Nov. 12', 1946. c. E. WYRICK 2,41 1,075 WEB-FEEDING DEVICE Original Filed April 27, 1939 2 Sheets-Sheet 1 InvmToR (DH/700' C WYP/CA/ Nov. 12, 1946. ' c, E, wYR|cK WEB-FEEDING DEVICE Original Filed April 27, 1939 FIE. 4 2,41 1,075 2 Sheets-Sheet 2 ' 2,411,075 ‘ Patented Nov. 12, 1946 u-Nireo A'STATES ' PATENT OFFICE - 2,411,075 WEB-FEEDING DEVICE Clayton E. Wyrick, Miami, Fla., asslgnor to The Egry Register Company, Dayton, Ohio, a cor poration of Ohio Original application April 27, 1939, Serial No. 270,396. Divided and this application July 20, 11142, Serial No. 451,646 . 1 Claim. 1 . My invention relates to a machine for align ing and folding continuous webs of material into a fan-folded pack. 'The invention is particularly adapted for pre paring the zigzag folded pack of sheets provided for use in autographic registers, such as illus trated in my copending application Serial No. “ 2. machine wherein a paper web hinge and align ing blade and web clampingroller means operate in a de?nite predetermined timed relationship so that after the web to be folded is started through the machine the complementary web hinge align ing members cannot be moved out of alignment relative to each other. Another object is to provide a machine for ‘ 142,661, filed May 14, 1931, and similar devices. - aligning perforated sections of multiple super My invention, however, is not limited to this ' particular use as it is obvious the invention is 10 imposed continuous webs and folding said super to be used in printing machines and other sim imposed sheets together in a fan-folded pack. Another object is to provide in a hinged web aligning and folding machine of this nature, dividual forms from each other in use. other so that the hinged or otherwise weakened adapted for fan-folding packs of superimposed continuous sheets or webs of material which are means for producing a loop or slack in the con ilar recording apparatus. These packs comprise multiple superimposed continuous sheets of paper 15 tinuous web being drawn through the machine, adjacent the entrance to the hinge aligning mechhaving spaced printing forms thereon. anism at a predetermined time. This permits Hinge sections are provided between each form relative shifting of the individual webs over each for permitting the ready detachment of the in The principal object of this invention is to 20 sections of the different webs of paper will move into alignment with each other. provide a machine which will accurately align Another object is to provide in a folding ma» and fold a plurality of superimposed sheets of printed forms at their hinge joints, regardless _ chine of this character a gripper roll which is held in place by gravity so that it is‘ free to swing of the slight variations in the distance between the hinges. It will be appreciated the hinge por_ 25 away from the web of paper to make possible the loading of the machine. ' tion between the spaced forms may comprise Another object is to provide clutch means for perforations, slits, indentations, or otherwise producing a gradual speed acceleration of the weakened web portions whereby the individual aligning and folding machine during the start forms may be detached as by tearing off from ‘ the remainder of the continuous sheet of forms. 30 ing period so as not to put undue stress on the » webs or machine parts. Another object is to provide a slack producing Another object is to provide a paper web hinge mechanism so asto permit shifting of the in- ' aligning and folding machine comprising means dividual superimposed webs of paper being folded for moving superimposed webs of paper there-1 so that the corresponding hinge portions in the different webs of paper are brought into align 35 ‘through, aligning the webs at their spaced hinge sections and folding of said webs, which mecha ment even though they do not happen. to register nisms are driven by a power train comprising 8. exactly with one another. single prime mover. Another object is to provide a machine of the Another object is to provide in a machine‘ of character described, comprising engaging roller means between which the paper web is drawn 40 the character described, mechanism for auto -matically‘ disconnecting the electrical circuit to having alternate roller web clamping and hinge the auxiliary variable speed feeding web gripper aligning blade means adapted to cooperate with rolls'in response to declutching of the prime opposed clamping and hinge aligning blade , members for alternately aligning and creasing mover. ' the superimposed webs of paper, ?rst-in one di 45 Another object is to provide in a paper web handling. machine of the type aforementioned, rection, then in the opposite, the produce a means for disconnecting‘ the driving means from fan-like folded strip. ~ l the web‘ feeding mechanism so as to permit Another object is to provide a machine for manual operation of said web feeding mecha folding continuous webs having spaced printed > forms thereon wherein a variable speed member 50 nism. Another object is to provide a web feeding is arranged between the prime mover and the roll mechanism comprising a friction disc mem moving parts of the machine so that the speed ber which is yieldably pressed against a driven at which the web may be moved through the ma wheel member and wherein means is provided chine may be varied. ‘ Another object is to provide a paper folding 55 for moving said web feeding roll out of engage 2,411,075 3 4 ment with said driven member and locking it in position to be manually operated. ' In the drawings: Figure 1 is a diagrammatic view or the com plete machine illustrating the principal features of the mechanism for passing multiple super imposed sheets of paper through the machine and the arrangement of the web hinge aligning and folding mechanism; Figure 2 is a diagrammatic perspective view of operates a similar pulley member 30, which in turn‘ is provided with a drive pulley 3i. Drive pulley 3| rotates the shaft 32 by means of the driving belt 33 and pulley wheel 34. Attached to the shaft 32 is a gear 35 which meshes with gear 36 keyed to the shaft 31. The gears 35 and 36 are adapted to drive the web aligning mechanism of this machine. This hinge aligning mechanism comprises opposed endless chain members carry ing hinge aligning blades and clamping roller. the driving mechanism of the machine; means which are generally designated 36 and 39 in Figure 2. Secured to the shaft of one of the sprocket means for feeding the webs through the machine, driven hinge aligning units is an auxiliary with associated parts lbeing broken away'to show 15 sprocket 40 and chain 4| for driving the sprocket the construction more clearly; ' 42 and attached slack-producing roller means 43 Figure 4 is a side elevation view of the web and 43a. Sprocket wheel 44, which is driven gripper roll friction disc driving means and vari through the power shaft 32, rotates the sprocket able speed mechanism therefor; ' wheels 45 and 46 by means of the endless chain Figure 5 is an elevation view, partly in section, 41. Rotation of the shaft 48 by means of the with certain parts broken away, showing the sprocket wheel 45 operates the web guide rolls 49 gripper and web guiding rolls and lateral align and 50. Through the train of gears 5|, 52, 53, 54, ing feed roller mechanism illustrated in Figure 3; 55 and 56 the fan-folding and stacking means 51 Figure 6 is a detail view of the fastening means and 58 are actuated, as illustrated in Figure 2. for latching the gripper rolls out of contact with 25 Provision for counting the revolutions may be the friction driving disc preparatory to manual made through an auxiliary attachment geared operation of the rolls for threading the paper to the stacking means 58, asillustrated at 58a. webs into the machine; ‘ " The knurled gripper web feeding rolls 8 and 9' Figure 7 is a fragmentary plan view similar to are driven through a variable speed friction disc Figure 3, showing the gripper roll mechanism in 30 means ‘59 by power supplied by the shafts 60 and position for hand operation. ' GI which are rotated by the sprocket wheel 46 Figure 3 is a plan view of the friction disc driven knurled web gripper rolls and guide roll General construction through the reduction gear box 62, as diagram matically illustrated in Figure 2. The speed at which the gripper rolls 8 and 9 are run is regu the machine are diagrammatically illustrated, in 35 lated by the distance the friction drive wheel 63 which the paper web supply rolls are generally is maintained from the axle shaft 64 which ro Referring to Figure 1, .the essential parts of designated B; web guide rolls C; gripper or web feed rolls D; free paper web loop E; lateral web aligning and guide roll F; web separator rolls G; slack-producing roller mechanism H; web hinge tates the attached friction disc wheel 59. Nor mally the gripper web feeding rolls 8 and 9 are driven at a speed which draws paper