Improvements in the Bobbin or Spool Carriers for Looms for Weaving Tufted Carpets and the like.
Year: 1897

page_text: Date of Application, 2nd Nov., 1897
Complete Specification Left, 30th July, 1898-Accepted, 17th Sept.,
1898
Improvements in the Bobbin or Spool Carriers for Looms for
Weaving Tufted Carpets and the like.
I, GEORGE WILLIAMS, Axminster Tube Manufacturer, residing at 8, Swan Street,
Kidderminster, in the County of Worcester, do hereby declare the nature of this
invention to be as follows:
This invention relates to the combined bobbin racks and reed bars of weaving
machines, and particularly to those used in the weaving of Axminster carpets.
It consists in certain improvements in the attachment to the said rack and bar,
the body of which is made of wood, of the end metallic brackets by which the said
bar is attached to its particular part of the weaving mechanism or is inserted into
the chain.
Usually these metal brackets have been affixed to the ends of the wooden body
of the bobbin rack and reed by wood screws, the one ends of the said brackets being
formed at right angles to the other parts so as to lie against one of the longitudinal
faces of the said body. Such an affixment of these brackets is objectionable,
inasmuch as it is not a rigid connection and the wood screws have a tendency to
split the ends of the body of the rack, and as a consequence the end brackets soon
become loosened from the said body and a reconstruction of the whole of the
bobbin rack is necessary.
According to this invention the said brackets are connected to the ends of the
body of the bobbin rack by metallic ferrules or bands, or, in other words, the ends
of the said rack body are mounted with short lengths of metallic tubing which con-
fine and hold together the fibres of the wood at the points where the said tubes
surround. These tubes or ferrules are driven tight upon the ends of the rack body
part and conform to the irregular cross sectional figure thereof. The metallic
end brackets are attached to the body of the bobbin rack by their right angled
portions being driven tight between the metallic ferrules or tubes and the wood it
surrounds, and being afterwards, if necessary, fastened longitudinally to the ends
of the body bar by wood screws to prevent them being withdrawn.
Thus the metallic end brackets are rigidly clipped onto the ends of the wooden
body of the bobbin rack by encircling metallic ferrules or tubular mountings,
which make a rigid connection of the parts.
In such a connection there is no probability of the end brackets working loose
when the bobbin rack is doing its work, because the wooden ends thereof are first
compressed to hardness and then the right angled limb of each bracket clamped
upon it by the ferrule.

page_text: Improvements in the Bobbin or Spool Carriers for Looms for
Weaving Tufted Carpets and the like.
I, GEORGE WILLIAMS, Axminster Tube Manufacturer, residing at 8, Swan Street,
Kidderminster, in the County of Worcester, 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 relates to the bobbin racks and reed bars of weaving machines,
and particularly to those which are used in the weaving of Axminster and other
carpets and which are carried by an endless chain for feeding them into the weav-
ing loom.
The said invention consists in an improved means for attaching the bobbin
brackets to the said rack and reed bar whose body is made of wood.
Usually these metal bobbin brackets have been affixed to the ends of the wooden
body of the bobbin rack and reed by wood screws, the ends of the said brackets
being formed with right angled parts which lie against one of the longitudinal faces
of one of the ends of the said body. Such an affixment of these brackets is any-
thing but satisfactory, inasmuch as there is not a rigid connection between the
parts, and the wood screws have a tendency to split the ends of the bar forming the
body of the rack and get loose. As a consequence the end brackets soon become
loosened from the said bar, and this necessitates a re-construction of the whole of
the bobbin rack.
In order to clearly set forth this invention a sheet of drawings forms part of this
specification. In the said sheet the invention is shown in detail by the aid of
four views, the said views showing in Fig. 1 a full length bobbin rack, drawn to
a reduced scale, with the invention applied to both its ends; in Fig. 2 an enlarged
full sized elevation of one of the ends Fig. 1; in Fig. 3 a longitudinal section of
the view Fig. 2; and in Fig. 4 a transverse section through Fig. 2 on the dotted
line.
In these figs. the brackets a, a, are connected to the ends a², a², of the body
bar, a³, of the bobbin rack by the use of metallic ferrules or bands c, c, one of
which latter is applied to the bracket on each end of the bar.
of the brackets at both ends of the bar are the same, it will suffice if the attach-
As the attachment
ment of one only of them is described, and therefore this will now be done by refer-
ence to Figs. 2, 3 and 4. The end as of the wood bar a³ of the bobbin rack body
is provided with a tight fitting ferrule c preferably of metal, but it may be made
of any other stout and suitably hard material. This ferrule or band is adapted to
be driven tight onto the end a² until its edge comes approximately flush with the
edge of the said end.
The bobbin bracket a is constructed in the ordinary manner and has a right
angled part or limb d upon its one end of about the breadth of the one side d³ of
the bobbin rack bar. This right angled part or limb d is driven tight into position
between the wood of the end a² and its enclosing ferrule c, and, if necessary, a wood 4
screw d³ passed end-wise through the bracket and into the wooden end a² for a
secondary affixment. The last mentioned screw however in most cases is not
necessary. The end d' of the limb d of the bracket a, may, if
slight lead to find its way between the wood and the ferrule.
necessary,
have a
The bobbin rack tubes e, through which the yarn from the bobbin is fed, are con
nected to the bar a³ in the ordinary manner.
Instead of a wood screw, such as d³, being used with the ferrule c as a secondary
means for affixing the bracket, the contact parts of the bracket a and the ferrule c
made be covered with a little solder or brazed together.

page_text: Thus are the metallic end brackets which support the bobbin attached rigidly
and more permanently to the ends of the wooden bobbin rack's body without wood
screws, or, if any are used, without splitting the wood of the said ends; the result
of the connection being one which removes all probability of the said end brackets
working loose at any time, and especially when the bobbin rack is at work. It
will be noticed that the wooden ends are first compressed to hardness by the
ferrule c, and afterwards further compressed by the forcing in of the ends d of the
brackets.
Instead of forcing the limb d of the bracket a between the wood of the bobbin
rack body and the ferrule the said limb may be connected to the ferrule at the
same position as shown in the figs of the drawings, but upon its outer side, and
by the aid of solder; the said ferrule in this case constituting an enclosure to the
end of the wooden bar, and a base or carrier which will present a soldering surface.
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 what
I claim is:
First. In bobbin racks of the kind described, connecting the brackets which
carrying the bobbin to the ends of the bobbin rack's wooden body by means of
metallic ferrules or bands, which are driven tight over the said ends so that they
compress the wood thereof to hardness, and which said ferrules or bands are
adapted to enclose and wedge the limbs or right-angled parts of the said brackets
between themselves and the wood of the said ends, substantially as set forth.
Second. In bobbin racks of the kind described the combination of a wooden
bobbin rack body metallic ferrules or bands fitting tightly upon and enclosing
the said body's ends, so as to compress the wood thereof to hardness and make a
permanent attachment between themselves and the wood, and bobbin brackets
which have right-angled metallic parts for connection to the said ferrules by solder-
ing or brazing, so that the said brackets are carried by the ferrule, substantially
as described.
Dated this on day of July 1.
W. P. THOMPSON & Co.,
11, Burlington Chambers, New Street, Birmingham,
Also of Liverpool, London and Manchester,
Patent Agents for the Applicant.