Improvements in Bobbins or Spools for Receiving or Holding Twine, Thread, or other Materials of a like Nature.
Year: 1893

page_text: Date of Application, 3rd Mar., 1893
Complete Specification Left, 1st Dec., 1893-Accepted, 6th Jan., 1894
Improvements in Bobbins or Spools for Receiving or Holding Twine,
Thread, or other Materials of a like Nature.
WILLIAM BROADHURST Raynerd Cottage Cannock Road Penkridge Stafford
Traveller do hereby declare the nature of this invention to be as follows:-
My improvements bear reference to bobbins or spools upon which thread cord
yarn or other similar material is held or carried during the process of winding or
unwinding and is constructed and designed with the object of securing the instan-
taneous withdrawal or placing in position of a ball or roll of the material requiring
manipulation.
For this purpose I employ a bobbin or spool which is split transversely into two
equal parts.
In carrying out my invention one half of the bobbin or spool is arranged and
constructed to carry a fixed metalic spindle running through its centre and pro-
jecting any convenient distance that will accommodate the second half of the bobbin
or spool.
The ends of the fixed spindle answer as the pivots on which the bobbin or spool
is required to turn.
On the projecting portion of the spindle I cut a circular groove or recess at such
a distance from the end of the spindle as to allow sufficient metal for the formation
of the second axis of the bobbin or spool.
The second half of the bobbin or spool is provided with a hollow or recessed
disc, arranged and formed about the centre of the outer flange and in such manner
that the projecting end of the spindle may pass freely through its centre.
Within the hollow or recessed portion of the disc I arrange a spring tongue or
catch in such a manner that when the second half of the bobbin or spool is pushed
along the spindle a part of the spring, tongue or catch engages or lodges itself
into the circular groove or recess of the fixed spindle and thereby grips binds or
couples the one half of the bobbin or spool to the other half and unites them
together like a plain bobbin or spool.
For the purpose of facilitating the working of the spring tongue or catch, by
the hand or fingers of the operator I design and arrange a portion of the same to
project slightly from the face or a portion of the face, of the outer flange of the
bobbin or spool.
As an additional security to the binding or carrying power of the bobbin or
spool I provide one of the divided ends with a ferule or disc possessing a series of
holes or recesses whilst the other is furnished with one or more projections to gear
or fit into these holes or recesses when the two halves come together.
And further, For the purpose of securely holding the work in position during
the process of winding or unwinding I propose to furnish the barrels or shanks of
the bobbin or spool with rubber or elastic flanges or discs designed in such a
manner that they can be adjusted to bind or press laterally against the ends of a
ball or lap of material and thus secure the necessary resistance for carrying round
the bobbin or spool and the material thereon.
My invention is applicable to any shape of bobbin or spool plain or truncated
and can be used in connection with paper tubes or with paper or card-board bobbins
and is essentially designed to work on a suitable clip or frame fixed or suspended
vertically or horizontally as may be found desirable.
Dated this 2nd day of March 1893.

