US2151169A - Machine for forming flanged end walls for containers - Google Patents

Description

s. SMITH 2,151,169

MACHINE FOR FORMING FLANGED END WALLS FOR CONTAINERS March 21, 1939.

'Filed March 6, 1937 11 sheets-sheet l Elma/who@ Swan Smith March 21, 1939. *5, SMITH 2,151,169

MACHINE FOR FORMING FLANGED END WALLS FOR CONTAINERS Filed Maron e, 1937 11 sheets-sheet 2 gmc/Wto@ Swan Smith ELM/@6M March 21, 1939.

s. SMITH MACHINE FOR FORMING FLANGD END WALLS FOR CONTAINERS Filed March e, 1937` 1l Sheets-Sheet 3 S, SMITH March 21, 1939. 2,151,169

l MACHINE Foa FORMING FLANGED END WALLS FOR CONTAINERS Filed March 6, 1937 1l Sheets-Sheet 4 v4mm m H52? ab? 417 424 March 21, 1939. s. SMITH l 2,151,169

MACHINE FOR FORMING FL A NGED END WALLS 'FOR CONTAINERS v Filed March e, 19:57 11 sheets-sheen 5 Zgq- 65* H 52.72, 1:' ll 1.7 72 .7 527 225% :I L66 52; W" m t Mi 53239 533 L75...`` G4 j/ j 264 I I 1 e 7 I 4 n M g1g i 4 o? l 25-f-f o Swan 5mi bh Buon/"Ms March 21, 1939. 5V 5M|TH 2,151,169

MACHlNE FOR FORMING FLANGD END WALLS FOR CONTAINERS Filed March 6, 1937 ll Sheets-Sheet 6 527 W 254 257 was@ 1 am 52a 753 @7F 164 L72 7 m w 271W 504m i6 174 m 1319.55 W H 58 W f 469 ze@ n" 5 28e 15'/ D 165 QUA 1% 264 zal 262 189 G zu L65 0175 0 57 26o q ,1 q as c; j? L84 195 '524, 254 v 0 T Q a y f 1 552e@ 191 i @U i @7 192 357 LB 187 "it (9 21g Z553 7.95 24A: *t zoe/207 March 21, 1939. s, SMlTH 2,151,169

l MACHINE FOR FORMING FLANGED END WALLS FOR CONTAINERS F11ed March e, 1937 11 sheets-sheen 7 555 Y arg1 F1311 553 55 759 556 /5'59 E -362 552 O W v '1 mm L 5 X I 529 m w 467 407 aaa 9A 692 554 4.64 M gg I 472 551, 476 f 691m 684524 I@ 574 254 H 557 59e 404, K a 555 1H 46g O 750 2 L o v u @59 15 #i 757 y 264 451 1 o 44 o 555 575 Il 5 94'M 4 w 586 @26 s 488 1 406 p 7 444 i281 G @21 :s e L v 4, u 1 646 o ,f :Q o 55 r f* O IO se 5OZ/ I; l 479 b77 584 .Il /593 58" 586 l I 597 f7 9 1 787 '2. 587 1' i5/5% 441588 44o y@ L z2 22 11 Loi i j g 49 45,0 I 4% 589 442 781 219 Zi me/nwo Swan Smilrh.

March 21, S. SMITH Y' MACHINE FOR FORMING FLANGED END WALLS FOR CONTAINERS Filed March 6, 1937 11 sheets-Sheet 8 March 21,'1939. s. SMITH l 2,151,169 MACHINE Foa FORMING FLANGED yEND WALLS FOR CONTAINERS Filed March e, 11957 11 v:sheets-sheet 9 f 29 i v 678 v I d I 71. J N

54 Y as 8@ ve, a i 79 Swan Smkh Malrch 21, 1939.

s. SMITH Filed March 6, *1957 11 sheets-sheet 1o 111 67e o 665 ,if 694 684, 55e 0 7611 692, '619 681 1" [Il Y @e :1, ,85567671 672 55g 7 679 f y w75 57m 616 l 679. a 64:5 '74 Y l 3 /;Za 11:19.45 -7o2 n n /Z V 7) 0 al1/o o gmc/Mo@ ASwain Smikh MarhZl, 1939. ys. SMITH 2,151,169 I MACHINE FOR -FORMIIG FLANGED END WALLS FOR CONTAINERS Filed Mardh s, .1937 11 sheets-sheet 11 www Patented Mar. 21, '1939 UNITED STATES PATENT OFFICE MACHINE FOR FORMNG FLANGED END WALLS FOR CONTAINERS Application March 6, 1937, Serial No. 129,393

27 Claims. (Cl. 93-36) My invention relates to machines for forming laminated fiangedend walls for containers and has for an object to provide a machineby means of which such end walls may be automatically constructed.

Another object of the invention resides in providing a machine of such character in which the paper is unreeled from a single roll and successively operated upon to produce the final ultimate structure. v

An object of the invention resides in providing a machine of the character described by means of which a number of sheets are cut from a roll of paper and glued and assembled together to form a composite blank.

A still further-object of the invention resides in providing a machine in which certain of the sheets and preferably alternate sheets are rotated through certain angles so that the grain in the sheet runs in several directions in the blank.

Another object of the invention resides in providing a gluing device by means of which certain of the sheets fed to the same are coated on one surface with glue and in further providing amechanism whereby -certain others of the sheets pass the gluing device without being coatedso that the uppermost and lowermost sheets of the stack,` of sheets have their upper and lower surfaces free from glue.

An object of the invention resides in providing an assembling device in which the glued sheets are ilrst held by temporary supports and adjusted in proper position and then deposited upon the other sheets of the stack.

A feature of the invention resides in providing a trimmer by means of which the blank formed from the assembled sheets is cut circular in form and in which the blank is rotated while engaged by a cutter having a fixed situs relative to the machine. Y l

Another object of the inventionresides 1n providing a press constructed with a die having a cylindrical bore and a vplunger movable within said bore to force the circular blank into the same and form a ange thereon.l

' A feature .of the invention resides in providing a machine in which the strip of paper, the sheets cut therefrom and the blanks formed from the sheets are automatically and positively fed to and from the various mechanisms of the invention which operate thereon.

Other objects of the invention reside in the specific' construction of the various mechanisms operating upon the sheets and in the relation of these mechanisms to one another.'

In the drawings:

Fig. 1 is a plan view of a machine for making flanged end walls for paper containers showing an embodiment of my invention.

Fig. 2 is an elevational view of the machine 5 shown in Fig. 1 viewed from the near side thereof.

Fig. 3 is an elevational View of the machine shown in Fig. 1 and viewed from the far sidethereof.

Fig. 4 is a fragmentary cross sectional View taken on line of Fig. 1.

Fig. 5 is a longitudinal sectional detail view of a portion of the paper feeding mechanism taken on line 5-5 of Fig. l. 15

Fig. 6 is a similar view of another portion of the paper feeding mechanism taken on line 6-6 of Fig. 1.

