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Dec.3, 1946.
,
Hfe. GRASS
- 2,411,964
?AUTOMATIC SPRAYER
Filed Sept. 26, 1944
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Dec; 3, 194-6.
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H. G. GRASS
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AUTOMATIC SPRAYER
Filed ?Sept. 26, 1944 "
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2,411,964
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2 Sheets-Sheet 2
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Attorneys
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Patented Dec. 3, 1946
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2,411,964
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2,411,964
' AUTOMATIC sPnArER
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Henry George Grass, Dinuba, Calif?.
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Application September 26, 1944, Serial ?No. 555,835
2 Claims. (Cl. 299?37)
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able ?exible connections 23 extend from outlets
This? invention relates to an?automatic sprayer
in the pipe 24 to spray nozzles 25 of any desired
and more particularly to a device 'for spraying
trees and the like, as in orchards.
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type.
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Nozzles 25 are secured to pipe 20 as by clamps
A primary object ofthis' invention is the pro
vision of an improved automatic sprayer- pro
vided with a plurality of oscillatory ?nozzles,
which may be ?mechanically oscillated to provide
generally indicated at 26.
complete and effective coverage of the tree or
trees being sprayed.
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- 1'An additional object'is the provision in vsuch .
.a device of improved means whereby theiangle
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Clamps 2B are, as best shown? in Figure 3, each
comprised-of a pair of plates 21 and 28. Plate
?21,- is as best shown in ?Figure 4 provided with'a
pair of? arcuate-grooves 29 adjacent its, periphery
through which extend bolts 30 which ?likewise
extend ?through suitable apertures in plate 28,
adapted to be secured in position as by'nuts 3i,
of the nozzle relative to? the spray apparatus may I
thus'providing a releasable connection between
be readily adjusted.
the two plates'2l and-28, whereby upon loosening
' Still? further objects reside in the combina
of the nuts 3| the two plates may be rotated
with respect to each other. A bracket 32pm
~vided with suitable apertures there?irough is
tions of elements, arrangements of parts, and
features of construction, all as'will be more fully
pointed out hereinafter; and disclosed in the
accompanying drawings, wherein there is shown
a preferred embodiment of this inventive con
?secured as by bolts or screws 34 to plate 21 and
is adapted to surround a portion of nozzle 25 in
order to secure the same-in relatively rigid re
cept.
lated assembly with plate 21.
In the drawings:
Secured to the underside of plate 28, is a strap
Figure 1 is a rear elevational plan view of a
iron vt5 interposed between plate 28 and a sup
truck or the like having one form of automatic
porting member 36, plate 28, iron 35 and sup
spraying apparatus including features of the in
25 port 36 being secured together as by bolts 38
stant invention mounted thereon.
passed through suitable apertures therein, and
Figure 2 is an enlarged detail view of one of
countersunk so as to be ?ush with the upper
the nozzles and the mounting means therefor
surface of plate 28, and nuts 39. Supporting
comprising a feature of this invention.
member 36 is provided with a longitudinally ex
Figure 3 is an enlarged side elevational view
of the mounting means disclosed in Figures 1 30 tending semi-circular groove 40 in its base cor
responding with a similar groove M in a clamp
and 2.
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ing member 42 adapted to be secured to'member
Figure 4 is a top plan view of the detail shown
35 as by bolts 43. A supporting rod 45 is adapt
in Figure 3.
ed to pass through the cylindrical bore formed
> Figure 5 is a sectional view taken substantially
along the line 5?5 of Figure 4 as viewed in the : of grooves 40 and 4|, in such manner that the
plate assembly and its associated supporting
direction indicated by the arrows.
members are free to pivot thereabout. The
Figure 6 is an enlarged sectional view taken
bracket assembly is held in position on rod 45, as
substantially along the line 6-6 of Figure 5.
by means of collars 46 and washers 41, collars
Like reference numerals refer to like parts
40 46 being secured on rod 45 as by means of set
' throughout the several views of the drawings.
screws 48.
