IMPROVEMENTS IN LOOMS FOR WEAVING
Year: 1883

page_text: LETTERS PATENT to William Henry Kenyon of Denby Dale, near Huddersfield,
in the county of York, Manufacturer for an Invention of "IMPROVEMENTS IN
LOOMS FOR WEAVING"
PROVISIONAL SPECIFICATION left by the said William Henry Kenyon
at the Office of the Commissioners of Patents on the 14th June 1883.
WILLIAM HENRY KENYON of Denby Dale near Huddersfield in the County of
York, manufacturer "IMPROVEMENTS IN LOOMS FOR WEAVING”
The said invention relates to simple means of changing the order of succession
in which the healds are actuated in weaving, by which means a positive steady
action of the "Healds" or "Heddles" is given also smoother and more regular
working and simplicity of action and at a considerably reduced cost of the apparatus.
For this purpose I fit underneath the loom and on a rail or bearing plate a cast
iron frame having side projecting plates; in the top of the plates and at each end
are secured small shafts on which are fitted and work levers which are made on
the fularum side with projecting curved brackets having hooks or bent up ends;
the levers work outside the cast iron frame and the hook or bent up end of each
set of the projecting curved brackets fitted on each small shaft secured in the
projecting plates of the cast iron frame is secured a leather band or any other
suitable band and to each band and between the curved brackets is secured a strong
spiral spring, these springs keep the "Healds or "Heddles" in a state of equal
tension. Near the extremity of each lever is drilled a small hole or the end of
each lever is made with a hook or bent up end and the extremity of each lever is
formed with a cut out or cast groove; through the hole of each lever or on the
hook or bent up end is passed and secured the cord or band which is secured to
the heald shaft and the cord or band is passed on the groove to give a steady
action.
"
To counterbalance the weight of the treadles and relieve the various bearings
between the treadles and the healds from unnecessary weight and to produce an

page_text: even steady action; I construct my treadles with projecting arms from the fulcrum
on which are cast weights so as to balance the treadles and the treadles are made
with openings and lugs in which work small friction pullies or rollers on which act
the usual tappets and the revolving action of each tappet gives the required up
and down action to the treadles and the sheds are regulated by the size of the
tappets.
When the lifting motion is given to a heald both levers fitted on the small shaft
are actuated at the same time and the bands or leather straps take the curve of
the projecting curved brackets of the levers and give an even straight pulling out
action to the spiral spring connected to the bands or leather straps It is obvious
that the improved apparatus is adapted for any number of “ Healds'
"

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent filed by
the said William Henry Kenyon in the Great Seal Patent Office on the
13th December 1883.
WILLIAM HENRY KENYON of Denby Dale near Huddersfield in the county of
York, Manufacturer " IMPROVEMENTS IN LOOMS FOR WEAVING
دو
This said invention relates to simple means of changing the order of succession
in which the healds are actuated in weaving by which means a positive steady
action of the "healds" or "heddles" is given also smoother and more regular
working and simplicity of action and at a considerably reduced cost of the
apparatus.
For this purpose I fit underneath the loom and on a rail or bearing plate a cast
iron frame having side projecting plates; in the top of the plates and at each end
are secured small shafts on which are fitted and work levers which are made on
the fulcrum side with projecting curved brackets having hooks or bent up ends;
the levers work outside the cast iron frame and the hook or bent up end of each
set of the projecting curved brackets fitted on each small shaft secured in the
projecting plates of the cast iron frame is secured a leather band or any other
suitable band and to each band and between the curved brackets is secured a strong
spiral spring, these springs keep the "healds" or "heddles" in a state of required
tension. Near the extremity of each lever is drilled a small hole or the end of
each lever is made with a hook or bent up end and the extremity of each lever is
formed with a cut out or cast groove; through the hole of each lever or on the
hook or bent up end is passed and secured the cord or band which is secured to
the "heald" shaft and the cord or band is passed on the groove to give a steady
action.
To counterbalance the weight of the treadles and relieve the various bearings
between the treadles and the healds of unnecessary weight and to produce an even
steady action, I construct my treadles with projecting arms from the fulcrum on
which are cast weights so as to balance the treadles and the treadles are made with
openings and lugs in which work anfall friction pullies or rollers on which act the
usual tappets and the revolving action of each tappet gives the required up and
down action to the treadles and the sheds are regulated by the size of the
tappets.
When the lifting motion is given to a heald both levers fitted on the small
shaft are actuated at the same time and the bands or leather straps take the curve
of the projecting curved brackets of the levers and give an even straight pulling
out action to the spiral spring connected to the bands or leather straps.
It is obvious that the improved apparatus is adapted for any number of
"healds."
In order to enable my invention to be fully understood I will proceed to describe
the same by reference to the accompanying drawing in which figure 1, represents
a front elevation of my improved apparatus for changing the order of succession
in which the healds are actuated in weaving the said apparatus being shewn in
connection with the healds of a loom; figure 2, is a plan of the apparatus; figure 3,
is a front elevation shewing the arrangement I employ for drawing the healds up
or down by the centre; figure 4, is a side elevation shewing the means I employ
for counterbalancing the weight of the treadles in order to relieve the bearings
between the treadles and the healds of all unnecessary weight and produce an even
steady action
I will first describe my improvements by reference to figures 1 and 2, in which
similar letters of reference are used to indicate parts which are similar :-
Underneath the loom and on the rail or bearing plate A, I fit the cast iron