Fig. '7 is a fragmentary elevational sectional view taken on line 1 1 of Fig. 1.

Fig. 8 is a view similar to Fig. '7 showing the parts in altered position.

Fig. 9 is a vertical sectional detail view of a portion of the paper turning device taken on line 9-9 of Fig. 1.

Figf 10 is a view similar to Fig. 9 of another portion of the turning device taken on line Ill-I Il of Fig. 1.

Fig. 1l is a vertical sectional view of the assembling device and ironing rolls of the invention taken on line II-II of Fig. 1.

Fig. 12 is a cross sectional view of the machine taken on line |2-I2 of Fig. l.

Fig. 13 is a cross sectional view ofthe ironing rolls and associated structure taken on line 35 I3-I3 of Fig. l.

Fig. 14 is a cross sectional view of the machine taken on line I4--l4 of Fig. 1.

Fig. 15 is a. longitudinal sectional view of a portion of the conveyor mechanism for feeding the assembled blanks to the press, and taken on line I5-I5 of Fig. 1.

Fig. 16 is a longitudinal vertical sectional view taken throughv the press.

Fig. 17 is an elevational view of a portion of the press operating mechanism viewed from the far side of the machine as disclosed in Fig. l.

Fig.` 18 is a vertical sectional view taken on line AIB-lii of Fig. 12.

Fig. 19 is a cross sectional view -taken on line 50 I9-I9 of Fig. l.

In the construction of laminated circular paper containers such as butter tubs and the like, it becomes desirable to form fianged end walls for the containers. A flanged end wall of lesser 55 dimensions than the side wall of the container is inserted within the lower end of the same and forms a bottom for the container. A flanged end wall of larger dimensions than the side wall of the container ts over the top of the same and forms a removable closure. The present inventionprovides a machine by means of which both end walls of the containers can be automatically constructed.

My invention comprises a reel A on which a roll of paper 20 is mounted and from which a strip 2| unrolled from the roll is carried through the machine. The strip 2| passes through a paper tensioning device B by means of which the paper is properly directed to a paper feed mechanism C. 'Ihe paper feed mechanism C operates intermittently to unroll sections of the strip which are cut of! into individual sheets by a cut off device D for assembly into the composite container end. Prior to severance of the strip the same is notched by means of a notching device E so that the individual sheets become octagonal in form, whereby the same may be more conven- Y iently manipulated as the sheets areoperated upon by the machine. The individual sheets are deposited upon a turning device F which rotates every alternate sheet and discharges the same upon a conveyor G. The conveyor G delivers the sheets to a gluing device H which applies glue to a certain number of sheets in succession. By means of a skip gluing mechanism I each seventh sheet in the particular form o`f the invention shown is deprived of glue so that the exposed surface of the sheets of the stack forming the end wall blank are without glue. From the gluing device the sheets are delivered to an assembling device-J where the same are placed one upon an- Y other with the lowermost and uppermost sheets arranged with the unglued surfaces lowermost and uppermost. A feed mechanism K takes the the ironing mechanism to a trimmer N bly means of which the composite structure is cut` circular in form to form a blank suitable for insertion into Athe press P. The conveying mechanism O moves the trimmed blank from the trimmer to the press. After the blank has passed through the press the same is discharged from the machine through a discharge device Q. These various parts and the framework for supporting the same together with the driving mechanism therefor will now be described in detail.

The framework of the invention consists of two longitudinal frame members 22 and 23 which rest upon the oor or other structure on which the machine is to be supported. These frame members are tied together by means of transverse frame members 24, 25 and 26. At the far end of the machine are provided two uprights 21 and 28 and intermediate the ends of the frame members 22 and 23 are provided similar uprights 3| and 32. The two uprights 3| and 21 are connected together by means of a longitudinal frame member 33, while the uprights 28 and 32 are similarly connected together by a longitudinal frame member 34. The two uprights 21 and 28 are secured together by means of a transverse frame member 35 which is constructed with flanges 36 bolted to the upper ends of the said uprights. In a similar manner an angle frame member 31 vconnects the two uprights 3| and 32 together. In between the horizontal frame members 22 and 33 is provided an upright 38 which is disposed intermediate the ends of the framemember l33. A corresponding upright 39 is disposed between th longitudinal frame members 3| and 32.

For the purpose of driving the various mechanisms and devices of the invention, an electric motor 42 is employed which is best shown in Fig. 3. This motor is mounted cna plate 43 secured to the longitudinal frame member 22. The motor 42 has an armature shaft 44 which carries a pulley 45. A belt `46 passes over this pulley and another pulley 48. The pulley 48 is secured to a sleeve 49 which in turn has attached to it a spur pinion 5|. The lsleeve 49 is rotatable on a stub shaft 52 which is rigidly mounted in a bracket 63 secured to upright 3| of the framework of the invention, as best shown in Fig. 8.

The stub shaft 52 is held attached to said bracket by means of a nut 54 and the other end of said shaft enlarged to hold the sleeve 49 -rotatably mounted thereon. The pinion 5| meshes with a spur gear 55 constituting one of the gears of a gear cluster 56. This gear cluster includes the gear 55 and another pinion 51. The gear cluster 56 is rotatable on another stub shaft 58 which is secured to the bracket 53 by means of a nut 59. The pinion 51 meshes with a gear 6| which is one of the gears of a gear cluster 62. The gear cluster 62 includes a.A pinion 63 and is mounted for rotation on a stub shaft 64 which is directly attached to the upright 3| by means of a nut 65. 'Ihe pinion 63 meshes with a large spur gear 66 which is rigidly attached to* the main drive shaft 61. Main drive shaft 61 is journaled in bearings formed in the uprights 3| and A32 which have not been illustrated in `the drawings. The shaft 61 extends completely across the ma-v chine and is provided at its other end as shown in Fig. 2 with a bevel gear 68. This bevel gear meshes with a bevel gear 69 fast on a longitudinally extending' countershaft 1| arranged in close proximity to the longitudinal frame member 34. The shaft 1| is journaled in a bearing 12 mounted on upright 32 and in another bearing 13. Attached to the rearward portion of the .two uprights 21 and 28 are two rearwardly extending brackets 14 and 15. These brackets are connected together at their outermost ends by l means of a U-shaped frame member 16. The

gear is one of the gears of a gear cluster 8| whichv is rotatably mounted 'on a stub shaft 82. This is best shown in Fig. 15. The other gear of this gear cluster is a sp'ur pinion 83 which meshes with a spur gear 84 also shown in Fig. 2. Spur gear 84 is fast on a shaft 85 which extends across the two brackets 14 and 15 and is journaled in bearings 86 and 81 secured to said brackets. All of the parts of the invention are driven from these various shafts as will be presently more fully described.

