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H. A. SEVYIIGNE‘AND F; K. ARNOLD; "
’ WRAPPING MACHINE.
Amie/mom FILED 050.4. 1911._
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Patente? Apr. 111, 1922.
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H. A. SEVIGN'E AND, F. K. ARNOLD.
WRAPPING MACHINE.
APPLICATION FILED DEC.4, 1911.
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H. A. SEVIGNE AND F. K.VARNOLD.
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WRAPPING MACHINE.’
APPLICATION- FILED DEC.4.1917.
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Patented Apr. 11, 1922.
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H. A. sEvleNE AND F. K. ARNOLD.
WRAPPING MACHINE.
APPLICATION FILED DEC.4, 1917.
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Patented Aplz H, 1922.
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H. A. SEVIGNE AND F. K. ARNOLD.
WRAPPING MACHINE.
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APPLICATION FILED 050,4.1917.
Patented Apr. 11, 1922.v
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H. A. SEVIGNE AND F. K. ARNOLD.
WRAPPING MACHINE.
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APPLICATION
FILED 050.11.1911.
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Patented Apr.‘ 11, 1922.
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WRAPPING MACHINE.
APPLICATION FILED 050,4. 1917.
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H. A. SEVIGNE AND F. K. ARNOLD.
WRAPPING MACHINE.
APPLICATION FILED III-20.4.7191?
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Patented Apr. 111, m2.‘
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' , ~~ speci?cation of Letters Patent.
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'Patented Apr. 1111., 192%:
Application ?led December 1.52, 31917,.v $615.81 H0. 205,385.
To all-whom itmaxy ccmccm:
\
k Further objects of the invention are to
lBe it known that we, HENRI A. SnvmNE" provide improvements in the sealing mech
and FRANK K. ARNOLD, citizens of the United anlsm and in the folders or tuckers which
States, and residents, respectively, of Win Wlll be described hereinafter. '
throp, in the county of Su?’olk, State of Mas
With these and other objects in view, our
sachusetts, and of Nashua, in the county of invention consists in the machine and the‘ 60
Hillsboro and State of New Hampshire, have various parts thereof substantially as here
’ invented certainne'w and useful Improve inafter described and particularly pointed
' ments in Wrapping Machines, of which the out in the claims.
‘
'
following is a speci?cation.
.
0f the acompanying drawings which illus
rli‘his Invention relates to wrapp1ng-ma trate our improved machine in its present
chines and has particular reference to -ma— embodiment:
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‘
chines adapted to wrap articles which vary‘ _ Figure 1 is an elevation, looking from the
more or less in shape or size or are quite side which is referred to as the front because
15 irregular in ‘form such as loaves of bread.-' - of the relative position of the attendant.
The presentrinachine is similar in princi
‘Figure 2 is an elevation from the left of 70
'20
ple and operation to that described and Figure 1, on a larger scale.
claimed in our Patent No. 1,253,636, dated
Figure 3 is a plangview.
,
Jan. 15, 1918, and our present application
Figure 4 represents a longitudinal section
is, in- part, a‘ continuation of the application on line H of Figure 3.
V
on which said patent was granted.
Figure 4a is a detail view hereinafter re 75
Ulneof the objects'of the invention is to ferred to in connection with the description
provide, an improved machine of this char of the means for ensuring the deposit of the
acter which is adapted to use water-proof wrapped loaves uniformly on the ?nal deliv
25 paper of a character known as “dry waxed”
'
paper, orbut-slightly waxed, so as to not soil erp‘carrier.
igure 5 is’ an enlarged sectional detail
'the ‘clothing of a person carrying the of a portion of Figure 11.
wrapped ‘articles. A further object is to ‘Figure 6 is a view similar to a portion of
provide such a'machine adapted to so seal Figure 5 but illustrating the parts in a dif
30 the wrapped article as to render it unneces
sary to employ wrapping paper carrying
" such a quantityof para?in as to perform the
sealing operation.
ferent position.
80
'
Figure 7 is an enlarged detail view of some
of the mechanism illustrated in Figure 1.
Figure 8 is a plan View of some of the
Another object is to provide a simpli?ed parts shown in Figure 7.
'35 construction of mechanism, for supplying
Figure 9 represents a section on line 9-9
the machine with the article to be wrapped. of Figure 7.
_
A furtherobject is to provide improved
Figure 10 is a' detail view from the left of
mechanism for causingv the articles to be Figure 9. _
lifted through the chute and between the
Figure 11 is a view similar to a portion
40
of Figure 8, but illustrating a modi?cation
folders.
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90
‘
hereinafter described.
by the wrapping material will be‘ delivered 1 Figure 12 is a side elevation of the parts
' Another obiect is to provide means ‘where
uniformly regardless of the gradual reduci . shown in Figure 11.
.
Figure 13 is a detail plan view of some of
45 ‘Another object is toprovide an improved the mechanism ‘below the parts shown at the
construction ‘of the vfeeler mechanism for left ‘of Figure 3.
.
gaging the size ofthe wrappers. 1
Figure 14 represents a section on line 14.——
95
tion of size of the supply roll.
100)
Another object is to provide/“improved 14 ofFigure 13.
primary folders for acting on the wrappers
50.
draped over the articles.
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Y Another object is toprovide means for
preventing rebound of the articles when in
“
Fi
re 15 is an elevation, looking from
the right, of the parts in the upper portion
of Figure 14.
,
.
‘ Figure '16 is a detail plan view of some of
troduced into the machine against a position the parts shown at the left of Figure 3 but
’ .
above the mechanism shown in Figure 13.
inglstop.
105
1,412,754
Figure 17 represents a section on line ing of the machine, not necessary to describe
17—l7 of Figure 16.
‘
herein as it forms no part of our present 1n
Figure 18 is a detail elevation looking in vention.
the direction of the arrow 18 in Figure 16.
The chamber between the wall 44 and plate
Figure 19 .is a detail elevation of part of 46 into which the loaves are delivered by the
the web-cutting mechanism.
pushers 48 is slotted, as indicated in Fig
Figure 20 is a top plan view of a part of ure 2, to permit the upward passage of the
the web-cutting mechanism. I
lifting ?ngers 52, the slots being, of course,
Figure 21 is a plan view of the heated also formed in the base portions 45, 47. As.
