Improvements in Lappet Motions of Looms for Weaving.
Year: 1895

page_text: Date of Application, 7th Mar., 1895
Complete Specification Left, 26th July, 1895-Accepte 1, 18th Nov., 1895
PROVISIONAL SPECIFICATION.
Improvements in Lappet Motions of Looms for Weaving.
I JOSEPH GALLOWAY of Elswick Terrace, Mellor, near Blackburn in the
County of Lancaster, Designer, do hereby declare the nature of this invention to
be as follows
This invention rolates to improvements´in mechanism used in connection with
looms when weaving what are known as "lappets," the object being to construct
such lappet motions that the pattern or design can be changed more readily, and
economicily than heretofore, and various patterns, or designs can be produced
without changing the pattern barrel, but by merely altering the lattice on saine.
The invention consists in the employment of an ordinary pattern barrel, and lattice
in combination with mechanism for operating same, and tumbler levers or fallers
connected to the usual needle bars of the lappet motion such fallers being operated
by cranked levers and connections from the slay, or by means of n dobby,
According to this invention I mount in a bracket, on one of the slay swords,, a
pattern barrel ou which is an ordinary lattice. On the same shaft as the barrel is
a ratchet whedl, and brake, or steadying wheel. Fixed to the frame of the loom is
a catch, or pawl which at each stroke of the slay engages with the ratchet wheql,
and operates the pattern barrel. Above the pattern barrel are a series of fallers,
or vertical rods connected with tumbler levers, the other ends of which are
connected to the needle bars of the Inppet motion. A bell crauk lover and
connections on the slay, by coming into contact with a fixed part of the loom,
move the fallers in one direction, and a spring, or weight operates the same in the
reverse direction.
The fallers may be connected to a dobby in lieu of the cranked levers and
connections.
"
By the meaus herein set out the needle bars can be controlled from an ordinary
patteru barrel, and lattice so that the pattern of the "lappet can be readily
changed,
Dated thin Kal. dom of Mazob 1805
COMPLETE SPECIFICATION.
Improvements in Lappet Motions of Looms for Weaving.
I, JOSEPH GALLOWAY, of Elswick Terrace, Mellor, near Blackburn, in the
County of Lancaster, Designer, 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 :—
This invention relates to improvements in mechanism used in connection with
looms when weaving what are known as "luppets," the object being to construct
such lappet motions that the pattern or design can be changed more readily and

