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Патент USA US2128963

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' Sept. 6,1938.
H. PAxToN
Box LIDDER FEED
"2,123,953
‘
'
original Filed April '24, 1955
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sept. 6, 193s.-
H. vPAx'roN
2,128,963
BOX LIDDER FEED
Original Filed April 24, 1955
3 Sheets-Sheet 2
Sept. 6,
1938.,
H. PAx'roN
2,128,963
BOX LIDDER FEED
' Original Filed April 24. 1935
P.
3 Sheets-Sheet, 5
,
mm.
4mm/ff Í
2,128,963
Patented Sept. 6,- 1938
PATENT oEElcE
i UNITED STATES
2,128,963
,
BOX LIDDER FEED
'
l
Hale PaxtonfSanta Ana, Calif., assigner to -ii'ood
Machinery Corporation, San Jose, Calif., a cor
. » poration of Delaware
` ’original application April 24, 1935, sei-laiL No.
Divided and this application February
2'1, 1938, Serial No. 191,565
7 Claiml; (Cl. 1_1@
I 17,970.
' similar to Fig. '1 and showing the box stop in
This invention relates to devices for feeding
boxes to and from a lidder and has particular
elevate'dposition.
' utility in the operation of a lidder in lidding boxes
overñlled with fresh fruits or vegetables.
This case is a division carved from the joint
5
application Ser. No. 17,970, filed April
24, 1935, ,
by 'Chester E. O’Donnell and myself on a “Method
’ of and apparatus for packing fresh whole fruits
10
and the like".
'
'I'he present invention embraces that portion
of the subject matter presented in the parent caseabove referred to which relates to the feeding of
a packed box into a lidder and the coordinate
ejecting of the lidded boxfrom said lidder.
It is an object of my invention to provide an
15 improved mechanismv for automatically feeding
vpacked boxes to a lidder and removing the lidded
boxes therefrom.
ï
¿ charge stop operating cam against a roller on such -‘
stop to , disengage this stop from 'the box on the
pre-presser table.
Fig. 10 is an enlarged fragmentary sectional
»
The manner of accom lishing this object> as
detail View taken on line |0--||i of Fig. 6 andv
showing the stop cam operating latch and lug.4
Referring specifically to the drawings the ap
4well as further objects and advantages will be
made manifest in the following description taken
in connection with the accompanying drawings:
paratus of my invention illustrated _therein may
be indicated by the numeral 2|), this apparatus in
Figure 1 is a~ front elevational view ci the pre
ferred embodiment of the invention.
cluding a lid pressing. nailing and strapping ma 25
chine 2|, a pre-pressing machine 22, and a box
Fig. 2 is a horizontalsectional view taken
. on the line 2-2 of Fig. l.
Fig. 3 is an enlarged fragmentary perspective
view illustrating the details of the control mecha
nism in the pre-presser.V
3
~
I
Fig. 4 is a fragmentary sectional view taken on
„ the line 4-4 of Fig. 2.
'
Fig. 4a is a fragmentary diagrammatic View
taken on the direction of the arrow 4a of Fig. 3,
and illustrating the overthrow mechanism -of the
pre-presser in neutral position.
-
Fig._4b is a view similar to Fig. 4a.A and illus
trates the overthrow mechanism in position for
elevating the press table. .
Fig. 4c is a view similar to Fig. 4b and illus
4o trates the overthrow mechanism in position vfor
lowering the press table.
,
.
Fig. l5 is a fragmentary operation view of the
pre-presser and control mechanism for feeding
the box into the lidder and shows the pre-presser
5 table moving downwardly with the ejector dog
shifting the box against the discharge stop to
position the latter over the operating cam there
for.
'
Fig. 6 is a fragmentary operation view illus
50 trating the situation at the _instant of completing
the downward movement of the pre-presser table
in progress in Fig. 5.
Fig. 8 is a view similar to Fig. 5 and illustrat
ing the ejection of a box from the pre-presser
into the lidder with the consequent restoration of '
the discharge stop in the pre-presser to its ver
tical position, and the automatic lowering of the
stop operating cam into its inoperative position.>
Fig. 9 is a view similar to Fig. 5 illustrating
thesituation where the table of the pre-presser 10
has arrived downwardly with a loaded box during.
the performance of a lidding operation in the
lidder, this view showing the lidder table returning
to its downwardmost position, upon arrival at
which this table will shift the pre-presser dis 15
o
Fig. '7 is a transverse sectional view taken on
the line 1--1 of Fig. 6.