page_text: frames B having side projecting plates C; in the top of the plates C, at each end
are secured small shafts D, on which are fitted and work levers E, which are
formed on the fulcrum side with projecting curved brackets F, having hooks or
bent up ends G; to these hooks are secured the bands H, of leather or other
suitable material and to each band and between the curved brackets is secured a
strong spiral spring I and I; I, shews the position of the spring and the levers
when raised by the lifting of the heald L; I, shews the position of the spring,
when after the pick of the loom, it has by its contraction, brought the heald down
into position for the next pick of the loom. It is obvious that these springs by.
the lifting and lowering of the levers, will vary their distance from the centre or
fulorum of the lever thus giving the greatest weight when the heald is at the
bottom as shown by the position of the spring I, which for example, say, represents
a weight of thirty pounds. When the heald is at the top as shown by the position
of the spring I, the band H, is taken up by the fulcrum of the lever thereby
reducing the weight on the heald in proportion by about one third or say ten
pounds. Through the ends J, of the levers are passed rings or hooks K, which are
connected by means of bands M, to the healds.
In cases where the healds are drawn up or down from the centre I employ the
arrangement shewn in figure 3, in which a sector N, is connected by a spiral
spring O, to the framework of the loom; the sector works on a shaft P, secured in
brackets R, and is connected to a strap S, which works over a grooved pulley T;
the strap is attached at the other end to either the top or bottom of the heald.
To counterbalance the weight of the treadle and relieve the various bearings
between the treadle and the healds of unnecessary weight and to produce an even
steady action I employ the arrangement shewn in figure 4, the treadles are formed
with arms U, projecting from the fulcrum on which arms I cast weights V, so as to
balance the treadle; the treadles are made with openings and lugs W, in which
work small friction wheels or rollers X, which act upon the tappets Y; the
revolving action of each tappet gives the required up and down motion to the
treadles and the sheds are regulated by the size of the tappets.
Having thus described my improvements and the best means I am acquainted
with for carrying the same into effect I wish it to be understood that what I
claim is
Firstly. The construction and employment of levers having straps or bands
attached thereto connected with spiral springs all arranged and operating
substantially in the manner and for the purposes hereinbefore described and
represented in figures 1 and 2, of the accompanying drawing.
Secondly. The arrangement of apparatus for working the healds when the
healds are drawn up or down from the centre substantially as hereinbefore
described and represented in figure 3 of the accompanying drawing.
Thirdly. The construction and employment of treadles having projecting arms
on which are cast weights to balance the treadles as and for the purposes
hereinbefore described and represented in figure 4, of the accompanying drawing.
In witness whereof I the said William Henry Kenyon have hereto set my
hand and seal this eleventh day of December in the year of our Lord one thousand
eight bundred and eighty three