US2425920A - Single-acting flat-bed web perfecting printing press - Google Patents

Description

P. F. COX

Aug. 19, 1947.

SINGLE ACTING FLAT BED WEB PERFECTING PRINTING PRESS Filed April 16, 1944 5 Sheets-Sheeti |l||l1| llllllllrail Irlllll! l Aug. 19, 1947. v p, x 2,425,920

SINGLE ACTING F LAT BED WEKPERFECTING PRINTING PRESS Fild April 6, 1944 5 Sheets-Sheet 2 F wo o I l -L Aug. 19, 1947. p, x 2,425,920

SINGLE ACTING FLAT BED WEB PERFECTING PRINTING PRESS Filed April 6, 1944 5 Sheets-Sheet s P. F. COX

Aug. 19, 1947.

SINGLE ACTING FLAT BED WEB PERFECTING PRINTING PRESS Filed April 6, 1944 5 Sheets-Sheet 5 Patente Aug. l, 1947 SHNGLE-ACTING FLAT-BED WEB PERFECT- ING PRINTING PRESS 15 Claims. I

This invention is a novel printing press particularly adapted for use by the publishers of daily newspapers in small towns; and one object thereof is to produce a small inexpensive flat bed roll-fed web perfecting press which can compete in cost with the usual hand-fed cylinder presses which at present are the only presses available to the small daily and weekly publisher. Flat bed web presses have heretofore been produced, but there is a present tendency to increase the cost thereof owing to constantly added improvements to such extent that their initial low-cost feature has been for the most part lost.

Another object of the invention is to provide a single acting flat bed web perfecting press which can compete with the faster presses in which speed was the most important feature.

Another object of my invention is to provide a roll-fed web perfecting press that will produce the same quality of printing as any other press in its class, and more particularly will be within the cost range of the small publisher who is not so much interested in speed as in cost. Many small publishers ar now using the hand-feed cut-sheet presses and are desirous of obtaining an inexpensivepress that will put them into the roll-fed web press class which would permit them to perfect their daily, weekly, or other product in one single operation thus printing their editions at more than double the speed of their present hand-fed equipment. It is not the fault of the small publisher that he is unable to purchase a roll-fed web press suitable for his publication. He is in the market for such a press, but cannot be expected to purchase a press that is larger than necessary for his publication, nor can the press manufacturer sell him a press having twice the capacity of his needs. Few such publishers will pay more for a press than it is worth to him, though the press may have greater capacity than his needs.

Further objects of my invention are to provide a press which I prefer to call a pendulum press, because of its novel cylinder action and arrange ment of parts, and in which old well-tried features of the flat bed web press type are arranged in a novel manner which will eliminate many idle rollers, cams, shafts, gears, and other elements which heretofore were necessary in presses of this type; also to provide in such presses a new arrangement of parts designed to economize floor space; said press comprising a single-acting flat bed Web perfecting press having a travelling impression cylinder, a pair of pendulum swinging bars coacting with the impression cylinder, said bars being suspended from a horizontal shaft located above the printing couples, and being perpendicularly arranged and loosely pivoted at their upper ends on said shaft, their lower ends being loosely connected with the impression cylinder journals, together with means for giving the bars a pendulum-like motion to and fro, whereby the impression cylinder may be moved forwards and backwards over the type bed; a pair of turning bars arranged directly above the impression cylinder and type bed directly above the printing couples, thereby reducing the length of the press at least four feet, and the pendulum construction permitting a further reduction in floor space; and a driven web feed roll adjacent the turning bars, whereby the advancing web is fed to the bars before the web is turned Over, the same Web feed roll receiving and advancing the web back to the impression cylinder after the web is turned over.

Still further objects of my invention are to provide a novel Pendulum press having a type- 'bed which is readily accessible to the operator permitting quick changes in pages or corrections in type forms which are so often necessary during press time; said press having an efficient linking system and distribution; also a press in which all rollers are interchangeable, three composition rollers only necessary to perfect a 4-page newspaper or an S-page tabloid publication; also to provide a press which is so simple in construction that it will produce high quality printing owing to the fact that of the web idle rollers are eliminated in my pendulum press; also a press which can be built with or without a folder; and in which colored posters can be printed, and if desired delivered fiat, a feature not found in other fiat bed web newspaper presses.

A further essential feature and object of my invention is to provide a press of the above class so designed that the press may be shipped complete erected, thus saving the purchaser the expense of erection heretofore added on to the initial press cost, and which press will not require the provision of a pit upon arriving at its destination.

Other minor objects of the invention will be hereinafter set forth.

I will explain the invention with reference to the accompanying drawings which illustrate one practical embodiment thereof to enable others familiar with the art to adopt and use the same; and will summarize in the claims the novel features of construction and novel combinations of parts, for which protection is desired.

In said drawings Fig. 1 is an elevation of my press looking at the roll-feed end.

Fig. 2 is one side elevation thereof.

Fig. 3 is a side elevation thereof looking at the opposite side.

Fig. 4 is a top plan view of the machine shown in the preceding figures.

Fig. 5 is a vertical section on the line 55, Fig. 1.

