IMPROVEMENTS IN WEIGHING MACHINES WITH REGISTERING MECHANISM FOR EXACT QUAN- TITIES OF GRAIN OR OTHER MATERIAL IN SMALL PARTICLES AND IN POWDER, APPLICABLE ALSO FOR LIQUIDS
Year: 1879

page_text: LETTERS PATENT to Richard Simon, of the Firm of Louis Simon and Son, of .
Wilford Road Works, in the Town and County of Nottingham, Weighing
Machine Manufacturers and Engineers, for the Invention of "IMPROVEMENTS
IN WEIGHING MACHINES WITH REGISTERING MECHANISM FOR EXACT QUAN-
TITIES OF GRAIN OR OTHER MATERIAL IN SMALL PARTICLES AND IN POWDER,
APPLICABLE ALSO FOR LIQUIDS." A communication from abroad by Eduard
Reisert, residing at Cologne, in the Empiro of Germany.
COMPLETE SPECIFICATION filed by the said Richard Simon at the Office of
the Commissioners of Patents on the 30th June 1879.
RICHARD SIMON, of the Firm of Louis Simon and Son, of Wilford Road Works,
in the Town and County of Nottingham, Weighing Machine Manufacturers and
Engineers. "IMPROVEMENTS IN WEIGHING MACHINES WITH REGISTERING
MECHANISM FOR EXACT QUANTITIES OF GRAIN OR OTHER MATERIAL IN SMALL
PARTICLES AND IN POWDER, APPLICABLE ALSO FOR LIQUIDS." A communication
from abroad by Eduard Reisert, of Cologne, in the Empire of Germany.
This Invention relates to special details of apparatus in combination by which
grain or other material in small particles and in powder can be weighed entirely
automatically, and without needing labour or power, the material running or
flowing into and from the machine, each weighing being registered on an index
before leaving the machine. By a modification the apparatus is applicable for
weighing liquids.
The Invention will be clearly understood by the accompanying Drawings.
Sheet 1, Figures 1, 2, and 3, are the principal positions of the mechanism of the
machine; Figure 4, a front view of the machine. On an equal armed fork shaped
scale beam A is suspended on the one end by means of two rods a, a, a metal
vessel B for the reception of the corn or other material, and on the other end a
weight C. The vessel B is of sufficient capacity to contain 20, 40, or 100 lbs., &c.,
of corn. The weight C is correspondingly heavy. The scale bean A has on the side
of the weight C enough extra weight to balance the weight of the box B.
The corn to be weighed flows in through the funnel or hopper T into the box B
at first in a thick stream, then (through the partial closing of a valve or flap)

page_text: continually diminishing, and finally only dropping a few grains at a time until the
exact weight of 20, 40, or 100, lbs., &c., has been obtained. When this is done the
machine suddenly closes the supply, and empties the vessel B. Immediately after
this emptying the discharging flap of the box B closes, the inlet flap opens, and the
process is repeated.
Every discharge of the machine is registered on the index, so that the amount
weighed can at any time be ascertained by reference to the dial. The gradual
reduction and complete closing of the supply are produced in the following
manner: The axis F consists of two parts p, q, divided at r. On the part p are
fixed the flap E and the catch D, on the part q are fixed the lever Z and the catch f
connected therewith. The flap E has two semi-circular openings a, e, and beneath
these a bar h is furnished with brushes. On the fork shaped scale beam A is fixed a
metal plate L
When the receiving vessel B is empty the beam A holds up the flap E and the
lever Z. The corn coming from the hopper or funnel T flows in a thick stream
into the vessel B, Figure 1. Thereon the machine is set in motion, arriving in the
position shown in Figure 2. The flap E rests on the stud v. The left arm of the
beam A is thus relieved of the weight of the flap E, and also of that of the weight
of the lever Z, as this latter hooks itself into the hook x. It is therefore necessary.
before the machine can make another movement that a further supply of corn
should enter the receptacle B to compensate for the effect of these two parts. The
flap E has closed the access of the corn except by the half round openings e, e.
