Year: 1897

page_text: This Print is in accordance with the Original Specification as it stands after
Amendment (under Section 11 of the Patents, &c. Act, 1883) as required by
the decision of the Comptroller General of the 27th day of January 1899.
We, JETHRO JAMES COOKE, Fitter, and GEORGE COOLEY, Fitter, both of 709ª, Old
Kent Road, in the County of Surrey, do hereby declare the nature of this invention
to be as follows:-
The object of this invention is to simplify and otherwise improve the construction
of gas cooking stoves, and the invention consists in making a loose lining to the stove,
so that it can be readily removed for repair, cleaning, or otherwise, and replaced ;-
in arranging the burners so that they may be more readily adjusted, and cleaned than
heretofore; and in the construction of the griller, whereby greater efficiency is
obtained.
In carrying out this invention, the body is cast in the usual way or otherwise
produced and its walls are provided internally with spacing pieces.
The top, two sides, and back, are separate plates, the sides and back being placed
in position, after the top has been inserted. The top is arranged to slide on ledges,
and by its movement, under the influence of suitably placed buttons, corner bars
which hold the back and sides in position are clamped, a rectangular frame retaining
the bottom edges of the plates.
The burners consists of lengths of tubes which are inserted through holes in the
front, and rest on suitable ledges at the back. Into these tubes project nozzles from
a gas supply pipe, which is hinged at the side, and lies across the mouths of the
burner tubes, which are notched to receive suitable clips for holding it in position.
The burners for the hot plate, of which there are two, (a large one and a small
one), are ring burners carried by pipes, into which gas nozzles project. The pipes
and burners are carried by suitable brackets, and are secured in position to a fixed,
cross-bar by one pin or screw.
The burners for the griller consist of two straight pipes, which are supplied with
gas from nozzles, as before. It may be here remarked, that all the burners are of
the Bunsen type.
The pipes are provided with racks, into which take pinions on a cross shaft
operated by a handle in the front, and the pipes are so mounted that they may
receive endway motion.
The deflector consists of two pieces of fire-clay or other refractory material, which
are, in effect, corrugated, so that by moving the burners longitudinally, the flame's
may pass above or below the deflector, as required.

page_text: The pieces are supported in a suitable frame, which is carried by brackets from the
underside of the hot plate, or in any other convenient manner.
Dated this 9th day of October 1897.
NEWTON & SON,
Agents for the Applicants.
We, JETRRO JAMES COOKE, Fitter, and GEORGE COOLEY, Fitter, both of 709,
Old Kent Road, in the County of Surrey, 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 simplify and otherwise improve the construction
of gas cooking stoves, and the invention consists in various details of construction
whereby this object is attained.
In the accompanying drawings:-
Fig. 1 is a sectional elevation on the line 1-2 of Fig. 2, and
Fig. 2 is a sectional elevation on the line 3-4 of Fig. 1.
Fig. 3 is a top plan view, and
Fig. 3 is a plan view of the griller detached.
Fig. 4 is a partial side elevation.
A is the body, which is cast in the usual way, or otherwise produced, and its walls
are provided internally with spacing pieces A¹, ledges A*, A1, A2, A2*, and bearing
sockets or pieces.A³. To the top of the body is secured a pair of brackets B, carrying
what is termed the hot plate B', in which are arranged the burners for boiling, and
the griller C, as will be hereafter referred to.
The lining consists of a series of separate plates forming the top D, the back D¹,
and the two sides D². When putting in the lining, the top D is first placed in
position with its front edge resting on ledge A, and the hack held up by the hand
against the ledge A*, until the back D¹ is inserted, with its bottom edge resting on
its ledge A*. The sides are next put into position with the bottom edges resting on
the ledge A2*, and the top edges against downwardly projecting flanges of the
top....
The
To retain the sides and back in position, a rectangular frame E is employed.
front ends of this frame are inserted under a ledge A¹*, and the back is pushed down
on to the ledge A2*, thus driving the plates at the bottom outwards against the
spacing pieces A¹.
On the top face of the frame E, square blocks or projections E, are formned, and
behind these blocks, angle iron uprights or bars E2 are placed.
At the top, these bars are cut away on one side, to provide a flat portion, which
will enter notches cut out of the rear corners of the top D, and will be clamped by
the top when it is pushed back into its proper position, and secured by the buttons D*
or other fastening.
In this way, a space is left all round behind the lining, into which the hot air and
products of combustion can pass through the opening D2*, in which space the gases
can.circulate before passing to the chimney X, which is placed on the opposite side
of the body A.
Loss of heat is thus avoided, and the cooking capabilities of the stove are
much improved. D³ is the door, which is of the usual construction, with a fixed
lining.
Frepresents oven burners of the Bunsen type. These burners consist of lengths