55
Fig. 7a is an enlarged transverse sectional view
mechanism 23 for supplying
overñlled packed boxes with the machine- 2|
. conveyor and feed
>and 22.
The lid pressing, nailing and strapping ma
chine 2| is preferably similar in structure and
operation to the machine of this type disclosed in
application Ser. No. 688,104, iiled September 5,
1933; by myself and joint inventors Gerald C.
Paxton and Harry D. Benson, or it may be like the
machine disclosed in application for U. S. Letters
Patent Ser. No. 709,176, ñled January 31, 1934, by
the same three applicants, said applications hav
ing been co-pending with the parent case of the
present divisional application, and having since 40
issued as U. S. Letters Patent No. 2,084,048 and 4
No. 2,093,733, respectively.
Neither side fiushers nor a crown sheet are em
ployed in the machine 2|. With this exception
and the exceptions to be noted hereinafter, the'
machine 2| may be identical with the machine de
scribed in either of the co-pending applications.
The machine 2| has a frame 32 and a nailing
table 33 vertically reciprocable within the frame
32 by a power unit 34 controlled by YaY pedal 35. 60
Mounted on the upper end of the frame 32 are
nailing heads 36 and a strapper head 31.
The nailing table 33„ a plan view of which is
shown in Fig. 2, includes end cross'bars 40 hav
ing upright guide bars 4| at their opposite ends
55
.
2
aiaeßes
for sliding within vertical angle iron members
43 of the frame 32.
'I'he end bars 40 are con
nected by longitudinal bars 44 and 45 upon
f which are mounted idle rollers 46.
Pivotally
mounted on the cross bars 40 and having oper
ating mechanism exactly as shown in the ñrst
mentioned co-pending application are side flusher
shafts 48, the shaft carrying no flushers,y how
ever. but instead lateral box centralizers 49 and
10 longitudinal box centrali-zers 50 which brought
into operative relation with a box on the table
the link 54. 'I‘his being the case, the link 54
telescopes as above described causing the com
pression of the spring 54f and when the box
has entirely passed over the stop 61, this spring
extends the link 54 to its full length and returns
4the stop 51 to its upwardmost position as shown
in Fig. 4.
.
'I'he ejector and stop mechanism 62 also in
cludes an ejector spring 52d, coiled about the
shaft 52a and anchored at its forward end adja
33 when the table is elevated by inward swinging cent the collar 52D'. The opposite end of the
of shafts 48, as fully described in the ñrst above ` spring 52d connects to a block 52e slidable on the
shaft 52a and carrying an ejector dog 52j which
mentioned co-pending application.
~
v
15
Mounted between the bars‘45 is a box ejector is` constantly spring pressed into its upwardmost
position as shown in Fig. 1. Pivotally mounted 15
and stop mechanism 52. Themechanism 52 in
on
the block 58a is a chain pulley 58h over which
cludes a discharge stop 51 and a. rebound box
a ‘chain 58e, connected to the block 52e, extends,
stop 58. Connecting the stop 51k with al down
ward extending arm 53 on one of the shafts 4B ls this chain passing downwardly as shown in Fig.
20 a link 54 which swings `the stop 51 down away
from in front of a box on the table 33 each time
the shafts 48 are swung inwardly by the lifting
of the table.` 'I'he link 54 is telescopic in con
struction and includes a rod 54a which has a
25 head 54h at one end and a clevis 54e at the op
posite end which pivotally connects to the arm
c 53. 'I'he rod 54a is slidable in lugs 54d provided
on a member 54e which is pivotally connected vto
an arm 51a extending laterally from the hub of
30 the stop 51. Coiled about the rod 54a between
the clevis 54c~ and the lowest of the lugs 54d
is an expansive spring 541‘ which tends to main
tain the link 54 in its extended condition of
greatest length as shown in Fig. 4 but which
35 permits the telescoping of, this link to reduce its
length.
