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Dec. 31, 1946.
Filed Dec. 18, 1943
Patented Dec. 31, 1946
;;J.ohn L. Aasland, Moline,’Ill.,-assignor t0 Inter
- national Harvester
Company, a corporation of
New Jersey
Application December 18, 1943,";Se'rial No. 514,739
3 Claims. (C1; 130—'-5)
V This invention relates to husking rolls. ~More
speci?cally, it relates to a husking roll construc
‘they will be individually described. A roll sup
porting a_--drivev shaft l4 carried at one end'by the
bearing bracket l3' provides-means for mounting
through which the stalks of corn are fed for snap
a tubularlhusking 'roll- I5 which is provided with
a thick rubber covering ‘I6. ‘Said rubber cover
“ing provides means for gripping the husks on the
ears of ‘corn and starting themplthroughi between
pine the ears therefrom. It hasalso been com
therollers. ' The shaft ‘Mextends through a bear
tion for corn pickers.
Conventional corn pickers utilize a pair of
snapping rolls driven in opposite directions
mon practice to carry the ears along the same set
ing‘bracket !5’ which is secured to the vanglejbar
of rolls and provide'husking means beyond the
ll of the frame. Beyond said bracket alive end
"snapping means. For the'snapping, space is us
snapping rollilt- is mounted on the shafti I4. A
ually provided ibetween- the rolls and ribs, or
snapping roll structure I1 is mounted on the shaft
15" and the end 'of'the
?utes, ofisome type are provided to assist in feed
~ i4‘ between the'bracket?
ing the~sta1ksthroughthe rolls. For husking a
r011 15.
diiferent type of construction must be utilized,
A driving gear‘ I8 mountedv on the-‘shaft "l4
ias'the husks- are quite thin and‘some construc
vmeshes with a-driving gear 19 mounted on a vsec
ond ‘shaftiz?. TheshaftlB-also carries a chain
tion must-‘be provided to grasp the thin husks and
pull’ them from the ears. There are times, how
sprocketZ I' by means ‘of ‘which power is trans
ever, when piecesof- stalks are attached to the
--mitted to the rolls.
~i'l*and"by~"a second bearing bracket 22. ‘Said
husks, and provision’ must be-made to take these
through the husking rolls or they will be pulled
7 "The ‘shaft-'29 is ‘carried by the bearing bracket
off- and delivered with the hu’skedv ears of corn.
bracket is adjustably secured to the angle bar 10
The object of the invention is toprovidea
husking device of the roll type in which the rolls
normally contact‘ each other, being urged- to»
gether by resilient means, but which may be sep
arated by husks and larger pieces of material
passing therebetween.
‘ of the ’ frame, " adjustment
with respect .toisaid
frame'b'eing provided-by a slot<23~in the bracket.
- 'This- adjustment’ provides for movmgvone endrof
the shaft 25 with~respectto the shaft?‘ l4, thereby
‘separating-thesnapping portionslof the rolls.
‘ “The live end-snapping roll‘ 24 is carried‘ on ‘the
A more speci?c object is to provide a husking
end of the shaft ZG‘bey‘or'id-the*bracketY-22. *As
roll resiliently held in a concentric position on a 30 previously stated, rolls of this type are usually
inclined downwardly with the live end rolls at
driven shaft.
Other objects relating to the speci?c construc
the lower end. A snapping r011 structure 25 is
tion will be apparent from the detailed descrip
mounted on the shaft 20 adjacent the bearing
bracket 22. Said structure is provided with a re
tion to follow.
In the drawing:
duced end portion 26 which provides means for
Figure 1 is a plan view showing a set of com
attaching one end of a coil spring 21. The other
bined snapping and husking rolls embodying the
end of said spring is secured to a member 21’
invention and such portions of a frame structure
which is carried within and rigidly secured to a
as are necessary to show the location of rolls in
tubular husking roll 29. Said husking roll is nor
mally mounted concentric with the shaft 20, be
a machine;
Figure 2 is a section taken through the centers 40 ing resiliently retained in concentric position by
of the husking-roll driving shafts;
means of the spring 21 and a similar spring 28,
Figure 3 is a section taken on the line 3-—3 of
as shown by the broken-away section of Figure
1, at the other end of the roll. There is sufficient
Figure 2.
