Improvements in Lamp Burners.
Year: 1892

page_text: Date of Application, 24th May, 1892-Accep.ed, 30th July, 1892
COMPLETE SPECIFICATION.
[Communicated from abroad by THE R. T. BARTON COMPANY (Incorporated),
of New Haven, County of New Haven, State of Connecticut, United States
of America.]
Improvements in Lamp Burners.
I, HENRY HARRIS LAKE of the firm of Haseltine Lake & Co., Patent
Agents, 45 Southampton Buildings in the County of Middlesex, do hereby.
leclare 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, reference being made to the accompanying drawings forming part of
this Specification, and in which
Figure 1, represents a view in vertical central section of a lamp-burner con- .
structed in accordance with this invention.
Figure 2, a view of the burner in horizontal section on the line y-y of
Figure 1.
Figure 3, a view in horizontal section through the inner and outer wick-tubes of
the burner on the line -x of Figure 1.
Figure 4, a view in vertical central section of the inner wick-tube on line z-z
of Figure 3.
Figure 5, a similar view of the inner wick-tube on line w-w of Figure 3.
Figure 6, a broken view in side elevation of the upper end of the inner wick-
tube and showing the wick-band.
Figure 7 is a detached view in side elevation of an inner wick-tube, provided
with this perfected form of wick-band, which has long. depending arms in part
covering the long narrow vertical slots formed in the inner tube for their connection
with the rack by which the band is raised and lowered.
Figure 8 is a view of the said tube and band in vertical section showing the
coupling-plate connecting the arms of the band with the rack.
This invention relates to an improvement in that class of argand-burners which
take the air in through the side of the inner wick or draft-tube instead of through
the lower end thereof, the object being to produce a simple, durable, convenient
and effective lamp-burner at a low cost.
With these ends in view, the invention consists in a lamp-burner having certain
details of construction and combinations of parts as will be hereinafter described,
and pointed out in the claim.
"
The inner wick-tube A, is closed at its lower end except for a small opening A¹,
and constructed with a long narrow port B, in one of its side walls. The outer
wick-tube C, is constructed with a corresponding port B³. These two ports are
connected by a short draft-tube D, corresponding to them in shape, and forming a
passage for the air from the outer wick-tube into the inner wick-tube. The said
draft-tube is constructed with two annular ribs d d, located near its ends, and with
two lips or flanges d' d', respectively projecting beyond the said ribs. When the
tube is placed in position, the ribs respectively abut against the outer wall of the
inner wick-tube, and the inner wall of the outer wick-tube, while its end
flanges d¹ d', respectively pass through the port B, of the inner wick-tube, and
through the port B¹ of the outer wick-tube, and are turned down, as well shown
by Figure 1 of the drawings, upon the outer face of the outer wick-tube and the
inner face of the inner wick-tube, whereby the said draft-tube D is very firmly
secured in place.
A small rack-tube E, depends centrally from the closed lower end of the inner
wick-tube, and is constructed at its extreme lower end with a small vent E¹. This
rack-tube receives the lower end of the rack F, the upper end whereof is located