10
wrapper-sealing bed.
shown by companing Figures 2 and 4, the
75
Figure 22 is a section on line 22—~22 of ?ngers 52 are arranged ‘in ‘series of three,v
Figure 21.‘
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.
the three ?ngers of each series being clamped
Figure 23 is a section on line 23—23 of upon a rod 53 mounted in bearings attached
Figure 21.
15
20
,
to links of two chains 55,'the said chains be;
Figure 24 represents a section on line 24—— ing mounted on upper and_lowcr sprockets so,
24 of Figure 23, on a larger scale. _
56, 57. The sprockets 57’ are idle and are
Figure 25 represents a section on line carried by a shaft 58. The sprockets 56 are
25_——25 of Figure 21.
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connected to rotate with a shaft 59 having
Figures 26 to 35 inclusive are views to a sprocket 6O (dotted lines, Fig. 2.) which
illustrate the progress of the folding opera is engaged by a chain 64 (dotted lines, Fig. 85'
tion, the last ?ve ?gures being side, bottom, 4) running also over sprockets on shafts 63,
end and top views of the completely wrapped 114 and 66, the latter being the shaft of the
loaf.
feeding drum hereinafter described. The
Similar reference characters indicate sim
25 ilar parts in all the views.
.
The main frame 40 of the machine com
shaft 66 also has a gear 67 indicated in Fig
.ure 4, said gear meshing with a pinion 68
on the main driving shaft 69, said shaft'hav- '
prises two side members and suitable tie-rods ing' a pulley 70 for a driving belt.
or bars.
30
A gravity slideway for the loaves , : As hereinafter described, each loaf, as it .
to be wrapped is supported adjacent the is lifted by the ?ngers 52 between the front
front of the machine by brackets 41 and and rear walls of the chute or vertical pas
consists of a plurality of rods'42 in one sageway, is brought into juxtaposition with
95
plane, and rods 43 which are longer than an overlying section of wrapping material
and ‘somewhat above the plane of the rods such as paper, and the wrapper is folded
42, for the ends of the loaves on rods 42 all but the bottom edges or ?aps. It is essen
35 to slide between.
The loaves are placed on tial that the ?ngers, after they have brought 100
‘this slideway and move down in immediate each loaf to the upper end of the chute or
juxtaposition, the front loaf of the advanc vertical passageway, shall ‘be interrupted in
ing row arriving against the upright wall their elevating movement to permit the
44 having a foot or base 45.
The wall 44 tucker 179 to operate as hereinafter de
40 forms one side of a chamber which receives
scribed. To effect this result each ?nger‘
each loaf from ‘the slideway by mechanism carrying shaft 53 has secured to one or both
hereinafter described, the opposite wall of ends thereof, preferably one at each end, an
said chamber being formed by an adjustably arm 71. Each arm 71 has a roll 72 (Figs. 5
45
mounted plate 46, (Figs. 1, 4, 5, and 14). A and 6) traveling in a cam track 73. Each
longitudinal slot or space is proviided be arm 71 also has a toe 74 adapted to engage
tween the edge of the foot 45 of wall 44 and the upper end of a rib 75 (Fig. 4) for a
the edge of the horizontal plate 47 as shown purpose presently described. As best shown
in Figure 1, for the passage of the pushers in Figure 5, the cam track 73 is offset at 76,
48 which transfer loaves singly from the and below the offset is a stationary pin'or
50 slideway on to. the foot or base 45 and the
55
60
105
roll 77 in the path of a toe 7 8 of arm 71. As 115
plate base 47, these two last-mentioned mem each rod 53 rises in the direction of the arrow
bers forming the bed along which each loaf a in Figure 5, the toes 78 contact with the
is slid by a pusher to position it for the ac two rolls 77 and continued movement causes
tion of the elevating ?ngers hereinafter de therolls 72 to swing intothe offsets 76 so
scribed, and which raise each loaf between that ‘said offsets actv upon the. arms 71 to. 120
the folders which turn in the ends of the quickly swing the ?ngers 52 downwardly in _
wrapper.‘ The pushers 48 ((Figs. 2 and 3) the directionof the arrow- 6 in Figure 5, re
are carried by a chain 49, indicated by dotted sulting in a slight ‘dropping of the support
lines in said ?gures, said chain being car for the loaf. As the rod 53 continues to
ried by sprockets mounted on shafts 50, 51. move, the roll 72 at each end rides along the 125
The pushers project upwardly through the cam track as indicated in Figure 4 until the
slot hereinbefore mentioned. The chain inclined portions 80 of the calm,‘i tracks are
with its pushers is operated continuously ‘in reached, when the toes 74, by contacting with
the-‘direction of the arrow in Figure 2, by the upper ends of the ribs 75, cause the rolls
65
means of connections with the power shaft
72 to swerve into the inclined tracks 80, re 139
ins-raves
@3
sulting in throwing the ?n ers over as indi
the pull upon the supply roll is an easy-and
cated as the lower left-ban portion of Fig comparatively steady one.
ure 4-, ready to lift the next loaf. The com
The 'mechanism just described, by autos,
plete turning over of the rod carrying the maticall reducing the tension on the paper
?ngers avoids any liability of the ?ngers re as the iameter oflthe supply roll is re
maining in an intermediate position. After duced, facilitates continuous proper opera
10
70
each rod carrying the ?n ers passes the in tion of the machine as a whole because it
clined portions 80, the ro s 72 pass into and ensures the delivery of smooth and untorn
follow along portions of the cam track which ' sections of paper to 'beassembled with the
ensures the ?ngers occupying the position leaves oft’ bread.
7.5
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The _web tension mechanism just dew
The stop ribs 75 are ‘emergency devices. scribed is’ not claimed.‘ herein but forms the '
Usually gravity will cause the ?ngers to subject matterof our divisional application
swing the rolls 72 into the inclined portions - ?led November 17, 1921, Serial No. 515,764.
