US1648252A - Package-wrapping machine - Google Patents

Package-wrapping machine Download PDF

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Publication number
US1648252A
US1648252A US5467125A US1648252A US 1648252 A US1648252 A US 1648252A US 5467125 A US5467125 A US 5467125A US 1648252 A US1648252 A US 1648252A
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US
United States
Prior art keywords
butter
stack
bars
rod
bar
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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Inventor
John P Aldrich
Howard A Morris
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Automat Molding & Folding Co
Automat Molding & Folding Comp
Original Assignee
Automat Molding & Folding Comp
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Priority to US1352A priority Critical patent/US1573024A/en
Application filed by Automat Molding & Folding Comp filed Critical Automat Molding & Folding Comp
Priority to US5467125 priority patent/US1648252A/en
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Publication of US1648252A publication Critical patent/US1648252A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B11/00Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/06Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths
    • B65B11/08Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a single straight path
    • B65B11/16Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a single straight path to fold the wrappers in channel form about contents and then to close the ends of the channel by folding and finally the mouth of the channel by folding or twisting

Description

Nv. s, 1927.
J. P. ALDRICH ET. AL
PACKAGE WRAPPING MACHINE Original Filed Jan. 9. 1925 15 Sheets-Sheetl J. P. ALDRICH ETAL PACKAGE WRAPPING MACHINE 15 Sheets-Sheet 2 Original Filed Jan. 9. 1925 awuentos W WM Nov. 8, 1927. 1,648,252
J. P. ALDRICH ET AL.
PACKAGE WRAPPING MACHINE Original Filed Jan. 9. 1925 15 Sheets-Sheet 3 gniaentou flwA Fad/M Nav. 8, I
J. P. ALDRICH ET AL PACKAGE WRAPP ING MACHINE 15 Sheets-Sheet '4 Original Filed Jan. 9. 1925 anoantozs Nov. 8; 1927.
J.- P. ALDRICH ET AL PACKACIE WRAPPING MACHINE Original Filed 'Jan. 9. 1925 15 Sheets-Sheet 5 J. P. ALDRICH ET AL PACKAGE WRAPPING MACHINE Noy. 8, 19 27. 1 1,648,252
Original Fild Jan. 9. 1925 15 Sheets-Sheet 6 I WW ' Nov. 8, 1927. 1,648,252
J. P. ALDRICH ET AL PACKAGE WRAPPING MACHINE Original Filed Jan. 9. 1925 15 Sheets-Sheet 7 an fientozs ,4 f QZXAM/ WM a,
Maw I attozwup Nov. 8 1 927.
J. P. ALDRICH ET AL PACKAGE WRAPPING MACHINE Original Filed Jan. 9. 1925 15 Sheets-Sheet a vwento'as v I %04w Nov. 8, 1927.
J. P. ALDRICH ET AL PACKAGE WRAPPING MACHINE Original Filed Jan. 9. 1925 '15 Sheets-Sheet 9 Nov. 8, 1927. 1,648,252
.J. P. ALDRICH ET AL.
PACKAGE WRAPPING MACHINE Original Filed Jan 9. 1925 l5Sheets-Sheet 1o Nov. 8, 1927. i 1,648,252
J. P. ALDRICH ET AL PACKAGE WRAPPING MACHINE Original Filed Jan. 9. 1925 15 Sheets-Sheet 1 1 y anantops Nov. 8, 1927.
. t J. P. ALDRICH ET AL PACKAGE WRAPPING MACHINE 15 Sheets-Sheet 12 Original Filed Jan. 9. 1925 anveni'ozs E1 m MM- Nov. 8, 192 7.
J. P. ALDRICH ET AL PACKAGE WRAPPING MACHINE Original Filed Jan. 9. 1925 15.Sheets"-Sheet 15 M M. Q 0 7 u 3 "Gno e Nov. 8, 1927.
