Improvements in Oil Stoves used for Heating and Cooking, with a view to Facilitate Lighting the same.
Year: 1894

page_text: Date of Application, 20th Nov., 1834
Complete Specification Left, 30th July, 1895-Accepted, 31st Aug.,
1895
PROVISIONAL SPECIFICATION.
Improvements in Oil Stoves used for Heating and Cooking, with
a view to Facilitate Lighting the same.
We, JOHN HARPER AND COMPany, Limited, of Albion Works, Willenhall
in the County of Stafford, Ironfounders and Manufacturers, and CHARLES
RETALLACK, Manager to the said Company, do hereby declare the nature of this
invention to be as follows:-
--
This invention relates to oil stoves used for heating and cooking which have
each a chimney (frequently termed a "drum ") inside a surrounding envelope which
forms a casing thereto; and has for its object an improved method of mounting or
attaching the envelope upon or to the part which is immediately below it, and of
carrying or supporting the chimney within such envelope, so that such envelope
and chimney may together be readily moved clear, or sufficiently clear, of the
burner to allow of the stove being lighted, thus avoiding the necessity usually
experienced with such stoves of having to lift up the chimney within the envelope
for such purpose. The invention is specially applicable to stoves formed with a
gallery carried by supports from the base within which the oil reservoir rests and
upon which gallery the envelope is carried, as described in our Provisional
Specification No. 14,305 of 1894; but is applicable generally to stoves in which
an envelope surrounds an internal chimney.
According to this invention, the envelope is hinged to a gallery (or portion of
the framing) which supports it (such as the gallery which stands up from the base
of the stove described in our aforesaid Specification), so that it may be readily
so that
turned back, and is provided with a suitable fastening opposite to the hinge
it may be firmly secured when closed down. The chimney is fixed inside the
envelope, and is thus turned up therewith as the latter is turned back on its hinge;
and thus when the stove is to be lighted the envelope is simply unfastened and
turned back, carrying the chimney back with it, whereby the burner is exposed.
The fastening for the envelope may consist of a bridle-piece hinged to a lug pro-
jecting outwards from the lower part of the envelope, and having a pin screwed
ihrough its outer or closed end, and of a lug projecting from the gallery or other
part which supports the envelope, under which the closed end of the bridle-piece is
passed and the pin screwed tightly up against it to fasten the envelope.
A convenient method adopted, according to this invention, for fixing the chimney
within the envelope, consists in fixing around the upper part of the chimney a
stiffening band, which may be of cast iron having ears thereon projecting above
the top of the chimney, and passing bolts through the wall of the envelope and
through the ears and then tightening up nuts on the ends of the bolts.
In order to admit of the ready adjustment, as to height, of the chimney within
the envelope, it is preferred to form the openings through the ears, for the bolts,
slotted. The chimney may thus be readily adjusted as to height, and it is preferred
to fix it at such height within the envelope that its bottom wall just presses upon
the disc or plate which surrounds the burner, and thus prevents air passing between
itself and such disc or plate, thereby ensuring that all the air for combustion shall
pass up through the proper passage-way.
The bolts used to fix the chimney within the envelope may form the screwed
shanks of the handles by which the stove is carried, or may be utilized in fixing
such handles, and the holes through which they pass in the ears may be open

page_text: through the top of the ears to enable the envelope to be separated from the
chimney when the nuts on the ends of the bolts have been simply slackened, thus
avoiding the necessity for removing the bolts from the envelope.
Lugs or distance-pieces are made to project inside the envelope to prevent the
bottom edge of the chimney moving out of its central position in a direction towards
the hinged side of the envelope and thus tending to catch upon the upwardly pro-
jecting rim of the disc or plate which surrounds the burner.
Dated this 19th dor of November 1004
STEPHEN WATKINS,
Wolverhampton, Agent for the Applicants.
Improvements in Oil Stoves used for Heating and Cooking, with
a view to Facilitate Lighting the same.
We, JOHN HARPER AND COMPANY, LIMITED, of Albion Works, Willenhall
in the County of Stafford, Ironfounders and Manufacturers, and CHARLES
RETALLACK, Manager to the said Company, 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:-
This invention relates to oil stoves used for heating and cooking which have each
a chimney (frequently termed a "drum") inside a surrounding envelope which
forms a casing thereto; and has for its object an improved method of mounting or
attaching the envelope upon or to the part which is immediately below it, and of
carrying or supporting the chimney within such envelope, so that such envelope
and chimney may together be readily moved clear, or sufficiently clear, of the
burner to allow of the stove being lighted; thus avoiding the necessity usually
experienced with such stoves of having to lift up the chimney within the envelope
for such purpose. The invention is specially applicable to stoves formed with a
gallery carried by supports from the base within which the oil reservoir rests and
upon which gallery the envelope is carried, as described in our Patent Specification
No. 14,305 of 1894; but is applicable generally to stoves in which an envelope
surrounds an internal chimney.
According to this invention, the envelope is hinged to a gallery (or portion of
the framing) which supports it (such as the gallery which stands up from the base
of the stove described in our aforesaid Specification), so that it may be readily
turned back, and is provided with a suitable fastening so that it may be firmly
secured when closed down. The chimney is fixed inside the envelope, and is thus
turned back therewith as the latter is turned back on its hinge; and thus when the
stove is to be lighted the envelope is simply unfastened and turned back, carrying
the chimney back with it, whereby the burner is exposed.
A convenient method of carrying out the above described invention in practice
is illustrated by the drawings herewith, of which Figure 1 is a vertical section
through an oil stove with the invention applied thereto, the position of the envelope
when turned right back on its hinge being indicated in outside view by broken lines.
Figure 2 is a vertical section through the upper portion of the envelope and the
upper portion of the chimney, taken at right angles to the section shewn by
Figure 1 and Figure 3 is a plan of the stove with the envelope and chimney
turned back clear of the burner, but for the sake of clearness of illustration the
chimney is shewn as if it were turned back with its longitudinal axis parallel with
the axis of the burner. The chimney cannot of course be turned back into such
position in practice, when the stove is standing upon the floor, unless the height of
the gallery upon which it rests when closed up is sufficient to admit thereof.
The envelope or outer case E is hinged at a to the portion of the framing which

