Im- PROVEMENTS IN JACQUARD Looms
Year: 1871

page_text: LETTERS PATENT to William Millard, of Trowbridge, in the County
of Wilts, Engineer and Machine Maker, for the Invention of “Im-
PROVEMENTS IN JACQUARD Looms."
Sealed the 25th August 1871, and dated the 27th February 1871.
PROVISIONAL SPECIFICATION left by the said William Millard at the
Office of the Commissioners of Patents, with his Petition, on the
27th February 1871.
I, WILLIAM MILLARD, of Trowbridge, in the County of Wilts,
Engineer and Machine Maker, do hereby declare the nature of the said
Invention for "Improvements in Jacquard Looms," to be as follows :-
These improvements refer more particularly to jacquard looms for
weaving check patterns and consist, firstly, in so placing the jacquard
frame as to overhang the end of the loom, and thus be enabled to get a
more direct action from the crank shaft for driving the jacquard, and
also prevent the dropping of the oil and such like upon the fabric being
woven.
Secondly. In placing a pair of mitre wheels, one on the crank shaft, ·

page_text: and the other on a vertical shaft, communicating motion direct to the
jacquard barrel preferably by means of a bevil stud and star wheel, and
a small pair of mitre wheels, one of which is hung upon the jacquard
barrel shaft, and the other upon the bevil star wheel shaft.
Thirdly. In giving a back and forward motion to the jacquard barrel
in such a manner as to cause the pegs to pause or dwell upon the needles
while the jacquard changes, the back and forward motion being effected
preferably by placing a crank on the centre shaft of the jacquard, on the
crank pin of which runs a bowl, which works in a slot, the pausing
motion or dwell from the centre shaft of the jacquard, and also from
the vertical shaft is intended to be obtained by means of a cam or
eccentric applied horizontally.
Fourthly. In giving a parallel motion to the pegs by working the
jacquard barrel in two parallel slides one on each side of the jacquard
frame.
And, fifthly. In working the picking star wheel and the box motion
star wheel from the same stud wheel, it is intended that this shall be
effected by placing one path inside the other, the star wheel having a
chain barrel preferably on the inner side, upon which chains may work
for the purpose of actuating a lover and causing it to lift or depress the 2
picking shaft or tongues as required.
SPECIFICATION in pursuance of the conditions of the Letters Patent,
filed by the said William Millard in the Great Seal Patent Office
on the 26th August 1871.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, WILLIAM 2
MILLARD, of Trowbridge, in the County of Wilts, Engineer and
Machine Maker, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her
Letters Patent, bearing date the Twenty-seventh day of February, in the
year of our Lord One thousand eight hundred and seventy-one, in the 3
thirty-fourth year of Her reign, did, for Herself, Her heirs and succes-
sors, give and grant unto me, the said William Millard, Her special
licence that 1, the said William Millard, my executors, administrators,
and assigns, or such others as I, the said William Millard, my exccutors,

page_text: administrators, and assigns, should at any time agrec with, and no others,
from time to time and at all times thereafter during the term therein
expressed, should and lawfully might make, usc, exercise, and vend,
within the United Kingdom of Great Britain and Ireland, the Channel
Islands, and Isle of Man, an Invention for "IMPROVEMENTS IN JACQUARD
Looms," upon the condition (amongst others) that I, the said William
Millard, my executors or administrators, by an instrument in writing
under my, or their, or one of their hands and seals, should particularly
describe and ascertain the nature of the said Invention, and in what
manner the same was to be performed, and cause the same to be filed.
in the Great Seal Patent Office within six calendar months next and
immediately after the date of the said Letters Patent.
NOW KNOW YE, that I, the said William Millard, do hereby declare
the nature of my said Invention, and in what manner the same is to be
performed, to be particularly described and ascertained in and by the
following statement :-
The improvements refer more especially to jacquard looms for weaving
check patterns, and consist in so placing the jacquard frame as to over-
hang the end of the loom, and thus be evabled to get a more direct.
action from the crank shaft for driving the jacquard, and also prevent
the dropping of the oil and such like upon the fabric being woven.
Also in placing a pair of mitre wheels, one on the crank shaft, and
the other on a vertical shaft communicating motion direct to the
jacquard barrel preferably by means of a bevil stud and star wheel, and
a small pair of mitre wheels, one of which is hung upon the jacquard
barrel shaft and the other upon the bevil star wheel shaft.
Also in giving a back and forward motion to the jacquard barrel in
such a manner as to cause the pegs to pause or dwell upon the needles
while the jacquard changes, the back and forward motion being effected
preferably by placing a crank on the centre shaft of the jacquard on the
crank pin of which runs a bowl which works in a slot, the pausing
motion or dwell from the centre shaft of the jacquard, and also from the
vertical shaft is intended to be obtained by means of a cam or eccentric
applied horizontally.
Also in giving a varallel motion to the news by working the issu

