M. A. DROITCOUR.
"PAPER` DELIVERY MBGHANISM.
APPLICATION FILED FBB.19, 1912.
' ~ Patented NOV. 4, 1913.
1,077,400. _
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M». A. DROITGOUR.
PAPER DELIVERY MEGHA NISM.
APPLICATION PILED'I‘EB.19, 1912.
1,077,400.
’ Patented N0v.4, 1913.
7 SHEETS-SHEET 2.
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M. A. DROITCO'UR.l
PAPER DELIVERY MEOHANISM.
1,077,400.
APPLICATION PILED 1213.19, 1912.
Patented Nov.4,1913.
7 SHEETS-SHEET s.
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M. A. DROITCOUR.
PAPER DELIVERY MEGHANISM.
1,077,400.
APPLIGATION FILED FEB.19, 1912.
Patented Nov. 4, 1913.
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M. A. DROITGOUR.
PAPER DELIVERY MEGEANISM.
1,077,400.
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APPLICATION FILED I‘EB.19, 1912.
4l'z’atented Nov. 4, 1913.
'7 SHEETS-SHEET 5.
- M. A. DROITCOUR.
PAPER DELIVERY MEGHANISM.
APPLICATION FILED PBB.19, 1912.
. Patented 'N ov. 4, 1913.
1,077,400. '
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M. A. DROITGO'UR.
PAPER. DELIVERYv MEGHANISM.
APPLICATION FILED Hume, 1912.
1,077,400. ì
Patented N0v.4,1913.
7 SHEETS-SHEET 7.
77
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IIICHAELANDR'EW DROITOO‘U'R., or Oak PARK', ILLINOIS, A'ssIGNon. 'ro MIEHLE
PRINTING rniess AND MANUFACTURING COMPANY, or CHICAGO, ILLINOIS, .e
CORPURÀTION 0F ILLINOIS.
PAPER‘DELIVERY MEGÍFIÀNISM.
Bpeciâeation of Letters Patenti
1,077,400.
Patented Nov. 4L, 1913.
Application ñled February 19, l1912. Serial No. 678,498.
To all' whom ¿if may concern :
Be it known that I,_MicriAnL A. DROIT
ooUIi, a citizen otv the United States, resid
ing at Oak Park, in the county of Cook and
State of Illinois, have invented certain new
shown in Fig. 5; Fig. 7 is an enlarged -trag
mentary detail view taken substantially on
the _line 7_-7 of Fig. 1; Fig. 8 is a frag
mentary view looking toward the right in
Fig. 7 and taken substantially on the line
55
and useful lmprovementsin Paper-Delivery 8-8 of Fig. 1; Fig. 9 is a sectional view '
10
Mechanisms, of which the Jfollowing is a taken on the line 9_9 of Fig. 8; Fig. 10
is a vertical septional view taken through
specification.
rl‘his invention relates to improvements in one of the suction shoes; Fig. 11 is a sec
paper delivery mechanisms and aims topro tional view through the shoe taken on the
duce a mechanism of this general character line v11--11 of Fig. 10V; Fig. 12 is a view
which shall be particularly adaptable as an looking at the bottom of the structure shown
attachment forA printing presses although, in Fig. 11; Fig. 13 ~is av fragmentary plan
the invention is not restricted» to this par
15 ticular use.
One of the primary objects of this inven
tion is the provision of mechanism for vposi
20
the same to a delivery pile or stack' and de
positing the sheets on the pile in regular
order and in uniform position. With this
end in view I have provided pneumatic
65
View taken on the line 13-13 of Fig. 10;
Fig. 14 is a side elevation, partially in sec
tion, showing one of the initial suction de
vices and the adjacent end of a suction shoe;
Figi 15 (Sheet 2)A is a sectional view taken
tively separating and withdrawing printed on
the line 15-«15 of Fig. 10; Fig. 16 is a
sheets from a printing cylinder, conveying
60
70
view taken on the line 16-16 of Fig. 15;
Fig. 17 is a transverse sectional view taken
through the delivery mechanism just back
of the brake device; Fig. 18 is an enlarged
75
the sheets from the fraofmentary view taken on the line 18-18
of Fig. 17 g and Fig. 19 is a sectional view
25 printing cylinder an conveyiinrJ the same to
taken
on the line 19-19 of Fig. 18.
the delivery pile and have also provided
means for separatin
mechanism for controlling the operation of
On the drawings, reference character 21
the pneumatic means so _that 4the rear ends designates a printing cylinder mounted upon
80
of the sheets of paper will be released from suitable standards or supports 22 provided
30
35
the carrier and deposited on the pile before with rearwardly projecting brackets or
the front ends are deposited, thereby ob arms 23 u on which the delivery mechanism
viating any possibility of the forward `end of isy pivotal y mounted, so that its free or de
one sheet being- caught under .the rear end livery end may be swung upwardly or down 85
. wardlyv about its receiving end as a center,
of a preceding sheet.
