Improvements in Perfecting Typographic Printing Machines.
Year: 1889

page_text: Date of Application, 14th June, 1889
Complete Specification Left, 5th Apr., 1890-Accepted, 10th May, 1890
PROVISIONAL SPECIFICATION.
Improvements in Perfecting Typographic Printing Machines.
1, MARK SMITH, of the Manchester Guardian Printing Works, Cross Street,
Manchester, in the County of Lancaster, Printer's Engineer, do hereby declare the
nature of this invention to be as follows:-
This Invention relates to perfecting typographic printing machines and these
Improvements consist in the combination and arrangement with a reciprocating table
operated by a crank and traversing wheel, of an ordinary stop cylinder upon which
one side of the paper is printed, and an oscillating cylinder upon which the other
side of the paper is printed, together with devices for transferring the paper from the
stop cylinder to the oscillating cylinder and reversing it during the transfer, devices
for stopping and lifting the cylinders respectively, and apparatus and devices for
inking the formes, operating the machine and other purposes common to such
machines.
The paper is fed in the ordinary manner to the stop cylinder, from which it is
removed by a rotary gripper geared with the stop cylinder, after having received an
impression from the first forme. The rotary gripper reverses the paper and delivers it
ready to be received by the grippers of the oscillating cylinder on which it receives
an impression on the unprinted side from the second forme. The paper, now printed
upon both sides is removed by a continuously rotating gripper receiving its motion
from the crank shaft.
The oscillating impression cylinder is of smaller diameter than the stop cylinder,
and is geared with the rack on the reciprocating table so as to be continuously
rotated (but in alternately opposite directions) by the motion of the rack. During
the back stroke of the table, the oscillating cylinder is lifted out of contact with the
formes so as not to come in contact therewith.
Because of the smaller diameter of the oscillating cylinder, it makes more than a
complete revolution for each stroke of the table. The excess beyond the complete
revolution carries the grippers past the point at which the paper was received from
the transferring and reversing apparatus to or beyond the point at which the
paper is taken off, on the forward stroke; on the backward stroke, the oscillating
cylinder is restored to its initial position ready to receive the following sheet.
The stop cylinder is stopped by means of a catch and loose wheel operated by a
lever which is acted on by a cam at the proper intervals. The cam also lifts the
oscillating cylinder as required through the agency of suitable rods and levers and
it is held in the elevated position by a catch or locking device.
Dated this 14th day of June A.D. 1889.
WILLIAM E. HEYS,
Agent for the Applicant.
COMPLETE SPECIFICATION.
Improvements in Perfecting Typographic Printing Machines.
I, MARK. SMITH, of the Manchester Guardian Printing Works, Cross Street,
Manchester, in the County of Lancaster, Printer's Engineer, 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 relates to perfecting typographic printing machines and these
Improvements consist in the combination and arrangement with a reciprocating table
operated by a crank and traversing wheel of an ordinary stop cylinder upon which
one side of the paper is printed, and an oscillating cylinder upon which the other side
of the paper is printed, together with devices for transferring the paper from the
[Price 6d.1

page_text: stop cylinder to the oscillating cylinder and reversing it during the transference,
devices for stopping and lifting the cylinders respectively, and apparatus and devices
common to such machines for inking the formes, operating the machine and for other
purposes.
The paper is fed in the ordinary manner to the stop cylinder from which it is
removed by a rotary gripper geared with the stop cylinder after having received an
impression from the first forme. The rotary gripper reverses the paper and delivers
it ready to be received by the grippers of the oscillating cylinder on which it receives
an impression on the unprinted side from the second forme. The paper now printed
upon both sides is removed by a continuously rotating gripper receiving its motion
from the crank shaft.
The oscillating impression cylinder is of smaller diameter than the stop cylinder and
it is geared with the rack on the reciprocating table so as to be continuously rotated
in alternately opposite directions by the motion of the rack. During the back stroke
of the table, the oscillating cylinder is lifted out of contact with the formes so as not
to come into contact therewith.
Because of the smaller diameter of the oscillating cylinder it makes more than a
complete revolution for each stroke of the table. The excess beyond the complete
revolution carries the grippers past the point at which the paper was received from
the transferring and reversing apparatus to or beyond the point at which the paper is
taken off on the forward stroke; on the backward stroke the oscillating cylinder
is restored to its initial position ready to receive the following sheet of paper.