The reel A on which the roll of paper 26 is supported consists of two standards 88 and 89 which are secured to the longitudinal frame members 22 and 23. These standards, as best .shown in Fig. 1,y are provided with sockets 9| mto which may be set a shaft 82. Shaft 92 sioning device B is supported on two standards 95 l and 96 which are secured to the longitudinal framey membersV 22- and `23- and are braced from the uprights 3| and 32v by means of braces 90. As best shown inv Fig. '4v two brackets 91 and 98 .are secured to said standards in a manner to be presently described in detail. These brackets are held in proper spaced relation by means of a tie rod 99.

Two rolls and |02`are journaled'in bearings |03 formed in the brackets .91- and 98. y These rolls are'arranged so that theroll .|02 is forward of the roll '|0| and so that the upper portion of said roll is above the lowerportion ofthe roll .|0I. The strip 2 I passes in between these rolls and is slightly tensionedthereby so' that the paper. is kept taut while -traveling through theI machine. i

The paper strip 2| is fed from the tensioning device Bl tothe cut oi ydevice D by means of the paper feed mechanism C. This-feed mechanism is' best shown in Figs.I 1, 2, .3 and 6. Extending across the two longitudinal frame members 22 and 23 isa shaft |04 which isijournaled in bearings |05 and |06 securedtothe same. The shaft |04 has attached toit two vertically lextending arms |01 and |08 which have secured to their upper kends a cross bar- |09. Bar|09 is fast `to the arms |01 and |08 and carries a gripper nger which is rigidly secured thereto. Below the bar |09 is a shaft I |2 which is journaled for rotation in bearings ||3 formed in the arms |01 and |08. This shaftk carries a complemental gripper linger I |44 and upon rotation of thek particular shaft, nger ||4 is brought into engagement with finger III togrip the stripf2| of paper passing between the same. Y

The paper feed mechanism C is operated in the followng manner: Attached to the shaft ||2 in close proximity to arm |01 is a depending arm I5 which has pivotally connected to it a link I6. rI1his `link is in turn pivotally Vconnected to a crank pin ||'1 mounted on a bracket I0 attached to the gear 66 previously referred to. The arm ||5 has a lug I8 secured to the same which is adapted to engage the arm |01 to limit the rotation of shaft I|2 in one direction. Engagement of the fingers I4 and limits the movement of the shaft ||2 in the opposite direction. It will thus be comprehended that as the shaft 61 rotates, crank pin ||1 is carried-around with it and the two arms |01l and |08 oscillated back and forth. As the arms |01 and |08 travel away from the tensioning device B the actuating force is transmitted through arm I I5 and the finger I4 forced against finger |II. This grips the paper and advances the paper through the machine. When the arms |01 and |08 are moved in the opposite direction the force being again transmitted through arm ||5, said arm is irst moved so that the finger I I4 is disengaged from the finger |I I. As soon as lug I8 engages arm. |01, the arms |01 and |08 travel toward the tensioningl device Band during such movement the fingers and ||4 being spaced travel freely along the paper without feeding the sane.

For the purpose of stabilizing the action of the.

paper feeding mechanism, a cross head I I 9 is employed which is attached to shaft |04. This cross head has pivoted to it two plungers I2| and |22. These plungers are slidably mounted in a guideway |23, Fig. 7, which is secured to the longitudinal frame member 22. By means of this construction; the plungers |2| and |22 may recipro- V cate in a vertical direction as the shaft |04 oscillates. Encircling the two plungers |2| and |22 are compressiony coil springs |24 which are seated against the guide |23 and against collars |25 fast on said plungers. These springs stabilize the movement of the feed mechanism, preventing a jerky operation of the same. Y

In orderto move advantageously handle the sheets of paper which are `built into the blank for constructing the container` end walls it is desirable that the said lsheets be octagonal in form rather than square. To so form the sheets, the same are notched before being cut into sections,

yby means of the notching device E. This device is best shown .in Figs. l, 4;and.5. Attached to the two standards 95and 96 are two brackets |36 and -4 |31 andbolted thereto are two notched die blocks |26 and |21. Cooperating with said die yblocks are two angle cutters |28 and |29 which are attached. to arms |3| and |32. These` arms are When the arms and |29 cooperate Withthe die blocks'l26 and |21 to cut notches in the strip 2| passing between the said cutters and die blocks.

The notching device D isv operated in the following manner: Attached to the main drive shaft 61 is a spur gear |38, Fig. 2. This spur gear meshes with another spur gear |39. Gear |39 is mounted for rotation on a stub shaft |4| which is secured to a bracket |42 shown in Fig. 1 which is attached to upright 32. 'I'he gear |39 has secured to it a crank pin |43 which has pivoted to it one endof a connecting rod |44. Rod |44 has secured to it a collar |45 best shown in. Fig. 1 which is adapted to engage one of the arms of a bell crank |46. The bell crank |46, as shown in Fig. 4, is pivoted to a bracket |41 which in turn is secured to the upright 96. 'I'he other arm of this bell crank is pivotally and slidably connected to the end of an arm |48 which is secured to the shaft |33 to which arm |3| is attached. It will be comprehended that as the connecting rod |44 is moved toward the left, as shown in Figs. 1 and 2, that the collar |45 engages bell crank |46 and swings the same in a manner to cause the cutter |28 to move downwardly and to engage the die block |26 and cut the sheet passing between said cutter and die block. For simultaneously operating cutter |29 a gear segment |49 is attached to the shaft 34 to which arm |32 is attached. A lever |5| is pivoted to the standard 95 by means of a bolt |52 and is constructed with a gear segment |53 which meshes with the gear segment |49. As this lever is operated the shaft |34 is turned in the opposite direction. A link |54 conf nects the arm |48 with lever |5I. A tension coil spring |55 is connected to the link |54 and to the standard 95. This spring operates to raise the `arms |3| and |32 and to move the cutters |28 and device and discharges the same into a suitable receptacle placed beneath the machine.

In order to prevent the notched sheet from jumping up from the die blocks |26 and |21 when the cutters |28 and |29 are raised, two guide 1ingers |51 and |58 are employed. These fingers are attached to a rod |59 which is rigidly secured to the uprights 95 and 96. A

The notched strip 2| on leaving the notching device E is fed by means of the paper feeding mechanism C to the cut off device D. This dievice is Abest shown in Figs. 7 and 8, and includes a shaft |6| which is journaled in bearings |62 and |63 formed on the upper ends of the uprights 3| and 32. This shaft has secured to it a number of arms |64 which have attached to them a rotary cutter blade |65. This blade cooperates with a bed knife |66 which is attached to the transverse frame member 31. The shaft |6| rotates'in a clockwise direction as viewed in Fig. 7, and engages the bed knife |66 to cut off the sections of the strip to form the sheets from which the end wall blank is constructed. The cutter D is so arranged that the line of severance of the sheets from the strip occurs at the vertex of the notches formed by the notching device E so that the sheets severed become octagonal in form.