80 of the tracks 73, but it such swinging The paper passes over the drum 83 and '80,
shown at the right in Figure 4:.
20
- movement is delayed, contact of toes 74 with under a vertically movable series ‘of-‘rolls 87
the ribs 75 positively starts the required (Figs. 4:, .5 and 20) and then over a bed 88. ,
swinging movement.
I
The rolls 87 are mounted uponand so as to
Each loaf brought to position by a pusher rotate with a shaft 89. - The drum 83 is pref
‘i8 is stopped by a plate8l (Figs. 2 and a), erably composed of several sections in aline 85
it being understood, of course, that each ment, as shown in Figure 20, a roll 87 bear
pusher after it advances a loaf against the ing on each section. The shaft 89 is ‘mount .
plate 81 passes downwardly over the axis ed at its ends in arms 90 of a rockshaft
of the shaft 50.
_
.
'91, means being provided, as presently‘ ex- _
The paper from which wrapper sections plained, for rocking said shatt<91 so that 901
are severed is inserted horizontally across
when the rolls 87 bear upon the paper, the '
the vertical chute or passageway above each web will be advanced to the severing mecha-'
' loaf, so-as to be draped over the loaf as it is
carried upwardly by ?ngers 52. It is fed
30 from a roll on a suitably mounted core 82,
nlsm.
‘
~
.A pinion 62 of shaft- 89 meshes with the. '
gear 67 carried by the shaft'66 of the drum. 95 "
Tn'order that the length of each wrapper
gravity rolls 8%‘, 85 (Figs. 1 and 4) on its section severed from the web shall accord
way to the feed drum 83, said rolls serving to with the particular loaf which is to. be
automatically reduce the pulling tension on wrapped in that section, I provide the fol
the roll or core 82 as the diameter of said l0W1I1g' mechanism: A feeler 93 is located in -100
roll decreases. The operation of the feed the path of movement of the upper portion
ing mechanism is intermittent, as herein of a loaf that is being carried by-one of the
after described. The ravity rolls are guid_ pushers 4.8 into the path of the ?ngers 52.
the paper then passing under two or three
ed at their ends in inc ined ways 86, and are The front end of this feeler 93 is curved up‘
removable so that rolls of di?erent weight wardly, as indicated in Figure 14. Said 105
may be substituted one for another. The feeler is pivoted at one end of the lever 94:_
object of the gravity rolls is to compensate mounted ‘to rock on ‘a pivot pin 95- suitably
for the gradually reducing size and inertia supported by the frame of the machine‘as
45
59
of the roll of paper on the core 82. 'VVhen indicated in Figure 1.
a large roll of paper is in place, it requires
more'weight to draw ed the loop of paper
between the roll and the drum 83 than when
the roll is small. When the feeding mecha
nism acts and takes up some of the loop
of paper, if the roll 85 is insu?icient to exert
The axis 97 of said
pivotal connection with said, lever is parallel
110
with the path of movement of the loaf that
is passing under the feeler so that if the
top or” the loaf is irregular, the feeler can
rock so as not to bear only upon the highest
portion of the loaf, which highest portion is
an unwinding pull upon‘ the web, the loop liable to be quite small and would be crushed
115
continues to be taken up until the next roll down if the feeler were to be ‘rigid with its
84 is also lifted from its lower position, suit
able stops being employed to normally limit
carrying lever.
‘
The feeler has ears rising from its upper
the lower position of rolls 84 to a higher side (Figs. 7 and 8) said ears embracing, 120
plane than the lowermost portion of- the and being pivotally connected at 92 to, a
roll 85. When the roll of paper has been block 96 having a pin97 extending into a
considerably reduced in diameter, its in loose bearing at the end of lever 94. While
ertia becomes less and the combined weight the feeler is always free to tilt or rock side
60 of the rolls 84, 85 might then be too great to ways, on pivot 97, for the reason just de 125
prevent the feeding action from causing a scribed, the connection described permits it
. j'erl: upon the supply roll. The lower roll to be adjusted on pivot 92 by means of two
85 alone, however, has not suiiicient weight screws 100 which pass through block 96 on op
to prevent being lifted up the inclines when posite sides of pivot 92 and bear on the up
- the feed commences toact, and therefore persuri’ace of the feeler between the cars. 130
1,412,754
By loosening one screw and turning in the plate, to enable said plate to be swung by 7
hand, when desired.
ing sothat it will be lifted higher by a pass
When the rib 102 has passed around from
ing loaf and increase the length of paper the position shown in Figure 7 and the
drawn off for wrapping, by the mechanism toothed face thereof engages said tooth 103, 70
other, the feeler can be set more or less slant
presently described.
_
. the inclined or beveled formation of the rib
An arm 98 ‘is connected to the lever 94: by 102 acts upon the laterally inclined or bev
a vertical pivot 99, and practically consti eled face of the tooth 103 which overlaps the
tutes with the lever 9L1 a jointed lever, the hinged plate 104., the member 98 swinging
10
fulcrum being at 95.
mechanism. pres
ently explained, the amount of tilting move
laterally upon its pivot 99, and the overlap
pingtooth 103 engaging the edge of plate
75
ment imparted to the jointed lever 94, 98, by 104 and swinging. the latter out to \remove
.15
20
a loaf passing under-feeler 93,'controls'the
length of the wrapper section that is severedv
from the web and placed in position to be
wrapped around the particular loaf which
its roll 105 from under lug 1.06 of arm 90,
thus permitting feed rolls 87 to drop toward
drum 83 and feed the paper. Ofcourse the 80
quicker the dropvof the upper feed rolls 87,
acted upon said feeler. ‘The means for act and the longer the contact remains, the
ing on the member 98 comprises a toothed longer will be the extent of advance of the
‘rib 102 carried by the drum 83 the ‘surface web, so as to increase the length-of paper
of said rib which is toothed being cam passed over the loaf which has acted upon
shaped, as indicated in Figure 8. The end
of the member 98 of the lever has a tooth
the feeler 93.
