CERTAIN IMPROVEMENTS IN LOOMS FOR WEAVING
Year: 1845

page_text: TO ALL TO WHOM THESE PRESENTS SHALL COME, I, SQUIRE
DIGGLE, of Bury, in the County of Lancaster, Machine Maker, send
greeting.
WHEREAS Her present most Excellent Majesty Queen Victoria, by Her
Letters Patent under the Great Seal of Great Britain, bearing date at West-
minster, the Eleventh day of January, in the eighth year of Her reign, and in
the year of our Lord One thousand eight hundred and forty-five, did, for
Herself, Her heirs and successors, give and grant unto me, the said Squire
Diggle, Her especial licence, full power, sole privilege and authority, that I,
the said Squire Diggle, my executors, administrators, and assigns, and such
others as I, the said Squire Diggle, my executors, administrators, and 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 and Wales and the Town of
Berwick-upon-Tweed, my Invention of "CERTAIN IMPROVEMENTS IN LOOMS FOR
WEAVING;" in which said Letters Patent is contained a proviso that I, the
said Squire Diggle, shall cause a particular description of the nature of my said
Invention, and in what manner the same is to be performed, to be enrolled
in Her Majesty's High 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: NOW KNOW YE, that in compliance with the said proviso, I, the said
Squire Diggle, do hereby declare that the nature of my said Invention, and
the manner in which the same is to be performed, is particularly described
and ascertained in and by the Drawing hereto annexed, and the following
explanation thereof, that is to say :-
My Improvements in Looms for Weaving consist in the novel and peculiar
adaptation or arrangement of a certain construction of endless chain, formed
of various shaped links, and acting as tapets or wipers, for the particular pur-
pose only of lifting the shuttle boxes in power looms, wherein two or more
shuttles are employed for weaving fancy goods, particularly stripes, checks, or
ginghams. My improved construction of tappet chain for this purpose is
capable of diversifying the width of the stripe or check to the extent required
in fancy goods, checked goods, or ginghams, by so arranging the tappets or
links that any particular shuttle may be kept up during any given number of
"picks" or shoots of which it is desired to form the patterns, simply by intro-
ducing tappets or links of different heighths or elevations, and by arranging
one, two, or more tappets or links of the same heights in contact with or suc-
cessively following each other "in the round" of the pattern or chain, which
arrangement will readily present itself to the practical weaver, as may be
required to suit weaving striped or checked patterns or designs.
Such being the nature and object of my said Invention, I will proceed to
describe the Drawing attached to these Presents, which illustrates the appli-
cation of my improvements to a power loom working three shuttles, the
particular parts to which I would direct attention as novel in their arrange-
ment and effect being shaded with color, and the ordinary working parts of
the machine being drawn in outline only, and merely represented to shew
more clearly the particular application of my Invention.
Fig. 1 is a back view of a power loom, arranged with three shuttles, and
adapted for weaving gingham. Fig. 2 is a front view, and Fig. 3 is an end
view of the same. Fig. 4 is a front view, and Fig. 5 a side view of my
improved linked tappets or wipers, and the parts by which they are actuated,
and also the parts in connexion with the shuttle boxes drawn upon a larger
scale, and detached from the loom; and Fig. 6 is a representation of the
several tappets or wipers employed, each shewn separate, or with their con-
necting pins or studs removed. The framing of the loom is shewn at A, A,
supporting the warp beam B, the main driving, or crank shaft C, the vibrating
lathe or slay D, which is here furnished with three shuttle boxes E, E, E,
containing the several shuttles, with the various colors or qualities of wefts as
required. F is the work or cloth passing over the breast beam G to the cloth

page_text: And this drum i is
Power being com-
roller H. Such being the ordinary and elementary working parts of the loom,
the application and performance of my Invention will be readily understood,
as follows: An endless chain, of any required length (according to the
pattern), is to formed by connecting any number of the links, tappets, or
wipers a, b, c, d, e, f, g, see Fig. 6, by means of a stud or pin / passed through
the eyes or holes in these tappets, and which chain is shewn thus composed
for working three shuttles successively) in Figs. 4 and 5, and applied in the
relative position to the loom in Figs. 1, 2, and 3, for the purpose of lifting the
shuttle boxes. This chain is to be placed over or upon a small barrel or
drum i, notched on its periphery, so as to receive the ends of the connecting
pins h, h, and thus enable the chain to be shifted round.
keyed upon a stud or shaft k, attached to the loom side.
municated to the crank shaft C, it drives the pinion 7, keyed fast upon its
extremity, which pinion gears into a spur wheel m, mounted on a stud in the
loom side. In this wheel m a crank pin or bowl n is placed, which, at every
revolution of the wheel, acts against the tail of the vertical lever o, o, which
vibrates upon the fulcrum P, also fixed to the loom side. At the upper end
of the lever o, a pall or catch 7 is attached, which, as the lever vibrates, and
taking into the notched or ratchet wheel r, fast on the shaft k, pulls the
notched barrel i gradually round, and thus shifts the chain, presenting the
tappets thereon to the bowl s, mounted in the top lever t. This lever swivels
on a stud at one end, leaving the other end attached to the shuttle boxes by
means of the wire or cord u. Now, it will readily be seen that the plain tappets
or link a will thus raise the top shuttle for the first "pick" of weft; and if
any given number of "picks" is required from that shuttle more than the time
than this tappet will keep that shuttle up, then another of these links or lowest
tappets a must be put in the chain. Next comes a tappet b, with a second
height or elevation to lift the second shuttle box, and if a continuation of the
motion is required by the pattern, a tappet of the form shewn at for g must
be put next in the chain. When the third shuttle box is to be lifted, a tappet
or link of a third height or elevation is to be put next in succession in the
chain, such as shewn at C, and if the shuttle is here required to be kept up, a
continuation link, such as d or e, must next be introduced in the chain, and so
on in an exactly similar manner for any number of shuttles required, or for
any number of picks required to be made from the same shuttle.
I would remark, in conclusion, that all these varieties of change in the
tappets for the purpose of lifting the shuttle boxes in all looms for weaving,
wherein two, three, or more shuttles are employed, for whatever purpose or
pattern, or for whatever character or quality of goods, will be readily under-

page_text: stood by the practical weaver, and thus require no further explanation, and
which improved method or means of lifting the shuttle boxes I claim as my
Invention, and whether applied as exhibited in the Drawings annexed above
the crank shaft, or modified in its arrangement and placed below the crank
shaft in power looms, which may be done, and with exactly similar effect.
In witness whereof, I, the said Squire Diggle, have hereunto set my
hand, this Tenth day of July, One thousand eight hundred and forty-
five
SOSIY KA
xtraordinary in Ch
the Queen in Iler Chancery, and acknowledged the Specification aforesaid,
and all and every thing therein contained, in form above written. And also
the Specification aforesaid was stamped according to the tenor of the Statute
in that case made and provided.
Inrolled the Eleventh day of July, in the year above written.