CERTAIN IMPROVE- MENTS IN LOOMS FOR WEAVING."
Year: 1853

page_text: LETTERS PATENT to Henry Meyer of Manchester, in the County
of Lancaster, Engineer, for the Invention of "CERTAIN IMPROVE-
MENTS IN LOOMS FOR WEAVING."
PROVISIONAL SPECIFICATION left by the said Henry Meyer at
the Office of the Commissioners of Patents, with his Petition,
on the 5th July 1853.
1, HENRY MEYER, of Manchester, in the County of Lancaster,
Engineer, do hereby declare the nature of the said Invention for
"CERTAIN IMPROVEMENTS IN LOOMS FOR WEAVING" to be as follows:--
My improvements relate to looms for weaving fabrics in which
two shuttles are required. At each side of the loom I apply a drop
box containing two compartments, these drop boxes are made to rise
and fall alternately at every pick by means of a tappet fixed on the
tappet shaft acting on levers which are connected to rods projecting
downwards from the drop boxes.
this
Another of my improvements consists in the weft stop motion;
improved weft stopper is formed of an upright grid supported by an'

page_text: elbow lever hinged to the lay, and of a series of plates attached to the
breast beam; the horizontal arm of the elbow lever, when the weft is
in, is raised over a catch projecting from the starting lever by the grid
stopping against the plates, but when the weft is absent the grid passes
between the plates, and the horizontal arm of the elbow lever is not
raised, consequently it comes against the catch and stops the loom in
the ordinary manner.
SPECIFICATION in pursuance of the conditions of the Letters Patent.
and of an order of the Lord Chancellor, filed by the said Henry
Meyer in the Great Seal-Patent Office, on the 21st January 1854.
TO ALL TO WHOM THESE PRESENTS SHALL COME, 1,
HENRY MEYER. of Manchester, in the County of Lancaster. Engineer,
Meyer,
send greeting.
WHEREAS Her most. Excellent Majesty Queen Victoria, by Her
Letters Patent, bearing date the Fifth day of July, in the year of our
Lord One thousand eight hundred and fifty-three. in the seventeenth year
of Eler reign, did, for Herself. Her heirs and successors, give and grant
unto me, the said Henry Moyer, Her special licence that 1, the said
Henry Meyer, my executors, administrators, and assigns, or such others
as 1, the said Henry Meyer, my executors, administrators, and assigns,
should at any time agree with, and no others, from time to time and at
all times thereafter during the term therein expressed, should and law-
fully might make, use, exercise, and vend, within the United Kingdom
of Great Britain and Ireland, the Channel Islands, and Isle of Man,
an Invention for "CERTAIN IMPROVEMENTS IN LOOMS FOR WEAVING," upon
the condition (amongst others) that I, the said Henry Meyer, by an
instrument in writing under my hand and seal, 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.

page_text: NOW KNOW YE, that I, the said Henry Meyer, 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 (that is to say):
My Invention consists, first, in an improved combination of ma-
chinery applicable to looms working with a double drop box at each
end of the lay; and, secondly, in an improved combination of ma-
chinery for stopping the loom in the absence of the weft; and in order
that my invention may be fully understood, and readily carried into
effect, I will proceed to describe the accompanying Drawing, reference
being had to the figures and letters marked thereon.
DESCRIPTION OF THE DRAWING.
Fig. 1, is an end view of a loom to which my improvements are
applied. Fig. 2, is a front view. Fig. 3, another end view, and
Fig. 4, a plan of the same. a, is the crank shaft; b, the tappet shaft ;
c, the connecting links; d, the lay swords; e, the lay bottom: ff, the
shuttles boxes, each of which contains two compartments; and i, the
breast beam these pieces are made in the usual manner.
Upon the
tappet shaft b, is fixed a tappet b', see Fig. 3; this tappet causes the
shuttle boxes to move up or down by acting on an antifriction roller 9,
projecting from the lever g', the fulcrum of which is at g*; to the lower
end of the lever g', is jointed one end of the link g', the other end of
which is jointed to the lever h, fixed on the shaft h', supported in
bearings fixed to the loom sides; to the shaft h', are also fixed two
levers h², to which the rods, h³, are hinged; these rods are jointed
above to the brackets f, attached to the shuttle boxes f, which slide in
the usual manner in grooves in the lay bottom, consequently the
motion given to the lever 'y', by the tappet 6', moves the shuttle boxes
simultaneously up or down. The picking sticks o, are actuated by the
tappets, levers o', rods o, lever and segment o³, seen best in Fig. 4,
or by any other convenient arrangement of mechanism. My improved
weft stopper is constructed in the following manner: near each end
of the breast beam i, is fixed a bracket ; these brackets serve to sup-
port the double elbow levers j, the lower parts of which are formed

