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Патент USA US2116770

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May 10, 1938.’ ‘
‘ >
2,116,770
‘A. SCILLIA
HYDRANT APPLIANCE
‘
Filed Aug. 5, 1937
1 VENTOR
4%??72 ‘ff/v52"
BY %
/ 5240mm"
,
2,116,770
Patented May 10, 1938 i ‘
. UNITED STATES
PATENT ‘OFFICE
2,116,770
mum‘ APPLIANCE
‘
‘ Anthony“ sauna, Montclair, N. J. H
Application August5, 1937,‘ Serial No. 157,482
‘watts.
(c1. 137—‘13) ‘
‘
~
in connectionwith ?re hydrants of thetype used
in municipal water systems.
open‘ end I! for connection‘with a water supply
.
‘
,
‘
‘
Such‘ hydrants are provided with valves actu
_-, ated by turning a stem-nut which is centrally dis- ‘
posed in, the hydrant ‘,‘top” or ,‘i‘bonnet", the
stem-ynutthreadedly engaging the valve stem. ‘
‘Frequently the valve seat plate “sticks” or
"freezes” to its seat ring, and‘considerable force
I.) ‘must be applied to ireeit. Whensuch force is
applied at the stem-#nut, the‘result is that the
valve stem becomes distorted, as it bears the en
tire strain, and‘in many cases the valve stem has
actually broken away from the other partsgu The
H; danger‘of this condition in a fire hydrant is ob
VlOllS.
‘
‘
‘
The object of tiny invention is to provide anapQ
2O
'
cured, by bolts I‘! or the like, to a similar ?ange
16’ of the hydrant shoe II, the latter having an‘
, , My invention relates, to an appliance for use
pliance‘,which is adapted to immediately andv
effectively release a “frozen” or “stuck” valve seat
plate by a novelfarrangement which doesnot
strain the valve stem and‘permits the application
of all of the force required without danger of
system.
v
i
i
i
‘
ered or raised to open‘ or close the valve.‘ The
valvelZ is arranged on ‘the lower end of the stem
20, said valve ‘comprising a washer unit 22
clamped between clamping plates which have
threaded engagement ‘with each other and are 15
held on the lower end of the valve stem 20 by
nut 25 and lock nut 26. The structure described
in this paragraph is ‘well-known in the art.
The valve I2‘ is further provided with ‘a ‘seat
plate 21 against which the washer unit 22 is ?rm- 20
1y clamped when the valve is closed, said plate
having studs 21' which support a yoke having
straining or distorting the valve parts. The same ‘ vanes 28. The plate 21 is adapted to threadedly
appliance enables the ‘valve seat, plate to be fully engage the ring 42 and normally closes the drains
threaded
to‘ the seat ‘ring to obviate the danger of ‘ SI of said ring, . ‘
2 Cl
‘
.
The plate 21 frequently f‘sticks” or "freezes" t
These and other advantageous (objects, which
leakage.
l,
,
‘
y.
-
,
1‘
part hereof, and in which:
h
,
‘ ‘
Fig. 1 is a vertical sectional view of a hydrant
withits top removed, showing the appliance or
35 my invention in position for actuating the hy
drant valve,
‘
Fig. 2 is a side elevational view of the ‘appliance
of my invention,
Fig. 3 is a transverse sectional view taken on
40 line 3-3 of Fig. 1 in the direction of the arrows,
Fig. 4 isa transverse sectional view taken on
line 4-4 of Fig. 1 in the direction oi the arrows,
Fig. 5 is a perspective view of the lower portion
of the appliance of my invention, and
45
'
.25
,
will later appear, areaccomplishedby the simple,
and practical construction, combination and ar
rangement of, parts hereinafter described and
‘shown in the accompanying drawing, forming
3
p
‘The hydrant‘valve II has an elongated stem 5“
20, the upper, ‘threaded endQZl of which is nor
mally received within a threaded stem-nut 4|
which is normally centrally arranged in and pro
iects above the hydrant cover; by rotating the
stem-nut H the hydrant valve is normally low- 10
.
Fig. 6 is a view corresponding to that shown in
Fig. 3, but of a modified form of my invention.
In Fig. 1 of the‘ drawing, the appliance III of
my invention is shown in engagement with the
valve I2 of the hydrant ll.
'50 The hydrant ll comprises a barrel I3 having
a nozzle N; a “bonnet” or “cover" member is
removably secured to the upper end Id of the
barrel in any convenient conventional manner.
The barrel [3 is provided with a circumferential
55 ?ange £6 at the'lower end thereof which is se
the‘rl'ng 42, ‘with the result that considerable‘
force mustbe applied to free it. When this force
is applied in the usual manner to the stem nut
4| in the hydrant cover, the stem? becomes dis
torted and ‘frequently the vanes 28 become broken
as a" result. The appliance ll! 'of my invention
is designed to quickly relieve the “stuck” or
“frozen" condition without endangering or 35
straining any of the parts.