Many other objects and advantages of the as will `be later described. A. shaft 24, jour
present invention will be understood from naled attlie outer ends of the brackets 23,
the following description when considered is surroiinded'by a sleeve 25 upon the ends
40
in connection with the accompanying draw of which are fixed the blocks or castings 2G
ings illustrating one practical embodiment and27 and to these blocks are secured the
receiving ends of the side frame members
of the invention.
`
90
YReferring to the drawings~Figure 1 is a 28 and 29. All of the> mechanism herein'- -i
after described is carried by these side mem'
ing the invention; Fig. 2 is a side elevation bers so that it may be swung upwardly out 95
thereof; Fig. 8 ls a diagrammatic. view illus of position around the axis of the shaft 24,
plan view of a delivery mechanism embody
if-desired, A delivery table 31 is suspended
45
trating the driving mechanism for the per
50
the operation of the initial> suction device; `by thegdelivery _mechanism from the print
be-`
_
Fig. 5- is a side elevation showing the suc ing cylinder. Disposed longitudinally
beneath the delivery
forated bands; Fig. »a is a dia rammatic by vsuitable hangers,
view illustrating the manner of c riving the end of the mechanism, toV receive and sup
valve operating mechanism which controls‘ port the sheets of paper delivered thereto
tion tubes leading to the various suction vde
100
tweenthe side members is a. plurallty of suc
vices; Fig. `6 is a plan View of the structure Ition shoes 33, 311 and 85, the receiving ends -
1,077,405
end of the shoes and the pulleys or dnums
37 are splined to move longitudinally on the
sleeve 25 between the arms 36 at the other
of which are provided with apertured arms
36, between which are mounted the ,pulleys
or drums 37 having rims provided with per~
torations 37’ and the delivery ends of which
are provided with similar apertured arms
38 between each pair of which is mounted a
similar pulley or drum 39 having its rim
provided with perforations 441.
end of the shoes, these pulleys and the aper
tured metallic belts passing around them
will be simultaneously and equally shifted
with their corresponding suction shoes, sol
Each of that under all circumstances these belts or
bands 52 and 53 will be maintained in regis~
partition Walls 42, 43 and 44 into four ter with the perfo-rations in their respective
chambers or compartments 45, 46, 47 and 48 suction shoes. From an inspection of Figs.
of which the one characterized by 45 is com 2 and 5 it will be observed that the pulleys
paratively large extending, as will b_e seen,' lor`drums 39 are smaller than the pulleys 37,
from areceiving drum 37 to the partition consequently th'e delivery ends of the tapes
' these suction shoes 33, 34 and 35 is divided
10
75
42 disposed substantially midway the lengthy are disposed in a higher plane than the re
15
of the appliance. Each of these shoes is ceiving ends and the paper will be carried
made, as will be observed from Fig. 1l, in along with its forward end disposed above
its rear end. The suction shoes, of course,
are inclined to correspond with the inclina»
the form of a shell provided on its under
surface with a series of perforations 49.
Around the pairs of alined pulleys or drums tion between the lower edges of the pulleys
20
85
37 and 39 are passed endless belts or bands v37 and 39. This inclination of the paper has
5l, 52 and 53, each being preferably made of 'been found desirable for the reason that
metal and provided at intervals with aper Ãwhen the paper has been released, rear end
tures or slots 54 obliquely disposed to pass first, as will be later described, it will tend
2,5 successively over the apertures 49 in their ias it falls upon the pile to glide or soar 90
respective shoes whereby suction in the shoe toward the cylinder end ofthe delivery table
chambers, the apertures of which are cov
against the guides disposed thereon, thereby
slots in the bands. The center shoe is shown
as having two series of apertures and two
bands 52 are shown as coöperating there
with. The two series of slots and the two
1
ered by these belts- or bands, is made appli ¿assisting the joggers in making a straight
cable to the sheets of paper through the edged even pile.
