Improvements in Apparatus for Measuring Fabrics in and for Stopping Looms.
Year: 1890

page_text: Date of Application, 20th Aug., 1890
Complete Specification Left, 1st Apr., 1891-Accepted, 20th Aug., 1891
PROVISIONAL SPECIFICATION.
Improvements in Apparatus for Measuring Fabrics in and for
Stopping Looms.
I, GEORGE GAWTHORPE of 16, Helliwell Street, Colne, in the County of
Lancaster, Warp Dresser, do hereby declare the nature of this invention to be
as follows:-
This invention relates to an indicator and stop-motion to knock-off the loom at a
given distance as the cloth is woven. The improvements consist in the employment of a
screw-shaft, upon which is caused to traverse a suitable bracket, in such a manner,
that at the completion of a given length of fabric, it will knock-off the spring handle
or weft fork lever to stop the loom.
The bracket is adjustable upon the screw-spindle to various lengths of cloth; the
greater the distance the bracket is set, upon the screw-spindle, from the stop motion
at the commencement of the traverse, and the longer will be the length of fabric
woven before the stop-motion is put into action by the bracket.
'
Dated this 19th day of August 1890.
THOS. RICHMOND,
Agent.
COMPLETE SPECIFICATION.
Improvements in Apparatus for Measuring Fabrics in and for
Stopping Looms.
GEORGE GAWTHORPE Warp Dresser 16 Helliwell Street removed to 12 Stone
Edge View, Barrowford near Nelson Grindlestonehurst, Colne Lancashire 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 :-
It consists of a screw or worm No. 6 working horizontally, in bracket marked
Fig. A in drawing, the bracket being fixed to and parallel with breast beam of
loom at the weft fork side of loom. At the end of screw is fixed a wheel No. 4.
having rows of pins in outer edge, which being held in contact with cloth or
fabric being woven imparts motion to the screw. At No. 3 will be found the
traveller, in the centre of which is a half circle threaded to fit the screw, at one end
is a fork to carry the measuring bar marked No. 1 the other end being bored
to fit the wire No. 8 which is placed parallel with screw & measuring bar as
shewn in drawing, & serves the purpose of carrying & of holding in position the
traveller No. 3.
When working the motion of the screw carries the traveller No. 3 towards the
weft fork side of the apparatus, and upon reaching the slot in measuring bar
marked No. 1, the traveller looses its hold and the bar drops, the effect of which is
to cause the tongue No. 7 pivoted in bracket 5 on weft fork holder to drop
upon the hammer of loom, it having previously been held suspended over it, by the
curved part at end of measuring bar, at the same time the tongue drops into the
ratchett wheel, marked No. 2. carrying it forward one tooth, the teeth being
numbered, thus indicating the number of lengths woven, the action of the tongue
falling upon the hammer of loom causes the loom to stop. It is self contained, and
can be adjusted to any length required almost instantaneously it is certain in action
and will work either back or forward, the various textures of material & number of
picks or shots, do not affect it and the loom cannot be restarted until the weavers
Price 6dl

page_text: attention has been called to the resetting of it, which is effected by raising the end
of measuring bar No. 1 when the traveller No. 3 will slide back to its place, the
motion is imparted direct from the cloth to the apparatus. The novelty in the
traveller being in the threaded half circle enabling it to be slid back to the starting
point by simply raising the measuring bar No. 1 the measurements are obtained by
calculating diameter of wheel No. 4 with the number of threads per inch on screw
spindle No. 6 the greater the distance the traveller is set upon the screw spindle at
commencement of traverse, the greater will be the length of fabric woven, before
stop motion is put in action.
Nos. 10. The dotted lines in Figs. E & F are the pin holes for securing and
pivoting of measuring bar No. 1.
B. & C. are bearings in bracket Fig. A carrying the screw No. 6.
d is a slot in measuring bar No. 1 made by cutting away half the thickness of the
bar, when the traveller No. 3 reaches this thin place it loses its hold, the measuring
bar drops and brings into action the stop motion No. which it has been suspending
over hammer of loom.
is a flat spring in contact with and controlling ratchet wheel No. 2.
Figs. E & Fare end views of bracket "Fig. A." Fig. E is shewn carrying
ratchett wheel No. 2 which is secured on end of wire or spindle No. 8, the curved
end of measuring bar No. 1 is shewn in position immediately above, the spring g
being fixed below the ratchett wheel. Fig. F is shewn carrying rose wheel fixed upon
end of screw shaft No. 6 the cloth or fabric being woven passing over the top of
this wheel.
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
The adaptation of rose wheel Fig. 4 & screw spindle marked No. 6 carrying
a bracket or traveller marked No. 3 in drawing and which is adjustable through
the part working on screw spindle having only half of tap hole cut away, together
with the measuring bar marked No. 1 and the tongue marked No. 5 to the purposes
of measuring fabrics in & stopping looms, and that I am the true and first inventor
thereof.
Dated this 28th day of April 1891.