Year: 1887

page_text: Date of. Application, 5th Oct., 1887
Complete Specification Left, 5th July, 1888
Complete Specification Accepted, 10th Aug., 1888
We ARTHUR MAURICE ROBINSON of Railway Works Rochdale; in the County of
Lancaster, Engineer, (and JOHN WARD of Rochdale in the County of Lancashire,
Engineer, do hereby declare the nature of this invention to be as follows:-
The object is to provide efficient apparatus for separating dust, smut, and foreign
matter from grain mainly wheat and for scouring and obtaining the said grain in a fit
condition for being ground or reduced into meal and flour."
For the above purpose we combine (a) appliances for separating the lighter
impurities by means of Air Currents (b) for separating the heavy impurities from the
said grain, by sifting and (c) for scouring or rubbing the said grain. The three sets of
appliances are of any usual or suitable construction arranged to act on the grain in the
order named and to operate in concert so that the grain after treatment by one set of
appliances is delivered to the next succeeding.
Second-Apparatus for scouring consists of a horizontal conical chamber with
helical flutes on its inner surface fitted internally with rotating radially disposed
beaters.

page_text: Improvements in Apparatus for Cleaning Grain.
We ARTHUR MAURICE ROBINSON of Railway Works Rochdale in the county of
Lancaster Engineer, and JOHN WARD of Rochdale in the county of Lancashire
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 is to provide efficient apparatus for separating dust smut and foreign
matter from grain mainly wheat, and for scouring and obtaining the said grain in a
fit condition for being ground or reduced into meal and flour.
For the above purpose we combine (a) appliances for separating the lighter.
'impurities by means of air currents (b) for separating the heavy impurities from- the
said grain by sifting, and (c) for scouring or rubbing the said grain. The three sets of.
appliances are of any usual or suitable construction arranged to act on the grain in
the order named and to operate in concert so that the grain after treatment by one set
of appliances is delivered to the next succeeding.
Second apparatus for scouring grain consisting of a horizontal conical chamber with
helical flutes on its inner surface fitted internally with rotating radially disposed
beaters.
DESCRIPTION OF THE DRAWINGS.
Fig. 1 is à front elevation and fig. 2 an end elevation of apparatus under our
invention. 1 frame, 2 feed spout, 3 receiving box, 4 shoot leading from the box 3 to
the sieve 5.6 air trunk leading from the shoot 4 to the depositing chamber 7.
8 baffle board. 9 exhaust fan in communication with the chamber 7. 10 trough.
11 tray with hopper 12. 13 scouring or cleaning cone made with helical flutes and
provided with internal beaters 14. 15 air trunk leading from the delivery end of the
cone 13 to the depositing chamber 16. 17 baffle board. The chamber 15 communi-
cates with the fan 9.18 driving gear. The action is as follows. The grain is fed
into the box 3.from whence it falls down the shoot 4 onto the sieve 5, whilst falling
down the shoot the grain is subjected to the action of the air passing up the shoot
to the fan 9 and the dust and chaff are carried up to the chamber 7 where
the heavier particles deflected down by the board 8 fall to the bottom of the chamber
only the lighter particles passing onto the fan. The grain on the sieve passes through
to the tray 11 whilst refuse-such as peas, stones, and dirt pass into the trough 10. The
grain then passes by the hopper 12 into the cone where it is scoured and delivered
at the lower end clean and ready for use. The escaping grain is subjected to the
action of the air passing up the trunk 15 which removes the dust and dirt removed
from the grain in the scourer,

page_text: The scourer is made in any usual manner and of suitable materials such as chilled
cast iron for one half the length and perforated sheet steel for the other half. The
chilled iron has by preference helical flutes and radial beaters are used as herein set
forth. The driving mechanism and gearing is arranged in any suitable way and means
are provided for setting up and adjusting the beaters as is well known.
Having now particularly described and ascertained the nature of the said inven-
tion and in what manner the same is to be performed we declare that what we
claim is.
First. Apparatus for cleaning grain having three sets of appliances combined in the
order and acting in sequence substantially as herein setforth.
Second. Grain scouring apparatus consisting of a conical chamber with helical
flutes and internal rotating beaters substantially as setforth.