Improvements in Automatic Extinguishing Devices for Lamps.
Year: 1891

page_text: Date of Application, 24th Mar., 1891
Complete Specification Left, 24th Dec., 1891-Accepted, 24th Mar., 1892
PROVISIONAL SPECIFICATION.
Improvements in Automatic Extinguishing Devices for Lamps.
We JOHANN BAUMGARTNER, IGNATZ SCHILLER and FRANZ WULM all of
18, Alsinger Gasse, Vienna in the Empire of Austria Merchants do hereby declare
the nature of this invention to be as follows :-
The present invention relates to an automatic extinguishing device for lamps.
The spindle of the button or knob for regulating the wick is encircled by a spiral
spring having its one end fixed to the base of the burner and the other end attached
to a ratchet wheel arranged loosely on the spindle of the regulating button. A
pawl is pivoted to the button in such manner that on turning the spindle to the
right-in raising the wick-the ratchet disc will be coupled to the said button and
consequently the helical spring subjected to torsion. On releasing the button,
however, the spring will return to its position of rest thus turning the wick down.
When placing a new wick in the lamp the ratchet disc and with it the spring may
be uncoupled from the button by simply throwing back the pawl.
.
In order to fix the ratchet disc in any desired position a catch lever is provided,
pivotally carried in brackets attached to the lamp. This lever extends over the
ratchet disc and is provided with a dish or small pan which is loaded with a spherical
weight. When the latter is on the dish the catch lever is held in the ratchet disc
and prevents the same from turning, but as soon as the weight is removed either
by hand or in the case of accident as soon as the lamp is tipped-the ratchet disc is
released and the spiral spring allowed to operate, so as to turn down the wick and
thus extinguish the lamp.
The spherical or other appropriate weight may be attached in any convenient
manner advantageously by means of a small chain or a chain combined with a
suitable arm to the body of the lamp.
To light the lamp it is necessary to turn the wick upwards sufficiently, then drop
the catch lever into the ratchet disc and place the weight in position. As soon as
the lamp is brought out of its vertical position-for instance on falling-the weight
will drop off its dish and release the extinguishing mechanism as described.
Dated this 24th day of March 1891
TONGUE & BIRKBECK,
34, Southampton Buildings, Chancery Lane, London, W.C.,
Agents for the Applicants.
COMPLETE SPECIFICATION.
Improvements in Automatic Extinguishing Devices for Lamps.
We, JOHANN BAUMGARTNER, IGNATZ SCHILLER and FRANZ WULM of.
18, Alsinger Gasse, Vienna in the Austrian Empire, Merchants do hereby declare
the nature of our invention and the manner in which the same is to be
performed to be particularly described and ascertained in and by the following
statement:-
device for lamne
COMPLETE SPECIFICATION.
Improvements in Automatic Extinguishing Devices for Lamps.
We, JOHANN BAUMGARTNER, IGNATZ SCHILLER and FRANZ WULM of
18, Alsinger Gasse, Vienna in the Austrian Empire, Merchants do hereby declare
the nature of our invention and the manner in which the same is to be
performed to be particularly described and ascertained in and by the following
statement:-
The present invention relates to an automatic extinguishing device for lampe
In the accompanying drawing:
Fig. 1 is a side view and
Fig. 2 an elevation of our invention.

page_text: attached to a ratchet wheel r arranged loosely on the spindles of the regulating
button k. A stop or pawl his pivoted to the button in such manner that on
turning the spindle s to the right-in. raising the wick-the ratchet wheel r will be
coupled to the said button and consequently the helical spring subjected to torsion.
On releasing the button k however the spring f will return to its position of rest
thus turning the wick down. When placing a new wick in the lamp the ratchet
disc and with it the spring f may be uncoupled from the button k by simply
throwing back the pawl h.
2º
In order to fix the ratchet disc in any desired position a lever a¹ is provided
pivotally carried in brackets ll attached to the lamp.
A fixed arm a² extends above the ratchet disc and is provided with a dish or
small pan a³ which is loaded with a spherical weight p.
When the latter is on the
dish the lever arm a is in the ratchet disc and prevents the same from turning but
as soon as the weight p is removed either by hand or in the case of accident as soon
as the lamp is tipped the pawl a is released from the ratchet disc r and the helical
spring allowed to operate so as to turn down the wick and thus extinguish the
lamp.
The spherical or other appropriate weight p may be attached in any convenient
manner advantageously by means of a small chaint as shown or the weight may be
supported on the lever a¹ and connected by a chain direct to the body of the lamp.
In the latter case the lever a' must be made lighter than in the case illustrated.
As
To light the lamp it is necessary to turn the wick upwards sufficiently then drop
the catch or pawl a into the ratchet disc and place the weight p in position.
soon as the lamp is brought out of its vertical position-for instance on falling-the
weight will drop off its dish a³ and release the extinguishing mechanism as described.
Having now particularly described and ascertained the nature of our said
invention and the manner in which the same is to be performed we declare that what
we claim is―
1. The construction and application of automatic extinguishing devices consisting
of a helical or torsional spring f arranged round the spindles and ratchet wheel r
which on turning the knob or button k will by means of the pawl h be operated so
as to put the spring f under tension the parts being released by disengaging the
pawl a substantially as described.
2. In the extinguishing device characterised in the foregoing claim the arrange-
ment of a lever a' the arm or pawl a of which gears into the toothed edge of the
ratchet wheel said lever being operated by a weight p substantially as specified.
3. Our improved extinguishing device constructed and operating substantially
as set forth in the foregoing Specification and represented in the accompanying
drawings.
Dated this 24th day of December 1891
TONGUE & BIRKBECK,
34, Southampton Buildings, Chancery Lane, London, W.C.,
Agents for the Applicants.