close

Вход

Забыли?

вход по аккаунту

?

Патент USA US2409123

код для вставки
06:, g,‘ 1%.
' R, L, HARRAL
2,409,123
COMBINATION CULTIVATOR AND ROW THINNER
Filed April 5, ;94s
l!‘ I
\
'
T1 w:
1
a
2
_
A.
~
49
‘
1 “hi
;
2 Sheets-Sheet 1 V
f
~
/
‘ 20/7
4
.
V
Inventor
$055541. L. AQA’RAL
Get. 8, 19.46.
{2. 1.. HARRA-L
2,409,123
COMBINATION CULTIVATOR AND ROW THINNER
Filgd April 5, 1945
'2 Sheets-Sheet 2
Patented Oct. 8, 1946
. ' UNITED
‘2,409,123
STATES
PATENT
OFFICE
2,409,123
COMBINATION CULTIVATOR AND ROW
THINNER
_
>
Russell L. Harral, Jonesboro, Ark.
Application April 5, 1945, Serial No. 586,692
5 Claims.
1
My invention relates to improvements in com
(01. 97-12)
2
the cultivator shovels 8 out of the ground as oc
bination cultivators and row thinners for culti
vating and thinning row crops.
casion may require. The tongue 5 is connected
to the beams l by evener means including springs
The primary object of my invention is to equip
a cultivator, or plow, of the wheel-supported,
9 tending to swing said beams downwardly to fa
cilitate cultivating, as will be understood. The
beams l are provided with inwardly extending
straddle-rowv type, with ef?cient mechanism of
simple form and inexpensive construction oper
rear end crossheads ill having longitudinally
spaced square sockets ‘H therein for receiving
ative, as the cultivator, or plow, travels along
the rows, to thin out the rows and hoe the same
the shanks l2 of the cultivator shovels 8, which
crosswise, whereby time and labor may be saved 10 shanks may be selectively ?xed in said sockets to
in thinning out and hoeing rows crops.
vary the spacing between the shovels 8. The
Another object is to provide mechanism for
shoveis 8 are mounted on the shanks 52 by the
the purpose above set forth adapted for attach
usual spring trip rigs indicated at l3. The beams
ment to wheel-supported, straddle-row cultiva
l’ carry the usual handles l4.
tors of commerce without necessitating extensive
According to my invention, a skid frame I5 is
alteration in the cultivators, and which may be
provided between the beams l to straddle a row,
readily detached when it ‘is desired to use the
as illustrated in Figure 5, straddled by the culti
cutivator alone.
vator !, said frame being of elongated form and
Other and subordinate objects, also compre
arranged to travel endwise with its rear end
hended by my invention, together with the precise 20 spaced forwardly of the cultivator shovels 8 and
nature of my improvements and the manifold
its front end substantially in vertical alignment
advantages thereof, will be readily understood
with the axle bar 4 for a purpose presently seen.
when the succeeding description and claims are
The skid frame 15 may take various forms, but
read with reference to the drawings accompany
is preferably of rod-like skeleton construction
ing and forming part of this speci?cation.
In said drawings:
Figure 1 is a view in vertical longitudinal sec
tion illustrating my invention in a preferred em
bodiment thereof,
25 with a pair of closely spaced top, longitudinally
extending members l6 connected by horizontal
end cross members Hi’ from which depend front
and rear pairs of downwardly diverging termi
nal legs I l for straddling a row R and which ter
30 minate in flattened vertical lower end ears l8
Figure 2 is a View in plan,
Figure 3 is a detail view in longitudinal ver
and are connected intermediate their ends by a
tical section taken on the line 3-—3 of Figure 2
pair of front and rear cross members I9. A pair
of longitudinally extending guards 2|] of knife
and drawn to an enlarged scale,
Figure 4 is a view in transverse section taken
blade form with lower knife edges 2| are bolted
on the line 4-4 of Figure 3,
35 to the ears l8, as at 22, to extend along opposite
Figure 5 is a view in rear elevation of the skid
sides of the frame I‘5 in straddling relation to
frame and parts carried thereby drawn to a
the row R. Front and rear pairs of short skids,
further enlarged scale.
or runners, 23 are provided at the front and rear
Reference being had to the drawings by numer
ends of the frame l5 for riding along the ground
als, my invention has been shown therein, in illus_ 40 above the knife edges 2! of the guards 20, said
skids 23 having upturned ends 24 to facilitate
trating a preferred embodiment thereof, as form
ing part of the equipment of a wheel-supported,
travel of the skids over the ground and being
adjustably secured to the guards 20 by upstand
straddle-row cultivator of commerce which need
merely be described brie?y, since such cultivators
ing lugs 25 on said skids and bolt and slot con
nections 26 for attaching said lugs 25 to said
are well known and understood in the art.