v30
The sleeve 25 is given a variable intermit
tent rotation causing a variable and inter
mittent travel of the perforated steel bands
Íor belts by means of mechanism which I
bands are employed in this particular loca will now describe: The shaft 6l of the cyl
tion to enable the devicev to handle paper inder 21 has fixed thereon a -sprocket wheel
which may be slitted in the center inthe 62 around which passes a sprocket chain 63
usual manner but, obviously, a single band vencircling another sprocket wheel 64 on the
35
100
y similar to the bands 5l and 53. may be used shaft 24 rotatably mounted in the side frame
in the center of the mechanism if unslitted -members 28 and 29. Upon the opposite end
of theshaft 24 is mounted a sprocketwheel
`
"
In order that the positions of the two out -'65 around which passes a sprocket chain 66
40 paper is to be handled.
side suction shoes 33 and 35`may be adjust
45
105
also encircling another sprocket wheel 67
able for proper action on sheets of paper of fixed on a shaft 68 mounted onA the side
different widths l have provided each of member 28 and carrying at its inner end a
these outside shoes with a pair of open `similar sprocket wheel‘ 69. A sprocket 110
topped internally-threaded lugs 55, one such
lug being'shown in Fig. l0. The mecha
nism is provided with two comparatively
long _screws 56 and 57 rotatably mounted inl
¿chain 7l encircles the sprocket wheel 69 and
another wheel 72 mounted on a stub shaft
73 also carried by the side frame member
28. T_he sleeve 25 has fixed to one end thereof
50 „the
55
slde frames 28 and 29 and each having - a sprocket wheel 74, a similar sprocket wheel 115.
its halves provided with right and left hand 75 being rotatably mounted on a stub shaft
screw-threads disposed in operative engage _76 carried by the side frame member 28 and
ment with the lugs 55. In'order to bring va sprocket chain 77 passing around these
about a simultaneous and equal rotation of companion wheels 74 and 75 has securely
these two screws 56 and 57 .I havev equipped vrfastened thereto three yokes 78, 79 and 81 120
each with a sprocket wheel 58a coöperating each consisting, as is shown in Fig. 3, of a
with both of which is- a sprocket chain 58,_ ¿pair of parallel arms spaced apart. These .í
one of the screws having an operating han'-"-_ ,yokes are separated one Jfrom another lin~
dle 59. Since the two outside shoes are slid-' :early along the sprocket chain 77 -a distance
60
65
ably supported upon the cross-shaft 6l and substantially equal to that between the re
the sleeve 25 it will be apparent that the si lmotest points of the sprocket wheels 69 and
multaneous approach or separation of these 72. Coöperating with these yokes I employ
shoes may be readily effected by simply three rollers 82, 83' and 84 spaced equidis
turning the handle 59. Since the pulleys or tant on the sprocket chain 71, the construc
drums 39 are carried by the arms 38 at one :tion being such that as the roller 83 leaves
125
1.30
1,077,400
the yoke 79 the chain 77 will remain sta
tionary until the roller 84 travels fro-m the
position shown in Fig. 3 to the remotest
point of the wheel 69, whereupon it enters
the yoke 81 and carries the yoke with it to
the remotest point of the wheel 72, thereby
.
¿seen that the pipes 94, 95 and 96 are
equipped with controlling valves 101,102
and 103, respectively, and the mechanism
for intermittently opening and closing these
valves is best- shown perhaps in Figs. 7 to 9 70
inclusive. A cross-shaft 104 extends trans
intermittently imparting to the chain 77 a versely of the machine above the pipes 94,
variable movement. During the period that 95 and 96 and upon this shaft in proximity
the chain 77 and, consequently, the perfo to the valves 101, 102 and 103 are secured
10 rated bands 51, 52 and 53 are at rest the downwardly projecting curved arms 105 75
paper will be released at the discharge end shaped at their `free ends to engage with
of the mechanism, as hereinafter explained. arms 106 fixed to the stems of said control
Referring now to the means for applying ling valves. The shaft 104, which is sup
suction to the shoes and the drums mounted portedl in brackets 107 from the frame is
15 at each end thereof and controlling the ac~ oscillated at predetermined intervals to 80
tion of the air it will be observed that the swing the arms 106 from full line to dotted
suction pump (not shown) is connected withl line position, shown in Fig. 9 and vice versa,
Íeach of the suction devices through a main
tube or pipe 85 from which branches lead
20. ing to the various devices are taken. The
pipe 85 is connected with the chamber 45
ofthe shoe 34 through a short pipe 86 and
is also connected with the chambers 45 of
by a link 108 attached at one end to an arm
109 fixed on the shaft 104 and connected at
its other end with a lever 111 pivoted on the
frame at 112 and adapted to be actuated by
a rotary cam 113 which operatively engages
a follower 114 mounted on the lever 111.
