IMPROVEMENTS IN BRICKMAKING MACHINERY."
Year: 1874

page_text: LETTERS PATENT to Joseph Brunt, of Sawley, in the County of Derby,
Sewing Machine Manufacturer, and William Alfred White, of
Crown Buildings, Queen Victoria Street, in the City of London,
Gentleman, for the Invention of "IMPROVEMENTS IN BRICKMAKING
MACHINERY."
PROVISIONAL SPECIFICATION left by the said Joseph Brunt and
William Alfred White at the Office of the Commissioners of Patents,
with their Petition, on the 9th November 1874.
We, JOSEPH BRUNT, of Sawley, in the County of Derby, Sewing
Machine Manufacturer, and WILLIAM ALFRED WHITE, of Crown
Buildings, Queen Victoria Street, in the City of London, Gentleman,
do hereby declare the nature of the said Invention for "IMPROVEMENTS
IN BRICKMAKING MACHINERY," to be as follows:-
Our Invention relates to an improved arrangement for feeding and
discharging moulds in that class of machine where a piston or plunger.

page_text: is made to press into moulds, clay, or any other substance or material
requiring pressure.
This improved arrangement consists substantially in the following
particulars, and the exact details being given by way of explanation
thereof.
Firstly. We employ a revolving table having a number, say, four moulds,
placed in the four divisions of a circle equidistant apart; this table is
turned at intervals by means of a vertical shaft gearing with bevel
wheels on a horizontal shaft placed at the top and in a line with a shaft
and eccentric working a plunger or presser. These shafts are mounted
on a suitable frame, the eccentric shaft and plunger being actuated by a
large cog wheel on the eccentric shaft and a pinion fitted on to a driving
shaft which is placed directly underneath the eccentric or plunger shaft
at proper distance apart to suit the gearing of the large cog wheel with
pinion. On to the driving shaft we place a second pinion gearing into
a cog wheel secured to a tappet or cam shaft and working in suitable
bearings on the side of the frame, terminating under a revolving table.
This tappet or cam shaft is made to revolve one revolution to one of the
eccentric or plunger shaft. We secure a disc having four radial slots
or grooves, and also placed exactly a quarter of a circle apart. The
slots or grooves impart a quarter of a circle revolving movement to the
table by means of the aforesaid horizontal and vertical shafts, together
with a crank pin and roller fitted to an arm of the large cog wheel or
eccentric shaft, at each revolution of which the pin and roller come in
contact with one of the four slots on the disc, causing the table to move
one quarter of a circle and present a fresh mould to each descent
of the plunger or revolution of the large cog wheel and eccentric
shaft.
Secondly. We secure to the tappet or cam shaft two tappets or cams,
one to raise and lower a catch arrangement dropping in slots on edge
of the table in order to keep the revolving table in position during the
process of pressing the moulds. The second tappet or cam which is
secured at the end of the tappet shaft and under the margin of the table
is made to lift a bolt working in parallel slides, vertically and through
holes placed directly under the mould on the revolving table. By this
arrangement the brick or other material after being pressed in the mould
under the plunger is brought over the bolt by the revolving table, the

