Improvements in Folding Machines.
Year: 1888

page_text: Date of Application, 26th July, 1888
Complete Specification Left, 26th Apr., 1889-Accepted, 15th June, 1889
PROVISIONAL SPECIFICATION.
[Communicated from abroad by F. MARTINI AND Co., of Frauenfeld, Switzerland,
Engineers.]
Improvements in Folding Machines.
I WILLIAM LLOYD WISE of 46 Lincolns Inn Fields, London, in the county of
Middlesex, Consulting Engineer and Patent Agent do hereby declare the nature of
this invention to be as follows:-
This invention relates to paper folding machines, and has for object, and renders
possible; the employment of a machine constructed according thereto as what may
be termed a universal folding machine, as such a machine will perform one or more
folding operations as desired.
This is effected by throwing out of gear a stop for the sheet, so that the latter
can pass off. The corresponding folding knife is also thrown out of gear.
In the annexed sheets of drawings a machine according to this invention is shown.
Fig. 1 is a side elevation of the machine. Fig. 2 is a front elevation thereof.
Figs. 3, 4 and 5 are respectively front elevation, side elevation and plan of the stop
arrangement for the sheet.
The operations of laying on, folding, and conveying the sheet are effected by means
of similar or analogous gear mechanism to that described for the same purposes in
the specification of a former patent granted to me No. 4049 of 1877.
But in a machine embodying the present improvements there is provided for each
"fold" a separate taker-off a¹ a a³ a' which can be thrown in and out of gear. The
knives have not to move through such a great distance because the sheet is not
brought directly by the folding knife in front of the next following folding knife,
but indirectly by the entering rollers 201, 202, 203, and bands 1, P, P.
The second, third and fourth knives m³, m³, m³, may be disengaged or thrown out
of gear, and stops, which can be removed at will, are provided between the bands (12
and 3, for the purpose of stopping or of moving forward the sheet (to the respective
taker-off) when desired.
For the sake of clearness these stops are not shown in Figs. 1 and 2, but a stop is
shown separately in Figs. 3 to 5.
On the supports S, 5, 8 are arranged the adjusting bars e for the entrance of the
sheet; the supporting bars have adjustable stops so for the sheet which is prevented
by the same from moving forward.
This stop or adjusting mechanism thus determines the position of the sheet for the
next following bend of the fold. But if no further bend is to be made the adjusting
apparatus Sssso e is removed, so as to enable the sheet to be moved by the bands
or by and onward to the taker-off. In Figs. 1 & 2 only lower bands 11, 13, 18, 14,
are shown, which support the sheet and carry it further onward.
In Figs. 3 to 5 upper bands are also shown. The sheet is guided between both
bands and l.
In Figs. 1 and 2 the adjusting apparatus S¹ is shown between the first and second
folding bend, so that in this arrangement the sheet after the first fold or bend is
carried by the bands 1 or l¹ stops at the stops, is brought by the folding knife m²
into the rollers to and is then carried on the bands to the collecting box or
discharger a³.
If it be desired to effect only a single fold, the adjusting apparatus S¹ must be
removed, and the sheet will then move on towards the collecting box a'.
For three folds, besides the adjusting apparatus S₁ between the bands 1, there
must also be adjusting apparatus between the bands . For four folds there must
be further adjusting apparatus between the bands P.

page_text: 2993 and q are shafts for the rakes of the takers-off a¹ a² a² and a'. These
shafts and rakes are actuated from eccentrics 1, 2, 3, and 4, mounted on the central
shaft C, by means of levers and rods g¹ g³ ³ and g. d, d² d' and d' are the shafts
for the levers of the eccentrics 1, 2, and .
The rod K is moved up and down in the rotatable guide L by means of the crank
motion of the central shaft C.
The two points k, k to which the prisms p are attached, describe elliptical curves
રી portion of which approximates to the arc of a circle, having its centre in the
cylindrical prism guide p, 0. In the prism p is a pin or pivot of the crank sliding
block i.
Whilst the points k describe the said portion of the arc of a circle the crank
shaft or remains at rest, but the crank shaft moves during the remainder of
the time and thereby gives the stroke to the folding knives.
From the shaft motion is also imparted to the gripping lever 38, the operation
of which has already been described in the specification No. 4049 A.D. 1877 above
referred to.
The pointers (not shown in the drawings annexed hereto) are similar to those
referred to in the specification No. 4049 A.D. 1877 and their movements are also
similar.
1
W. LLOYD WISE.
COMPLETE SPECIFICATION.
Improvements in Folding Machines.
I, WILLIAM LLOYD WISE, of No. 46, Lincoln's Inn Fields, in the County of Middlesex,
Consulting Engineer and Patent Agent, 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 paper folding machines and has for object and renders
possible, the employment of a machine constructed according thereto as, what may
be termed, a universal folding machine, as such a machine will perform one or more
folding operations as desired.
This is effected by throwing out of gear a stop for the sheet of material to be folded
so that such sheet can pass off from the machine. The corresponding folding knife
is also thrown out of gear.
In the annexed five sheets of drawings illustrating a machine constructed according
to this invention,
Fig. 1 is a side elevation of the machine, and
Fig. 2 a frout elevation thereof.
Figs. 34 & 5 are respectively a front elevation, a plan, and a side elevation of the
stop mechanism for the sheet.
Fig. 6 is a plan of the paper folding machine shewing the arrangement of the sheet
carrying bands with the rollers and the distributor.
The operations of laying on, folding, and conveying each sheet of material to be
operated upon are effected by means of similar or analogous gear or mechanism to
that described for the same purposes in the specification of a former patent granted
to me No. 4049 of 1877. In a machine embodying the present improvements,
however, there is provided for each fold, a separate taker-off a¹ a² a at that can be
thrown in and out of gear as required and the folding knives have not to move
through such a great distance as before because the sheet is not brought directly by
the folding knife in front of the next following folding knife, but indirectly by means
of the entering rollers W1 W2 W3 and bands 111. M is the first folding knife.
The second, third and fourth folding knives M2 M* M* may be disengaged or thrown
out of gear when required and stops, which can be removed at will, are
provided between the delivery tapes & for the purpose of stopping or of moving