guards 20 so that the skids 23 may be adjusted
The cultivator l comprises a pair of ground
vertically for a purpose presently seen.
wheels 2 rotatably mounted on stub axles 3 of an
A driven shaft 21 extends horizontally and cen
upwardly arched axle bar 4 from the upper and
trally through'the frame I5 in the longitudinal
central portion of which a draft tongue 5 extends
forwardly and is pivotally attached thereto, as 50 center thereof with its rear end mounted in a
represented at 6. A pair of cultivator-carrying
suitable bearing 28 on the cross member 19 at the
rear end of the frame l5, and its front end ex beams ‘I extend rearwardly from the axles 3 with
tending through a suitable bearing 29 on the
front ends thereof pivotally mounted, in a man
cross member l9 at the front end of said frame.
ner which will be understood, on said axles so
that the beams ‘I may be swung upwardly to lift 55 V-shaped bearings 30 depend from the members
2,409,123
3
4
to engage the ground when the cultivator shovels
8 have penetrated the ground. In this connec
tion, and by virtue of the sliding ?t of the stud
38 in the socket I I, the frame l5 may ride up and
down a limited distance as operating require
ments may obtain. Also, the frame l5 may be
lifted off the ground when the beam 1 to which
it is connected, or attached, is swung upwardly
l6 at suitable points and support said shaft 21
intermediate the ends of the shaft. A set collar
21' on the shaft 21 behind the bearing 29 pre
vents forward movement of said shaft 21 in its
bearings. A revolving thinner hoe 3| is mounted
on the shaft 21 at any suitable location on said
shaft and which comprises a hub 32 adapted to
be ?xed to said shaft 27 by a set bolt 33, a pair
and lowered with said beam 1 so that the hoe 3|
of diametrically opposite spider arms 34 extend
ing from said hub 32 and terminating in a pair 10 assumes operating position along with the culti
vator shovel 8. By disconnecting the sprocket
of hoe blades 35 of ?at form and disposed cross
chain 41 and lifting the stud 33 out of its socket
wise of said arms 34. Above the hoe 3| a suit
H, the frame l5 and parts carried thereby may
able channel-type cleaner 36 for the hoe blades
be detached from the cultivator l.
35 is mounted on the members I6 in any suitable
The foregoing will, it is believed, su?ce to im
manner, the arrangement being such that said
blades 35 revolve through said cleaner 35 and
part a clear understanding of my invention with
out further explanation.
Manifestly, the invention, as described, is sus
ceptible of modi?cation both as regards details of
accumulated earth caked on the hoe blades 35 is
scraped off the same by said cleaner 36.
The described frame It, with the parts carried
thereby, is designed to be detachably attached to 20 construction and combinations of parts, without
departing from the inventive concept, and right
one of the crossheads l6 and to be pushed along
is herein reserved to such modi?cations as fall
the ground by means of a pusher arm 3"‘ having
within the scope of the appended claims.
a depending rear end, square stud 33 slidably ?t
What I claim is:
ting downwardly in one of the sockets ii of said
1. The combination with a wheel~supported
arm Ill and a depending front end head 39 se 25
straddle-row cultivator including a pair of trail
cured by means of bolts 40 in a channeled mern~
ing shovel-carrying beams, of a skid frame inter
ber 4| extending crosswise of the members it and
suitably secured on top thereof in the transverse
mediate said beams for straddling a row being
cultivated and adapted to travel over the ground,
suitably angular form to dispose the head 39 in 30 ground-engaging skids on said frame for support
ing the same, a combined row-thinning and hoe
the median plane of the frame it for a purpose
ing element mounted in said frame to travel over
which will be apparent.
'
the row and be revolved crosswise of the row,
A drive is provided between one of the ground
center of the frame H5. The pusher arm 3? is of
wheels 2 and the driven shaft 21 comprising the ' means to revolve said element operative by a
following: A sprocket Wheel 42 is suitably ?xed 35 wheel of the cultivator, and means to detachably
attach said frame to one of said beams to travel
on the hub of said ground wheel 2 and connected
in advance of the shovel carried by the beam.
by a sprocket chain 43 with a smaller sprocket
2. The combination with a wheel-supported
wheel 44 fast on one end of a shaft 45 extending
straddle-row cultivator including a pair of trail
crosswise of the yoke part of the axle bar 4 and.
ing shovel-carrying beams, of a skid frame inter
journaled in suitable bearings 46 on said bar. A