from the supply rolls at a slightly lower rate than that aligning and creasing mechanism I, and fan required so that the paper web loop E formed folding web-stacking means J. The web supply rolls B, as shown in Figure l, between the rolls l0 and I5 gradually shortens. A conventional type tiltable mercury switch 63 are mounted one above the other and are attached may be mounted on a pivoted plate 66 and uti lized to connect the solenoid 69 with a source of to their respective axle shafts 2. Paper webs 6 are drawn off from the supply rolls B and over the individual guide rolls ‘la, thence insuper imposed engagement through the knurled gripper ‘electric current to increase the rotational speed of the paper web feeding roll 8 by moving the armature ‘l0 and attached member ‘I8. The friction drive wheel 63, as shown in Figures or feed rolls 8 and 9. From the gripper rolls the webs pass downward around the counterbalanced 50 4 and 5, is connected so as to rotate with .the shaft web loop forming roller l0. 6| and is also adapted to move longitudinally After the superimposed webs 6 pass around the ' along. the drive shaft 6|. Spring means ‘H urges free loop they are conducted over the guide roll the‘ wheel 63 toward the outer periphery of the l5 which laterally aligns the superimposed webs disc 59. The drive'wheel 63 is Provided with a so that the edges of the different sheets coincide 55 circular portion 12 of smaller diameter than the with each other.' Thereafter the multiple sheets opposed rollers ‘I3 are adapted to ?t. The stub are separated from each other by passing the roller shafts 14 are secured to the end of the webs of the individual rollers I6. This permits swingable members 15 which are disposed at op a layer of air to be introduced between the webs posite sides of the drive shaft 6|. Arranged so that they can more readily move or shift rela around the shaft 6| below the drive wheel 63 is tive to each other during the web hinge aligning a ?xed collar 16 which is fastened to the pair of operation which follows. frame members 11. Roller support members 14 The superimposed webs are drawn through an are pivoted to the collar 16 as'at 16a so that the intermittent slack-producing means I‘! which rollers 13 maybe swung in and out of engagement operates in synchronism with the web hinge 65 with the lower portion of the drive wheel 63. aligning and creasing mechanism l8. Thereafter The solenoid 69 is attached to the SUPDOrt 'l‘l the hinge aligned and creased webs are guided opposite the rollers '13 and the outer end of the downward and fanufolded upon the counterbal solenoid armature ‘I0 is connected by means of . anced platform or‘table member l9. the links 18 to the ends of the members 14 sup 70 porting the rollers 13. When the solenoid is en Power train ' ergized the rollers 13 are swung in under the The driving motor 25 for operating the machine driving wheel 63, as illustrated in Figure 4, fore; is provided with a driving cone pulley 26 having ing the friction drive wheel 63 to move against a belt 21 which engages a, cone pulley member the spring and approach near the center of the 28. Driving belt 28 running over the pulley 23 75 friction driven disc 59. This inward movement 2,411,075 5 of the drive wheel 63 increases the speed of rotat ing the disc 59 and likewise the attached gripper rolls 8 and 9 so that the webs are fed faster into the machine, . Upon speeding up the feeding rolls 8 and 9 more paper will be drawn into the machine so as er end of the ‘roll shaft I53 is provided with a pin I55 which is adapted to interlock with a re movable hand crank I55 inserted over the end of the shaft I53 for manually rotating the feed rolls 8 and 9, as shown in Figure 7. A latch means I51 is disposed over the lock nuts I4‘Ia and comprises a cut-away portion I58 to lengthen the paper web supply loop E (Figure and I59 which is adapted to ?t over the beveled l) which is maintained taut by the roll I0. After surface I52a of the hub I52 and the lower spring the paper loop E has been lengthened to the de sired amount, lowering of the roll I9 and support 10 adjusting member I51, respectively. The latch may be pivoted about the upper adjusting spring members II brings about tilting of the mercury screw member I41 and when the lever I5‘! is switch 68 which breaks the electrical circuit to clamped in position, as illustrated in Figure '7, the solenoid permitting the spring ‘II to force out the shaft I53 and feed roll 8 are moved