The valve washer unit 22 seats against the
underside of plate 21; if plate 21 is not fully
threaded to ring 42 a seepage of water occurs be
tween’ plate 21 and ring 42. My invention is 40
designed to relieve this condition by enabling
the plate 21 to be fully threaded to the ring 42
by the ‘exertion of all the force required for this
purpose without straining the valve stem or any
of the other parts.
45
In using my invention the valve stem nut 4i
and the “bonnet" or “cover” of the hydrant are
removed in the usual manner.
The appliance ID of my invention comprises an
elongated hollow tube 3| adapted to he slipped 0
over the valve stem 20, said tube having an en
larged head 32 at the lower end thereof said
head having a squared portion 33 adapted to
register with the squared portion 34 or the valve
stem. The head 32 is provided with a down- 55
2
'
2,110,770
turned portion 36 provided with recesses I4
internally squared portion adapted to register
adapted to register with and receive the vanes 28
of the plate 21. The tube 3| is provided with
means for aligning the same within the barrel ii
and to enable the same to be easily rotated there
with an externally squared portion or the valve
in. Said means may comprise a ring 3'! secured
to the tube by studs 38 or the like, as shown in
Figs. 1 and 3, or, as in Fig. 6, the ring 31 may
be dispensed with and the studs 38 slightly elon
10 gated to serve the same purpose.
its lower end with 'a head having means for. en
gaging vanes of a hydrant valve plate, said head
having an internal non-circular portion adapted
to register with an external non-circular portion
The tube 3i is provided at its upper end with
an open socket 42 provided withan internal ring
43.
The threaded upper end 2| of the valve stem
15 is passed through the ring 43 of socket 42 and
the stem nut 4| which was previously. removed
from the hydrant is then threaded to the end 2|
of ‘the valve stem until said stem nut bears
against the ring 43 and the valve has been ?rmly
20 drawn up and seated. Then by merely turning
the grip member 40 at the upper end of appli
ance ill the plate 21 may be fully threaded to the
ring 42, in cases where there has been leakage
between plate 21 and ring 42, or, where the plate
25 21 is “frozen” or “stuck” to the ring 42, the grip
member 40 is turned in the other direction to
disengage the plate 21 from the ring 42.
After the appliance ID has served its function,
the stem nut 4| is disengaged from the stem 2|,
30 appliance I0 is removed from the hydrant and"
35
'
'
2. ‘An appliance of the character described
comprising an elongated hollow tube provided at
of the valve stem.
~
,
10
3. An appliance of the character described
comprising an elongated hollow tube provided at
its lower end with a head having means for en
gaging vanes of a hydrant valve plate, said head
having an internal non-circular portion adapted 15
to register with an external non-circular portion
of the valve stem, said tube being provided with
peripheral means for engaging the inner walls
of hydrant barrel, to align the same therein and
enable the same to be easily rotatedtherein.
,
20
4. An appliance of the character described
comprising an elongated hollow tube provided at
its lower end with a head having means for en
gaging vanes of a hydrant valve plate, said head
having an internal non-circular portion adapted 25
to register with an external non-circular portion '
of the valve stem, a ring of slightly less diameter
than the interior of a hydrant barrel secured to
said tube for aligninglthe tube within the hy
drant barrel and for enabling the same to be 30
the “bonnet” or “cover” member (with the stem
easily rotated therein. 7
nut) replaced; by turning the stem-nut the valve
may be re-seated in the hydrant in the usual
5. An appliance of the character described
comprising an elongated hollow tube provided at
manner.
its lower end with a head having means for en'
The foregoing description is to be regarded as
descriptive and illustrative only and not as re
gaging vanes of a hydrant valve plate, said head
‘having an internal non-circular portion adapted
strictive v of or limitative of the invention, of
to register with an external non-circularkportion
of the valve stem, and studs radially secured to
said tube foraligning the tube within a hydrant
barrel and for enabling the same to be easily ro 40
which obviously many modi?cations may be made
embodying the invention and without departing
40 from the spirit and scope of the invention as set
forth in the annexed claims.
Having thus described my invention, what I
claim as new and desire to secure by Letters Pat
ent, is:
45
stem.
.
1. An appliance of the character described
comprising an elongated hollow tube provided at
its ‘lower end with. a head having a downturned
portion provided with recesses adapted to regis
ter with and receive the vanes of a hydrant valve
plate, and gripping means at the upper end of
said tube for turning the same to engage the
vanes and actuate the plate, said head having an
tated therein.
>
i
6. An appliance of the character described
comprising an elongated hollow tube provided at
its lower end with a. head having means for en
gaging vanes of a hydrant valve plate, said head 45
having'an internal non-circular portion adapted
to register with an external non-circular portion
of the valve stem, an open ring secured within
the tube at the upper end thereof and an open
socket above said ring adapted to receive a mem 50
ber for engagement with said stem and ring.‘
ANTHONY SCILLIA.
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