Improvements in or relating to Apparatus for Weaving Carpets.
Year: 1894

page_text: Date of Application, 13th July, 1894
Complete Specification Left, 12th Oct., 1894-Accepted, 17th Nov., 1894
PROVISIONAL SPECIFICATION.
Improvements in or relating to Apparatus for Weaving Carpets.
!, IGNAZ GINZKEY, of Maffersdorf, Austria, Manufacturer, do hereby declare
the nature of this invention to be as follows:-
This invention has reference to improvements in or relating to apparatus for
weaving carpets such as Axminster carpets in which a chenille weft is used.
The insertion or introduction of the chenille into the shed by mechanical means
has hitherto rendered it necessary that there should be a comparatively large space
at both sides of the loom, particularly in those in which wide fabrics are woven,
since the ordinary arrangements serving to effect said insertion carry the shuttle
over the entire width of the shed, and when at rest are located on either side of
the loom.
Now this disadvantage is obviated by the apparatus according to this invention,
in which two inserting devices are arranged symmetrically one at each side of the
loom and are adapted to be extended or protracted and contracted by means of
chain gear; one of these devices pushes the shuttle as far as the middle of the
shed, whereupon the other device grasps the shuttle at the middle of the shed, and
draws it along to the other end of the shed.
An apparatus constructed according to this invention is illustrated in the
accompanying drawings in which :-
Fig. 1 is a front elevation of the general arrangement of a carpet loom with the
inserting devices in the extended or drawn-out condition;
Fig. 2 an end elevation of the carpet loom;
Fig. 3 a plan of one of the inserting devices in the drawn-out position;
Figs. 4, 5 and 6 a side elevation, cross section and plan respectively of the
inserting device in the inserting position; and
Fig. a detail view illustrating the arrangements for holding the shuttle on the
inserting device, and the arrangements for disengaging the said holding device.
a a, are two levers fixed in a pendulating manner, one on each side of the loom A.
These levers a are connected by connecting rods b with the ends of the two-armed
lever c which is pivoted at the middle of the loom, in such a manner that said
levers a are compelled, when moved, to vibrate simultaneously towards or away
from each other. The lower ends of these levers a are connected by radius rods d
with the devices for inserting the shuttle.
Each of the two inserting devices consists of a number (three in the arrangement
shown) of bars 1, 2 and 3, working telescopically in one another, which are
connected together by two endless chains e' working over pulleys mounted on pins
projecting from two of the sections the other two sections being connected to the
respective chains in the manner shown in the drawings, so that on one of the bars
or sections, for instance the bar 1, being pushed out by means of the radius rod d,
the other two bars or sections 2 and 3 will also be pushed out, the arrangement.
being such that the forward ends of the bars 3 are brought almost up to the middle
of the loom, although the oscillation of the levers a is but small.
The bar 3 is provided at its forward end with a hollowed out head e of cup shape
on which the device for holding the shuttle s is mounted.
This holding device consists of a hook f bevelled at its forward end, pivoted upon
the head e, and adapted to enter the hollow in the head e through a slot formed in
the top thereof as shown at the right hand of Fig. 4. A cross pin fixed to the
hook frests on the back of a lever g which is also pivoted on the head e.
Near to

page_text: the head or forward end there is fixed a ratchet wheel having four teeth and to
which a rectangular double cam ¹ is connected. This double cam h¹ is situated
under the lever g which assumes its lowest position when the cam is in the position
shown in Fig. 4 (right hand portion), the result being that the book enters the
hollow in the head e.
But when the inserting device-is pushed yout or moved in the direction of the
arrow a towards the middle of the loom, one of the teeth of the ratchet wheel h
comes in contact with a hook k which is pivoted on the framing of the loom A and
is provided with an inclined head ¹, and rotates the ratchet wheel to the extent of
one tooth:
As the ratchet wheel makes a quarter of a revolution during this operation, the
cam lifts the lever g, which raises the hook fout of the slot in the head e by
means of the pin f' (see Fig. 7).
