AN IMPROVED METHOD OF HANGING DOORS
Year: 1860

page_text: LETTERS PATENT to John Alexander Callander, of Springfield House,
near Ryde, in the Isle of Wight, for the Invention of "AN IMPROVED
METHOD OF HANGING DOORS."
Sealed the 27th March 1861, and dated the 28th September 1860.
PROVISIONAL SPECIFICATION left by the said John Alexander Callander
at the Office of the Commissioners of Patents, with his Petition, on the
28th September 1860.
I, JOHN ALEXANDER CALLANDER, of Springfield House, near Ryde, in the
Isle of Wight, do hereby declare the nature of the said Invention for "AN
IMPROVED METHOD OF HANGING DOORS," to be as follows:-
The object of this Invention is to hang the folding doors or single doors of
rooms in such a manner as to slide them with their posts into cavities or
recesses formed in the wall or partition for their reception, the door being
hinged on to the door post in the ordinary way.
The door post is mounted on wheels and runs along a bar fixed under the
floor; a bar is also fixed above the door post, on which another wheel runs,
being coupled to the door post by plates; on each side friction rollers are
placed at the end of the floor boards to guide the door in or out of the recess..
A flush slip bolt is also used to keep the door post in its place, when the
door will act as an ordinary hinged door.

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent, filed
by the said John Alexander Callander in the Great Seal Patent Office
on the 28th March 1861.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, JOHN
ALEXANDER CALLANDER, of Springfield House, near Ryde, in the Isle of
Wight, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, bearing date the Twenty-eighth day of September, in the year of our Lord
One thousand eight hundred and sixty, in the twenty-fourth year of Her reign,
did, for Herself, Her heirs and successors, give and grant unto me, the
said John Alexander Callander, Her special licence that I, the said John
Alexander Callander, my executors, administrators, and assigns, or such others
as I, the said John Alexander Callander, 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 Inven-
tion for "AN IMPROVED METHOD OF HANGING DOORS," upon the condition
(amongst others) that I, the said John Alexander Callander, 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 Alexander Callander, do hereby
declare the nature of my said 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:-
The object of this Invention is to hang the folding doors or single doors
of rooms in such a manner as to slide them with their posts into cavities or
recesses formed for their reception in the wall or partition, the door being
hinged on to the door post in the ordinary way.
In order to explain my said Invention as completely as possible I now
proceed to describe the best means I am acquainted with for carrying the
same into practical effect, reference being had to the illustrative Drawing
hereto annexed, and to the letters of reference marked thereon, as
follows:-

page_text: DESCRIPTION OF THE DRAWING.
A, A, represents the door post, to which are securely attached plates of
angle iron b, b, forming a shoe. Beneath the floor boards is placed an iron
bar c, upon which wheels d, d, (at the lower part of the shoe plates) travel.
e, e, is a bar, placed in a space formed between the top of the door frame and
the ceiling, upon which bar e runs another wheel f, secured by plates to the
upper part of the door post a, as shewn. A small roller or wheel g (shewn in
dotted lines) is placed at the end of the floor board, and another at the end of
the head board, which owing to the door being grooved at top and bottom, act
as guides, and contribute greatly to the steady working of the door. A flush
bolt h is attached to the door post a to prevent the door running in when
in use.
Having now described the nature and object of my said Invention of
"An Improved Method of Hanging Doors," and the manner in which the
same is to be performed, I would remark, in conclusion, that I do not confine
or restrict myself to the precise details herein described, and shewn by the
accompanying illustrative Drawing, as various means may be adopted for
attaining the same object without in any way departing from the principle of
my Invention; but what I claim as my Invention intended to be secured to
me by the herein in part recited Letters Patent, is, the method of hanging
single or folding doors so that when not required for use they may be run into
the wall or partition in the manner herein described, and shewn in the accom-
panying Drawing.
In witness whereof, I, the said John Alexander Callander, have hereunto
set my hand and seal, this Twenty-first day of March, in the year of
our Lord One thousand eight hundred and sixty-one.
JOHN ALEX. CALLANDER. (L.S.)
Witness,
GEORGE JEFFERY,
Gardener at Springfield.