_the movable side shoes 33 and 35 through An expansion spring 115 normally urges the
follower into engagement with its operat
25 the flexible pipes or hose 87 and 88, respec
tively, these íieXib-le connections being ing cam. A shaft 116 upon which the cam
adapted to permit the adjustment of the 113 is fixed extends transversely of the ap
outer shoes toward and from the middle " pliance through the valve mechanism 117,
\ shoe by the mechanism previously described.
30
A continuous suction is accordingly ap
plied to the chambers 45 of each of the
shoes. By reference more particularly to
Fig. 14 it will be observed that the tape
drums or pulleys 37 which are provided with
35 peripheral perforations 37’ and are mount
ed to rotate in proximity to the printing
cylinder 21 are each disposed in close prox
imity to the receiving ends of its respec
118 and 119, to be later described, and car
ries at one end a sprocket wheel 121. Re 95
ferring to Figs. 1, 4 and 7, it will be seen
that the sprocket Wheel 121 is continuously
driven by a sprocket chain 122 encircling a
drive 'sprocket wheel 123 mounted on the
shaft 24 and a companion sprocket wheel '.100
124 mounted on the side frame member 29,
the chain 122 being disposed beneath the
wheel 121 and' in engagement therewith and
tive shoe chamber 45. A suction member or lbeing adapted to travel at a constant speed>
40 bo-x 89, (Fig. 14) having its hub 91 splined in the direction of the arrow shown in Fig. 105
upon the sleeve 25, is disposed. within the >4. It will be evident thatthe valves 101,
perimeter of each drum 37 with its open 102 and 103 will be intermittently opened
curved mouth disposed adjacent and within and closed upon each revolution of the cam
the revoluble perforated rim of the drum. 113, thereby intermittently turning on and
45 The suction member is held against rotation shutting ofl’ the'suction to the suction boxes 110
with the drum by an arm 92 projecting from 89. Thus it will be seen that’suction is in
its hub which is connected by a link 93 with termittently applied to the suction boxes 89
the spaced arms 36 at their junction. Suc~ to separate the printed sheets from the
tion is applied to each of the boxes through printing cylinder and that suction is con
tinuously applied to the- chambers 45 of the 115
50 suction pipes 94, 95 and 96, the pipe 95 be
ing connected with the main suction pipe suction shoes so that the sheets picked up
85 through a branch or connection 97 and by the perforated tapes or bands-traveling
the pipes 94 and 96 being connected with past the suction boxes 89 will be carried
the suction by connections 98 and 99 com» along by the bands beneath the cham
55 municating with the chambers 45 of the side lbers 45.
shoes 33 and 35, respectively.'
The tape drums or pulleys 39, mounted at
Since it is necessary and desirable that the delivery end of each of the suction shoes
suction be applied to the boxes or suction 33, 34 and 35, are likewise equipped with
members 89 intermittently only and at the suction boxes 125 similar in construction to
60 time that a sheet is to be delivered from the the boxes 89. The bearings in the support
printing cylinder, I have provided mecha ing arms 38 for the pulleys 39 are prefer-`
nism for automatically controlling the suc ably elongated to permit of adjustment of
tion to the boxes 89, which willnòw be de the pulleys to tighten the- tapes or bands
scribed.