page_text: COMPLETE SPECIFICATION.
Improvements in Bobbins or Spools for Receiving or Holding Twine,
Thread, or other Materials of a like Nature.
I WILLIAM BROADHURST of Raynerd Cottage Cannock Road Penkridge in
the County of Stafford, Agent, 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:-
These improvements relate to the construction of bobbins or spools upon which
twine thread cord, yarn or toilet or other paper or other material in continuous
lengths are held or carried, during the process of winding or unwinding, the
said bobbins or spools being constructed and designed with the object of securing
or facilitating the ready withdrawal therefrom, or placing in position thereon of
a bull or roll of the material requiring manipulation.
The nature of my said invention and the manner in which the same is to be
performed or carried into practical effect will be readily understood on reference to
the sheet of illustrative drawings hereunto annexed and the following explanation
thereof.
For the purposes of my invention I employ a bobbin or spool which is divided
transversely into two equal or unequal parts capable of being readily connected
together and disconnected when required.
Fig. 1 on the annexed drawing is a section of a bobbin or spool made according
my invention and adapted to receive a ball of twine or other similar material, to
the two parts being shown as separated. Fig. 2 is a view shewing the same
connected together and holding the ball in place. The half a of the bobbin or
spool is arranged and constructed to carry a fixed metallic spindle b running
through its centre, projecting at one end a convenient distance to act as an axle to
carry the bobbin and at the other end projecting sufficiently to receive the
removable half a¹ of the bobbin or spool and form another axle beyond it. (See
Fig. 2.)
The two ends of the fixed spindle 6 which project beyond the ends of the bobbins
or spool serve as pivots or axles to support the same and allow it to turn in any
suitable fixed frame or bracket.
On the projecting portion of the spindle b (see Fig. 1) I cut or form a
circumferential groove or recess at such a distance from the end of the spindle as
to leave a sufficient length of metal beyond it to form the second axle of the bobbin
or spool.
The second half a¹ of the bobbin or spool is recessed at the outside as shown and
provided with a hollow metallic disc (see detached view Fig. 3) arranged and
formed about the centre of the outer flange in such a manner that the projecting
end of the spindle & may pass freely through the centre.
b
Within the hollow or
recessed portion of this disc I arrange a spring lever or catch c¹ in such a manner
that when the second half a¹ of the bobbin or spool is placed on the spindle b a part
of the spring lever or catch c¹ engages or lodges itself into the circumferential
groove or recess 6 of the fixed spindle, and thereby grips binds or couples the
removable half a¹ of the bobbin or spool to the fixed half a and unites them
together into a perfect bobbin or spool, the ball of twine or other material being
placed in position when the two parts are separate.
For the purpose of facilitating the release of the spring lever or catch c¹ by the
hand or fingers of the operator it is arranged so that a portion of the same projects
slightly from the outside of the recessed disc c.
As an additional security for the binding or carrying of the bobbin or spool
I provide one of the divided ends (Fig. 1) with a ferrule or disc d formed with one
or more holes or recesses whilst the other divided end is furnished with one or

page_text: more pins or projections to gear with or fit into these holes or recesses so as to
lock the two halves when they are brought together.
Fig. 4 is an elevation and Fig. 5 a section showing a modification of my
invention which is applicable when the bobbin or spool is required to turn on a
fixed spindle, the principal difference being that in this case the spindle 6 is made
tubular instead of solid to allow the fixed spindle to pass through, and the spindle b
does not project beyond the bobbin at either end. The projections e and their
corresponding recesses e¹ are also slightly modified in form.
For the purpose of securely holding the ball or roll of material in position
during the process of winding or unwinding I propose in some cases to furnish_the
barrels or shanks of the bobbin or spool with rubber or other elastic flanges or discs
designed in such a manner that they can be adjusted to bind or press laterally
against the end or ends of the ball or roll of material and thus secure the necessary
friction or resistance for carrying round the babbin or spool and the material
thereon.
My invention is applicable to any shape of bobbin or spool and in some cases I
propose to dispense with the necessity for "balling" the twine or thread by winding
it plainly onto thin shells of paper, cardboard, or other light material, as shown in
section at Fig. 6, and the barrel of the said shell being made to fit the barrel of
the divided bobbin or spool, it can be placed thereon as easily as a ball.
Fig. 7 shows a modification of my invention suitable for rolls of paper being
made entirely of cast metal; in this case the division (instead of being at the
centre) is near one end and the spindle b does not pass through the centre, each
short axle being cast onto one end of the barrel f.
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 construction of divided bobbins or spools for receiving or holding twine,
thread, or other materials, wherein one part is attached to the spindle and the
other part detachable, the spindle of the fixed part being provided with a circum-
ferential groove, and the detachable part fitted with a spring lever or catch for
locking into the same, substantially as hereinbefore described and illustrated by
the drawings annexed.
Dated this 30th day of November 1893.
GEO. DAVIES & SON,
4, St. Ann's Square, Manchester, Agents for the Applicant.