IMPROVEMENTS IN MACHINES FOR THE MANUFACTURE OF CONFECTIONERY
Year: 1882

page_text: LETTERS PATENT to William Robert Lake of the firm of Haseltine, Lake,
"
and Co. Patent Agents Southampton Buildings, London, for an Invention of
"IMPROVEMENTS IN MACHINES FOR THE MANUFACTURE OF CONFECTIONERY
Communicated to him from abroad by Messieurs Thiele and Holzhause of
Magdeburg in the Empire of Germany
PROVISIONAL SPECIFICATION left by the said William Robert Lake at the
Office of the Commissioners of Patents on the 6th December 1882.
WILLIAM ROBERT LAKE, of the firm of Haseltine, Lake, and Co, Patent Agents,
Southampton Buildings, London, "IMPROVEMENTS IN MACHINES FOR THE MANU-
FACTURE OF CONFECTIONERY". [A communication to him from abroad by Messieurs
Thiele and Holzhause of Magdeburg in the Empire of Germany]
This invention relates to improvements in machines for the manufacture of
confectionery or sweet-meats, and more particularly such machines as are described
in the specification of former Letters Patent dated April 28th A.D. 1881 N° 1840.
The said invention consists in the construction of the said machine with a double
pressing lever instead of a single pressing lever as heretofore applied the said
double lever being provided with two connecting levers which are operated upon
by the same cam or excentric which imparts motion to the tension-rod connected to
the rocking-lever of the pawl and ratchet device described in the specification
above referred to. The said cam-actuated levers connected to the said double lever
for the purpose of imparting downward motion to the latter are provided with
rollers to run on the said cam or excentric, and the spiral springs, for imparting
upward motion to the said double lever are arranged within the guiding boxes for
the latter.
The receiving plate (upon which the sweet-meat pressed by means of the pressing
plate through the perforations of the fixed mould or pattern plate is deposited, and
which by means of a separate cam or excentric shaped in accordance with the
pattern of sweetmeat to be produced is moved in a vertical direction) is provided
with india-rubber buffers for the purpose of lessening the force of the blow when
suddenly falling down from its raised position
1

page_text: The pressing plate is loosely connected to the rack by means of a bolt which can
easily be pulled out so as to allow of taking off the said pressing plate in refilling
the box or receptacle with sweetmeat material.
The rocking lever is made adjustable by means of a set screw in order to allow
of varying the extent of its movement and that of the said pawl and ratchet
device connected to it. A double set of gearing is applied to overcome the strain
derived from using the said double pressing lever.
In order to effectually prevent any further dropping of the sweetmeat mass
through the perforations of the said mould or pattern plate after each act of
pressing, the said cam acting upon the said levers connected to the said double
pressing lever runs a little ahead of the cam imparting motion to the receiving
plate so that the springs for raising the double pressing lever will be relieved from
the pressure exerted upon them by the said cam-actuated connecting levers, and
throw upward the double pressing lever with the pressing plate a little before the
said receiving plate is dropped by the pattern cam.
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page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent filed
by the said William Robert Lake in the Great Seal Patent Office on the
26th May, 1883.
WILLIAM ROBERT LAKE, of the firm of Haseltine, Lake, and Co, Patent Agents,
Southampton Buildings, London "IMPROVEMENTS IN MACHINES. FOR THE MANU-
FACTURE OF CONFECTIONERY" A communication to me from abroad by Messieurs
Thiele and Holzhause, of Magdeburg, in the Empire of Germany.
This invention relates to improvements in machines for use in the manufacture
of confectionery or sweetmeats, and more particularly to such machines as are
described in the Specification of former Letters Patent dated April 28th A D 1881
N° 1840. by which improvements the said machine is caused to work more easily,
and numerous other advantages are obtained
In the accompanying drawing
Figure 1 is a vertical central section of a machine constructed according to this
invention
Figure 2 is a vertical central section of the same at right angles to Figure 1.
Figure 3 is an underside view, partly in section.
Figure 4 is a top view of the same, and
Figure 5 is a view of the different excentrics employed in the machine.
Similar letters of reference indicate corresponding parts throughout the drawing
The said improvements consist in the construction of the said machine with a
double pressing lever B. B₁ instead of a single pressing lever as heretofore applied,
the said double lever B. B¹ being provided with two connecting levers a a¹ which
are operated upon by the same cam or excentric g imparting motion to the tension
rod h connected to the rocking lever d of the pawl and ratchet device described in
the said former specification. The said cam-actuated levers a a³ connected to the
said double lever B. B₁ for the purpose of imparting a downward motion to the
latter, are provided with one or more anti-friction rollers u, to run on the said
cam or excentric g and the spiral springs ff, for imparting an upward motion to
the said double lever B B', are arranged within the guiding boxes oo for the
latter.
The receiving plate P (upon which the sweetmeats, pressed by means of the
pressing plate c, through the perforations of the fixed mould or pattern plate e,
are deposited, and which by means of a separate cam or excentric v shaped in
accordance with the pattern of sweetmeats to be produced, is moved in a vertical
direction,) is provided with india-rubber buffers r r for the purpose of reducing the
shock when suddenly stopped after falling from its raised position.
The pressing plate is loosely connected to the rack by means of a bolt t which
can easily be pulled out so as to allow of taking off the said pressing plate c in
refilling the box or receptacle C with sweetmeat material.
The rocking lever d is made adjustable by means of a set screw n in order to
allow of varying the extent of its movement and that of the said pawl and ratchet
device connected to it. A double set of gearing is applied to overcome the strain
derived from using the said double pressing lever B B¹
In order to effectually prevent any further dropping of the sweetmeat mass
through the perforations of the said mould or pattern-plate after each act of pressing,
the cam g acting upon the levers a a¹ connected to the said double pressing
lever, runs a little ahead of the cam v imparting motion to the receiving plate P,
so that the springs f f¹ for raising the double pressing lever B B₁ will be