’
'
85
,
This is e?'ected by the toothe'dirib‘102, the
103 which is pointed, as shown in Figure longitudinal con?guration of which, and its
7, and cam-faced on one side, as shown in mounting on drum 83, being such that when‘
25
30
Figure 8. As has been stated, the drum 83 feeler 93 is raised by a large-loaf, and tooth 90
revolves continuously, and of course the rib 103 is consequently lowered to be acted upon
102 moves with it. If no loaf passes under by a portion of the rib near its inner end,
the feeler 93 the tooth 103 will remain in a the removal of roll 105 from under lug 106
osition somewhat higher than shown in will occur at an earlier point of the revolu
igure 7, the end of rib 102 simply passing tion of drum 83 and said toothed rib than
under the tooth. When a loaf, however, acts when a smaller loaf is passing and the tooth
upon ‘the feeler 93 to raise it, the tooth‘103 103 is acted upon by a portion of the rib ,
is lowered more or less according to the
near its outer end.
.
n
height or vertical thickness of the loaf. ‘The
The feed of paper continues until cam 112
35 rib 102 is so positioned, and so curved in acts on roll 111 to oscillate lever 109 which 100
the direction of its length, that the larger acts through link 107 to thrust plate 104:
the loaf to be- wrapped, and consequently the back and cause its roll 105 to act on lug 106
lower the position to which the tooth 103 is to lift the upper feed rolls. The adjustable
shifted, the longer will be the coaction be connection of disk 113 which carries cam
'40 tween the feeding drums and the movable 112 to disk 115, enables the amount of paper 105
rolls 37, as will be presently described.
to be varied for the wrappers. Such adjust
A bracket 101 (Fig. 7) secured to the ment will, of course, cause all wrapper sec
frame of the machine as indicated in Figure tions to be longer, or shorter, as desired.
1, has a plate 104 connected to it by a vertical When .it is desired to temporarily vary the
45 pintle, said plate carrying a roll 105 ‘en length of wrapper sections, such variations 110
gaging the under side of a lug 106 of one of can be more quickly effected by tilting the
the arms 90 of rockshaft 91.v vA link 107 ' is feeler 93 endwise, as hereinbefore described,
pivotally connected at one end 108 to the than by shifting disk 113. As above de
plate 104 and at the other end is pivotally scribed, the removal of 11911105 which is car
i
50 connected to the upper end of a lever 109 ried by plate 104, from position supporting 115 ‘
pivotally supported at 110. The frame sup the lug 106, results in the paper being fed.
port for pivot 110 is omitted from Figs. 7 Consequently anything which effects such
' and 8 to avoid confusion. The lower end of‘ removal will result in the paper being fed.
lever 109 carries a roll 111 adapted to be Consequently, by means of the handle 116‘,
55 acted'upon by a cam 112 carried. by a disk‘ the attendant may swing the plate 104 to 120
113 surrounding shaft 66 andvadjustably cause paper to be fed through the machine
connected to a disk 115 which is secured to without ‘being under the control of‘ the loaf,
said shaft. The adjustable connection is because such swinging shifts the roll 105
illustrated in Fig. 7 as consisting of a screw
away from the lug 106.
v
I
60 which made fast through either one of a
vAs indicated in Figures 4 and 5, the ver 125
series of holes in disk 113, into disk tical passageway or chute has two walls of
‘115.
A hand lever 116 is mounted on which the Wall 117 may be rigid, said wall _
the .pintle of plate 104 and has a pair of being, of course, vertically slotted (see Fig.
spaced lugs adapted to engage one side or 2) for the passage of ?ngers 52. The other
65
the other of a tongue projecting from said wall " 118 is yieldingly supported, as by 130
1,412,754
means of screws or pins 119 passing through 149 when said member 98. moves down.
a bracket 120, springs 121 being located be wardly, due to the passage of a loaf under
tween said bracket and wall.
the feeler 93. 1 This oscillates the lever 149
A table or bed 88 istransversely slotted to remove it from the ath of motion of
as at122' (Figs. 5 and 20), and hasexten
sions 124 to support the end'ot the web that
, is fed forward past the knife, presently described, it being" understood that the loaf
10
15
20
25
30
carried by the lifting ?ngers 52 passes up
wardly through the rectan lar space be
the detent 147. To exp ain this operation, 79
it should be mentioned here that in Figure _
7 the detent 147 is not'shown in its normal
position of rest but asapproaching that
position. .When the detent 147 ‘contacts
with the end of stop lever 149, the arm
75
tween the extensions 124.
hese extensions 145 is oscillated so as to swing the tooth
of the bed occupy a horizontal position so 146 out of the notch’ 141 of actuating collar ‘
as to momentarily support the section of 140, thus. unlocking disk 137 from shaft 114
paper that is cut oil“, under thecontrol of so that the cam groove of said disk will not
the loaf‘ that is just then being brou ht to act on roll 135 of arm, 132 to actuate the so
osition, so that the ?ngers 52 will 1i that knife. 4 It being understood that the shaft _
oaf and carry it upwardly through the ver-' 114, to which the collar 140 is secured, is
tical passageway or chute with the wrapper constantly rotated, it will be apparent-,- of
section draped over the loaf.
course, that when the arm 145' and its tooth '
Rising from the frame of the machine at 146 occu y the position shown in Figure 7,
the opposite ends of the slot 122 are brackets the shaft 114, throughsaid secured collar
123 (Fig. 19), said brackets being connected 140 and the am 145, will, rotate the cam
by a cross bar 126. Mounted to slide in ver disk 13?, and consequently causes the hiife
tical ways provided by the brackets 123 is' a bar to descend. and rise again. This is due
casting 125. A lug 127 depending from the to the interengagement of the tooth 146 90.
casting 125 supports one end of a knife 129, with the notch‘ 141,. this engagement being .I _
the other end being su ported by a tightener broken, however, as soon as the detent 14
128 pivoted at 130 and adjusted by a screw contacts with the upper end‘ ofthe ‘stop
131. The lower edge of the knife is pref~ lever 149. When a- passing loaf lifts feeler
erably serrate-d, as shown in Figure 19, and 93 and causes roll 152 to pass below cam 95
said edge coacts with one edge of the slot 151 and swing lever 149, as shown in Figure . 122 in shearing the web of paper.