,
"
.
j
"
'I‘he stops 51 and 58 (Figs. l, 2, 9 and 10) are
mounted on a shaft 52a, the opposite ends of
which are supported on the table bars 4|). The
40 stop 51 is rotatable on this shaft and is yield
ably urged against a. collar 52h, fixed on the
shaft, by a short expansion spring 52e coiled
about the shaft. When a box is delivered onto
the table 33, it depresses the stop 58 which is
pivotally mounted on a block 58a’flxed on the
shaft 52a,Y the stop 58 (Fig. 10) being yieldably
pressed upwardly into its stop position as shown
in Fig. 1. When this box hits the stop 51, it
compresses the spring 52e, the box at this time
clearing the stop 58 and permitting the latter
to be lifted by its hidden spring into its stop
position as shown in Fig. 1. When the inertia
of the box has been stopped by lthe compression
of the spring 52e, this spring shifts the box
5 and connects to a spring means 58d mounted
on the frame 32 of the lidder 2|.
The` spring 20
means 58d takes up »the slack in the chain 52e
when the table 33 is ln its downwardmost posi
tion and as the table rises with the box dis
posed between the stops 51 and 58, the chain
58e compresses the spring 58d to its limit and
then pulls the block 52e with the ejector dog 52j 25
thereon in a leftward direction until this dog is
free to be spring pressedA upwardly opposite the
rearend of the box as shown in Fig. 9. Thus,
when the box is freed from thelongitudinal cen 30
tralizers 50 and from the `stop 51 by the out
ward swinging of the shafts 48, the power of the
spring 52d is released against the box through
the ejector dog 52j in ejecting the box from the
lidder 2|, this returning the dog 52j and spring 35
52d to the condition in which these are shown
in Fig. 2.
Pivotally mounted on the inner face of a down
ward extension from the front one of the longi
tudinal bars 45 as shown in Figs. 1 and 2, is a 40
spring pressed latch 55 having a lug 56 (Fig. 10)
extending inward therefrom, this latch being positioned to be engaged by a box entering the
machine 2|, rocked about its axis and then dis
engaged by said box before the latter comes to
rest upon the table r33 in its proper position. 45
Leading from- the `discharge end of the machine
2| is a section of roller conveyor 59.
The pre-presser 22 hasa frame 62, a vertically
reclprocable table 63 and a table elevating power
unit 64, all of which are identical with the corre 50
sponding parts oi' the lid nailing and strapping
machine 2| with the exceptions to be noted here
backwardly against the stop 58, there still being
inafter.
a gap between stop 51 and the collar 52h when
this takes place. Upon the operation of the
corner posts 65 of the frame 62 is a presser plate
lidding machine 2|, as described in the first afore
mentioned co-pending application, the inward
60 swinging of the shafts 4E by engagement of
Mounted upon upper ends of four angle iron
assemblyv66 including longitudinal bars 61 and
68 upon which are yieldably mounted a com~
presser plate 14, which is formed in two halves
each of which is supplied with 'a soft rubber 60
pad 19.
'
rolls 48a with cam tracks 4Bb shown in Fig. 4,‘
causes the stop 51 to'be rotated by the link 54
As above stated, the table 63 is supported on
until the stop is disposed downwardly- from in
«front ofthe box. The pressure of the spring and vertically reciprocable by the power unit 64
52o against the stop 51 immediately forces this
along the shaft 52a against' the collar 52b so
that the stop 51 is now disposed under the box.
With the downward movement of the table 33,
the shafts 48 are returned to their positions as
70 shown in Fig. 4 by springs 53a connecting the
lower ends of arms 53 on the shafts 48. Nor
mally the box is still disposed over the stop 51
when the table 3ft reaches its downwardmost
position as shown in Fig. 4, so that the stop
75 51 cannot be returned to its upward position by
in the same- manner as described in the first
above mentioned co-pending application.
As
shown in Fig. 2, the table 63 is substantially simi
lar to the table 33 of the machine 2|, and both
65
of the tables in their downwardmost positions l
are on the same level. Parts of the table 63,
like c`orresponding parts of the table 33, are as
followsiend bars 95 having upwardly extending
guide arms 96 and connected by longitudinal
bars 91 and 98, between which are mounted roll~
ers 99, there being an ejector and stop assembly
|00 mounted between the bars 98 which is sub
.
2,128,963
Pivotaliy mounted on opposite ends lof each
stantially like the- assembly 52 excepting as to
the means of operating 'the discharge stop Ill.
ilusher |66 is an end ñusher |66 having an oper-'
ating arm |63 which is connected by a link |10
toy a. goose neck |1| formed on the upper end of
The ejector and stop assembly |00 (Fig. 3)
includes ‘a shaft |05 which is supported as by
having its opposite ends welded upon-the end
bars 95 of the table.
