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Патент USA US2412577

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Dec. 17, 1946.
(5. J. HARMAN
2,412,577
LIQUID DI SPENS ING APPARATUS
.‘Filed June 26, 1945
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ATTORNEY.
Dec. 17, 1946.
G. J. HARMAN
2,412,577
LIQUID DISPENSING APPARATUS I
Filed June 26, 194sv
L45
2 Sheets-Sheet 2
2,412,577
Patented Dec. 17,1946
UNITED STATES PATENT OFFICE
2,412,577.
LIQUID DISPENSING APPARATUS
Gerald J. Harman, Beverly Hills, Calif., assignor
to Harman Equipment Company, a corporation
of. California
Application June 26, 1943', Serial No. 492,435
2 Claims. (Cl. 222—165)
1
2
My invention relates to apparatus for loading
and transporting barrels and dispensing liquid
Fig. 2 is an enlarged vertical sectional view
taken on. the line. 2:.—-2v of'Figrl.
therefrom, of the character embodied in my co.
Fig. 3/ is a vertical sectional view taken- on
the line 3-—3 of Fig; I.
Fig.4 is: a view showing in side elevation and
pending application, Serial Number 453,055, ?led
July 31, 1942, wherein a liquid dispensing ap
.
partly in section, another form of liquid dis
pensing apparatus embodying my invention.
Referring speci?cally to the drawings and
paratus is mounted on a vehicle and provided
with a suction manifold having inlet spouts for
receiving outlet nozzle of. liquid containing bar
rels, the spouts and nozzle operating when the
barrels are moved to a. carrying position on the
vehicle, to connect the barrels to the suction
particularly to that form- of my invention. shown
inv Figs. 1 to 3, the apparatus is. similar to that
embodied in my aforesaid copending application
manifold so that. liquid may be withdrawn from
the barrels by a pump connected to the suction
in that it comprises a trailer frame F on the
rear end of which are a. pair of supports S and
S1‘ for a pair of barrels B and B1. These supports
manifold, and dispensed. through hoses connected
15 are secured to cradles C‘ and 01- (see broken. lines
with the. pump.
Fig. 1'), and the cradles are in turn. pivoted on
It is a purpose of'my present invention to pro
the rear portion A of the‘ frame F. Thus the
vide a liquid dispensing apparatus which is char
supports S and S1 are pivoted to occupy a barrel
acterized by the provision of valves‘v for controlling
loading position in which they are inclined. to
the withdrawal of liquid from the barrels and
the passage of the liquid into the suction mani 20 the vertical‘ to allow the barrels to be placed
thereon, and a barrel carrying position in which
fold, all in a manner to effect communication be
they and the. barrels are tilted forwardly to the
tween the. barrels and the manifold when the
position shownv in Fig‘. 1-. As also. shown in Fig. 1
former are in carrying position on the vehicle,
shafts T and T1 are mounted in the frame F- and
so that upon operation of the pump liquid can
operatively connected to the supports S and S1
be withdrawn. from the barrels and into the mani
through the link connections disclosed in my co
fold without leakage of the liquid, and without
pending application hereinbefore referred to, so
losing. any of the suction created by the pump
that by manual operation of cranks K and K1
between the barrels and the suction manifold‘.
the supports can be’ individually moved to the
It is also a purpose of my invention to pro—
vid'e'in a liquid dispensing apparatus of the above 30 two positions above described.
Each barrel B or B1 is provided at its forward
described character, nozzles on the barrels hav
end with a discharge nozzle N connected to the
ing valves therein, and spouts on the. suction
barrel by a length. of- pipe l5, one end of which
manifold likewise having valves therein, and the
is threaded into‘ a. lateral. collar l6 formed on
valves in the spouts and nozzles being normally
the nozzle.v As; best shown in Fig. 2, the'nozzle
closed. to prevent accidental discharge of liquid
N comprises a tubular body H the outlet or bot
from the spouts and nozzles, but manually mov
tom end of which is normally closed by a valve
able to open positions to place the nozzle in com
V seated on the lower edge of a sealing gasket G.
munication with the spouts when the former are
This gasket embraces the reduced end portion
inserted into the latter.
N3 of the nozzle body, and at its upper end abuts
A further purpose of my invention is the pro- ,
an annular shoulder E9; on the body in order to
vision in a liquid dispensing apparatus of' the
limit movement of the gasket inwardly on: the
aforesaid character, wherein the. valves of the
suction manifold although urged to closed posi
tion are adapted to be automatically opened when
the nozzles are inserted in. the spouts‘, and con
versely when the nozzles are removed from the
spouts the valves automaticallyvv close.
nozzle;
.
The‘ gasket G is preferably formed of com
' pressible rubber and ‘is: generally'of frusto-conical
form in section for: a major portion of its length,
the lower‘ end of the nozzle being tapered as in.
dicated at 210: to accommodate the tapered. form
of the. gasket, at‘ that point. The gasket may be
I will describe only two forms of liquid dis;
vpensing apparatus, each embodying my invention,
and will then point out the novel features thereof oo formed with an annular ?ange 2|v to facilitate
application and removal: of the gasketv from. the
in claims.
