IMPROVEMENTS IN SHUTTLE DRIVING MECHANISM FOR Looms
Year: 1872

page_text: LETTERS PATENT to Edward Thomas Hughes, of the Firm of Hughes
and Son, Patent Agents, 123, Chancery Lane, London, for the Inven-
tion of "IMPROVEMENTS IN SHUTTLE DRIVING MECHANISM FOR Looms."-
A communication from abroad by Jeremiah Stever, of Bristol, County
of Hartford, State of Connecticut, George Arnold Boughton, and
Isaac Edward Newton, of Waterbury, County of New Haven, State
.
PROVISIONAL SPECIFICATION left by the said Edward Thomas Hughes
at the Office of the Commissioners of Patents, with his Petition,
on the 11th September 1872.
66
I, EDWARD THOMAS HUGHES, of the Firm of Hughes and Son, Patent
Agents, 123, Chancery Lane, London, do hereby declare the nature
of the said Invention for 'IMPROVEMENTS IN SHUTTLE DRIVING MECHANISM
FOR LOOMS," a communication to me from abroad by Jeremiah Stever,
of Bristol, County of Hartford, State of Connecticut, George Arnold
Boughton, and Isaac Edwin Newton, of Waterbury, County of New

page_text: Haven, State of Connecticut, United States of America, to be as
follows:-
This Invention relates to improvements in shuttle driving mechanism
for looms, the object being to impart under all circumstances to
the picker staff the same force, so that whether the loom be running a
fast or slow the shuttle will be driven at the same velocity, and the
Invention consists in a lever arranged to act upon the picker staff
having a spring attached thereto, and combined with a mechanism
substantially such as herein-after described, whereby the said lever is
moved to tighten the spring for each operation, and released at the ]
given time, so that the force of the said spring upon the picker staff
through the said lever will be sufficient to throw the shuttle.
On the accompanying Drawings Fig. 1 is a front view, Fig. 2 an end
view, Fig. 3 a top view, and Fig. 4 a section on line X, X, of Fig. 1.
A is the driving arm of the lever, which by any suitable connection 1
is attached to the picker staff. This lever is hung upon a fulcrum a,
the filcrum or shaft being rigidly fixed in suitable bearings B, the
lever turning freely thereon. To the said shaft a one end of a coil
or volute spring. C is rigidly attached, the other end of the spring
being firmly secured to the other arm of the lever as seen in Fig. 4, 2
hence when the lever A is turned to the position denoted in broken
lines it contracts or tightens the spring, and the reaction of the spring
when freed will throw the lever back to the first position.
In connection with the lever A is a latch d operating so that when
the lever is turned as before described it will fall behind the arm D of the 2
lever, as denoted in broken lines Fig. 4 and also seen in Fig. 3, thus
setting the lever in that position the latch d is tripped to release the
lever, This is best done through a lever E, one arm of which is
connected to the latch as seen in Figs. 1 and 2, the other extending
out and arranged in such relative position to a cam on the loom shaft 3
(or shaft arranged for the purpose) that at the required time to throw
the shuttle the said lever will be acted upon to withdraw the latch d
and free the lever A to act upon the picker staff as before described.
In order to set the lever A another lever F is arranged upon which
is a shoulder F (see Fig. 3), which takes upon the arm D of the lever A g
and so that when the lever F is drawn forward as denoted in broken:

page_text: lines, Fig. 3, it will carry the lever A back. This lever F is actuated
to thus move the lever A by a suitable cam which after setting the
lever A lets the lever F back to its home position.
The cam for the two levers E and F it will be readily seen may be
upon the same cam shaft, and if desirable to throw two shuttles another
arm upon each of the levers may be applied above to be actuated by
the same cams, thus giving two motions to each revolution.
The tension of the spring is adjusted by a ratchet R on the spring
shaft a.
As a relief to the sudden throw of the lever A. I arrange in the rear
of the arm D a bar L resting upon suitable springs, so that when the
lever is thrown by the spring the arm D will strike upon the said bar L,
the springs yielding slightly, and prevents the jar to this machine which
would otherwise occur.
1
The bearings B are connected together so that this mechanism forms
a complete thing in itself, and which may be readily applied to many
classes of looms.
SPECIFICATION in pursuance of the conditions of the Letters Patent,
filed by the said Edward Thomas Hughes in the Great Seal Patent
Office on the 11th March 1873.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, EDWARD
THOMAS HUGHES, of the Firm of Hughes and Son, Patent Agents,
123, Chancery Lane, London, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria by Her
Letters Patent, bearing date the Eleventh day of September, in the
year of our Lord One thousand eight hundred and seventy-two, in the
thirty-sixth year of Her reign, did, for Herself, Her heirs and suc-
cessors, give and grant unto me, the said Edward Thomas Hughes,
Her special licence that I, the said Edward Thomas Hughes, my
executors, administrators, and assigns, or such others as I, the said
Edward Thomas Hughes, my executors, 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

