II through the
detail in Fig. 2. Mounted on the end of the pintle
84 exteriorly of the bracket 83 adjacent hub B1
ilush pipe I2, the overflow pipe 3| and the venti
lating device 35 and discharges the same into
is a collar 89 which is secured to said pintle by
I1.
The case 36 has a number of circumferen
tially arranged holes 42 in the same, best shown
in Fig. 1, which bring the interior of the pas
Y the stack I1.
means of a set screw 9|.
The collar 89 and the
The case 36 of the Ventilating device 35 is pro 50 hub 88 deprive the pintle 84 of axial movement
and hold the seat I4 and cover I5 in place. Out
vided at one end with a cylindrical block 65. This
wardly of the collar 89, above referred to, is pro
block is attached to the case by means of screws
vided a depending arm 92 which is constructed
with a hub 93 similar to the collar 89 and through
case and which are screwed in said block. The
valve stem 46 of valve 45 is guided for axial move 55 which the pintle 84 extends. This hub is rotat
able on the pintle 84 and is held in position on the
ment in a guide 68 which is screwed into the cen
end of the pintle by means of a collar 94 which is
ter of the block 65. A stufñng box 69, associated
secured to the end of said pintle by means of a set
with the guide 68, prevents leakage past said
screw 95. `The arm 92 is connected by means of
guide. The end of the valve stem 46 extends
beyond the guide 68 and passes through a dia 60 a link 96 with an arm 91 which operates the valve
58. The valve 58 has not been shown in detail,
phragm 1| which is received within a conical de
though it can readily be comprehended that a
pression 12> formed in the block 65. The dia
valve with a rotatable valve member or with a
phragm 1I is disposed between two disks 13 and>
depressible valve member can be employed and
14 mounted on the stem 46 which are clamped
together by means of a nut 15 screwed upon the 65 that the arm 92 can be made to operate either
form of valve. The valve 58 is maintained in clos
end of the stem 46. In this manner, the dia
- 66 which pass through a flange 61 formed on said
phragm 1I is rigidly attached to the stem 46.
The outer edge of the diaphragm 1| is clamped
in position between the outer marginal portion
ing position by means of a tension coil spring 98
which is attached to an arm 99 movable with the
valve member of said valve and which spring is
of the block 65 and a cap 16 which overlies said 70 also attached to the water pipe 34. This spring,
in addition to urging the valve 58 into closing po
block and which is secured thereto by means of
sition, also serves to hold the seat I 4 above its
screws 11. Screws 11 extend through the cap 16
lower position, as shown in Fig. l, by a construc
and are threaded into the block 65. The cap 16
tion now to be described.
has a conical'depression 18 in it in which the dia
phragm 1I is received when the valve 45 is moved 75 Formed on the collar 89 of arm 85 is a lug I8I
n
2,409,048
6
having a shoulder Iû2. Similarly formed on the
hub 93 of arm 92 is another lug Iil3 having a shoul
der IE6. The shoulder IâZ is adapted to engage
the shoulder IM when the seat is disposed in the
position shown in Fig. 1. When said seat I@ is
ing a gas passageway between said bowl and
stack, a valve in said passageway, motive means
having an expansible chamber and including a
diaphragm, means for connecting said expansible
chamber to said water supply pipe and means for
depressed, the arm 92 is caused to move with it
connecting said diaphragm to said valve.
4. In combination with the bowl, stack and
and the valve 58 is opened. It will be noted that
the lugs Iii! and IGS are of such dimensions that
the shoulders on the opposite sides thereof do not
come in contact with one another when the seat
I4 is raised. In this manner, the valve 58 re
water supply pipe of a water closet, means form
ing a gas passageway between said bowl and
stack, a valve in said passageway, motive means
having an expansible chamber and including a
mains closed when the seat is moved from fully ~
diaphragm, means for connecting said expansible
open position to that shown in Fig. 1, and is only
opened when the seat Ill is depressed below such
chamber to said water supply pipe, means for
connecting said diaphragm to said valve to pro
position.
cure movement of the valve into open position
To prevent leakage of air between the seat ifi
and the bowl II, a gasket |55 is attached to the
and resilient means for moving said valve into
closing position.
under side of the seat which engages the upper
5. In combination with the bowl, stack and
surface of the rim I3. Likewise, a gasket 108 may
water supply pipe of a water closet, means form
be placed between the cover 24 and the flush 20 ing a gas passageway between said bowl and
tank I9.
stack, a valve in said passageway normally closu
The use of my invention is manifest. When
ing said passageway, resilient means for urging
the water closet is out of use, Valve 58 is closed
said valve into closing position, motive means
and, likewise, valve 45, so that neither air nor
having an expansible chamber and including a
water passes through the Ventilating device.