page_text: And also in working the picking star wheel and the box motion star
wheel from the same stud wheel, it is intended that this shall be effected
by placing one path inside the other, the star wheel having a chain
harrel preferably on the inner side, upon which chains may work for the
purpose of actuating a lever and causing it to lift or depress the picking
shaft or tongues as required.
Having stated in what the improvements consist I will now proceed
to describe more particularly the accompanying Drawings, showing a
mode in which my several improvements may and are intended to be
carried into effect.
Figure 1 is a side elevation shewing the jacquard frame a overhanging
the end of the loom & the whole width of its frame, so that motion may
be more simply obtained from the crank shaft c by placing a pair of
mitre wheels d and e, one on the end of the crank shaft c and the other
on the vertical shaft, the said vertical shaft running direct up to
the jacquard and communicating motion to the jacquard barrel indica-
ted at g by means of the bevil stud wheel and bevil star wheel i, as
shown by dotted lines and a smaller pair of mitre wheels, one of which
is hung upon the jacquard barrel shaft and the other upon the bevil
star wheel shaft (shewn in dotted lines) at the back of the jacquard.
As far as this part of my improvements is concerned I claim the
bringing the jacquard over the end of the loom, thus getting direct
motion and not placing it as it has hitherto been done over the
middle of the loom. The same Figure also shews another improvement
namely, placing a crank upon the centre shaft of the jacquard shewn
at m.
On the crank pin works a bowl which works into the slot o of
the lever, which, being connected to the jacquard barrel, gives it a
back and forward motion (owing to the slot in the lever) in such a
naumer as to cause the pegs of the chain to dwell upon the needles
while the jacquard changes.
I wish it to be understood that what 1 claim as far as this particular |
part of my Invention is concerned is the power of obtaining a dwell or
pause from the centre shaft of the jacquard, as described above, and also
the power of obtaining the same dwell or pause from the vertical
shaft by means of a cam or eccentric placed on said shaft and a lever
working horizontally; the eccentric actuates a lever working on a
rocking bar, and thus gives a backward and forward motion to the
jacquard barrel; also in this Figure is shewn the two parallel slides 7,

page_text: placed one on each side of the jacquard frame, and between which the
jacquard barrel g works, the object being to give a parallel motion to
the pegs of the chain.
7"
Figure 2, Sheet 2, shews an end view of part of the frame and the
way in which the picking star wheel and the box motion star wheel 8,
are both worked from the same stud wheel t, on the back of which are
two paths or circular slides u, u, and v, v, of different sizes and in
different positions, the larger path v, e, works the box motion by means
of the star wheels and the smaller path or circular slide works the
picking motion by means of the smaller star wheel r, the star wheel r is
furnished with a chain barrel to on the inner side (shewn in dotted lines)
upon which work chains & which actuate the lever y (shewn in dotted
lines) and cause it to lift the picking shafts or tongues or depress them
as required.
In witness whereof, I, the said William Millard, have hereunto set
my hand and scal, this Twenty-fifth day of August, in the year
of our Lord One thousand eight hundred and seventy-one.