Improvements in Brick Presses, applicable also to Screw Presses for other purposes.
Year: 1895

page_text: Date of Application, 19th June, 1895
Complete Specification Left, 18th Mar., 1896-Accepted, 6th June, 1896
PROVISIONAL SPECIFICATION.
Improvements in Brick Presses, applicable also to Screw Presses
for other purposes.
I, JOHN BROOKS, of 5ª Jervoise Street, West Bromwich, in the County of
Stafford Pattern Maker, do hereby declare the nature of my said invention to be as
follows:-
-
My invention has for its object improvements in brick presses applicable also to
screw presses for other purposes by which considerable saving in time and power is
effected while by another part of my invention the bricks or other articles may be
inserted and removed with considerably less danger to the operators.
In carrying my invention into effect I form two fixed bearings upon a suitable
bed plate and mounted in these two bearings and running laterally across the bed
is the driving shaft bearing at each end a friction disc or bevil wheel. This shaft
has freedom to move longitudinally so that the disc wheels at each end can be
thrown in and out of gear or engagement with a bevil wheel or friction disc which
is mounted upon a shaft running lengthwise on the bed the said bevil wheel or
friction disc as the case may be being mounted upon a shaft between two fixed
bearings. This shaft is provided at one end with a left hand screw thread and at
the other with a right hand screw thread each of which engages with tapped
blocks or sockets formed upon slides at each side of the machine. The plungers
are attached to each end of the shaft the dies being arranged opposite, a rod and
catch is attached to each of the slides so that upon the return movement in each
case a bolt is pressed which acts upon a plate and forces out the brick or other
article as the plunger is drawn back. For reversing the machine a lever arrange-
ment is provided to engage with the laterally sliding shaft so that first the friction
wheel or bevil is engaged with the large one the other being free but upon the
lever being actuated the one on the other side is in engagement and the first
is free.
For the purpose of readily inserting the articles I provide a sliding cross table
on the bed upon which table the material to be pressed is placed the required
positions of the table being regulated by a stop at each end the action of insertion
and removal being as follows:-Supposing the machine to contain some finished
material, the table is drawn out to the limit of the stop on one side and the
unfinished material placed upon it in the required position and the return
movement of that end of the machine brings the finished article on to the other end
of the table which is then in front of the die. The table is then pushed back to
the limit of the stop on the other side which carries the unfinished material clear
of the mouth of the die and the raw material in front of the die ready for the
operation of the plunger which then takes place.
The double action of the machine may be obtained at one end by connecting one
end of a pivotted lever to the slide the other end of the lever being connected to a
second slide at the same end the pivot being intermediately between the two and it
will be readily seen that in such a case the slides at each end of the machine is not
required and that the one double end may then be arranged so as to work vertically
if so desired.
Doted thin 19th don of Tune 1905
F

page_text: COMPLETE SPECIFICATION.
Improvements in Brick Presses, applicable also to Screw Presses
for other purposes.
1, JOHN BROOKS, of 5* Jervoise Street West Bromwich in the County of
Stafford Pattern Maker, do hereby declare the nature of my said invention and in
what manner the same is to be performed to be particularly described and ascer-
tained in and by the following statement:-
:-
My invention has for its object improvements in brick presses applicable also to
screw presses for other purposes by which considerable saving in time and power is
effected while by another part of my invention the bricks or other articles may be
inserted and removed with considerably less danger to the operators.
In carrying my invention into effect I form two fixed bearings upon a suitable
bed plate and mounted in these two bearings and running latterally across the bed
is the driving shaft having at each end a friction disc or bevel wheel. This shaft
has freedom to move longitudinally so that the disc wheels at each end can be
thrown in and out of gear or engagement with a bevel wheel or friction disc which
is mounted upon a shaft running lengthwise on the bed the said bevel wheel or
friction disc as the case may be mounted upon a shaft between two fixed bearings.
This shaft is provided at one end with a left hand screw thread each of which
engages with tapped blocks or sockets formed upon slides at each side of the
machine. The plungers are attached to each end of the shaft the dies being
arranged opposite, a rod and catch is attached to each of the slides so that upon
the return movement in each case a bolt is pressed which acts upon a plate and
forces out the brick or other articles as the plunger is drawn back. For reversing
the machine a lever arrangement is provided to engage with the laterally sliding
shaft so that first the friction wheel or bevel is engaged with the large one the
other being free but upon the lever being actuated the one on the other side is in
engagement and the first free.
For the purpose of readily inserting the articles I provide a sliding cross table
on the bed upon which table the material to be pressed is placed, the required
positions of the table being regulated by a stop at each end the action of the
insertion and removal being as follows:-Supposing the machine to contain some
finished material the table is drawn out to the limit of the stop on one side and the
unfinished material placed upon it in the required position and the return
movement of that end of the machine brings the finished article on to the other
end of the table which is then in front of the die and the raw material in front of
the die ready for the operation of the plunger which then takes place.
The double action of the machine may be obtained at one end of a pivotted lever
to the slide the other end of the lever being connected to a second slide at the same
end the pivot being intermediately between the two and will be readily seen that
in such a case the slides at each end of the machine is not required and that the
one double end may then be arranged so as to work vertically if so desired.
In order that my invention may be more clearly understood I have annexed
hereunto the accompanying sheets of drawings upon which I have illustrated two
examples of carrying my invention into effect.
Figure 1, (Sheet 1) is a front elevation of a brick pressing machine constructed
according to my invention.
Figure 2 is part sectional end elevation of Figure 1 taken through the
line a-b.
Figure 3 (Sheet 2) is plan view of Figure 1.
Figure 4 (Sheet 3) is front elevation of another method of carrying my invention
into effect shown in diagram.
Referring to Figures 1, 2, and 3. A, A¹ are two fixed bearings in which the
driving shaft a² is mounted running at right angles to the bed B of the machine

