Improvements in Screw Gillboxes Employed in Preparing Wool and other Fibrous Substances.
Year: 1889

page_text: Date of Application, 22nd Jan., 18S9
Complete Specification Left, 10th Oct., 1889-Accepted. 16th Nov. 1884
PROVISIONAL SPECIFICATION.
Improvements in Screw Gillboxes Employed in Preparing Wool and
other Fibrous Substances.
1, JOSEPH FARBAR, of Globe Works, Halifax, in the County of York, Machine
Maker, do hereby declare the nature of this invention to be as follows :-
:-
My invention has reference to screw gillboxes employed in the preparation of wool
and other fibre, in which class of machine endless leather belts are employed, passing
between fluted delivery rollers, the said endless belts also passing over adjustable
guide rollers employed to distend the endless belts and keep them at suitable tension.
When it is necessary to remove such endless belts for the purpose of repairs or
substituting new ones, considerable difficulty is experienced in removing the said belts,
to do which the top rail, together with the parts carrying the adjustable guide
rollers, have to be removed, and the journals or bearings carrying the axle of the
upper fluted delivery roller, have to be removed from the framework in order to
change the belt.
To construct and arrange the parts so as to facilitate the removal of the endless
belts is the object of my invention, and this I accomplish by forming one or more
openings in the top rail, through which openings the endless belt passes instead of
surrounding the top rail as hitherto. The axle of the upper fluted roller is carried
in a journal which can be taken off so that the axle can be removed when required.
Therefore in order to change one of the endless belts, all that will now be required
is to lower the adjustable guide roller by means of screws so as to slacken the belt,
when the said guide roller can be removed from its position, permitting the belt, and
also the roller if necessary, to pass down between the openings in the top rail, after
which the journal or bearing resting upon the axle of the fluted roller is removed,
when by tilting one end of the fluted roller, the endless belt lying underneath it
can be easily removed, by which means the removal of the endless belts is greatly
facilitated.
Datul this 91st fan of Janua
1920
TASKER & CROSSLEY,
Halifax, Agents.
COMPLETE SPECIFICATION.
Improvements in Screw Gillboxes Employed in Preparing Wool and
other Fibrous Substances.
I, JOSEPH FARRAR, of Globe Works, Halifax, in the County of York, Machine
Maker, 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:
My invention has reference to screw gill-boxes employed in the preparation of
wool and other fibre, in which class of machine endless leather belts are employed,
passing between fluted delivery rollers, the said endless belts also passing over
adjustable guide rollers employed to distend the endless belts and keep them at
suitable tension. When it is necessary to remove such endless belts for the purpose
of repairs or substituting new ones, considerable difficulty is experienced in removing
the said belts, to do which the top rail, together with the parts carrying the
adjustable guide rollers, have to be removed, and the journals or hearings carrying
the axle of the upper fluted delivery roller, have to be removed from the framework
in order to change the belt.

page_text: To construct and arrange the parts so as to facilitate the removal of the endless
belt is the object of my invention, and this 1 accomplish by forming one or more
openings in the top rail, through which openings the endless belt passes instead of
surrounding the top rail as hitherto. The axle of the upper fluted roller is supported
or carried in a journal which can be taken off 30 that the belt can be removed when
required.
In order that my said invention may be better understood, I will now make
reference to the accompanying sheets of drawings illustrative thereof, wherein Fig. 1
is elevation of such parts of a screw gillbox as is necessary to illustrate my improve-
ments, and Fig. 2 is section thereof taken through the line AB. C represents a
portion of the framework of the gillbox, to which is made secure the vertical frame-
work D connected together by the ordinary top rail E. The fluted rollers are
represented at F and & and the endless travelling belt is represented by letter H,
passing over the upper tension roller I and between the said fluted rollers F and G
in the ordinary manner. The axle of the upper fluted roller revolves in suitable
bearings in the framework D, and the said roller is kept in contact with the bottom
roller by means of spiral springs J compressed between the cap K and screwed nut L.
Hitherto the top rail E has occupied a position between the endless belt H. to which
arrangement there are many objections, as a new belt could not he replaced without
removing the top rail and all the parts connected therewith, but by my invention,
which consists in making an opening in the top rail E as shewn at M for the purpose
of allowing the endless belt to pass between the said opening or openings as clearly
shown in the drawings, therefore in order now to change the endless belt, all that
will be necessary is to lower the adjustable tension roller I by means of the screws N
so as to slacken the belt, all that will be necessary is to lower the adjustable tension
roller I by means of the screws N so as to slacken the belt, when the said tension
roller I can be removed from its position, permitting the belt, and also the roller, if
necessary to pass down between the opening M in the top rail, after which the
journal or bearing K, resting upon the axle of the upper fluted roller F, is removed,
when by tilting one end of the said roller the endless helt lying underneath the
said roller can be easily removed, by which means the removal of the endless bolts is
now greatly facilitated.
Having now particularly described and ascertained the nature of my said
invention, and the manner in which the same is to be performed, I declare that what
I claim is
In screw gillboxes, the forming of one or more slots or openings in the top rail for
the purpose of allowing the endless belt to pass through, in manner substantially as
described and shown in the drawings.
Dated this 9th day of October 1889
TASKER & CROSSLEY,
Halifax, Agents.