Improvements in Thread Sizing and Polishing Machines.
Year: 1897

page_text: PROVISIONAL SPECIFICATION.
Improvements in Thread Sizing and Polishing Machines.
We, ALFRED GRIFFITHS, of 27, Stanley Grove, Longsight, Manchester, Engineer,
and THOMAS GUEST, of Phoenix Ironworks, Poland Street, Manchester, Engineer,
do hereby declare the nature of this invention to be as follows:-
Our said invention relates to improvements in the thread polishing machines
described in the Specification of a Patent No. 15324 of A.D. 1892.
In such machines it is found advantageous to positively drive one of the rollers
round which the thread passes while being polished and in order to vary the speed
of rotation of the driven roller for the purpose of putting more or less drag on the
thread and varying the time of polishing we drive the said roller by a series of
toothed gear wheels and a chain from the main driving shaft of the machine. By
substituting another change wheel for one of those in the series the speed of rota-
tion of the driven roller may be varied as may be desired to suit the kind of thread
being operated upon.
In order to adjust the tension of the chain the said series of gear wheels is mounted
in a swinging frame or sector which is provided with means such as a slot and
bolt for securing it in a suitable position for keeping the chain taut.
D
.
E. T. WHITELOW, A.M. Inst. C.E.,
70, Deansgate, Manchester,
Agent for the Applicants.
Improvements in Thread Sizing and Polishing Machines.
We, ALFRED GRIFFITHS, of 27, Stanley Grove, Longsight, Manchester, Engineer,
and THOMAS GUEST, of Phoenix Ironworks, Poland Street, Manchester, Engineer,
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 said invention relates to improvements in the thread polishing machines
described in the Specification of a Patent No. 15324 of A.D. 1892.
In such machines it is found advantageous to positively drive one of the rollers
round which the thread passes while being polished and in order to vary the speed
of rotation of the driven roller for the purpose of putting more or less drag on the
thread and varying the time of polishing we drive the said roller by a series of
toothed gear wheels and a chain from the main driving shaft of the machine. By
[Price 8d.]

page_text: substituting another change wheel for one of those in the series the speed of rota-
tion of the driven roller may be varied as may be desired to suit the kind of thread
being operated upon.
In order to adjust the tension of the chain the said series of gear wheels is mounted
in a swinging frame or sector which is provided with means such as a slot and
bolt for securing it in a suitable position for keeping the chain taut.
In order that our said invention may be more clearly understood we will describe
the same with reference to the accompanying drawings in which
Fig. 1 is a front elevation.
substituting another change wheel for one of those in the series the speed of rota-
tion of the driven roller may be varied as may be desired to suit the kind of thread
being operated upon.
In order to adjust the tension of the chain the said series of gear wheels is mounted
in a swinging frame or sector which is provided with means such as a slot and
bolt for securing it in a suitable position for keeping the chain taut.
In order that our said invention may be more clearly understood we will describe
the same with reference to the accompanying drawings in which
Fig. 1 is a front elevation.
Fig. 2 is a side elevation (left hand).
Fig. 3 is a side elevation (right hand).
Fig. 4 is an elevation of the polishing drum.
Fig. 5 is a plan of the mechanism for driving the bottom roller at a variable
speed.
Fig. 6 is an elevation partly in section through x-r of Fig. 2.
In all the figures the same letters and numbers of reference refer to the same
parts.
i
All motions of the parts are primarily derived from the main driving shaft j
carrying the driving pulleys j¹ Ï³.
On the shaft j is mounted a drum k provided with polishing brushes m and
lags n. In Fig. 4 these are shown on only a portion of the circumference of the
drum k, it is however to be understood that they extend all round the drum as
indicated by dotted lines and reach from one side frame of the machine to the
other.
The bobbins containing the threads B to be polished are mounted on a creel or
frame in any convenient position. They pass thence through the size trough e
round the roller a under the press roller h which removes the superfluous size
thence round roller c back to the roller b again to the roller c and back round the
roller b upwards over the guide bar 17 and the guide puileys 17" to the winding
on bobbins 7.
The threads pass as many times as may be desired round the rollers b and c (in
a spiral direction) according to the length of time the thread is to be subjected
to the action of the brushes m. In some cases a comb d is used to keep the threads
While thus passing between the
separate when passing round the rollers and c.
rollers b and c the thread is held against the brushes m (see Fig. 4).
In order to vary the pressure of the thread on the brushes the rollers b c are
set nearer to or further from the brushes (in the direction of the arrows A).
Means for this adjustment are provided by securing the brackets o v to the body
of the machine by bolts passing through slots in the brackets themselves or in
the machine frame.
which
The winding on bobbins 7 are carried by the friction of their spindles
are conveniently driven by bevel wheels 5 and 6 from the shaft 3 actuated by a
pulley 2 driven by another pulley z on the shaft j. (See Figs. 1 and 3.) The
bobbin spindles might however be driven by bands from a drum or in any othe
convenient way.
The winding on bobbins 7 being only driven by friction they will slip round
unless the thread is delivered to them and can therefore only take up the thread a
fast as it is delivered. To effect the delivery of the yarn the bottom roller bi
driven from the main shaft j by the mechanism about to be described with referenc
to Figs. 5 and 6. On the main shaft j is a belt pulley 61 which transmits motio
to the pulley 6 having its bearing on a stud 63. Revolving with the pulley b
a spur wheel which through an idle wheel 65 transmits motion to a chang
wheel 66 secured to a chain wheel b whence a pitch chain 68 drives the botto
roller b through the chain wheel 69. The intermediate wheel 65 and chang
wheel 66 are carried by studs secured in a swing frame or sector 610 fulcrume
about the stud 63 and secured when desired by the bolt b11 to the frame of th

page_text: machine. The stud 612 which carries the change wheel 6º is mounted in a s
of the swing frame 10 to permit of the vertical adjustment of the stud 612 to suit
change wheels of different diameters.
By substituting various sizes of wheels for the change wheel 66 the speed of the
bottom roller b may be varied at will.
The shaft a¹ of the size roller a is driven from the other end of the roller b by
means of the belt pulleys w and y.
The top roller c is not positively driven but is pulled round by the friction of
the threads.
By thus varying the speed of the bottom roller the rate at which the threads
pass through the machine may be varied while the speed of the brush roller
remains constant and thus threads of different kinds or qualities may be operated
on more or less as may be desired. The guide bar 17 and the guide pulleys 17ª
are carried by brackets s secured to the pokers or vertical slide bars 16 and are
raised or lowered to distribute the threads on the bobbins by cams or hearts 14
mounted on a shaft 13 which derives motion through a worm wheel 12 the worm 11
and worm wheel 9 on the vertical shaft 10. The latter is driven by a worm 8 on the
main shaft j.
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 that what we
claim is:-
A machine for sizing and polishing in a continuous manner a number of threads
presented simultaneously to the brushing drum k by means of the laterally adjust-
able rollers bc one of which is capable of being driven at a variable speed as
compared with the brushing drum by means of the change gearing as shown, in
combination with means for applying the size to the threads and winding each
separate thread on its own bobbin substantially as described and shown.
1
2 day of March 1000
E. T. WHITELOW, A.M. Inst. C.E.,
70, Deansgate, Manchester,
Agent for the Applicants.