Year: 1892

page_text: te of Application, 29th Mar., 1892-Accepted, 18th June, 1892
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 :-
Our present invention has for its objects to provide an attachment for spindles,
which shall facilitate the removal of full and the application of empty bobbins
without the waste and annoyance the present method and devices entail and as well
to provide an improved packing for the bobbins, simple and cheap in construction
and admirably adapted to the purpose, and to these and other ends the invention
consists in certain improvements in construction and combinations of parts, all as
will be hereinafter described and the novel features pointed out in the claims at the
end of this Specification.
In the drawings:
Figure 1 is a side view of a spindle in a mule frame showing the application of
our invention.
Figure 2 a vertical section of the spindle and attachments.
Figure 3 a view of the parts of our attachment separated.
Figure 4a sectional view on the line - of Figure 2 drawn to a larger scale.
Similar numerals and letters of reference in the several figures indicate similar
parts.
Referring particularly to Figure 1, A. indicates a portion of the carriage of a
mule carrying the spindle operating devices and the faller wires B, C, supported on
arms D, D', on shafts E and F respectively. 1 indicates the spindle of the usual
construction upon which, slightly above the top of the carriage, is secured a sleeve 2
preferably split longitudinally near its lower end and provided with a stationary
collar or ring 3 beveled and preferably slightly roughened on the beveled edge as
shown. Arranged on the sleeve 2 below collar 3 is a collar 4 preferably having a
corresponding beveled edge and held normally pressed against collar 3 by a spring 5
confined on the sleeve by a collar 6 held in position by a screw 7 passing through
it and engaging the sleeve 2, said screw serving not only to hold the collar in place
but also to clamp the sleeve 2 tightly to the spindle, thus providing a simple and
secure means of attachment.
The portion of the sleeve 2 extending above the collar 3 is formed into a number
of projections or tongues 8, each of which are somewhat rounded on the outer side
and slightly flattened so as to bear on the spindle within, at their centers as in
Figure 4. This construction ensures the proper gripping of the bobbin when
placed on the spindie, by the edges of the tongues, while the pressure of the tongues
on the inner surface of the bobbin will be lateral rather than longitudinal by which
arrangement the tongues will not be liable to lose their elasticity and permit the
bobbin to come loose as if they were flexed in the direction of their length.
A suitable shaft 10 is arranged in bearings upon the top of the mule carriage A
and at suitable intervals upon it are fastened arms 11 bearing at their outer ends a
blade or wire 12 preferably tapering in cross section with its sharp edge toward the
spindles as shown and extending the whole or a portion of the length of the carriage,
so that when moved inward it will pass between and separate the two collars 3 and 4
when they may be held separated, if desired. We have shown a handle 13 on this
shaft for rocking it and causing the separation of the clamping jaws, but this is
only one form of operating device and any other could as well be used. In practice,
the shaft-operating devices which may consist of a worm or a worm-wheel, are

page_text: preferably located at the center of the carriage convenient for the spinner operating
the mule.
While we have shown the longitudinal wire or blade as the means for causing the
separation of the clamping jaw on the spindle by passing, wedge-like, between them,
this is obviously merely one means for accomplishing the purpose and also we do
not wish to be confined to a clamp on the spindle having one stationary and one
movable jaw as they both could be made movable by merely duplicating the con-
struction of the lower one.
It will be seen that our attachment embodying not only a yarn clamp, but a
bobbin packing as well, is a separate structure and can be applied to spindles now in
use without altering their construction and it will be understood that the bobbin
packing could be dispensed with and the yarn clamp alone made and supplied to
factories at a slight cost, nevertheless effecting a great saving in yarn and in the
time usually required in removing and applying bobbins.
Again the improved "packing employed by us could be made separate and a
great economy in yarn and time effected without requiring the employment of
special bobbins, which latter have been proposed, to avoid using the yarn for
packing.
The manner of using our invention will now be apparent.
When the bobbins have become full of yarn and it is desired to remove them, the
operator stops the carriage, turns the blade 12 to the position in dotted lines
Figure 1, opening the jaws of all the spindles, then depresses the upper faller wire C
and rotates the spindles a portion or a whole revolution, which will cause the yarn
to draw down into the space between the jaws and 4. The shaft 10 and the
wire 12 are moved back and the jaws permitted to come together again grasping
the yarn, after which the full bobbins are pulled off the spindles breaking the yaru
and leaving the ends between the jaws. Now the empty bobbins are placed on the
spindles and securely held by the fingers or tongues 8 constituting the packing
and the fallers operated so that the yarn will draw onto the bobbius for a few turns
until sufficiently secured, after which the usual operation of the mule may be
proceeded with. If desired to release the ends of the yarn from the jaws, after
being secured to the bobbins, the blade or wire 12 cau be moved in, opening the
jaws when the ends will fly out from between them by centrifugal force.
દ
"7
Of course numerous modifications will at once suggest themselves to those skilled
in the art, and we therefore do not desire to be confined to precisely the construction
of parts shown, as for instance the lower jaw of the clamp could be made broader
than the upper one or extend further down on the spindle so that a bar extending
across the mule-frame could engage it and separate the jaws.
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 what we claim is :
1. The combination with the spindle, of the yarn holding jaws thereon, the
spring for holding said jaws normally closed, and a device mounted on the spindle
support arranged to be moved so as to co-operate with and separate said jaws when
desired against the tension of the spring without stopping the spindle, substantially
as described.
2. The combination with the spindle, of the yarn holding jaws thereon, the spring
for holding them normally closed and the blade adapted to cooperate with said jaws
to separate them against the tension of the spring, substantially as described.
3. The combination with the spindle, of the yarn holding jaws thereon having
the beveled edges, the spring for holding them normally closed, and the blade
mounted on the spindle support for cooperating with and separating said jaws,
substantially as described.
4. The combination with the spindle, of the stationary jaw thereon and the
movable spring operated jaw cooperating therewith, the former having the beveled
edges, substantially as described.
5. The combination with the spindle, of the removable sleeve secured thereon

page_text: having the stationary jaw and the movable spring pressed jaw, said jaws having the
beveled edges, substantially as described.
6. The combination with the spindle, of the sleeve secured thereon having the
spring bobbin-holding fingers engaging the spindle at the center and having the
free edges for engaging the bore of a bobbin, substantially as described.
7. As an article of manufacture, a yarn holder, adapted to be applied to a spindle,
consisting of a sleeve, having the jaws thereon, one being provided with the beveled
edge, and a spring for holding the jaws together, substantially as described.
8. As an article of manufacture, a yarn holder adapted to be applied to a spindle
consisting of a sleeve having the stationary jaw thereon, the sliding jaw, a spring
for moving it and a clamping device for securing said sleeve removably to a spindle,
substantially as described.
9. As an article of manufacture, a yarn holder adapted to be applied to a spindle,
consisting of a sleeve split at one end, provided with a stationary jaw, a movable
jaw sliding on the sleeve, a stationary collar, a spring secured between said collar
and the movable jaw, and a set screw for securing the collar and clamping the sleeve
to the spindle, substantially as described.
10. As an article of manufacture, a yarn and bobbin holder consisting of a sleeve
provided at one end with spring arms for engaging a bobbin, the yarn holding jaws
below said arms, a spring for operating upon one of them and clamping devices for
securing said sleeve to the spindle, substantially as described.
Dated this 29th day of March 1892.
W. P. THOMPSON & BOULT,
Agents for the Applicants.