7, the upper end of said lever is thereby
‘To prevent the front edge of the web from swung out of the path of detent or arm
catching upon the farther side'of the’slot 147, and the spring 148 acts to cause‘reen
35 122 when said web is advanced, the surface gagement of the tooth 146 and notch 141.
100
onto which said edge passes is bevelled.
The shaft-114 is provided with a sprocket
The casting 125 carrying the knife is ver 154 (Fig. 4) whereby said shaftis driven
tically reciprocated by means of two arms by the chain 64.
l
- 132 of a rockshaft 133 (Figs. 5 and 7), the
We will now describe the pressers which
ends of the arms 132 engaging pins 134 hold the paper-upon the bed 88, referring 105-‘
(Figure 19) of the casting.
ne of the particularly to Figures 5 and'19; Mounted
arms 132 has a in provided with a roll 135 to, slide vertically in ears of the casting
(Figs. 7, 9 and 10) which enters a cam 125 are fourrods 157, two each side of the
> groove 136 in a disk 137 loosely mounted on knife. ‘The upper ends of the rods have
45 shaft 114 alongside of a collar 140 which is stop nuts 158, and their lower ends have 110
secured to the shaft, the collar 140 having pads or feet 159. Springs 160 coiled upon
a peripheral notch 141 (Fig. 7). An am the‘ rods 157 between enlargements at the
50
1.45. pivoted. to disk 137, has a tooth 146 . lower ends thereof and the ears of the cast
to engage notch 141, of collar 140 and has. ing, cause the feet to bear yieldingly upon
a. detent lug 147, a. spring 148 normally hold the paper when the casting, descends, the
ing it as shown in Figure 7, with the tooth said rods and the feet being lifted, of course
146 bearing on the surface of collar 140.
when the casting rises, by contact of the
The object of the construction just de ears of the casting with the stop nuts 158.
scribed is‘ to avoid useless reciprocations of When the knife descends, the four resser
the knife when there is no 'feed movement feet 159 serve to hold not only t e rear 1129
ofv the web and, as described, there is no portion of the section which is cut of but
feed of the web when there is no loaf ap also the front portion of the remaining
proaching and acting upon the teeler 93.’ web so as to avoid'any shifting of either
Cooperating with the detent 147 is a stop the cut-0E section or the web due. to the ac
to lever_149 pivotally supported at 150, cons tion of the descending knife. '
veniently to an extension of an arm 90, the ~ An auxiliary presser-foot 161 (Figs. 5 .
lower end of said lever having a cam sur and 20) is employed to hold the web when
face 151. A pin or roll 152 projecting lat the knife and the préssers carried thereby
55
erally from the member 98' of the jointed are raised, and when no feed is taking place.
635
lever, acts upon the cam 151 of the lever At such time, and of course with the upper
res
@
1,412,764
feed rolls 87 raised, the weight of the and 15 in connection with Fig. 4) extend
gravity‘ rods 84, 85, or either of them, in upwardly along opposite ends of the vertical
the loop of paper would be liable to draw passageway or chute, and are pivoted at 170
the web backwardly. Therefore said presser' to rods 171 adjustably supported by brackets
foot 161 is caused to bear upon the pa 172 carried by the frame of the machine.
per when the feed rolls 87 are raised. Said The upright port-ion of each folder 169 is
presser-foot 161 is carried by the lower end ?exible and a lower arm thereof is formed
of a springpressed plunger carried by an or provided with a hook 17 3 extending over
arm 162 forming part of a clamp‘ 163 se rod 171 to limit the rocking movement of the
v10 cured to rockshaft 91 in- such manner that folderin an outward direction. The weight
when the rockshaft 91 is actuated as here of folders 169 causes them to bear yieldingly
inbefore described and occupies the posi
against the rising loaves. These folders 169
tion with its arm 90 as shown by Figure 7 , act upon the wrapper as it and the loaf rises,
the presser-foot 161 is lowered; but when to fold the wrapper to the position‘ shown in
15 the upper feed rolls 87 are lowered, the con Figure 26.
80
‘
sequent movement of the rockshaft lifts the
Secondary folders 175 pivotally supported \
presser-foot 161 from the paper to permit at 176 arelaterally shaped as shown in Fig
the feed thereof. As indicated in Figure ure 15 so that said folders will act upon por
20, the presser-foot 161 occupies a substan tions of the wrap er to fold those portions
'20 tially central ‘position transversely of the to the position indicated in Figure 27.
85
machine, to bear upon the middle portion
A third pair of folders 177, pivotally sup- '
of the web. Therefore, when the presser p'orted at 178 have their inner ends later
foot 161 is bearing upon the paper, if it ally shaped as shown in Figure 15 to next
has become twisted or askew or tends to as fold the wrapper to the form shown in Fig
25 sume such position, the gravity tension roll ure 28.
90
or rolls 84, 85 will straighten the paper out.
All the folders 169, 175 and 177 are so
The liability of the web not being located mounted that their acting portions move
straight in the machine is reater when or yield relatively to the ends of the loaf
the web is being ?rst intro need by the so as to compensate for irregularity in for
30 attendant. In order that the said presser mations, such as overhanging upper portions 95
foot 161 may be temporarily lifted manu~ of a loaf, the tips of the folders being above
ally, the stem of the plunger which carries the pivotal points so that if a loaf having an
said foot extends up through the socket of enlarged top is being elevatedvbetween the
the arm 162 and is pivotally connected at folders, the end folds of the wrapper will
35 164 to a hand lever 165 having a fulcrum in
be carried inwardly singly against the por
100
an car 165 of the upper member of the tions of the loaf which were accurately
clamp 163.
When the machine is being shaped by the baking pans.
