Year: 1887

page_text: We, ROBERT ANDREW ROBERTSON and JOHN GEORGE HUDSON both of the firm of
Mirrloes Watson and Company, Scotland Street Iron Works, Glasgow, in the Counties
of Lanark and Renfrew, North Britain, Engineers, do hereby declare the nature of
this invention to be as follows:-
This Invention, which relates to improvements in the construction of Mills for
expressing juice from sugar cane or analogous saccharine plants has reference to that
class of mills in which two or more pairs of rollers are used arranged in such a position
that a line drawn through the axes of each pair of rollers is parallel to a similar line.
drawn through the axes of the other pair or pairs of rollers.
The present improvements relate especially to the gearing by which the rolls of
mills so arranged are connected and driven and for this purpose a shaft is carried either
above or below the framing and provided with a pinion of equal diameter at each side
of the mill. Each such pinion drives a train of gearing so arranged as to connect the
top roller of one pair with the bottom roller of the next pair and so on. The top and
bottom rollers respectively of each pair being connected with the opposite trains of
gearing.
Mills constructed according to these improvements may be placed horizontally but
by preference they are arranged inclined in order that the passage of the crushed cane
from one pair of rollers to the succeeding pair may be aided by the force of gravity.
Dated this 12th day of January 1887
J. H. JOHNSON, DAY & JOHNSON,
115, St. Vincent Street, Glasgow,
Petitioners' Agents.

page_text: We, ROBERT ANDREW ROBERTSON and JOHN GEORGE HUDSON both of the firm of
Mirrlees Watson & Company, Scotland Street Iron Works, Glasgow in the Counties
of Lanark and Renfrew, North Britain, Engineers, 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:
Our Invention, which relates to improvements in the construction of Mills for
expressing juice from Sugar Cane or analogous saccharine plants has reference to that
class of mills in which two or more pairs of rollers are arranged in such a position that
a line drawn through the axes of cach pair of rollers is parallel to a similar line drawn
through the axes of the other pair or pairs of rollers.
The present improvements relate especially to the gearing by which the rolls of
mills so arranged are connected and driven and for this purpose a shaft is carried either
above or below the framing and provided with a pinion of equal diameter at each side
of the mill. Each such pinion drives a train of gearing so arranged as to connect the
top roller of one pair with the bottom roller of the next pair and so on, the top and
bottom rollers respectively of each pair being connected with the opposite trains of
gearing.
Mills constructed according to these improvements may be placed horizontally but
by preference they are arranged inclined in order that the passage of the crushed cane
from one pair of rollers to the succeeding pair may be aided by gravity.
In order that our Invention may be properly understood and readily carried into
effect, we will now proceed to describe the drawings hereunto annexed.
On Figure 1, of the annexed drawings is an end view of a four roller sugar-cane
mill constructed in accordance with our present improvements.
Figure 2, is a side view of the same.
In the mill illustrated by these drawings the pairs of rollers A, and B, C, and Dare
carried in an inclined framing E and two such pairs of rollers only are shewn as being
sufficient for the purpose of illustrating our Invention but it is to be understood that
more than two pairs of such rollers may be used. The shaft F, below the framing is
the driving shaft and carries at each end a pinion G and I respectively. The pinion G,
gears into the toothed wheel I on the lower roller B of one pair of rollers which again
gears into the toothed wheel J of the upper roller of the other pair of rollers whilst
the other pinion E gears into the lower wheel K on the axis of the lower roller D
which again gears into the wheel L of the upper roller A.
The cane may be fed into the machine in the usual manner by a chain carrier and as
the trash leaves the second pair of rollers C and D it may be carried away by another
chain carrier as shown by the dotted lines in Figure 1.
It is to be understood that when more than two pairs of rollers are used the toothed
wheel on the lower roller of one pair of rolls gears with the upper roller of the next
pair of rolls and so on continuously for any number of pairs of rolls.

page_text: By means of the improvements constituting this Invention the trash turner or its
equivalent commonly employed and necessary in the ordinary three roller sugar cane
mill is dispensed with and the small pinions commonly employed in such mills replaced
by the larger toothed wheels employed in connection with our improvements.
Having now particularly described and ascertained the nature of our said Invention
and in what manner the same is to be performed, we declare that what we claim is :-
1. The general arrangement and combination of mechanism constituting the sugar
cane mill as hereinbefore described and shewn on the annexed sheet of drawings.
2. The improvements in mills for expressing juice from sugar cane or other analogous
plants consisting in the pinions on the driving shaft being placed at opposite sides of
the mill and respectively gearing into toothed wheels on the lower rollers of two
adjacent pairs of rollers the toothed wheel on the lower roller of one pair gearing with
the upper roller of the next pair as herein before described and shewn upon the annexed
sheets of drawings.