IMPROVEMENTS IN LAMPS FOR BURNING PARAFFIN OIL AND OTHER VOLATILE LIQUID HYDROCARBONS.
Year: 1874

page_text: LETTERS PATENT to James Hinks and Joseph Hinks, both of Bir-
mingham, in the County of Warwick, Manufacturers, for the
Invention of "IMPROVEMENTS IN LAMPS FOR BURNING PARAFFIN OIL AND
OTHER VOLATILE LIQUID HYDROCARBONS.
"
Sealed the 18th September 1874, and dated the 31st March 1874.
PROVISIONAL SPECIFICATION left by the said James Hinks and
Joseph Hinks at the Office of the Commissioners of Patents, with
their Petition, on the 31st March 1874.
We, JAMES HINKS and JOSEPH HINKS, both of Birmingham, in the
County of Warwick, Manufacturers, do hereby declare the nature of the
said Invention for "IMPROVEMENTS IN LAMPS FOR BURNING PARAFFIN OIL AND
OTHER VOLATILE LIQUID HYDROCARBONS," to be as follows:-
. Our Invention consists of the improvements herein-after described in
connecting the burner with and disconnecting it from the vase or oil
reservoir of the said lamps, and also of the improvements herein-after
described in isolating the burner from the said vase or oil reservoir, for
the purpose of keeping the latter cool.

page_text: Our improvements in connecting the burner with and disconnecting
it from the vase or oil reservoir are as follows:-We fix on the outside
of the metallic collar or mount fixed on the summit and around the
mouth of the vase or oil reservoir two inclined pins or projections, the
said pins or projections being situated at opposite points on the said
collar or mount.. The lower end of each of the inclined pins or pro-
jections is bent at right angles and constitutes a stop. We also make
on opposite points of the edge of the flange near the bottom of the
burner a hook or loop, the shape and positions of the said hooks or loops
being such that they can be made to engage under the inclined pins or
projections on the collar or mount of the vase or oil reservoir. In
connecting the burner with the vase or oil reservoir the said burner is so
placed on the collar of the vase that its hooks or loops are without tho
range of the free or highest ends of the inclined pins or projections on
the collar. By then turning the burner through a small angle in the
direction of the stops on the inclined pins the hooks or loops on the
burner engage under the inclined pins on the collar or mount, and by a
wedging action the burner is drawn into close contact with and securely-
fixed to the collar of the vase or oil reservoir. By turning the burner
in a direction contrary to that described the hooks or loops are removed
from under the inclined pins, and the burner is released and may be
removed from the vase or oil reservoir.
For the purpose of isolating the burner from the vase or oil reservoir
for keeping the said vase cool we place and fix on the under side of the
flange near the bottom of the burner a ring of cork, wood, papier mâché,
ór other imperfect conductor of heat.
When the burner is fastened in the manner before described to the
collar or mount on the vase or oil reservoir the said ring of cork is
pressed firmly against the top of the said collar or mount, and the
metallic continuity between the burner and the vase is broken, and the
said burner thereby isolated from the vase, and the latter kept cool.
For still further isolating the burner from the vase we line the inner
tubular part of the metallic collar or mount on the vase with a ring or
fillet of cork or other imperfect conductor of heat. When the burner is
fixed in its place on the vase the lower part of the burner enters the
metallic collar and bears against the ring or lining of cork in the said