page_text: economically than heretofore, and various patterns or designs can be produced
without changing the pattern barrel, but by merely altering the lattice on same.
The invention cousists in the employment of an ordinary pattern barrel and lattice
in combination with mechanism for operating same, and tumbler lovers or fallers
connected to the usual needlo bars of the lappet motion, such fallers being operated
by cranked levers and connections from the slay, or by means of a dobby.
Such being the nature and object of my said invention, the following is a
complete description of same, reference being had to the accompanying drawings,
in which :-
Fig. 1 is a view in.elevation of so much of the back part of a loom as is requisite
to illustrate the application of the aforesaid invention.
Fig. 2 is a sectional end elevation on line A. B. of Fig. 1.
Fig. 3 is an end elevation of the pattern barrel and appliances for operating
Baine.
Fig. 4 is a plan view of part of Fig. 1.
Fig. 5 is an end elevation of the pattern barrel and a suitable bracket for
carrying Bame.
According to this invention, I mount in a bracket 1 on one of the slay swonle 2,
a pattern barrel 3, on which is an ordinary lattice 4. On the name shaft 6 as the
barrel 3 is a ratchet wheel 6. Fixed to the frame 8 of the loom is a bracket 9
carrying a catch or pawl 10, which at each stroke or "beat up" of the slay,
engages with the teeth of the ratelet wheel 6, and moves it round one tooth, and
so operates the pattern barrel 3 and the chain or lage 4 carried thereon. Above
the pattern barrel 3 ure a series of fallers or vertical rods 12, 12 connected to the
bell-crank tumbler levers 13, 18, the other ends of which are by links 14 connectedl
to the bars 28, which control the needle bars 15 of the lappet motion. The pins 16
for guiding the shuttle as it crosses the race, are fixed in a bar 17, to which a rising
and falling motion is imparted by the rods 18, 18, in the lower ends of which arc
fixed bowls or runners 19-19 working in vam grooves in the brackets 20-20 fixed
to cross rails of the loom. On the vertical rods 18-18 are cross pieces or
plates 21-21, which serve as hereinafter set forth to raise or lower the needle
bare 15 of the lappet motion. A bell-orank lever 22, mounted on a stud 24 in a
bracket 25 fixed on the slay sword 2, by coming into contact with a fixed part of
the loom 11 (see Fig. ) is turned on the stud 24, and by the links 26 moves the
bars 28 and needle bars 15 in one direction, and springs 27, or weights, operate the
Bamo in the reverse direction,
The action is as follows:-
}
When the loom is in motion, at each "beat up" of the slay, the ratchet
where 6 comes into contact with the watch or pawl 10, and the former is
moved a space of one tooth, and the pattern barrel 3 is also moved so that
the next lag is brought under the vertical rods or fullers 1212. At the same
time, the bell-crauk lever 22 and, its links 26 will have moved the bars 28 to the
right, and this will have carried the pins 29-29 over and in line with the cross
pieces or plates 2.-21. The ping 2920 pass through holes in brasses in the
bars 28, and these pins are fixed in the underside of the needle bars 15-15.
When the slay moves back, the springs 27 or weights, draw all the bars 28 to the
Jeft, unless a peg occurs in the lattice, in which case the faller rests on the top of
the eg and no movement of the bar 16 controlled by this peg takes place. The
bar 15 not being moved, the pin 29 in this bar will remain directly over the lifting
cross piece 21. During the backward movement of the slay, the runners 19-19
move up the cam grooves 20-20, and the rods 18-18 and cross plates 21-21 aro
raised, consequently the pins 29-29 on such plates 21-21 are also raised, aud
these in turn lift the needle bar 15 to which they are fixed.
The "lappet" threads or warps are passed through the eyes of the needles and
are operated in the ordinary and well known manuer, and the pattern of the lappet
can readily and easily be adjusted and changed by changing the positions. and
lengths of the pegs in the Inttice 4.

page_text: There may be one, two, three, or four needle bars 15 with a corresponding
number of levers 13 and fallers 12. The bar 17 is free to slide up and down in
slides 30-30 in the slay swords 2-2. 31 is a grate for steadying the fallers 12-12,
and 32 are springs for steadying the barrel 3 in the position to which it has been
moved, 32 being a spring to prevent the ratchet wheel 6 moving in the wroug
direction, and 33-33 are guides for the rods 18-18, and 34-34 (Fig. 2) are the
ordinary warp threals.
In Fig. 5 the pattern barrel 3 is shewn mounted in a bracket 35 Axed to the
frame of the loom, and a roller 36 is carried in a slot 37 in the opposite end of the
bracket 35, and the position of the roller 36 can readily be adjusted according to
the length of the lattice.
Having now particularly described and ascertained the nature of my said inven-
tion, and in what manner the same is to be performed, I declare that what I
claim is:
(1.) The general construction, arrangement, and combination of parts constituting
the improved "lappet motion," as herein fully described, and substantially as
illustrated by Fig. 1 of the annexed drawings.
(2.) The needle bars 15, pins 29, bars 28, bell-crank levers 13, fallers 12, and
lattice 4, all in combination as and for the purpose herein described, and
substantially as illustrated by the annexed drawings.
(3.) The needle bars 15, pins 29, lifting plates 21, rods 18, and means for operating.
same, and the lappot motion, all in combination, and as and for the purpose herein
described, and substantially as illustrated by the accompanying drawings.
Dated this 95th day of Jul, 1905.
JOSEPH GALLOWAY,
By his Agents, Brierley & Howard,
Penny Bank Chambers, Halifax.