3'
the adjacent table guide member 96. When the
table 63 is elevated and the rollers |6| strike the
cams |62, the shafts |60 are rotated, swinging
This shaft supports a
block |06 iixed thereto, said block carrying a
the fiushers |66 inwardly. The goose necks |1i,
chain pulley |01, underneath the bar |05, and 4ci' course, move upwardly with the table 63 and,
a box rebound stop |06 pivotally.lmounted on
with the inward movement of the flushers |66,
said'block and yieldably spring pressed upwardly the
end fiushers |68 are swung into end ñushing
into the position in which it is shown in Fig. 3.
positions as shown in Fig. 6 by the links |10, the
end ilushers reaching these positions just as the
side flushers |66 reach their full inward flushing
Fixed upon the shaft |05 adjacent the` opposite
endl of the table 63 is afspring anchor collar ||0
to which is anchored a heavy contractile spring
15 ||| which is coiled about the shaft |05. The
opposite end of this spring is connected to a
slide block | i2 on which ispivotaily mounted an
positions shown in this ñgure.
limit control finger |15 (Figs. 1 and 3) and a .
downward limit control cam |16. Carried onvthe
inner face of one of the longitudinal bars 03 of
the table 63 is a low voltage box delivery control 20'
switch |11 (Figs. 1 and 3) having a `switch
ejector dog ||3, this being yieldably urged up
wardly into the position in which it is shown in
20 Fig. 3 by a small concealed spring on said slide
block.
`
15
' y
The table 63 also carries an apertured upward
»
finger |16.
The frame 62 (Fig. 3) includes a longitudinally
disposed channel ,iron member |15 ‘and a flexi
~-
'
Extending forwardly from the channel frame
member 115 (Fig. 3) is a frame bracket |30, and
ble chain ||6 extends from the slide block ||2,
a switch control shaft |3| is pivotaliy mounted`
25 over the pulley |01, and downwardly through a
between this bracket and 'a member |32 of the
irame 62. ‘The control arm |0| has arms |85, |86,
|61, |66 and |09 provided thereon. The arm
|65 is connected by a link |90 (Fig. l) to an eye
suitable ’aperture in the member ||5 where ~it is
yieldably held by a spring means i i1 (Fig. 1).
Extending downwardly from one of the longi
tudinal bars 91 as shown in Fig. 8 is a spring
|0| which surrounds the stem. |02 of a switch |33 30
30 bracket finger `|24. As shown in Fig.y 3, the dis
which 'controls the power elevating mechanism
charge stop |0| has a hub |26 which, with a
and which is constructed and operates in ex
strong, stiff compression spring |21 is trapped on 64
actly the same manner as the corresponding
the shaft |05 between the adjacent end bar 05 switch in the ñrst above mentioned co-pending
and a stop collar |23. As shown in Fig. 7a., the
hub |26 has a downwardly extending/bearing application. The stem |92 has collars |96 and
|35 which are disposed above and below thev eye
arm |29 which is apertured to receive va stub
shaft |30 on which a cam roller |3| is rotatably lai.
The arm |66 connects to the lower end of a
mounted. VThe bearing arm |29 has a lateral ex»
.
control
|96 (Fig. l.) which extends upward
tension |32 which is connected by a contractile through rod
the aperture in the ñnger |15 and has 40
spring |33 to the spring bracket arm |24. The its -upper extremity guided vertically by a guide
spring |33 yieldably maintains the discharge stop
|0| in upright position -as shown in Figs. l, 2, 3,
5, 7a, 8 andi).
4
~
As shown in Figs. 1 and 2, the machines 2|
45 and 22 are connected by a short idle roller con
veyor section |45, the opposite ends of which are
secured to the frame 32 and 6‘2`of these machines
respectively. Provided on the conveyor section
|45 are bearing blocks |41 which carry a shaft
|40 having mounted thereon a cam supporting
rocker |49. The rocker |40 has arms |50 which
slidably support a cam |5| as shown in Figs. l,
’ 2. 5. 6», 8 and 9.
Light coil springs |52 on the
arms |50 maintain the cam |51 against cap
55 screws |50a screwed into the ends of arms |50.
