close

Вход

Забыли?

вход по аккаунту

?

Патент USA US2411075

код для вставки
Nov. 12', 1946.
c. E. WYRICK
2,41 1,075
WEB-FEEDING DEVICE
Original Filed April 27, 1939
2 Sheets-Sheet 1
InvmToR
(DH/700' C WYP/CA/
Nov. 12, 1946.
'
c, E, wYR|cK
WEB-FEEDING DEVICE
Original Filed April 27, 1939
FIE. 4
2,41 1,075
2 Sheets-Sheet 2 '
2,411,075
‘ Patented Nov. 12, 1946
u-Nireo A'STATES ' PATENT
OFFICE -
2,411,075
WEB-FEEDING DEVICE
Clayton E. Wyrick, Miami, Fla., asslgnor to The
Egry Register Company, Dayton, Ohio, a cor
poration of Ohio
Original application April 27, 1939, Serial No.
270,396. Divided and this application July 20,
11142, Serial No. 451,646
.
1 Claim.
1
. My invention relates to a machine for align
ing and folding continuous webs of material into
a fan-folded pack.
'The invention is particularly adapted for pre
paring the zigzag folded pack of sheets provided
for use in autographic registers, such as illus
trated in my copending application Serial No.
“
2.
machine wherein a paper web hinge and align
ing blade and web clampingroller means operate
in a de?nite predetermined timed relationship so
that after the web to be folded is started through
the machine the complementary web hinge align
ing members cannot be moved out of alignment
relative to each other.
Another object is to provide a machine for ‘
142,661, filed May 14, 1931, and similar devices. - aligning perforated sections of multiple super
My invention, however, is not limited to this '
particular use as it is obvious the invention is 10 imposed continuous webs and folding said super
to be used in printing machines and other sim
imposed sheets together in a fan-folded pack.
Another object is to provide in a hinged web
aligning and folding machine of this nature,
dividual forms from each other in use.
other so that the hinged or otherwise weakened
adapted for fan-folding packs of superimposed
continuous sheets or webs of material which are
means for producing a loop or slack in the con
ilar recording apparatus. These packs comprise
multiple superimposed continuous sheets of paper 15 tinuous web being drawn through the machine,
adjacent the entrance to the hinge aligning mechhaving spaced printing forms thereon.
anism at a predetermined time. This permits
Hinge sections are provided between each form
relative shifting of the individual webs over each
for permitting the ready detachment of the in
The principal object of this invention is to 20 sections of the different webs of paper will move
into alignment with each other.
provide a machine which will accurately align
Another object is to provide in a folding ma»
and fold a plurality of superimposed sheets of
printed forms at their hinge joints, regardless _ chine of this character a gripper roll which is
held in place by gravity so that it is‘ free to swing
of the slight variations in the distance between
the hinges. It will be appreciated the hinge por_ 25 away from the web of paper to make possible
the loading of the machine. '
tion between the spaced forms may comprise
Another object is to provide clutch means for
perforations, slits, indentations, or otherwise
producing a gradual speed acceleration of the
weakened web portions whereby the individual
aligning and folding machine during the start
forms may be detached as by tearing off from ‘
the remainder of the continuous sheet of forms. 30 ing period so as not to put undue stress on the »
webs or machine parts.
Another object is to provide a slack producing
Another object is to provide a paper web hinge
mechanism so asto permit shifting of the in- '
aligning and folding machine comprising means
dividual superimposed webs of paper being folded
for moving superimposed webs of paper there-1
so that the corresponding hinge portions in the
different webs of paper are brought into align 35 ‘through, aligning the webs at their spaced hinge
sections and folding of said webs, which mecha
ment even though they do not happen. to register
nisms are driven by a power train comprising 8.
exactly with one another.
single prime mover.
Another object is to provide a machine of the
Another object is to provide in a machine‘ of
character described, comprising engaging roller
means between which the paper web is drawn 40 the character described, mechanism for auto
-matically‘ disconnecting the electrical circuit to
having alternate roller web clamping and hinge
the auxiliary variable speed feeding web gripper
aligning blade means adapted to cooperate with
rolls'in response to declutching of the prime
opposed clamping and hinge aligning blade
, members for alternately aligning and creasing
mover.
