IMPROVEMENTS IN CHAFF CUTTING MACHINES
Year: 1875

page_text: LETTERS PATENT to William Audinwood, of Castle Donington, in
the County of Leicester, for the Invention of "IMPROVEMENTS IN
CHAFF CUTTING MACHINES,”
Sealed the 18th August 1875, and dated the 27th May 1875.
PROVISIONAL SPECIFICATION left by the said William Audinwood at
the Office of the Commissioners of Patents, with his Petition, on
the 27th May 1875.
I, WILLIAM AUDINWOOD, of Castle Donington, in the County of
3 Leicester, do hereby declare the nature of the said Invention for
“IMPROVEMENTS IN CHAFF CUTTING MACHINES," to be as follows:-
:
I employ vanes or beaters carried by the main driving shaft of the
machine, and encaso the vanes or beaters partly with boarding or other
material, and partly with perforated plates, gause, or open wirework.
The vanes beat the cut stuff on to the perforated plates, gause, or wire-

page_text: work, through which the dust and refuse pass, the cut stuff being
carried onwards to the outlet, from which it falls into a bag or other
receptacle. A door is hinged near the outlet, and held by a spring,
which gives way and allows the cut stuff to escape when it cannot
escape at the outlet or when the machine gets choked from inattention
of the attendant or other cause.
A machine constructed as above described I employ as a machine,
portable or otherwise, to be worked by hand or other power, or I attach
the machine to the end or other convenient part of the framing of a
thrashing machine.
SPECIFICATION in pursuance of the conditions of the Letters Patent,
filed by the said William Audinwood in the Great Seal Patent Office
on the 26th November 1875.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, WILLIAM
AUDINWOOD, of Castle Donington, in the County of Leicester, send 1
greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her
Letters Patent, bearing date the Twenty-seventh day of May, in the year
of our Lord One thousand eight hundred and seventy-five, in the thirty-
eighth year of Her reign, did, for Herself, Her heirs and successors, give
and grant unto me, the said William Audinwood, Her special licence
that I, the said William Audinwood, my executors, administrators, and
assigns, or such others as I, the said William Audinwood, my executors,
administrators, and assigns, should at any time agree with, and no
others, from time to time and at all times thereafter during the term
therein expressed, should and lawfully might make, use, exercise, and
vend, within the United Kingdom of Great Britain and Ireland, the
Channel Islands, and Isle of Man, an Invention for "IMPROVEMENTS
IN CHAFF CUTTING MACHINES," upon the condition (amongst others)
that I, the said William Audinwood, my executors or administrators,
by an instrument in writing under my, or their, or one of their
hands and seals, should particularly describe and ascertain the nature
of the said Invention, and in what manner the same was to be per-

page_text: formed, and cause the same to be filed in the Great Seal Patent Office
within six calendar months next and immediately after the date of the
said Letters Patent.
NOW KNOW YE, that I, the said William Audinwood, do hereby
declare the nature of my said Invention, and in what manner the same
is to be performed, to be particularly described and ascertained in and
by the following statement, reference being had to the accompanying
Drawings forming a part of this Specification :—
'
I employ vanes or beaters carried by the main driving shaft of the
machine, and encase the vanes or beaters partly with boarding or other
material, and partly with perforated plates, gauze, or open wirework.
The vanes beat the cut stuff on to the perforated plates, gauze, or wire-
work, through which the dust and refuse pass, the cut stuff being
carried onwards to the outlet, from which it falls into a bag or other
receptacle. A door is hinged near the outlet, and held by a spring,
which gives way and allows the cut stuff to escape when it cannot
escape at the outlet or when the machine gets choked from inattention
of the attendant or other cause.

page_text: boarding B. Portion of this boarding marked B' at Figure 1 can be
lifted out at the back of the wheel, so that the knives can be readily
sharpened without necessitating their removal from the wheel. The
circumference of the casing is formed of iron, zinc, or other metal
plate B. The portion indicated by a dotted line above a spout B and 5
outlet B' is perforated, or such portion may be formed of gauze or open
wirework, through which the dust and refuse pass, the cut stuff being
carried by the vanes onwards and upwards to the outlet box C, or when
the delivery is on the right side to the outlet box C', shewn at Figure 2,
from either of which it falls into a bag or other receptacle placed to 1
receive it. The outlet box is hinged to the back of the casing, and is
hold to the front of the casing when the machine is at work by a slotted
pin and cotter. When the machine is not at work upon the cotter
being withdrawn the box can be turned back upon the casing for
packing up or removal. When the cut stuff has filled the bag or other 1
receptacle and cannot escape at the outlet, or when the machino gets
choked from inattention of the attendant or other cause, a door B³
hinged to the casing at any convenient part and held by a spring B
gives way and allows the cut stuff to escape; or instead of the spring I
sometimes employ a weighted lover to hold the door, as shown at 2
Figure 5, pressure of the cut stuff upon the door causing the outer end
of the lever to rise until the door falls and opens the outlet.
To one side of the feeding trough I attach a platform D, which can
be folded up, as shewn by the dotted lines in Figure 4, so as to form a
conductor for the straw from the shaker ends of a thrashing machine to 2
the feeding trough when thrashing and cutting together, the chaff
cutter being driven by a belt from the drum shaft of the thrashing
machine. When the machine is packed up or being removed the
platform can be folded over the feeding trough, so as to cover the
machine.
3

page_text: the general arrangement and combination of a chaff cutting machine,
substantially as herein-before described and illustrated in the accompany-
ing Drawings.
In witness whereof, I, the said William Audinwood, have hereunto
set my hand and seal, this Twenty-fourth day of November, in
the year of our Lord One thousand eight hundred and seventy-
five.
Witness,
H. W. GOUGH, C. E.,
Nottingham.
WILLIAM AUDINWOOD. (L.S.)