Year: 1895

page_text: ate of Application, 10th Jan., 1895-Accepted, 23rd Feb., 1895
Figure 4 is a side clevation of the flaps.
Figure 5 is a plan of these flaps.
Figures 6 and 7 represent details.
In carrying our said invention into practice we provide a burner comprising an
interior wick tube a with the support 6 for the flame deflector '; the wick e with a
wick adjusting tube d and a rack e, and two sleeves ff soldered to the tube d for
the halves of the wick divided at 9. With the rack e engages a toothed pinion e
whose shaft e² is turned by the knob e³ projecting to the outside, if it is desired to
screw the wick higher or lower.
We screw the exterior wick tube h upon a sleeve which is adapted to be moved
up and down, in a tube firmly connected with a collar m, by the aid of a rack i
soldered to the said sleeve and engaging with a toothed pinion which is secured
upon a tube surrounding the wick adjusting shaft and is turned by means of
the pointer or hand. In Figure 3 this pointer or hand is horizontal, the sleeve k
with the wick tube h then occupying the lowest position, whilst in Figures 1 and 2,
where the pointer or hand is vertical, the wick tube is in its highest position,
its upper edge being at the same height as the upper edge of the interior wick
tube a.
The rack and the two pinions e¹ and are combined in a peculiar manner.
While the rack e is of equal width throughout, the corresponding pinion e' is of
double the width; on the other hand the upper half of the rack i is twice as wide
as the lower half, and the corresponding pinion is only of the same width as the
lower half of the rack i. Owing to this arrangement, the rack e, in the highest
position of the exterior wick tube h, and therefore also of the rack i, Figure 2, may
be moved up and down at will by the pinion e¹ and knob e³, because the pinion e¹
can turn freely, as indicated in Figure 6, where for the sake of clearness the two
racks e and i with the pinions e¹ and i' are shown side by side instead of one behind
the other. If now the pointer or hand 3 is turned to the left from the vertical
position, Figures 1 and 2, to the horizontal position, Figure 3, the toothed pinion ¹

page_text: connected with the pointer or hand will lower the rack i, and shortly after the
commencement of the turning movement the upper broad part of the rack i will
engage with the toothed pinion e¹ and in the continued movement will also turn this
pinion, so that simultaneously with the rack i the rack e will move down and will
consequently draw the wick c downwards until on the completion of the turning
movement of the pointer or hand through an angle of 90 degrees to the horizontal
position the exterior tube h and the wick c have passed to the position indicated in
Figure 3. Figure 7 shows the coupling of the racks e and i. When turning back
the pointer or hand the wick c of course moves upwards with the exterior tube /
until in the highest position Figures 2 and 6 the toothed pinion e¹ is disengaged so that
the wick can be moved up and down at will independently of the exterior tube h.
Round the exterior wick tube h and within the mantle o and the gallery o¹ we
arrange a number of extinguishing flaps p, for instance five. These flaps p. shown
apart in Figures 4 and 5, are provided upon thin strips which terminate below in
a ring q. Thin steel springs s on the strips have the tendency to always force
the flaps pinwards. The ring 9 is clamped with its projecting edge or flange q¹
between the plate n of the aforesaid collar m and the lower edge of the mantle
screwed into this collar, and is kept in its place below by the said mantle and at
the top by a perforated cap p'. In the position indicated in Figures 1 and 2, the
extinguishing flaps p are forced outwards by the exterior wick tube and cannot
act; but as soon as the pointer or hand is turned to the horizontal position and
the exterior wick tube h moves downwards with the wick e the flaps are closed
above and bear tightly against the inner wick tube a, Figure 1, the closing being
so accurate that the flame will be instantly extinguished. A simple quarter of a
turn of the pointer or hand is therefore sufficient for extinguishing the flame.
For enabling the pointer or hand to be conveniently turned in the case of lamps
suspended at some distance from the ground it possesses a lateral prolongation i*,
Figure 3, for receiving a small chain or cord which need only be pulled in order to
extinguish the flame at once.
Of course it will be understood that our said invention is not only applicable to
round burners as set forth, but also to any other kind of burners.
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 :-
First. In extinguishers for lamp-burners the arrangement of a movable exterior
wick tube which, on being moved downwards together with the wick, will enable
the spring flaps p to close against the stationary interior wick tube a, substantially
as hereinbefore set forth.
Second. In extinguishers for lamp-burners the arrangement of racks i, e and
pinions, connected with a pointer or hand and knob and designed for
moving the exterior wick tube and wick c, in such a manner that the pinion el can
move the rack e on the wick tube independently of the rack i when the latter is in
its highest position, and will be operated by the upper broad part of the rack i in
the turning movement of the said pointer or hand, substantially as and for the
purpose herein before set forth.
Third. An extinguisher for lamp-burners, constructed and operating substantially
as hereinbefore set forth with reference to the accompanying drawing.
Thatod this 10th day of Law 1205
HASELTINE, LAKE & Co.,
45. Southampton Buildings, London, W.C., Agents for the Applicants.