IMPROVEMENTS IN APPARATUS FOR THE DELIVERY OF SHEETS FROM PRINTING MACHINES, PAPER-MAKING MACHINES, AND OTHER MACHINES WHICH DELIVER DAD GRITED MAMERTAT MUDARK OR SHE
Year: 1872

page_text: LETTERS PATENT to Edward Unwin and George Ovens, both of
Chilworth, in the County of Surrey, Printers, for the Invention of
"IMPROVEMENTS IN APPARATUS FOR THE DELIVERY OF SHEETS FROM PRINTING
MACHINES, PAPER-MAKING MACHINES, AND OTHER MACHINES WHICH DELIVER
DAD
GRITED MAMERTAT
MUDARK OR SHE "
Sealed the 13th December 1872, and dated the 18th June 1872.
PROVISIONAL SPECIFICATION left by the said Edward Unwin and
George Ovens at the Office of the Commissioners of Patents, with
their Petition, on the 18th June 1872.
We, EDWARD UNWIN and GEORGE OVENS, both of Chilworth, in the
County of Surrey, Printers, do hereby declare the nature of our said
Invention for "IMPROVEMENTS IN APPARATUS FOR THE DELIVERY OF SHEETS
FROM PRINTING MACHINES, PAPER-MAKING MACHINES, AND OTHER MACHINES WHICH
DELIVER PAPER OR OTHER MATERIAL IN THE FORM OF SHEETS," to be as
follows:
1

page_text: machines, or for delivering successive sheets of paper or other material
from paper-making machines and other machines from which sheets are
delivered; and consists, as applied to a printing machine, for example,
in extending, by preference in a horizontal direction or nearly so a.
portion of each of the ordinary tapes which guide the printed sheet from
off the impression cylinder on to the delivery roller, and in combining
therewith additional tapes also running horizontally or nearly so beneath
or parallel to the extended portion of the first-mentioned tapes, and in
contact or nearly so therewith.
The extended portions of the first-mentioned tapes are passed over a
special guide or presser roller, a corresponding roller being situate below
and carrying in grooves the lower additional tapes which pass round the
delivery roller, which may also be grooved. The printed or other sheet
is thus directed or delivered in a horizontal direction on to the "taking
off" board or receiving table, and is guided laterally on to such board by
adjustable side guides placed at a slight angle to cach other.
As the sheet issues horizontally from between the delivery tapes its
forward edge strikes an adjustable stop or bar, which may be perforated
to allow of the free escape of the air between the sheets, the said stop or
bar, in conjunction with another in the rear of the guide rollers and with
side guides, insuring the sheets lying perfectly square and regular on the
board.
SPECIFICATION in pursuance of the conditions of the Letters Patent,
filed by the said Edward Unwin and George Ovens in the Great
Seal Patent Office on the 18th December 1872.
TO ALL TO WHOM THESE PRESENTS SHALL COME, we, EDWARD
UNWIN and GEORGE OVENS, both of Chilworth, in the County of Surrey,
Printers, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her
Letters Patent, bearing date the Eighteenth day of June, in the year of
our Lord One thousand eight hundred and seventy-two, in the 35th