page_text: forward the sheet of material to the corresponding taker-off as desired. These stops
are merely indicated in Figs. 1 & 2 in order to avoid confusion, only the corresponding
side view being drawn. Such a stop is however fully shown to an enlarged scale
in Figs. 3 to 5. In these Figs. the supports Ss with the stops are shewn as
adjusted for the largest size of paper; the dot and dash lines indicate the position'
of a sheet of paper ready for folding.
On the supports Ss are arranged the adjusting barse for the entrance of the
sheet; the supporting bars s have adjustable stops for the sheet which is prevented
by the same from moving forward. These stops are marked respectively & v³
in Fig. 6.
This stop or adjusting mechanism thus determines the position of the sheet for the
next following bend of the fold. But if no further bend is to be made the adjusting
apparatus Sss ve is removed so as to enable the sheet to be moved by the corre-
sponding delivery tapes or by and onward to the taker off. In Figs. 1 & 2
only lower delivery tapes 11 12 13 14 are shewn, which support the sheet and carry it
further onward. In Figs. 3 to 5 upper bands are also shewn. The sheet is guided
between both bands & l. In Figs. 12 & 6 the adjusting apparatus S¹ with stops v
is shown between the first and second folding bend so that in this arrangement the
sheet after the first fold or bend, is carried forward by the tapes I and ', is then
arrested at the stops vl, is brought by the folding knife M between the rollers W
and is then carried on the bands to the collecting trough and taker-off at a³ the
stop having been previously removed and the corresponding folding knife put
out of action.
If it be desired to effect only a single fold, the adjusting apparatus S and stops v
must be removed, and the sheet will then move on towards the collecting trough and
taker off at a¹.
&
For three folds, besides the adjusting apparatus S¹ and stops_ul between the
tapes 1, there must also be adjusting apparatus between the tapes corresponding
to the stops Fig. 6. For four folds there must be further adjusting apparatus
between the bands corresponding to the stop in fig. 6. q'g'q' & q' are shafts
for the rakes of the takers off a¹ a' a' and at. These shafts and rakes are actuated
from eccentrics & mounted on the central shaft C, by means of levers and
rods ggg & g. d' d' d' & d' are the shafts for the levers of the eccentrics,
The rod K is moved up and down in the oscillating rotatable guide L by
means of the crank motion of the central shaft C. The two points k, k to which the
prisms p are attached describe elliptical curves a portion of which approximates to
the arc of a circle, having its centre in the cylindrical prism guide p°. In the
prism p is a pin or pivot for the sliding block pl. Whilst the points k describe the
said portion of the arc of a circle, the crank shaft 6 or remains at rest, but
the crank shaft moves during the remainder of the time and thereby gives the
necessary stroke to the folding knives.
The mechanism for effecting the motion of the shafts 61 63 may be different from
that shewn; it may for instance be similar to that shewn in the former specification
herein before mentioned.
From the shaft b6 motion is also imparted to the gripping lever the operation of
which is the same as that of the gripping lever described in the former specification
above referred to. The pointers are also similar to those referred to in the said
former specification and their movements are also similar.
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. A paper folding machine constructed with several running off boards or takers
off such as a' a' a' a³ in line with delivery tapes such as and with adjustable
stops or holders for the sheets of material to be folded arranged between the
tapes, the arrangement being such that any desired number of folds may be

page_text: made in the sheets of material, within the limits of the machine, by varying the
number of stops or holders used substantially as herein described.
2. In a
folding machine of the kind referred to, the adjustable stops or holders r
arranged between the tapes 1 (or 1° and 1) for holding the sheets of material operated
upon in position to be folded substantially as herein before described.
3. In a folding machine of the kind referred to, the combination of the adjustable
supports s, with the stops or holders and the adjusting bars e substantially as
herein before described.
4. In a folding machine of the kind herein referred to, the combination of the
support S with the side supports & stops or holders and adjusting bars e substantially
as hereinbefore described.
ช
W. LLOYD WISE.