Improvements in Shuttle Boxes.
Year: 1894

page_text: Date of Application, 28th Feb., 1894
Complete Specification Left, 27th Nov., 1894-Accepted, 29th Dec., 1894
Improvements in Shuttle Boxes.
We, JAMES GORDON, and ROBERT ALLAN, of Blackness Foundry, Dundee, in
the County of Forfar, North Britain, Engineers, do hereby declare the nature of
this invention to be as follows, that is to say :—
.
Our said invention has for its object to improve the construction of shuttle boxes
in a manner to diminish the friction and wear incidental to such, shuttle boxes as
.heretofore constructed.
In carrying out our invention instead of making a large part of the back of the
shuttle box fixed and rigid with a narrow slot in which works a movable "swell'
as heretofore, we make the entire back in one piece which presents a bulging or
swell surface to be acted on by the homing shuttle, and which yields by the action
of the shuttle and in doing so acts on the protector rod in the ordinary way.
According to one modification we make the box back to consist of a plate or
strip of spring steel, which is fixed to the lathe sword by a bent back part at its
inner end, the outer end of the plate or strip being free to move in a recess formed
for it in the outer end piece of the box. A piece of wood or other suitable
material is fixed to the outer side of the plate or strip and acts on the lifter on the
protector rod, when the presence of the shuttle in the box causes the swell of the
box back, to be pressed back and straightened. The bent or rounded inner end
of the spring back presents an easy entrance for the shuttle, whilst the sliding
contact of the side of the shuttle on the comparatively broad surface of the back
is productive of much less friction and wear, than that of a narrow part of the
shuttle on the narrow "swell" of the old arrangement.
According to other modifications, the outer wood piece might be pivoted on a
pin at its front end instead of being fixed to the spring back; or the spring back
might be fixed. at its outer instead of its inner end; or,,again, the back, may be of
wood or other suitable material and hinged at its inner end to the lathe sword, a
helical or other spring being applied to its outer end or other suitable part.
..Dated this Twenty-seventh day of February 1894.
EDMUND HUNT,
Applicants Agent.
Improvements, in snuttle Boxes.
We, JAMES GORDON, and ROBERT ALLAN, of Blackness Foundry, Dundee, in
the County of Forfar, North Britain, Engineers, 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, that is to say :-
Our said invention has for its object to improve the construction of shuttle boxes
in a manner to diminish the friction and wear incidental to such shuttle boxes as
heretofore constructed.
In carrying out our invention instead of making a large part of the back of the
shuttle box fixed and rigid with a narrow slot in which works a movable "swell"

page_text: as heretofore, we make the entire back in one piece which presents a bulging or
swell surface to be acted on by the homing shuttle, and which yields by the action
of the shuttle, and in doing so acts on the protector rod in the ordinary way.
And in order that our said invention and the manner of performing the same
may be properly understood, we hereunto append a sheet of explanatory drawings,
to be hereinafter referred to, and showing a shuttle box as made according to our
invention.
Figure, 1, of the drawings is a sectional plan, Figure, 2, is a sectional elevation,
and Figure, 3, a vertical section, as at right angles to Figure, 2. In these drawings
the same reference letters are used to mark the same or like parts wherever they
are repeated.
According to the modification shown in the drawings we make the box back to
consist of a thin plate or strip, A, of spring steel, which is fixed to the lathe
sword, B, by a bent-back part at its inner end, the outer end of the plate or strip
being free to move in a recess, C, formed for it in the outer end piece of the box.
A piece of wood, D, or other suitable material is fixed to the outer side of the
plate or strip, A, and acts on the lifter, E, on the protector rod, F, when the
presence of the shuttle in the box causes the swell of the box back to be
pressed back and straightened, this position being shown by dotted lines, G.
The wood piece, D, is fixed to the spring back, A, near its outer end and
the bending out of the back, A, causes the inner end of the piece, D, to
move out from the back as shown by the dotted lines, H. The bent or
rounded inner end of the spring back, A, presents an easy entrance for
the shuttle, whilst the sliding contact of the side of the shuttle on the
comparatively broad surface of the back is productive of much less friction and
wear than that of a narrow part of the shuttle on the narrow swell of the old
arrangement. The spring back, A, has at or near the entrance to the box a part, J,
of its upper edge bent over to prevent the shuttle from rising.
According to other modifications the outer wood piece might be pivoted on a pin
at its front end instead of being fixed to the spring back; or the spring back
might be fixed at its outer instead of its inner end; or again, the back may be of
wood or other suitable material and hinged at its inner end to the lathe sword, a
helical or other spring being applied to its outer end or other suitable part.
Having now particularly described and ascertained the nature of our said inven-
tion and in what manner the same is to be performed, we declare that what we
claim is:
Making the entire back of a shuttle box movable by the homing shuttle, the
parts being constructed, arranged and operating substantially as hereinbefore
described.
Dated this Twenty-sixth day of November 1894.