A New or Improved Lamp-wick Tube Sheath.
Year: 1894

page_text: Date of Application, 2nd May, 1894
Complete Specification Left, 7th Sept., 1894-Accepted, 13th Oct., 1894
PROVISIONAL SPECIFICATION.
A New or Improved Lamp-wick Tube Sheath.
I, HORACE CAMPBELL BLAKER, of Srinagar, Cashmere, British India,
Engineer and Contractor, do hereby declare the nature of this invention to be as
follows:-
My invention relates to providing a safety attachment for oil lamps which will
obviate the inconvenience experienced from a smoky chimney when the lamp-wick
is inadvertently turned up too high by means which will prevent its occurrence.
This safety attachment consists of a sheath having wires or other suitable
filaments stretched across its mouth and fixed thereto, which is so constructed as to
be capable of being slipped down over the burner proper or wick-tube and is
attachable to it by means of one or two small clamping screws leaving the cross
wires at any desired height above the edge of the burner or wick tube.
Dated this 2nd day of May 1894.
R. HADDAN,
Agent to Applicant.
I, HORACE CAMPBELL BLAKER, of Srinagar, Cashmere, British India,
Engineer and Contractor, 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:-.
My invention relates to providing a safety attachment for oil lamps which will
obviate the inconvenience experienced from a smoky chimney when the lamp wick
is inadvertently turned up too high by means which will prevent its occurrence.
This safety attachment consists of a sheath having wires or other suitable
filaments stretched across its mouth and fixed thereto, which is so constructed as to
be capable of being slipped down over the burner proper or wick tube and is
attachable to it by means of one or two small clamping screws, leaving the cross
wires at any desired height above the edge of the burner or wick tube.
The accompanying drawings forming a part of this Specification fully illustrate
my improved safety lamp wick attachment for regulating the height of the wick
above the edge of the burner in which
Fig. 1 is a plan of a flat wick burner and
Fig. 2 is a side elevation of the same.
Fig. 3 is a plan of a circular wick burner.
In these drawings the like letters denote the same parts in each figure.
The metallic sheath A shown in elevation in Fig. 2 may have a height of half
an inch or more and is made of a size to slip down easily over the burner C, until
stopped by the cross wires B resting on its upper edges. The stop wires Bare
shown in Fig. 2 attached to projecting lugs E but this is not essential as they may
be attached to the straight top edge of the sheath and the lugs dispensed with.
The sheath A is clamped in place with the wires set at any desired height above
top edge of the burner Ċ by means of clamping screws D. Two screws are shown
but one will suffice and in flat wick lamps the screw or screws may be placed at the
sides instead of at the ends of the burner as shown. In the circular wick Fig. 3
D

page_text: the wires are made to cross each other. For the purpose of trimming the lamp
the sheath can be instantly removed by easing off the clamping screw and at once
replaced and clamped on the burner. The wick being turned up the desired
height, the cross wires become slightly buried in it, thereby permitting of the
continuity of the flame.
Having now particularly described and ascertained the nature of the said inven-
tion and in what manner the same is to be performed, I declare that what I
claim is
1. In oil lamps the use of a safety wick attachment, being a metal sheath A
placed over and around the burner, having wires B crossing top of wick, said
sheath being clamped to side or end of burner by screws D. substantially as
described and for the purpose set forth.
2. In an oil burning lamp the combination of the sheath A, cross wires B,
clamping screws D and burner C, substantially as specified and for the purposes
described.
D
R. HADDAN,
Of the Firm of Herbert Haddan & Co.,
18, Buckingham Street, Strand, W.C., London, Agent to Applicant.