?rst supplied with paper or being “thread
After the wrapper has been acted upon by
ed up”, the attendant, by means of the the third pair of folders 177, a side flap
4,0 hand lever 165, lifts the auxiliary central tucker 179 (Figs. 4, 16 and 17) folds the
presser-foot 161 and pushes the end of'the wrapper to the position shown in Figure 29.
web through and under the knife and then The tucker 179 comprises a plate which may
releases the hand lever. If then the paper be slotted as shown in Figure 16, said plate
is somewhat askew, a backward reeling-up being carried by a rod 180 secured to the
105
45 motion of the supply roll will lift one or lower, ends of the two arms 181 of a rock 110
both of‘ the gravity tension rods if they shaft 182 mounted in suitable bearings, and
50
are already in contact with their lower having a third arm 183 carrying a roll 184 _
stops, and cause said rods to coa-ct with engaging a cam groove 185 in a disk 186 se
the centrally located presser-foot 161 to cured to the shaft 63.
straighten the paper.
The timin of the operation of the parts is 115
such that t e interruption of the lifting
ing the wrapper about the leaf, it being un movement of the ?ngers 52 occurs just before
derstood that a section of the material has the tucker 179 (Figs. 16 and 17 ) operates to
been cut off and is resting upon the exten fold the rear depending flap of the ‘wrapper
sions of the bed 88 in position to be draped under the loaf as shown in Figure 29. Since 120
over the loaf that is being elevated by ?n this interruption of the lift is effected by
gers 52. As shown in Figures 2 and 5, a a slight dropping movement of the ?ngers, it
plate 167 is hingedly supported at 168, said‘ is desirable that the loaf shall be temporarily
plate being in position to extend between held at the top of the chute while said tucker
the‘ top of the rising loaf and the wrapper operates and in osition for one of the push
We will now describe the means for fold
55
60
section. As - the loaf rises, it swings the ers 214 to then s ide the loaf away in a hori
plate .167 upwardly so as to smooth out the zontal direction. The means for sov holding
?ap of the wrapper that is being drawn in
the loaf ~by temporarily and yieldingly grip-I
wardly below the wall 118 as the loaf rises. ping its ends comprise two plates 251 (Figs.
65
The primary end folders 169 (see Figs. 13, 14 2, 3 and 4) mounted to slide in suitable ways
release
252 and normally actuated toward each other extension at the top of one wall of the chute
by sprin s 253. Said platesare spread apart and acts as a detent or temporary support
at suita 1e times to admit between them a to prevent any liability of a loaf dropping
loaf which is lifted as described, by cams
are carried by the shaft 63, said cams act
ing upon levers 255 which are pivoted to the
frame and connected to the slides of the
plates 251.
‘
-
Instantly following the operation of the
10
15
tucker 179, there are two end tuckers 189
which fold the wrapper to the form shown in
when the su porting and carrying ?ngers
'52 leave it.
hat is, said plate 202 prevents
70
the lower front corner of the loaf from drop
ping. When a litter elevates a loaf to the
top of the chute the plate 202 moves to let
the loaf pass it and then moves back slightly
under the loaf. At substantially the same
time the plates 251 grasp the ends of the loaf
and the tucker 179 moves under the lower
Figure‘ 30. The end tuckers- reciprocate
toward'and from eachother. Each tucker rear corner of the loaf so that said loaf, al
plate 189'"_is' mounted upon a block 190 (Figs. though no lon or supported by a litter, is
16 and 17 ‘mounted in a‘laterally inclined held temporarily in exact‘position to be re
slideway 111 an extension 191 of brackfet moved by a- horizontally travelling pusher
80
188. Each block 190 has a pin 192 which 214 without risk of damaging the loaf or
is éonnected by a link 193 with an arm 19/1 of ‘tearing its wrapper.
a rock-shaft 195 mounted in a vertical bear
The plate 202 is pivotally- mounted in
20 ing of bracket 188. Each rock-shaft has ears of a bar 203 which, in turn, is pivotally
another arm 196, but the arm 196 of one mounted in ears of the wall 118 as shown
85
rockshazt‘t projects in one direction, while by comparin ' Figs. 5 and 14:. Springs 205
‘ thearm 196 of the other rockshaft projects coiled aroun the pivots of bar 203 act to
in another irection, as shown in Figure 16. normally hold the bar 203 and plate 202 in
at One of the, arms 196 isconnected by a link the position shown in Figure 5 but so as to
‘ 197 with an elbow lever 198 pivoted at 199 yield as 'ust described.
90
'
and actuated as presently described. A link. Immediately after the ?ngers 52 have so
v201 connects the pivotal point where lever left the loaf, after it reaches the plane above
19.8 _is connected to link 197, with the arm 196 plate 202, said loaf is moved along over the
39 of the rock-shaft at the other side of the sealing mechanism. Before describing said
95
machine, so that actuation or the elbow lever sealing mechanism, however, we will explain
198 will cause the end tuckers 189 to simul
' taneously approacheach other and simul
taneously return outwardly.
,
that the folded ends of the wrapper are held
in, as the loaf'is moved along by the top
pushers presentl described, by two bars 204
35
Actuation oi lever 198 is e?ected by-a having outwardvy turned ends 208 (Figs. 3
disk 200 (Figs. 10,317 and 18) carried by and 4) where the loaves enter between them.
shaft 59 and having a cam groove 2001-with
which is engaged a roll 2002 at the end of
a slide 2003 mounted in a ?xed slideway
2004. A short rod' 2005 passes through an
‘ aperture inthe bent outer end of slide 2003
100
The top carrier which takes each wrapped
loaf, after it arrives above the plate as de~
scribed, comprises chains 209 indicated by
dotted lines in Figures 1, 3 and 4;, mounted
105
at one end upon sprockets 210 secured to
and has a yoke 2006 pivotally connected to shaft 63 and at the other end upon sprockets
elbow lever"198,. ‘A spring 2007 between 211 secured to a shaft 212. Connecting the
the yoke 2006 and the bent end of theslide two chains 210 at intervals are transverse
(i5 acts to take the thrust when camgroove 2001 bars or plates comprising pushers 214-, each
119
forces the slide‘2003 in the direction of the of which is adapted to transfer a wrapped
arrows thereon in Fi s. 16 and 18 and yield
' ingly transmitsaid t ?-rust
loaf over the plate 202 and over the sealing
to the end‘ tuckers tablev presently described. The plate
189 through the lever and link connections besides serving .the purpose already de~'
50 previousl described.
