Year: 1889

page_text: Date of Application, 9th Oct., 1889
Complete Specification Left, 1st Jan., 1890-Accepted, 1st Feb., 1890
Fig. 1. a section showing the interior construction and shape of warmer. (a) repre-
sents a small float confined in a wire cage. When the water raises the float sufficiently
or until the end of the small spindle is visible about inch above the top of the spindle
guide as shown at h. will indicate it contains sufficient water, and not too much.
(6) is an open space wherein the gas burner is fixed. (c) is nozzle and tap for
applying flexible gas tube, conveying gas to (cc) an air chamber through which
gas is conveyed to d, the gas burner. G is the dotted water space. I is the sloping
surface on which the feet rest.
Fig. 2. is a transvers section of fig. 1. (ee) shows the transvers gas tube with a
number of small dotted gas jets. (ff) shows a perspective view of the interior open
space, or gas chamber. G is the water space. J is a thumb screw (or vent) for
filling with water. The float and cage is a facsimile of (a) fig. 1. and are fixed to
the thumb screws.

page_text: The footrest of the warmer is 14 x 12 and 6 inch high at the back sloping down to
a point in front. The Drawing is the full size.
The gas for the supply of the warmer may be procured from any ordinary gas
bracket, by making slight alteration to bracket, by adding a stop tap near the burner,
and a nozzle and tap at the back end of bracket.
ADVANTAGES THAT MAY BE DERIVED FROM THE SELFHEATING FOOTWARMER.
In winter the footwarmer is almost indispensable in offices and other places where
heating is needed for the comfort of principals and employes.
Where footwarmers could be introduced generally into offices and other places of
business where numbers of clarks are employed, say a footwarmer to each and every
clerk confined to a desk would be of great advantage.
Wherewith a number of warmers in an office would radiate sufficient heat to keep
an office or other compartment at a moderate warın temperature.
Thereby office fires could be dispensed with-even in winter and a great saving in
the consumption of fuel and expenses-in the event of there being no office fires for the
employes to spend their time over warming themselves-which is quite necessary at
times would be inclined to remain at their desks, and at their work where they would
feel themselves comfortable and get through a great deal more work.
The porter or office boy could prepare a number of these each morning and
have them ready on the arrival of principals and employes instead of prepareing
office fires.
In addition to the above advantages could footwarmers be introduced into all
places where the temperature is required to be raised, instead of prepareing grate fires
or stoves, and smoke dispensed with, this would greatly diminish the smoke mingling
with and causing dense autumn and winter fogs.
0th 1000
COMPLETE SPECIFICATION.
Improved Self-heating Foot Warmer.
BENJAMIN ROBINSON 49 Jeffreys Road, Clapham London S.W. 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:-
The utility and novelty of the improved self-heating footwarmer is the particular
design of the water vessel to enable gas or other means of heating being applyed for
the heating purpose.
The temperature of cold water can be raised to 160 or 180° Fahr. in little more
than ten minutes-or may be raised to 212° Fahr.-which is seldom necessary.
Any desired temperature may be maintained any number of hours at a reduced
expenditure of gas by regulating the gas tap to a minimum when necessary for this
purpose.
And is much more superior than the ordinary old fashioned footwarmer, which
require to be filled with hot water and which again becomes cold in a couple of
hours in cold weather.
In lighting the gas jets the lighted taper should be applyed close to the gas burners
before the gas tap is opened, so that when the tap is being opened, the gas ignites
immediately it comes in contact with the flame of the taper-to prevent escape of
unconsumed gas.
The improved footwarmer may be manufactured from tin, copper brass zinc
composition, or thin plates of any other suitable material. The tubing taps and nozzles
used, are of brass copper or iron.
The self-heating footwarmer may be manufactured in any other shape forin or size
suitable for the temperature of the water being raised by the application of gas
spirits mineral oil, or oils of any other kind may be used for the heating purpose.

page_text: The Drawings represent only one of many illustrations by when the improved sen-
heating footwarmer may be manufactured.
The Drawings represent an improved selfheating footwarmer, by which gas is used
for the heating purpose.
DISCRIPTION.
Fig. 1. represents a section showing the interior construction and shape of the
warmer. (a) is a small float secured to small spindle rod passing through a piece of
pipe attached to the thumbscrew that acts as a guide to keep it in possition-The
upper end of the spindle having a small knob to prevent it droping inside when
the water is low.
When the water raises the float sufficiently or until the end of the spindle is visable
about one eighth of an inch above the top of thumbscrew as shown at h, will indicate
it contains sufficient water, and not too much. The float may be made of tin, copper,
or cork, or the warmer may be constructed without a float as may be desired-(b) is
an open space wherein the gas burner is fixed-(c) is a nozzle for flexible gas tube
and tap conveying gas to (c c) an air chamber through which the gas is conveyed
to (d), the burner (G) is the water space-(I) is the sloping surface on which the
feet rest.
Fig. 2. is a transverse section of fig. 1-(e e) shows the transverse gas tube or
burners with a number of gas jets as shown by dotted cones-(ff) shows a perspective
view of the open space or gas chamber.
The gas chamber is closed in with two sliding and ventilating doors--or may be
constructed without doors if desired-(G) is the water space-(J) is a thumbscrew
and steam vent, also for filling with water.
The footrest of the warmer is 14" x 12" x 6" inches high at the back end sloping
down to a point in the front.
To the footrest a covering of carpet may be secured to four studs one at each corner
or the carpet may be secured by two holders top and bottom under which the edges
of the carpet will be held tight instead of studs.
The gas for the supply of the improved footwarmer may be procured from any
ordinary gas bracket by adding a tap and nozzle combined at the back end of
the arm near the bracket and a stop tap near the burner when necessary.
THE ADVANTAGES OF THE IMPROVED SELFHEATING FOOTWARMER.
In winter the footwarmer is almost indispensable in offices and chambers, and all
other places where heating is needed for the comfort of principals and employes.
Where footwarmers could be introduced generally into offices and other places of
business where numbers of clarks are employed-say a footwarmer to each and
every clerk confined to a desk, would be of great advantage, wherewith a number
of warmers in an office would radiate sufficient heat to keep an office or other
compartiment at a moderate warm temperature.
Thereby office could be dispenced with even in winter, and a great saving in the
consumption of fuel-and expenses-in the event of there being no office fires for the
employes to spend their time over warming themselves, which is quite necessary at
times would be inclined to remain at their desks, and at their work, where they would
feel themselves comfortable, and get through a great deal more work.
The porter or office boy could prepare a number of these each morning and have
them ready on the arrival of principals and employes, instead of prepareing office
fires.
In addition to the above advantages could footwarmers be introduced into all places
where the temperature is required to be raised-instead of grate and stove fires, and
smoke dispensed with-this would greatly diminish the smoke mingling with and
causing dense autumn and winter fogs.

page_text: Having now particularly discribed and ascertained the nature of my said
invention, and in what manner the same is to be performed, I declare that what
I claim is
1st. The self-heating footwarmer.
2nd. The improved design of the interior construction and shape, whereby the
interior is divided into two parts-water space, and heating space.
3rd. The water float and spindle guide as applied which may be made of tin, copper,
or cork, or the warmer may be constructed without a float.
4th. The application of gas spirits or oils to the footwarmer for the heating
purpose.
5th. I hereby disclaim seperately each and all old or known parts used in the con-
struction of the improved footwarmer and claim only the combined application and
arrangement of known or old parts to effect the improvements in the self-heating
footwarmer.
Dated thin 1
T1000