when required and in order to effect the ad
85
By reference to Figs. 5 and 6 it will be .justment of the pulleys the links 126 con
130
'1,071,400
nected to the arms 127 of the suction boxes brought into successiveregistration with the
125 are each provided, as shown in Figs. 10 respective tubes. The entire apparatus is
and 13, with an elongated _slot 127’ through preferably so timed that suction will be ad~
which a guide bolt 1,28 is passed to secure mitted to the chambers 46, 47 and 48 and
the link to a guide standard 129. An ad the boxes 125 substantially at or just prior 70
justing bolt 131, projecting through an up
to the time that the forward edge of the
wardly extending portion of the guide sheet of paper being delivered reaches in its
standard, is threaded into the end of the link travel these respective shoes. As the valve
so that upon turning the bolt t-he link and member continues to rotate it will be appar-
its corresponding pulley 39 will be adjusted
longitudinally of its respective shoe to ap~
ply the proper tension to its perforated
band. Suction is applied to the .suction
'boxes 125 and the suction chambers 46, 47
15 and 48 of the respective suction shoes
10
through pipes 132, 133, 134 and 135, respec
ent that suction will be shut 0E from the 75
chamber 46 first, then from the chamber 47,
then from the chamber 48 and, lastly, from
the suction box 125, thus permit-ting the rearend of the paper to be first released and t0
drop upon the pile prio-r tothe release of
the forward end.
l
The intermittent and variable travel. of
tively, the inner end of each of these tubes
being connected with a valve casing 136 the suction tapes and the mechanism for ef~ ,
housing a valve member 137 mounted on fecting this movement has been previously
explained in connection with the diagram 815
the cross-shaft 116.
The valve casings and the valve members matic showing in Fig. 3 and it will be re-
mounted therein constitute the controlling membered that there is a period, after one
valves 117, 118 and 119 previously men
tioned, each of these controlling valves con
25 trolling the application of suction to its re
of the yokes on the chain 77 has been re
leased by one of the rollers on the chain
71 and before the preceding roller has en 90
gaged with a succeeding yoke, when the
chain 77 and consequently the suction tapes
panion suction shoe. Since it is desirable will remain stationary. ln order to prevent
spective delivery pulley 39 and the interme
diate chambers 46, 47 and 48 of its com
30
that the rear end of the p'aper loe released accidental movement of the chain 77 at this
from the suction means before the'release ol period, which Would, of course, displace the 65
the front end so that the rear end .will first position of the yoke awaiting to receive its
fall upon the delivery pile, thus obviating roller mounted on the chain 71, l have pro~
any p'ossibility'of the forward end of the vided a brake mechanism shown on an en
succeeding sheet being caught beneath the larged scale in Figs. 18-and 19. Thisbrake
35
40
rear end of its preceding sheet, the control«_
ling valve is so constructed that suction will
be shut oft successively from the chambers
46, 47 rand 48 of the suction shoes and last
from the suction boxes 125, the forward end
mechanism comprises, as-shown, a braking
member 142 pivoted at 143 on a bracket 144
above the lower lap of the chain 77, the
downward free end of the braking member
being adapted to frictionally engage with
'of the sheet being ‘thereby sustained some the chain 77 and thereby hold the chain 105
little time after the rear end has been re against accidental movement during the pe
leased. v’l‘o this end the valve members 137 riod when no roller on the chain 71 is en
of each of the controlling valves 117, 118 gaged with its respective yoke on the chain
and 119 is provided adjacent its periphery 77. The braking member is yieldingly urged
-with an elongated arcuate slot 138, (Fig. 16) into engagement with the chain by an err»A 110
the walls of each slot being formed to p-ro
vide flanges 139 adapted to Contact with one
wall of the casing 136. The rear ends of the
suction tubes 94,u 95 and 96 communicate
50
pansion spring 145 encircling an adjustable
bolt 146 threaded into a stationary base 147
above the chain. rl‘he -frictional engagement
between the braking member and the chain
with the casings o-f 'their respective valves can be regulated, as will be obvious, by
115
117, 113 and 119 on one side of the valve manipulation of the bolt 146. rll‘he intermit
members 137 while the tubes 132, V133, 134 tent actuation of the perforated tapes is
and 135 communicate with the casings on timed, of course, tov correspond with the
55
the opposite side of the valve members. operation of the printing cylinder of the
Suction will thus be continually supplied printing press and the sheets- of paper will,
to the chamber 141 of each controlling valve therefore, be delivered to practically the
as will be evident from an inspection of -same point of the tapes at each operation.
