CERTAIN IMPROVEMENTS IN MACHINERY FOR WEAVING PLAIN AND FIGURED FABRICS
Year: 1836

page_text: TO ALL TO WHOM THESE PRESENTS SHALL COME, I, CLINTON
GRAY GILROY, of Argyle Street, New Road, Saint Pancras, in the County of
Middlesex, Engineer, send greeting.
WHEREAS His present most Excellent Majesty King William the Fourth,
by His Letters Patent under the Great Seal of Great Britain, bearing date at
Westminster, the Twenty-fifth day of February, in the sixth year of the
reign, did, for Himself, His heirs and successors, give and grant unto me,
the said Clinton Gray Gilroy, His especial licence, full power, sole privilego
and authority, that I, the said Clinton Gray Gilroy, my exors, adñiors, and
assigns, or such others as I, the said Clinton Gray Gilroy, my exors, adñiors,
or assigns, should at any time agree with, and no others, from time to time
and at all times during the term of years therein expressed, should and
lawfully might make, use, exercise, and vend, within England, Wales, and
the Town of Berwick-upon-Tweed, my Invention of "CERTAIN IMPROVEMENTS
IN MACHINERY FOR WEAVING PLAIN AND FIGURED FABRICS;" in which said Letters
Patent is contained a proviso that I, the said Clinton Gray Gilroy, shall
cause a particular description of the nature of my said Invention, and in
what manner the same is to be performed, to be inrolled in His said Majesty's
Iligh Court of Chancery within six calendar months next and immediately
after the date of the said in part recited Letters Patent, as in and by the.
same, reference being thereunto had, will more fully and at large appear.

page_text: manner in which the same is to be performed, are fully described and ascer-
tained in and by the following statement thereof, reference being had to the
Drawing hereunto annexed, and to the figures and letters marked thereon
(that is to say) :-
:-
My Invention consists in improvements in that part of power looms for
weaving plain and figured fabrics called the taking-up motion, as will be
hereafter fully described...
DESCRIPTION OF THE DRAWING.
Figure represents a longitudinal section of some parts of an ordinary
loom. Figure 2 shows a back view of the reed and the parts which carry the
same. a, a,, is the reed, the frame of which works on axes or pivots b, b, as is
well understood, and is pressed forward by the springs c, c, and as these
springs are more or less strong, the weft will be beaten up more or less close;
and in order to render these springs capable of adjustment as to their pres-
sure, the slides d, d, are capable of being moved nearer to or further from the
reed by means of set screws, all which are in common use.
c is the warp
roller or beam, which is weighted, as is commonly practised, by weighted
cords or pullies; f is the work or cloth roller, on to which the fabric is
wound as it is woven in the following manner :-g is a bent léver, which
moves on an axis at h, on one end of which lever are attached a click or
driver i, which works into the teeth on the ratchet wheel j, which ratchet
wheck turns on an axle k, affixed to the framing of the machine; on to the
face of the ratchet wheel is affixed a pinion 7, which consequently turns
with that ratchet wheel, and the pinion 7, taking into the-wheel-m, affixed on
the axis of the cloth-or-work roller, that roller is thereby caused to turn, and
take up so much cloth as is woven. The shape of the lever g being clearly
shown in the Drawing, its action will be readily traced. n is a lever, which
moves on a pin or axes.o, affixed to the sword which carries the reed.. This
lever is caused constantly to rest against the end of the reed by a spring.
The lever n is turned up in order to come against the lever when the loom
is working.
Having thus explained the nature of the various parts shown in the Draw-
ing, I will explain their manner of working, first, however, remarking that I
have not thought it necessary to show more of the parts of a loom, the same
being well understood; I have, therefore, only drawn so much as will point.
out the manner of applying my Invention.

page_text: The Drawing Figure 1 shows the position of the parts in the condition
they would be in immediately after the reed has beaten up the weft. The
falling back of the reed will, by the stud or projection 9 on the sword, lifts the
lever 7, and causes the click or driver to pass to further teeth on the ratchet
wheel, the cloth roller in the meanwhile being prevented running back by a
suitable click r, as is well understood. It should be stated that in the act of
beating up the reed is forced back by the weft, which will act on the lever n,
and cause it to strike against the lever g, and thus actuate the cloth roller,
and wind on the fabric as it is woven; but should the shuttle not contain any
weft, the reed would not be forced back, as there would not be any addition of
weft to what was produced by the previous crossing of the shuttle, and that
previous crossing having been beaten up, the reed would not in the subse-
quent working of the loom be forced back; consequently the lever g would
not be struck by the lever n, and the taking-up motion would not be actuated,
and a similar effect would take place should the weft thread break, as the
shuttle would be thrown from side to side without leaving any weft thread.
Having thus described the nature of my Invention, and the manner of
carrying the same into effect, I would remark that I am aware that all the
parts of a loom here shown, with the exception of the lever g having the
click or driver applied thereto, are not new, but are well known, and in use;
I do not, therefore, claim the same as any part of my Invention; nor do I
claim the regulating the degree of closeness to which the weft is beaten up
by the working of tho reed in general, various other, though very different appa-
ratus, having been indirectly actuated by the working of the loom for similar
purposes; but what I claim, and confine my Invention to, is the application of
the lever g, having the click or driver applied thereto, whereby the taking up
motion is worked by such lever g when there is weft thread thrown in, but
such lever does not operate for the taking up of the cloth or fabric when
there has been no weft thread laid in by the crossing of the shuttle, whether
from that thread being expended, or from its breaking, as above described.
In witness whereof, I, the said Clinton Gray Gilroy, have hereunto set
my hand and seal, this Twenty-first day of June, in the year of our
Lard One thousand eight hundred and thirty-six.

page_text: AND BE IT REMEMBERED, that on the Twenty-first day of June, in the
year of our Lord 1836, the aforesaid Clinton Gray Gilroy came before our
said Lord the King in His Chancery, and acknowledged the Specification
aforesaid, and all and every thing therein contained and specified, in form
above written. And also the Specification aforesaid was stamped according
to the tenor of the Statute made for that purpose.
Inrolled the Twenty-fifth day of August, in the year of our Lord Ono
thousand eight hundred and thirty-six.