When the occupant sits on the seat I4, the same
is depressed and the valve 58 is opened. This
diaphragm, means for connecting said expansible
chamber to said water supply pipe, means for
connecting said diaphragm to said valve to pro»
causes the operation of the Ventilating device 35
and valve 45 is opened and the flow of air to the
cure movement of the valve into open position
and against the action of the resilient means, an
said Ventilating device is produced by the nozzle 30 injector connected to said water supply pipe and
49. As soon as the occupant leaves the seat I4,
causing a draft through said passageway, a single
spring 98 raises the seat and closes the valve 58.
The advantages of my invention are manifest.
The device is extremely simple in construction
and can be readily installed on existing closets
without appreciable expense or alteration thereof.
With my invention, both the air and the water
are shut off when the toilet is not in use, so that
undesirable drafts and waste of water are pre
water valve for operating said injector and mov
ing said diaphragm, said diaphragm, through the
action of said resilient means, discharging the
water in said expansible chamber through said
injector upon closure of the water valve.
6. In combination, a case having a longitudi
nally extending gas passageway therethrough,
means intermediate the ends of said passageway
My invention can be manufactured at 40 forming a valve seat, a valve member movable
a nominal expense, so that the same may be read
along said passageway and adapted to be seated
ily applied to water closets without materially in
upon said valve seat, means having an expansible
creasing the cost thereof.
chamber and including a movable member oper
Changes in the speciñc form of my invention, as
able within said chamber for moving said valve
herein described, may be made within the scope
member, a branch air passageway extending
of what is claimed without departing from the
through said case between said valve seat and
spirit of my invention.
said expansible chamber and communicating with
Having described my invention, what I claim as
said longitudinally extending gas passageway, a
new and desire to protect by Letters Patent is:
water passageway in said case communicating
1. In combination with the bowl, stack and wa 50 with said expansible chamber and a nozzle com
ter supply pipe of a water closet, means forming
municating with said water passageway and sit~
a gas passageway between said bowl and stack,
uated within said gas passageway on the side of
a valve in said passageway, an injector connected
said valve seat opposite said expansible chamber,
to said water pipe for procuring a draft through
said nozzle inducing the flow of gas through said
said passageway, means including an expansible
gas passageway, the pressure of the water in said
iiuid chamber connected to said water pipe for
water passageway actuating the movable mem
operating said valve and means for causing the
ber in said expansible chamber and procuring
simultaneous opening of said valve and operation
opening of said valve to admit gas through said
of said injector.
transverse passageway and into the longitudinal
2. In combination with the bowl, stack and wa
passageway.
ter supply pipe of a water closet, means forming a 60
7. In combination with the bowl, stack and
gas passageway between said bowl and stack, a
water supply pipe of a water closet, means form
valve in said passageway, an injector connected
ing a gas passageway between said bowl and
to said water pipe for procuring a draft through
stack, a valve in said passageway including a
said passageway, means including an expansible
movable valve member, said valve member nor
fluid chamber connected to said water pipe for
mally obstructing the flow of gas through said
operating said valve and a valve connected to said
passageway, a pressure responsive movable mem
water supply pipe at a. locality between the wa
ber adapted to be operated by the pressure of
ter supp1y pipe and both said injector and eX
the water in the supply pipe, and a part con
pansible fluid chamber and simultaneously con
nected
to said valve member and pressure re
70
trolling the flow of water to both said injector
sponsive movable member and adapted, upon
and said expansible chamber.
movement of said pressure responsive movable
3. In combination with the bowl, stack and
member, to open said valve.
water supply pipe of a water closet, means form
FRANK J . LA MERE.
vented.
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