New or Improved Means and Apparatus for Indicating the Fermenting State or Condition of "Sponge" or Dough Preparatory to Baking or Cooking the same, applicable also to Indicating the Fermenta- tion of other Substances and Fluids.
Year: 1890

page_text: Date of Application, 25th Apr., 1890
Complete Specification Left, 11th Sept., 1890-Accepted, 11th Oct., 1890
PROVISIONAL SPECIFICATION.
New or Improved Means and Apparatus for Indicating the Fermenting
State or Condition of "Sponge" or Dough Preparatory to Baking
or Cooking the same, applicable also to Indicating the Fermenta-
tion of other Substances and Fluids.
I ARTHUR FREDERICK GARROOD of Violet House Hainault Road Leytonstone in
the County of Essex Baker and Confectioner do hereby declare the nature of this
invention to be as follows:-
31
This invention has first for its object the indication of the condition of "sponge"
or dough during the process of fermentation by giving an alarm signal by means
of an electric bell or otherwise. For this purpose according to one method of
carrying my invention into practice for indicating the condition of the "
or dough before making it into bread or other purpose I arrange an apparatus
sponge
(upon or near to the trough or vessel containing the "
sisting of lever arms mounted upon an axis the end of one of such lever arms
sponge or dough) con-
resting upon the surface of the dough when "set" in such manner that as the
dough rises the lever arm rises with it and when the dough sinks the lever arm
sinks with it and as it sinks a clawker is caused to act upon a toothed ratchet
wheel on the axis of the rising lever to raise the arm so that when the "sponge
has sunk to the desired extent the rising lever arm comes into contact with an
armature connected with suitable electro-magnetic apparatus in order to set a bell
ringing or to give any other suitable signal or alarm by electrical mechanical or
other means for the purpose of drawing the attention of the workman or operative
to the condition of the " sponge or dough so that it may not deteriorate from
neglect.
"
"
The apparatus may be so arranged as to be set for giving signals at different stages
or conditions of the "
sponge or fermenting dough as it rises or falls. For instance
if it is desired to give a signal when the
35
sponge rises for the second time the
apparatus may be so arranged that the rising and falling lever fails to act on the alarm
signal until the "sponge sinks for the second time. This I effect by means of an
adjustable weighted arm which automatically assumes such positions that it fails to act
on the signalling apparatus when the "sponge" rises and falls the first time but comes
into position when the "
sponge rises the second time so as to give the desired
warning signal.
"1
"
It will be evident that various contrivances may be devised for giving alarm signals
to indicate the condition of "sponge or dough consequently I do not limit my claim
o the precise means previously described for this purpose as the same may be
considerably varied without departing from the true character of my invention which
consists in giving alarm signals for indicating the condition of "sponge" or dough
fter it is
set.
It will be evident that by indicating the condition of the "sponge" by means of
ignals as hereinbefore described if such signals are attended to no risk is incurred
f the bread made from such dough becoming sour unless by neglect.
My invention may be adapted to brewing and other analogous processes of fermenta-
ion to which it may be found applicable.
Dated th
لبعد

page_text: COMPLETE SPECIFICATION.
New or Improved Means and Apparatus for Indicating the Fermenting
State or Condition of "Sponge" or Dough Preparatory to Baking
or Cooking the same, applicable also to Indicating the Fermenta-
tion of other Substances and Fluids.
I ARTHUR FREDERICK GARROOD of Violet House Hainault Road Leytonstone in
the County of Essex Baker and Confectioner 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 has first for its object the indication of the condition of "sponge" or
dough during the process of fermentation by giving an alarm signal by means of an
electric bell or otherwise. For this purpose according to one method of carrying my
invention into practice for indicating the condition of the "sponge or dough before
making it into bread or other purpose I arrange an apparatus (upon or near to the
trough or vessel containing the "sponge" or dough) consisting of lever arms mounted
upon an axis the end of one of such lever arins resting upon the surface of the dough
when "set" in such manner that as the dough rises the lever arm rises with it and
when the dough sinks the lever arm sinks with it and as it sinks a clawker is caused
to.act upon a toothed ratchet whee! on the axis of the rising lever to raise the arm
so that when the "sponge "has sunk to the desired extent the rising lever arm comes
into contact with an armature connected with suitable electro-magnetic apparatus in
order to set a bell ringing or to give any other suitable signal or alarm by electrical
mechanical or other means for the purpose of drawing the attention of the workman
or operative to the condition of the "sponge" or dough so that it may not deteriorate
from neglect.
*
32
"
The apparatus may be so arranged as to be set for giving signals at different stages
For instance
or conditions of the "sponge or fermenting dough as it rises or falls.
if it is desired to give a signal when the sponge
rises for the second time the
apparatus may be so arranged that the rising and falling lever fails to act on the alarm
signal until the sponge" sinks for the second time. This I effect by means of an
adjustable weighted arm which automatically assumes such positions that it fails to act
on the signalling apparatus when the "sponge" rises and falls the first time but comes
into position when the " sponge "rises the second time so as to give the desired
warning signal.
It will be evident that various contrivances may be devised for giving alarm signals
to indicate the condition of "sponge" or dough consequently I do not limit my claim
to the precise means previously described for this purpose as the same may be
considerably varied without departing from the true character of my invention which
consists in giving alarm signals for indicating the condition of "sponge
after, it is "set."
"2
or dough
It will be evident that by indicating the condition of the "sponge" by means of
signals as hereinbefore described if such signals are attended to no risk is incurred of
the bread made from such dough becoming sour unless by neglect.
My invention may be adapted to brewing and other analogous processes of fermenta-
tion to which it may be found applicable.
And in order that my said invention may be easily understood and readily carried
into practice I will proceed to describe the same with reference to the drawings
hereunto annexed.
DESCRIPTION OF THE DRAWINGS.
"
Figure 1 is a side elevation of the apparatus with the case in section, here the
or dough rises
apparatus is set so as to give an electric signal when the "sponge
once only:
.
Figure 2 is a plan with the lid of the case thrown back to show the parts of the

