IMPROVE MENTS IN DRAWING FRAMES
Year: 1879

page_text: LETTERS PATENT to Edward Dugdale, Joseph Dugdale, and George Hawarth,
all of Blackburn, in the County of Lancaster, for the Invention of "IMPROVE
MENTS IN DRAWING FRAMES."
Sealed the 27th December 1879, and dated the 16th July 1879.
PROVISIONAL SPECIFICATION left by the said Edward Dugdale, Joseph
Dugdale, and George Howarth at the Office of the Commissioners of Patents
on the 16th July 1879.
EDWARD DUGDALE, and JOSEPH DUGDALE, and GEORGE HAWORTH, all of Black-
burn, in the County of Lancaster. "IMPROVEMENTS IN DRAWING FRAMES."
Our improvements relate to the knocking off motion, and in performing our
Invention we make use of a fluted roller running the whole length of the frame
placed at the back between the guiders and the spoons; this roller may be driven
by gearing from the knocking off shaft. Above the fluted roller are smooth rollers,
one to every two slivers, running loose in open bearings or cap bars attached to the
back plate. By this arrangement the ends can be pieced up without lifting the top
rollers, instead of moving the rollers as heretofore. When a piecing or lump in
the sliver catches against the guider the sliver breaks between the guider and the
rollers, and the machine is stopped by the action of the spoon before the broken
end runs through the drawing rollers, thus preventing "singles."

page_text: SPECIFICATION in-pursuance-of-the-conditions of the Letters Patent filed by
the said Edward Dugdale, Joseph Dugdale, and George Hawarth in the Great
Seal: Patent Office on the 16th January 1880.
EDWARD DUGDALE, and JOSEPH DUGDALE, and GEORGE HOWARTH, all of Black-
burn, in the County of Lancaster. "JMPROVEMENTS IN DRAWING FRAMES."
Our improvements relate to the knocking off motion of drawing frames, and_in_
performing our Invention we make use of a fluted roller running the whole length
of the frame placed at the back between the guiders and the spoons or tumblers;
this roller may be driven by gearing from the knocking off shaft. Above the
fluted roller are smooth rollers, one to every two slivers, running loose in open
bearings or cap bars attached to the back plate; these smooth rollers are provided
with covers which act as pressers or weights by means of projections which enter
the open bearings. By this arrangement the ends can be pieced up without lifting
the top rollers, instead of moving the top rollers as heretofore. When a piecing or
lump in the sliver catches against the guider the sliver breaks between the guider
and the rollers, and therefore cannot break between the above mentioned rollers
and the drawing rollers, and the machine is stopped by the action of the spoon
before the broken end runs through the drawing rollers, thus preventing "single."
And in order that our Invention may be fully understood we will proceed to
describe the accompanying Sheet of Drawings. Fig. 1 is an end view and Fig. 2
is a front view of part of a drawing frame to which our improvements are applied,
and Fig. 3 is a detached view of the roller e and a cap bar or roller holder. a, a,
are the drawing rollers; b is the back plate; 61, the spoons or tumblers; and c, the
sliver guider or bar, all of which are made in the ordinary manner; d is the fluted
roller running the whole length of the frame; e, e, are the top rollers, either fluted
or plain, working on the roller d; f, f, are the cap bars or roller holders attached to
the back plate b; g, g, are movable covers which may act as weights or pressers
to the rollers e. The mode of operation is as follows -When a lump, piecing, or
weak part in the sliver comes against the guider c the sliver breaks between the
guider c and the rollers d and e, and not so near the drawing rollers a, a, as to
allow the end to run through them, as heretofore, before the machine is stopped,
and thus prevents "single" being made, and the end is left sufficiently long when
the frame stops to allow the sliver to be pieced up before entering the drawing
rollers a, a. The rollers e, e, are supported in the cap bars or holders f, f, in such a
manner that the sliver can be pieced in the ordinary way without lifting or moving
them from their places. On the detached view, Fig. 3, a cap bar or roller holder f
is shewn supporting a roller e. When the machine is at work two slivers pass
under the roller e, one at each side of the standard, and it is obvious that a sliver
can be pieced up without lifting the roller e. Having thus stated the nature of our
Invention, and described the manner of performing the same, we declare that we
claim the mode of applying the short rollers, marked e, in connection with the
roller a, substantially as shewn and described, whereby the slivers, when broken,
can be pieced in the ordinary manner without having to lift or touch the rollers
and without running "single."
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In witness whereof, I, the said Joseph Dugdale, for myself and on behalf of
the said Edward Dugdale and George Howarth, have hereunto set my hand
and seal, this Thirteenth day of January, One thousand eight hundred and
JOSEPH DUGDALE. (L.S.)