improvements in Kitchen Ranges.
Year: 1886

page_text: improvements in Kitchen Ranges.
We, ROBERT HUNTER of the firm of Walker, Hunter & Co. Port Downie Iron
Works, Falkirk, Stirlingshire, Iron Founder and JOHN TURNBULL, Foreman
Patternmaker at Port Downie Iron Works aforesaid, do hereby declare the nature
of this invention to be as follows:-
Our invention relates to the class of kitchen ranges known as the Simplex
convertible or open and close fire range, in which a box-like flue, for carrying off
the products of combustion from the open fire, is formed by folding down upon
the back part of the hot plate a cover plate pivotted at the junction of the covering
and hot plate and serving to close or cover the flue opening in the covering when
the range is used as a close fire range, said cover plate being formed with side ribs
or flanges which form the sides of the movable box flue, while the top of the flue
is formed by placing the fire cover upon said ribs or flanges.
In order that the hot flame and fire gases passing through the movable box flue
in the open fire arrangement may be directed against cooking utensils inserted we
under our present invention cast or otherwise form the cover plate, forming the
bottom of the flue, with a raised portion inclining upwards towards the back of the
flue and extending across its full breadth, the position of said raised part being by
preference somewhat farther back than the centre of the lifting rings in the fire
cover forming the cover of the flue so that culinary utensils may be freely inserted
therein without coming in contact with the raised part and that the fire gases may
be deflected upwards thereby to impinge upon said utensils.
The side ribs or flanges of the flue which project forward beyond the cover plate
ordinarily extend over the open fire being kept within the breadth of the fire in
order that the fire cover may rest on them when forming the top of the flue, are
by a further improvement slightly flared or bent outwards at the ends so that they
rest on the hob at the sides of the fire opening. The vertical slots formed in the
cove plates for the reception of these side ribs or flanges when the flue is tilted up
and closed are suitably shaped to admit the flaring ends and on each side of each
Pine Rd71

page_text: slot an inwardly projecting flange is formed at the back of the cove plates to
prevent contact of the ribs with the masonry of the chimney.
We carry the side ribs and bottom of the movable flue a short way into the flue
opening in the covings, and upon the lower part of the side ribs of the flue we form
pivot pins which bear against the back of the cove plates. A cheek is cut in the
flanges at the bottom of the side ribs to permit of tilting the flue upon the pivot
pins, and the rear or lower end of the flue bottom or cover plate has a solid bearing
on the hob when the flue is tilted up. A cheek is formed in the flue opening in
the covings to retain the fire cover in position when placed over the movable flue
and to prevent it from entering the chimney flue.

page_text: Improvements in Kitchen Ranges.
We, ROBERT HUNTER, of the firm of Walker Hunter & Co. Port Downie Iron
Works, Falkirk, Stirlingshire, Ironfounder, and JOHN TURNBULL, Foreman
Patternmaker at Port Downie Iron Works, aforesaid, do hereby declare the nature
of this invention and in what manner the same is to be performed, to be parti-
cularly described and ascertained in and by the following statement:-
"
Our invention relates to the class of kitchen ranges known as the "Simplex
Convertible or open and close fire range, in which a box like flue, for carrying off
the products of combustion from the open fire, is formed by folding down upon the
back part of the hot plate, a cover plate pivotted at the junction of the coving and
hot plate and serving to close or cover the flue opening in the coving when the
range is used as a close fire range, said cover plate being formed with side ribs or
flanges which form the sides of the movable box flue, while the top of the flue is
formed by placing the fire cover upon said ribs or flanges.
In the accompanying drawings figures 1 and 2, sheet 1, illustrate a kitchen range
as fitted with the improved movable box flue, figure 1 showing the open fire and
figure 2 the close fire arrangement; figures 3, 4, sheet 2, are transverse vertical
sections showing the hot plate of the range with the box flue in the closed and
open position respectively, whilst figure 5 is an inverted plan and figure 6 a plan
of the box flue alone.
In order that the hot flame and fire gases passing through the movable box flue
in the open fire arrangement may be directed against cooking utensils inserted
therein, we under our present invention cast or otherwise form the cover plate A,
forming the bottom of the flue, with a raised portion a, inclining upwards towards
the back of the flue and extending across its full breadth, the position of said
raised part being by preference somewhat farther back than the centre of the
lifting rings b in the fire cover B, forming the cover of the flue so that culinary
utensils may be freely inserted therein, as indicated by the dotted lines in figure 4,
without coming in contact with the raised part a and that the fire gases may be
deflected upwards thereby to impinge upon said utensils.
The side ribs or flanges a¹ of the flue which project forward beyond the cover
plate A, and ordinarily extend over the open fire, being kept within the breadth
of the tire in order that the fire cover may rest on them when forming the top of
the flue, are by a further improvement slightly flared or bent outwards at the ends,
at a, so that they rest on the hob C, at the sides of the tire opening D. The
vertical slots e formed in the cove plates E, for the reception of these sido ribs or
flanges a when the flue is tilted up and closed are suitably shaped to admit the
Hlaring ends and on each side of each slot an inwardly projecting flange or box F,
is formed or fixed at the back of the cove plates to prevent contact of the ribs with
the masonry of the chimney.
We carry the side ribs a¹ and bottom plate A of the movable flue a short way
into the flue opening G, in the covings, and upon the lower part of the side ribs
of the flue we form pivot pins a³ which bear against the back of the cove plates.

page_text: A cheek a' is cut in the flanges A' at the bottom of the side ribs a¹ to permit of
tilting the flue upon the pivot pins a³ and the rear or lower end of the flue bottom
or cover plate at A2, has a solid bearing on the hob when the flue is tilted up.
A cheek e¹ is formed at the flue opening in the covings to retain the fire cover in
position when placed over the movable. flue and to prevent it from entering the
chimney flue.
Having now particularly described and ascertained the nature of our said
invention, and in what manner the same is to be performed we declare that what
we claim is:-
In a convertible kitchen range a movable box flue constructed substantially as
described with reference to the annexed drawings.