Improved Pocket Lamp with Automatic Igniting Apparatus.
Year: 1890

page_text: COMPLETE SPECIFICATION.
[Communicated from abroad by GEORGINA NEWTON, of No. 6, Avenue du Bois
de Boulogne, Paris, France, Gentlewoman.]
Improved Pocket Lamp with Automatic Igniting Apparatus.
I, CHARLES DENTON ABEL of No. 28 Southampton Buildings, Chancery Lane, in
the County of London, Consulting Engineer and Patent Agent, 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 an improved construction of apparatus in which are
combined in a compact form, a lamp and means for automatically igniting the
same. For this purpose, a cylindrical casing, closed at top by a spring cover,:
contains within it a closed cylindrical receptacle having at its upper end a small
wick tube containing a wick, and closed at its lower end by a screwed cap the rim of
which is made to project beyond the cylindrical casing so as to enable it to be
readily turned by means of the fingers. The cylindrical lamp vessel is filled with a
suitable porous material such as cotton wool, which is saturated from time to time
with paraffin on unscrewing the bottom, and the said lamp vessel is so arranged that:
on turning the bottom cap in the contrary direction to that in which it unscrews, it
will cause the lamp vessel to revolve in the casing. At one side of the latter a flat
channel is formed on the outside and through the open lower end of the passage is
inserted a strip of cardboard or stiff paper on one face of which are deposited small
quantities or dots of combustible compound such as is used for matches or fusees,
situated at equal distances apart. At the upper end of the said passage, the side
next the rotatable lamp vessel is cut away and the strip or fusee is pressed
against the upper end of the lamp vessel by a spring. On such upper end of the
lamp vessel is formed a projecting screw thread, and the fusee is pressed against
this thread by a spring in such a manner that the thread bears against the spaces
between the dots of match compound, so that, on rotating the lamp vessel, the screw
thread thereof gradually raises the fusee and thus presents the dots of material
thereof successively above the top of the lamp. On the top of the latter is fixed a
piece of wire or strip of metal which, at each rotation of the lamp vessel has its
projecting end brought sharply against one of the dots of material, and thus cause
its ignition, whereupon the resulting flame ignites the wick of the lamp.
The accompanying drawing shews the construction of the above described apparatus;
Fig. 1 shews a vertical section, Fig. 2 a plan, Fig. 3 a view of the rotatable lamp
vessel detached, Fig. 4 shews a view of the fusee.
The lamp vessel a is closed at bottom by the screwed cap b and is filled with
cotton wool or other porous material saturated by preference with a volatile oil, which
is taken up by the wick tube c. Its upper end is slightly enlarged in diameter, and
has on its outer surface a screw thread a².
b
This lamp vessel, the cap 6 having been removed, is introduced through the upper
end of the casing d into the position shewn at Fig. 1, in which it is secured by
screwing on the cap b. The casing is enlarged at d¹ so as to form between it
and the lamp vessel a narrow passage for the reception of the fusee e which is
inserted at the lower end, the cap 6 being cut away at one point to allow of this.
The casing is cut away at the upper part facing the fusee, and is there replaced by
a flat spring which presses the fusee e against the screw thread of the lamp.
b
This thread is so proportioned relatively to the dots of match material on the
fusee, that as it is revolved with the lamp, it takes into the spaces between the
dots, and thus in pushing upward against the undersides of these, forces the fusee
upward.

page_text: On the top of the lamp is secured a piece of wire g, the end of which is bent
so as to project slightly beyond the lamp, and consequently in rotating the latter,
causes it to be brought sharply against one of the dots of match material, which, in
being thus ignited, lights the lamp. This is closed by a spring cover when not
in use.
Having now particularly described and ascertained the nature of this inven-
tion and in what manner the same is to be performed; I declare that what I
claim is :
1. A lamp with self acting igniting apparatus, wherein a lamp vessel, rotatable
within a casing, is provided with a projecting screw thread, which is made by the
rotation of the lamp vessel to: effect the raising of a fusee to the level of the wick
while at the same time a sharp projection on the lamp vessel is made to strike the
fusee, so as to ignite it and thereby effect the ignition of the lamp, substantially as
herein described..
2. In a lamp with self acting igniting apparatus; a lamp vessel a closed at bottom
with.. a screw cap b, and provided at its upper end with a wick tube c, a screw
threadra, adapted for raising (a fusee; and a sharp projection g for effecting the ignition
of the fusee, substantially as herein described.
3: In a lamp with self acting igniting apparatus; the combination of a lamp vessel a
rotatable within a casing d, a passage in the casing d' adapted for the reception of a
fusee, a screw thread a' on the lamp vessel adapted to raise the fusee by its rotation,
and a wire or sharp projection g adapted to ignite the fusee when brought'in contact
therewith; substantially as herein described:
Dated this 13th day of
ABEL & IMRAY,
Agents for the Applicant.