page_text: tappet or cam then lifts the bolt and relieves the brick out of the mould
ready again to be refilled with clay or other plastic material, the same
process-being effected by each mould in rotation, first, under the plunger
or presser, and then over the bolt to be relieved.
SPECIFICATION in pursuance of the conditions of the Letters Patent,
filed by the said Joseph Brunt and William Alfred White in the
Great Seal Patent Office on the 8th May 1875.
TO ALL TO WHOM THESE PRESENTS SHALL COME, we, JOSEPH
BRUNT, of Sawley, in the County of Derby, Sewing Machine Manu-
facturer, and WILLIAM ALFRED WHITE, of Crown Buildings, Queen'
Victoria Street, in the City of London, Gentleman, send greeting.
'
-
WHEREAS Her most Excellent Majesty Queen Victoria, by Her
Letters Patent, bearing date the Ninth day of November, in the year
of our Lord One thousand eight hundred and seventy-four, in the.
thirty-eighth year of Her reign, did, for Herself, Her heirs and suc-
cessors, give and grant unto us, the said Joseph Brunt and William
Alfred White, Her special licence that we, the said Joseph Brunt and
William Alfred White, our exccutors, administrators, and assigns, or
such others as we, the said Joseph Brunt and William Alfred White, our
executors, administrators, and assigns, should at any time agree with, and
no others, from time to time and at all times thereafter during the term
therein expressed, should and lawfully might make, use, exercise, and
vend, within the United Kingdom of Great Britain and Ireland, the
Channel Islands, and Isle of Man, an Invention for "IMPROVEMENTS.
IN BRICKMAKING MACHINERY," upon the condition (amongst others).
that we, the said Joseph Brunt and William White, our executors
or administrators, by an instrument in writing under our, or their,.
or one of their hands and seals, should particularly describe and
ascertain the nature of the said Invention, and in what manner the
same was to be performed, and cause the same to be filed in the Great
Seal Patent Office within six calendar months next and immediately'
after the date of the said Letters Patent.
1
NOW KNOW YE, that we, the said Joseph Brunt and William.
Alfred White, do hereby declare the nature of our said Invention, and in;

page_text: ”
what manner the same is to be performed, to be particularly described
and ascertained in and by the following statement:—
Our Invention relates to an improved arrangement for feeding and
discharging moulds in that class of machine where a piston or plunger
is made to press into moulds, clay, or any other substance or material
requiring pressure.
This improved arrangement consists -substantially in the following
particulars:-
Firstly. We employ a revolving table having a number, say, four moulds
placed in the four divisions of a circle equidistant apart. The table is
turned at intervals by means of a vertical shaft gearing with bevel
wheels on a horizontal shaft placed at the top and in a line with a shaft
and eccentric working a plunger or presser. These shafts are mounted
on a suitable frame, the eccentric shaft and plunger being actuated by a
large cog wheel on the eccentric shaft and a pinion fitted on to a driving
shaft, which is placed directly underneath the eccentric or plunger shaft
at proper distance apart to suit the gearing.of the large cog wheel with
pinion. On to the driving shaft we place a second pinion gearing into a
cog wheel secured to a tappet or cam shaft, and working in suitable.
bearings on the side of the frame, terminating under the revolving table,
this tappet or cam shaft being made to revolve one revolution to one of
the eccentric or plunger shaft. We secure a disc having four radial
slots or grooves, and also placed exactly a quarter of a circle apart. The
slots or grooves impart a quarter of a circle revolving movement to the
table by means of the aforesaid horizontal and vertical shafts, together
with a crank pin and roller fitted to an arm of the large cog wheel on
eccentric shaft, at each revolution of which the pin and roller come in
contact with one of the four-slots-on the disc, causing the table to move
one quarter of a circle and present a fresh mould to each descent
of the plunger or revolution of the large cog wheel and eccentric
shaft.
Secondly. We secure to the tappet or cam shaft two tappets or cams,
one to raise and lower a catch arrangement dropping in slots on edge of
the table in order to keep the revolving table in position during the process
of pressing the moulds. The second tappet or cam, which is secured at
the end of the tappet shaft and under the margin of the table, is made
to lift a bolt working in parallel slides vertically and through holes

