Improvements in Machines for Cleaning and Polishing Malt and other Grain.
Year: 1891

page_text: Date of Application, 24th Sept., 1891
Complete Specification Left, 24th June, 1892-Accepted, 30th July, 1892
PROVISIONAL SPECIFICATION.
Improvements in Machines for Cleaning and Polishing Malt and
other Grain.
I, THOMAS STEVENS of The Ceres Iron Works, Kingston-on-Thames, in the
County of Surrey, Engineer, do hereby declare the nature of this invention to be
as follows:-
The object of my invention is to more thoroughly polish and clean malt and
other grain than heretofore, and for this purpose I combine, as hereafter described, a
brushing or polishing machine with a sloping screen, and in such manner that the
malt or other grain, after being treated in the brushing or polishing machine,
is conveyed to the screen where the dust is removed from the said malt or other
grain.
According to my invention I connect the machine containing revolving brushes,
to a hinged sloping screen by means of a shoot fitted with a wedge shaped divider
whereby the grain issuing from the polishing machine is spread over the whole
surface of the sloping screen to which the malt or other grain is delivered, and which
latter is hinged to the framework in such manner that the angle of the slope can be
regulated to the greatest nicety, by for example a chain passing round a roller
turned by a crank handle, whereby the position of the screen is, or can be, adapted
to varying classes of grain. An aspirator is applied so as to act at one and the
same time both on the brushes and sloping screen.
By my invention the mold and dirt are loosened in the brushing machine and
carried off through the meshes of the sloping screen, and by the combination as
described I dispense with the hopper used usually in sloping screens. The machine
is enclosed in a casing whereby this combined machine is practically "dustless," or
in other words, dust cannot issue from it to the exterior, which is the case with
machines of a like nature as now generally constructed.
Dated this 23rd day of September 1891.
COMPLETE SPECIFICATION.
Improvements in Machines for Cleaning and Polishing Malt and
other Grain.
I, THOMAS STEVENS, of The Ceres Iron Works, Kingston-on-Thames, in the
County of Surrey, Engineer, 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 object of my invention is to more thoroughly polish and clean malt and
other grain than heretofore, and for that purpose I combine as hereafter described,
a brushing or polishing machine with a sloping screen, and in such manner that the
malt or other grain after being treated in the brushing or polishing machine,
is conveyed to the screen where the dust is removed from the said malt or other
grain.
According to my invention I connect the machine containing revolving brushes
to a sloping screen, hinged or otherwise, by means of a shoot fitted with a wedge
shaped divider, the arrangement and combination of which will be readily understood

page_text: by reference to the accompanying drawings, to which I will now refer, and on
which at Fig. 1 is shewn a sectional elevation of an apparatus constructed
according to my invention, Fig. 2 being a right hand end view of same.
Similar letters of reference refer to like parts in the two figures.
A is apparatus of well known internal arrangement, containing brushes, mounted
on and driven by shaft B and carried in bearings B₁ B' from the frame C. D is
a hopper provided with suitable regulating slides by which the malt or other
grain is fed into the apparatus A. E is the wedge shaped or dividing shoot, below
which is situated the sloped screen F, supported by the lower part of the framework C.
G is an aspirator acting by the horizontal passage G¹ extending along the side of
the apparatus on the brush apparatus A, and by the passage G³ on the sloping
-screen F; G is the delivery passage of the fan G.
The shaft B and aspirator G may be driven in any convenient or suitable manner;
as shewn in the drawing hereunto annexed, the shaft B is provided with a first
motion pulley H, and on the shaft B there is a second pulley J from which a belt
passes over the guide pulleys J1 J1, Fig. 1, to a pulley K keyed on the driving shaft
of the aspirator G. L is an exit door controlled by a rack adjustment.
The grain to be cleaned and polished is fed in at the hopper D, and on issuing
from the polishing apparatus A, is spread over the whole surface of the sloping
screen F, to which the malt or other grain is delivered by the dividing shoot E.
The screen F may be hinged to the framework in such manner that the angle of
the slope can be regulated by, for example, a chain passing round a roller turned
by a crank handle, whereby the position of the screen can be adapted to varying
classes of grain.
By my invention, the mold and dirt are loosened in the brushing machine and
carried off through the meshes of the sloping screen, and by the combination as
described, I dispense with the hopper used usually in sloping screens.
The machine
is enclosed by a casing M of wood or otherwise, whereby this combined machine is
practically "dustless," or in other words, dust cannot issue from it to the exterior,
which is the case with machines of a like nature as now generally constructed.
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 machines for cleaning and polishing malt and other grain, the combination of
the polishing apparatus A, dividing shoot E, with sloping screen F, aspirator or
fan G, all being carried and enclosed by framework C and M, whereby the grain is
fed in at one end of the combined apparatus, passes through the polishing device A to
the shoot E, is spread on and falls down the screen F, and is delivered at exit L in
a cleaned and polished condition, while the dust is carried off from both device A
and screen F by fan G, all substantially as described with reference to the
accompanying drawings.
Dated this 24th day of June 1892.
BREWER & SON,
33, Chancery Lane, London, Agents for Applicant.