Improvements in Machinery for Decorticating and Cleaning Grain.
Year: 1889

page_text: Date of Application, 25th Apr., 1889
Complete Specification Left, 27th Jan., 1890-Accepted, 22nd Mar., 1890
PROVISIONAL SPECIFICATION.
Improvements in Machinery for Decorticating and Cleaning Grain.
I CARL FRANZEL of Domstadtl in the Empire of Austria Mill Owner do hereby
declare the nature of this invention to be as follows:-
This invention relates to decorticating and cleaning machines for grain and more
especially to that class of machines in which a cylinder of stone emery or the like is
caused to revolve within a perforated casing.
In place of making said cylinder solid as heretofore the first improvement consists
in making the same of a hollow open cylinder of stone emery or the like and connecting
same to the shaft by two holders or cylinder heads of metal, the outer edge of each of
which is provided with a bevelled flange or rim adapted to lie in a corresponding
annular recess in the side face of the stone and be held firmly therein by connecting
the two holders by bolts and nuts. These holders may be similar to spoked wheels
and be covered in by metal plates.
Around this cylinder is arranged a casing journalled to revolve on the cylinder
shaft and driven by the gear in the opposite direction to the cylinder. This casing is
open on one side and its outer periphery is made with wire gauze or perforated metal,
this portion being enclosed on the outside by a stationary casing or flue. The open
side of the rotary casing is closed by a stationary lid which however may be moved
circularly for adjustment of the grain outlet which is arranged therein and which is
a slot arranged in a volute or similar curve and is covered by a slide with opening so
that the grain outlet by suitable adjustment may be arranged at a nearer or greater
distance from the centre.
Dated this 95th day of Anil 1000
COMPLETE SPECIFICATION.
Improvements in Machinery for Decorticating and Cleaning Grain.
I CARL FRANZEL of Domstadtl in the Empire of Austria, Mill Owner 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 :—
This invention relates to decorticating and cleaning machines for grain and more
especially to that class of machines in which a cylinder of stone, emery or the like
is caused to revolve within a perforated casing.
In place of making said cylinder solid as heretofore, the first improvement consists
in making the same of a hollow open cylinder of stone, emery or the like and connecting
this cylinder to the shaft by two holders or cylinder heads of metal the outer edge of
each of which is provided with a bevelled flange or rim adapted to lie in a corre-
sponding annular recess in the side face of the stone and be held firmly therein by
connecting the two holders by bolts and nuts. These holders may be similar to spoked
wheels and be covered in by metal plates.
Around this cylinder is arranged a casing journalled to revolve on the cylinder
shaft and driven by the gear in the opposite direction to the cylinder. This casing is
open on one side and its outer periphery is made with wire gauze or perforated metal,
this portion being enclosed on the outside by a stationary casing or flue. The open
side of the rotary casing is closed by a stationary lid which however may be moved
circularly for adjustment of the grain outlet which is arranged therein and which is
D

page_text: a slot arranged in a volute or similar curve and is covered by a slide with opening so
that the grain outlet by suitable adjustment may be arranged at a nearer or greater
distance from the centre.
Reference being made to the accompanying drawings
Fig. 1 is a cross section of the machine partly in side elevation. Fig. 2 is a section
through Fig. 1 on the line A B. Fig. 3 is a section through Fig. 1 on the line C. D.
Fig. 4 is a plan of the framework Fig. 5 an inside view of one of the cylinder heads
and Fig. 6 a cross section of Fig. 5.
C
As may be perceived by the drawing (Figs. 1 and 4) the main shaft c is journalled
in the frames a a¹ connected by rods and 11. On this shaft c is fixed by the
heads e a cylinder of stone, artificial stone or emery & open at both sides. The wheel-
shaped heads e. (Figs. 5 and 6) are provided at their outer edge with inclined notches e¹
into which fit corresponding annular rins on the stone cylinder (Fig. 1), metal dises e¹¹
cover the heads e and close the empty space in the stone cylinder d. The heads e and
the metal sheets el are securely connected together by bolts el which are provided
with nuts at their outer ends.
Over the stone cylinder dis arranged a movable enclosing frame which is kept
together by stay bolts and stay sockets and over this is stretched a perforated
metal sheet or wire gauze 3. In taking off the stone cylinder the gauze can be con-
tracted in the known manner. The frame rests revolvably on the one side with
the coupling box P in bearing (Figs. 1 and 3) and on the other side with the coupling
box in bearing s the former being connected with the frame by iron bands q¹. The
bearings ands are bolted to the transverse barst and on the cross bolts and b³.
The coupling box pis enclosed by a lid closing the space between the shaft and
coupling box whilst its upper part directed outwards forms the inlet.
I
To the transverse bars are welded spikes w which gear into the stationary lid a
and secure the latter.
On the stationary lid a is arranged the sliding cover y movable in slot holes with
the volute slit z in such a manner that by turning the slide by handle 1 the outlet 2
is moved higher or lower and the amount of accumulation of the grain in the
machine consequently regulated. The slide y is then fastened by binding screws 10.
The movable frame is surrounded by a jacket 11. fixed by or to the cross bolts b
and and thus made stationary. 15 is a tail ring wedged to the shaft. On the main
shaft c are the fast and loose pulleys fffor applying power to the machine, also the
pulley g from which by transmission through pulley m spur wheel n and toothed
wheel or rim o secured to frame l. The necessary rotary speed is given to the frame
in a contrary direction to the stone cylinder d in the known manner.
The frame should make about 16 revolutions per minute whilst the stone cylinder d
200 to 240 revolutions within the same time. At the other end of shaft c is the
pulley from which shaft with exhaust fan 7 is moved through gear to pulley i.
The exhaust fan 7 removes the air with the husks dust etc., through openings 6 in
the direction of the arrow Fig. 1 the air entering through the gratings 4 the lower
opening 5 and through the inlet and outlet openings.
The inlet of the produce to be dressed etc. takes place through the opening of the
coupling box p at 8. into the space 12 the outlet on the opposite side through the
opening 2 in the outlet q.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed I declare that what I
claim is
In machinery for decorticating and cleaning grain.
1. The hollow stone cylinder a provided on its ends with recesses in combination
with the metal cylinder heads e fitted with projecting flanges el metal cover plates e
and bolts e substantially as set forth.
2. The combination of the movable frame arranged to rotate in the bearings
and s over the stone cylinder d and having stretched over it a perforated metal sheet

page_text: or wire gauze 3 enclosed in the stationary jacket 11 said frame being rotated in the
opposite direction to the stone cylinder a substantially as set forth.
3. The stationary lid with the regulating slide y provided with the volute slot z
for the control of the accumulation of the grain to the machine substantially as set
forth.
D
T
1000
HERBERT & Co.,
18, Buckingham Street, Strand, W.C., Agents to Applicant.