As snapping and husking rolls are very well
space, however, between the inside of the spring
known in the art, and their location in a corn
and the shaft 26 and the outside of the spring
picker is well understood, only a portion of a
and the inside of the tubular roll 29 to permit a
picker frame has been illustrated in the drawing.
substantial deflection of the roll 29 out of con
The portion of the frame illustrated consists of
centric relationship with respect to the shaft 25.
longitudinally extending angle bars l0 and H.
In Figure 1 it will be noted that the bracket 22
These bars will be mounted at an angle in the ' is in a position of adjustment at the extreme end
conventional picker. A pair of bearing brackets
i2 and I3 are bolted to the angle bars l0 and H,
respectively, to provide means for supporting the
snapping and husking roll structure.
As the two rolls are of different construction,
of the slot 23 whereby the husking-roll structures
I1 and 25 are brought into contact with one
another. In this position of adjustment, the roll
29 is moved against the rubber-covered roll 15
with sufficient force to de?ect the rubber cover
ing 16 to a certain degree and at the same time
to push the roll 25 into an eccentric position
What is claimed is:
1. A husking roll construction comprising a pair
of parallel driven shafts, a husking roll carried by
with respect to the shaft 20. This de?ection is
illustrated in Figure 2. In otherpositions of ad
justment of the bracket 22 there will not be as
much pressure against the roll 29 and there may
be no de?ection out of the concentric position
when no material is passing between the rolls. In
generally cylindrical coiled springs concentrically
a portion of a stalk, passes between the husking
rolls. The rubber covering is de?ected a sub
2. A husking roll construction comprising a pair
of spaced parallel shafts, a roll securing member
one of said shafts, a tubular husking roll posi
tioned around the other shaft spaced therefrom,
positioned around the shaft and between the shaft
and the tubular roll, and means for securing each
Figure 3 an illustration has been given as to what “ spring to the roll at one of its ends and to the
shaft at its other end,
happens when a large piece of material, such as
at the ends of each shaft, a tubular husking roll
rigidly secured to the members on one shaft, a
stantial amount and the roll 21 is moved
into an eccentric position until its center is moved
from C to C’. This is the extreme position as
the roll 29 then abuts the coils of the spring,
blocking any further movement. As soon as the
material or object which caused the sep
aration- passes through the rolls, the roll 29 re
second tubular husking roll positioned around the
second shaft, said second roll being provided with
spring-securing members spaced axially from the
ends thereof, the roll securing members on said
shaft being provided with extensions in the annular space between the roll and the shaft, and a
generally cylindrical coiled spring having a plu
rality of coils of substantially the same diameter
at each end of said husking roll surrounding the
turns to its abutting position against the rubber
covering IS, The provision of springs at both
ends of the rolls gives a degree of ?exibility which
is Very signi?cant as a large piece of material
may be passing through the rolls at one end while \
at the other end the rolls are sui?ciently close
shaft, each spring being secured to the spring
securing member at that end and to the roll
securing member at the corresponding end.
3. A husking roll construction comprising a pair
of spaced parallel shafts, said shafts being pro
vided with means for driving them in opposite
angular direction, roll-securing members at the
ends of each shaft, a tubular husking roll rigidly
together to grip and remove paperlike husks.
This is particularly true due to the de?ection of
the rubber covering by pressure of the resiliently
mounted roll 29.
The construction as above described also per
mits the use of constant mesh gears for the driv
ing shafts which are not moved apart when there
secured to the members on one shaft, said roll
is relative movement between the rolls. The ad
justment of bracket 22 angles the gears I8 ,
slightly with respect to each other, but these gears
are of the loose-?tting, agricultural type which
operate satisfactorily with small angular changes
in their axes. Another outstanding advantage of
being covered with rubber, a second tubular husk
ing roll positioned around the second shaft, said
roll being provided with spring-securing members
spaced from the ends thereof, the roll-securing
members on said shaft being provided with ex
tensions in the annular space between the roll
and the shaft, and a generally cylindrical coiled
the construction of this invention is that the 4
spring having a plurality of coils of substantially
snapping rolls are not moved apart by movement
the same diameter at each end of said husking
of the husking rolls carried on the same shafts.
roll surrounding the shaft, each spring being se
This permits a simpli?ed combined snapping
cured to the spring-securing member at that end
roll and husking-roll construction with the re
and to the roll-securing member at the corre
quired spacing of the snapping rolls and the yield
sponding end. '
able mounting of the husking rolls.
It is to be understood that applicant claims as
his invention all modi?cations falling within the
scope of the appended claims.
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