page_text: 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 SHUTTLE DRIVING MECHANISM
FOR LOOMS," a communication to me from abroad by Jeremiah Stever,
of Bristol, County of Hartford, State of Connecticut, George Arnold
Boughton, and Isaac Edward Newton, of Waterbury, County of New
Haven, State of Connecticut, United States of America, upon the con-
dition (amongst others) that I, the said Edward Thomas Hughes, 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 Letters Patent.
NOW KNOW YE, that I, the said Edward Thomas Hughes, 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, reference being had to the accompanying.
Sheet of illustrative Drawings (that is to say :-
1
This Invention relates to improvements in shuttle driving mechanism
for looms, the object being to impart under all circumstances to the
picker staff the same force, so that whether the loom be running fast or
slow the shuttle will be driven at the same velocity, and the Invention
consists in a lever arranged to act upon the picker staff having a spring
attached thereto, and combined with a mechanism substantially such
as herein-after described, whereby the said lever is moved to tighten the
spring for each operation, and released at the given time, so that the
force of the said spring upon the picker staff through the said lever will
be sufficient to throw the shuttle.
On the accompanying Sheet of Drawings, Fig. 1 is a front view,
Fig. 2 an end view, Fig. 3 a top view, and Fig. 4 a section on line X, X,
of Fig. 1.
A is the driving arm of the lever, which by any suitable connection is
attached to the picker staff. This lever is hung upon a fulcrum a, the
fulcrum or shaft being rigidly fixed in suitable bearings B, the lever
turning freely thereon. To the said shaft a one end of a coil or volute
spring C is rigidly, attached, the other end of the spring being firmly
secured to the other arm of the lever, as seen in Fig. 4, hence when

page_text: the lever A is turned to the position denoted in broken lines it contracts
or tightens the spring, and the reaction of the spring when freed will.
throw the lever back to the first position.
In connection with the lever A is a latch D operating so that when
the lever is turned as before described it will fall behind the arm D
of the lever, as denoted in broken lines Fig. 4, and also seen in Fig. 3,.
thus setting the lever in that position, the latch d is tripped to release
the lever. This is best done through a lever E, one arm of which is
connected to the latch as seen in Figs. 1 and 2, the other extending out
and arranged in such relative position to a cam on the loom shaft (or
shaft arranged for the purpose) that at the required time to throw the
shuttle the said lever will be acted upon to withdraw the latch'd, and
free the lever A to act upon the picker staff as before described.
In order to set the lever A. another lever F is arranged, upon which
is a shoulder f (see Fig. 3), which takes upon the arm D of the lever A,.
and so that when the lever F is drawn forward, as denoted in broken
lines, Fig. 3, it will carry the lever back. This lever F is actuated to
thus move the lever A. by a suitable cam, which after setting the lever A
let the lever F back to its home position.
The cam for the two levers E and F it will be readily scen may be
upon the same cam shaft, and if desireable to throw two shuttles, another
arm upon each of the levers may be applied above to be actuated by the
same cams, thus giving two motions to each revolution.
The tension of the spring is adjusted by a ratchet R on the spring shaft a.
As a relief to the sudden throw of the lever A I arrange in the rear of
the arm D a bar L resting upon suitable springs, so that when the lever
is thrown by the spring the arm D will strike upon the said bar L, the
springs yielding slightly and prevent the jar to this machine, which
would otherwise occur.
The bearing B are connected together so that this mechanism forms
a complete thing in itself, and which may be readily applied to many
classes of looms.
Having now described the nature and particulars of the said Invention
as communicated to me, I claim,-
First. The lever A, D, with its spring C and latch d arranged to be
set and tripped for each operation of the picker staff, substantially as
described.

page_text: Second. In combination with the lever A, D, and its spring C and a
suitable tripping device, I claim the lever F operating to set the lever,
substantially as set forth.
Third. In combination with the lever A, D, spring C, and latch d,
I claim the lever E arranged for tripping the said latch, substantially
as set forth.
Fourth. In combination with the lever A, D, and its spring C, I claim
the bar L or its equivalent arranged upon suitable springs, substantially
as and for the purpose specified.
In witness whereof, I, the said Edward Thomas Hughes, have
hereunto set my hand and seal, this Eleventh day of March One.
thousand eight hundred and seventy-three.