C. SBYBOLD.
PAPER CUTTING MACHINE.
APrLIoATIon rum) In 1s', 1910.
1,002,876.
Y Patented sept. 12, 19111. «
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:OLUMIIA PLANOUIMPH c0..\vAsnlN0'mN. D. c.
C. SEYBOLD.
PAPER GUTTING MACHINE'.
APPLIoA'rIoN rILnn 'un 1s. 1910.
1 ,002,876. »
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Patented Sept. 12, 1911.
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C. SEYBOLD. .
PAPER CUTTING MACHINE.
.APPLIOATION FILED MAY 1a, 1910.
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STTES
ATENT OFFICE,
CHARLES SEYBOLD, OF DAYTON, OHIO.
PAPER-CUTTING MÍACHINE.
1,292,876.
Specification of Letters Patent.
Continuation of application Serial No. 491,926, filed April 24, 1909.
Serial No. 561,180.
T0 all lwhom it may concern.:
Patented Sept. 12, 1911.
This application filed May 13, 1910.
the invention can be applied t0 any of the
Be it known that l, CHARLES SnYnoLD, a types of- paper cutting machines now on the
citizen of the United States, and a resident market, without departing from the spirit
of the city of Dayton, in the county of of my invention.
lt/fontgomery and State of Ohio, have in
ln the drawings, Figure 1 is a front ele
vented certain new and useful improvements vation of a paper cutting~ machine with my
in Paper-Cutting Machines, o-f which the improvements applied thereto. Fig. 2 is a
following is a full, clear, and exact descrip side elevation of the same. Fig. 3 is a cross
tion, reference being had'to the accompany section of the machine taken on the lines
ing drawing, forming part of this specifica 3, 3, of Fig. 1. Fig. 4 is a detailed section
tion, this application being a continuation taken on the lines 4, 4, of Fig. 2.
of my application, Serial No». 491,926, filed
1, 1 are the side standards, 2, 2, the cross
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65
April 24, 1909.*
braces and 3 the table which forms a' solid
ln the cutting of paper stock on paper and substantial framework for the operat
cutting machines where the material is ar ing parts of the paper cutter.
70
ranged in piles and held by clamping 'pres
4 is the main driving shaft of the ma
sure on a supporting table to be severed by chine mounted in suitable bearing- in the
a cutting knife, the difliculty experienced in framework, provided with the fly-wheel 5,
holding and cutting the pile is due to a very and the driving pulley 6, and with the usual
large extent to the crushing action of the friction clutch mechanism, starting and
beveled side o-f the knife passing through stopping levers, etc., for operating the ma
the pile. To allow the knife to pass through chine which l have not thought necessary to
75
the paper, every sheet as it is cut has-to shift
illustrate in detail. The driving- shaft car
in front of the beveled edge to allow for ries a worm 7, which meshes with a worm
the thickness of the knife. lNith thick gear 8, mounted on the counter shaft 9,
sheets of cardboard, fibers of the material suitably journalcdin the cross braces. This
have to be crushed back so that as the mate shaft carries the pinion 10, which meshes
rial is held in a plane at right angles to the with the gears 11 and 12 mounted on short
cutting plane it becomes a diflicult matter counter shafts journaled in the framework,
to hold the sheet or pile against this lateral and these shafts at their forward ends carry
strain. lVhere the sheets of paper are soft
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crank pins 13, 14, the outer ends of which
and spongy and have a tendency to cohere, ride in the diagonal slots 15, 16 in the cam
the same difficulty is experienced, because plate 17, the ends of which are guided ver
each sheet must move away from the beveled tically in a suitable guideway in the side
edge as the knife passes through the pile.
standards, rollers on the standards engaging
1t is the object of my invention to over in diagonal slots 1S, 19 in the ends of the
come this difficulty and to render more cam plate. lThe outer ends of this cam plate
effective the action of the knife in severing are securely bolted by the rods 20 to the
the sheets of material which are to be cut, outer ends of the knife carrier plate 21,
and l accomplish the result by the construc which knife plate is provided with diagonal
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tion hereinafter particularly pointed out slots 22, 23, which are engaged by rollers
and claimed, in which I arrange to remove
on the standards so as to permit a shear
or displace the support for the pile of ing cut -for the knife 24, which is suitably
' sheets to the front of the cutting plane dur
45
bolted to the knife carrier 21.
ing the action of the knife. In this way the
25 is the clamp bar for clamping and hold
material of its own weight bends away from ing the material under the action 0f thecut
the cutting edge, and the sheets fall away ting knife. The clamp bar is connected at its
from each other so that they can be readily outer ends by the pins 26, with the cross
andfeasily shifted by the beveled edge of the
50 kni -e.