page_text: Figure 3 is a similar view to Figure 1 but here the apparatus is set to give a signál
after the second rising of the sponge" or dough the dotted lines showing an
intermediate position of the parts.
Figure 4 shows some of the parts separately...
Figure 5 is a similar view to Figure 3 here the parts are in the position when a
signal is being given..
Figure 6 shows the apparatus in position together with the bell and the battery.
Similar letters refer to the same parts in all the figures.
a is the box or case in which the.apparatus.is fixed it is.secured in position on the
trough by the bent arm a. bis.the lid which carries the contact pieces or armatures b¹.
c and d are two parts of the apparatus and are connected together as shown at
Figure 4. The part c carries a ratchet wheel c' and the part d carries two clawkers or
pawls d' d. c² care arms projecting from the part e and carrying between them the
pivoted weight c³ this weight carries an adjustable contact screw c by which electrical
contact is made with the contact pieces or armature b. e is an adjustable screw stop
shown in Figure 1. d² are arms projecting from the part d and d³ is a continuation
of these arms carrying the float d' which rests on the sponge or dough.
The action of the apparatus is as follows:-
27
The sponge or dough having been prepared in the ordinary manner and the
apparatus having been fixed so that the float d' rests upon its surface-when the
sponge or dough rises it carries the float up and it turns the part d carrying
the clawkers or pawls d' upon its centre the part cremaining stationary this goes
on until the " sponge or dough has risen its full distance it then immediately
commences to fall and in so doing the parts c and d become locked together by reason
of the clawkers or pawls taking into the teeth of the ratchet wheel c¹ the parts c and d
then turn on their centres as one piece and in so doing the screw c¹ comes into contact
with the contact pieces or armature b' as seen in Figure 5 thus completing an electric
circuit sounding the bell and giving the signal that the " sponge or dough has
risen to its full extent and has just commenced to fall.
2
"
Should it be desired to give the signal after the "sponge" or dough has risen the
second time I set the apparatus in the following manner.
I turn the weight c³ upon
its pivots until it is in frictional contact with the stop g as shown by Figure 3 then on
the falling of the "sponge or dough for the first time the screw c¹ misses the contact
pieces or armature and moves into the position shown by the dotted lines here it will
be seen the electric circuit is not complete-now when the " sponge" or dough com-
mences to rise for the second time the part c of the apparatus turns and the screw c
drops away from the contact piece or armature and falls into a position similar to that
shown by Figure 1 then the apparatus goes through a similar cycle of operations as
above described with reference to Figure 1.
The part d of the apparatus also carries a pivoted weight and adjustable contact
screw this may he used together with similar contact pieces or armature to those
previously described for giving any other signal desired such as to indicate the amount
of water in a cistern or for other purposes.
Tracing the direction of the current through the apparatus it takes the following
course starting from the battery at 1 to the coupling at 2 thence to the coupling 3 and
then to the bell at 4 and back to the battery from 5 to 6.
Having now particularly described 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 :-
"
"
1. The method of indicating the condition of sponge or dough or other
fermenting substances or fluids in rising or falling during the process of fermentation
by giving an alarm signal automatically by means of an electric bell or other suitable
apparatus substantially as described.
«
2. The means and apparatus for indicating the fermenting state or condition of
"
sponge or dough or other fermenting substance or fluid in rising or falling during

page_text: the process of fermentation by giving an alarm signal substantially in the manner and
for the purposes hereinbefore described and:qrepresented in the drawings hereto
annexed.
.at:
Dated this 11th day of September -1890.
T
TONGUE & BIRKBECK,
34, Southampton Buildings, Chancery Lane, London, W.C.,
Agents for the Patentee.