Improvements in Portable Combined Chaff Engines.
Year: 1894

page_text: Date of Application, 27th Feb., 1894
Complete Specification Left, 27th Nov., 1894-Accepted, 29th Dec., 1894
PROVISIONAL SPECIFICATION.
Improvements in Portable Combined Chaff Engines.
I, ROBERT MAYNARD, of Whittlesford Works, near Cambridge, Engineer,
lo hereby declare the nature of this invention to be as follows:-
My invention relates to improvements in that kind of portable combined chaff
engine which is fitted with a riddle or sifter for taking out the imperfectly cut chaff
and an elevator for bagging the chaff when sifted, and has for its object to provide
for elevating the imperfectly cut chaff, (commonly called "cavings"), that is sifted
out of the chaff into the feed box, so that it may again be subjected to the knives
and made into chaff, thus preventing waste.
To effect this I fit the end of the sifter from which the cavings ordinarily fall out
on to the ground, with a trough or other suitable receptacle which receives such
cavings, and from whence they are conducted to a spout or shoot, which is connected
with a fan or exhaust that is mounted on the frame of the machine in any convenient
position, and which takes up such cavings and deposits them in the feed box, whence
they pass to the knives in the ordinary manner and are recut.
Dated this 27th day of February 1894
ELT & Co.,
33, Southampton Buildings, London, W.C., Agents for Applicant.
I, ROBERT MAYNARD, Whittlesford Works, near Cambridge, 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:-
My invention relates to improvements in portable combined chaff engines. By
"combined "I mean such machines as are fitted with a riddle or sifter for taking
out the imperfectly cut chaff and an elevator for putting the chaff into bags or other
receptacles after being sifted.
Such invention has for its object to provide means for elevating the imperfectly
cut chaff, commonly called "cavings," that is sifted out of the chaff, into the feed
box so that it may again be subjected to the knives and made into chaff thus
preventing waste.
To effect this I fit the end of the riddle or sifter from which the cavings ordinarily
fall out on to the ground with a trough or other suitable receptacle which is screwed
or otherwise fastened thereto and which receives such cavings. From this trough
they are conducted to a spout or tube which is connected with the casing of a fan
or exhaust mounted on the frame of the machine in any convenient position.
Suitable revolving fans are fitted in such casing and as these fans revolve they
create a strong upward current of air which sucks up the cavings through such spout
or tube. As the cavings fall out of the delivery aperture at the upper end of the
fan case they drop on to a platform fixed obliquely to the feeding trough at about
Price 8d 1

page_text: In the accompanying drawings, Figure 1 represents an end and Figure 2 a side
elevation of a portable combined chaff engine fitted with a cavings elevating
apparatus according to my invention.
Similar letters of reference indicate corresponding parts in both figures.
The cutting mechanism is not shewn as this is of the ordinary construction.
a is a trough or equivalent receptacle to receive the cavings or imperfectly cut
chaff as it falls off the riddle b. с is a spout or tube connected with the casings of
the fan or exhaust d. e is the oblique platform on to which the cavings fall after
passing up such spout or tube and through the fan case d. f indicates the delivery
aperture through which the cavings are delivered ou to such platform, and
is the
feed box into which they pass for the purpose of being led up to the knives to
be recut.
I would here observe that I do not confine myself to the precise details of
construction herein before specified as the same admit of modification without
departing from the essential feature of my invention which is elevating the
imperfectly cut chaff, generally known as cavings, after it has been sifted out of the
chaff produced by a portable combined chaff engine by means of a fan or exhaust
and depositing it in the feed box of such portable combined chaff engine to be recut
thus preventing waste.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is be performed I declare that what I
claim is ;-
1. In combination with a portable combined chaff engine an elevating apparatus
for elevating the imperfectly cut chaff generally known as "cavings" consisting of
the trough a or other equivalent receptacle screwed or otherwise fastened to the
riddle b, spout or tube c, exhaust d, and platform e, all constructed, arranged,
combined and fitted substantially in the manner hereinbefore described and shown.
2. Elevating the imperfectly cut chaff generally known as "cavings" after it has
been sifted out of the chaff produced by a portable combined chaff engine by means
of a fan or exhaust and depositing it in the feed box of such portable combined
chaff engine to be recut in order to prevent waste all substantially as hereinbefore
described.
1
Dated this 27th day of November 1894.
ELT & Co.,
33, Southampton Buildings, Holborn, London, Agents for Applicant.