IMPROVEMENTS IN THE MANUFACTURE OF SHEARS OR SCISSORS, AND IN APPARATUS EMPLOYED THEREFOR
Year: 1871

page_text: LETTERS PATENT to George Haseltine, of the Firm of Haseltine,
Lake, & Co., Patent Agents, Southampton Buildings, London, for
the Invention of "IMPROVEMENTS IN THE MANUFACTURE OF SHEARS OR
SCISSORS, AND IN APPARATUS EMPLOYED THEREFOR."-A communication
from abroad by Russell Samuel Gladwin and Timothy Dwight
Hotchkiss, both of West Meriden, Connecticut, United States of
America.
Sealed the 10th May 1872, and dated the 23rd November 1871.
COMPLETE SPECIFICATION filed by the said George Haseltine at
the Office of the Commissioners of Patents, with his Petition and
Declaration, on the 23rd November 1871, pursuant to the 9th
Section of the Patent Law Amendment Act, 1852.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, GEORGE
HASELTINE, of the Firm of Haseltine, Lake, & Co., Patent Agents,
Southampton Buildings, London, send greeting.

page_text: shears being formed entirely upon one side, as previously stated. In
the end of each of the dies is a groove c for admitting the rod to which
the blank is attached. Before the blank is exposed to the action of the
drop dies it is swaged or forged by means of drawing dies, such for
instance as are shewn in Figures 8 and 9. These dies are provided with
5 (more or less) grooves or indentations d, e, f, g, h, and by the action
of the indentations d, e, the blank is brought to the shape shown in
Figure 4; the head of the blank being formed in the grooved and its
shank in the groove e.
The blank is then placed in the groove ƒ whero
the shank is flattened, and then it is placed in the groove g where the
head of the blank is flattened, bringing the same to the form shewn in
Figure 5. The blank after having been brought to this shape is bent
in the groove h, into which it is placed edgewise as shewn in Figure 9.
After having passed through these subsequent operations under the
drawing dies the blank is ready for the action of the drop dies..
The bows or eyes of the handles are produced by the portions C, C, of
the drop dies, Figures 1, 2, and 3, and these portions may be made flat
or they may be convex as shewn in Figure 3, in order to facilitate the
operation and more effectually spread the metal for the formation of the
eyes. After the blank has passed through the drop dies A, B, there
will be a thin film of metal around the edges and across the eye of the
handle, and this film is removed by "passing the article through a set of
trimming dies which cut away all the superfluous metal and leave the
article ready for finishing.
In shears or scissors where both parts are alike, such parts can be
made in the same sets of dies, and by placing the flat portions of the
blades together they are brought into position for rivetting.
For shears however where the handles and blades are of different
dimensions two sets of dies must be used, one set for each part.
It is obvious that this process is applicable for the manufacture of
shears or scissors of any description, and in some cases the drop dies may
be constructed to form simply the eye or bow of the handle upon the
bar of metal, using the same form as before described for pressing the
metal outward, and into the proper indentations in the dies, and forming
the aperture in the eye or bow.
Having thus fully described the said Invention, as communicated to
me by my foreign correspondents, I wish it understood, that I do not

page_text: claim broadly a die for forming the blade of scissors, as such is not new,.
but I claim,
First. The within-described process for manufacturing wrought metal
shears by first exposing the metal to the action of suitable drawing dies,
and then subjecting the blank produced by the said drawing dies to the
action of drop dies, constructed substantially in the manner herein set
forth.
Second. The dies constructed as shown and described for forming
scissors or shears from a wrought blank, substantially in the manner
herein specified.
In witness whereof, I, the said George Haseltine, have hereunto
.set my hand and seal, this Twenty-third day of November, in
the year of our Lord One thousand eight hundred and seventy-
one.
Witness,
W. ROB. LAKE.
GEORGE HASELTINE. (L.S.)