Improvements in Shuttle Box and Let-off Motions of Looms for Weaving.
Year: 1899

page_text: Date of Application, 24th Aug., 1899
Complete Specification Left, 24th May, 1900-Accepted, 30th June, 1900
PROVISIONAL SPECIFICATION.
Improvements in Shuttle Box and Let-off Motions of Looms
for Weaving.
We, RICHARD LONGDEN HATTERSLEY, of North Brook Works, Keighley, in
the County of York, Machine Maker, and SIMEON JACKSON, of the same address,
Manager, do hereby declare the nature of this invention to be as follows:
The first part of our invention relates to shuttle box mechanism of looms
for weaving and is an improved arrangement of the mechanism claimed in
Specification of Letters Patent Number 8773 of 1888 for the purpose, of render-
ing this movement free from vibration and more positive in its action and thus
obtaining an increase in the speed of the loom.
In this our improvement we make use of the segment wheels, supplementary
gearing wheel, lever for the latter which is operated from the pattern surface,
also the locking lever, and the differential levers for transmitting the move-
ment to the boxes, as shown in the before mentioned specification and we mount
these parts in the manner hereafter explained. The toothed crank wheel is of
special construction having on its periphery a nose, or projection which on each
operation of same comes in contact with a fixed pin and is thus locked or held
rigidly in position.
Our method of mounting these parts is as follows:-
One of the segment wheels is rigidly mounted on the crank shaft of the loom,
the other segment wheel is rigidly mounted on a short shaft, which is operated
by gear wheels from the crank shaft. The toothed crank wheel is connected to
one of the differential levers and receives its motion by means of the supple-
mentary gear wheel from one or other of the two segment wheels, as determined
by the movement imparted by the pattern surface to the lever on which the
supplementary gear wheel is fixed.
As is well understood there is a series of supplementary gear wheels and
toothed cranked wheels the number of same being in accord with the number
of boxes to be operated.
We also apply a foot treadle lever to the connection of the boxes with the
differential levers in order that the same can be raised when desired.
When
The second part of our invention refers to worm let-off mechanism in combi-
nation with a hinged back rail and is an addition to the parts shown and
described in our Specification of Letters Patent Number 1557 of 1894.
lagging back, that is when the cloth is being unwoven, this mechanism is, by
the aid of our present invention, more accurately controlled than hitherto.
We attain our object by the use of a supplementary, lever, one arm of which
we connect, by rod, to the curved plate, and the other arm is connected to the
lagging back motion, and it, the supplementary lever is fulcrumed on and
works in connection with the lever to which the before mentioned rod has
hitherto been connected.
It is arranged in such a manner that when the cloth is being woven this
supplementary lever is held rigid and the curved plate is operated same as

page_text: described in Specification numbered 1557. of 1894, and when lagging back the
position of the supplementary lever is changed and with it the curved plate in
such a manner that the catch for reversing the warp beam is brought imme-
diately into position for operating its catch wheel: instead of the position of
the curved plate being automatically changed after one or two operations of the
loom as hitherto.
Dated this 23rd day of Auvust 1999
Improvements in Shuttle Box and Let-off Motions of Looms
for Weaving.
We, RICHARD LONGDEN HATTERSLEY, of North Brook Works, Keighley, in
the County of York, Machine Maker, and SIMEON JACKSON, of the same address,
Manager, 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:-
The first part of our invention relates to shuttle box mechanism of looms
for weaving and is an improved arrangement of the mechanism claimed in
Specification of Letters Patent Number 8773 of 1888 for the purpose of render-
ing this movement free from vibration and more positive in its action and thus
obtaining an increase in the speed of the loom.
In this our improvement we make use of the segment wheels, supplementary
gearing wheel, lever for the latter, which is operated from the pattern surface,
also the locking lever, and the differential levers for transmitting the move-
ment to the boxes, as shown in the before mentioned specification and we mount
these parts in the manner hereafter explained. The toothed crank wheel is of
special construction having on its periphery a nose, or projection which on each
operation of same comes in contact with a fixed pin and is thus locked or held
rigidly in position.
Our method of mounting these parts is as follows:-
One of the segment wheels is rigidly mounted on the crank shaft of the loom,
the other segment wheel is rigidly mounted on a short shaft which is operated
by gear wheels from the crank shaft. The toothed crank wheel is connected to
one of the differential levers and receives its motion by means of the supple-
mentary gear wheel from one or other of the two segment wheels, as determined
by the movement imparted by the pattern surface to the lever on which the
supplementary gear wheel is fixed.
As is well understood there is a series of supplementary gear wheels and
toothed cranked wheels the number of same being in accord with the number
of boxes to be operated.
We also apply a foot treadle lever to the connection of the boxes with the
differential levers in order that the same can be raised when desired.
The second part of our invention refers to worm let-off mechanism in combi-
nation with a hinged back rail and is an addition to the parts shown and
described in our Specification of Letters Patent Number 1557 of 1894. When
lagging back, that is when the cloth is being unwoven, this mechanism is, by
fhe aid of our present invention, more accurately controlled than hitherto.
We attain our object by the use of a supplementary lever, one arm of which