page_text: metallic collar. The isolation of the burner from the vase is thereby
effected at all parts where it comes in contact with the collar or mount
on the vase or oil reservoir.
SPECIFICATION in pursuance of the conditions of the Letters Patent,
filed by the said James Hinks and Joseph Hinks in the Great Seal
Patent Office on the 22nd September 1874.
TO ALL TO WHOM THESE PRESENTS SHALL COME, wc, JAMES
HINKS and JOSEPH HINKS, both of Birmingham, in the County of
Warwick, Manufacturers, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her
Letters Patent, bearing date the Thirty-first day of March, in the year
of our Lord One thousand eight hundred and seventy-four, in the thirty-
seventh year of Her reign, did, for Herself, Her heirs and successors;
give and grant unto us, the said James Hinks and. Joseph Hinks,
Her special license that we, the said James Hinks and Joseph Hinks,
our executors, administrators, and assigns, or such others as we, the
said James Hinks and Joseph Hinks, our executors, administrators,
and assigns, should at any time agree with, and no others, from time
to time and at all times thereafter during the term therein expressed,
should and lawfully might make, usc, exercise, and vend, within tho,
United Kingdom of Great Britain and Ireland, the Channel Islands,
and Isle of Man, an Invention for "IMPROVEMENTS IN LAMPS FOR BURNING
PARAFFIN OIL AND OTHER VOLATILE LIQUID HYDROCARBONS," upon the conditior.
(amongst others) that we, the said James Hinks and Joseph Hinks,
our executors or administrators, by an instrument in writing under our,
or their hands and seals, or under the hand and scal of one of us or
them, should particularly describe and ascertain the nature of the said
Invention, and in what manner the same was to be performed, and cause
the same to be filed in the Great Seal Patent Office within six calendar
months next and immediately after the date of the said Letters Patent...
NOW KNOW YE, that I, thic said Joseph Hinks, on behalf of the said
James Hinks and myself, do hereby declare the nature of the said
Invention, and in what manuer the same is to be performed, to be

page_text: particularly described and ascertamed in and by the following statement
thereof, that is to say :-
Our Invention consists of the improvements hercin-after described in
connecting the burner with and disconnecting it from the vase or oil
reservoir of the said lamps, and also of the improvements herein-after
described in isolating the burner from the said vase or oil reservoir for
the purpose of keeping the latter cool..
Our improvements in connecting the burner with and disconnecting
it from the vase or oil reservoir are as follows:-We fix on the outside
of the metallic collar or mount fixed on the summit and around the
mouth of the vase or oil reservoir two inclined pins or projections, the
said pins or projections being situated at opposite points on the said
collar or mount. The lower end of cach of the said inclined pins or
projections is bent at right angles and constitutes a stop. We also make
on opposite points of the edge of the flange near the bottom of the
burner a hook or loop, the shape and positions of the said hooks or loops
being such that they can be made to engage under the inclined pins or
projections on the collar or mount of the vase or oil reservoir. In con-
necting the burner with the vase or oil reservoir the said burner is so
placed on the collar of the vase that its hooks or loops are without the
range of the free or highest ends of the inclined pins or projections on
the collar. By then turning the burner through a small angle in the
direction of the stops on the inclined pins the books or loops on the
burner engage under the inclined pins on the collar or mount, and by a
wedging action the burner is drawn into close contact with and securely
fixed to the collar of the vase or oil reservoir. By turning the burner in
a direction contrary to that described the hooks or loops are removed
from under the inclined pins and the burner is released and may bo
removed from the vase or oil reservoir.
For the purpose of isolating the burner from the vase or oil reservoir
for keeping the said vase cool we place and fix on the under side of the
flange near the bottom of the burner a ring of cork, wood, paper mâché,
or other imperfect conductor of heat
i
When the burner is fastened in the manner before described to tho
collar or mount on the vase or oil reservoir the said ring of cork is.
pressed firmly against the top of the said collar or mount, and the