J. P. ALDRICH ET AL PACKAGE WRAPPING MACHINE '15 Sheets-sheaf 14 original Filed :Jan. 9. 1925 Patented Nov. 8, 1927.
"UNITED "STATES JOHN P. ALDRICH Am) HOWARD A. MORRIS, or TOLEDO, orno, ASSIGNORS'TO" THE AUTOMAT MOLDING & rotpme COMPANY, OF 'romno, 01110, A conrona'rron or OHIO.
PACKAGE-WRAPPING MACHINE.
ori inal appligation filed J'ariuary 9, 1925, Serial No. 1,352, new Patent No. 1,573,024, dated February 16,
' 1926. Divided and this applieation filed September 5,-1925. Serial No. 54,671.
' ter pound units ofbutter, oleomargarine and the like and packaging a number of such 7 units in a single carton. This application constitutes a division for our copending application Serial No. 1,352 filed Jan. 9th,
1925, now Patent No. 1,573,024.
Objects of the invention are to provide a new and improved machine which is adapted successively towrap bars of butter and the like, to form a stack containing a predetermined number of such wrapped bars, and to enclose the stack in a carton so that as delivered from the machine a unitary package is produced containing a predetermined number of wrapped bars; and, in general, to provide a package wrapping machine having the new and improved features of construction, arrangement and operation hereinafter described.
The invention is shown by way of illustration in the accompanying drawings, in which,--
Figure 1 is a side elevation of aportion of a package wrapping machine. Fig. 2 is a top plan view of the primary feeder. Fig. 3 is a side elevation of themechanism shown in Fig. 2. Fig. dis an enlarged detail section of the receiver. Fig. 5 is an end elevation of the primary feeder showing the mec'hanism for operating the same. Fig. 6 is a side elevation of the plunger or ram. Fig. 7 is a side elevation of a portion'of theram showing one step in the wrapping of a butter bar. Fig. 8 is a top planview of another portion of the mechanism for wrapping each bar. Fig. 9 is a side elevation'of a portion of the mechanism shown in Fig. 8 showing the'connection for operating the folding plu'ngers. Fig. 1 0 is a plan view of one of the folding pressure feet. 11 is a side elevation of that-fold .ing guides. Fig. 12 is a' topview tshowing the operation of the folding plunger. Fig. 13 is a side elevation showing the folding operation of'the kicker paddle. Fig. 14 is a side viewshowing the finger for folding the upper flap of a wrapping sheet. 1 Fig.
15 is a top plan view of the stacking housing. Fig. 16 is a side elevation of the housing shown'in Fig. 15. Fig. 17 is a sectlon on the line 17-17 of Fig. 16. Fig.18 is a side elevatlon of a portion of the machine 1n advance of the wrapper feeding mechanism. Fig. 19 is a top plan view of the machine shown in Fig. 18. Fig. 20 is 'an enlarged detall of one of the folding fingers. Fig. 21 is an end elevation of the machine viewed from the left of Fig. 18. Fig. 22 is a vertical sectional elevation taken on the lines 22-22 of Figs. 18 .and 19. Fig. 23 is a diagrammatic side elevation showing successive o erations performed by the machine. ig. 24 is andiagrammatic sideelevation showing the position of part ofthev mechanism immediately prior to the stack-v ing 0 eration. Fig. 25 is a diagrammatic side e evatlon showing the manner of stackmg the un1ts.- Flg. 26 is a transverse section taken on the line 2626 of Figs. 18
and 20. Fig. 27 is a view similar to Fig.
2d showing the operation of the mechanism: F1g.v 28 1s a transversesection on the lines 28-28 of Figs. .18 and 19. Fig. 29 is a view similar'to Fig. 28 showing theoperation of the mechanism, and Fig. 30 is a plan view of a blank from which a carton is formed.