Thev rocker |49 also has an arm |53 which ex
tends upwardly within the structure of the table
33 when this is in its lowermost position and is
engaged by a horizontal surface on the latch`55
60 whenever the latter moves downwardly with’ the
table 33 into its iowermost position as shown in
Fig. 1. Whenever the arm |53 is disengaged by
the latch 55, the rocker' |59 rocks by gravity
owing to the weight of cam. |5| so as to lower
65
the latter into its lowermost position in which
it is shown in dotted lines in Fig. 7a.
'
The table 63 has ii'usher shafts |60 which are
actuated in identically the .same manner as illus
trated in the first of the aforementioned co
70 pending applications, that is by rollers |6| and
cam tracks |62 (see Fig. 4). These shafts have
|01 provided on the overhead frame-plate 61 as
shown in Fig. l. The rod |96 has an \upward
-limit
collar |90 provided thereon as shown -in
Fig. l, the position of this collar on the rod |36 .45
being adjustable, and being adapted to be en
gaged by the upward limit finger |15 on the table
63 as this table approaches its upwardmost posi- '
tion to reverse the switch |33 and the operation
of the elevator mechanism 64, this causing the. 50
table to be lowered.
»
The arm |61 as shown in Figs. l and 3 is
adapted to be engaged by the downward limit
control cam |16 on rthe table 63 as the latter ap
proaches its downwardmost position so as to rock
.55
the shaft |8| and operate the switch |93 to halt
the downward movement of the table 63. The
arm |83 is connected through a link 200 with a
full bell crank 20| which is in turn connected by
a link 202 to a leverl 203 pivotally mounted on 60
a bracket 204 which is supported on the channel
member H6. The upper end of the lever 203 has
a dog 205 pivotally mounted thereon as shown in
Fig. 3, this dog being yieldably held by a spring
206 in the position shown. The arm |69 has a 05
pin 2id at its lower end which is connected by a
contractile spring 2li to avpin 2 i2 provided on.
the bracket |60. Also provided on this bracket..
are stops 2\_|3 and 2|4.
i
The box conveying and feed mechanism 23 is 70
best shown in Figs. 1 and 2 and includes a hori
zontal' belt conveyor system for collecting the
upwardly extending arms '|63 carrying lateral packed boxes to be handled in the apparatus 20,
box centralizing members |64, longitudinal box y this system being represented by the conveyor
centralizing members |65 and side ilusher` 220 and being driven by a motor 22| connected to 75
75 blades |66.
4
v2,128,963
this conveyor. This motor is controlled by
switches 222 and 223 having arms 224 and 225
which are positioned as shown in‘Figs. 1 and 2
_ so as'to be engagedby boxes travelling upon the
conveyor 220 and upon a short section of idle
conveyor 221 located between the conveyor 220
and the machine 22. The motor 22| is driven by
power transmitted through switches 222 and 223
with the latter connected in parallel so that this
motor runs continuously excepting when both
arms 224 and 225 are engaged by boxes as afore
said to deenergize the motor 22|.
Mounted so as to extend slightly above the up
permost surface of the idle roll conveyor section
221 just at the entrance to the machine 22 is a
feed roller 230 which is power driven by a motor
23|, current being `supplied to said motor through
the switch |11, the motor being deenergized when
ever the arm |18 is depressed> by a box resting on
the table 63. Owing tothe necessity for the table
83 to reciprocate vertically in the operation of the
machine 22, switch |11 is, of course, connected to
the motor 23| through a flexible cord.
Operation
'I'he operation of the apparatus 20 is as fol
lows. Electricity is first supplied to the various
switchesfor running the motors controlled there
by. Assuming the machines 2| and 22 and the
30 conveyors 220 and 221v to be empty, the `conveyor
220 is thus set in motion by the motor 22| and
the feed roller 230 is rotated by its motor 23|.
As boxes B travel along the conveyor 220 onto
the idle roll conveyor section 221 so as to extend
rest with its forward end resting on the roller 230
as box B is shown in Fig. 1. When resting in
this manner, the foremost box has moved entirely
off the conveyor 220 so as not to interfere with
continued operation of the latter. When in this
position, the foremost box engages the arm 225
and swings it so as toshut off the switch 223.
If, while this box remains in this position, an
other box arrives at the discharge end of the
conveyor 220 so as to engage and swing the arm 10
224 and shut olf the switch 222, this deenergizes
the motor 22| and -causes the conveyor system
terminating with the conveyor 220 to be halted.`
This halting of the conveyor 220 continues until
the foremost box is subsequently delivered into 15
the machine 22, as will be described hereinafter.
