IMPROVEMENTS IN BUFFERS, DRAW SPRINGS, AND BEARING SPRINGS
Year: 1859

page_text: LETTERS PATENT to John Brown, the younger, of the Rotherham Iron
Works, Rotherham, in the County of York, Ironfounder, for the
Invention of "IMPROVEMENTS IN BUFFERS, DRAW SPRINGS, AND BEARING
SPRINGS."
Sealed the 27th October 1859, and dated the 17th May 1859.
PROVISIONAL SPECIFICATION left by the said John Brown at the
Office of the Commissioners of Patents, with his Petition, on the
17th May 1859.
I, JOHN BROWN, the younger, of the Rotherham Iron Works, Rotherham,
in the County of York, Ironfounder, do hereby declare the nature of
the Invention for "IMPROVEMENTS IN BUFFERS, DRAW SPRINGS, AND BEARING
SPRINGS," to be as follows:-
This Invention consists in constructing railway buffers, draw springs, or
bearing springs, each with two or more spiral springs, supported and kept in
their proper positions by means of tubes connected together by telescopic
joints, so that they may slide within each other, each spring having a separate
set of tubes. By these means railway buffers, draw springs, and bearing
springs may be constructed having great extent of play.

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent, filed
by the said John Brown in the Great Seal Patent Office on the 16th
November 1859.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, JOHN
BROWN, the younger, of the Rotherham Iron Works, Rotherham, in the County
of York, Ironfounder, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, bearing date the Seventeenth day of May, in the year of our Lord
One thousand eight hundred and fifty-nine, in the twenty-second year of
Her reign, did, for Herself, Her heirs and successors, give and grant unto me,
the said John Brown, Her special licence that I, the said John Brown,
my executors, administrators, and assigns, or such others as I, the said
John Brown, my executors, administrators, and assigns, should at any time
agree with, and no others, from time to time and at all times thereafter
during the term therein expressed, should and lawfully might make, use,
exercise, and vend, within the United Kingdom of Great Britain and Ireland,
the Channel Islands, and Isle of Man, an Invention for "IMPROVEMENTS IN
BUFFERS, DRAW SPRINGS, AND BEARING SPRINGS," upon the condition (amongst
others) that I, the said John Brown, my executors or administrators, by an
instrument in writing under my, or their, or one of their hands and seals,
should particularly describe and ascertain the nature of the said Invention,
and in what manner the same was to be performed, and cause the same to be
filed in the Great Seal Patent Office within six calendar months next and
immediately after the date of the said Letters Patent.
NOW KNOW YE, that I, the said John Brown, do hereby declare the
nature of the said Invention, and in what manner the same is to be per-
formed, to be particularly described and ascertained in and by the following
statement thereof, that is to say :-
This Invention consists in constructing railway buffers, draw springs, or
bearing springs, each with two or more spiral springs, supported and kept in
their proper positions by means of tubes connected together by telescopic joints,
so that they may slide within each other, each spring having a separate set of
tubes. By these means railway buffers, draw springs, and bearing springs
may be constructed having great extent of play.
Having thus stated the nature of my Invention, I will proceed to describe
more fully the manner of performing the same.

page_text: DESCRIPTION OF THE DRAWINGS.
Figure 1 shews a side view; Figure 2, a section; and Figure 3, a transverse
section, taken through the line A, B, Figure 2, of a buffer constructed
according to my Invention. This buffer is composed of seven spiral springs
a, a, each of which is supported and kept in its proper position by a tube b,
in which a rod or tube c slides. The arrangement of the springs and their
supports is clearly shown in the sections, Figures 2 and 3. Figures 4 and 5
shew respectively a side view and section of a draw spring; and Figure 6
shews a side view, partly in section, of a railway bearing spring. Each of
these springs is composed of spiral springs, supported and kept in position
in the same manner to those in the buffer above described, and their con-
struction is clearly shown in the Drawings.
Having thus described the nature of my Invention and the manner of
performing the same, I would have it understood that although I have only
shewn a buffer, a draw spring, and a bearing spring, each composed of seven
spiral springs, I do not confine myself thereto, as the number and arrange-
ment of the springs may be varied; but what I claim is, constructing buffers,
draw springs, and bearing springs, each of two or more spiral springs, supported
and kept in position as herein described.
In witness whereof, I, the said John Brown, have hereunto set my
hand and seal, this Tenth day of November, in the year of our Lord
One thousand eight hundred and fifty-nine.
JOHN BROWN, JUN". (L.S.)