100
head 27 which cross head on each end is con
nected by the clamp pulling bars 2S, with
While I shall illustrate the application of the racks 29, 29. For the purpose to be
my invention as applied to the type of hereinafter described, these pulling bars 28
paper cutting machines shown and described pass down loosely through the rack bar and
in Letters Patent No. 918,205, issued April are provided with nuts 30 at their lower end
13, 1909, it will be readily understood that so as to leave a slight play between the lower
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1,002,876
edge of the rack bar and the nuts 30 of the
pulling bar. The racks 29 are actuated by
the segmental gears 31 on each side of the
machine, and these segmental gears are
mounted on rock shafts 32.~suitably jour
naled on the sides of the framework. The
inner ends of these rock shafts are provided
with arms 33 which connect the two seg
mental gear rock shafts on each side with a
tion, the center of the circle being in the
line of the meeting edges of the table sec
tion. 49 is a plate secured to the frame
work or table 3, which is curved upward at
its front end at 50, to support the segmental 70
surface 48 of the table section 37, and the
parts are held together by the segmental
shoes 51, 51, secured by the bolts 52, to the
segmental iiange 46. lVith this construc
horizontally disposed friction clutch con~ tion it will be evident that as the table drops
necting bar 34, which connecting bar is sur it will turn on the meeting edge without
rounded by a friction box made up of opening up.
plates 35, 36 bolted together so as to obtain
the proper tension on the connecting bar 34,
and this friction box is reciprocated hori~
zontally by suit-able connection with the
driving mechanism so that the connecting
75
The package or pile of paper to be
trimmed is located on the table 3, and ad
justed against the back gage with the front
portion of the pile resting on the table sec
tion 37. It is of course preferable that the
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must be properly supported before the cut
ting operation, and inasmuch as the piles
85
bar 34 which connects the two segmental clamp should reach the paper pile before
gears which vdrive the clamp will be friction the knife begins to cut and the entire pile
20
ally actuated.
Mounted lengthwise on the table 3 under
neath the cutt-ing edge of the knife 24, is to be cut are of different heights and there
the usual wooden strip or bar 90 to serve as
25
30
are, therefore, varying distances of travel
a cutting block for the knife.
for the clamping knife, the table section is
I have not thought it necessary to describe not arranged to drop at any fixed point
in any further detail the construction and of the knife throw. In order to provide,
operation of the operating parts of the paper therefore, that no matter what the height of
cutter, as such mechanism forms no part of the pile, the clamp shall reach and hold the
my present invention', but is equally appli paper stock before the table is released, I
cable to any other construction of a paper provide as follows: As hereinbefore stated,
cutting machine in which a table is provided the pulling bars 28 for the clamp are at~
for supporting the pile to be cut in con» tached loosely to the rack 29 between the
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nection with the clamp operating and knife nuts 30 and the nuts 53. Now as the ma
driving mechanism tor properly hold and chine operates the weight of the clamp bar
35 sever the pile.
'
To carry out my invention, I construct the
itself will keep the nut-s 53 in contact with
the rack 29.
100
As soon as the clamp stops on
table for supporting the pile in two parts, the paper the movement of the segment gear
31 carries the rack 29 along the pulling bars
hinged section 37. In the embodiment of until stopped by the nuts 30, when the full
my invent-ion as illustrated in the drawings, clamping pressure is applied to the paper
this table section 37 is provided with pins pile. Attached to the side of the rack 29
the ordinary iiXed table 3, and a movable or
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38 and 39 at each side edge, which pins eX
tend through a segmental slot 41 in the side
standard at each side, and are supported by
the arms 42, 43, mounted on the rock shaft
44 journaled acrossv the front of t-he machine,
105
and securely bolted thereto is a bar 54 which
is curved at its upper end as shown by dotted
lines 55 in Fig. 2, and this curved portion
of the bar i`s normally in engagement with
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the pin or roller 56 on the lower end »of a
the rock shaft being normally held by the lever 57 which is pivoted at 58 to the cross
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coiled spring 45 with the arms 42, 43 in a head 27 of the clamp.' The lower end of
positie-nto support the table, so that nor this lever 57 extends downwardly in front
mally the table section 37 will be continuous of a roller or pin 59.011 the connecting bar
with the fixed table 3.