page_text: "
placed directly under the moulds on the revolving table. By this
arrangement the brick or other material after having been pressed in
the mould under the plunger is brought over the bolt by the revolving
table; the tappet or cam then lifts the bolt and relieves the brick out of
the mould, ready again to be refilled with clay or other plastic material,
the same process being effected by each mould in rotation, first under
the plunger or presser, and then over the bolt to be relieved. A weight,
spring, or appliance to be fitted to keep the table so pressed up as to
be free to revolve, or frictional rollers or arrangements to the same effect
may be adopted.
Figure 6, view of eccentric shaft and plunger.
.
Figure 7, detail view shewing an arrangement for keeping the table
pressed up so as to be free to revolve.
In these Figures A represents the revolving table; B, the moulds
fixed to table (A); C, vertical shaft secured to and working table (A);
D and D¹, bevil wheels which drive the vertical shaft that propels
table (A); E, horizontal shaft to which bevil wheel (D') is secured;
F represents the frame or stand for the machine; G is the eccentric
shaft; G is eccentric on shaft (G) for working the presser or plunger;
H, plunger or presser worked by the eccentric (G¹) on shaft (G); I, cog
wheel attached to eccentric shaft; J, pinion which works cog wheel (I),
said cog wheel being attached to eccentric shaft (G) which works
plunger or presser (H); K, driving shaft to which pinion (J) is secured;
L, second pinion also attached to driving shaft (K); M, cog wheel
which is driven by pinion (L); N, tappet or cam shaft (fitting in
bearings (n) driven by cog wheel (M); O represents disc with four radial
slots a, a, a, a, said disc being secured to horizontal shaft (E); P, crank
pin and roller attached to the wheel (I). As said wheel revolves the.

page_text: .
pin and roller take into the grooves (a) on disc (O) successively;
imparting thereby a quarter revolution each time to the table (A) by
means of the bevel wheels (D) and (D¹) which are attached respectively
to the vertical and horizontal shafts (C) and (E); Q (Figures 1 and 3) is
çam attached to cam shaft. (N) used for lifting the brick out of the
mould (B); R, bolt working through table (A), said bolt having a
spring R. to bring it back to its position, when the cam allows it to fall.;
S, friction roller attached to end of bolt (R) by means of pin (S¹), `said
pin.sliding in guides (S) formed in portion of frame (S³) so as to ensure
the bolt (R) working vertically up and down, as same is actuated by the
cam (Q). The frame carrying this cam arrangement is secured to the
main framing (F) by bolts, or otherwise. T represents another cam also
attached to cam shaft (N); U is shaft hung on centre pin (U'), said pin
being secured to part (U³) which is attached by bolts to framing (F). The
shaft U, as the cam T presses on same; raises the shaft or spindle W:
which is attached to the opposite end of shaft U by pin W', said
spindle W being furnished with a spring W to bring the bolt to the
position required; X is bolt which is secured to spindle (W), said bolt
falling into the catches (x) on table (A) as same works round, said bolt
being fixed to frame (F) of the machine, as shewn. The cam (T).
pressing on the shaft (U) raises the spindle. (W) and with it the bolt X,
thereby lifting same out of catch (2), admitting the table (A) to make
a further quarter revolution; Y is fly wheel of the machine; Z is ratchett
and pall.
The machine may be driven by steam power by band pulleys attached
to driving shaft, as shewn in dotted lines in Figure 2, although the
Drawings show a handle K¹ by which same may be driven.
.6 and 6' (Figure 7) represent two weights hung on centre ċ attached to
framing (F) of the machine. The weight bis preferably heavier than 6¹,
so that it keeps 61 pressed against the vertical shaft (C), carrying
revolving table (A), and thereby allows the free revolution of said
table.
-
Having now particularly described and ascertained the nature and
object of our Invention, and in what manner the same is to be performed
or put in practice, we hereby declare that we claim the Invention of
improvements in brickmaking machinery, as the same is herein-
before described and illustrated by the accompanying Drawings, in
which Invention the combination of arrangement for working the
65

page_text: revolving table for imparting a quarter revolution to same, thereby
allowing the brick to be pressed by the plunger or presser, and also
enabling the removal of the brick that has been pressed, and the mould
to be refilled by hand or otherwise, are important and peculiar features,
it being understood that we do not limit ourselves to, nor do we claim
the precise details herein-before described and illustrated by the
Drawings, provided the substantial character of our said Invention be
retained and used.
In witness whereof, we, the said Joseph Brunt and William Alfred
White, have hereunto set our hands and seals, this Seventh day
of May, in the year of our Lord One thousand eight hundred
and seventy-five.