page_text: like weft forks, of the usnal construction; these forks enter between
plates or strong dents at each end of the reed when the lay is striking
up the weft. To the double elbow levers j, are also jointed the wires
, which are connected below to angle levers k, seen best in Fig. 4;
these angle levers are hinged at ', to brackets projecting from the breast
beam, and the horizontal levers 7, hinged to the lay bottom, are so
placed that their inner ends, when the batten is home, reach over the
angle levers k';, are stops on the brackets i, to hold the double elbow
levers, in their proper positions after they have been acted upon by
the weft. The outer ends of the horizontal levers 1, are furnished with
projections, the object of which will be explained hereafter. To fhe
breast beam, are also fixed bearings for the shaft m, from which
depend the fingers m', one of which is connected by a screw and nuts to
the spring starting lever a. The mode of operation is as follows:
at every stroke of the batten, if the shuttle is in its box, and the weft
has crossed the shed, the action of the weft on the forks j', when the
reed approaches the cloth, moves one or both of the double elbow
levers in the direction for elevating the angle levers k, and as the
immer ends of the horizontal levers I, are then over the angle levers k,
it is evident that the rising of the wires, depresses the outer ends of
the said levers 7, consequently the projections A. are brought below the
ends of the fingers m, and therefore no action is produced on the
spring starting levern; but if the weft is absent, the lay in advancing
does not alter the position of the double ellow levers, consequently the
projections on the levers 7, remain in a line with the notch in the lower
part of the fingers m', and the advancing of the lay by moving the
end of the fingers m', disengages the spring starting lever », from its
retaining catch, and stops the loom in the ordinary manner by moving
the strap from the fast to the loose pulley. As it is intended in work-
ing this loom to pick both the shuttles from the right to the left hand
side of the loom, and then from the left to the right hand side,
and so on alternately, it is requisite to throw the right hand weft
stopper out of action when the shuttles are both in the left hand
shuttle box, and vice versa: this is effected by the tappets b, fixed to
the tappet shaft; each tappet, acts on an elbow lever P, the longer

page_text: arm of which is connected by a link p', to the bent wire p, shewn best
in Fig. 4; cach bent wire is supported by a bracket fixed to the lay
bottom, and their outer ends reach under the ends of the horizontal
levers 7, consequently when one of the tappets &, nets on one of the
elbow levers p, the bent wire p, in connection with it, is raised, and the
projection ', of the corresponding horizontal lever l, is depressed, so
that when the lay advances towards the breast beam the said projec-
tion does not come in contact with the finger m'. By this means the
loom is not stopped when both the weft threads are on one side of the
fabric, and consequently the other side of the fabric is without weft
between the selvage and the shuttle box.
Having thus described the nature of my Invention, and the manner
of performing the same, I declare that I claim as of my Invention,
first, the improved combination of machinery herein described for
raising and lowering the drop boxes of looms having a double drop
box at each end of the lay; and, secondly, the improved combination
of machinery for stopping looms in the absence of the weft, and the
parts in combination therewith for disengaging the stop motion on one
side of the loom when the shuttles are on the other side.
In witness whereof, I, the said Henry Meyer, have hereunto
set my hand and seal, this Fourth day of January, One
thousand eight hundred and fifty-four.