115
toward the sealing mechanism, results in the
An especial advantage of this machine is
last or bottom ?ap being folded underneath. that the wrapped loaf is at no time relieved
Carried by the upper end of the yieldingly from equal ressure sufliciently distributed
mounted-wall 118 (Figs. 5, 13, 14 and 15) over it to ho, d the Wrapper smoothly when
is aplate 202 so mounted that when’ a loaf it is leaving the top of the vertical chute
60 is pushed upwardly, said plate 202 yields, and moving toward and to the sealing Ineclr
120
55
~
scr1bed, bridges over the space existing, as
The to ding of the last or bottom ?aps so shown in Fig. 4:, between the vertical chute
as to give the wrapper the form shown in and sealing _table,-under all adjustments or"
Figures 31 to 35 inclusive, by the removal the wall 118. And it provides a smooth
of the‘ loaf over the top of the wall 118 surface for the wrapped loaf to slide over.
but moves back under the edge of the Wrapped anism. Owing to the fact that the elevat-.
loaf just before the elevating ?ngers 52 ing mechanism comprises a plurality of ?n
\ drop away from the bottom of the loaf as gers 52 in a group instead of a single plate,
hereinbefore described.
1 am able to distribute the support for each
tilt
Said plate ‘forms practicallyufa swinging
loaf over a considerable lateral area to
125
1,412,734
@
It will be understood, of course, that the
properly press against the bottom of the
loaf, and yet without providing any large last folding operation resulting from. the
transfer of the leaf toward the sealing table
opening for the retreat ‘of said ?ngers.
In order that the loaves shall be caused to results in the bottomrnost flap extending
be ressed downwardly on the sealing table rearwardly under the loaf, and conse uently 70
and) on the wiping apron 241 presently de this flap is ironed out as it ispushe .along
scribed, we provide weights in‘ the form of over the upper, surface of the sealing table.
plates 216 pivotally connected to arms 215 As has been mentioned, the sealing table is
which are hung at 217 ‘from bracket-s ad kept hot. In practice, it is kept at such a
temperature that the melted para?in, or 75
justably mounted on framerods 218.
Each weight 216 is substantially horizon
other suitable sealing material, will not only
tal and the arm or link 215 is inclined (see be thoroughly distributed by means of the
Fig. 4) so that when the weight is lifted by appliers 221 in pocket 220 but will cause
a leaf that is being pushed along the table sufficient saturation of the undermost flaps
115 219 said weight moves up in the arc of a
to cause the overlapping flaps to adhere
80
circle, thereby avoiding the frictional re_ ?rmly. The tops of the rolls 221 are slightly
sistance to being lifted that would result above the plane of the passage of the bottom
' from guides directing it perpendicular. In of the wrapped loaf so that the pressure, as
other words, the late swings instead of be
20 ing pushed straig t up.
‘
p
the loafpasses over the pocket 220, will aid
in effecting saturation. As’ shown in Fig
85
The pushers 214 slide the loaves over the ures 3 ‘and 21, the upper surface of the seal-'
upper surface 219 of the sealing table which ing table or a portion thereof is formed
is hollow (Fig. 4) and kept heated by suit‘ with laterally inclined grooves 240. These
able means such as steam connections with grooves act upon‘v the bottom flap to work
25 the space below the surface 219.- In a de aside surplus paraffin and also smooth out 90
pression or pocket 220 in the sealing table the bottom ?ap from the middle toward the
are mounted two idle rolls 221 (Figs. 21, 22 ends so as to aid in imparting a smooth
and 25). A. pipe 229 for a suppl of suit
30
?nish to the sealed bottom of the loaf. . To
aid in preserving the smooth condition of the
para?in. leads into the pocket 220 to supply bottom folds of the wrapped loaf after it
able material, such as melted wax
nown as
95
said rolls with wax and apply it to the under leaves the sealing table, we employ a belt
surface of the wrapped loaf, which under 241 the upper surfaceof which is constantly
surface carries the overlying ?aps of paper traveling rearwardly or in a direction oppo
as indicated in Figure 32, so as to seal said site to the direction vof movement of the
35 ?aps as soon as the article cools, as pres
loaves, said, belt being open to the atmos
100
phere and of su?icient length to permit
ently described.
Suitably mounted below the sealing‘ table sufficient cooling of the paraffin wax while
40
is a receptacle or tank 223 (Figures 1, 4, 21 the wrapped loaf is being pushed along by .
and 23,) ‘said tank having a horizontal heat the pushers 214 over said belt 241. Said
ing chamber 224. A supply ‘of para?‘in can belt is mounted upon rolls one of which is 1.0 5
be deposited in the tank in any suitable man carried by shaft 234 and the other by a shaft
ner. To supply the sealer in the pocket 220 242 (Fig. 4). The shaft 242 is driven by
from said tank, we employ suitable pump suitable chain gearing from the shaft 212
mechanism, such as illustrated in Figures 21, as indicated by dotted lines in Figure 4, the
45 23 and 24.
Within a lateral extension of belt 241 acting upon the roll of shaft 234 so 110
as to cause pulley 233 (Fig. 1) to actuate
the tank 223 is a casing 226 containing in
termeshing toothed members 227. Admis the pump through belt 232. The belt 241
50
sion to the space is provided by a port 228.
Opposite said port is a pipe 229 which leads
to pocket 220. One of the toothed members
227 is mounted to rotate witha vertical shaft
230 having a pulley 231 driven by a belt 232
is made of suitable material, such as canvas,
which will to some extent act as an‘ absorbent
so that when the wrapped loaf leaves the
heated sealing table and is pushed on to and
over the reversely traveling belt 241, the sur
from a pulley 233 on a shaft 234 supported plus melted wax will be immediately wiped
by ears 235 suitably mounted as indicated in oil’ by said belt.