The shaft |6| is driven in the following manner: Attached to the end of this shaft is a spur gear |61, Fig. 2, which meshes with the spur gear |38 fast on the main drive shaft 61.

For the purpose of holding the paper from,

movement during the operation of the cut off device, a gripping mechanism is providedewhich is best shown in Figs. 3 and 7. This device comprises a movable gripper bar |69 which isattached to two arms |1| secured to a transverse shaft |12. This bar has a pad |68 attached to it which is adapted to engage the upper surface of the transverse frame member 31. Shaft |12 is journaled in bearings y|13 secured to the uprghts 3| and 32. This shaft as shown in Fig. 3 has attached to it an arm |14 which carries at its outer end aroller |15. Roller |15 engages a cam |16 fast on shaft |6|. As the raised portion of the cam engages roller |15, the gripper bar |69 is moved away from the gripper bar |68 and the paper may travel freely between the two bars |68 and |69. By means oa tension coil spring |11 acting between one of the arms l|1| and the transverse frame member 31', the gripper bars :are

. brought together when the roller |15 engages the low portion o f the cam |16.

The sections of the strip upon being severed by the cut olf device D are deposited upon conveyor G, best shown in Figs. '7 and 8. This conveyor consists of two belts |18 and |19 which pass over pulleys |8| and |82 mounted on two shafts |83 and |84. Pivoted to the main drive shaft 61 are two arms |85 and |86. These arms are held in spaced relation by means of two rods |81 and |88 which have nuts |89 screwed upon the outer ends of the same. The two shafts |83 and |84 are journaled in bearings |9| and |92 formed in said arms and are held in proper position with respect thereto by means of the pulleys |8| and |82. The belts |18 and |19 also pass over idler pulleys |93 which are mounted in arms |94 attached to the rod |88. These arms are clamped between the ends of the rods |88 and arms and |86 and are'held in position by nuts |89 holding rod |88 attached to said arms |85 and |86. By means of this construction the tension in the two belts |18 and |19 may be regulated. 'I'he two arms |85 and |86 have .counterweights |95 secured to the outer ends sheets to the gluing device and for the purpose y of permitting the turning device to rdtate the sheets.

The conveyor G is driven in the following manner: Attached to the main drive shaft 61 is a sprocket |96. A chain sprocket and over two sprockets mounted on the shafts |63 and |84, not-shown in the drawings. This chain drives both the shafts |83l and- |84 and in this manner procures rotation of the pulleys '|8| and |82 in a direction to cause the upper runs of the belts |18 and |19 to travel toward the gluing device H.

'Ihe conveyor G is raised and lowered in the following manner: Attached to the main drive shaft 61, as shown in Fig. 10, is a spur pinion |98.

lThis spur pinion meshes with a spur gear |99 which is mounted for rotation on a stud 20| secured to the upright 32. The spur gear |99 has |91 passes over this attached to it a cam 202. An arm 203 pivoted at 204 to the upright 32 carries a roller 205 which engages the cam 202. Arm 203 has pivoted to it a link 206 which is also shown in Fig. 8. This link is in turn pivoted to the arm |86 of conveyor G, whereby the said conveyor is raised and lowered as the roller 205 follows the cam 202.

The turning device F is best shown in Figs. 1, 3, 7, 8 and 10. Attached to the upright 32 is a bracket 201 which extends transversely of the machine and which is provided at its inner end with a bearing 208. Rotatably mounted in 'this bearing is a Vertical shaft 209 which is situated centrally of the sheet severed by the cut off device E. This vshaft has attached to the'upper end of the same a turntable 2|| which is provided with a boss 2|2 secured to said shaft. The lower end of this boss has attached to it an outwardly extending arm 2|3. .A sleeve 2|4 disposed between the boss 2|2 and the bearing 208 holds the turntable 2|| at the proper elevation. The' upper portion of the turntable 2|| is cupped as indicated at 2|5 for a purpose to be subsequently more fully described. The turntable 2|| is oscillated through an yangle of ninety degrees by means of the arm 2|3.v Pivotally connected to this arm is a link 2|6 which in turn is pivoted'to an arm 2|1 attached to a shaft 2|8. Shaft 2| 8 which in turn is journaled in another bearing 2|9 secured to the longitudinal frame member 22.

The shaft 2|8 has attached to it an upstanding arm 22|. This arm has attachedto it a cam 222. This cam is adapted to be engaged byI a roller 34| which is rotatably mounted on an arm 342 secured to shaft 1|. As the roller 34| engages cam 222 shaft 2|8 is rocked and the arm 2|1 islikewise rocked and the turntable 2|| 'rotatedi A drive between the turntable 2| and the sheet passing over the same iS procured through a revoluble presser foot 23|. This presser foot is rotatably mounted in a reciprocating rod 232 which is guided for vertical movement in a guide 233. Guide 233 is attached to an arm 234 which is constructed with a base 235 bolted to the lon- 231 mounted on the horizontal frame member 33 -gitudinal frame member 33.

as shown in Fig. 3. As seen in Fig..3 lever 236 has pivoted to it a link 238 which in turn is plv oted to another lever 239. .This second lever is pivoted at 24| to a hanger 242 which is attached to the horizontal frame member 33. The lever 239 carries a roller 243 which is adapted to engage a cam 244\bt shown in Fig. 3. This cam attached to a gear 245 which is mounted for rotation on a stub shaft 246 attached to the lon- Lever 239 has a. counterweight 2,41 secured to the same, whereby said roller 243 is maintained in engagementwiththe cam. It will be noted that gear 245 meshes with another gear 248 which is attached to the main drive shaft 61. Gear 245 is twice the size of gear 248 so that the presser foot 23| is operated asevery alternate sheet passes through. the machine. It will be noted that-the turntable 2li is turned each time a sheet is cut off by the cut off device E. However, since the presser foot 23| is only brought into engagement with the turntable 2| for each alternate sheetevery alternate sheet is rotated through an angle of ninety degrecs and the other sheets are caused to pass through the machine without being turned.

When the sheets are taken from the innermost portion of the roll the sheets curve in such a manner that the same cannot be conveniently rotated by the turning device. By constructing the turntable 21| cupped as indicated at 2|5, the

presser foot '23| is forced into the concavity which raises the corners of the sheets and permits the turntable to function in an efcient manner.