The cup-shaped head e serves for the reception of a pin provided on the
shuttle 3, said pin being formed on its upper side with a recess into which the
book fenters when it is in the position shown in Fig. 4, in such a manner that
the shuttle is firmly held thereby.
As stated at the commencement, there is arranged on each side of the loom an
inserting device of the kind herein described, as may be seen from Fig. 1.
Consequently all the hereinbefore mentioned parts are arranged symmetrically on
both sides.
But the ratchet wheels h and the rectangular cams h' connected therewith, are
arranged in such a manner that when one cam has lifted its corresponding
hook fout of the recess in the pin as shown in Fig. 7, the other cam has
released the lever g and hook f, which has entered the recess and thus firmly
holds the pins of the shuttle..
At the commencement of the work, the two levers a are situated in the extreme
outer positions indicated by dotted lines. On the movement of the levers a the
pull of the bar / brings the levers into the inner end position indicated by full
lines, by which operation the shuttles is pushed by one of the devices say, the
right hand one, towards the middle, being released by the right hand hooks kk'.
At the same time the left hand head e of the inserting device is moved over
the left hand pin s' of the shuttle, which latter is then seized and held firmly
by the left hand hook f, because, as before stated, this hook is then situated in
the lowest position.
When now the levers a are again rocked in an outward direction, the left hand
bead e takes the shuttle along with it, drawing it to the left hand end of the shed.
When now the levers a are again moved inwardly, the shuttle is again pushed
as far as the middle, and then brought by the right hand device to the right hand
end of the shed, and so forth.
נימ
101
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COMPLETE SPECIFICATION.
improvements in or relating to Apparatus for Weaving Carpets.
I, IGNAZ GINZKEY, of Maffersdorf, Austria, Manufacturer, 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 has reference to improvements in or relating to looms for weaving
carpets, such as Axminster carpets, in which a chenille weft is used. The insertion
or introduction of the chenille into the shed by mechanical means has hitherto
rendered it necessary that there should be a comparatively large space at both sides

page_text: of the loom, particularly in the case of looms in which wide fabrics are woven
because the ordinary arrangements which serve to effect the insertion of the shuttle
into the shed, carry the shuttle over the entire width of the warp, and when at
rest are located on one or other side of the loom.
Now this disadvantage is obviated by apparatus according to this invention,
which comprises two inserting devices arranged symmetrically one at each side of the
loom and each adapted to be extended and contracted by means of chain gear, one of
these devices serving to push the shuttle as far as the middle of the shed, the other
device to thereupon grasp the shuttle and draw it along to the other end of the
shed. An apparatus constructed according to this invention is illustrated in the
drawings filed with my Provisional Specification, wherein,
Fig. 1 is a front elevation of the general arrangement of a carpet loom with the
inserting devices in the extended or drawn-out condition;
Fig. 2 is an end elevation of the carpet loom ;
Fig. 3 is a plan of one of the inserting devices in the drawn-out position;
Figs. 4, 5, and 6 are respectively a side elevation, a cross section, and a plan of
one of the inserting devices in the position for inserting a weft; and
Fig. 7 is a detail view showing the device employed for holding the shuttle on
the inserting device, and also the means for disengaging the said holding device.
a a are two pendulous levers arranged one on each side of the loom A and con-
nected by rods to the ends of a two-armed lever c pivoted at the middle of the
loom, the arrangement being such that the levers a are compelled, when
noved, to vibrate simultaneously towards or away from each other. The lower
ends of the levers a are connected by radius rods d with the devices for inserting
the shuttle.
Each of the two inserting devices consists of a number (three in the arrangement
shown) of bars or sections 1, 2 and 3 which work telescopically in one another, are
supported by a suitable guide-bar, and are connected together by two endless
chains that work over pulleys mounted on pins projecting from two of the
sections the remaining section and the guide bar being connected to the respective
chains, in the manner shown in the drawings, so that on one of the bars or sections,
for instance the bar 1, being pushed outwards by means of the radius rod d, the
other two bars or sections 2 and 3 will also be pushed outwards. The arrangement
is such that the forward ends of the sections 3 are brought almost up to the middle of
the loom, although the oscillation of the levers a is but small.