Fig. 15. As the shaft 116 rotates, carrying Manifestly there will be a portion of the
120
with it the valve members 137, the slots 133 tapes betweenthe successive delivery por
65
will be first brought into registration' with
the tube 133, thereby applying suction to the
chamber 46. Similarly suction will be ap»
plied to the chamber 47, the chamber 48 and,
lastly, to the suction box 125 through the
pipes 134, 135 and 132 as the slot 133 is
tions with which paper will not be brought Y
into operative relation and, obviously, these
inoperative portions of the tapes need not
be perforated and I accordingly perforate
the tapes 51, 52 and 53 throughout portions
of their length only, as will be observed
» 1,077,400
from Fig. 1, thereby reducing the suction the fact that the rear end is ñrst released,
necessary to the successful operation of the
device toa minimum;
I prefer to employ elongated slots 54 ar-ranged diagonally of the tape so that the in
terval between successive applications of
suction to the paper from the suction aper
tures in the shoe may be brief, and, in some
instances, I prefer to have the slots end_and
10 begin respectively on a given cross-line on
the sheet will tend to soar .or glide toward
and into engagement with the guides at the
printing cylinder end of the delivery table
31 so that an even smooth edged pile is pró 70
duced.
.
While I have shown and described a pre
ferred embodiment of my invention‘it will
be apparent that various changes in the
mechanical construction and `in the size, 75
the tape so that the suction may be continu shape, proportion and arrangement of the
ous. This arrangement of the slots is sub various partsmay be resorted to without
stantially illustrated in Fig..1. It has been departing from the substance of the inven
found also that this construction provides‘a tion or sacrificing any -of the material ad
vantages thereof.
'
more uniformly strong carrier tape.
80
I claim:
.
The operation of the mechanism `described
1. In a paper transporting mechanism,
is substantially as follows.: As the forward
edge of the sheet of paper on the printing the combination of a pneumatic device for
cylinder 21 approaches delivery position at> withdrawing a sheet of paper from a print
20 each alternate revolution of the cylinder the lng cylinder, means for supporting the ends 85
travel of the perforated tapes is initiated by of the sheet and transporting said >sheet
operative engagement of one of the rollers away _from said cylinder, and controlling
means -for causing the 'release of the rear
end of said sheet prior to the release of the
forward end thereof, substantially as de 90
scribed.
2. In a paper transporting mechanism,
the combination ofmeans for pneumatically
separating a sheet from a printing cylinder,
80 the perforated tapes separates the printed a traveling tape, means' for pneúmatically 95
on the chain 71 with its companion yoke on
the chain 77. Simultaneously suction is ap«
25 plied to the suction boxes 89 in the tapey
drums 37 by the automatic opening of the
valves 101, 102 and 103. The suction action
of the suction boxes 89 through the per
forated rims of the drums 37 and through
sheet from the printing cylinder, saidv sheet holding the sheet against said tape whereby
being carried along by the traveling tapes the sheet is caused to travel with the tape,
and held against the tapes after it leaves the and controlling means whereby the Ipneu
matic action upon the sheet is discontinued
sequentially from one end of the sheet to 100
in
the
long
chambers
45
of.
the
suction
shoes.
85
When _the forward edge' of the sheet of the other, substantially as described.
` suction boxes 89 by the continuous suction
3. In a paper transporting mechanism,
paper reaches or approaches the chambers
46 of the shoes, suction is automatically ap the combination of a 'pair òf perforated tape
plied 4to said chambers by the controlling drums, a perforated tape surrounding said
drums, a suction shoe dis'posed- between said 105
tinues to travel with the tapes suction is ap~ drums and adjacent the lower -travel of said
40 valves 117, 118 and 119 and as the sheet con
plied successively to the chambers 47, the tape, means for causing said >tape to travel
around ythe_drums, means for inducing suc
`tion through said ytape in the drums and
in the suction shoe, and means for automati 110
cally controlling the suction inl said dr‘ur'ns
and shoe, substantially as described.`
4. In a paper transporting mechanism,
the tapes is stopped by disengagement of
chambers 48 and finally to the suction boxes
125 disposed within the tape drums 39.
45 When the forward edge .of the paper has
been brought approximately to the extreme
edge of thesuction boxes 125 the travel of
the roller on the chain 71 with its yoke on
the combination of a perforated drum, a
suction box disposed therein, a suction shoe
tapes is prevented by the friction brake comprising a plurality o'fcompartm'ents and
50 the chain 77 and further movement of the
115
member 142. At approximately the time having one end disposed in proximity to
that the tapes are stopped the suction is cut said drum, a perforated tape arranged to
ofi:l from the chambers 46 thereby releasing travel around said drum and adjacent said
55 the rear edge of the paper and, in succession, shoe, means for applying suction to said V12pc
the suction is also cut Vod from the chambers suction box- and said shoe whereby to hold a
47 and the chambers 48 thereby permitting sheet by suction against said traveling tape
the rear edge of the paper to drop a con
60
and means for controlling said slîctio‘n, sub
siderable distance toward the delivery pile stantially as described.