page_text: relieved from the pressure exerted upon them by the cam-actuated connecting
levers a a' and throw upward the double pressing lever B B¹ with the pressing
plate c a little before the receiving plate P is dropped by the pattern cam v.
The box or receptacle C is intended for receiving the sweetmeat material, the
said box being closed at the top by means of the pressing plate cand at the bottom
by means of the pattern plate e. The pressing plate c is attached to a rack-bar z
working in the bifurcated head of the double pressing lever B B and the down-
ward motion of the said double pressing lever is produced by the cam or excentric g
and the connecting levers a a¹; the pinion y (journalled in the said bifurcated
pressing lever B B' and prevented by the said pawl and ratchet device from making
a retrograde movement) bring down the rack-bar and the pressing plate c
attached thereto.
The upward movement of the pressing plate is imparted, by the springs "f fl
arranged within the guiding boxes o'o of the double pressing lever B B the said
springs becoming depressed when the said double pressing lever B B' is moved
downward. The manner of arranging the springs ff within the guiding boxes o o'
presents the advantage that a more regular working of the machine is thus produced
and the springs are prevented from springing out,
In filling the box C with sweetmeat material the pressing plate c is simply
detached from the rack-bar by pulling out the bolt t. It being necessary that
the pressing plate c at every new pressure should always start from the point
where it stood at the end of the last pressure, feed mechanism is provided, the
same being actuated by means of the cam or excentric g. For this purpose a shaft
is journalled in the bifurcated part of the double pressing lever B. B', the said
shaft carrying the pinion y in gear with the rack-bar, and also the ratchet wheels,
the latter being turned by means of the pawl s¹ on the slotted ratchet lever s². The
ratchet-lever s² is connected with the tension rod engaging with the cam g by
means of the drawing rod m and rocking-lever d, the said rocking-lever d having
its fulcrum on the shaft of the set screw n. The cam or excentric g having
imparted a downward motion to the double pressing lever B B' and the latter
thereupon having been moved upwards again by means of the springs ff¹ the
said cam or excentric g begins to act on the tension rod h, thereby moving the
rack-bar z downward as far as is required for a new pressing.
The finished sweetmeats are taken out by withdrawing the, tin plate p previously
placed on the receiving plate P and removing the same together with the sweet-
meats thereon. The said receiving plate is actuated by means of a cam or
excentric having the exact outline of the shape of the sweetmeats to be produced
and, consequently, imparting a corresponding movement to the receiving plate P
through the pin i.
The receiving plate P is guided by means of the guiding rods / sliding in the
boxes 1, ', the said boxes being provided with the annular india-rubber buffers r
so as to reduce the shock when the receiving plate P drops.
It will be seen from the drawing that the cam or excentric g runs a little ahead
of the cam v, whereby the dripping of the sweetmeat material is effectually
prevented.
F
The double gearing employed in. this machine presents the advantage that it
facilitates the handling of the latter considerably as compared with other machines
as heretofore constructed.
By means of the above described machine I am enabled not only to produce
superior and cleaner goods but also to manufacture chocolate, sweetmeats which
was not possible with machines heretofore employed..
° i
J
Having thus fully described the said invention as communicated to me by my
foreign Correspondents and the manner of performing the same I wish it understood.
that I claim in a machine for manufacturing confectionery
First. The combination, with the pressing plate c, of the double pressing lever B B',
substantially as, and for the purpose, set forth,

page_text: Second. The springs ff¹ arranged within the guiding boxes o, o¹ of the double
pressing lever B B¹, substantially as, and for the purpose, set forth.
Third. The employment of one cam or excentric g for operating both the con-
necting levers a, a¹ and the tension rod h, substantially as, and for the purpose, set
forth.
Fourth. The employment of the annular india-rubber buffers r ' arranged within
the guiding boxes of the guiding rods for the receiving plate P, substantially
as, and for the purpose, set forth.
Fifth. The pressing plate c connected with the rack bar z by means of the bolt t
so as to allow of the said plate being more readily detached from the same,
substantially as, and for the purpose, set forth.
Sixth. The rocking lever d rendered adjustable by means of the set screw n, so
as to allow of producing a longer or shorter forward movement, substantially as,
and for the purpose, set forth.
Seventh. The combination, with the connecting levers a a¹, of the roller or rollers u
for reducing the wear, substantially as set forth.
Eighth. The combination, with the double pressing levers B B¹, of double gearing.
for overcoming the superior pressure intended to be produced by means of the said
double pressing lever, substantially as, and for the purpose, set forth.
In witness whereof I the said William Robert Lake, have hereunto set my
hand and seal this Twenty sixth day of, May in the year of our Lord
One thousand eight hundred and eighty three
WM BORT LAKE Gol