Figure 4. Any surplus supply of melted To remove any caked material which may 120
para?in, due to more than su?icient opera be accumulated on the belt, a suitable
tion of the pump or due to the fact that no scraper may be provided to act upon the
wrappedloaves are traveling over the ap under surface of the=belt to remove said
plier 221, is taken care of by over?owing into material and permit it to drop into a tank
60
gutters 236 (Figs. 21 and v23) from which it 237 (Fig. 1). The direction of motion of 125
?ows through suitable apertures into lower the belt 241 ‘is indicated by arrows in Fig
gutters 238. The gutters 238 have suitable ures 1, 4 and 21.
The pushers 214 deliver the wrapped ‘
connections, not necessary to illustrate, for
delivering surplus
as tank 233.
wax ' back into the loaves onto a belt 244 which travels in the
direction of the arrow in Fie 4, said belt 130
anaemia
being mounted on rolls 245,
and de ‘height, it is desirable that the feeler shall
livering the loaves onto the ?nal delivery operate laterally instead of vertically. To
carrier belt 247 one end of which is mounted meet thisvsituation, We provide a feeler con
on a roll 248. Shaft 242 is driven by suit sisting of a plate 270 yieldingly connected
able means such as a chain 243, indicated to the wall plate 46 as at 271 and limited as 76
by dotted lines in Figure 4,- connecting to its movement toward the left in Fig. 11
sprockets carried by shafts 212, 242. Gears by an car 272 overlapping a stop 273. .In
10
15
249, 250, (Fig. 1) are of such sizes relativel place of the lever. member 94 of Figs. 7
to each other and to, the gearing with shag and 8, we employ a lever member 274 hav
212 that the belt 244 is driven considerably
faster than the speed of the pushers 214, so
that the instant that a wrapped loaf is de
livered by a pusher 214 onto belt 244, the‘
latter takes the loaf away before the direc
tion of motion of that pusher in an upward
ing a weighted outer end 275. Pivoted at
276 to the wall plate 46 is a lever 277 having
one arm provided with a roll 278 engaging
the under surface of lever member 274 and
having its other arm extending through a
slot in wall plate 46 and provided with
direction around shaft 212 can “kick” the a roll 279 bearing against the feeler 270.
loaf over.
75
80
Without such provision of the The weight 275 acts through lever 277 to
faster movin
belt 244, the pusher would hold the parts normally approximately in
the positions shown in Figs. 11 and 12.
be liable to “ ick” or roll the loaf over on
20
25
30
35
40
its side. Said belt 244 therefore serves to When a loaf passes by feeler 270, said feeler
ensure uniform delivery of the leaves onto acts through lever 277 to raise lever mem
the carrier 247 with their ?at bottoms sup ber 274 more or less according to the width
ported thereon. In order that this last belt of the loaf. As the other parts of this mech
85
may move so that the loaves placed thereon anism would vremain the same as those shown
will be in close array, to facilitate their in Figures 7 and 8 to the right of pivot
removal b an attendant for packing, the pin 95, the results will be the same as here
shafts of t e rolls 246, 248 are connected by inbefore describedin connection with said
speed-reducing gears such as indicated by Figures 7 and 8.
‘dotted lines in Figure 4. This gearing is, As the machine operates rapidly, it is de
in fact, so proportioned that the belt 247
carries the wrapped loaves away almost in
contact with each other, and the said belt
247 is, in practice, of such length as to per
mit an attendant to leave it, while Wrapped
loaves accumulate thereon, for a sul'licient
length of time to enable him to deposit a
supply of un-wrapped loaves on the loading
sirable that each loaf introduced by a pusher
48 (Figs. 1, 2 and 3) shall not rebound from
stop plate 81 (Figs. 4 and 5) so that said
loaf will stop in proper position to be‘car
95
ried up through the vertical chute and prop
erly wrapped. . To check the loaf from such 100
rebound, we provide a spring plate 280
(Figs. 5, l3 and 14) said plate being se
gravity slide-way 42, 43. It is therefore cured at one end to the wall plate 46, as
quite feasible for one person to attend to by rivets 281, and extending through a slot
both supplying and removing the loaves.
282 in the wall plate, and having an aT'n
A bridge 262 rising from a support 263 283 passing through another slot 284 in the
105
(Figure- 4*‘) between any two‘of the belts wall plate, the end of said arm being bent
45
prevents the loaves from “toppling over ” as at 285 to engage the outer or rear sur
as they pass from one to the other.
\face of said wall plate to limit movement
When the advancing edge of the web of; of the spring plate or friction check 280 in
paper is being advanced over the paper bed
88 by the feed rolls, the mot-ion is so rapid
that it is desirable to render it certain that
the paper shall be held ?at upon said bed.
50 T 0» this end 'We may provide a series of ?n
a direction away from the Wall plate. The
check yields to permit a loaf to be positioned
gers 264 (Figs. 5 and 20) which bear li htly
As a further and more positive means for
ill)
against stop plate 81, but holds the loaf
against Wall 44 with suflicient pressure to
revent it from rebounding.
115
upon the paper but are ?ee to yield
any preventing rebound of a loaf, and to deter
wrinkle or thick spot in the paper should mine the proper position for each loaf in the
come in contact with them. They are loosely space-or chamber at the lower end of the
55 pivoted to a transverse rod 265 near the
folding chute, we sometimes employ an up 120
slot for the knife, said rod being suitably right stop 286 (Figures 8 and 14) at the rear
supported at its ends so that it may be verti end of the feeler or shoe 93. When a loaf is
cally adjusted if di?'erent thicknesses of pa carried under the member 93 by a pusher 48,
per are being used. Of course, these ?n— it lifts said member which then drops back
6-0 gers 264 terminate short of the path of move behind the loaf as soon as the latter clears
125
ment of the knife.
I
‘ I
the rear end of said member 93, and said ston
We will now describe the modi?cation then presents a barrier to any return move
illustrated in Figs. 11 and 12. If the loaves ment of the loaf no matter how forcibly the
to be Wrapped are of a character which pre latter is moved against plate 81 by a pusher
65 sent variations in width rather than in 48. In other Words, we provide a space or 130