page_text: year of Her reign, did, for Herself, Her heirs and successors, give and
grant unto us, the said Edward Unwin and George Ovens, Her special
license that we, the said Edward Unwin and George Ovens, our executors,
administrators, and assigns, or such others as we, the said Edward Unwin
and George Ovens, our executors, administrators, or 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 APPARATUS FOR THE DELIVERY OF SHEETS FROM PRINTING
MACHINES AND OTHER MACHINES WHICH DELIVER PAPER OR OTHER MATERIAL IN
THE FORM OF SHEETS," upon the condition (amongst others) that we, the
said Edward Unwin and George Ovens, our executors or administrators,
by an instrument in writing under our hands and seals, or under the
hand and seal of one of us, 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.
NOW KNOW YE, that we, the said Edward Unwin and George Ovens
do hereby declare the nature of our said Invention, and in what manner
the same is to be performed, to be particularly described and ascertained
in and by the following statement, reference being had to the accom-
panying Drawings, and to the letters and figures marked thereon, that is
to say:-
-
Our said Invention relates to an improved mode of and arrangement
for "taking off" or delivering automatically and successively the printed
sheets from rotatory printing machines, or for delivering successively
sheets of paper or other material from paper-making machines and other
machines from which sheets are delivered; and consists, as applied to
a printing machine, for example, in extending, by preference in a hori-
zontal direction or nearly so, a portion of each of the ordinary sets of
tapes which guide the printed sheet from off the impression cylinder on
to the delivery roller, and in combining therewith additional tapes also
running horizontally or nearly so beneath and parallel to the extended
portion of the upper set of the first-mentioned tapes, and in contact or
nearly so therewith, and side by side with the extended portion of the
lower set of the first-mentioned tapes.

page_text: In some cases these additional tapes last referred to may be dispensed
with by using only the extended portions of the upper and lower sets of
tapes.
The extended portions of the upper set of the first-mentioned tapes
are passed over a special guide or presser roller, another corresponding
guide roller being situate below and by preference slightly in advance of
the upper guide roller, such second or lower guide roller carrying in
grooves on its plain surface the extended portions of the lower set of
first-mentioned tapes, together with the additional tapes (when used)
which pass round the delivering roller, such latter roller being also
grooved if desired. The printed or other sheet is thus directed or
delivered in a horizontal or nearly horizontal direction on to the "taking
off board or receiving table, and is guided laterally on to such board by
adjustable side guides placed at a slight angle to each other.
"
As the sheet issues horizontally or nearly so from between the two
guide rollers carrying the delivery tapes, its forward edge is arrested by
an adjustable stop or bar, which bar may be perforated to allow of the
free escape of the air between the sheets, the said stop or bar, in con-
junction with another in the rear or by preference just in front of the
guide rollers and with the said side guides, ensuring the sheets lying
perfectly square and regular on the board.
If desired the "taking off board" may be inclined, in which case the
delivery tapes might also be inclined, so as to be parallel or nearly so to
the surface of the board.
And in order that our said Invention may be fully understood, we
shall now proceed more particularly to describe the same, and for that
purpose shall refer to the several Figures on the annexed Sheet of
Drawings, the same letters of reference indicating corresponding parts in
all the Figures.
Figure 1 of our Drawings represents a perspective view of our "auto-
matic taker off;" Figure 2 is a plan of the taking off board, with its
side guides and perforated stops or bars; and Figure 3 is a longitudinal
vertical section of the same, shewing the pair of guide rollers with their
respective tapes at the delivery end of the " taking off" board.
The essential feature of our "automatic taker off" is the pair of guide
rollers a, a², situate at one end of the "taking off board" b, and having