The embodiment of theinvention, shown for purposes of illustration, comprises a package wrapping machine which is particularly adapted to wrap individual units of butter, oleomargarine and .the like, the
gular bars of one-quarterpound size, and after wrappingaeac'h unit to stack a predeterm'ined number of units to form a sym metrical pile which is thereafter packaged in a. carton. In general, the machihe consists of feeding mechanism A, which is adapted to feed individual butter bars or -units XZtQ aireceiver which is automatically moved to a. position where a plunger m thereceiver to .a
mechanism B, is oper :1e to force each unit C (Fig. 23) "engages it and moves it along a guide. During the forward movement of a the plunger B, relatively thin and flexible units being in the form of elongate rCtanosition where a. kickmaterial is fed in the path of movement,
and by a suitable mechanism hereinafterv de-.
scribed the units are individually wrapped. After the kicker C has advanced a predeter- 'mined number of wrapped units, four in this instance, along the guide, 'sta cking int therewith is advancing mechanism pile or stack is packaged in an individual carton, the ends of which are folded in so that liabilityof the contents beingdisplaced is eliminated.
Referring more particularly to Figs. 2 to 6 of the drawings, the primary feeder or conveyor A for individually feeding the bars X to the receiver .is similar in construction and operation to'that shown and described in our co-pending application Serial No.
676,231; filed November 22, 1923 now Patent No. 1,624,203, for package wrapping machine, and a general description thereof is deemed suflicient here. dicated in Figs. 2 and 3, the butter bars are placed on a horizontal table 1 having a longitudinal opening or slot 2 which extends the entire length thereof, and arranged 1n the slot 2. is a feed bar 3 which is contemtioned. At the delivery end of table 1 poraneously moved vertically and horizontally relatively to table 1'.
An adjustable guide 4, parallel with slot 2, extends substantially the entire length of the table. The butter bars are placed in succession on the receiving end of the table across slot'2 and abutting guide 4, so that they are in substantial alignment. By im- -parting the above-described 'movement to the feed bar 3, the butter bars are moved progressively along the table until the foremost bar engages a stop- (Fi 4) mounted at one end thereef, which stop serves tc arrest the movement of this bar in properly aligned position with the receiver above menan adjustable guide 4 is provided on the opposite side of slot- 2 from guide 4. Guide 4' is substantially parallel with guide 4, but has beveied end 4", and insures the delivery of the butter bars in proper position.
For concomitantly imparting limited hori-, zontal and vertical movements to the feed bar 3, a guide 6 is secured to the undersurface of the feed bar intermediate its ends, and a roller on one end of a rocker arm 7 extends into a vertical slot in the guide 6, the arm being oscillatable about a fixed pivvot 8, and a rod 9 connects the rocker arm 7 with a cam 9* fast on the shaft 9, the arm 7 thus horizontally'reciprocating the feed bar 3. ,For mgving the feed bar 3 slightly above the plane of the table-1 while the latter is being moved horizontally, blocks 10 are secured to the undersurface of the feed bar and are intermittently engaged by rollers 11 carried-by rocker arms 12 which are suitably connected to a cam 12 on the shaft 9;
As most clearly in- It is thus evident that during each rotation part a forward and backward movement to the'feed-bar 3-. and the. arms 12 are actuated to raise the bar to feeding position and then I chine, except at the points where the wrapper sheets W and cartons Y are fed .into Wrapping position, as hereinafter described. For this purpose a receiver 14 is moved vertically into alignment with the table Ito receive an individual butter bar and isthereafter lowered into alignment with the guide 13. Mounted on the receiver 14 is "a stop 15 "which arrests the advance of the butter bars along the table 1 when the-receiver'is' in its-lowered position (see Fig. 4). For vertically moving the receiver 14, a slide 16 is movable'vertically in a guideway 17 (Figs. 3 and 5), and a rocker arm 18 is connected by a rod 19 to a cam 19 9n the shaft 9 in such a manner that rotation of theshaft' 9 lowers and raises the receiver 14.
Operating in timedrelation to the receiver 14 is a plunger 16 having a head 16, preferably of maple, which engages each butter.-
bar X and shoves it from the receiver a predetermined distance along the guide 13. F or reciprocating the plunger 16 'a link 18 is pivoted to an ear 19 fast to the plunger rod and a lever .19 pivoted to the opposite end of the iinl: 18 pivotally engages rod of the shaft 9. the arm 7 is actuated to iin-- Inn 21 fast to the icwer part of the machine" frame. Pivcted to an car on the ievei' 20 adjacent the rod 21 a rod 22 which engages at its opposite endan eccentric 23 fast on the rotatable shaft 9. Thus, by guiding the plunger rod 16 in suitable bearings 24 secured to cross member 24 beneath table 1, rotation of the shaft 9 reciprocates the plunger head 16 over receiver 14 and the end of guide 13.