Each bar 3 is provided at its forward end with a head e of tubular or cup shape,
on which is mounted the device for holding the shuttle s. This holding device
consists of a hook bevelled at its forward end, pivoted upon the head e, and
adapted to enter the hollow in the head e through a slot formed in the top of the
head, as shown at the right hand side of Fig. 4. A cross pin f' fixed to the
hook frests on the back of a lever g which is also pivoted on the head 'e. Near to
the forward end of the head e there is fixed a ratchet wheel h which has four teeth
and to which a rectangular double cam his connected. This cam is arranged
below the lever g which assumes its lowest position when the cam is in the position
shown in Fig. 4, the result being that the hook ƒ then enters the hollow in the
head e.
When however the inserting device is pushed outwards, i.e. moved in the direction
of the arrow a (Fig. 4) towards the middle of the loom, one of the teeth of the
ratchet wheel comes into contact with the head of a book k pivoted on the
framing of the loom A, and is thereby caused to rotate to the extent of one tooth.
As the ratchet wheel makes a quarter of a revolution during this operation, the
cam lifts the lever g, which raises the book fout of the slot in the head e by
means of the pin f1 (see Fig. 7).
The cup-shaped head e serves for the reception of a pin s¹ (Fig. 1) provided on
the shuttles, the said piu being formed on its upper side with a recess (Fig. 3)
in which the hook f engages, when it is in the position shown in Fig. 4, in such a
manner that the shuttle is then firmly held thereby.
•

page_text: As herein before stated, an inserting device of the kind described is arranged on
each side of the loom as shown in Fig. 1; and all the herein before mentioned parts
of the two devices are arranged symmetrically on the two sides of the loom. The
ratchet wheels and the rectangular cams h' connected therewith are however
arranged in such a manner that when one cam has lifted the corresponding
hook out of the recess in the pin s', as shown in Fig. 7, the other cam h¹ will
have released the corresponding lever g and hook f, so that the latter will be free
to enter the corresponding recess and thus firmly hold the pin s¹ of the shuttle
in place.
At the commencement of the work, the two levers a are situated in their extreme
outer positions, indicated by dotted lines in Fig. 1. On the inward movement of
the said levers, caused by a pull on the bar I connected to one of them, the levers
are brought into their extreme inner position, indicated by full lines, by which
operation the shuttles will be pushed' by one of the devices, say the right hand one,
towards the middle of the loom, the said shuttle being released by the right hand
hook when the right hand head e passes under the same.
The head e of the left hand inserting device will, at the same time, have been
moved over the left hand pin s' of the shuttle, which latter is then seized and held
firmly by the left hand hook f, because this hook will be then located in its lowest
position.
When, now, the levers a are again rocked in an outward direction, the left hand
head e will take the shuttle along with it, drawing it to the left hand end of
the shed.
When the levers a are again moved inwardly, the shuttle is again pushed as far
as the middle of the loom, and then brought by the right hand device to the
right hand end of the shed, these operations being repeated during the working of
the machine.
Having now particularly described and ascertained the nature of the said inven-
tion and in what manner the same is to be performed I declare that what I
claim is:-
1. In a loom for weaving carpets apparatus for inserting a chenille weft into the
'shed, consisting of two inserting devices such as 1, 2, 3, arranged symmetrically on
the two sides of the loom and capable of being extended and contracted by means
of chain gear, the arrangement being such that each of the said devices in turn will
push the shuttle as far as the middle of the shed whereupon the other device will
then seize the shuttle and draw it to the other end of the shed, as set forth.
2. In a loom for weaving carpets, weft thread inserting apparatus, constructed,
arranged and operating substantially as herein before described with reference to
and shown in the drawings.
Dated this 12th day of October 1891.
F. WISE HOWORTH,
46, Lincoln's Inn Fields, London, W.C., Agent for the Applicant.