Improvements in or relating to Jacquards and the like Employed in Looms.
Year: 1889

page_text: Date of Application, 20th Mar., 1889
Complete Specification Left, 18th Dec., 1889-Accepted, 15th Mar., 1890
PROVISIONAL SPECIFICATION.
Improvements in or relating to Jacquards and the like Employed
in Looms.
WILLIAM CUNNINGHAM Woodhead Street Dunfermline Manufacturer and ROBERT
HUTCHISON Woodhead Street Dunfermline Machine Maker do hereby declare the
nature of this invention to be as follows:-
The cards, which may be Jacquard, or the like, are moved forward by a cylinder,
which moves round the distance of one row of holes, or two, or more, as required.
Dated this 19th day of March 1884.
WILLIAM CUNNINGHAM.
ROBERT HUTCHISON.
COMPLETE SPECIFICATION.
Improvements in or relating to Jacquards and the like Employed
in Looms.
WM. CUNNINGHAM Manufacturer Woodhead Street Dunfermline N.B. and
ROBERT HUTCHISON Machine Maker Woodhead Street Dunfermline N.B. 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 :-
The cross lever A fixed on the rocking shaft B raises the lifter C of one row of
upright wires Z, at the same time lowering the lifter C of the corresponding row of
upright wires. Fixed on the lifter is an upright toothed bar D, working into a
toothed pinion E, on the shaft F of which is fixed an eccentric pulley (behind E),
which pushes back the spring-box H each time the lifter Cor C² rises, and each time
the lifter or C descends. When the spring-box H moves back, it pulls back with
it the horizontal needles Y each of which has two long eyes Y & Y which surround
an upright wire Z of each of the two rows of upright wires. The eyo Y¹ & Y is long
enough to allow the needle Y free play when the upright wire Z is raised by the
lifter or C; but the loop of the upright wire Z, when lowered, fills the eye Y
or Y and any movement of the needle Y then causes a like movement of the upright
wire Z. So, when the lifter C is up, the uprights Z raised by it are not affected by
the action of the needles Y; while the uprights Z of the other row on lifter ((their
loops Z being sunk into the eyes Y') are moved in response to the action of the
needles Y.
The cards J that operate on the needles Y are moved round by the nibs K fastened
to two circular pulleys fixed on a shaft M at the end of which is a toothed pinion N.
This pinion N can be turned any distance required, by regulating the catch O which turns
it. The catch O slides backwards & forwards on guide V, and is moved by a crank P
fixed upon the end of the shaft F. When the cards are wanted to work only one row
at a time the catch O takes only one tooth until the last row of the card J is wrought.
The joining of the cards is equal to the distance of one row so the catch then pulls
a distance of two teeth, owing to the projection of a special tooth R over the distance
of two teeth. By regulating the travel of the catch 0, or the distance of the projection
of the special tooth K, a greater or lesser number of teeth may be drawn as desired
so that one, two or more rows may be used at one time. The machine may be applied to
looms working huck, honeycomb, crepe, diaper, twill, or plain cloth and the like by
means of a dobbie machine or the like. It then weaves lettering, damask designs,
and the like for any length desired. When the lettering or the like is finished the
catch O is lifted and the cards J cease to turn, and the needles Y are pulled back
from the lifts C and C³, without requiring to stop the loom. Nor is it necessary to
I Prine 21

page_text: stop the loom when the machine is again wanted to act, which it does on the catch
being dropped & the needles Y allowed to spring forward on the lifts.
The cards J pass round close to the needle board & the needles Y are pulled back
flush with it to clear the cards. The travel of the needles is very short and as they
are only gently pressed upon the cards, there is much less wear of the cards ihan is
possible by old way. The wear is further reduced by the absence of all jerking in the
working of the cards, due to the rotary movement of the cylinder on a fixed centre.
The machine can be made "single action" by removing lift C', & replacing toothed
pinion E by a larger pinion which causes the shaft F with excentrics for spring box H
and crank P to turn only half the distance it formerly did, & only acts when the
lift C is raised, causing the cylinder to turn once instead of twice.
The machine will work at much higher rate of speed than other.
any
Having now particularly described and ascertained the nature of our said Inven-
tion, and in what manner the same is to be performed, we declare that what we
we claim is :
1. The needles are pulled back flush with the needle board to allow the cards to
pass by any suitable motion.
2. The needles have only a short travel and are only gently pressed upon the card,
causing much less wear of the cards than is possible by old way.
3. The machine will work at much higher rate of speed than any other jacquard
machine.
4. The cylinder simply rotates: having no to and fro travel there is almost no
friction.
5. The cards are not jerked in any way; hence they will wenr much longer.
6. The cards may be wrought any number of rows at a time, allowing a great
saving of cards in small designs.
7. The machine can be made "single action" by working one lifter only and
turning the cylinder once instead of twice.
8. The machine can be applied to looms already working dobbic or the like machines
to insert, for any required length, lettering, damask designs, or the like, allowing
huck, honeycomb, crepe, diaper, twill, or plain cloth and the like, to be woven before
and after the weaving of the lettering and the like.
Dated this Sixteenth day of December 1889.
CLANE
WM. CUNNINGHAM.
ROBERT HUTCHISON.