page_text: ve connect, by rod, to the curved plate, and the other arm is connected to the
agging back motion and it, the supplementary lever is fulcrumed on and
works in connection with the lever to which the before mentioned rod has
hitherto been connected.
It is arranged in such a manner that when the cloth is being woven this
supplementary lever is held rigid and the curved plate is operated same as
described in Specification numbered 1557 of 1894, and when lagging back the
position of the supplementary lever is changed and with it the curved plate in
such a manner that the catch for reversing the warp beam is brought imme-
diately into position for operating its catch wheel: instead of the position of
the curved plate being automatically changed after one or two operations of the
loom as hitherto.
In order to make clear our invention we append hereto three sheets of draw-
ings marked with figures of reference in which like figures denote like parts.
Figure 1 is an end view of the shuttle box mechanism and Fig. 2 a front
view of same. Fig. 3 & 4 are front and end views of the addition to the worm
let-off mechanism.
In our arrangement of the parts for operating the rising boxes we make use
of the segment wheel 1 mounted on the crank shaft 2 gear wheel 3, and the
lever 4 connected by rod 5 to the indicating mechanism, also the locking lever 6,
and differential levers 7 and rods 8, all as shown in our Specification of Letters
Patent No. 8773 of 1888.
the
A
Our improvement is as follows:-We mount rigidly on the crank shaft
wheel 9 which gears with the wheel 10, the latter operates the segment wheel 11,
both being rigidly mounted on the short shaft 12. We design the crank gear
wheel 14 with a projection or nose 13 on its periphery which at the end of each
of its two operations comes in contact with one of the two pins 15 & 16
lever 22, spring 23, and bowl 24 are applied to the rod 8 in the manner shown
in Fig. 1 & 2 and we connect one of the differential levers 7 to the tier of
rising boxes 17 by means of rod 18 and lever 19. Thus when the boxes 17
have to be lowered the gear wheel 3 is raised into contact with the segment
wheel 11 or if the boxes have to be raised it is lowered into contact with the
segment wheel 1 & the boxes are operated as required also it will be seen that
the crank gear wheel 14 is at the end of each of its two operations held rigidly
in position.
A foot treadle 25 is mounted loosely on the stud 26 and connected to the
lever 19 by rod 27, also the rod 18 is supplied with a hoop 28 and an open
spring 29 and by this arrangement the tier of boxes 17 are positively operated
by the box motion also it can be, at will, raised by the operator.
As is well understood there is a series of the gear wheel 3 with its cranked
gear wheel 14 that is in accord with the number of boxes to be operated, ali
working in the manner shown also that there may be a tier of shuttle boxes on
one or both sides of the loom the motion being transmitted by means of the
shaft 30, rod 18ª, lever 19ª, rod 31, and piece 32 from the differential levers 7"
to the tier of shuttle boxes on opposite side of loom. The foot treadle 25ª is
applied to same being connected with the shaft 30* and lever 19" by rod 33 and
piece 34ª.
With regard to the second part of our invention the curved plate 33 has hitherto
been connected by rod 34 and controlled direct from the lever 35. Now, in
order to attain the object of our invention, we mount loosely the lever 36 on
the lever 35, to one arm 37 of this lever 36 is connected the curved plate 33 by
rod 34, and to the other arm 38 we connect the lagging rod 39 by means of the
rod 40 & fingers 42 & 43 rigidly mounted on the shaft 41.
The lagging rod 39 has three positions 44, 45, 46, when at position 44, as
shown on Fig. 3 & 4, and also at position 45 the fingers 42 & 43 and lever 36
are so arranged that the position of the curved plate 33 is the same as described
in Specification of Letters Patent No. 1557 of 1894. When at position 46 with

page_text: the dobby and other motions of the loom reversed, the fingers 42 & 43 and
lever 36 take up the positions 47, 48 49 as shown in dotted lines, and thus the
curved plate 33 is raised and the catch 50 is put into direct contact with the
catch wheel 51 and prepared to operate same as required.
Having now particularly described and ascertained the nature of our said
invention and in what manner the same is to be performed, we declare that
what we claim is:-
(1st). The combination and arrangement of the shuttle-box mechanism in the
manner shown and described and for the purpose specified.
(2nd). The connection of the let-off motion to the lagging-back motion in
the manner shown and described and for the purpose specified.
Dated this 93m dow of Move 1000
RICHD. L. HATTERSLEY,
SIMEON JACKSON,
Applicants.