IMPROVEMENTS IN MACHINES FOR SPINNING FIBROUS MATERIALS
Year: 1884

page_text: DIFICATION.
I WILLIAM ROBERT LAKE of the firm of Haseltino Lake & Co Patent Agents
Southampton Buildings London in the County of Middlesex do hereby declare the
nature of said Invention for "IMPROVEMENTS IN MACHINES FOR SPINNING
FIBROUS MATERIALS" 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 spinning-machines more particularly designed for
spinning hemp, flax, tow, jute, and the like, and its object is to provide improved
means for regulating or controlling, in an automatic manner, the retardative power
with which the weighted brake-cords act upon the bobbins, by gradually shifting
the position of the said weighted brake-cords by means of some suitable feeding
apparatus operated during, the working of the machine, by the usual and well-
known vertical movement of the reciprocating copping plate, so that the brake-cords
will act upon the bobbins to be spun on, with a gradually increasing retardative
power.
The said Invention, consists in the combination, with the copping-plate of a
spinning-frame, of a movable, or sliding, bar or rail connected with the said
weighted brake-cords, or of two or more such bars, or rails, which will allow of
being moved or shifted in a lateral direction, so as to cause a gradual and
controllable increase of the retardative power produced by the said weighted
brake-cords.
In spinning-machines as heretofore constructed, the notched rail serving for the
reception of the said weighted brake-cords, and the opposite rail with which the
knotted ends of said cords are connected, are secured rigidly upon the copping-
plate, and the necessary regulation of the retardative power is obtained by shifting
the brake-cords carrying the weights, by band. According to the present Invention
the said shifting of the brake-cords and their weights is produced automatically by
the machine whose reciprocating copping-plate is caused to operate a suitable
feeding apparatus which will impart an intermittent lateral motion to one or more
of the rails loosely arranged upon the said copping-plate, and connected with the
said brake-cords.
The improved feeding apparatus constructed according to this Invention is
llustrated in the accompanying Drawing in combination with a notched rail

page_text: connected with the said brake-cords arranged in a sucing position upon the
copping-plate of a spinning-machine.
Figure 1 is an end view and
Figure 2 is a vertical transverse section of the copping-plate provided with the
improved mechanism.
Figure 3 is a front view, and
Figure 4 is a plan, or top-view, of the entire mechanism.
In the arrangement illustrated in the Drawing the notched front rail only is
arranged loosely upon the copping-plate while the rear rail having the knotted
ends of the brake-cords fastened to it, is rigidly secured to the said copping-plate.
The purposes of this Invention would be answered equally well if the said rear-rail
were arranged loosely upon the copping-plate, and connected with the feeding-
apparatus, imparting an intermittent lateral motion to the same, the notched front
rail, in such instance, being applied either loosely or rigidly to the said copping
.plate.
A indicates the copping plate, and B the sliding front-rail, or bar the latter being
provided, near one end, with the nut whose thread engages with the thread on
the spindle D. This spindle D is journalled in the bearing E of the copping-plate
in such a manner as to allow of being readily rotated in the said bearing.
F indicates a ratchet-wheel rigidly secured upon one end of the spindle D, and G is
an arın, or lever, fulcrummed upon the axis of the spindle D and carrying a
pawl H which engages with the teeth of the ratchet-wheel F.
I indicates an arm cast on the bearing E and carrying the pawl K which engages
with the teeth of the ratchet-wheel F, likewise. Two angle-irons are secured to
the frame of the spinning-machine by means of screws, and provided with the
set-screws M and N adjustably applied thereto. On setting the spinning machine
to work, the copping-plate A will be reciprocated vertically in the manner well-
known, the extent of the said up and down movement corresponding with the clear
** space, or height, of the bobbin O. In order to cause the spun yarn to be wound
upon the bobbin, it necossary to place the brake-cord Q carrying the weight P,
into the circular groove R of the bobbin O (Figure 2) and to so much shift or press
tho said brake-cord against the said bobbin, as to act upon the latter with a
retardative power dependent on the thickness of the yarn to be spun, as is well
known in the art of spinning.
In a spinning machine con-tructed in conformity with the above stated principles.
the brake-cords are adjusted automatically in order to produce the gradual increase
of the retardative power in the same relation as the layers of yarn on the bobbins
are growing thicker, and with the feeding-apparatus as hereintofore described.
This said self-acting adjustment is obtained as follows, that is to say, at every rise
of the copping-plate A and threaded spindle D, the lever G, whose pawl H engages
with the ratchet-wheel F, is arrested by the set-screw M, and as the said lever can
turn on the said spindle D it follows that the wheel F thus arrested by the
pawl H, and the threaded spindle D rigidly connected with the said wheel, will
be rotated during the further upward movement of the copping-plate A, and the
< rotation of the said spindle will cause the nut C and its notched sliding rail B
⚫ carrying the weighted brake-cords Q, to be drawn or shifted in the desired lateral
direction. On every descent of the copping-plate, the lever G is arrested by the
- set-screw N which will cause the pawl H to take hold of so many teeth of the
ratchet-wheel Fagain as have been pushed forward by the said pawl while the lever G
was arrested by the said screw M during the ascent of the said copping plate, a
retrogade movement of the said ratchet-wheel being prevented by the pawl K.
By thus drawing, or sliding, the notched front rail in a lateral direction, all tho
brake-cords Q and their weights P are moved laterally, likewise, and such lateral
movement is repeated on every stroke of the copping-plate A until all the bobbins O
are spun full, and the brake-cords and weights have changed from the position P Q
into the position Q' P¹ (Figure 4).

page_text: In machines which are employed for spinning heavy yarns, and, consequently,
will require a more powerful brake, the rear rail running parallel with the notched
front rail, and holding the knotted ends of the brake-cords Q may also be marle
sliding. It will be readily seen that as the said rear-rail will then in the same
time make the same way as the front rail B, the brake-cords Q will act upon the
bobbins O with twice the retardative power as compared with the retarding power
obtained from the arrangement illustrated in the Drawing.
Having now particularly described and ascertained the nature of my said
Invention and in what manner the same is to be performed, I declare that I claim
in a spinning machine
First. The combination with the reciprocating copping-plate, of a feeding
apparatus intermittently actuated by the reciprocating movement of the said
copping plate to automatically shift the position of the weighted brake-cords and
thus to produce a gradual increase of their retardative power substantially as, and
for the purpose, specified.
..
Second. The combination with the reciprocating copping-plate, of one or more
rail or rails applied to the copping-plate in a sliding position and connected with
the weighted brake-cords, substantially as, and for the purpose, specified.
Third. The combination with the notched rail B having the nut C and imparting
motion to the brake-cords Q, of the threaded spindle D substantially as, and for
the purpose, specified.
Fourth. The combination with the copping-plate A having the bearing E, and
the threaded spindle D carrying the lever G with the pawl H, of the ratchet
wheel F, substantially as, and for the purpose, specified.
Fifth. The combination with the ratchet-wheel F and the arm or lever G, having
the pawl H, of the adjustable arresting-screws M and N substantially as and for
the purpose specified.
Sixth. The combination, with the arm I rigidly secured to the copping-plate A
and having the pawl K, of the ratchet-wheel F fustened upon the threaded
spindle D, and the arm G mounted loosely upon the spindle D and having its
motion limited by the set screws M and N respectively, substantially as, and for
the purpose, specified.
Dated this 94th day of March 1991