Year: 1896

page_text: Date of Application, 8th Oct., 1896
Complete Specification Left, 8th July, 1897-Accepted, 21st Aug., 1897
I, SAMUEL SIDNEY BROMHEAD, of 97, Newgate Street, London, England, Patent
Agent (communication from abroad), do hereby declare the nature of this invention
to be as follows:
Our improvements refer to printing machines using paper from uncut rolls and
consists in conducting the paper over loose intermediate rollers so that it can
he accumulated before being drawn on to the printing cylinder.
These rollers are so geared and connected by cords running over guide wheels
that they rise and fall simultaneously and uniformly.
The apparatus is furnished with a paying-out device consisting of two delivering
rollers, one over the other forming adjustable tension rollers, which are so con-
nected by gearing with the oscillating racks of the printing machine, as to revolve
with the needful peripheral velocity in order to supply the requirements of the
printing cylinder.
After leaving the printing cylinder the paper is conducted through a device of a
tensional character which is regulated by electro-magnets in such a way that
when a lever is drawn forward or backwards by the magnetic current it either
allows the paper to pass or stops its progress. The position of the contact disc
relative to each other correspond to the size of the Form to be printed.
A transporting device consisting of rollers geared together, which is driven by
an armature system fixed upon one shaft end of one roller, is in combination with
a loose magnet on same shaft, and is set in rotation by the machine in such a
manner that the rollers rotate during the printing and carry the web of paper
further; and stop when the printing ceases; the electro-magnet moving past the
armature system.
Dated this 8th day of October 1896
S. S. BROMHEAD,
97, Newgate Street, London, Applicant.

page_text: and in what manner the same is to be performed, to be particularly described and
ascertained in and by the following statement:-
The invention relates to a contrivance for use in connection with high speed
printing presses having a horizontal bed, and which are moved to and fro and is
intended for feeding the continuousband of paper from a roll. It consists in the
arrangement of a guide or conductor for the paper, the object of which is to collect
the paper from the roll in an accumulator; but to allow the paper during the
operation of printing to be taken from the accumulator at the same rate of speed
as that at which the printing cylinder rotates, without tearing. the paper.
In order that the object of the invention may be attained, the paper from the
roll is led over at least two loose rollers, which receive no impulsion from the
machine but are capable of moving upwards or downwards.
These rollers move towards and away from one another simultaneously and, at
the same speed. The paper is thus stored or accumulated, in order as required
to be removed by the printing cylinder as it swings forward, when the loose rollers
move toward one another, moving apart again, however, when the printing is not
actually being effected, and collecting fresh paper.
The accompanying drawing illustrates one form of the invention as applied to
a high speed printing press with one printing cylinder.
Fig. 1 shows an end elevation of my improved paper feeding apparatus with
the cylinder A and wheel H of the printing machine in section, and the bed B
and rollers 3, 4, 5, 6 in position with a supply of paper ready for printing.
"
Fig. 2 shows a similar elevation with the bed B at the end of its travel and the
rollers 3, 4, 5, 6 approached together, as they would be when the cylinder had
revolved and the printing had taken place.
Fig. 3 shows a side elevation of the apparatus without the cylinder or bed and
displays the pulleys R, R R R2 R3, the rollers 5, 6, the paper 0, and the support-
ing frame a. A is the cylinder of the printing machine, B is the bed of the printing
machine, c, d, are intermediate wheels, H is a pressure roller actuated by the
toothed rack of B by the wheels c, d, J is a fixed jaw, J' is a movable or loose jaw,
K is the paying out device, L L are guide rollers, N N¹ are friction rollers. O is
the paper band, P p are straps connecting the wheels R R 1, Rr are gear
wheels. Rare band pulley's fixed to shafts W, W, R22 are band pulleys fixed
to shafts w0, 201, W, WI are two parallel shafts.
, to are also two parallel shafts.
The Figures 3 and 5 in Figs. 1 and 2 are loose heavy rollers, Figures 4 and 6
are loose light rollers working in connection with 3 and 5.
The oscillating motion of the bed or flat type surface B is communicated to the
printing cylinder A by means of toothed racks placed on both sides of the said flat
surface, and the cylinder is raised and lowered alternately. The band of paper
is guided between, the printing cylinder A. and the flat surface B over guide
rollers L L, the last named being so arranged that when the printing cylinder is
raised the band of paper lies freely stretched without coming in contact with A
or B. The removal of the paper is effected by the pressure. roller H, which is
actuated by the toothed rack of the flat-surface B, by means of intermediate
wheels c, d, and is pressed against the printing cylinder A at the beginning of
the printing operation by means of a special apparatus not shown in detail, in order
to draw along the band of paper lying between A and H. On the opposite side of
the cylinder is a check or brake arrangement which is composed of a fixed jaw J
and a movable jaw J¹.
The latter is so actuated that the jaws J, J open; as soon as the pressure roller H
presses the paper band O against the printing cylinder A at the beginning of the
printing, but close again when the printing operation is concluded and the pressure
roller H removed from the printing cylinder.
The removal of the paper from the printing cylinder follows the intermittent

page_text: action of the printing cylinder at determined intervals, whilst the paper from the
rollers is constantly carried away by the rotating friction rollers N, N'. The
paper must thus be taken from the accumulator during the printing operation and
be accumulated again when no actual printing is taking place.
The accumulator in this instance consists for example of the loose rollers
3, 4, 5, 6 arranged as described below. On the firmly seated shafts W W, are
seated, besides two toothed wheels Rr, (Fig. 3) working one within the other,
the band pullies Rover which pass the guiding bands P p of the rollers 3, 4, 5, 6.
The rollers 3, 4, 5, 6 are coupled to one another thus:-The heavy roller 3 is con-
nected with the light roller 6, by means of the guiding band P over the band
pulley R¹ and the heavy roller 5 with the light roller 4 by means of the guiding
band' P, over the band pulley r. The band pullies R fixed to the shafts we to
serve for the accurate guiding of the rollers and keeping them straight, but they
may be dispensed with provided that the roller shafts are furnished with special
guides for the purpose. Owing to the difference in the weight of the rollers, and
the way in which they are coupled together, the heavy rollers are lowered and
the lighter ones raised simultaneously and evenly, and thus accumulate the
paper 0, taken from the roll by means of the friction rollers N and N1, whilst,
when paper is removed for the purpose of printing, the lighter rollers are lowered
and thereby the heavy rollers raised, owing to the tension of the paper band.
The working operations is as follows: At the moment when the horizontal
printing bed B (Fig. 1), moves in the direction of the arrow, the printing cylinder,
which up to that time has been in the raised position is lowered to the printing.
level by means of the usual mechanism. At this moment the pressure roller H
presses against the printing cylinder A and effects in combination therewith the
carrying along of the paper band 0. Simultaneously with the lowering of
the cylinder A the check or brake J J opens in order to allow a free passage to the
band of paper O. The first printing is now effected during a complete revolution
of the printing cylinder A, the paper accumulator being partially emptied, whilst
the rollers 3, 5 are raised and the rollers 4, 6 (Fig. 2) lowered.
The horizontal printing bed B, after the revolution of the printing cylinder A
is completed, occupies its left hand position in relation to the printing cylinder,
Fig. 2. In this position of the horizontal printing bed the check or brake J Ji
closes and holds the paper fast. The rollers 3, 4, 5, 6 fall and rise and collect a
further quantity of paper for the next printing.
The cylinder A is raised and the pressure roller H, moves away from it; the
printing cylinder A now being put out of contact with the paper band.
Upon the return of the horizontal bed or flat surface, and the swinging back
of the printing cylinder, the taking off apparatus H and the check JJ remain in
the position shown in Fig. 2 until the cylinder A is lowered at the beginning of
the printing and the described operation is repeated.
The printed band of paper is conveyed further by the intermittent action of the
conveying or transporting apparatus K.
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. An apparatus for accumulating the paper used with high speed printing
presses and supplied from a roll, in which, by means of two loose moveable rollers,
freely suspended and having no mechanical impulsion, but moving evenly and
simultaneously towards and away from one another, the paper is continuously
fed and accumulated, in order to be removed by the printing cylinder as required,
as herein described and set forth.
2. An apparatus for accumulating the paper used in high speed printing presses
with continuous feed, as mentioned in Claim 1, in which two pairs of rollers 3, 6
and 4, 5 of different weight run with their connecting bands P p over guide

page_text: wheels Rr rotating at an equal rate of speed, whereby the pairs of rollers are caused
to move evenly and simultaneously towards and away from one another, as herein
described and set forth.