Year: 1886

page_text: Date of Application, 4th Sept., 1886.
Complete Left, 16th May, 1887.
Complete Accepted, 17th June, 1887.
I JOSEPH HINKS of Great Hampton Street Birmingham in the County of Warwick
Lamp Manufacturer do hereby declare the nature of this Invention to be as
follows:-
-
In lamps burning light or volatile oils accidents frequently occur by the upsetting
of the lamp and the spilling and ignition of the oil. The object of my invention is to
prevent the spilling and ignition of the oil on the upsetting of the lamp.
My invention is especially applicable to lamps having two flat wicks but is also
applicable to lamps having other kinds of wicks.
I will describe my invention in connection with a lamp having two flat wicks. I
extend the wick cases downwards into the oil reservoir and I enclose the said wick
cases in a close fitting tube fixed by soldering to the underside of the carrier of the
wick holders. Upon the said fixed tube an outer sliding tube is fitted the said outer
sliding tube working so tightly on the fixed tube that it retains the position to which it
may be brought on the said fixed tube. The said outer sliding tube is closed at
bottom but has a small hole at or near its bottom.
Before putting the burner in its place on the top of the oil reservoir or container
the outer sliding tube is so adjusted on the fixed tube that when the burner is in its
place the bottom of the sliding tube nearly touches the bottom of the reservoir. The
oil in the reservoir passes through the hole at the bottom of the sliding tube into the
interior of the said tube from whence the wicks which are situated within the said
sliding tube are supplied. The oil in the reservoir can only pass to the interior of the
sliding tube through the small hole at its bottom and can only pass from the said tube
through the wicks. Hence when the lamp is upset the oil has no means of escaping
from the reservoir and sliding tube and consequently cannot be spilled and ignited.
By the construction described the upper part of the oil reservoir is isolated from the
air there is consequently no formation of explosive vapour and danger from that source
is avoided. The oil in the reservoir is also isolated so that the flame cannot under any
circumstances ignite the oil. The removal of the sliding tube from the fixed tube
gives free access to the wick chambers and the addition to lamps of my improvements
causes no obstruction in the introduction of fresh wicks.
Dated this Fourth day of September 1886.
W. T. WHITEMAN,
Agent for the Applicant,

page_text: COMPLETE SPECIFICATION.
Improvements in Lamps Burning Light or Volatile Oils.
I JOSEPH HINKS of Great Hampton Street, Birmingham in the County of Warwick,
Lamp Manufacturer do hereby declare the nature of my Invention and in what manner
the same is to be performed to be particularly described and ascertained in and by
the following statement :-
In lamps burning light or volatile oils, accidents frequently occur by the upsetting
of the lamp and the spilling and ignition of the oil. The object of my invention is to
prevent the spilling and ignition of the oil on the upsetting of the lamp.
My invention is especially applicable to lamps having two flat wicks but is also
applicable to lamps having other kinds of wicks.
I will describe my invention in connection with a lamp having two flat wicks. I
extend the wick cases downwards into the oil reservoir and I enclose the said wick
cases in a close fitting tube fixed by soldering to the underside of the carrier of the
wick holders. Upon the said fixed tube an outer sliding tube is fitted the said outer
sliding tube working so tightly on the fixed tube that it retains the position to which
it may be brought on the said fixed tube. The said outer sliding tube is either open
or closed at bottom but has a small hole at or near its bottom.
Before putting the burner in its place on the top of the oil reservoir or container,
the outer sliding tube is so adjusted on the fixed tube that when the burner is in its
place the bottom of the sliding tube touches or nearly touches the bottom of the
reservoir. The oil in the reservoir passes through the hole at the bottom of the sliding
tube into the interior of the said tube from whence the wicks which are situated
within the said sliding tube are supplied. The oil in the reservoir can only pass to the
interior of the sliding tube through the small hole at its bottom and can only pass
from the said tube through the wicks. Hence when the lamp is upset the oil has no
means of escaping from the reservoir and sliding tube and consequently cannot be
spilled and ignited.
Figure 1 of the accompanying Drawing represents in elevation (a portion being
shown broken away); Figure 2 partly in vertical section and partly in elevation and
Figure 3 in horizontal section a lamp for burning light or volatile oil containing my
improvements.
The burner represented is a duplex burner and contains two flat wicks but my
improvements may be applied to burners having single flat and other wicks.
The same letters of reference indicate the same parts in the several Figures of the
Drawing.
a is the burner of the lamp and 6 the oil reservoir or container; c, c are the extended
wick cases, the said cases projecting downwards into the oil reservoir as represented.
The said extended wick cases c, c are enclosed in the close fitting tube d which is
fixed to the underside of the carrier e of the wick holders; fis the sliding or adjustable
tube on the outside of the fixed tube d of the wick cases. The outer sliding tube f*fits
so tightly on the fixed tube d that it retains the position to which it may be brought

page_text: wick cases.
on the said fixed tube d. In order the better to exhibit the fixed and sliding tubes d, f,
the sliding tube f is shown in the drawing at a short distance from the fixed tube d
and the fixed tube at a short distance from the wick cases, but in practice the outer
sliding tubeffits closely upon the fixed tube d and the latter is fixed closely upon the
For the purpose of ensuring the tight fitting of the outer tube fupon
the inner fixed tube d, a spring or springs may be interposed between the two tubes.
The bottom end of the sliding tube is open, it may however be closed, and in the
side of the bottom end of the tube f is a small hole g through which hole g the oil in
the reservoir or container 6 passes into the interior of the said sliding tube f. In the said
sliding tube the wicks h, h of the lamp are contained, the said wicks being supplied
with oil from the said tube f.
b
In arranging the lamp for use and before putting the burner a in its place on the
top of the oil reservoir or container b, the outer sliding tube f is so adjusted on the
fixed tube d that when the burner is in its place the bottom of the sliding tube touches
the bottom of the reservoir as represented in Figures 1 and 2. When the bottom of
the sliding tube fis not closed it is necessary that its open bottom end should fit
closely on the bottom of the reservoir 6 when the burner a is in its place.
When the tube f is arranged as described the oil from the reservoir 6 can only pass
to the interior of the sliding tube fthrough the small hole g at its bottom and can only
pass from the sliding tube through the wicks which closely fill the wick cases c c.
The removal of the sliding tube f from the fixed tube d gives free access to the wick
cases c, c and the addition to the lamp of my improvements causes no obstruction in
the introduction of fresh wicks.
By the construction and arrangement of parts described and represented, the oi!
has no means of escape from the reservoir bor sliding tube when the lamp is upset
and the oil cannot consequently be spilled and ignited.
By the construction described and represented the upper part of the oil reservoir is
isolated from the air, there is consequently no formation of explosive vapour and
danger from that source is avoided. The oil in the reservoir is also isolated so that
the flame cannot under any circumstances ignite the oil.
•
claim as my
Having now particularly described and ascertained the nature of my invention and
the manner in which the same is to be performed I declare that
invention:-
The improvements in lamps burning light or volatile oils herein before described
and illustrated in the accompanying Drawing; that is to say, isolating the upper part
of the oil reservoir from the air and the oil in the oil reservoir from the flame by
extending the wick cases downwards into the oil reservoir or container and enclosing the
extended wick cases in a close fitting fixed tube and the combination with the encased
and extended wick cases of a sliding or adjustable tube working closely upon the
fixed wick tube and resting closely upon the bottom of the oil reservoir or container,
whereby the spilling and ignition of the oil on the upsetting of the lamp is prevented
and the advantages herein before pointed out are obtained substantially as described
and illustrated.
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