page_text: tapes c and d (actuated in any convenient manner) passing over the said
guide rollers in such a fashion as to hold the sheet between them and
deliver the same in the direction of the arrows evenly and regularly on
to the table without the employment of manual labour. The journals of
the guide rollers work in the fixed brackets or supports e, e, and arc by
preference so situate therein as that the lower guide roller a¹ shall be
more or less in advance of the top roller a, as shewn clearly in Figure 1,
in order to ensure the sheet being so delivered as that it shall fall flat
on the taking off board. If desired, one of the bearings for these
journals may be made adjustable, so as to enable the angle of the rollers
to be varied. f, f¹, are two perforated bars or stops placed transversely
across the taking off board, one of such bars f being situate at the
further end of the board, and made adjustable along the slots g, g. It
is secured in position by the set screws or nuts h, h. The other bar is
situate just in front of the lower guide roller a¹. i, i, are the two side
guides, also made adjustable along the slots k, k, and secured at a slight
angle, as shewn by the set screws or nuts 1, 1. The sheet as it is
delivered by the rollers a, a', falls flat upon the surface of the board
between the bars f, f, and side guides i, i, one sheet succeeding another
till a pile is formed without any necessity for the employment of the
usual attendant or "taker off."
Figure 4 is a sectional diagram of a portion of an Anglo-French per-
fecting machine, representing the application of our "automatic taker
off" to such machine; and Figure 5 is a perspective view of the same
with our said improved apparatus added. a, a', are the guide rollers for
delivering the sheets on to the "taking off" board b. Over the lower
guide roller a¹, and over the ordinary delivery roller m, are passed the
additional endless tapes d. The lower existing tapes d', the ordinary
course of which is shewn by the dotted line d" in Figure 4, are extended
as shewn by the full line d', and passed round the lower guide roller a¹,
and thence under the existing roller o, whence it takes its usual course.
The upper existing tapes c, c (the ordinary course of which is shewn by
a dotted line at c² in Figure 4), are extended as shewn by the full lines c,
and passed round the upper guide roller a, and thence upwards and over
the existing guide pulleys o¹ of the machine, thence following their
usual course to the impression cylinders n, n². Thus in lieu of the sheet
being delivered free at the part between the ordinary delivery roller m
and the impression cylinder n, it is by our taker off conveyed horizontally

page_text: or nearly so between the tapes c and d to the guide rollers a, a', which
finally deliver it on to the "taking off" board b.
Figure 6 is a sectional diagram of a portion of a single cylinder
machine, shewing the method of applying our "taker off" thereto; and
Figure 7 is a perspective view of the same. a, a¹, are the two guide
rollers; 6¹ is the "laying on" board; b is the "taking off" board; c are
the upper and d the lower delivery tapes which are added for our
purpose, such tapes passing respectively round the guide rollers a, a¹,
and also round the several rollers o, o, disposed in any convenient
manner according to the desired course of the tapes.
Figure 8 is a diagram shewing the application of our "automatic" taker
off" to a double cylinder perfecting machine; Figure 9 is a perspective
view of a portion of the machine, with our "taker off" arrangement
added thereto; and Figure 10 is a perspective detail shewing the manner
of taping the upper and lower guide rollers. a, a¹ are the upper and
lower guide rollers; b is the receiving board; c are the existing upper
tapes, which we extend so as to pass round the upper guide roller a,
whence they follow their usual course over guide pulleys o; d are the
lower set of special or additional endless tapes which pass round the
delivery roller m and round the lower guide roller a¹; d' represents one
of the existing lower tapes, which we extend by passing round the lower
guide roller a¹, whence it returns under the ordinary delivery roller m to
take its usual course. These tapes d' are situate alongside of and run in
the same direction as the special tapes d. The bars or stops are shewn
at ff, and one of the side guides at i.
Having now described and particularly ascertained the nature of our
said Invention, and the manner in which the same is or may be used or
carried into effect, we would observe in conclusion that what we consider
to be novel and original, and therefore claim as the Invention secured to
us by the herein-before in part recited Letters Patent is,―
First. The system or mode of delivering sheets of paper printed or
otherwise from printing and other machines by means of tapes interposed
horizontally or nearly so between the usual point of delivery and the
receiving or "taking off" board or table, such tapes passing over
separate parallel guide rollers situate at or near one end of the said board
or table, substantially as hercin-before described.

page_text: Second. The combination of two parallel guide rollers a, a', with their
tapes c, d, and d¹, or with the extended portions of the tapes c and d¹,
substantially as and for the purpose herein-before described.
Third. The combination of adjustable bars or stops, perforated or solid,
and adjustable side guides with the receiving or taking off board of a
printing or other machine provided with an automatic taking off
arrangement, substantially as herein-before described.
In witness whereof, we, the said Edward Unwin and George Ovens
have to this our Specification set our hands and seals, this Six-
teenth day of December One thousand eight hundred and seventy-
two.
EDWARD UNWIN. (L.S.)
GEORGE OVENS.
(L.S.)