Improvements in Loom Shuttle Threaders.
Year: 1896

page_text: Date of Application, 4h June, 1896-Accepted, 18th July, 1896
COMPLETE SPECIFICATION.
Improvements in Loom Shuttle Threaders.
I SOLYME AUGUSTIN BRODEUR, of Vaudreuil, near Montreal in the Province
of Quebec and Dominion of Canada, Notary Public and Conveyancer 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:-
This invention has for its object to provide a machine by means of which the
thread at the end of a bobbin within a shuttle may be quickly drawn through the
eye of the shuttle, whether the same be extended through the right or the left
hand side of said shuttle. It has heretofore been the practice in threading shuttles,
for a person to place his mouth over the eye of the same and then draw in the
breath, thus drawing the thread through the eye. This is a dangerous practice,
inasmuch as the lungs become filled with dust and portions of cotton from the
threads.
I will describe a machine embodying my invention and then point out the novel
features in the appended claims.
Reference is to be had to the accompanying drawings forming a part of this
specification, in which similar characters of reference indicate corresponding parts
in all the views.
Figure 1 is a perspective view of a machine embodying my invention;
Figure 2 is a vertical section thereof;
Figure 3 is a plan view; and
Figure 4 is a perspective view of the end of a shuttle; showing the construction
of the eye.
The machine comprises the standard 1, designed to be secured at its lower end
to the floor, and supporting at its upper end a cylinder 2, within which operates a
piston 3. The piston 3 has a stem 4, extended downward through the bottom of
the cylinder and through guides 5, 6, vertically adjustable on the standard 1.
Below the guide 6 the stem is provided with an outwardly-extended arm 7,
adapted to be engaged by the foot of an operator to force the piston downward.
The piston 3 is moved in its upward direction upon releasing the arın 7 by means
of a spring 8 surrounding the stem, as here shown within a tube 9, and confined'
between the guide '5 and a cross-pin lu on piston rod 4.
The upper side of the cylinder 2 is provided with a table 11, of sufficient length
to accommodate a shuttle. This table also forms a top closure for the cylinder.
A blow pipe 12 communicates with the interior of the cylinder 2 below the piston 3,
and this blow pipe at its upper end has a portion 13, extended over the table 11,
and provided with a downwardly-extended mouth or outlet 14. Suction
tubes 15, 16, communicate with the interior of the cylinder 2 above the piston 3,
and the upper ends of these suction tubes are turned inward toward the longi-
tudinal centre of the table 11. The outlets of these suction tubes are provided
with washers 17 of yielding material, such for instance as soft rubber, adapted to
engage with the side of the shuttle around the eye thereof so as to prevent the
drawing in of the outer atmosphere.
The suction tube 16 is adapted to swing laterally so that a shuttle may be
clainped closely between the two tubes during the operation of threading the
shuttle. This tube 16 is pivotally connected with the table 11 at the point 18,

page_text: and it has a.rearwardly-extended "arm portion 19 adapted to engage with the side
of the shuttle near-its end opposite that containing the eye.
Forward of the blow pipe and suction tube a guide or receiver for the end of a
shuttle is adjustably mounted on the table 11. This guide or receiver comprises a
plate having a vertical portion 20, provided with an opening to receive the end of
a shuttle, and a horizontal portion provided with a slot through which a screw
passes to an engagement in a tapped hole in the table. Obviously this gui le or
receiver may be adjusted toward or from the tubes as may be required to bring
the eye portion of a shuttle within proper alignment with the tubes
As indicated in Figure 4, the eye of a shuttle extends downward through the top
portion near the end, as indicated at 21, and then outward through the side,
as indicated at 22, and as in looms shuttles are employed one having the eye
opening through the left hand side as indicated in Figure 4, and another one having
the eye opening through the right hand side, therefore the machine embodying my
invention is provided with two suction tubes as described.
The operation is as follows: After placing the bobbin in the shuttle, the end
of the thread is laid over the eye portion 21 and then the shuttle is placed on the
table 11, with its end in engagement with the guide or receiver 20. When in this
position the portion 21 of the eye will be underneath the outlet of the blow
pipe 12, and the lateral opening 22 of the eye will be opposite the mouth of the
suction tube 15. The opposite end portion of the shuttle will engage against the
arm 19, and then by moving said end laterally, the suction tube 16 will cause
the shuttle to engage closely against the mouth of the suction tube 15; then by
placing the foot on the arm 7, and pressing downward, the downward movement
of the piston 3 will force the air through the tube 12, and at the same time a
vacuum will be created in the cylinder above the piston, causing a suction through
the tube 15. The force of air through the tube 12 will blow the thread through
the portion 21 of the eye, and the suction through the tube 15 will draw the thread
outwardly through the opening 22 of the eye, as indicated in Figure 4, and while
the piston is still in its lowered position the shuttle may be removed and the thread
grasped by the fingers and drawn out. When the eye extends outward through
the right hand side of a shuttle the suction will be through the tube 16.
Having now particularly described and ascertained the nature of my said inve:-
tion, and in what manner the same is to be performed, I declare that what I
claim is,
1. A shuttle threader, comprising a blow tube, a suction tube, and means for
forcing air through said blow tale and at the same time causing a suction through
said suction tube, substantially as specified.
2. A shuttle threader, comprising a cylinder, a piston operating therein, a blow
tube communicating with the cylinder below the piston, a suction tube communi-
cating with the cylinder above the piston, and means for clamping a shuttle against
said suction tube, substantially as specified.
3. A shuttle threader, comprising a cylinder, a piston operating therein, a blow
pipe communicating with said cylinder below the piston, opposite suction tubes
communicating with the cylinder above the piston, and yielding material in the
mouths of said suction tubes, substantially as specified.
4. A shuttle threader, comprising a cylinder, a piston operating therein, a blow
tube communicating with the cylinder below the piston, a suction tube communi-
cating with the cylinder above the piston, and another suction tube opposite the
first named suction tube and communicating with the cylinder above the piston, the
said. last named suction tube being adapted to swing laterally to clamp a shuttle
between the two suction tubes, substantially as specified.
5. A shuttle threader, comprising a cylinder, a piston operating therein, a
blow tube communicating with the cylinder below the pistou, a suction tube
communicating with the cylinder above the piston, another suction tube opposite
the first named suction tube and communicating with the cylinder.above the piston,

page_text: the said last named suction tube being adapted to swing laterally to clamp a.
shuttle between the two suction tubes, and an adjustable guide or receiver for the
end of the shuttle, substantially as specified.
6. A shuttle threader, comprising a cylinder, a piston operating therein, a table.
on the cylinder, a blow tube communicating with the cylinder below the piston and
having an outlet over the table, suction tubes arranged at opposite sides of the
table and communicating with the tube at the end of the cylinder, one of said
suction tubes being mounted to swing laterally, an arm extended rearward from.
said swinging tube and adapted to engage a shuttle, and a guide or receiver for the
end of a shuttle, mounted on the table, substantially as specified.
7. A shuttle threader, comprising a standard, a cylinder mounted thereon, a.
piston within the cylinder, a stem extended outward from the piston, guides
adjustably mounted on the standard and through which the piston stem extends, an
arm extended outward from the lower end of said stem, a spring for moving the
piston upward, a blow pipe communicating with the interior of the cylinder below
the piston, and a suction tube communicating with the said cylinder above the
piston, substantially as specified.
Deted this 4th day of June 1896
A. M. & WM. CLARK,
53 Chancery Lane, London, Chartered Patent Agents.
A. M. & WM. CLARK,
53 Chancery Lane, London, Chartered Patent Agents.