'
the superimposed webs of paper, ?rst-in one di 45 Another object is to provide in a paper web
handling. machine of the type aforementioned,
rection, then in the opposite, the produce a
means for disconnecting‘ the driving means from
fan-like folded strip. ~
l
the web‘ feeding mechanism so as to permit
Another object is to provide a machine for
manual operation of said web feeding mecha
folding continuous webs having spaced printed
>
forms thereon wherein a variable speed member 50 nism.
Another object is to provide a web feeding
is arranged between the prime mover and the
roll mechanism comprising a friction disc mem
moving parts of the machine so that the speed
ber which is yieldably pressed against a driven
at which the web may be moved through the ma
wheel member and wherein means is provided
chine may be varied.
‘
Another object is to provide a paper folding 55 for moving said web feeding roll out of engage
2,411,075
3
4
ment with said driven member and locking it in
position to be manually operated.
'
In the drawings:
Figure 1 is a diagrammatic view or the com
plete machine illustrating the principal features
of the mechanism for passing multiple super
imposed sheets of paper through the machine and
the arrangement of the web hinge aligning and
folding mechanism;
Figure 2 is a diagrammatic perspective view of
operates a similar pulley member 30, which in
turn‘ is provided with a drive pulley 3i. Drive
pulley 3| rotates the shaft 32 by means of the
driving belt 33 and pulley wheel 34. Attached to
the shaft 32 is a gear 35 which meshes with gear
36 keyed to the shaft 31. The gears 35 and 36
are adapted to drive the web aligning mechanism
of this machine. This hinge aligning mechanism
comprises opposed endless chain members carry
ing hinge aligning blades and clamping roller.
the driving mechanism of the machine;
means which are generally designated 36 and 39
in Figure 2.
Secured to the shaft of one of the sprocket
means for feeding the webs through the machine,
driven hinge aligning units is an auxiliary
with associated parts lbeing broken away'to show 15 sprocket 40 and chain 4| for driving the sprocket
the construction more clearly;
'
42 and attached slack-producing roller means 43
Figure 4 is a side elevation view of the web
and 43a. Sprocket wheel 44, which is driven
gripper roll friction disc driving means and vari
through the power shaft 32, rotates the sprocket
able speed mechanism therefor; '
wheels 45 and 46 by means of the endless chain
Figure 5 is an elevation view, partly in section,
41. Rotation of the shaft 48 by means of the
with certain parts broken away, showing the
sprocket wheel 45 operates the web guide rolls 49
gripper and web guiding rolls and lateral align
and 50. Through the train of gears 5|, 52, 53, 54,
ing feed roller mechanism illustrated in Figure 3;
55 and 56 the fan-folding and stacking means 51
Figure 6 is a detail view of the fastening means
and 58 are actuated, as illustrated in Figure 2.
for latching the gripper rolls out of contact with 25 Provision for counting the revolutions may be
the friction driving disc preparatory to manual
made through an auxiliary attachment geared
operation of the rolls for threading the paper
to the stacking means 58, asillustrated at 58a.
webs into the machine;
‘
"
The knurled gripper web feeding rolls 8 and 9'
Figure 7 is a fragmentary plan view similar to
are driven through a variable speed friction disc
Figure 3, showing the gripper roll mechanism in 30 means ‘59 by power supplied by the shafts 60 and
position for hand operation.
'
GI which are rotated by the sprocket wheel 46
Figure 3 is a plan view of the friction disc
driven knurled web gripper rolls and guide roll
General construction
through the reduction gear box 62, as diagram
matically illustrated in Figure 2.
The speed at
which the gripper rolls 8 and 9 are run is regu
the machine are diagrammatically illustrated, in 35 lated by the distance the friction drive wheel 63
which the paper web supply rolls are generally
is maintained from the axle shaft 64 which ro
Referring to Figure 1, .the essential parts of
designated B; web guide rolls C; gripper or web
feed rolls D; free paper web loop E; lateral web
aligning and guide roll F; web separator rolls G;
slack-producing roller mechanism H; web hinge
tates the attached friction disc wheel 59. Nor
mally the gripper web feeding rolls 8 and 9 are
driven at a speed which draws paper from the
supply rolls at a slightly lower rate than that
aligning and creasing mechanism I, and fan
required so that the paper web loop E formed
folding web-stacking means J.