5. In a paper transporting mechanism,
before the forward edge is released by cut
125
ting off the suction to the suction boxes 125. the combinationof a pair of perforated
When the suction to these boxes is finally
cut oif the sheet is permitted to fall and by
reason of the inclined position of the suc
65 tion shoes and, furthermore, by reason of
drums, suction boxes arranged in said
drums, a suction shoe disposed between said
drums with its ends in proximity thereto
and comprising. a plurality of compart
130
1,077,400
ments, a .perforated tape arranged to en
11. In a paper transporting mechanism,
circle said drums and travel adjacent to said ¿thecombination of a suction shoe-compris
shoe, and means for applying suction to the ing a series of suction chambers arranged.
suction boxes and the compartments of the end to end, drums mounted at each end of
shoe whereby to retain a sheet by suction in said shoe, a suction chamber arranged with
contact with the traveling tape, substan in each drum, a suction tube, connections be
tially as described.
tween said tube and each of said chambers,
6. In a paper transporting mechanism, and means for automatically establishing
the combination of a suction shoe divided
and suppressing connection between said.
into a plurality of compartments, a perfo
suction tube and each of said chambers in
rated drum at one end of the shoe, a suction
succession, substantially as described.
65
70
75
box disposed therein, and means for in
15
25
30
35
40
12. In a paper transporting mechanism,
ducing and discontinuing suction in said the combination of an elongated suction shoe
compartments and in said-box successively, comprising a series of suction chambers, a
substantially as described.
drum mounted at one end of said shoe, a
\ 7. In a paper transporting mechanism, suction chamber arranged in said drum, a
the combination of a suction shoe divided suction pipe connected with each of said
into a plurality of compartments, a pair of chambers, and an automatic valve for suc
perforated drums disposed at the ends there cessively establishing and suppressing con
of, a perforated tape arranged to travel nection through the pipes with said cham
85
around said drums and in proximity to said bers, substantlally as described.
shoe, means for inducing suction in one of
13. In a paper transporting mechanism,
said drums at predetermined intervals, and the combination of a suction shoe, suction
means for successively inducing suction inl drums disposed at each end thereof, a perfo- ‘
a plurality of compartments in said suction rated tape arranged to travel around said
shoe and in the other perforated drum at. drums and in proximity to said shoe, means 90
predetermined intervals, substantially as for intermittently applying suction to one
described.
Y
of said drums, means for intermittently ap
8. In a paper transporting mechanism,
the combination of a pair of drums, a suc
55
plying suction to the other drum and to said
shoe at intervals throughout its length, and
tion shoe disposedv between said drums, a means whereby the distance between said
perforated tape arranged to travel around drums may be varied to tension said tape,
the drums and in proximity to said shoe, substantially as described.
means for imparting an intermittent move
1li. A paper transporting device compris
ment to said tape, and a device for prevent
chain for imparting an intermittent move
means for causing said tape to' travel on
mentto said paper carrying device, and fric
tion means continuously engaging directly
with the chain for locking the chain against
displacement during the intervals between
the intermittent movements thereof, sub
the face of said shoe, means for applying
suction to said cylinder and said compart
ments, and means for withdrawing suction
from said compartments in succession, sub
.
95
ing a suction cylinder having means asso
ing accidental movement of the tape in the ciated therewith ~for limiting the suction
interim between said successive movements, area thereof, a suction tape on said cylinder
substantially as described.
.
provided at intervals throughout its length
'9. In a paper transporting mechanism, with a plurality of spaced perforations, a
the combination of a pair of drums, a paper suction shoe divided into compartments,
carrying device arranged to travel around said suction shoe having similarly spaced
said drums, driving mechanism including a perforations in each of said compartments,
stantially as described.
50
80
stantially as described.
100
105
110
.