Through these openings e, e, the corn passes into the box B until the weight 40, 60,
or 100 lbs., &c., has been attained; the weighing machine again comes into motion.
The metal plate L closes the supply through the half round openings e, e, by passing
over the brushes h on the flap E. The stud c of the weight C strikes on the
hook x, by which means the lever Z is released, and falling forwards produces the
opening of the bottom flap, and consequently the emptying of the vessel B
(Figure 3).
The bottom of the receptacle is formed by a flap I turning on the axis í. A bow
shaped piece V turning on the stud m is connected with the flap I by means of the
lever K and the connecting piece R. When the box B is closed the flap I cannot
open of itself when corn is filled in because the points 1, 2, and 3 do not lie in a
straight line, but the point 2 lies somewhat lower and thus forms an angle. The
point 2 cannot go further down because the bow shaped piece V rests on the stud w,
but when the lever Z strikes the bow shaped piece V at the point y the point 2
moves upwards, whereby an angle upward is formed, and the corn forces the flap I
open, as shown in Figure 3; the vessel B is then emptied. When the corn is run
out the scale beam A, being now unequally weighted with the weight C, presses (by
means of the thumb pieces Q and D) the lever Z and the flap E into their original
positions. Hereby the lever Z presses on the bow shaped piece V at the point S,
and closes the flap I before it can get past the point S. Not until the lever Z can
get past the points, and thus close the flap I, can the machine proceed to open the
feed supply. The whole mechanism returns to the position shown in Figure 1;
the access of corn is not hindered, and the action of the machine begins.
If the flow of corn away from the machine is checked underneath, the flap I
remains, after opening, stuck fast in the corn, and the machine is at a stand until
sufficient corn has passed away to liberate the flap I. Firmly connected with the
thumb piece, and consequently also with the flap E, is a catch G, which has for
its object to arrest the motion of the machine if large foreign bodies contained in
the corn, such as pieces of wood, etc., get fast in the inlet and hinders the working
of the flap E. If the flap E cannot close, then the hook G, as it cannot move out
of the notch o of the scale beam A, hinders the downward motion of the machine,
and thus makes repeated incorrect weighings and emptyings of the vessel B
impossible.
Sheet 2 (of which the following is a description) shows the arrangement of the
automatic weighing machine, when it is intended to use it for rapid and exact filling

page_text: of corn sacks with a previously determined weight. The manipulation and working
of the balance are described in the following.
Figure 5 is a front view; Figure 6 shows several parts of the mechanism in plan.
Figure 7 shows a section on the line 1, 2, of Figure 5; and Figure 8, a front view
of the frame, and the lever fastened thereon.
On an equal armed but not fork shaped scale beam A hangs at one end a short
metal cylinder B on which the sacks S required to be filled are fastened by means
of a so called buckle or catch. At the other end of the scale beam hangs a scale O
for the reception of the weight Q (The cylinder B and the scale O are in equi-
librium on the scale beam A.) The machine is required to allow just so much corn
to pass into each sack as shall be exactly equal to the weight Q on the scale C.
The corn to be sacked is poured or allowed to pass from an upper story, or in any
other suitable manner, into the funnel T. The passage t leads from the funnel T
into the cylinder B. The flap E moves in front of the passage t, and is fastened on
the lever turning on a stud h. The flap E has two semi circular openings e, a
and on the arm F is a small runner g. The passage t of the funnel T is furnished
with a brush u. An angle shaped lever K turning on the axis p catches with its
fork shaped endi in one position of the machine on the two studs b, b, of the
cylinder B. The runner r of the lever R acts on the angle lever K by means of
the axis m with the lever M. A metal tongue or plate L is fixed in the metal
cylinder B.