against _ the rollers ‘I3, These rollers normally tend to swing out from beneath the wheel 63 so that no 15 the springs I46, disengaging the friction disc 59 r _ from its drive wheel 63. This permits manual sticking of the mechanism can take place. On returning the friction drive wheel 63 to its normal driving position the web feed rolls are driven at a slower speed until the web loop E has shortened suf?ciently to tilt the mercury switch in the 20 opposite direction when the aforementioned cycle of operation is repeated. This continues during the operation of the machine. rotation of the feed rolls 8 and 9 so that ‘the threading of the paper webs intothe machine may be accomplished without difficulty. After the machine is loaded the latch member I51 is swung . out of engagement with the beveled hub surface I52a and the springs I46 then shift the feed roll friction disc means 59: into engagement with the friction drive wheel 63 for normal operation of The ‘web hinge aligning mechanism as illus trated in Figure 1 comprises opposed frame units 25 the machine. For operating the machine after the ,webs to 8| and 82- which are pivoted together at one end be aligned are threaded into the machine, the permitting the units to be sprung apart at the op motor 25 is ?rst started and then the drive belt posite end for threading the paper web into the 21 tightened by lowering the motor away from hinge aligning means preparatory to starting the the ?xed drive pulley 28 by operating the lever 30 machine. Keyed to the shafts 32 and 31 are the I63. In order to effect disconnection of the aux gears 35 and 36 which are in mesh. Gear 35 is iliary electric circuit to the solenoid 69 by the driven by the pulley wheel 34, as shown in Figure tilting mercury switch 68 when the operation of the machine is stopped, an additional tilting mer Mechanism for threading web into the feeding 35 cury switch I65 is placed in series with the switch rolls 68 so as to open the electric circuit to the sole noid when the motor is declutched. This is a division of my co-pending applica tion, Serial No. 270,396, ?led April. 27, 1939. are yieldably forced toward the friction drive It will be understood that the above described disc 59 by the coil springs I46 which are disposed 40 structure is merely illustrative of the manner of at opposite ends of the roller shafts, Adjustment practicing my invention and that I desire to com of the tension in the springs pressing the roll 8 prehend within my invention such modi?cations toward the friction disc is provided by the screws Referring to Figures and 5, the knurled paper web feed rolls 8 and 9 and web aligning roll I_5 as come within the scope of the claim and the I41 and lock nut members Mia, The feed roll 9 is mounted on the auxiliary cross bar members 45 invention. Having thus fully described my invention, what I48 which are attached to the tie bar I49. By I claim as new and desire to secure by Letters grasping the bar I49 it will be observed that the Patent is: ' feed roll 9 and associated members I48 can be A web feed roll mechanism including in com pivoted about the shaft I50 of the guide r011 I5, as shown in Figure 3. In this way the web feed 50 bination; a feed roll having shaft means for sup porting the same, a web aligning roll laterally roll 9 is free to swing away from contact with spaced from said feed roll and having shaft means roll 8 so as to make it easy to load the machine. for supporting the same, a pressure roll having Lateral alignment of the superimposed webs a supporting arm adjacent each end thereof, said as they pass over the roll I5 is effected by the arms being pivotally connected to said aligning beveled side portions I5I which are adapted to roll shaft means, said pressure roll when in oper engage the opposite edges of the webs causing ative position cooperating with said feed roll to them to shift over each other until the super exert pressure upon the web and capable of being ~ imposed 'webs coincide exactly with each other. pivoted to inoperative position away from said In order to permit of manual rotation of the feed roll to facilitate threading of the web be" knurled web feed rolls 8 and 9 a hub portion I52 tween said feed roll and said pressure roll and is formed on the extended shaft I53 adjacent over said aligning roll. the frame support member I54. The hub por tion I52 is provided on the inner side with a beveled or inward sloping portion I52a. The out CLAYTON E. WYRICK.