Improvements in Feed Webs for Chaff Cutters.
Year: 1898

page_text: Date of Application, 9th Apr., 1898-Accepted, 23rd July, 1898
Improvements in Feed Webs for Chaff Cutters.
We, GEORGE HARDING INNES, & AUGUSTUS MONTAGUE INNES, both of Hitchin,
in the County of Herts, Engineers, do hereby declare the nature of this invention
and in what manner the same is to be performed, to be particularly described and
ascertained in and by the following statement: -
The improvements consist in providing feed webs for chaff cutters of an improved
form in order to enable the machines to be made more simply while at the same
time retaining the efficiency & safety of the best forms of chaff cutters as hitherto
made.
In chaff cutters as made & used hitherto two feed rollers have been employed
near the mouth of each machine to grip the material to be cut & force it forward
in a compressed state through the mouth to the knives & in many cases an endless
feed web has been arranged to work round two rollers, behind the feed rollers
so that the upper part of it moved along in the bottom of the feed box or trough
& served to convey the material to be cut towards the said feed rollers in order to
facilitate the feeding.
Also in the most efficient & safest chaff cutters in addition to the said bottom
feed web, another web (hereinafter called the top web) has been used working at an
incline above the bottom web, so that the material to be cut was first gradually
compressed between the two webs before reaching the feed rollers which after-
wards gripped it & forced it through the mouth of the machine to the knives.
According to our invention we dispense with the before mentioned pair of feed
rollers & employ webs so constructed that when working round their respective
rollers next to the mouth of the machine, they shall approximate in form to &
answer the purpose of the said feed rollers in addition to filling their office of
ordinary feed webs in gradually compressing the material to be cut & passing it
forward towards the mouth of the machine.
In order to accomplish this we make the feed webs with their slats or crosspieces
placed close together instead of at a distance apart as hitherto, & we also provide
the said slats or crosspieces with teeth or projections so that when the said webs
are passing round their respective rollers they present to the material to be cut.
a surface which is in effect the same as that of a solid toothed feed roller & in this
manner the said webs are enabled to grip the said material & force it through the
mouth of the machine to the knives.
In the accompanying drawing Fig. 1 shows the arrangement of the two webs
in a chaff cutter according to our invention & Figs. 2 & 3 show plans & end eleva-
tions of two different forms of web which we may use, though it will be understood
that the form of the webs may admit of considerable variation, also that the two
webs may be both alike or of different patterns.
In Fig. 1a is the mouth of a chaff cutter & b is the bottom of the feed box or
trough c is the top web which works in the direction indicated round rollers d & o
&f is the bottom web which works in the direction indicated round rollers 9 & h.
The rollers & & g are arranged with respect to one another & to the mouth a in
similar positions to those usually occupied by the feed rollers as hitherto used &
רד
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page_text: it will be seen that the webs in passing round the rollers d & g would present to the
material passing between them a surface similar to that of a solid roller having
teeth or projections.
Having now particularly described & ascertained the nature of our said inven-
tion & in what manner the same is to be performed we declare that what we claim
is:-
1) In the feed webs of a chaff cutter & particularly in the top feed web, the
use of teeth or projections on the slats or crosspieces substantially as & for the
purposes hereinbefore described & illustrated in the accompanying drawings.
2) In the feed webs of a chaff cutter the use of slats or crosspieces placed close
together so as to form a practically continuous surface substantially as herein-
before described & illustrated in the accompanying drawings.
Dated this 7th day of April 1808
GEORGE HARDING INNES.
AUGUSTUS MONTAGUE INNES.