Having reference now to the drawings, and
The opposite end of rod 45 terminates in a, cir- ~
more particularly to Figure 1, there is generally
cular clamp 50 having projecting lugs 5! through
indicated at I!) a truck body comprised of a con
suitable apertures 52 in which is adapted. to be
ventional frame II and including a rear axle l2
and driving wheels I3, as well as the other ele 46 passed a locking bolt 53 and nut 54, clamp 59 be
ing adapted to be positioned around pipe 20.
ments of such a vehicle of conventional con
From the foregoing it will now be seen that the
struction, (not shown). Mounted on the truck
nozzles 25 may be adjusted angularly, in a hori
frame H is a storage tank l5 adapted to certain
zontal plane with respect to pipe v20, by virtue of
suitable spray fluid, a pump l6 of any conven
the adjustable feature of plates 2'! and 28, and
tional design, and a driving motor ll, including
that the nozzles and their associated assemblies
a drive shaft l8, likewise of conventional design.
are free to oscillate in a vertical direction, by
An outlet pipe 20 extends from a suitable out
virtue of the pivotal connection of rod 45 with
let 2l extending from the storage tank I5 up
wardly in vertical alignment with the truck body
l0 and terminates in a closure cap 22.
Suit
65
the plate assembly 26.?
Referring back now to strip iron 35, it will be
2,411,964
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seen, as best shown in Figures 4 and 5, that the
From the foregoing it will now be seen that
there is herein provided? a device accomplishing
all the objects of this invention and others in
same is twisted as at 66 from a horizontal to a
vertical plane. Secured to vertical portion 60 as
by suitable bolts 6! are vertically extending sec
tional iron strips 62, each provided with a plu
rality of holes or apertures 53 therefor to permit
cluding many advantages of great practical util
ity and commercial importance.
As many embodiments may be made of this in
ventive concept, and as many modi?cations may
adjustment as may be required. ' The lower ends
of strips 62 are secured as by pivots 65 to a bell
be made in the embodiments hereinbefore shown
crank lever 66 pivotally mounted as by a'pivot
and described, it is to be understood that all
61 on pipe 20. It will now be seen that pivotal 10 matter herein is to be interpreted merely as il
movement of bellcrank member 66, occasions
lustrative and not in a limiting sense.
f Tvertical reciprocatory movement of members 62 _
v"and consequent oscillatory movement of nozzles
25, it here being pointed out that any desired
I claim:
1. In a mounting for a nozzle adapted to be
-> mounted in a pipe connected to a, source of ?uid,
number of nozzles 25 and their related mounting 15 means for mounting said nozzle for oscillation in
a vertical plane with respect to said pipe, and
opposite sides thereof, all those nozzles on any
means .for varying the angular relation of said
one side of the pipe being operated by one of
nozzle to said pipe in a horizontal plane, said
irons 62.
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last-mentioned means including a pair of plates,
The means for oscillating the nozzles through 20 one of said plates being secured to said nozzle,
bellcrank member 66, include an extending por
and the other of said plates being secured to
tion 68 of the member to an extremity of which
said mounting means, and means for varying the
relative position of said plates with respect to
is pivotally secured as on a pivot 69 an arm 18
each other in a horizontal plane.
the opposite end of which is pivotally secured
assemblies, can be mounted on pipe 20, and on
as on a pivot ?H to a timing?disk 1.2 rotatably
mounted on and secured to the drive shaft l8
of motor ll. Thus it will be seen that as the
motor turns over the disk 12 is rotated, and arm
2. In a mounting for a nozzle adapted to be
mounted in a pipe connected to a source of ?uid,
means for mounting said nozzle for oscillation in
a Vertical plane with respect to said pipe, and
means for varying the angular relation of said
nozzle to said pipe in .a horizontal plane, said
last-mentioned means including a pair of plates,
one of said plates being secured to said nozzle,
and the other of said plates being secured to said
mounting means, means for varying the relative
?H consequently moved thereby to provide oscil
latory movement of bellcrank lever 65.
Means are also provided for varying the speed
of oscillation of the nozzles 25, such means tak
ing the form of a plurality of holes 13 through
timing disk '12 and spaced at varying distances
from the periphery thereof. Thus it will be seen
position of said plates with respect to each other
in a horizontal plane, and means for securing
said plates in adjusted position with respect to
each other.
that according to the hole or aperture 13, in
which pivot ?H is seated, and the corresponding
distance from drive shaft l8 of pivot ?H being
thus determined, the speed of oscillation of the
nozzles will be varied as desired.
HENRY GEORGE GRASS.
40
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