.
nozzle, and also-.to‘limit movement of the gasket
In- the accompanying drawings‘:
inwardly of a spout.
.
Fig. 1 is a view showing in top plan one form
The valve V is provided with a» stem 22' which
of liquid dispensing apparatus embodying my in
extends. upwardly through a sleeve 23-, secured
. vention.
2,412,577
4
3
axially within the nozzle by a spider 24.
The
stem 22 extends upwardly through a second sleeve
25, in the upper end of the nozzle body, a sealing
ring 26 being carried by the sleeve to produce a
?uid-tight seal between the stem and the sleeve.
The stem 22 projects from the top of the nozzle
body and through a disc 21 secured to the nozzle
to provide a conical mouth 55 in which the seal
ing gasket G is adapted to be received and so as
to slightly compress the gasket to have a fluid
tight seal between the spout and the nozzle.
In the operation of the liquid dispensing ap
paratus just described, each barrel is brought to
the horizontal position shown by swinging the
respective support S or S1 to the position shown
in Fig. 1, and in this position of the barrel, the
Within these ears is a pintle 29 on which the hub
30“ of a cam 30 is journaled. Rotatably ?tted in 10 nozzle end is extended in to the spout 5|, the
gasket G being interposed between the spout and
the upper end of the stem 22 is a ball bearing
nozzle to provide the ?uid-tight seal before de
229L so as to be interposed between the cam 30 .
scribed. The valves V and V1 being normally
and the stem to reduce friction and wear and
body top and provided with a pair of ears 28.
facilitate rotation of. the cam by an operating
closed under the action of their respective springs,
arm 3|. This arm 3| is ?xed to the cam at such 15 once the nozzle is extended into the spout, the
valve V may be moved to open position through
a point that the cam will remain in either of the
two extreme positions to which it is adapted to
operation of the cam 30 in the manner previ
be rotated as shown by the solid and broken lines
in Fig. 3.
ously described. With the opening of this valve
it engages the valve V1 and moves the latter
An expansible spring 32 surrounds the valve 20 downwardly to open position against the tension
stem 22 at a point between the sleeve 23 and a
collar 33, the latter being pinned to the stem.
By means of this spring 32 the valve V and valve
stem 22 are urged upwardly in the nozzle, the
valve abutting the lower edge of the gasket G to
close the outlet end of the nozzle, and the upper
end of the stem abutting the smallest radius of
of the spring 54. Thus the two valves are now
open so that upon operation of the pump 38 suc
tion is produced in the manifold M and, in con
sequence, in the head 43, to draw oil from the
barrel through the nozzle and into the head.
From the head the oil passes through the mani
fold to the pump and from the latter to the hose
for dispensing as required.
the cam 38. Thus it will be seen from Fig. 3, that
by movement of the arm 3! from the solid line
When liquid is not being dispensed from either
position to the broken line position, the cam will 30 barrel the cam for either valve V may be re
operate to move the stem downwardly against the
turned to its normal position to allow the springs
tension of the spring 32, and thus move the valve
32 to return the valve V to closed position, and
V to open position in which it is held by the cam.
likewise to permit the springs 54 to return the
As shown in Fig. 1, my liquid dispensing appa
valve V1 to closed position.
Thus, should the
ratus also includes a hose 34 mounted on a rack
nozzle N for any reason be removed from the
35, supported on a pipe 36, suitably secured to
spout 5|, liquid cannot accidentally leak from
the trailer frame. From this pipe 36 a branch
pipe 31 extends to a pump 38 operated by a
motor 33. through gears 40. The pump 38 com
municates with a suction manifold M through a
connection 4|.
The manifold M comprises a. tubular body 42
either the nozzle or the spout.
Referring now to Fig. ‘l, I have here shown
another form of liquid dispensing apparatus
which is similar to the ?rst apparatus herein
secured to the cage so as to ?lter oil in its passage
pin 65 is screw-threaded. This pin is provided
described in that it embodies a barrel B on a
support S, pivoted on the trailer frame F, and a
‘arranged horizontally and transversely on the
suction manifold M secured to the frame. The
barrel at its forward end is provided with a ?t
trailer frame, with heads 43 on the opposite ends
of the body. Each head is preferably of square 45 ting 56 to which is connected a short length of
pipe 51, with the latter connected to an elbow
form and hollow, as best shown in Fig. 2, and its
?tting 58, and such ?ttings and pipe constitute
top is formed with a circular opening to accom
a discharge nozzle N1 for the ‘barrel. The pipe
modate a valve cage K which depends from the
57 contains a butter?y valve V2 on a stem 59
top of the head by the provision of an annular
flange 44 bolted to the head. The bottom wall 50 rotatable in a head 60 by an arm 6| secured to
the stem exterioriy of the head and provided with
45 of the cage is of convex form, and at its apex
it is provided with a guide sleeve 46 in which the
a set screw 62 by which the arm can be secured
against rotation to secure the valve in closed
lower end of the stem 41 for a valve V1 is slidably
position or in any open position of adjustment.