To arrest the movement of the sheets when delivered to the turning device A a number of ngers 294 are employedwhich are secured to a horizontally extending rod 295 disposed the proper distance from the turntable 2| This rod is fast on a swinging lever 296 which is pivoted at 291 to the horizontal frame member 34 as best seen in Figs. 2, 8, 9 and 10. 4This lever carries a roller 298 which engages a cam 299, Fig. 9, which is attached to the gear |99 which rotates on the stub shaft 20|. Since the cam 299 is operated by gear |99 it also operates cam 202 raising and lowering the conveyor G. It becomes evident that the cam 299 must have two depressions 30| and 302 so that the sheets are arrested prior to entering the gluing device, both when the sheets travel ythrough in the regularl manner and when the sheets are rotated. The fingers 294 in addition to arresting the sheets cause the sheets to straighten out so that the same are squarely fed into the gluing device. l

The sheets delivered upon the conveyor G are centered with respect to the turning device F by means of two adjusting plates 303 and 304 best shown in Fig. 19. These plates are attached to vertically extending arms 305 and 306 which are pivoted to bearings 301 and 308 secured to the longitudinal frame members 23 and 22. The arm 305 has secured to it ahorizontally extending arm 309 while the arm 306 has secured to it. a horizontally extending arm 3| bifurcated as indicated at 3|4 and is constructed with a slot 3|3 extending through the end of the same. The extreme end .of the arm 3|| extends into the bifurcated portion 3|4 of arm 309 and is provided with a pin 3|2 secured thereto, which fits in the slot 3|3. By means of this construction the two adjusting plates 303 and 304 may travel simultaneously vinwardly or out- The arm 309 isv an arm 3|5 is employed which is pivoted in a bearing 3|6 secured to the frame member 23. A link 3|1 pivoted to this arm and to the arm 305 causes simultaneous movement of the two plates 303 and 304 upon swinging movement of the arm 3|5 in a vertical plane. Arm 3|5 has secured to the upper portion of the same a cam 3|0 which is adapted to be engaged by a cam roller 3|9 rotatably mounted upon the end of a short arm 32 I, 'I'his arm is rigidly secured to the shaft 1| previously referred to. The arm 32| is so positioned that the adjusting plates 303 and 304 move simultaneously with the fingers 294 to properly position the sheet with reference to the turntable 2| and also hold the sheet until the presser foot 23| is lowered into engagement with the sheet. Immediately thereafter the adjusting plates 303 and 304 are disengaged from the sheetY and likewise the fingers 294., For the purpose of disengaging the adjusting plates 303 and 304 from the positioned sheets, a tensioncoil spring 322 is employed which is secured at one end to the arm 306 and at its other end to a support 323 secured to frame member 22. This spring normally holds the two plates away from the sheets and urges the cam 3|8 against the roller 3|9.

The gluing device H is best shown in Figs. l, '7 and 8. This device includes two bearing blocks 25| and 252 which are attached to the longitudinal frame members 33 and 34. Between these bearing blocks is mounted a glue pan 253 which is supported by said blocks in any suitable manner. Journaled in suitable bearings formed in the bearing blocks 25| and 252 are two main glue rollers 254 and 255. A distributor roll 256 is 'also journaled in the said bearing blocks 25| and 252 and is adapted to press'against the roll 255. roll is adjustably urged against the roll 255 by means of adjusting screws 251 which operate in the customary manner to move the roll 256 toward the roll 255. 'I'he roll 255 is adapted to dip into the glue within the glue pan 253 and carries a film of glue over to the roll 254 which transfers it to the sheet passing beneath the same. The bearing blocks 25| and 252 also support a guide roll 258 which assists in moving the sheet to be coated to the main glue rolls 254 and 255.

For bringing the sheet to be coated in contact with the glue roll 254 two presser rolls 26| and 262 are employed. These rolls are journaled in two arms 260 and 263, Fig. 12, which are attached to a shaft 264. Shaft 264 is mounted for oscillation in bearings 259 formed in the longitudinal frame members 33 and 34. When the two 'rolls 26| and 262 are lowermost as shown in Fig.

A the roll 254 and the same are not coated with glue. When the rolls are raised as shown in Fig. 7, the sheet is brought in contact with the roll 254 and gluing of the sheet occurs. The feeding of the sheets to the glue roll 254 is procured by the conveyor G. This conveyor when elevated as s hown in Fig. 7 brings the upper run of the belts |18 and |19 into contact with the roll 258 which procures a positive feed of the paper beneath the glue pan 253 and the roll 254. A flexible finger 265 engages the presser roll 262 and keeps the skeet more firmly in contact therewith. 'This assists in feeding the sheet and also prevents the sheet from rolling around the roll 254. When the rolls 26| and 262 are depressed as shown in Fig. 8 this finger 265 holds the sheet away from the roll 254.

To positively guide the sheets up to the roll 262 a number of arms 266 are employed which same is brought into engagement with' the roll The various glue` rolls are driven in a manner best shown in Figs. 2 and 18. Meshed with the gear |61 which is mounted on the sha-ft |6| is a spur ygear 261 which is journaled on a stub shaft 268 secured to the longitudinal frame member 34. This gear meshes with another idler gear 269 which is similarly mounted on a stub/ shaft 21| also secured to the longitudinal frame member 34. The gear 269 meshes with a gear 212 which forms the larger gear of a gear cluster 213. This gear cluster is mounted for rotation on a stub shaft 214 secured to the longitudinal frame member 34. The smaller gear of this gear cluster which is not shown meshes with a gear 21|), being one of the gears of another gear cluster 215. This gear cluster is mounted on a stub shaft 216 which is also secured to the longitudinal frame member 34. Gear 215 meshes with agear 211 secured to the trunnion of roll 254. This roll trunnion has attached to it still another gear 218 which meshes with a. gear 219 fast on the trunnion of roll 255. lIn this manner both rolls 254 and 255 are positively driven. The gear 218 also meshes with a pinion 28| fast on the trunnion of roll 256 so that the said roll is correspondingly rotated. The two rolls 26| and 262 as shown in Fig. 18 are provided with sprockets 282 and 283. These sprockets engage a chain 284 which passes over a sprocket 285 on one of the trunnions of roll 254 and which also passes over an idler sprocket 286 supported on a lever ,l

281. This lever is pivoted to a bracket 288 attached to the longitudinal frame member 33 and carries a weight 289 by means yof which the chain 284 is kept suitably tensioned. In this manner both the rolls 26| and 262 are positively driven. The roll 258 also has attached to one of its trunnions a sprocket, not shown. A chain 292, Fig. 3, passes over this sprocket and another sprocket secured to a trunnion of the roll 254.

In order that the top sheet be free from glue so that both the ,top and bottom section are without glue upon their exposed surfaces, skip gluing mechanism I is utilized. This skip gluing mechanism embodies the two rolls 26| and 262 and the supports therefor and has for its purpose to move said rolls downwardly and away from the roll 254. The two arms 260 and 2,63

' are mounted on theshaft 264 as previously e'xplained and when the said arms are rocked the rolls 26| and 262 are lowered. For this purpose a depending arm 324, shown in Figs. 7 and 8, isA

employed which is attached to the arm 266. 'I'his arm has pivoted to it a link 325 which in turn is pivoted to the upper end of another arm 326. Arm 326 is'fast on the sleeve 220 which is journaled for oscillation in the bearings 2|9 mounted on frame member 22. As this shaft oscillates the rolls 26| and 262 are alternately raised and lowered to bring the sheet in contact with the roll 254 or to drop the sheet below the same.

