IMPROVEMENTS IN LOOMS FOR WEAVING
Year: 1874

page_text: LETTERS PATENT to Hunter Henry Murdoch, of No. 7, Staple Inn,
:
in the County of Middlesex, Patent Agent, for the Invention of
"IMPROVEMENTS IN LOOMS FOR WEAVING."-A communication from
abroad by Henri Lejeune-Vincent, of Dison, in the Kingdom of
Belgium, Manufacturer.
PROVISIONAL SPECIFICATION left by the said Hunter Henry Murdoch
at the Office of the Commissioners of Patents, with his Petition,
on the 24th November 1874.
I, HUNTER HENRY MURDOCH, of No. 7, Staple Inn, in the County
of Middlesex, Patent Agent, do hereby declare the nature of the said
Invention for "IMPROVEMENTS IN LOOMS FOR WEAVING," to be as follows:-
This Invention as communicated to me relates more particularly to
that class of power looms in which the shuttle boxes have a rising and
falling motion.
According to this Invention motion is communicated to the driver on
the side of the loom where a shuttle is in a box on a level with the

page_text: batten. For this purpose a projection upon a lever is made to press
upon the moveable piece of the box, which being pushed back by the
shuttle keeps the loom in gear.
The said lever is attached by an arrangement of very light jointed.
levers to the cam or catch, which is pushed back by the mechanism i
giving motion to the driver.
On the side of the loom where a shuttle is on a level with the batten
the said lever is pushed back, and the moveable cam or catch herein-
before referred to is in position to operate the throw of the shuttle,
whilst on the opposite side of the loom where the shuttle box is 1
necessarily empty the same cam or catch is put out of the position
required for it to operate the throw of the shuttle.
By the combination of parts herein-before described the result obtained
is similar to that produced when the cam or catch above referred to is
raised by means of jacquard apparatus.
By the use of this Invention the following advantages are obtained :—
Firstly. The jacquard apparatus is much simplified by the cards
employed in regulating the working of the driver being no longer
used.
1
Secondly. Much less power is required to work the jacquard, as it has 2
SPECIFICATION in pursuance of the conditions of the Letters Patent,
filed by the said Hunter Henry Murdoch in the Great Seal Patent
Office on the 22nd May 1875.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, HUNTER
HENRY MURDOCH, of No. 7, Staple Inn, in the County of Middlesex,
Patent Agent, send greeting.

page_text: of our Lord One thousand cight hundred and seventy-four, in the thirty-
eighth year of Her reign, did, for Herself, Her heirs and successors, givo
and grant unto me, the said Hunter Henry Murdoch, Her special license
that I, the said Hunter Henry Murdoch, my executors, administrators,
3 and assigns, or such others as I, the said Hunter Henry Murdoch, my
exccutors, administrators, and assigns, should at any time agree with,
and no others, from time to time and at all times thereafter during the
term therein expressed, should and lawfully might make, use, exercise,
and vend, within the United Kingdom of Great Britain and Ireland,
the Channel Islands, and Isle of Man, an Invention for "IMPROVEMENTS
IN LOOMS FOR WEAVING," a communication to me from abroad by
Henri Lejeune-Vincent, of Dison, in the Kingdom of Belgium,
Manufacturer, upon the condition (amongst others) that I, the said
Hunter Henry Murdoch, my executors or administrators, by an
instrument in writing under my, or their, or one of their hands and
seals, should particularly describe and ascertain the nature of the
said Invention, and in what manner the same was to be performed, and
cause the same to be filed in the Great Seal Patent Office within six
calendar months next and immediately after the date of the said Lotters
Patent.
NOW KNOW YE, that I, the said Hunter Henry Murdoch, do hereby
declare the nature of the said Invention, and in what manner the same
is to be performed, to be particularly described and ascertained in and
by the following statement thereof, that is to say:
This Invention as communicated to me relates more particularly to
that class of power looms in which the shuttle boxes have a rising and
falling motion.
According to this Invention motion is communicated to the driver on
the side of the loom where a shuttle is in a box on a level with the
batten. For this purpose a projection upon a lever is made to press
upon the moveable piece of the box, which being pushed back by the.
shuttle keeps the loom in gear.
The said lever is attached by an arrangement of very light jointed
levers to the cam or catch, which is pushed back by the mechanism
giving motion to the driver.
On the side of the loom where a shuttle is on a level with the batten
the said lever is pushed back, and the moveable cam or catch herein.

page_text: The said finger F is suspended by links to a lever M, the end of which
lever is jointed to the frame a by means of a piu p, on which the said
lever is capable of partially rotating. The said lever M works through
a slot in one end of the bent lever L, the other end of which lover is
jointed to the lower end of the rod I, to the upper end of which rod I is
jointed a projecting piece i, which is affixed to the batten 6 of the loom.
The levers I and L being suspended to the projecting piece i, and sup-
porting the weight of the parts M, 1, F, the whole presses against the
moveable piece d of the shuttle box. R is a wheel affixed upon the
revolving axis R. Upon one side of the said wheel is a projection or
catch c, which gives motion to the driver S, when in the rotation of the
wheel R it comes in contact with the finger F, which happens when
the said finger is raised into the horizontal position represented in
Figure 2. Whereas when the said finger is depressed, as represented
in Figure 3, the projection or catch C in the rotation of the wheel R
passes over the said finger, so as not to actuate the driver. The finger F
is raised or lowered by the lever M, to which it is connected by the
links, the length of which links is adjustable by means of the screw
nuts u, u, upon their upper ends. When on one side of the loom a
shuttle is on a level with the batten, as shown at e' in Figures 1, 7, and
8, the lever L is raised, and in recoding with the batten it raises the
lever M, causing the said lever to rotate partially on its centre pin p,
and to draw up the finger F from the position represented at Figure 3
to that shown in Figure 2. By the rotation of the wheel R the pro-
jection or catch c now comes in contact with the said finger F, and
operates the driver. When however there is no shuttle in the shuttle
box the lever L remains in too low a position to raise the lever M. during
the retiring motion of the batten, and consequently the finger F remains
in the position represented in Figure 3, and is not acted upon by the
projection or catch c on the rotation of the wheel R.
It will be readily understood that by the arrangement of parts
described the driver is only actuated on that side of the loom where a
shuttle is in the shuttle box, and it is thus unnecessary to cause the said
driver to be operated by means of jacquard apparatus, as is now the case
with many looms which frequently require very extensive jacquard
apparatus.
The combination of parts herein-before described is applicable to any

page_text: Having now described the nature of this Invention, and the manner
in which the same is to be performed, I wish it to be understood
that I do not confine myself to the precise details herein-before described
and illustrated in the accompanying Drawings, as the same may be varied
without departing from the nature of the said Invention, but I claim as
the said Invention of improvements in looms for weaving the com-
bination and arrangement of parts herein-before described and illustrated
in the accompanying Drawing for causing a shuttlo which is in the
shuttle box on a level with the batten to move a finger, cam, or catch
carried by the driver into the path of mechanism by which the said
driver is actuated.
In witness whereof, I, the said Hunter Henry Murdoch, have here-
"unto set my hand and scal, this Twenty-second day of May, in
the year of our Lord One thousand eight hundred and seventy-
fivc.
Witness,
B. WILLCOX,
his Clerk.
H. H. MURDOCH.
(L.S.)