page_text: supports it, that is to say, in the illustration, to the gallery D which is supported
by short pillars e from the base or stand A, which correspond with the respective
parts described in our aforesaid Specification No. 14,305 of 1894. When the
envelope is in its ordinary position, as shewn by full lines Figure 1, it is fastened
down to the portion of the framing upon which it rests by means of any suitable
fastening. This consists, as shewn in the illustration, of a bridle-piece 6 hinged
to a lug f projecting ontwards from the lower part of the envelope on the
opposite side thereof to that at which the envelope is hinged to the gallery D.
and of a pin d, screwed through the outer or closed end of the bridle-piece,
which to fasten the envelope is screwed tightly up against a lug e projecting
from the gallery D.
The chimney F is shewn in the illustrations to be fixed within the envelope E
by means of a stiffening band g which is fixed around the upper part of the
chimney. This band may be of cast iron, and is formed with ears h projecting
above the top of the chimney through which and through the wall of the envelope E
bolts are passed and tightened up, thus securely fixing the chimney within the
envelope. In order to admit of the ready adjustment, as to height, of the chimney
within the envelope, it is preferred to form the openings through the ears h for
the bolts slotted, as shewn. The chimney may thus he readily adjusted as to
height, and it is preferred to fix it at such height within the envelope that its
lower edge just presses upon the disc or plate k which surrounds the burner, and
thus prevents air passing between itself and such disc or plate, thereby ensuring
that all the air for combustion shall pass up through the proper passage-way.
The lower portion of the chimney is shewn in the illustration to consist of a band r
which supports the lower edges of the glass divisions s of the chimney. The
construction of the chimney, however, apart from its method of fixture within the
envelope, forms no feature of this invention.
The bolts i used to fix the chimney within the envelope may form the screwed
shanks of the handles (as shewn by Figure 2) by which the stove is carried, or
may be utilized in fixing such handles; and the holes through which they pass in
the ears may be open through the tops of the ears, as shewn, to enable the
envelope to be separated from the chimney when the nuts of the bolts i have
been simply slackened, thus avoiding the necessity for removing the bolts from
the envelope for such purpose. It is preferred to interpose washers n between the
nuts
and the ears h, as shewn.
Lugs or distance-pieces p are made to project inside the lower end of the
envelope, as shewn, to prevent the bottom of the chimney moving out of its central
position in a direction towards the hinged side of the envelope aud thus tending to
catch upon the upwardly projecting rim q which surrounds the disc or plate k
upon which the lower edge of the chimney is, preferably, made to press as above
described. The lug p is shewn by Figure 1 as in section, for convenience of
illustration. From its position, however, as seen on plan, it does not properly shew
as a section in Figure 1.
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. An oil stove used for heating or cooking, constructed with the envelope
hinged to the part by which it is supported so that it may be turned back in
relation thereto, substantially as described.
2. An oil stove used for heating or cooking, constructed with the envelope
hinged to the part by which it is supported so that it can be turned back in relation
thereto, and having the chimney fixed within the envelope so that it is turned back
together with such envelope, substantially as described.
3. An oil stove used for heating or cooking, constructed with the envelope
binged to the part by which it is supported so that it can be turned back in relation
thereto, and having the chimney fixed within the envelope so that it is turned back

page_text: together with such envelope, the means of fixing the chimney within the envelope
enabling the height of the chimney to be readily adjusted, substantially as described.
4. An oil stove used for heating or cooking, constructed with an envelope and
chimney which are hinged to the part of the stove by which they are supported in
order that they may be turned back in relation thereto, substantially as described
and shewn by the drawings herewith.
Dated this 29th day of July 1805
STEPHEN WATKINS,
Wolverhampton, Agent for the Applicants.