As the table 63 is elevated with the box' B rest
ing thereupon, the fruit F which extends above
the upper end of the box is brought into engage
ment with the pad 90 of the pressing plate 14 20
so as to compress this fruit into the box and leave
the upperi face of this fruit disposed with an
arcuate contour corresponding to that of the
presser plate 14. The amount of pressure thus
applied is determined by the position of the col
lar |98 on the control rod |96 so as to select the
25
height at which the table has been lifted before
the switch |93 is reversed thus causing the ele
vator mechanism 64 to cease elevating the table
63 and commence drawing the latter back down 30
wardly.
.
A center guard 80 disposed over a partition P
of the box B comes to rest on this partition and
35 onto the feed roller 230, this feed roller picks up is lifted upwardly thereby during the elevation of'
the box.
_
35
. the foremost box and delivers it at an accelerated
As the table 63 rises, spring means I | 1 as shown
speed onto the table 63 of the machine 22. The '
rapidity of this delivery causes the box, upon en
gaging the discharge stop |0| to compress the
40 spring |21 measurably as shown in dotted lines
in Fig. 9, and as the inertia of the box is over
no
in Fig. l is ñrst compressed and then draws down
wardly on the chain ||6 to draw thel slide block
||2 leftward and stretch spring |||. This car~
ries the ejector dog || 3 to the left until it comes 40
come, the latter is repelled back against the stop up underneath the reversal stop |08 opposite the
|08 which in the meantime has been lifted` by its rear end of the box B. As the elevator table
spring into position at the rear of the box. With - starts downwardly, the dog || 3 is shifted by the
this rearward movement, the box also engages the springs ||| against the rear end face of the box
B and further contraction of the spring ||| for 45
dog 205 and shifts this rearwardly thereby rock
ing the lever 203 t'o swing the lower end of this the time being is now prevented by the trapping
forwardly and, through _the linkage 200, 20| and vof the box between the'centralizers |65 and the
202 and the arm |88, rocking the shaft |8| to presence of stop |0| along the path in which the
swing the overthrow arm |89 from the position box mustV be ejected in feeding this into the lid
der 2|. When the table 63 has moved down 50
in which it is shown in Figs. 3 and 4a to the posi
tion in which the latter arm is shown in Fig. 4b. ~ wardly to the point illustrated in Fig. 5, the cen
It will be noted that in this movement of the tralizers |64--|65 and ilushers |61-|68»have
arm |89 the axis of spring 2|| is shifted across been withdrawn from their embrace of the box.
With this release of the box B from all re
the axis of the shaft |8| to bring the arm |89
straint but that of the stopv |0|, the powerful 55
against stop 2|3 so that the spring 2|| now re
tains the shaft |8| in the position into which it pressure exerted against the box by the spring
||| compresses the weaker spring |21 between
was just shifted. This rotation of the shaft |8|
lifts upon the link |90 and the eye |9| (see Fig. 1) A the discharge stop |0| and the adjacent end bar
00 so as to lift on the collar |94 carried by the link »95 of the table 63, this movement of the box
|90 thereby drawing upwardly the stem |92 of
the switch |93. This actuates the switch to set
in motion the elevator mechanism 64 thereby
starting to move the elevator table 63 upwardly.
' Owing to the fact that the spring 2| | holds the
arm |89 in the position in which it is shown in
Fig. 4b this upward movement of the table 63
will now continue until some positive force has
' been applied to throw out the switch |93.
taking place a short distance before the table 63 60
reaches its lowermost position. This shifting of
the discharge stop |0| along the shaft |05 shifts
thc roller | 3| longitudinally to position it above
the cam |5| with the result that as the table 63
completes its downward movement, the roller |3|
engages the cam |5| on its cam surface |5|a
which rocks the discharge stop |0| about the
shaft |05, this resulting in the release of the
box B, as shown in Fig. 6, followed by the ejec
As box B moves onto the tableÍ 63 and over the ’ tion therefrom by the ejector |00, so as to impel
switch |11, it engages the switch arm |18 and> this box over the idle conveyor |45 and into the
shuts off the motor 23|, thus stopping rotation of machine 2| as shown in Fig. 8.
