Improvements in Extinguishers for Lamps.
Year: 1891

page_text: ate of Application, 28th Jan., 1891-Accepted, 7th Mar., 1891
COMPLETE SPECIFICATION.
Improvements in Extinguishers for Lamps.
I, JOHAN ALFRED JOHANSSON, of Alingsa's, in the Kingdom of Sweden,
Student, 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 relates to a lamp extinguisher termed the "Velor extinguisher"
which is very simple in construction and certain in its action.
In the accompanying drawing
Figure represents the extinguishing device in the position it occupies when the
lamp is extinguished and
Figure 2 represents the said device in the position it occupies when the lamp is
burning or ready to be lit.
The extinguishing device consists of a lid A arranged to close the end of the
wick tube and thus extinguish the flame Figure 1. The means for operating this
lid which constitutes the present invention, consists of a thin elastic metallic spring-
shaped band B which is arranged to move up and down through a guiding tube or
shell C inserted in the burner of the lamp. The said lid is fixed to the top of the
said spring shaped band B. The said spring B is arranged to be pushed upward so
that when the point of the lid is on a level with the top of the wick tube, the lid
drops upon the said tube thus extinguishing the flame. When the spring is pulled
down the lid will be turned on its pivot the said lid being prevented from falling
backwards by the prolongations E projecting from the same, which prolongations
likewise contribute to the dropping down of the lid. The tube or shell C is provided
with an eyelet through which is passed a thread or string F fixed at the lower end
of the spring B with the view of extinguishing suspended lamps by pulling the said
string. The above described extinguishing device may be used for round as well as
other burners and it may be applied to old as well as new lamps of different
dimensions.
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:-
First. In a lamp extinguisher substantially as above described, the arrangement
by means of which the lid is caused to drop upon the wick tube, the said arrange-
ment consisting in the employment of a thin spring band passing through a guiding
tube or shell in the bottom of the burner in an oblique direction towards the wick tube,
so that the top of the said band to which the lid is fixed, rests elastically against
the wick tube, the lid being moreover united or provided with a prolongation bent
towards the wick tube and extending below the pivot of the lid, so that by means
of the knee thus formed the end of the spring may stand off from the wick tube or
the lid in its turn fall upon the top of the said tube, when it is pushed up to the
latter.
Second. In a lamp extinguisher as indicated in claim 1, the arrangement of a
thread or string fixed at the lower end of the spring and passed through an eyelet
fixed in the tube or shell on the burner, which thread or string is adapted to hang
down, so as to be used for extinguishing suspended lamps.
HASELTINE, LAKE & Co.,
45, Southampton Buildings, London, W.C., Agents for the Applicant.