The stop cylinder is stopped by means of a catch and loose wheel operated by a
lever which is acted on by a cam at the proper intervals. The cam also lifts the
oscillating cylinder as required through the agency of suitable rods and levers and
it is held in the elevated position by a catch or locking device.
I will proceed to more particularly describe my said Invention with reference to
the accompanying drawings in which
Fig. 1 is a partially longitudinal section shewing the motions for stopping and
lifting the cylinders;
Fig. 2 is a side view;
Fig. 3 is an end view shewing the reciprocating table, racks and crank wheel;
Fig. 4 is a partial longitudinal section of the motion for opening the grippers;
Fig. 5 is a longitudinal section, and
Fig. 6 is a transverse section taken just behind the oscillating cylinder.
In each of the Figures similar parts or details are indicated by similar letters of
reference.
A is the stop cylinder which is constructed and operated in the same or in a similar
manner to that of an ordinary "Wharfedale" machine and to which the paper is
first led. B is a rotary gripper parallel with the stop cylinder and arranged to take
the paper therefrom after it has been printed on one side from the first forme. This
gripper is geared directly with the stop cylinder so as to rotate therewith but in the
opposite direction as indicated by the arrows Fig. 5. The gripper B is operated by
means of the cam D and lever D¹ in the ordinary manner so as to take up the paper
from the stop cylinder and deliver it between the endless tapes E E. F is an
oscillating cylinder similar in construction but of smaller diameter than the stop
cylinder, and on which the other side of the paper is printed from the second forme.
The paper is delivered to the oscillating cylinder by the endless tapes E E with the
side already printed downwards or next to the surface of the cylinder, and when by
the following rotation of the oscillating cylinder the paper has been printed on the
other side it is delivered to a second rotary gripper G parallel with and contiguous
to the oscillating cylinder. This rotary gripper is driven from the crank shaft of the
machine by means of the two pairs of wheels H and H¹ and the diagonal shaft I, and
it consequently rotates continuously in one direction. When the paper has thus been
printed on both sides the rotary gripper G takes it from the oscillating cylinder and
delivers it to the endless tapes J by which it is delivered to the flier J which is con-
structed and operated in the usual and well known manner.

page_text: The grippers of the two impression cylinders, that is to say of the stop cylinder
and of the oscillating cylinder respectively, are actuated by the ordinary and well
known devices. As shewn in the drawings Fig. 4, the gripper of the stop cylinder is
operated from the cam K by the lever K', and that of the oscillating cylinder from
the cam L by the compound levers L'. The grippers B which receive the paper from
the stop cylinder are similarly operated from the cam D through the lever D' as
hereinbefore described.
The stop and oscillating cylinders are respectively stopped and lifted out of contact
with the formes by means of the arrangements and devices shewn in Fig. 1.
The oscillating cylinder is geared with the rack on the reciprocating table in the
usual manner and rotates continuously in one direction or the other according to the
direction of motion of the table and when it is not printing it is lifted slightly so as
to move it out of contact with the formes. This operation is effected by means of
spiral springs below the bearings of the cylinder which normally tend to force it
upwards out of contact. Above each bearing there is a small cam M between two
steel plates so constructed and arranged that when its smaller diameter is vertical the
cylinder will be pushed upwards by its springs out of contact with the formes, but
when the larger diameter is vertical it will be forced downwards so as to be in contact
with the formes. The means by which the position of the cam M is altered so as to
lift and lower the oscillating cylinder are represented in Fig. 1 which also shews the
devices for lifting and stopping the stop cylinder.
N is a cam and O is an excentric mounted on the shaft N¹. The excentric is in
contact with and gives a to and fro motion to the lever P fulcrumed at P¹.
The
cam N gives a to and fro motion to the lever Q fulcrumed at Q. To the upper part
of the lever P there is pinned the horizontal rod R formed to an inclined plane at its
outer end which slides when the machine is in work upon the inclined plane R¹ in the
usual manner.