the feed roller 230. Any box delivered onto the
As the box enters the machine 2|, it engages
conveyor section 221 therefor while the box B is latch 55 and swings it forwardly thus shifting the
75 still resting on the table 63 will merely come to
lug 56 on the latch 55 (Fig. l0) away from over
75
aisance
the arm |53 ofthe cam rocker |43. This engage~
ment permits the weight of the cam |5| (Fig. 18)
to rock the rocker |43 to lower the camv |5| out
ofoperative relation to the roller |3| on the stop
lll. However, at the very instant the stop ||||
is rotated downwardly away from in front of
,
5 I)
resulting` from the return of the table 33 to its
lowermost position will cause the cam |5| to' en
gage the roller |3| and rotate the stop ||l| out
from in front» 0I the box B on the table 63 in ex
the box B, as shown in Fig. 6, the spring |21
expands >to push the stop |||| inwardly into con
tact with the collar |23. Thus, when the box B
has- passed- overthe stop Nil, the roller l3| on
actly the same manner as, and with the same re- f" 5
suits as above described, wherethe cam|5| _was
latched lin raised position and was then engaged
by the roller |3| as the table 63 returned to its
lowermost position. That is, in either case, the _/
cam |5|`rotateslthe stop ibi out from in front _of 1o
' said stop is not only rendered free from cam |5|
by the lowering ofthe latter as aforesaid, but is
also now out of alignment with this cam by the
response above noted of the stop |0| to the spring
15 |21.y The stop illl is thus doubly free to respond
to its normalizing spring |33 which returns the
stop to its upright position as shown in Fig. 8.
From the foregoing, it is clear that the deliv
ery of a box onto the table -33 in the lidder 2|
the box on the table 63 allowing the box to be .
ejected by the ejector |00,_discharging the box
rapidly from the machine 22 into the machine 2|.
Y What I claim is:
1. In combination: a lidder including a nailing 15
table, lid pressing and nailing mechanism sus
pended overhead, and an elevator for lifting said
table with a packed box resting thereon into op
erative relation with said mechanism to lid said
box, and then lowering said table to permit the 20
20 dlsengages the latch 55 from the cam rocker arm ’ iidded box to be discharged therefrom; feeding
|53 so as to permit the cam |5| 'to drop into its means for delivering a box onto said table; stop l
inoperative fposition .relative to the stop lill. It
, is likewise clear that the cam .|5i must be raised
means for preventing a box from passing from
said feeding means into said lidder; and control
into operative position before- a box may again means responsive to the downward travel of said
25 be discharged from the pre-presser 22. The only , table to render said stop means inoperative' to
way in which the cam |5| can be thus raised is by stop said last mentioned box from being fed into
„the elevation of the tal'ile 33 of the lidding ma
lidder.
~
chine 2| a sumcient distance so that on its return said
2. In combination: a lidder including a nailing
downward the lug 56 on the latch 55 will engage table, lid pressing and nailing/mechanism susand rock the cam rocker |49 to lift the cam |5i. pended overhead, and an elevatorfor lifting said
A reciprocation of the table 33 having this eilect table with a packed box resting thereon into op
may be accomplished by manipulating the pedal ‘ erative relation with said mechanism to lid said
35, of course, without lidding a box resting on this box, and then lowering said table to permit the
table. However, in the normal operation of the lidded box to be discharged therefrom; feeding
apparatus'Zß, no such partial reciprocation of the
table 33 would take place. Instead, each time a
box is delivered to the machine 2| and is central
izel longitudinally by the stops 5l and 58, the op
erator, after placing a lid L in the _machine and
25
3o
y
3g
means for delivering a box onto said table; stop _
means for preventing a box from passing from
said. feeding means into said' lidder; control
means responsive to the downward travel 'of said
table to render said stop means inoperative to. 40
stop said last mentioned box from being fed into
said lidder;v and m aris automatically restoring
inserting a strap in the strapper head 3l, steps
40 on the pedal 35 causing the elevating mechanism
3l to lift the table 33 against the nailing heads 36 said stop means to _ ox stopping condition with
and the strapper head 31 so as to apply a lid to ' the passage oi a box’thereovïer.
the box with the ends of the lid engaging the ends
l 3. In combination: a lidder including a nailing 45
of the box, nail the lid ends to the box ends, place table,
lid pressing and nailing mechanism sus
the strap over the middle of the cover, and se
cure the ends of the strap to the sides of the box.
