IMPROVEMENTS IN FIRE, GRATES AND STOVES, APPLICABLE ALSO TO FURNACES
Year: 1885

page_text: Furnaces.
I JAMES JESSE CARPENTER, of 157, High Street, Stoke Newington, in the
County of Middlesex, Gentleman, do hereby declare the nature of the said
Invention for IMPROVEMENTS IN FIRE, GRATES AND STOVES, APPLICABLE ALSO
TO FURNACES," to be as follows:-
This Invention relates to improvements in fire stoves or grates for the purpose
of regulating the rate of combustion therein.
The improvements consist in employing a moveable grating placed over or under
the ordinary grating the bars and openings in the two grates being of the
same size.
When the bars of the two grates are placed opposite to each other air can pass
freely through the openings and the stove is then a fast combustion one, but if
the moveable grate is moved end wise the openings are contracted and may be
entirely closed thereby securing the slowest combustion possible.
For moving the grate end wise a rod is attached to one end thereof extending
through the side of the stove and by means of a short lever or handle connected
therewith at right angles and projecting through the front of the stove the
movements can be effected without difficulty or danger.
My Invention is also applicable to stoves in which air is admitted through the
sides or back.

page_text: COMPLETE SPECIFICATION.
Improvements in Fire Grates and Stoves, Applicable also to
Furnaces.
I JAMES JESSE CARPENTER of 157 High Street Stoke Newington in the
County of Middlesex, Gentleman do hereby declare the nature of my Invention
for "IMPROVEMENTS IN FIRE STOVES APPLICABLE ALSO TO FURNACES" and in
what manner the same is to be performed to be particularly described and
ascertained in and by the following statement :-
This Invention relates to Improvements in fire stoves or grates for the purpose
of regulating the rate of combustion therein.
The Improvements consist in employing a moveable grating placed over or
under the ordinary grating the bars and openings in the two grates being of the
same size.
When the bars of the two grates are placed opposite to each other air can pass
freely through the openings and the stove is then a fast combustion one but if
the moveable grate is moved end wise the openings are contracted and may be
entirely closed thereby securing the slowest combustion possible.
For moving the grate endwise a rod is attached to one end thereof extending
through the side of the stove and by means of a short lever or handle connected
therewith at right angles and projecting through the front of the stove the
movements can be effected without difficulty or damage.
My Invention is also applicable to stoves in which air is admitted through the
sides back or front.
And in order that my Invention may be more. fully understood I have hereto
annexed a sheet of Drawings illustrative thereof.
Fig. 1 is a front elevation, partly in section, of a fire stove with my. Improve-
ments applied thereto; Fig. 2 is a plan view of the same.
At the bottom of the stove is the ordinary grate A through which air ascends:
Above this is my moveable grate B to one end of which is attached a prolongation C
to which is fixed, an arm D which projects through, the front of the stove plate a
slot being cut therein for the purpose. By means of the arm D the grate can be
moved endwise at pleasure. The action of the apparatus is very simple. To
provide a free access of air for rapid combustion the grate B is adjusted so that
the openings between the bars a correspond with those between the bars c, but if
a slower combustion is required the bars of the grate B must be made to overlap
the openings of the fixed grate and so shut the air off to the required extent.
In order to prevent the accumulated ashes or dust from interfering with the
free motion of the grate B, slots d are cut in the sides of the fire place to allow for
the escape of such ashes or dust. When a fire requires scaling it is only necessary
to move the grate B "to and fro" quickly a few times and all the dust removed
will fall directly into the ashes pan without disturbing the bulk of the fuel.

page_text: I do not confine myself to any particular mode of moving the grate B as this
will vary according to the pattern of the stove or fire place to which it may be
applied.
Having now particularly described and ascertained the nature of my said
Invention and in what manner the same is to be performed, I declare that what
I claim is
The use of a moveable grate B in addition to the usual fixed grate A in fire
stoves and furnaces.