At the bottom of the lever Q there is pinned the horizontal rod $ the outer end of
which is weighted and rests upon a stop on the link T the upper end of which is
pinned to the rod R and the lower end to the bell-crank lever U on the end of which
there is formed a detent or catch to engage with and lock the disc V. On the shaft
of there are mounted the crank arms to one of which there is pinned a
vertical rod W the upper end of which is pinned to the arm W The other end of
the arm W is fixed upon the axis of the cam M so that vertical motion of the rod W
will rotate the cam to such an extent as to bring either its greater or less diameter
vertical and consequently to lift or lower the oscillating cylinder. The other crank
arm el has a pin which is capable of being engaged with a corresponding slot or recess
in the rod S.
The two inclined planes on R and R¹ respectively are put into and out of contact
with each other by the feeder in the usual manner by means of the cam r.
When the machine is out of work the rods R and S have a horizontal reciprocating
motion and the rod R and the bell crank lever are in the positions indicated by the
full lines, and the sliding of the rod R on the inclined plane at the end of each stroke
lifts the rod S through the link T and the stop thereon, so that at this time the slot
in S is out of engagement with the pin on and the detent is in engagement with
the disc which is thereby locked. During this period the stop cylinder is at rest
and the oscillating cylinder is out of contact with the forme. By the further
revolution of the cam N and excentric the end of the rod R slides down the
inclined plane, the rods R and S consequently are lowered, and the detent comes out
of engagement with the disc V whilst the slot in S engages with thereby giving
angular motion to the shaft on which is fixed. This motion is transmitted through
the rod W to the cam M and the oscillating cylinder is thereby forced down into
contact with the forme for printing.
The stop cylinder is operated in the same or in a similar manner and by similar
means to those employed in the ordinary Wharfedale printing machine.
In a double roval machine the stop cylinder may have a diameter of 12 inches.
The other sizes of machines will be provided with cylinders having a proportionate

page_text: relative difference in their diameters. The smaller diameter of the oscillating
cylinder causes it to make more than a complete revolution for each stroke of the
table. This excess beyond a complete revolution is equal to the distance between the
point at which the grippers of this cylinder receive the paper from the endless
tapes E E and the point where the rotary gripper G takes the paper from the
cylinder. This construction and arrangement causes the grippers of the oscillating
cylinders always to present themselves to the tapes E E for the reception of the paper
at the commencement of every forward stroke, and to the grippers G for the removal
of the paper at the commencement of every backward stroke of the table.
The rollers Y Y are for the purpose of cleansing the surface of the cylinder F and
preventing set off. They have their bearings in inclined slots arranged so that the
motion of the upper end of the lever may push the rollers out of contact or allow
them to fall into contact with the cylinder. The lever Z is operated by the, cam Z
in such a manner that the rollers Y Y are forced out of contact with the cylinder
when the paper is passing under them, and into contact therewith at other times.
In other respects also than those herein before described, the machine constructed
so as to include these Improvements may be constructed in the usual manner and be
provided with the crank wheels 1 1, connected by the rod 2 to the rack wheels 3 3
which gear with the racks on the under side of the reciprocating table 4; the ink
reservoir 5 5 with the inking and distributing rollers 66; the feeding table 7:
endless tape and cord rollers 88; the rack and pinion for actuating the flier J'; and
other parts and devices common to machines of this type.
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) perfecting typographic printing machine constructed and arranged sub-
stantially as herein before described with reference to the accompanying drawings.
(2) In a perfecting typographic printing machine; the combination and arrange-
ment with the stop cylinder of the-rotary gripper B, the endless tapes or cords EE,
the oscillating cylinder F, a second rotary gripper G, and a second set of endless
tapes J, substantially as and for the purpose herein before described and as illustrated
by the accompanying drawings.
(3) In a perfecting typographic printing machine; the combination and arrange-
ment with a reciprocating table operated by a crank and traversing wheel, of an
ordinary stop cylinder upon which one side of the paper is printed, an oscillating
cylinder upon which the other side of the paper is printed, and devices for transferring
the paper from the stop cylinder to the oscillating cylinder and reversing it during
the transfer substantially as herein before described and as illustrated by the accom-
panying drawings.
Dated this 2nd day of Auril AD 189N
WILLIAM E. HEYS,
Agent for the Applicant.