In the path of the movement of the plunger head 16 and an engaged butter bar X, wrapping sheets W' of suitable size are fed ene at a time by a suitable mech-.. anism 25 (Fig. 1), which may be driven by a chain 26 engaging a sprocket wheel fixed to a shaft 26 which extends transversely of the machine fraine. The mechanism 25 may be similar to that shown anddescribed in our above-mentionedv co-pending appiieatien, and is operable to cut sheets of a predeter mined size from a roll of the material, the material being preferably. relatively thin and flexible, such as tissue paper, and drop them" in the path of the advancing butter bars. As indicated in Fig. 9, a single sheet W is fed from' the feeding. mechanism 25 ifito the path of movement of the butter bar providing a handle 29. Normally, the stop ing below the feet 31 and fold them u against the portions folded'b 28 is yieldingly held by a suitable spring 29 in the position shown in Fig. 9. Vhen,
however, for some reason it is desired to remove a sheet W from the machine, the handle 29 ,may be rotated in a clockwise direction so that a sheet W will drop from the machine.
As each butter bar X is progressively advanced along the guide 13, it engages a sheet WV, midway between the top and bottom edges thereof, and carries the sheet with it in its further advance, the sheet being folded over the bottom and top of the butter bar by the guide 13 and the top guide plates 30. In the further advance of the butter bar X and sheet W, the sides of the sheet engage-yielding pressure feet 31, which fold them rearwardly, as indicated in Fig. 10, against the ends of the butter bar. The portions. of the sheet projecting above the presser feet 31 are engaged by curved guides 32 which fold them down against the portions folded by feet 31, while curved guides 33 engage the portions of they sheet projectguides 32. The guides 32 are formed on t e top guide plates by bending the material in the desired manner, while the guides 33 are formed on the main guide 13, which extends horizontally of the machine. As indicated in Fig. 8, the top guide 30 is formed in two plates, each plate having ears 34- through Which a rod 35 extends. Ears 36 are also fixed to the forward portion of the plates 30 to receive a rod 37, and springs38 surround the rod 37 between the cars 36 and collars 39 fixed to the rod 37 so that as a butter bar X is progressively advanced along the main guide track 13 the plates 30 are enabled to yield laterally, during the folding operation ofthe wrapper -W, and so operate correctlyiwith butter bars of slightly difierent lengths.
advanced along the by the plunger, 16 to The butter bar X and wrapper W are tance beyond the fol ing guides 32 and 33 polnt where oppositely positioned folding plungers 40 are reciprocated to 'fold a portion of the wrapper sheet W inwardlya'gainst the rear side of the butter bar (Fig. 12). For conjointly operating the folding plungers 40 bell cranks 41 are pivoted to the outer ends of the plungers 40 and to supports 42, which depend from the frame of the machine, the
opposite ends of the bell cranks being pivoted to a rod 43, .which'has a forked end ide 13 a slight dis-1.
44 straddling the transi'ersely. extending kicker or-paddle 49 (Fig. 23), which engages each butter bar X after the folding plungers 40 have been retracted. Kicker 40 and plunger 16 are operated in such timed relation that kicker 49 is in the position in which it'is'shown in dotted lines in Fig. 6 I
when plunger 16 is in its full-line position. as shown in that figure, and plunger 16 is in the position in which it is shown in dotted lines in Fig. 6 and full lines in Fig. 23 when kicker 49 is in 1 its full-line position, as shown in Fig. 23. The kickeris operated in such a manner. that its upper edge travels through the path indicated in dotted .lines in Figs 23, 24 and 25, and as it rises to its position shown in Figs. 13 and 25, it
folds upward the lower rear flap of wrapper W. v The butter bars are thus advanced 3 along the supporting guide or track 13 through a housing having a spring-pressed top plate 49" and spring-pressed side plates 7 p 49", thereby holding the bars in proper position during advancement to position F.