mediate said beams for straddling a row being
sprocket chain 4-? extends from a sprocket wheel
cultivated and adapted to travel over the ground,
48 fast on the shaft (55 to a sprocket wheel 49 fast
ground-engaging skids on said frame for sup
on a cross shaft 53 journaled in forwardly ex
porting the same, a combined row-thinning and
tending arms 5| on the frame ii. The sprocket
wheel 49 is provided with an inten1a1 bevel gear 45) hoeing element mounted in said frame to travel
over the row and be revolved crosswise of the
5|’ meshing with a relatively smaller bevel gear
row, means to revolve said element operative by
52 fast on the front end of the driven shaft 2'! in
a wheel of the cultivator, means to detachably
front of the bearing 28. In connection with the
described drive, it is within the purview of my » attach said frame to one of said beams to travel
in advance of the shovel carried by the beam, and
invention to utilize different sizes of sprocket
a pair of guards on opposite sides of said frame
wheels 43 on the shaft
and vary the length of
for con?ning therebetween earth thrown by said
the sprocket chain 41 accordingly to change the
element.
ratio of drive to the driven shaft 21, as may be
3. The combination with a wheel-supported
required, so that the described hoe 3| will per
straddle-row cultivator including a pair of trail
form its thinning and hoeing operations at close
ing shovel-carrying beams, of a skid frame inter
together or far-apart intervals as the cultivator
mediate said beams for straddling a row being
cultivated and adapted to travel over the ground;
ground-engaging skids on said frame for sup
l travels over the row R.
Referring now to the use and operation of the
described invention. As the cultivator i travels
forwardly, the frame i5 is pushed along the 60 porting the same, a combined row-thinning and
hoeing element mounted in said frame to travel
ground by the pusher arm 3? and supported by
over the row and be revolved crosswise of the
the skids 23, with the guards 2i] penetrating the
row, means to revolve said element operative by a
ground on each side of the row R. The hoe Si is
wheel of the cultivator, means to detachably at
revolved in the direction indicated by the arrow
in Figure 5 to thin out the plants in the row R, 65 tach said frame to one of said beams to travel in
advance of the shovel carried by the beam, and
the hoe blades 35 cutting on" the plants at spaced
means on said frame for cleaning said element as
intervals below the ground or earth and perform
the element revolves.
ing a hoeing operation at the same time. The
4. The combination with a wheel-supported
guards 2B prevent ground or earth thrown by the
hoe blades 35 from being scattered over adjacent 70 straddle-row cultivator including a pair of trail
ing shovel-carrying beams, of a skid frame inter
rows and by con?ning such ground o;- earth
mediate said beams for straddling a row being
therebetween. The depth at which the hoe blades
cultivated and adapted to travel over the ground,
35 will cut and hoe may be regulated by adjusting
ground-engaging skids on said frame for sup
the skids 23, in the manner already described.
As will be understood, the skids 23 are adapted
75
porting the same, a combined row-thinning and
5
2,409,123
hoeing element mounted in said frame to travel
6
ground-engaging skids on said frame for ‘sup
over the row and be revolved crosswise of the
porting the same, a combined row-thinning and
row, means to revolve said element operative by a
hoeing element mounted in said frame to travel
wheel of the cultivator, and means to detachably
over the row and be revolved crosswise of the row,
attach said frame to one of said beams to travel UK means to revolve said element operative by a
in advance of the shovel carried by the beam, the
wheel of the cultivator, means to detachably at
last-mentioned means comprising a pusher arm
tach said frame to one of said beams to travel in
detachably connected at one end to said beam
advance of the shovel carried by the beam, and
against swinging sidewise and having the other
a pair of guards on opposite sides of said frame
10 for con?ning therebetween earth thrown by said
end thereof connected to said frame.
5. The combination with a wheel-supported
element, said guards comprising bars having sut
straddle-row cultivator including a pair of trail
ting edges depending below said skids to pene
ing shovel-carrying beams, of a skid frame inter~
trate the ground.
mediate said beams for straddling a row being
RUSSELL L. HARRAL.
cultivated and adapted to travel over the ground, 15
Документ
Категория
Без категории
Просмотров
0
Размер файла
523 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа