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Патент USA US2401452

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5m 4', 1946.
wémwuv
V ~2,401,452
GAUZE WEAVING LOOM
Filed July 16, 1945
3 Sheets-Sheet l
June 4, 1946.
'
' MBANYA]
2,401,452
GAUZE WEAVING. LOOM
Filed July 16, 19-45
3 Sheets-Sheet 2
MAuRUs BANYAI
115*”
may:
June 4, 1946.
M. BANYAI
2,401,452 _
GAUZE WEAVING LOOM
Filed July 16, 1943
5 Sheets-Sheet s
Patented June 4, 1946
2,401,452
UNITED STATES PATENT OFFICE
2,401,452
GAUZE WEAVING LOOM
Maurus Banyai, Glasgow, Scotland, assignor to
M. Banyai Limited, Glasgow, Scotland, a cor
poration of Great Britain
Application July 16, 1943, Serial No. 494,950
In Great Britain June 5, 1942
2 Claims.
(Cl. 139—55)
1
2
This invention relates to improvements in
warp-shedding mechanism for looms for use in
and actuated by an eccentric S4, strap 65, and
rod 66, from the crankshaft 6‘! of the loom. The
lever 6| is provided with warp-guiding rods 68, 69.
weaving semi-gauze fabrics.
Warp-shedding mechanism according to the
invention includes an assembly of plate or like
members arranged in closely spaced relation in
On the change of shed the warp thread 5| is
maintained at about the same tension, and the
warp thread 5|a is brought to about midway of
a row for joint angular movement about a com
the height of the shed without healds being re
mon axis and each formed with two apertures
quired for this purpose.
adapted for penetration each by a warp thread.
The tensioning lever 6| answers these require
For the purpose of Weaving a semi-gauze fabric 10 ments by reason that it gives slack to the warps
each plate or the like is provided with one eye
by the movement of the guide rod 68 and at the
and with an elongated slot, and a warp is led
same time by means of the rod 69 takes up the
through the eye and another warp is led through
slack.
Fig. 2 is a section of a portion of semi-gauze
the slot, so that, when the plate assembly is par
tially rotated through an angle of something less 15 fabric.
than one hundred and eighty degrees, the warps
What is claimed is:
passing through the eyes are raised and lowered
1. In a warp-shedding mechanism for a semi
to form a shed for passage of a Weft-carrying
gauze weaving loom including an assembly of
registering plate-like members arranged in closely
shuttle, and the warps passing through the slots
merely slide from end to end of the slots.
20 spaced relation in a row for joint angular move
Warp-shedding mechanism according to the
ment about a common axis, in which each of the
invention is illustrated diagrammatically in the
plate-like members is formed with two apertures,
accompanying drawings in which Fig. l is a part
each adapted for penetration by a warp extend
ing across the respective member transversely of
side elevation part transverse vertical section of
the axis of the members, with one of the apertures
mechanism embodying the invention, Figs. la
being in the form of a warp-guiding eye and the
and 1b are views similar to Fig. 1 but showing the
other aperture being in the form of an elongated
mechanism in different positions of its operation,
slot, tension means for the warps including a
and Fig. 2 is a fragmentary sectional view of a
semi-gauze fabric.
rock-lever rockable about an axis parallel with
The warps or the Weft or the warps and wefts 80 the common axis of the plate-like members, two
warp-engaging guide rods mounted on said rock
may consist of textile or like threads or yarns, or
lever, said guide rods being spaced from each
of metallic wires.
other and each spaced from the pivoted axis of
The construction shown in Figs. 1, 1a and 1b
the rock-lever, and means for actuating said rock
is adapted for weaving semi-gauze fabrics and
consists of a plurality of plates Illa strung On a 35 lever in synchronism with the movement with the
plate-like members, said warp-engaging guide
common oscillatory shaft 49 and each provided
rods being so positioned on the rock-lever, and
with an eye aperture 50 penetrated by a warp
the movement of the rock-lever being so synchro
thread 5| and with an elongated slot 52 pene
nized with the movement of the plate-like mem
trated by a warp thread 51a. The eye aperture
50 is positioned outward of the slot 52 and be 40 bers that on a change of shed, one warp-engaging
guide rod moves in a direction to give slack to the
tween it and the adjacent edge of the plate.
warp, while the other warp-engaging guide rod
When the plate assembly is oscillated through
moves in a direction to take up slack of the warp.
an angle of the order of one hundred and forty
2. In warp-shedding mechanism for a semi
?ve degrees, say, the warps 5| are alternately
raised and lowered. The raised warps form a 45 gauze weaving loom including an oscillatory shaft,
an assembly of registering plate-like members ar
shed 53 for passage of a thread-carrying shuttle
ranged in. closely spaced relation in a row for
54. The warps 5la merely slide within the slots
joint oscillatory movement with said shaft, in
which each of the plate-like members is. formed
56 on a rock lever 51. A link 58 connects the 50 with two apertures, each adapted for penetration
52 of the plates. The plate assembly is oscillated
by a driven rotary cam 55 engaged by a follower
lever 51 with a gear segment 59 which meshes
with a gear segment 60 carried by the shaft 49.
6| denotes a warp-tensioning rock lever pivoted
at 62 on the gable 63 of the loom to rock about
an axis parallel to the common axis of the plates 55
by a warp extending across the respective mem
ber transversely of the axis of the shaft, one of
the apertures being in the form of a warp-guiding
eye and‘ the other aperture being in the form of
an elongated slot, tension means for the warps
2,401,452
including a rock-lever rockable about an axis par
alel with the axis of the shaft, two warp-engag
ing guide rods mounted on said rock-lever, said
guide rods being spaced from each other and each
spaced from the pivot axis of the rock-lever, and
means for actuating said rock-lever in synchro
nism with the movement with the plate-like
members, said warp-engaging guide rods being so
4
positioned on the rock-lever, and the movement
of the rock-lever being so synchronized with the
movement of the plate-like members that on a
change of shed, one warp-engaging guide rod
moves in a, direction to give slack to the warp,
while the other warp-engaging guide rod moves
in a direction to take up slack of thewarp.
-
MAURUS BANYAI.
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