The web supply rolls B, as shown in Figure l,
between the rolls l0 and I5 gradually shortens.
A conventional type tiltable mercury switch 63
are mounted one above the other and are attached
may be mounted on a pivoted plate 66 and uti
lized to connect the solenoid 69 with a source of
to their respective axle shafts 2. Paper webs 6
are drawn off from the supply rolls B and over
the individual guide rolls ‘la, thence insuper
imposed engagement through the knurled gripper
‘electric current to increase the rotational speed
of the paper web feeding roll 8 by moving the
armature ‘l0 and attached member ‘I8.
The friction drive wheel 63, as shown in Figures
or feed rolls 8 and 9. From the gripper rolls the
webs pass downward around the counterbalanced 50 4 and 5, is connected so as to rotate with .the shaft
web loop forming roller l0.
6| and is also adapted to move longitudinally
After the superimposed webs 6 pass around the '
along. the drive shaft 6|. Spring means ‘H urges
free loop they are conducted over the guide roll
the‘ wheel 63 toward the outer periphery of the
l5 which laterally aligns the superimposed webs
disc 59. The drive'wheel 63 is Provided with a
so that the edges of the different sheets coincide 55 circular portion 12 of smaller diameter than the
with each other.' Thereafter the multiple sheets
opposed rollers ‘I3 are adapted to ?t. The stub
are separated from each other by passing the
roller shafts 14 are secured to the end of the
webs of the individual rollers I6. This permits
swingable members 15 which are disposed at op
a layer of air to be introduced between the webs
posite sides of the drive shaft 6|. Arranged
so that they can more readily move or shift rela
around the shaft 6| below the drive wheel 63 is
tive to each other during the web hinge aligning
a ?xed collar 16 which is fastened to the pair of
operation which follows.
frame members 11. Roller support members 14
The superimposed webs are drawn through an
are pivoted to the collar 16 as'at 16a so that the
intermittent slack-producing means I‘! which
rollers 13 maybe swung in and out of engagement
operates in synchronism with the web hinge 65 with the lower portion of the drive wheel 63.
aligning and creasing mechanism l8. Thereafter
The solenoid 69 is attached to the SUPDOrt 'l‘l
the hinge aligned and creased webs are guided
opposite the rollers '13 and the outer end of the
downward and fanufolded upon the counterbal
solenoid armature ‘I0 is connected by means of .
anced platform or‘table member l9.
the links 18 to the ends of the members 14 sup
70 porting the rollers 13. When the solenoid is en
Power train
' ergized the rollers 13 are swung in under the
The driving motor 25 for operating the machine
driving wheel 63, as illustrated in Figure 4, fore;
is provided with a driving cone pulley 26 having
ing the friction drive wheel 63 to move against
a belt 21 which engages a, cone pulley member
the spring and approach near the center of the
28. Driving belt 28 running over the pulley 23 75 friction driven disc 59. This inward movement
2,411,075
5
of the drive wheel 63 increases the speed of rotat
ing the disc 59 and likewise the attached gripper
rolls 8 and 9 so that the webs are fed faster into
the machine,
.
Upon speeding up the feeding rolls 8 and 9
more paper will be drawn into the machine so as
er end of the ‘roll shaft I53 is provided with a
pin I55 which is adapted to interlock with a re
movable hand crank I55 inserted over the end
of the shaft I53 for manually rotating the feed
rolls 8 and 9, as shown in Figure 7.
A latch means I51 is disposed over the lock
nuts I4‘Ia and comprises a cut-away portion I58
to lengthen the paper web supply loop E (Figure
and I59 which is adapted to ?t over the beveled
l) which is maintained taut by the roll I0. After
surface I52a of the hub I52 and the lower spring
the paper loop E has been lengthened to the de
sired amount, lowering of the roll I9 and support 10 adjusting member I51, respectively. The latch
may be pivoted about the upper adjusting spring
members II brings about tilting of the mercury
screw member I41 and when the lever I5‘! is
switch 68 which breaks the electrical circuit to
clamped in position, as illustrated in Figure '7,
the solenoid permitting the spring ‘II to force out
the shaft I53 and feed roll 8 are moved against _
the rollers ‘I3, These rollers normally tend to
swing out from beneath the wheel 63 so that no 15 the springs I46, disengaging the friction disc 59 r _
from its drive wheel 63. This permits manual
sticking of the mechanism can take place. On
returning the friction drive wheel 63 to its normal
driving position the web feed rolls are driven at
a slower speed until the web loop E has shortened
suf?ciently to tilt the mercury switch in the 20
opposite direction when the aforementioned cycle
of operation is repeated. This continues during
the operation of the machine.