Assuming that the lever M has been placed by the attendant in the position of
the dotted lines m, x, then the angle lever K by means of the runner r of the
lever R is in the position shown by dotted lines p, z, and the lever R rests on a
catch n on the frame N, the direction p, s, being perpendicular to the direction m, y,
therefore when the hand of the attendant releases the lever M all the levers will
remain in their position. The two studs b, b, and therewith the cylinder B are
held in their lowest position by means of the angle lever K. In this position of
the scale beam and mechanism the flap E rests on the brush u, and the lower edge
of the metal tongue L presses underneath the point of the brush u; therefore the
feed of the corn out of the funnel T is completely closed.
The attendant attaches an empty sack on the sack holder on the metal cylinder B,
and turning over the lever M brings that into the position m, a, through which the
lever R comes into the position m, y', and the angle lever K into the position p, s'.
Consequently the weights Qmove the scale beam A into an oblique position.
The scale moves downwards and the metal cylinder with sack S attached upwards
until the studs b, b, rest on the angle lever K; the scale beam presses on this
runner g, and thus holds the flap E up. The corn runs in a thick stream from the
funnel T through the passage t over the brush u into the sack S, which is attached
to the cylinder B. After a time the balance is set in motion by the weight of the
corn running into the sack. The metal cylinder B with the sack S attached moves
downwards, as does also the flap E, until it rests on the brushes u, which are attached
to the funnel T.
In consequence of the flap E resting on the brushes u, and consequently of the
runner g no longer acting on the scale beam, the motion of the machine is arrested.
By resting on the brushes u, u, the flap E has closed the supply of corn except
through the two semi-circular openings e, e. Through these two openings e, e, the
corn enters the sack in two thin streams so much as to balance what the effect of
the flap E on the scale beam amounted to previously. After equilibrium has been
restored by means of this supply in thin streams the machine again comes into
motion, and the metal plates L in the cylinder B cuts off the supply of corn com-
pletely by pressing (at the descent of the cylinder B) against the brush u. The
attendant then throws the lever M back into the dotted position m, a, and thus
stops, by pressing down the studs b, b, the scale beam A. He removes the filled
sack, attaches an empty one, and then brings the lever M into the position m, a².
The scale beam A. returns to its original position, and presses by means of the
runner 7 and the arm of the flap E up again, and thus opens the supply so that the .

page_text: Back now attached is filled. The scale beam rests on a stand N, to which all
the levers named and a numbering arrangement V are attached. The numbering
arrangement V is moved by the lever L, which is attached to the lever M; conse-
quently every sack is registered on the dial of the counter.
Sheets 3 and 4 shows the arrangement of an automatic weighing machine for the
weighing of liquids. This weighing machine is much like that for corn shown on
Sheet 1. The chief difference consists in the use of valves in the inlet mechanism
and for the purpose of closing the receptacle for the liquids, and further also in
several other essential arrangements, as shown by the following description :-
On Sheets 3 and 4 Figure 1 is a section of the machine; Figure 2 is a side view
thereof; Figure 6 is a ground plan thereof; and Figures 4 and 5, principal
positions.
A is the forked shaped scale beam B, the receptacle for the liquids. The recep-
tacle B is held in equilibrium by and on the scale beam, which is considerably
strengthened at the part where the weight C hangs; Cis the weight corresponding
to the required filling or charge. The liquid to be weighed flows out of the pipe T
into the valve box D. In this case, as in that of the corn weighing machine, the
Blow into the receptacle B is first rapid, and then reduced to a very thin stream,
and as soon as the exact weight has been attained the feed is stopped. The rapid
inflow, the reduction thereof, and its complete closing in this case are produced
by means of the double seated valve E, and by means of the small valves Ĺ and M,
which are connected together. On the axle F is fastened the lever Z with the
arm G, the runner g, and the two arms O and O¹. The two connected valves
Land M are lifted by the cross head K, and this cross head K by the two
rods a, a.
Figure 4 shows that when the valves L and M are completely lifted the double
Beated valve E is also lifted, because the valves L and M have a guide rod I, with
which is connected a step e, which strikes against the double seated valve E, and
raises it.
Figure 4 shows the relative position of the mechanism when the liquid recep-
tacle B is empty. The scale beam A, weighted unequally by the weight C, presses
on the runner g of the arm G, and thus lifts the lever Z and also (by means of the
cross head K and the two arms 0, 0¹,) the valves L and M, and also the double
seated valve E. The liquids flows out of the pipe T through the valve E into the
valve box D, the outlet d of the valve D being held closed by the small valve M.
The liquid rises in the valve box D until it reaches the upper edge u of the
overflow pipe U, from which it passes into the receptacle B until the balance is set
in motion, that is, when it passes from the position shown in Figure 4 to that shown
in Figure 1 and 2. As the balance passes into the last named position the two
rods a, a, on which rests the cross head K, permit the valves L and M, and with
these also the double seated valve E to descend. The double seated valve closes
and thus cuts off the further access of liquid out of the pipe T; the lever Z, which
rested by means of the runner g on to the scale beam, has caught in the notched
lever; the valves L and M, which are connected with the cross head K, have
descended until the two ends rest on the two arms O and O¹.
The outlet & of the valve box D is opened, and the liquid still contained in the
valve box flows through the outlet d into the receptacle B until exactly so much
has run in as to restore the equilibrium of the scale beam, which is again set in
motion. The stud c on the weight C presses the catch, and the lever Z is
released; this as well as the runner g and the two arms O and O' fall forward;
the two valves L and M, which are connected with the cross head K, rest on the
arms O and 0¹, lose their support and descend, so that the valve L closes the outlet d
of the valve box D. The emptying of the receptacle B is produced by the valve I;
this valve I is connected with the lever P by means of the stud i.
The lever P is connected by means of the stud p with the lever Q, and this one
Qis connected by means of the link R and the two studs r and
with the

page_text: The opening and closing of the valve I is performed in the same way and
manner as has been described with reference to the automatic weighing for corn
on Sheet I.
The cut off depends here also on the application of an angle 1, 2, and 8. Figure 5
shows how the lever Z in descending has opened the valve I. The liquid flows from
the receptacle B into a box W, out of which it again passes by the outlet w, and
through the cock Y out of the apparatus. In the chamber W rests a float N, which
turns on the centre n. When the liquid arrives in the box W from the receptacle B
the float rises. The lever p is angle shaped, and when the valve I is opened its
lower end catches with its lower end on the catch b on the float N, which has risen
immediately on the influx of the liquid. When the greater part of the liquid has
passed out of the receptacle B the scale beam A presses on to the runner g of the lever
Z, which in its turn presses on the runner s of the crescent shaped lever V, tending
to close the valve. Not until the liquid has so far run out the chamber W through the
cock Y that the float N has fallen low enough to release the catch of the lever P
can the lever Z close the valve I, and after passing the points of the segment V
return to its original position, as shown in Figure 4.
As the lever Z passes into the position shown in Figure 4 the scale beam A
returns into its position, as also do the receptacle B attached thereto and the
weight C.
The scale beam A, by means of the two rods a, a, and the cross head K lifts the
two small valves L and M and the double seated valve E. The small valve M forms
at the same time a stop for the return motion of the balance, and this closes the
lower outlet d of the valve box D. When the double seated valve E is opened the
liquid flows into the valve box D as the outlet D is closed. The liquid fills the space D
up to the rim u of the overflow pipe U. Through this pipe U the receptacle B is
again filled, and the action of the mechanism is repeated as before. Each emptying
of the receptacle is registered on the dial of the counter a. Through the peculiar
arrangement of the two small valves Land M, and by the application of the overflow
pipe U, the result is obtained that the pressure under which the liquid is led to the
weighing machine does not influence the exactness of the weighing, because every
filling of the receptacle is done after the closing of the double seated valve E by
the flow into the receptacle B through the outlet d from the valve box D of the
liquid contained therein, which is cut off by the valve E from the liquid under
pressure.
