Improvements in Kitchen Ranges.
Year: 1891

page_text: Date of Application, 27th May, 1291
Complete Specification Left, 27th Feb., 1892-Accepted, 9th Apr., 1892
PROVISIONAL SPECIFICATION.
Improvements in Kitchen Ranges.
I MICHAEL HOLROYD SMITH of 161 Trinity Road Upper Tooting, Surrey do
hereby declare the nature of this invention to be as follows:-
The object of this invention is to obtain greater efficiency in kitchen ranges and
to economize coal.
In the type of closed kitchener known generally as the Leamington range a
deep fire is placed between two ovens, a wrought iron boiler for bath and hot water
service is placed behind, the top is covered with iron plates and a door or shutter
usually closes the upper part of the front fire bars. The objection to this type of
range is that when heat is wanted for boiling pans frying etc. the fire should be
near to the top plate, or a deep & wasteful fire has to be used unless a false grate
is put in to lift the fire, in which case it is lifted above the flue which usually
passes beneath the fixed boiler, and the service water is therefore not properly
heated.
In order to secure a fire near to the top plate and at the same time provide for
heating the boiler I construct and use a false grate consisting of a frame carrying
bars shaped like the letter with its long limb placed horizontally the sides
of the frame rest upon a wrought iron plate placed on the usual grate bars, the
low ends of the vertical bars do not touch this plate but leave space for clearing
out the ashes that fall from the horizontal bars between the vertical bars and the
boiler or fire back.
This invention provides a main fire near the top plate of the range supported on
the horizontal bars, and at the same time secures a hot fire, against the boiler
held there by the vertical bars. The frame carrying the bars can be slided in and
out thus regulating the thickness of fire between the boiler and vertical bars as the
household service may require.
This device is specially applicable to existing ranges.
The same principle could with slight alteration be applied to & form part of
new ranges when the usual bottom bars or grating could be dispensed with,
and a cast-iron plate be introduced in lieu of the wrought iron one previously
described.
The horizontal and vertical bars could if desired be hinged at their junction
and be pivoted on their points and regulated by a rack or made to tilt.
The details for carrying out this invention are capable of many modifications.
Dated this the 26th day of May 1891.
M. HOLROYD SMITH.
COMPLETE SPECIFICATION.
Improvements in Kitchen Ranges.
1, MICHAEL HOLROYD SMITH of 161 Trinity Road, Upper Tooting,
London S.W., Consulting and Mechanical Engineer, do hereby declare the nature
of this invention and in what manner the same is to be performed, to be particularly
described and ascertained in and by the following statement :-
The object of this invention is to obtain greater efficiency in kitchen ranges, and
to economize coal.
In the type of closed kitchener known generally as the Leamington range, a
deep fire is placed between two ovens, a wrought iron boiler for bath and hot water
service is placed behind. The top is covered with iron plates, and a door or shutter
usually closes the upper part of the front fire bars.
The objection to this type of range is that when heat is wanted for boiling,
Price 81.1

page_text: pans, frying etc., the fire should be near to the top plate, and a deep and wasteful
fire has to be used, unless a false grafe is put in to lift the fire, in which case it is
lifted above the flue which usually passes beneath the boiler, and the water therefore
is not properly heated.
In order to secure a fire near to the top plate, and at the same time provide for
the heating of the boiler, construct and use a false grate consisting of a frame
carrying bars shaped like the letter ✓ with its long limb placed horizontally,
The sides of the frame
the short limb pendant from it vertically or nearly so.
rest upon a wrought iron or other plate, placed on the usual bottom grate bars.
The low ends or points of the vertical bars do not touch this plate, but leave space
for clearing out the ashes that fall from the horizontal bars between the vertical
bars and the boiler. This will be more clearly understood by reference to the
accompanying drawings.
Fig. 1 represents a cross section of the fire grate portion of a Leamington range
with the improved false grate in position.
Fig. 2 is a front elevation of the same.
Like letters refer to similar parts in all the drawings.
A is the top plate or hot hearth, B the service boiler, C the flue to one of
the ovens, D the flue under the boiler, E-E the front fire bars still left in,
G G the recesses from which the lower front bars have been removed.
The improved false grate forming this invention is shown in position, the lines
being darker than on the rest of the drawing, H-H are the side frames, I-I the
rivets or bolts holding the parts together; K-K-K are the shaped bars
already described.
This invention provides a main fire near the top plate of the range, supported
on the horizontal portion of the bars K, and at the same time secures a hot fire
against the boiler held there by the vertical portion of the bars K.
The frame H carrying the bars K can be slided in and out, thus regulating
the thickness of fire between the boiler and the bars K, according as the house-
hold service may require. M is the plate of iron or other metal on which the
frame carrying the false grate rests, and is free to slide. This serves to retain the
fine ash which falls off the ends of the bars K, and prevents cold air being drawn
up the boiler flue when the back fire is thin.
This device is specially applicable to existing ranges. The same principle
can, with slight alterations, be applied to and form part of new ranges, when
the usual bottom grating could be dispensed with, and a fixed cast iron floor
plate be introduced, in lieu of the wrought iron loose one previously described
and marked M.
The horizontal bars and vertical bars could, if desired, be hinged at their
junction, and be pivoted at their points, and regulated by a rack, as illustrated in
Fig. 3-K1 being the horizontal portion, and K2 the vertical portion, and Othe
rack. The dotted lines show the movement.
The bars may, if desired, be made to tilt, as illustrated in Fig. 4.-K 3 being
the bars, and P and R the notched quadrant and catch for retaining the bars
in position.
The details for carrying out this invention are obviously capable of many
modifications.
Having now particularly described and ascertained the nature of my said inven-
tion, and in what manner the same is to be performed, I declare that what I
claim is
The construction of grates for kitchen ranges substantially as and for the purpose
herein described and illustrated.
בז
CT 1
1000
M. HOLROYD SMITH.