sa
When this is accomplished, the operator releases
his foot from the pedal 35 which automatically
results in the reversal of the motor in the elevat
ing mechanism 3l thereby withdrawing the >table
33 downward to its lowermost position as shown
in Fig. 1. The stop 51 is rotated 4out of stop po
sition with the downward movement of the table
33 by suitable linkage connecting this stop to the
ñusher shafts 43, and the longitudinal box cen
tralizers 5B are also withdrawn by therotation of
such shafts to nonimpeding positions as shown in
this figure, whereupon the ejector dog of the
vmechanism 52 ejects the lidded and strapped box
from the table 33 onto thegrav‘lty conveyor sec
pended overhead, andan elevator for lifting said
table with a packed box resting thereon into
operative relation with said mechanism to iid
said box, and then lowering said table to permit 5o
the lidded box to be discharged therefrom; feed
ing means for delivering a box onto said table;
stop means for preventing a box from passing
from said feeding means into said lidder; control
means responsive to the downward travel' of said 55
table to render _said stop >means inoperative to
stop said last mentioned box from being fed into
said lidder; and means freeing said stop means
from said control means to permit said stop
means to stop another box subsequently‘arrlv- 60
ing adjacent thereto.
_
v
4. In combination: a lidder including a nailing
Whenever a complete reciprocation of the table table, lid pressing and nailing mechanism sus
- pended overhead and _an elevator for lifting said
-33 takes place in lidding a box, a return of the table with a packed box resting thereon into o5
table to its` downwardmost position vas shown in
relation with said mechanism to lid
Fig. 1 always results in the lug 56 on the'latch 55 - ,operative
said box, and then lowering said table to permit
engaging the cam rocker |49, this lifting the cam the lidde'd box to be «discharged therefrom; i'eed-7
|5| into operative position. When this occurs, oi
a box onto said
course, a lidded box is just being ejected from the ing means for rapidly propelling
stop means for preventing a box from ’1.0
table 33, leaving the latter ready to receive table;
719 another box to be lidded. _ It, when the table 33 passing from said feeding means into said lidder;
and control means responsive to the downward
thus moves downwardly, the table 63 of the, pre
travel of said table to render said stop means
presser 22 is in its downwardmost position with inoperative to stop said last mentioned box from
a box resting thereon andwaiting to be ejected
tion
59.
v
'
'
'
'
75 therefrom, the upward movement of the cam. lil
being :ted into said lidder. l,
'
» 6
’
,
2,128,963
5. In combination: a lidder including a nail
ing table, lid pressing and nailing mechanism
suspended overhead and an elevator for lifting
said table with a"` packed box resting thereon into
operative relation with said mechanism to lid
said box, and then lowering said table to permit
the lidded box to be discharged therefrom; feed
ing means for rapidly propelling a box onto said
table; stop means for preventing a box from
passing from said feeding means into said lidder;
control means responsive yto the downward travel
of said tableeto render -said stop means inopera
tive to stop said 'last mentioned box from being
fed linto said lidder; and means automatically
restoring said stop means Vto box stopping con
dition with the passage of a box thereover.
6. In combination: a lidder including a nailing
table, lid pressing and nailing mechanism sus
pended overhead, and an elevator for lifting said
20 table with a packed box resting thereon into
operative relation with said mechanism to lid
said box, and then lowering said table to permit
the lidded box to b'e dischargedtherefrom; feed
ing means for delivering a box onto said table;
26 stop means for preventing a box from passing
from said feeding means into said lidder; con-- ,
trol means responsive to the downward travel
of said table to render said stop 'means inopera
tive to stop said last mentioned box from being
fed into said lidder; Vand means independent of
the`box entering said lidder to be lidded, for
automatically removing the previously lidded box
from said lidder.
7. In combination: a lidder including a nailing
table, lid pressing and nailing mechanism sus
. pended overhead, and an elevator for lifting saidV 10
table with a packed box resting thereon into
operative relation with said mechanism to lid said
box, and then lowering said table to permit the
lidded box to be discharged therefrom; feeding
means for delivering a box onto said table; stop
means for preventing a box from passing from
said feeding means into said lidder; control
means responsive .to the downward travel of said
table to render said stop means inoperative to
stop said last mentioned box from being fed into 20
said lidder; and means independent of the box
entering said lidder to be lidded, for automati
cally and rapidly ejecting the previously lidded
box from said lidder.
’
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HALE PAXTON.
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