page_text: of perforated tube, the inner ends of which rest on the bearing sockets A³, while the
outer ends pass through suitably sized holes made in the front of the body to receive
them. The outer ends are provided with notched sockets F, into which the swinging
gas supply pipe F2 enters.
This pipe is clamped conveniently at its free end, and thus serves to hold the
burners in position. The pipe F is supplied with small gas nozzles which enter the
open ends of the burner tubes, F, and by unclainping this pipe F" and swinging it on one
side, the burner tubes F may be readily withdrawn for cleaning or renewal purposes
when necessary.
The hot plate B¹ is recessed to receive a grating (not shown), below which the
griller C and the boiling burners are placed.
Gis a cross bar which is fixed to the hot plate B¹.
This cross bar has cast with it
or fitted to it a gutter or grooved plate G¹, and has two holes to support one end of
the burners.
H Hare Bunsen burners, each of which consists of a length of perforated tube
supported at the outer end by a lug on the bracket B, and at the other end by a
pin H¹, which cuters one of the holes in the cross bar G.
Into the mouths of the burners H H project gas nozzles H2, carried by the gas
pipe J.
To the burners H H, axial motion in opposite directions is communicated by means
of rock arms N on the burners H, connected by links N¹ to a double lever 0, which is
operated by the rod P, or other convenient means, for a purpose to be presently
explained.
The griller C, which may also be called a deflector, because it deflects the heat of
the flames from the two burners H H downwards onto the food to be grilled, which
is placed on the top of the oven, consists of two pieces of fire-clay or other refractory
material, each having on the underside a series of grooves, and at the outer edge EL
series of long notches, the bottoms of which are inclined upwards. These two pieces
are set at a slight angle upwards towards the meeting edges in a frame C¹ which is
carried at one end by the fixed cross bar G and at the other end by brackets C²
from the under side of the hot plate or in any other convenient manner.
It may be here remarked that no claim is made for this frame per se supported
as set forth.
As shown in the drawing, the burners H H are in such position that the gas jets
will pass above the deflector, and can be used for boiling, but when it is desired to
grill, the burners are moved axially a quarter turn, so that the gas jets will be directed
below the deflector, which then acts as a griller, as, becoming red hot by the action
of the flames, it deflects the heat onto the food, which is thereby grilled.
The burners for the hot plate, which are two, a large one K, and a small one L, are
each connected to a length of pipe K, L, into which gas nozzles project from the
pipe J.
These pieces of pipe are supported in holes in the bracket B, and the burner K is
formed with a lug or projection K2, which rests upon a similar lug or projection L²,
cast on the side of the pipe L¹. On the pipe K is a lug or projection K³, which,
when the burner is in position, rests against the edge of the recess in the hot plate
B, and thus the position of the pipe K¹, with respect to its gas nozzle, is fixed
exactly.
On the underside of the burner L is formed a lug or projection, which is attached
by a small bolt and nut to the crossbar G, and thus the whole of the burners of the
hot plate are secured together, and to the hot plate. By taking out this small
bolt, all the burners can be removed for cleaning or renewal purposes.
Having now particularly described and ascertained the nature of our said inven-
tion and in what manner the same is to be performed we declare that what we
claim is
1. Constructing the body of a gas cooking oven as herein shown and described,

page_text: whereby the lining may be readily detached and replaced without employing skilled
labour, as set forth.
2. The arrangement of gas burners as herein shown and described, whereby the
parts may be readily detached and replaced for cleaning or renewal, as set forth.
3. The arrangement of griller having grooves on the underside, notches in the
outer edges, and an inclined under surface, as herein shown and described, and for the
purpose set forth.
4. A gas cooking stove constructed, arranged, and operating as herein shown and
described.