Improvements in Extinguishers for Argand Oil Burners.
Year: 1894

page_text: Date of Application, 20th Mar., 1894
Complete Specification Left. 18th Dec., 1894-Accepted, 19th Jan., 1895.
PROVISIONAL SPECIFICATION.
Improvements in Extinguishers for Argand Oil Burners.
CHARLES HARMER 29 Danbury Street Islington N. Tin Ware Manufacturer
do hereby declare the nature of this invention to be as follows:-
My improvement consists of raising a tube in the central air passage so that
the clips on the outer wick tube may close tight against the said inner tube thus
forming a perfect closure above the wick.
The manner in which the same is to be performed will be seen by the
accompanying sheet of drawings.
Fig. 1 represents the burner open for lighting.
A represents the tube & spreader combined.
B the spring clips.
C the uprights which are combined with the spring clips B so that when the
clips B & uprights C are raised with a lever the uprights C pierces the flame &
lifts the spreader & tube combined.
Fig. 2 represents the extinguisher closed.
Dh00
2
..
1 100
Improvements in Extinguishers for Argand Oil Burners.
I, CHARLES HARMER of 29 Danbury Street, Islington, N., Tin Ware
Manufacturer, do hereby declare the nature of the said 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 has reference to extinguishers for Argand oil burners.
Hitherto some difficulty has been experienced in effectually extinguishing the
burners of Argand oil lamps, which receive their central draught from the bottom
of the reservoir arising chiefly from the fact that in these lamps the extinguishing
has usually been effected from the outer side of the wick only, and consequently
air has been accessible to the inner side of the flame through the central air
passage.
By this invention I am enabled to bring the extinguishing device to bear at
both the inside and outside of the burner of such a lamp.
According to my invention I employ a tube in the central air passage of the
lamp so arranged that it is raised as hereinafter described during the upward and
inward movement of the extinguishing clips on the outer side of the wick, and
these clips are therefore enabled to close tight against the inner tube, thus forming
a perfect closure above the wick.
To enable the invention to be fully understood I will describe the same with
reference to the accompanying drawings:-
Figure 1 shows in elevation an Argand lamp provided with the extinguishing
device constructed according to my invention, the extinguisher being in its lowest
position, namely the position which it occupies when the lamp is alight.
ID

page_text: Figure 2 is a vertical section of the same, but showing the extinguisher in its
highest position namely when it has extinguished the flame.
Figure 3 is a plan, the extinguisher being in its highest position, but with the
spreader removed.
a indicates the wick tube of the burner, and 6 the wick; c is a ring capable of
moving up and down the outside of the wick tube and provided with clips or
spring flaps d to close inwards as hereinafter mentioned. Eight flaps d are shown
in the drawings but this number may be varied. e is a lever formed at its inner
end as a fork engaging with pins g on lugs c¹ depending from the ring c in such
a manner that when the lever is depressed from the position shewn in Figure 1, to
that shewn in Figure 2, the said tube c and clips will be elevated in order to
extinguish the flame. The upper edges of the clips when raised to extinguish the
flame form a complete circle and preferably somewhat overlap each other.
In the air passage h, I provide a tube which while the lamp is burning is
below the top of the wick and which moves upwards during the upward and
inward movement of the clips or spring flaps .
This upward movement of the inner tube is effected in the following manner.
Above the flame is the spreader m rigidly connected by means of a rod n with the
tube . The outer ring c which carries the clips d is provided with two or more
uprights or arms p (three are shown in the figures) which when the lamp is
burning preferably lie below the flame as shown in Figure 1. When the lever e is
depressed the outer ring c is elevated and the uprights p which rise with this ring
and with the clips pass through the flame and come in contact with the spreader m,
thus raising the spreader together with the inner tube !.
The inner tube 7 is by this movement raised above the level of the level of the
wick as shown in Figure 2 and when the clips or spring flaps d close inwards
across the wick they impinge tightly against the inner tube, as seen in this figure
thus forming a perfect closure above the wick and extinguishing the flame.
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-
1. In extinguishers for the burners of Argand oil lamps which have a series of
clips or spring flaps outside the wick tube that can be made to rise, and pass over
the wick for the purpose of extinguishing the flame, the combination of a tube
situated in the central air passage and attached to the spreader, and of uprights or
projections that rise with the clips, so arranged that during the upward and
inward movement of the clips the uprights or projections come against and lift
the spreader and thus raise the tube in the central air passage whereby the clips
when they pass over the wick impinge against the central tube and by the perfect
closure thus effected extinguish the Hame, substantially as hereinbefore described.
2. A lamp extinguisher, substantially as herein before described and illustrated
in the accompanying drawings.
Dated this 18th day of December 1894.
J. C. MEW BURN & ELLIS,
55 and 56, Chancery Lane, London, Patent Agents.