The sleeve 220 is` oscillated in the following manner: Attached to the sleeve is an upstanding arm 343 (Fig. 12) which has pivoted to the upper end thereof a longitudinally extending link 344 shown in Figs. 3 and 17. This link extends rearwarly of the machine and is pivoted to a lever 346. Lever 346 is pivoted on a stud 228 which is secured to the bracket 14. 'I'his lever has rotatably mounted at its other lend a roller 341 ` longitudinal frame members 33 and 34.

y movement of the lever. 324. This moves the rolls 26| and 262 from the positions shown in Fig. 8 to the position shown in Fig. 'I and vice versa.

In order to prevent the glued sheet from following around the roll 254 an idler roll 321 is employed which is rotatably mounted in bearings secured to a cross bar 328. This cross bar is supported on two hooked brackets 329 which are secured to the bearing blocks 25| and 252. These brackets also provide bearings yfor a transverse shaft 33| which supports two depending hooked arms 332. Arms 332 rotatably support two small rolls 333 which straddle the roll 321. The rolls 333 are disposed below the lowermost portion of the roll 254 and can be moved from the position shown in Fig. 8 to that shown in Fig. '1. When in the latter position rolls 333 are out of the way and the sheets engaging the glue roll 254 travel freely beneath the same and are discharged to the assembling device J. When the rolls 333 are in the position shown in Fig. 8 the said rolls engage the roll 26| and assist in maintaining the sheets out of contact with the roll 254 son that thev sheets may pass through the device without' vvice are delivered to the assembling device J, the

description of which will now follow. 'I'his assembling device is best shown in Figs. 11 and 12 and includes two temporary supports 35| and 352 which consist of plates disposed in proximity to the frame members 33 and 34 and somewhat above the same. These plates are supported by hangers 353 and 354 which are pivotally connected to two posts 355 and 356 secured to the The hangers 353 and 354 may swing toward and from the center of the device to bring the temporary supports 35| and 352 in positions where the same may support the sheets fed from the gluing device H. When the sheet-is in position upon these supports the said supports are moved away from the center of the machine and the glued sheet is dropped, the same falling upon a table 351 secured to the longitudinal frame members 33 and 34.

The two temporary supports 35| and 352 are moved in the following manner: Pivoted to the post 355 at 358 is a vertically extending lever 359. The upper end of this lever has pivoted to bracket 365 secured vto post 356 and the other end of said bell. crank has pivoted to it a link 366 (Fig. 1) which in'turn is pivoted to a pin 361 on an arm 368. Arm 368 is rotatably mounted on. a stub shaft 369 which is securedto a bracket 31| mounted on horizontal frame member 34. The arm 3 68 has rotatably mounted on it a roller 312 which engages a cam 313 fast on shaft |6| previously referred to. As this shaft rotates, cam

313 `oscillates the arm 368 which causes simultaneous movementoi the two hangers 353 and 354 and they temporary supports 35| and V352 carriedby `the same toward and from each other.

.Acounter weight 318 attached to the arm 368 maintains the roller 312 in engagement with the cam 313.

.In order tov prevent the sheets deposited upon thetemporary supports 35| land 352 from following either of thesupports, a number of vertically extendingztngersl 314 and315 are employed which are disposedoutwardly of the lateral edges of the sheets,l and which aremovable laterally in slots 380 in the temporarysupports 35| and 352 and inV the `table 351. Fingers 314 are mounted -on across head. 316 which is attached to avertically extending arm 311.. lFingers 314 are' similarly mounted on a crosshead 318 which is attached .to a vertically. extending arm 319.' Arm 311 is pivotally mounted in a bearing 38| secured to horizontal frame member 22 and arm 319 is similarly mounted in a bearing 382 secured to thev horizontal frame member 23. The two arms 311 and 319 are connected together by means of two links l383 `and 384 which are pivoted at their inner ends to a yoke385 and at their outer ends to the arms 311and 319. A rod 386r is slidably mounted in the yoke 385 andis guided for movement in a cross bar 48| secured to two depending brackets 482 and 483` attached to the longitudinal frame members 33 and 34. This rod has secured to it a clevis 381 which is pivoted to one arm 388 of a bell crank 389. Bell crank 389 is pivotedon a stub shaft 39| secured to a bearing 392 fast on horizontal frame member 23. The other arm 393 of this. bell crank extends upwardly and has attached to it a cam 394. A roller 395 rotatably mounted on an arm 396 is adapted to engage this cam and to move the arm 393 inwardly. Arm, 396 is attached to the shaft 1|. The rod 386 has secured to it two collars 391 and 398 which are collar 398 and to the link 383 and serves to move the cam 394 toward the shaft 1| and to lower the links 383 and 384 so as to move the ingers 314 and 315 toward one another. Fingers 314 and 315 by means of the movement imparted to the same through cam 394 center the sheets and arrange the same in proper position over the table 351.

For vlimiting the movement of the sheets delivered tothe assembling device J an end stop 484 is employed which is secured to the upper end of a vertical arm 485 as shown in Fig. 11. 'I'his stop is disposed in proximity to the ironing mechanism L which consists of two rolls 486 and 481 and bears against the lowermost roll 486 thereof. The lowermost end of the arm 485 is pivoted to another arm 488 which in turn is secured to a shaft 489. Shaft 489 is mounted for rotation in a bearing 4|| (Fig. 2) secured to the upright 39. This shaft has attached to its outer end a depending arm 4|2 which is drilled to receive the end of a connecting rod 4|3. Connecting rod 4| 3 has two collars 4|4 and 415 attached to the same which engage the arm 4|'2 on opposite sides and which serve to oscillate the shaft 489 as the connecting rod 4|3 is reciprocated. The connecting rod 4|3 is provided at its other end with a clevis 4|6 which is pivoted to an arm 4|1 mounted for oscillation'o'n a stub shaft 4|8 secured vto the bracket 15. Arm 4|1 has securedto it a bent arm 4|8 which .has rotatably mounted at the end thereof a roller 4|9. Roller 4|9 engages a camr 42| which is mounted on shaft 85. A counter weight 422 secured to the arm 4| 1 maintains the roll'er 4|9 -in engagement with the cam 42|. As the shaft 85 rotates, end stop 484 is, moved fromthe vposition shown in Fig. 11 which arrests the movement of the sheet toward the ironing mechanism L to a positionr below the level of the table 351 permitting` the 'sheet to be fedto theironing mechanism.