received. The side wall of the valve cage is pro
vided with a series of openings 48, and spanning 55
The outlet end of the nozzle is formed interiorly
these openings is a ?ltering screen 49, suitably
with a spider 63 including a collar 64 in which a
from the interior of the cage through the open
for the purpose of opening a manifold valve, and
may be adjusted in the collar to vary the degree
ings and into the manifold.
The upper marginal edge of the cage K is coun 60 of opening of such valve.
terbored to provide an annular shoulder 50,
The nozzle carries a sealing gasket G1, similar
against which the lower edge of an annular spout
in construction to the gasket G, and abutting a
5i bears. This spout is secured in ?xed position
shoulder 63 on the nozzle to limit its position of
adjustment inwardly on the nozzle.
on the cage by the provision of an annular ?ange
52, through which the bolts for securing the
The suction manifold is provided with a head 61
?ange 44 to the manifold extend. The lower
corresponding to one of the heads 43 of the ?rst
edge of the spout 5| is chamfered to form a seat
form of my invention, and in which head is con
53 for the valve V1, and it is against this seat
tained a cage K1 for a valve V3. This cage is of
‘which the valve is urged by a conical spring 54
the same construction generally as the cage
interposed between the valve and the bottom wall 70 shown in Fig. 2, and is secured within the head
in the same manner. The valve V3 is ?xed on the
‘of the valve cage. Thus it will be seen that the
valve is normally closed by the spring to prevent
upper end of a stem 68 movable vertically in a
the escape of liquid from the manifold as well as
sleeve ‘69 on the bottom wall of the cage K1. A
to prevent intake of air.
~ ‘The. inner periphery of the spout 5| is shaped
spring 10 urges the valve to closed position against
a seat ‘H formed on the inner end of a spout l2.
2,412,577
5
This spout is provided with a ?ange 13 by which
rel having a ?rst valve therein normally closed;
means for urging said valve to closed position; a
upper end of the spout 72 is interiorly tapered
suction manifold having an inlet spout formed
to provide a seat 74 which receives and compresses
with a seat to receive said nozzle when said sup
port is moved to barrel carrying position; means
the gasket G1 to form a ?uid-tight connection be
for sealing the joint between said nozzle and said
tween the spout and the nozzle.
spout seat; a second valve in said spout; means
When the nozzle N1 is extended to the spout
for urging said second valve to close said spout;
12, the pin 65 engages the valve V3 to move the
latter to'open position against the tension of the
and manually operable means on said nozzle for
spring 10, as illustrated in Fig. 4. Thus the nozzle 10 opening said ?rst valve to a position in which it
N1 is placed into communication with the suction
engages and opens said second valve when said
manifold head 61 so that by opening the valve
nozzle is extended into said spout, whereby said
it is secured to the cage ?ange, as shown.
The
V2 and setting the pump into the operation, liquid
barrel is placed in communication with said mani
fold to permit liquid in said barrel to be drawn
for discharge through the hose as described in 15 into said manifold.
connection with the ?rst form of my apparatus.
2. In combination; a barrel having an outlet
Manifestly, when the nozzle is removed from the
nozzle; a support for said barrel movable to cause
will be drawn from the barrel into the manifold
spout the pin 65 disengages the valve V3, to allow
said nozzle to occupy an elevated position and a
lowered ‘position; a compressible sealing gasket
the spring ‘Ill to return the valve to closed posi
tion, and thus the manifold head is sealed against 20 0n and projecting from the free end of said noz
the escape of liquid. Similarly, when the nozzle
zle; a suction manifold beneath said nozzle hav
ing an inlet spout provided with a mouth having
is removed from the spout the valve V2 is manual
a seat in which said gasket is received and com
1y closed to prevent escape of liquid from the bar
pressed when said nozzle is moved to lowered po
rel.
Although I have herein shown and described 25 sition; a first valve at the free end of said nozzle;
means for urging said valve against the projecting
only two forms of liquid dispensing apparatus
end of said gasket to close said nozzle; a second
each embodying my invention, it is to be under
valve engageable with said seat for closing the
stood that various changes and modi?cations may
inner end of said spout; means for urging said
be made therein without departing from the spirit
second valve to closed position; and means for
of my invention and the spirit and scope of the
moving said ?rst valve to and holding it in open
appended claims.
position wherein, it engages and opens said sec
I claim:
ond valve against the action of its urging means.
1. In combination; a barrel; a support for said
barrel movable to occupy a loading position and
G. J. HARMAN.
a carrying position; an outlet nozzle on said bar
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