For actuatiug the kicker 49 to describe the path .of movement above-mentioned. a rod 50 is pivoted to the bottom of the kicker and extends through a guide 51, a. roller 52 being carried on the lower end of the rod 50 and engaging a cam 53 fixedto the shaft 26. Formed on the lower end of the guide 51 1s a strap 54, in which is disposed an eccentrio 55 which is secured tojthe shaft 26, the
strap 54 beingpi'voted to the stationary rod 48 at its lower end. For holding the roller 52 in operative relation to the earn 53 coil springs 60 are connected at one end to a rod 61secured to the rod 50, the rod 61 being movable in a slot in the guide 51, and at their opposite ends to pins 62, secured to the strap 54. Also pivoted to the kicker 49, butat a point 111178211 of the rod 50, isa. rod 56 having a forked end 57'straddling the shaft Inn 26 and carryinga roller 58 engaging a cam 59 rotatable with the shaft 26. I
After the kicker 49 has advanced a butter 3 bar along the guide 13 to position F, a plate 63 having fingers is moved to-engage the projecting top rear flap of the wrapper lV and fold it downward against the side of the butter bar, thus completing the wrapping of each individual bar' (Fig. 14). For actuating-the plate 63'. a rod 64-ispivoted at one end to the upper portion of the plate and at the other end is secured to a shaft 65 which .is supported in a bracket 66 mounted on the machine frame, the rod '64 being pivoted'to the late above therod 64 and to a lug 64 fixe to the bracket 66. Also secured to the shaft 65 is an arm 67 to which a depending cated by a suitable cam,.which is secured to a shaft 26- extending transversely of the machine frame.
As indicated in Fig. 24, the kicker 49-successively feeds four wrapped butter bars X to the stacking housing 91, the finger 63 being actuated to fold the remaining unfolded flap against the side of each bar, and as the bars are advanced the closed side of the next suceeding bar abutting against the folds of the advanced bar prevents unfolding of the wrapper. Thereafter a part of the stacking and advancing. mechanism E engages the last two bars of the row of the four and superposes them upon the advanced two, thereby forming a substantially symmetrical pile or stack containing four quarter-pound wrapped butter bars, and then advances thestaek a predetermined dis- --,tanee.' p
' The stacker includes a paddle 70 having a shelf 71, the paddle being secured to a feed frame 72 which is moved to describe a path 1 indicatedby the dotted lines at the left of 30 Fig 24. Starting with paddle 70. in the po- V sition in which it is shown in Fig. 24, it 1s first raised to the position shown in Fig. 25, so that shelf 71 raises the rear two butter here, then it is moved horizontally forward to the position in which it is shown in F 1g.
23, after which it is moved horizontally rearward until sheif '33. is withdrawn from be tween the butter bars, then slantingly downward and rearward until it is low enough to pass beneath the next row of four butter bars, and finally horizontally rearward to the position in which it is shown in Flg. 24.
For imparting the above-described movementtothe feed frame '72, toothed roliers 73 are adapted to rotate aieng guide racks 74 formed in the frame 72, and bell cranks 75 carrying the rollers are rocked on fixed pivots 7 6, the apposite ends of the bell cranks being pivoted to a herizontally X v tending rod'78 which is pivoted atits opposite end to a bell crank 79 having a fixed pivot 80. :To the opposite end of the bell cra k '7 9 is pivoted afrod 81 which has a strap 82 at its opposite end, though which strap extends a transverse shaft 83. Carried by the rod 81 is a roller 84 coacting with a cam 85 which is secured to'the shaft 83 so that rotation-of the cam 85 lowers and raises the feed frame 72 as indicated. 'For contemporaneously moving the feed frame horizontally, a rod 86 ispivoted at one end to the lower part of the frame approximately midway between the ends thereof and at the opposite end to an arm 87 provided with v a strap 88 at its lower end, which is pivoted rod68 is pivoted, the rod 68 being reciproing the two rear bars, as s sprocket connection frern :1
to a stationary rod 89 supported at its opposite ends in the machine frame. Fixed to the shaft 83 and rotatable in thestrap 88 is an eccentric 90. Thus by rotating the shaft 83 the feed frame 72 is moved with its sup- 70 ported parts through the path described above in connection with paddle 70. The feed frame is connected by means described below, to be driven at one-fourth the speed of the plunger 16 and kicker 49 so-that four butter bars are advanced along the guide track-13 before the paddle 70 commences the stacking operation.