`In order' to cause the sheets` to descend from the temporary supports 35| and 352 tothe table 351 and to furtherprevent the sheets from following either of said supportsduring their movement outwardly, a presser foot 423 is employed which is shown in Fig..12 and is constructed in the form of a vroller journaled in a clevis 424 secured to a depending rod 425. This rod is pivoted to a lever 426 which in turn is pivoted at 421 to a bracket y428 securedto the horizontal frame member ,34. The lever 426 is provided at its end with a roller 429 whichis adapted to engage a cam 43| fast on the shaft 1|. This cam is so timed. that as the temporary supports 35| and 352 are moved outwardly the presser `foot 423 descends and forces the sheet down upon the table 351.

'Ihe sheets leaving the' gluing device H are delivered to the assembling device J in the. following manner: The two rolls 26| and 262 are positively driven by the chain 284 and the sheets resting upon the same are positively progressed toward the assembling device. Movement of the sheets is procured through these rolls whether the sheets are in engagement with the roll `254 or free therefrom and the movement of the sheet by these rolls is rapid enough so that the sheets are slid along the temporary suports 35| and 352 and until they engage the end stop 484.

The assembled 'stack of sheets after the required number of sheets have been assembled is moved from the assembling device J by means of the feed mechanism K to the ironing mechanism L. 'I'he feed mechanism K will now be described in detail which is best shown in Figs. 11 and 12. Operating in a slot 432 in table 351 is an auxiliary table 433 which is guided in said slot by means of guides 434. This table has secured to the underside thereof bearings 435 which journal a. shaft 436. vShaft 436 has rigedly secured to it a. bell crank 431 which has pivoted to the lower end of thesame a link 438. Link 438 is pivoted to the upper end of a vertically extending arm 439 which is mounted on a shaft 44 Shaft 44| is journaled in bearings 442 secured to the horizontal frame members 22 and 23. The shaft 436 has also secured to it two arms 443 which are movable toward and from the auxiliary table 435. The movement of these arms is limited by means of double headed rivets 444 secured t said arms and operating through suitable holes in the table, not shown. As will be noted in the drawings, table 351 is slightly below the line of tangency of the two ironing rolls 486 and 481. The two rivets 444 `when the arm 439 is moved toward the left, as shown in Fig. 11, raise the assembled sheets so that the same are substantially in the horizontal plane of tangency of said rolls, whereby the assembled sheets are readily fed into the rolls.

The shaft 44| is operated in the following manner: Secured to the shaft 44| is an upwardly extending arm 445 which has pivoted to the upper end of the same a link 446. Link 446 is pivoted to a bell crank 441 which is mounted for oscillation upon the stub shaft 220. This bell crank is provided with a roller 440 (Fig. 17) which is adapted to engage a cam 449 secured to the gear 224. This cam is driven by shaft 05 through the gear 223 and serves to reciprocate the link 446 and to move the auxiliary table 433. A counter weight 440 secured to an arm 450 which is attached to shaft 44| operates to maintain the roller 440, in engagement with cam 449 and to move the auxiliary table 433 rearwardly to the Iposition shown in Fig. 11. The table 433 is provided with a lip 45| which extends upwardlyv therefrom at the rearward edge of the same which engages the stack of sheets and progresses the same toward the ironing device L.

The ironing mechanism L as previously described, comprises two rolls 406 and 401 whichv and have bearing blocks therein in which the trunnions of the roll 401 are journaled and which are l urged downwardly by means of suitable springs to provide yielding pressure between the rolls 401 and 406. 'I'he pressure between these rolls can be adjusted by means of adjusting screws 453 provided for the bearings 452. In this manner any desired pressure can be lexerted upon the assembled sheets and as the stack ,of sheets pass between the rolls the sameare ironed and pressed together and a composite structure is provided suitable for pressing into the flanged end wall structure.

The rolls 401 and 406 are driven in a manner best shown in Fig. 2., Attached to the shaft 216 is a sprocket wheel 454. A chain 455 passes over this sprocket wheel and another sprocket wheel 456 fast on the trunnion 459 of roll 401. The rolls 401 and`406 have intermeshing gears 46| and 462 by means of which the lowermost roll 406 is driven from the roll 401.

The ironed stack of i sheets or the blank from which the end walls are constructed is fed from the ironing mechanism L to'the trimmer N by means of conveyor M, best shown in Fig. 1.3.

'I'his conveyor consists of two rolls 463 and 46i4.

The roll 463 is secured to a shaft 465 which is mounted for rotation in bearings466 and 461 of which the bearing 461 is secured to the longitudinally extending frame member 33. A plate 468 connects the two bearings 461 and v466 to- Bearings 41| and 412 are secured to a plate 413 which is attached to a bracket 414 mounted on the longitudinal frame member 30. By rotating the sleeve 469, the roll 464 can be moved toward and from the roll 463 to vary the pressure between the said rolls and to procure a feed for the blanks leaving the ironing device L or to permit said blanks to travel partly through the conveyor M without interference.

The rolls 463 and 464 are driven in the following manner: Attached to the end of the shaft 465 is a sprocket wheel 415. A chain 416 passes about this sprocket wheel and another sprocket wheel 411 secured to the trunnion 450 of the ironing roll 401. In this manner shaft 465 is positively driven. Attached to this shaft is a spur gear 410 which meshes with a corresponding spur gear 419 on shaft 410.

The sleeve 469 is rotated for the purpose of moving the roll 464 toward the roll 463 by a mechanism best shown in Fig. 11. Journaled in a bearing 40| secured to the longitudinal frame member 33 is a 'short shaft 402. This shaft carries a depending arm 403 which has pivoted to it a link 404. Link 404 is in turn pivoted to a bell crank 405 which in turn is pivoted at 406 to the upright 30. 'Ihis bell crank has pivoted to it a lirik 401 which isV in turn pivoted to an arm 400 secured to sleeve 469. When the arm' 403 is moved toward the right, as viewed in Fig, 11, arm 400 is raised and the roll 464 is moved toward the roll The shaft 402 is oscillated in the following manner: Attached to this shaft upon the exterior of frame member 33 is a vertically extending arm 409. I'his arm has pivoted to it a link 49|. Link 49| is in turn pivoted to a bell crank 492 which has rotatably mounted on itel roller 493. This bell crank is mounted for oscillation on the stub shaft 220. The roller 493 engages a cam y494 which is secured to cam 340 and travels with gear 224. A counterweight 495 secured to the bell crank 492 urges the roller 493 into engagement with cam 494.

To continue the feeding of the ironed stack of sheets to the trimmer N after conveyor M ceases to progress the same, a mechanism is employed which is best shown in Figs. 11, 13 and 14. Extending across the two longitudinal frame members 2,2 and 23 is a shaft 496. This shaft is journaled in bearings 491 and 490 attached to the frame members 22 and 23 and is held from axial movement therein by means of collars 499 pivoted to them dogs 5|3 (Fig. 11) which operate` at the point of tangency of the rolls and which take the ironed stack of sheets after the same leave the rolls and progress the said sheets'up to the trimmer M.