The employment of a float N has for object to render possible the complete
emptying of the receptacle B, even for viscid liquid such as oil.
By means of opening the cock Y more or less it is easily possible toregulate the
time in which the liquid shall be emptied from the chamber W, and consequently
also the time in which the float R sinks sufficiently to release the lever P so that
the valve I may close.
The time to be allowed for the liquid to drip from the sides of the chamber W
can thus be entirely regulated by means of the cock Y.
It is of course clear that even when the cock Y is fully opened the weighing
apparatus would not be set in motion whilst any other obstacle to the outflow
existed, so that it would be put out of operation until the obstacle had been removed
and sufficient of the liquid had escaped to allow the receptacle B to again empty
itself completely.
Having now described the nature of the said Invention, and in what manner the
same is to be performed, I declare that I claim as the Invention communicated to
me as aforesaid,-
First. The peculiar construction and arrangement of the flap E with the inlet for
decreasing and finally shutting off the inflow of grain to the receiving vessel (said
flap E being furnished with one or more openings) as described, either by the action
of the scale beam itself, or by means of the scale hanging on the beam (by means of
the metal plate Lof tho sack weighing, shown on Sheet IL) without any intervening
mechanism, the friction of which would affect the exactness of the balance.

page_text: Secondly. The employment of brushes attached to the flap E (Sheet I.) beneath
the half round openings & in the manner and for the purposes described.
Thirdly. The striking lever Z, which (after the emptying of the receptacle for
corn, liquid, etc.) is lifted and hooked fast, and thus serves to store power in as..
much as it is released at a suitable moment (that is, after the weighing has been
completed and the inlet entirely closed) and striking on the curved lever V causes
the opening of the receptacle, as set forth.
Fourthly. The peculiar method of closing the receptacle by forming an angle or
knee joint, as shown, on the corn weighing machine (Sheet I.), and on the weighing
machine, for oil (Sheets 3 & 4) by means of which is produced, a,-the opening and
closing of the bottom flap of the receptacle (or the valve) by means of the striking
lever Z, from which the following results are obtained: 6,-the opening of the inlet
before the complete closing of the bottom flap of the receptacle (or the valve) is
prevented; c, the motion of the balance is arrested (in the event of the corn or
liquid weighed not being able to flow away) until the obstacle is removed.
Fifthly. The combination of appliances in an automatic weighing machine for
liquids, as set forth, and as shown on Sheets 3 and 4 of the annexed Drawings, to
allow the thin stream of liquid required to attain the exact weight to flow out of
the small reservoir D into the receptacle B, which reservoir is refilled immediately
on the opening of the main inlet valve E, but before the commencement of the thin
stream above referred to is cut off from the other part of the liquid to be weighed
by means of the inlet valve E; and also the method of filling the reservoir by
means of an overflow pipe U, or by any other means of placing the large overflow
opening u high, as described.
Sixthly. The employment of a float N, by or on which the valve lever P is held,
to keep the receptacle B open until the weighed liquid has sufficiently run out of
the chambr W, and for the purposes, a, to prevent the weighing machine acting in
case the discharge is hindered until the obstacle bas been removed; b, to keep the
valve I open by means of suitable regulation of the cock Y so long as may be
required for the complete dripping of the liquid out of the receptacle B.
Seventhly. The peculiar combination on the weighing machine for filling sacks of
corn of the levers M, R, and K, for the purpose of enabling a workman to stop the
working of the machine until the filled sack has been removed, and an empty one
substituted.
In witness whereof, I, the said Richard Simon, have hereunto set my hand
and seal, this Twenty sixth day of June, in the year of our Lord One
thousand eight hundred and seventy nine.