To prevent displacement of the bars from the shelf 71 during the stacking operation spring-pressed plates 92 yieldingly engage the upper surface of the butter bars on the shelf. After passing the spring-pressed plates 92, the buttei bars are advanced under a spring-pressed 'top plate 93, which holds the bars on the shelf when moving through the housing. For insuring the proper position of the rear butter bar of the advanced pair during stacking,- lips 94 are secured to the side of the stacking housing 91 and pro- .ject over the top of this bar so that liability of displacement ofthis bar when the rear pair are being raised to stacking position is prevented, After stacking the bars as above described, the paddle 7O advances the stack to the forward end of-thestacking housing past the spring plates 94 which snap inwardly when. the stack passes there-over so that retrograde movement of the stack is prevented when the stacking paddle is retracted. To prevent tilting of the stack while in this latter 'pesition, s ring 95 engages the top of the stack. Theeperation of the paddle 79 is mostcieariy indicated in Figs. 23, and 25. Fig. 24 shows the paddiebeneath the position F about to be elevated t0 engage the two rear butter bars, theiricker 49 having advanced four butter bars te ferrr. a continuous row in stacking position. After elevatown in Fig. 25, the shelf 71 me es over the two forward bars and the paddie "ZS hen acts toadvance the feur stacked bars to tee positicn G, Fig. 23, in the region of the ear-tori feeding mechanism 96. This mechanism a chain and sprocket connection 97' (Fi 1? with a transverse drive shaft 98. A chain and shaft 19%, described later, drives the kicker shaft 26, the latter having similar connection 89 with the shaft 9, which drives the primary feeding mechanism A and plunger 16 (Fig. 1}. The carton feeding mechanism 96 is of any well-known form and adapted to inter-min tently feed cartons Y down between stationaryrfingers 100 and 101 into the path of the advancing stack (Fig. 23).
The cartons Y (Fig. 30) are of the usual form, be g provided with a central panela, 130
a top panel I) having an. edge flap at its has the side flaps Z and m. Each closing flap h and j is provided at its outer end with an inserting lip 71. and j, respectively.
The remaining operation of themachine consists in progressively advancing each stack,.and, while advancing, packaging the stack in a carton so that as delivered from.
the machine the four'butter bars are not only individually wrapped with relatively thin and flexible sheet material but are alsoneatly packed in a carton "of heavier mate.- rial which insures against damage to the bars and prevents access of dirt and other extraneous matter. For progressively advancinga stack along the guide 13, paddles 102, 103,
104, and .105 are, fixed in proper spaced relationshipto the feed frame 72 to which the stacking paddle 70 is secured, each been advanced slightly beyond the folding supported by a bracket 109.
paddle engaging the stack at a predeter-' mined point of travel and moving the stack through the carton folding mechanism hereinafter described;
In the next advancing movement of the feed frame 72, after the wrapped butter bars have been stacked and moved to a osition in rear of the carton feeding mechanism, the paddle 102 advances the stack over the guide track 13, engaging a carton positioned in its path of movement and thereafter advancing the carton and stack to the position H (Fig. 23). During this movement the top and bottom of the carton are-folded over the stack by the engagement of a portion of the carton with the guide 13 at the lower side and with stationary guide 106 on the upper side, the upper side-of the carton being held down during its movement in advance of guide 106 by horizontally disposed folding wings 106 at the top. After the stack and carton have Wings 106, paddle 102 is moved horizontally dle is moved to withdraw shelf 71 from between the butter bars of the succeeding stack. As soon as paddle 102 is out of the way, wings 106 are swung downwardly to fold. the flap' o against the rear side. of the stack. For holding the stack in position while the folding wings .106 are. operated, holding win s or gates 107 engage the front of the stack, the top panel I) ofthe carton'being engaged by a spring-pressed plate 108 v The folding wings 106 are fast to a rod' 110 which is rotatably supported in the vbracket 109, and pivoted to 2. lug fixed-to the rod 110 is a depending rod 111 having a acting with a cam 119.