The shaft 496 is operated in the following manner: Attached to the outer end of said shaft is a vertically extending arm 5|4`which is constructed with-a hub 5|5 rigidly secured to said shaft. I'he upper endof this arm has pivoted to it a link 5|6 which extends rearwardly'of the machine and which is best shown invFig. 3l This link is pivoted't'o a bell crank 5|1 (Fig. 1'1 which carries a roller 5|0. This bell crank is mounted on the stub shaft 2 20. Roller 5|0 engages a cam |9 which travels with the gear 224. Roller 5|8 is maintained in contact With'cam 5|9 by means of a counterweight 52| which is attached to an arm 522 secured to shaft 496. As the gear rotates the bell crank is oscillated and the shaft 496 correspondingly oscillated to operate the dogs 5|3 in a manner to feed the paper.

The trimmer N comprises a rotary table 523 and a rotary shoe 524 positioned above the same. 'Ihe trimmer also includes mechanism for urging the shoe 524 against the fable 523 to cause the .same to rotate. As thestack of sheets rotates the marginal portions of the same are trimmed by a cutter 525 best shown in detail in Fig. 14.

The table 523 is mounted on a flange 526 which is attached to a vertical shaft521. This shaft is mounted for rotation in a vertical bearing 528 attached to a cross frame member 529 secured to the longitudinal frame members 33 and 34. The shaft 521 is provided at its end with a collar 53| which engages a shoulder 532 formed in the bearing 528. A compression coil spring 533 is seated at one end against the shaft 521 and at its other end in a cap 534 secured to the end of thebearing 528. This spring maintains the table 523 at the elevation of the horizontal plane of tangency of the conveyor rolls 463 and 464.

The shoe 524 is similar to the tablel523 and is mounted on a flange 535 which is attached to a vertically extending shaft 536. This shaft is slidably and rotatably mounted in a bearing 531 secured to a cross frame member 538 which is4 attached to the two longitudinal frame members 33 and 34. Rotatably mounted upon the upper end of the shaft 536 is a spur gear 539 which meshes with a spur pinion 54| fast on a shaft 542. The lower end of this shaft as shown in Fig. 13 is journaled in a bearing 543 which is attached to the longitudinal frame member 34. Shaft 542 carries a bevel gear 544 which'meshes with another bevel gear 545 fast on a shaft 546 (Fig. 2). This shaft is journaled in a bearing 541 mounted Y on the longitudinal frame member 34 and carries a sprocket wheel 548. A chain 549 passes over this sprocket wheel and another sprocket wheel 55| fast on trunnion 459 of the ironing roll 401. This roll is driven as previously described and affords a drive for the gear 539.` Gear 539 has attached to it a jaw clutch member 552 which can be shifted vertically by means of a forked arm 553, best shown in Fig. 14. This jaw clutch member is adapted to engage another jaw clutch member 554 pinned to the shaft 536. When the jaw'clutchmember 554 is brought into engagement with the clutch member 552, a drive is effected between gear 539 and the shaft 536 ro' tating shoe 524.

Lever 553 is 'pivoted at 555 to a standard 556 secured to the cross frame member 538. This lever has pivoted to its outerend a depending link 551.which in turn is pivoted to a bell crank 558v mounted for oscillation on a shaft 559 secured to a. mounting 56| which in turn is attached to the longitudinal frame member 33. 'I'he bell crank 558 has pivoted to it alink 562 which in turn is pivoted at 563 (Fig. 17) to an oscillating member 564. This member is in turn pivoted at 565v to a. bracket 566 secured to the upright 21. The'member 564 carries two rollers 561 and 568 which engage two cams 569 and 51| fast on the shaft 8 5. The two rollers 561 and 568 cause positive movement of .the link 562 pivoted thereto, whereby the lever 553 is positively (raised and lowered and the shoe 524 caused to turn the stack of sheets delivered by the same through engagement with the table 523.

The cutter 525 as shown in Fig. 14 comprises two cutter disks 512 and 513 which are mounted on shafts 514 and 515. These shafts are journaled in bearings 516 and 511 attached to the longitudinal frame member 34. Upon the two shafts 514 and 515 are meshing spur gears 518 and 519, whereby the two cutter disks 512 and v513 are positively driven. A sprocket wheel 58| attached to shaft 514 is driven by means of a chain 582 which passes over a sprocket wheel 583 fast on shaft 459. This shaft is driven as. previously described so that the cutter 525 operates continuously. The cutter 525 is situated a distance from the center of the shafts 536 and 531 equal to the radius of the blank to be cut from the assembled stack.

The assembled stack of sheets is fed into the trimmer N in such a manner that the said sheets just clear the cutter 525. Longitudinal movement of the assembled stack is terminated by means of a stop rod 584 which is slidably mounted in a guide 585 secured to an annulus 586, forming part of the press P which will be presently more fully described. This stop rod is pivoted to an arm 581 which is mounted for free swinging movement on shaft 496. As the arm 581 is oscillated stop rod 584 is caused to project above the level of the .table 523 and to arrest movement of the assembled stack of sheets. The arm 581 is held in position on shaft 496, as shown in Fig. v14, between the hub 503 and a collar 588 secured to said shaft. Arm 581 has issuing forwardly from it an extension 589 by means of which said arm is oscillated in a manner to be presently described.

Operating in conjunction with stop rod 584 are shifter fingers 59| and 592 shown in Fig. 14. The lingers 59| are attached to a vertically extending arm 593 and the fingers 592 are similarly attached to a vertically extending arm 594. Both of these arms are provided with hubs 595 (Fig. 11) which are journaled on stub shafts 596 secured to brackets 591 attached to the longitudinal frame members 22 and 23. The .hubs 595 have rigidly attached to them arms 598 and 599 which meet at the center of the machine and which are slidably and pivotally connected together by means of a joint 60| similar to the joint formed between the two arms 309 and 3| illustrated in Fig. 19. The arm 594 is oscillated back and forth by means of a link 602 which is pivoted at 603 to a bracket 604 secured to saidarm. Link 60| is in turn pivoted to a crank arm 605 which is attached to a shaft 606. 'I'his shaft is journaled in a bearing 601 attached to longitudinal frame member 34 and carries another arm 608 extending outwardly therefrom. Arm 608 has pivoted to it at 609 a link 6| which in turn is pivoted at 6| 2 to a swinging arm 6|3 mounted for oscilla.- tion on shaft 4 |8 previously referred to. Arm 6 I3 carries a roller 6|4 which engages a cam 6| 5 fast on shaft 85. A spring 6|6 acts between the arm I608 and the longitudinal frame member 34 and maintains the roller 6|4 in Contact with cam 6|5. As shaftl 85 oscillates the fingers 59| and 592 are brought together and engage the sheet .in a manner to square the sheet up and center the same with respect to the table 523. Finger 592 is so arranged that the right hand edge of the sheet as viewed in Fig. 14 is brought right snug up to the cutter disk 512 so that as soon as the drive is effected the cutter 525 shears the assembled stack of sheets in a complete circle.

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