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G0 which is held in slotted engagement with
The section 37 is hinged to the table 3 on the frame by the pin 61 on the frame which
a line preferably in front of but ‘close to passes through the slot 62 in the connecting
the cutting plane of the machine, and in bar. This connecting bar is pivotally con
order to prevent trouble and annoyance nected with the upper end of the supporting
from dirt and paper chips the table section arm 42 at 63. The results from this con
37‘ is so hinged that when the support for struction are that the moment the rack bar
the outer end'is removed andthe table drops, 29 is moved by the segment gear to tl ie lower
no opening will be formed at the hinged end of the pulling bars, the curved end of
edge. To provide for this I form a flange the bar 54 will shift the lever 57 which,
46 along t-he lower inner edge of the table coming in contact with the pin on the end
section 37, the rear of which flange is cut of the connect-ing bar 60, will shift the sup
away at 47 to allow the table to swing down porting arms 42 and 43 from under the
and- the front portion 48 of this flange is pins 38, 39 on the table and thus removing
formed on the arc of a circle inl cross sec
the support, will allow the table section 37
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1,002,876
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to drop. As the parts will remain in their tion can be readily applied to any of the
normal position until the clamp reaches the well known forms of paper cutters.
In the construction illustrated and de
paper pile and is stopped thereby, it is evi
dent that the table support will not be re scribed, the table lifting arms provided for
returning the table section 37 to its normal
that, therefore, the construction will act position continuous with the fixed table 3,
leased until the clamp reaches the paper, and
70
are connected with the crank pins which op
aultomatically for any height of a paper erate
the cam plates so that after the clamp
p1 e.
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15
20
25
30
35
40
45
In order to return the table section 37 to
its normal position after the knife has fin
ished its operation, I provide a pair of lift
ing rods 65, 65, the upper ends of which are
secured by the universal oint 66, to the un
der surface of the table, and these rods pass
and knife is raised to its starting point, the
crank pins lift the arms and raise the table 75
until the pins 38 on the table are again
caught under the supporting arms 42, 43.
The buffer springs 69, 69, are provided to
prevent any jar and hammering as the table
loosely down through the coupling sleeves is lifted.
It will be understood that the line of di
67, 67, which sleeves are coupled by a uni
versal joint construction 68 to the crank vision between the fixed table 3 and the
pins 13, 14. A coiled spring 69, to serve as table section 37 with reference to the cutting
a buffer spring is mounted on each of these plane may be varied within reasonable
lifting rods 65, bearing between the sleeves limits without departing from the spirit of
67 and coupling head 70. rI`hese lifting my invention. With material for the knife
arms are so coupled to the crank pins 13, to cut against laid on the table, the line of
14, that the table will be lifted by the rota division between the table sections might
tion of the crank pins through the buffer coincide with the cutting plane, but ordina
spring connection 69 interposed between the rily with the usual cutting block as illus
sleeves 67 and the head 70, but during the trated in the drawings, the division line of
down stroke of the clamp and knife bar the the sections will be slightly forward of the
table will be free to drop when released by cutting plane. In claiming my invention, I
the supporting arms 42, 43, as above de have used the term “adjacent to ” as de
scribed. The universal joint construction scribing this line of division, and- this term
is provided for the lifting arms as the table is used with the above understanding.
Having thus described my invention,
drops in one direction, and the crank pins
what I claim as new and desire to secure by
13, 14 rotate in another direction.
71 is a hand wheel for rotating the rod Letters Patent, is:
1. In a paper cutting machine, a support
7 2 which has connection with the back gage
for adjusting same, and this hand wheel for the material to be cut, cutting and
necessarily is provided with the universal clamping mechanism, and means to with
joint construction where supported by the draw the support from the material at one
side of the cutting plane upon the engage
table section 37.
73 is the starting bar for the machine con ment of the clamping mechanism therewith,
trolled by a handle 74 and supported by the to permit the material to recede from the
cutter as it is cut.
side levers 7 5, 75.
2. In a paper cutting machine, cutting
The operation of the machine will be evi
dent from the foregoing description. The and clamping mechanism, and a table to
operator jogs up his pile of paper stock, support the material to be cut divided into
sheets or cardboard or the like on the table
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110
two sections adjacent to the cutting plane,
3, and its extension 37. rll‘he machine is then with means causing one section to drop
started and the clamp bar 25 descends to away upon the engagement of the clamp
the pile. The moment it reaches the pile with the material to be cut.