strap 112 at its lower end surrounding a longitudinal shaft 69, a roller 113 on the strap coactlng with a cam 114 on the shaft.
It will thus be apparent that rotation of the cam 114 actuates the folding Wings 106 to fold the flap 0, these wings being operated.
in proper timed relation with the'advance of each stack. The holding wings 107 are sinnlarly connected to be operated from the shaft 69, these wings being fast to a rod 115- to which is operatively connected a depend- 1ng rod 116 having a strap 117 surrounding the shaft 69 and carrying a roller 118 co- For holding the flap c in folded position aga nst the side of the stack after wings 106 are swung upuntil flap (2 is raised enough to hold it, a finger 127, pivoted intermediate its ends to the bracket 109, is adapted to be actuated by a depending rod 128 operatively connected to a cam "on a longitudinal shaft andLcarton are advanced, .in the next succeeding movement of the feed frame 72, by
From the position H 23) the stack the paddle 103 to the position J, during which movement thefiap e of the carton, is
folded upwardly against the stack by the engagement of this paddle, and the side flaps f, g and 7c, and-Z and m are successively folded against the ends'of the stack. For
folding the end flaps f, g and k inwardly diverging tracks or cams 119 are secured to to the machine frame on opposite sides of the guide track 13, and rollers 120 (Figs. 19, 20,
22) are adapted to roll' along the cams 119,
the rollers having arms 121 integral with sleeves 122, and the opposite ends of the arms 121 extend. to the opposite side of thesleeve and are urged toward each other by a coiled spring 123 connected thereto. The sleeves 122 are rotatable on upright rods 124 secured together by a rod- 125, which is fixed to the paddle 103. Integral with the sleeves 122 are folding fingers 126, so that. by this arrangement during the advancing movement of the paddle 103, the rollers 120 are forced inwardly by the cams 119 and rotate the sleeves 122 to. move the fingers 126 inwardly, thereby engaging the side flaps f,
g and la and folding them inwardly over the ends of the-stack. During this advance of the stackand carton, the front end flaps Z and m engage the curved guides 129, which fold these flaps over the flaps g and f, r'espectively. A slightyielding pressure 1sv exerted on the top of the carton and stack while advancing by means of a spring pressed plate 130 (Fig. 18), which insures against movement of they cartonand stack from the working plane. The paddle 103 delivers the carton and stack to the .lip breaking or forming mechanism (Figs. 26
and 27) where a portion of the end closing.
flaps h and 7' are folded at substantially
US5467125 1925-01-09 1925-09-05 Package-wrapping machine Expired - Lifetime US1648252A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2482427A (en) * 1947-05-03 1949-09-20 Package Machinery Co Group arranging conveyer mechanism
US3135076A (en) * 1962-03-26 1964-06-02 Morgan Construction Co Method of and means for counting, sorting and bundling of bars, pipes and the like
US3238697A (en) * 1962-10-26 1966-03-08 Gen Strapping Company Bundle wrapping apparatus
US3367518A (en) * 1965-03-17 1968-02-06 William R. Bishop Bale stacking trailer for balers

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2482427A (en) * 1947-05-03 1949-09-20 Package Machinery Co Group arranging conveyer mechanism
US3135076A (en) * 1962-03-26 1964-06-02 Morgan Construction Co Method of and means for counting, sorting and bundling of bars, pipes and the like
US3238697A (en) * 1962-10-26 1966-03-08 Gen Strapping Company Bundle wrapping apparatus
US3367518A (en) * 1965-03-17 1968-02-06 William R. Bishop Bale stacking trailer for balers

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