15. In a paper transporting mechanism,
10. In a paper transporting mechanism. the combination ofy a suction shoe having a
the combination of a suction shoe, a pair of plurality of compartments, a suction drum i115
drums disposed adjacent to the ends thereof, at each end. of said shoe, a perforated tape v
a paper carrying device arranged to travel arranged to travel around said drums and
around said drums in proximity to and be in proximity to said shoe, and means for
neath the shoe, and means for supporting a applying suction to one of said drums and
sheet against the under surface of said de to one of said compartments, substantially
vice, said shoe and paper carrying device
being inclined so that the forward edge of
as described.
I
16. In a paper transporting mechanism,
the sheet being transported is disposed at the combination of a suction shoe divided
60
a higher elevation than the rear edge there into compartments, a suction drum arranged
of, whereby upon release of the sheet the to rotate at each end of said shoe, a per
rear edge thereof will be deposited upon the foi-ated tape arranged to travel around said
pile in advance of the forward edge, sub drums and in proximity to said shoe, means
stantially as described.
- Í
for applying suction to said drums and
125
applying and destroying suc-compartments, and means for successively periodically
tion
in
each
of said elements, substantially
varying the suction in said compartments,
' as described.
substantially as described.
In a paper transporting mechanism,
17. In a paper transporting mechanism, the22.combination
of a pair of suction car
55
the combination of a hollow suction shoe riers arranged substantially parallel to each
divided into compartments, a suction drum other, each of said suction carriers com
at the forward and rearward end of said
a fore and rear rotatable suction
shoe, an endless carrier adapted to travel prising
element and an intermediate carrying ele
60
uîpon said drums and across the face of said ment, means for operating said elements,
s oe means ~for applying suction to said and means for adjusting said suction car
drums and said shoe, whereby a >sheet of riers- laterally ' to accommodate various
paper is held and transported upon said widths of paper to be carried thereby, sub
carrier, and means for releasing said paper
as described.
from said carrier by ñrst destroying the stantially
23. In a mechanism of the character de
suction in said shoe and then destroying the
scribed, the combination of a pair of suc
15
20
25
65
suction in said rear suction cylinder, sub tion carriers arranged substantially paral 70
stantially as described.
with each other, and means for simul
18. In a paper transporting mechanism, lel
taneously
adjusting the front and rear ends
the combination of a hollowl suction shoe of said carriers
to accommodate
having a series of compartments, openings various widths of laterally
sheets
to
be
carried there
into said compartmentsthrough the face by, each of said carriers comprising
a >pair 75
portion of said shoe, a suction drum ar of rotary suction elements and an endless
ranged at the rear end of said shoe, an end belt traveling on said rotary elements, to
less carrier having perforations therein ar gether with means for applying suction to
ranged to travel on said drum and substan said Vrotary elements, substantially as de
tially upon the face portion of said shoe,
means for applying suction to said drum
and said compartments, whereby a sheet of
30
scribed.
80
Y
24. In a paper transporting mechanism,
the
with suction elements hav
paper may be maintained and carried by ing combination
plurality of suction apertures therein
said carrier, and means-for releasing said of a atape
carrier provided with a `plurality
sheet by destroying the suction successively
of elongated slots disposed diagonally of
in said compartments and drum, substan
the tape and arranged with respect to each
85
tially as described.
other so that the rear end of one slot and
19. In a paper transporting mechanism, the
forward end of the succeeding slot in the
35 the combination of rotary suction means Jfor tape are substantially in registration with
successively withdrawing sheets of paper one of said suction apertures at the same 90
from an impression cylinder, means for
substantially as described. ,
transporting said sheets successively, and time,
25. In a paper, transporting mechanism,
rotary suction means for successively caus
the combination ofa suction shoe, suction
40 ing said sheets to be released from said drums disposed at each end thereof, a per
transporting ~means, ysubstantially as de Íorated tape arranged to travel around said 95
and in proximity to said shoe, means
20. In a paper transporting device, the drums
for
intermittently
applying suction to one
combination of a pair of suction elements, of said drums, means
for intermittently ap
a
belt
carrier
between
said
elements,
and
45
plying
suction
to
the
other drum and to
means for automatically and periodically said shoe at intervals throughout
its length, 100
applying and destroying suction in said suc and means for varying .the tension
on said
tion elements alternately, substantially as
scribed.
described.
50
.
’
.
“
21. In a paper transporting mechanism,
the combination of a pair of rotary suc
tion elements, a carrier between said ele
ments, and means for. alternately and
tape„substantially as described.
MICHAEL ANDREW DROITCOUR.
Witnesses:
C. I. MANSEN,
| CEAS. HICKMAN.
^