page_text: in the centre of the inner wick-tube. The said rack may be of any approved
construction, but as herein shown it is made of a strip of heavy sheet-metal, having
its edges bent to stiffen it, and constructed with a vertical series of small openings F¹,
as shown by Figure 4 of the drawings, to adapt it to receive the teeth of the
pinion G, which is mounted upon a spindle or stem G', passing transversely through
the lower end of the inner wick-tube at a point just to one side of the centre
thereof, and furnished at its outer end with a button H, by means of which it is
turned to raise and lower the rack. By inclosing the projecting lower end of the
rack in the small tube E entanglement of the wick in the rack, as sometimes
occurs in lamp-burners of this type, is provided against. The small vent E¹,
formed in the lower end of the rack-tube, permits any gas that may be driven into
the same to escape. A two-armed coupling-plate I is attached to the upper end
of the rack X, and centrally cut away from its upper edge, as at I¹, to clear the
stationary bridge J, which suppports the conical air-distributer K and the
deflector L. The extreme ends of the two arms of the coupling-plate are each
provided with two fingers ii, which pass through long narrow vertical slots M. M;
located opposite each other, and formed in the inner wick-tube. The projecting
ends of the said fingers i i, pass through openings respectively formed in short
arms depending from opposite points in the lower edge of the wick-band N,
with which they are integral, the said fingers being bent down upon the outer faces
of the said arms in opposite directions, as shown by Fig. 6 of the drawings. The
said wick-band encircles the upper end of the inner wick-tube, and is provided with
two circular series of outwardly projecting teeth N¹ N',- for engaging with the
wick. The said wick-tube is constructed with four or more lips O, formed by
cutting it and striking the portions so detached inward, the said lips being. located
in a horizontal plane coinciding with the upper edge of the stationary bridge J.
These lips co-operate with the said bridge in supporting the small perforated
conical air-distributer K, which is located entirely within the upper end of the
inner wick-tube, the upper end of the said distributer being. truncated to form an
opening large enough to allow a strong draft to pass upward against the inner face
of the deflector L, which is provided with a sleeve L' which passes over a spindle J',
mounted in the stationary bridge J. The distributer and deflector as thus
constructed and arranged, co-operate to secure a strong, brilliant, white and
steady flame:
:
Figures 7 and 8 of the drawings show the preferred construction for the wick-
band and the coupling-plate of the rack. In this case the wick-band P, has its
ears P P made very long to cover the long, narrow vertical slots Q.Q formed in
the inner wick-tube R, for the connection of the lower ends of the said arms with
the fingers s's formed upon each arm of the coupling-plate S, attached to the upper
end of the rack T, but reversed in position from the position in which it is shown
.in. Figure 4.
Having now particularly described' and ascertained the nature of the said inven
tion and in what manner the same is to be performed as communicated" to me
by my foreign correspondents I declare that what I claim is:
First. In a lamp-burner, the combination with an inner wick-tube closed at its.
lower end, and constructed with a port in its side, of an outer wick-tube constructed
with a corresponding port; and a draft-tube joining the said ports to form a closed
passage way between them; and constructed at each end with an annular rib;. and a
lip or flange, the said ribs respectively abutting against the outer face of the inner
wick-tube, and the inner face of the outer wick-tube, and the said lips or flanges
being passed through the ports and turned down upon the outer face of the outer
wick tube, and the inner face of the inner wick-tube, substantially as set forth.
Second. In a lamp-burner, the combination with an inner wick-tube having.its
lower end closed" but for a small perforation, of a wick-band encircling the said
tube, a rack located in the centre of the said tube, and connected at its upper end
with the said band; means for raising and lowering the said rack, and a rack-tube..

page_text: attached to the lower end of the wick-tube to receive the lower end of the rack
which projects thereinto through the perforation in the lower end of the wick-tube,
substantially as set forth.
Third. In a lamp-burner, the combination with an inner wick-tube having its
lower end closed but for a perforation, and constructed with two barrow vertical
slots located opposite each other, a rack-tube attached to the bottom of the wick-
tube over the perforation therein, a rack located in the wick-tube, and extending
at its lower end into the rack-tube, a wick-band encircling the upper end of the
wick-tube, and a coupling-plate attached to the upper end of the rack and con-
structed with fingers to pass through the slots in the wick-tube and connect with
the wick-band, substantially as set forth.
Fourth. In a lamp-burner, the combination with an inner wick-tube, of a fixed
bridge located in the upper end thereof, a spindle carried by the said bridge and
projecting above the upper end of the tube, a perforated, conical air-distributer
focated within the wick-tube above the said bridge and having its upper end
truncated, and a removable deflector having a sleeve passed over the spindle.
down through the distributer, and supported upon the bridge, substantially as.
set forth.
Para say or may 1
HASELTINE, LAKE & Co.,
45, Southampton Buildings, London, Agents for the Applicant.