page_text: mictallic continuity between the burner and vase is broken, and the said
burner thereby isolated from the vase and the latter kept cool. :
For still further isolating the burner from the vase we line the inner
tubular part of the metallic collar or mount on the vase with a ring or
fillet of cork or other imperfect conductor of heat. When the burner is
fixed in its place on the vase the lower part of the burner enters' the
metallic collar and bears against the ring or lining of cork in the said
metallic collar. The isolation of the burner from the vase is thereby
effected at all parts where it comes in contact with the collar or mount
on the vase or oil reservoir.
Figures 1, 2, and 3 represent in clevation a duplex burner and portion
of a vase or oil reservoir containing our improvements. In Figures 1
and 2 the burner is represented fastened to tlie metallic collar or mount
on the vase, and in Figure 3 the said burner is represented unfastened. .
Figure 4 represents a vertical section of the burner and collar or
mount.
And, Figure 5 is a plan of the under side of the burner.
Figure 6 is a vertical section of the collar or mount detached; and
Figure 7 is a modification of the arrangement for isolating the burner
from the vase or oil reservoir.
. The same letters indicate the same parts in the several Figures of the
Drawing.
a is the duplex burner and b is the metallic collar or mount fixed on
the vase or oil reservoir c. In order to readily connect the burner a to
and disconnect it from the vase or oil reservoir c of the lamp hooks or
loops d, d, are made at opposite points on the edge of the flange a² of
the burner a, and on the metallic collar or mount 7 of the vase or oil
reservoir c, and at opposite points are metallic pins or projections e, e,
having stops at their lower ends. By placing the burner a on the collar
or mount b so that its hooks or loops d, d, are without the range of the
free or highest ends of the inclined' pins e, e, as represented in Figure 3,
and then turning the burner a through a small angle in the direction of
the arrow the said hooks or loops d, d, engage under the inclined
pins e, e, and by a wedging action draw the burner a and collar or
mount together and firmly secure the burner to the vase c, as repre-
sented in Figures 1 and 2 of the Drawing. By giving the burner a a.
"

page_text: motion in a direction opposite to that indicated by the arrow thic said
burner is released and may be removed from the vase or oil reservoir.
We will now describe our improvements in isolating the burner from
the vase.
In the bottom of the burner a is a ring of cork or other bad
conductor of heat marked ƒ (see Figures 4 and 7), against which the top
of the metallic collar or mount of the vase ċ bears when the said
burner is fastened to the said vase by the mechanism herein-before
described. By means of the said ring of cork f the metallic continuity.
between the burner and vase is broken and the said burner isolated at
that part from the vase and the latter kept cool.
For the purpose of still further isolating the burner from the vase the
inner tubular part or chamber 6³ of the metallic collar or mount & fixed
on the vase c against which part or chamber b³ the tubular part of tho
lower chamber 62 of the burner bears is furnished with a ring or fillet g
of cork or other bad conductor of heat. The isolation of the burner a
from the vase c at all parts where it comes in contact with the collar or
mount is thereby effected.
Instead of filling the part or chamber 63 of the collar 6 with cork or
other imperfect conductor of heat the said part or chamber may be used
without being so filled. In this case the isolation of the lower part of
the burner from the vase is effected by the air space between the said
burner and the sides of the chamber 63. The perpendicular position of
the burner is maintained when it has the short bearing represented in
Figure 7 by the fastening lugs and hooks at d, e.
Having now described the nature of our Invention, and the manner in
which the same is to be performed, we wish it to be understood that we
do not limit ourselves to the precise details herein described and illus-
trated as the same may be varied without departing from the nature of
our Invention, but we claim as our Invention of improvements in lamps.
for burning paraffin oil and other volatile liquid hydrocarbons:
First. The arrangement or combination of parts herein-before
described and illustrated in the accompanying Drawing for readily.
connecting the burner to and disconnecting it from the vase or oil
reservoir of the lamp, that is to say, by means of the hooks or loops d, d,
on the flange of the burner engaging with or being removed from the a
pins or projections e, e, on the collar or mount of the vase or oil
reservoir:

page_text: Secondly. The arrangement or combination of parts herein-before
described and illustrated in the accompanying Drawing for isolating the
lamp burner from the vase or oil reservoir for the purpose of keeping
the latter cool, that is to say, the combination of the ring of cork or
other bad conductor of heat on the under side of the burner with the
ring or fillet of cork or other bad conductor of heat g on the inner side
of the metallic collar or mount on the vase or oil reservoir, as in
Figures 4 and 6, or with the air space or chamber 63 on the inner side
of the said collar or mount as in Figure 7.
In witness whereof, I, the said Joseph Hinks, have hereunto set
my hand and seal, this Twenty-first day of September, in the
year of our Lord One thousand eight hundred and seventy-
four.
Witness,
GEORGE SHAW,
JOSEPH HINKS. (L.S.)