rotation of the feed rolls 8 and 9 so that ‘the
threading of the paper webs intothe machine may
be accomplished without difficulty. After the
machine is loaded the latch member I51 is swung .
out of engagement with the beveled hub surface
I52a and the springs I46 then shift the feed roll
friction disc means 59: into engagement with the
friction drive wheel 63 for normal operation of
The ‘web hinge aligning mechanism as illus
trated in Figure 1 comprises opposed frame units 25 the machine.
For operating the machine after the ,webs to
8| and 82- which are pivoted together at one end
be aligned are threaded into the machine, the
permitting the units to be sprung apart at the op
motor 25 is ?rst started and then the drive belt
posite end for threading the paper web into the
21 tightened by lowering the motor away from
hinge aligning means preparatory to starting the
the
?xed drive pulley 28 by operating the lever
30
machine. Keyed to the shafts 32 and 31 are the
I63. In order to effect disconnection of the aux
gears 35 and 36 which are in mesh. Gear 35 is
iliary electric circuit to the solenoid 69 by the
driven by the pulley wheel 34, as shown in Figure
tilting mercury switch 68 when the operation of
the machine is stopped, an additional tilting mer
Mechanism for threading web into the feeding 35 cury switch I65 is placed in series with the switch
rolls
68 so as to open the electric circuit to the sole
noid when the motor is declutched.
This is a division of my co-pending applica
tion, Serial No. 270,396, ?led April. 27, 1939.
are yieldably forced toward the friction drive
It will be understood that the above described
disc 59 by the coil springs I46 which are disposed 40
structure is merely illustrative of the manner of
at opposite ends of the roller shafts, Adjustment
practicing my invention and that I desire to com
of the tension in the springs pressing the roll 8
prehend within my invention such modi?cations
toward the friction disc is provided by the screws
Referring to Figures and 5, the knurled paper
web feed rolls 8 and 9 and web aligning roll I_5
as come within the scope of the claim and the
I41 and lock nut members Mia, The feed roll 9
is mounted on the auxiliary cross bar members 45 invention.
Having thus fully described my invention, what
I48 which are attached to the tie bar I49. By
I claim as new and desire to secure by Letters
grasping the bar I49 it will be observed that the
Patent is: '
feed roll 9 and associated members I48 can be
A web feed roll mechanism including in com
pivoted about the shaft I50 of the guide r011 I5,
as shown in Figure 3. In this way the web feed 50 bination; a feed roll having shaft means for sup
porting the same, a web aligning roll laterally
roll 9 is free to swing away from contact with
spaced from said feed roll and having shaft means
roll 8 so as to make it easy to load the machine.
for supporting the same, a pressure roll having
Lateral alignment of the superimposed webs
a supporting arm adjacent each end thereof, said
as they pass over the roll I5 is effected by the
arms being pivotally connected to said aligning
beveled side portions I5I which are adapted to
roll shaft means, said pressure roll when in oper
engage the opposite edges of the webs causing
ative position cooperating with said feed roll to
them to shift over each other until the super
exert pressure upon the web and capable of being
~ imposed 'webs coincide exactly with each other.
pivoted
to inoperative position away from said
In order to permit of manual rotation of the
feed roll to facilitate threading of the web be"
knurled web feed rolls 8 and 9 a hub portion I52
tween said feed roll and said pressure roll and
is formed on the extended shaft I53 adjacent
over said aligning roll.
the frame support member I54. The hub por
tion I52 is provided on the inner side with a
beveled or inward sloping portion I52a. The out
CLAYTON E. WYRICK.
Документ
Категория
Без категории
Просмотров
0
Размер файла
575 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа