An Improvement in Printing Presses.
Year: 1894

page_text: Date of Application, 14th NOV., 1094
Complete Specification Left, 24th Jan., 1895-Accepted, 2nd Mar.,
1895
TRUVIDIONAL
An Improvement in Printing Presses.
I, WILLIAM ANDREWS KELSEY, of 62, South Colony Street, Merriden, in the
State of Connecticut, United States of America, Manufacturer, do hereby declare
the nature of this invention to be as follows:-
My invention relates to an improvement in printing presses of the kind known
as bed and platen presses, and it has for its object to enable the bed to be more
readily cleaned of the rust and dirt which is liable to accumulate upon it, to
facilitate "underlaying," and to enable a form which has worked loose on the press
to be handled safely.
"
In such presses the bed on which rests the form to be printed has heretofore
been secured in such manner that it is not removable, and my improvement is
designed to render the bed easily removable with a view to facilitate cleaning
and to enable the bed with the chase clamped upon it to be transported to a
convenient place for the purpose of underlaying" the form, or of locking up
afresh a form which has worked loose, the bed serving as a support for the loose
pi" of the
type when removing the chase from the press thus avoiding making a
form. This facility for removal is obtained by supporting and securing the bed
itself in much the same way that the chase is secured to the bed, that is to say
the bed is held against a support or supports which receive the thrust of the platen
by the lower edge of the bed resting in a notched ledge or in notches at the lower
ends of the ribs forming the back supports, pivoted hooks similar to chase hooks
being provided to engage with the upper edge of the bed or of the bed and chase
to hold it in position and admit of it being readily lifted out.
For convenience in handling the bed the guide rails for the iuking rollers are
attached to the bed so as to be removable along with it and serve as handles in
lifting it, or the bed alone might be removable, the rails being fixtures.
AL 14 in of November 1891
A. M. & WM. CLARK,
53, Chancery Lane, London, Chartered Patent Agents.
An improvement in
I, WILLIAM ANDREWS KELSEY, of 62, South Colony Street, Merriden, in the
State of Connecticut, United States of America, Manufacturer, 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 :-
My invention relates to an improvement in printing presses of the kind known
as bed and platen presses in which the chase holding the form of type is fixed to.
a bed in a vertical or nearly vertical position and the invention has for its object
to facilitate "underlaying "; and to enable a "form" of type which has worked
loose to be removed from the press with safety; and to enable the bed to be more
readily cleaned of any rust and dirt that may accumulate upon
it.

page_text: In such presses the bed (against which rests the form of type to be printed
from) has heretofore been secured to the frame in such manner that it is not readily
removable, and my improvement is designed to enable the bed to be easily removed
and with the chase clamped upon it to be transported to a convenient place for the
purpose of "underlaying" the form, or for the purpose of locking up afresh a
form which has worked loose, the bed serving as a support for the loose type when
removing the chase from the press, thus avoiding making a "pie" of the form.
This facility for removal also enables the bed to be more perfectly cleaned, than
when the bed is a fixture in the frame of the press. The object in view is obtained
by supporting the bed and securing it to the frame in much the same way that the
chase is now secured to the bed, that is to say the bed is held against ribs or other
supports formed on the frame of the press, the lower edge of the bed resting in
notches formed on the back supports for the bed, pivoted hooks (or equivalent
means) being provided to engage with the upper edge of the bed to hold it in
position and admit of it being readily lifted out.
For convenience in handling the bed, the guide rails for the inking rollers are
attached to the bed so as to be removable along with it and serve as handles by
which to lift it. Or the bed alone might be removable the rails being fixtures to
the frame.
Reference is to be had to the accompanying drawings, which illustrate an
example of the method of carrying my invention into effect, wherein
Figure 1 is a side elevation; Figure 2 is a half front half rear elevation;
Figure 3 is a top plan; Figure 4 is a horizontal section, on line 4-4 Figure 2;
and Figure 5 a central vertical section of my removable bed.
"
The same letters of reference denote like parts in all the figures.
A is the "form of type to be printed from, held in the chase which is of
the usual construction and is secured to the bed B in the manner usual in such
presses, by the bevelled lower edge c of the chase resting in an undercut ledge b
formed on the bed B, a hook D mounted on the bed engaging with the upper edge
of the chase which is clamped securely to the bed, this hook D being preferably
spring actuated so as to maintain the connection in any position in which the bed
may be placed when removed from the press with the "form"
The
bed B is a casting formed of a truly planed plate with ribs r at back to give it the
upon it.
necessary stiffness. It is supported in position against the side frames F by
bevelled lugs e formed at the lower corners of the bed resting in corresponding
undercut notches E formed on the frames F, the thrust of the platen being resisted
by the back of the bed abutting at against the side frames F and the bed being
held in position by any suitable means, such for instance as hooks G pivoted at g
to the side frames F and caused by springs g' to engage by their hooked ends g
with the upper edge of the bed. H are the guide rails for the inking rollers.
They are of the usual form but they are cast in one with, or are attached to, the
bed B from the sides of which they project in position to act as guides for the
inking rollers and also to form convenient handles by means of which to lift
the bed in and out of position on the press and transport it with the chase and
❝ form
upon it. To further facilitate this lifting action, it will be obvious that 4
any of the outer ribs R of the bed B may be, as indicated, so formed as to provide
means of readily grasping the bed.
دو
I have illustrated the bed B as resting on two notches E, one near each lower
corner, and as abutting against the frames F only at the four points f but it will
be evident that the removable bed might be a plaiu flat plate provided with the 5
roller guides H, and interposed as a false bed between the form A and a fixed bed
which may, for example, be represented by the ribs r
the side frames F. In this case the removable bed B, instead of merely resting
permanently attached to
on two notches E at the lower corners, may rest in an undercut ledge (similar to
the ledge b in which the chase rests) and extending quite across the face of the 5
permanently fixed bed represented by the ribs r.
I have also supposed the side frames F to be part of the stationary framework

page_text: of the press, but in certain kinds of bed and platen presses the bed is carried by a
pair of lever arms in order that the form of type may receive a slight motion
towards the platen at the moment when the impression is made. It will be evident
that my removable bed is applicable to such presses as well as to those in which
the bed is quite stationary.
Having now particularly described and ascertained the nature of the said inven-
tion, and in what manner the same is to be performed, I declare that what I
claim is :-
1. In a printing press of the bed and platen kind, attaching the bed to the
press substantially in the manner specified so that it may be readily removed
therefrom alone or with the chase upon it, as specified.
2. In a bed and platen press, the combination, with a removable bed, of guide
rails for the inking rollers, said guide rails being formed on, or attached to, the
bed and adapted to afford means of handling, lifting, and transferring the bed,
substantially as specified.
3. In a bed and platen press, a bed for the chase and form, removably supported
by its lower bevelled edge resting in a bevelled or undercut support or supports,
its back being held to bear against the bed supporting frame or frames, by pivoted
hooks mounted on said frame or frames and engaging the upper edge of the bed,
substantially as specified.
4. In a bed and platen press, the interposition between the "form" carrying
chase and the supporting frame of the press, of a bed for the form which is
provided with a bevelled support for the bevelled lower edge of the chase to rest
on, a clamping hook device for securing the chase to the bed, and which is itself
removably held against the supporting frame by its lower bevelled edge resting on
one or more notched or undercut supports and by pivoted hooks engaging with its
upper edge, substantially as specified.
.Dated this 24th day of January 1895.
A. M. & WM. CLARK,
53, Chancery Lane, London, Chartered Patent Agents.