50 and holds same, and the clamping pressure
3. In a paper cutting machine, cutting
is increased by the driving power of the and clamping mechanism, a table to support
machine, the supports are removed from the the material to be cut terminating adjacent
front of the table section 37, and the table to the cutting plane, and a supplemental ta
drops within the limits of the slots 41. That ble normally in the same plane with the
55 part of the pile in front of the bevel edge of first named table, and means causing said
the knife, therefore, bends downward and supplemental table to drop away >upon the
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each sheet is free to move readily as it is engagement of the clamp with the material
cut and the diñiculty experienced in forcing to be cut.
the knife through the pile is very largely
4. In a paper cutting machine, with cut
removed.
ting and clamping mechanism, a table to
It will be evident, of course, that the par support the material to be cut terminating
ticular mechanism employed for operating adjacent to the cutting plane and a supple
the clamp and driving the knife through mental table normally in the same plane
the pile is not the essential of the present with the first named table, a support for
invention, and that the drop table construc said supplemental table, and means for re
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l1,002,876
è
leasing said support upon the engagement upon its engagement with the paper, mecha
of the clamp with the material to be cut.
10
5. In a paper cutting machine, cutting
and clamping mechanism, a table to support
t-he material to be cut terminating adjacent
to the cutting plane, and a supplemental
table normally in the same plane with the
iirst named table, a lsupport for said supple
mental table, and means for releasing said
support upon the engagement of the clamp
with the material to be cut, with mecha
nism for returning the supplemental table
to its normal position upon the completion
60
nism intermediate the support and the
power operating member adapted to release
said support upon the operation thereof.
l0. In a paper cutting machine, cutting
mechanism, a table to support the matcriaii
to be cut terminating adjacent to the cutting
plane, a supplemental table normally in the
same plane with the first named table, a
support for said supplemental table, a clamp
movable by its own weight to engage the
70
paper, a member constructed to operate said
clamp to subject the paper to increased pres
of the cutting operation.
sure, a connecting bar connecting the sup
6. In a paper cutting machine, cutting plemental table support with the power
and clamping mechanism, a table to support operating member, and means to shift said
the material to be cut terminating adjacent connecting bar to withdraw the table sup
20
25
30
to the cutting plane, and a supplemental port upon the operation of the power operat
table normally in the same plane withthe ing member.
iirst named table, and means connecting said
l1. In a paper cutting machine, cutting
support with the clamping mechanism to re mechanism, a table to support the material
lease same upon the engagement of the clamp to be cut terminating adjacent to the cutting
with the material to be cut.
plane, a supplemental table normally in the
7. In a paper cutting machine, cutting same plane with the iirst named table, a
and clamping mechanism, a table to support support for said supplemental table, a clamp
the material to be cut terminating adjacent movable by its own weight to engage the
to the cutting plane, and a supplemental paper, a member constructed to operate said
table normally in the same plane with the clamp to subject the paper to increased pres
first named table, a support for said supple sure, a rack and gear frictionally connected
mental table, and means intermediate the with the knife driving mechanism for
clamping mechanism and the support to re operating the clamp, connection for the rack
lease the support simultaneously with the with the clamp to permit the clamp to en
clamping of the material to be cut.
35
40
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same plane with the first named table, a the paper.
support for said supplemental table, a
12. In a paper'cutting machine, a cutting
clamp movable byy its own weight to engage table, a cutting knife and clamp reciprocal
toward and from the table, said table eX 100
said clamp to subject the paper tov increased tending beyond the cutting plane, a cutter
pressure, and mechanism intermediate the block supported beneath the cutter, a leaf
supplemental table support and the clamp >or support pivotally supported substan
operating member adapted to release said tially at the edge of the cutting table and
support upon the operation of the clamp adjacent to the cutting plane, and means
operatingV member.
for swinging said table on its pivot to per
9. In a paper cutting machine, cutting mit the material to recede from the cutter
105
mechanism, a table to support the material when cut.
13. In a paper cutting machine, a support
plane, a supplement-al table normally in the » for the material to be cut, cutting and clamp 110
same plane with the first named table, a ing mechanism, and means to withdraw the
support for said supplemental table, a clamp support from the material at one side of the
movable by its own weight to engage the cutting plane, to permit the material to re
paper, a member constructed to operate said cede from the cutter as it is cut.
clamp to subject, the paper to increased pres~
CHARLES SEYBOLD.
50 to be cut terminating adjacent to the cutting ‘
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gage the paper by its own weight, and a
8. In a paper cutting machine, cutting tripping device interposed between the rack
mechanism, a table to support the material and the clamp actuated by the movement of
to be cut terminating adjacent to the cutting the rack to trip the table support to release
plane, a supplemental table normally in the 'same simultaneously with the clamping of
the paper, a member constructed to operate
45
80
sure, pulling bars connected with said ‘
clamp, a power operating member connected
f with said pulling bars to operate said clamp
Attest:
‘
FRANK I-I. HERBST,
O. A. STUHLDREHER.
Copies of this patent may be obtained for ñve cents each, by addressing the “Commissioner of Patents,
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‘ Washington, D. C.”