rgan
Year: 1889

page_text: HENRY BERNOULLI BARLOW of 17 Saint Anns Square Manchester in the County
of Lancaster Consulting Engineer and Patent Agent (a communication to me from
abroad by Charles Stanford Upton of 25 Warren Street New York United States of
America Engineer) 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 is an improvement on wick raisers for Central Draft or Argand
Lamps, and is fully disclosed in the following specification of which the accompanying
drawing forms a part, and in which similar letters of reference indicate like or
equivalent parts wherever found throughout the several views.
Fig. 1, is a central vertical section of an argand lamp provided with this
improvement.
Fig. 2, is a similar view, the burner being removed, and
Fig. 3, is a top plan view, on a smaller scale, of the reservoir of the lamp, the
burner being removed.
Referring to figure 1, A, represents the body of a central draft lamp which may
be of any desired form, either for portable or hanging lamps. B, is the central
draft tube, and C, the burner which may be removed by simply lifting it from the
body of the lamp, in the well known way, the lamp reservoir with the burner
removed being shown in figure 2. The lamp burner and the outer wick tube attached
thereto are the same in construction and operation as in other lamps of this class,
the invention which forms the basis of this application consisting of the novel means
for raising and adjusting the wick and removing the old and substituting a new one
as hereinafter described.
D, is a circular band for holding the wick. It consists of a metal ring or hoop
which is designed to encircle the wick at any desired point, and is capable of sliding
with the wick up and down on the central tube B, the tube E, attached to the
burner, forming the outer wall of the wick chamber when the burner is in position.
G, is a rod or bar which is attached to the band D, in any manner preferred, an

page_text: offset D', being provided for this purpose. Formed in the top of the reservoir, is an
opening H, in which the rod or bar moves in the operation of raising and lowering
the wick and this opening is in communication with the central opening of the lamp
which is filled by the burner when the latter is in position. The communication
between the opening H, and the neck of the lamp is shown at H¹, and should be of
such size and construction as to admit of the offset D', by which the bar G, is
attached to the band D, passing therethrough, when the burner is removed. By
means of this construction, the entire wick holder, its operating bar, and the wick
attached to the holder may be readily inserted into the lamp, when the burner is
removed, and as readily withdrawn therefrom whenever it becomes necessary to clean
the lamp or insert a new wick.
In the body of the lamp, a short distance from the opening H, is placed a tube K,
which passes entirely through the reservoir, and is open at both ends. The bar G,
instead of terminating above the body of the lamp as heretofore, is bent or curved, as
shown, and carried down through tube K, and terminates at any desired point below
the reservoir, as shown at G. With this construction, in adjusting the wick it is
only necessary to take hold of the bar at G¹, and the wick may be raised or lowered
to any desired extent by simply pressing upward or pulling downward on the bar.
Instead of operating the wick adjuster, as just described, there may be provided,
the construction shown in figure 2, in which the lower end of the bar G¹, is provided
with a screw thread and a screw nut M, placed thereon, means being also provided by.
which the nut M, is prevented from moving upward or downward upon the screw-
threaded rod or bar when the former is turned in the operation of adjusting the
position of the wick.
The means referred to, as shown in the drawing, consists of a lug or plate O,
attached to the body of the lamp, but it is evident that many other constructions may
be resorted to for this purpose without departing from the spirit of the invention.
With this arrangement the wick may be adjusted with the greatest nicety by simply
turning the nut M, and by turning the said nut until the rod G, is released therefrom,
the entire wick holder, the operating bar and wick may be removed from the lamp the
same as with the construction shown in figure 1.
The primary object of the construction described and claimed herein is to provide a
wick adjusting mechanism particularly adapted to over-head lamps in which the wick
adjuster may be readily operated from below the lamp, and at the same time retain
the advantages of the construction which forms the basis of United States letters
patent granted September 14th, 1886, No. 348,969; wherein, by reason of the con-
struction of the reservoir burner and wick adjuster, the entire wick adjusting device,
together with the wick can be lifted from the lamp after the burner is removed, thus
securing the most simple and perfect means for removing old wicks and inserting new
ones and also for the adjustment thereof.
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. The combination with a central draft lamp, having a removable burner, the
reservoir being provided with an opening in its top as H, and a tube extending there-
through as K, of a wick raiser and holder consisting of a band D, and a rod or bar G,
the rod being attached to the band, and extending up through the opening H, and
then bent and extending downward through the tube K, and terminating below the
reservoir of the lamp, substantially as shown and described.
2. A central draft lamp having an opening in its top, communicating by means of a
passage with the neck or central opening of the lamp in which the burner fits, a tube
extending through the reservoir open at both ends, and a wick holder and adjuster
consisting of a band which surrounds the central tube and a rod or bar which is
attached thereto and extends upward through the opening which communicates with
.. the neck of the lamp and is then bent over and downward through the tube within the
reservoir, substantially as shown and described.

page_text: 3. A central draft lamp in which the burner is removable, having an opening in
the top of the reservoir communicating by means of a passage or slot with the neck or
central opening of the lamp, and a tube extending through the reservoir open at both
ends, and a removable wick holder and adjuster, a portion of which is attached to a
band which surrounds the central tube of the lamp, and extends up through the
opening in the top of the reservoir, and a second portion of which extends down
through the tube in the reservoir, whereby the wick may be adjusted from below, and
the entire wick holder and adjuster removed from the lamp, substantially as shown
and described.