page_text: and having at each end a friction disc a³ at. The said shaft a² is allowed to move-
longitudinally in its bearings so that the friction discs a³, a can be thrown in and
out of gear or engagement with the friction wheel B¹ secured to the shaft 2
running lengthwise on the bed B in suitable bearings b. The said shaft b³ is
provided at both ends with a right or left hand screw thread but I have shewn a
right hand screw thread which screw threads engage with tapped blocks
sockets E E or equivalents formed at the end of the plunger shafts or slides e², e
mounted in their bearings etes. The plungers e e are attached to the ends of the
said shafts e²e and the dies K K in which the bricks or other articles are pressed
are arranged opposite.
The action of the machine is as follows:-When motion is transmitted to the
driving pulley N which is mounted on the driving shaft a² the friction disc a³ will
cause the friction wheel B' to revolve in the direction of the arrow and consequently
the shaft 62 on which the said wheel is keyed the right hand screw thread at the
one end of the shaft 6 thereby drawing the plunger e out of the die K and the
right hand screw thread at the other end of the shaft 62 forcing the plunger e' into
the die K¹ thus utilizing both motions. The bricks or other articles which are
being pressed are forced out of the said dies K K¹ by means of a such like
arrangement as the plates and bolts k³ actuated by the rods and catches ** which
are pivotted at k on the top of the tapped blocks E E¹. The slots in which the
said pivots work allowing the block E E to travel a short distance before the said
rods and catches k move. To reverse the action of the machine the friction.
disc a' is brought into contact with the friction wheel B' by means of the lever P
which may be worked by the hand or a foot arrangement.
I would here remark
that there are many other methods by which the friction discs a³, a may be thrown
in and out of gear or contact with the friction wheel B' and also that other means
may be employed instead of the two friction discs and friction wheel for imparting
motion to the machine.
For the purpose of more readily inserting the articles I provide the usual bed B.
with two sliding cross tables M. M' upon which the material to be pressed is
placed, the required portions of each table being regulated by the stop pieces m², m³.
The action of the insertion and removal being as follows. Supposing the machine
to contain some finished material the table M¹ is drawn out to the limit of the
stop m² as shown at Figure 3 and the unfinished material placed on the other end
of the said table. When the machine begins to travel in the opposite direction the
plate brings the finished article onto the end of the table M' in front of the
die K. The said table M¹ is then pushed back to the limit of the stop m³ carrying
the finished material clear of the mouth of the said die K and bring the unfinished.
material on the other end of the said table M¹ opposite the mouth of the said die K
ready to be operated upon.
The double action of the machine may be obtained if desired as shown in
diagram on Sheet 3 Figure 4 so as to work in a vertical position. In this case
I pivot the lever or beam S to the framework of the machine and connect to one
end the plungers which reciprocates in the guides. The other end of the said
lever S is connected to the opposite plungers. One end of the said plunger sis
pivotted with a tapped hole which engages with the screwed end of the shaft W¹.
It will be easily understood that when the wheel W which is keyed on to the
shaft Wis revolved in the direction of the arrow the said shaft W₁ will cause the
plunger to travel upwards and the plunger s¹ downwards the arms which slide
up and down the pillars preventing the said plunger from revolving. It will
thus be seen that I utilize the back action or travel of my machines and thus obtain
nearly a double quantity of bricks or other articles in any given time.
Having now particularly described and ascertained the nature of my said inveu-
tion and in what manner the same is to be performed I declare that what I
claim is
The improvements in brick and such like presses consisting of a machine which

page_text: is practically a double one in most of the working parts so that the back stroke
which is always necessary in existing presses may be utilized to form or preparing
to form another brick or article substantially as and for the purpose herein set
forth and as shown upon the accompanying drawings.
Dated this 17th day of March 1896.
GEORGE BARKER,
77 Colmore Row, Birmingham, Agent for Applicant.