Fig. 6 is a vertical section on the line $6, Fig. 1.

Fig. 7 is a detail view showing the Geneva gear.

As shown, my novel fiat-bed web perfecting press consists of a base I which is the stationary type bed, preferably of width to accommodate two widths of type forms and of the paper web side by side, said bed being accessibly disposed close to the floor for convenience of the operator, At opposite sides of bed I are uprights 2 and 3 respectively which are preferably rectangular in shape and open, and are connected together by means of angular bars 4 and 5, or the like, connecting the side frames 2 and 3 adjacent their upper ends.

Extending from the lower portion of frames 2 and 3 are extensions 2a and 3a respectively having downwardly directed slots 2b and 3b respectively receiving opposite ends of a shaft 5 upon which is mounted the -011 of paper W which is to be fed into the press, the roll W being disposed upon shaft 6 opposite one-half of the width of base I.

Disposed horizontally at the lower ends of side frames 2 and 3 above base I are slots 20-30 respectively (Figs. 5 and 6) receiving sliding blocks 1 carrying eccentric journals for an impression cylinder 8 extending the full Width of the bed and carrying a gear Ba at one end meshing with a rack 9 so as to cause rotation of cylinder 8 as the same is moved backwards and forwards across the type beds as hereinafter described, the eccentric bearings being actuated by an arm 81) cooperating with pins l and II (Fig. 2) on the side of frame 2 so that cylinder 8 will be lowered when moving toward the web roll W and will be raised when moving in the opposite direction. The sliding blocks 1 also carry ink-distributing rolls l2, which ink the forms on the bed from a suitable fountain I00 (Fig. 6).

In order to move blocks '1, I provide pendulum arms l3 which are slotted as at 13c at their upper ends and slidably engage a fixed rod i4 extending between frames 2 and 3 adjacent the upper portions thereof, substantially centrally of the frames, the lower ends of the arms l3 being mounted upon the ends of the shaft of the impression cylinder 8. Slots l3a permit the arms I 3 to move upwardly and downwardly with respect to rod 14 as the arms are rocked.

, In order to simultaneously rock arms 3 to reciprocate impression cylinder 8, I provide a shaft journaled in and extending between the frames 2 and 3, shaft [5 carrying on its outer ends relatively large gears l6 which are keyed to shaft i5 so as to rotate therewith. Gears 16 each carry links H mounted on eccentric pins lSa ad- J'acent the periphery of gears [6, the opposite ends of links ll being connected as at Ha with the pendulum arms I3 at points adjacent their centers so that the pendulum arms l3 will be swung on rod [4 as shaft I5 is rotated to reciprocate impression cylinder 3 above the parallel type bed on base I.

Journaled between frames 2 and 3 below shaft 15 is a drive shaft 13 carrying pinions l9 which mesh directly with gears l6, said shaft I8 also carrying a drive pulley 23 (Fig. 1) which may be operated by a belt 21, and also preferably carrying a fly-wheel (not shown) Journaled in frames 2 and 3, above shaft 15, are a pair of contacting feed rolls 22 and 23, said rolls carrying at one end gears 22a and 23a (Fig. 1) respectively whereby the feed rolls are caused to rotate simultaneously at equal speeds but in the opposite direction. Cooperating with upper feed roll 22 is a roll 21 geared to roll 22 and journaled in frames 2 and 3. Feed rolls 22 and 23 are driven from shaft i5 by means of a mutilated gear. As shown more particularly in Figs. 1 and 7, a gear 24 is mounted upon shaft l5 directly below and adapted to mesh with gear 23a on the shaft of feed roll 23, said gear 24 having a, cutout or toothless portion 24a extending throughout half of its periphery, so that when the cutout 24a comes opposite gear 23a the said gear 23a will cease to be rotated, the cut-out portion 26a being such that the feed rolls 2223 will not be rotated during the time when impression cylinder 8 is being moved by arms [3 toward the web roll W but gear 22 will rotate the gears 22a and 232 when impression cylinde 8 is moving in the opposite direction, i. e., away from web roll W.

As shown in Figs. 1 and 2, in order to prevent rotation of feed rolls 22, 23 during the time that the cut-out portion 220. of gear 24 is opposite gear 23a, I provide a circular disk 25 mounted upon shaft I5 between frame 2 and the related gear 15, said disk 25 having a cut-out portion 25a extending 180 of the circumference thereof. Cooperating with disk 25 is a disk 25 (Fig. 2) on the shaft of roll 23, said disk 26 having an arcuate recess 26a in its periphery conforming with the curvature of the larger diameter of disk 25, said cut-out 28a being adapted to slide upon the larger diameter of disk 25 during the time that the cutout portion 24a of gear 24 i opposite gear 232, the arcuate portion 26a of disk 26 running off the end of the larger diameter of disk 25 at the time that the teeth of gear 22 begin to mesh with the gear 23a, the disk 25 merely rotatin on the cutout portion 25a of disk 25 during the remaining portion of the single revolution of shaft !5. When the teeth of gear 24 pass beyond gear 23a the disk 26 will be in position shown in Fig. 2 and the cut-out 2511 will upon further rotation of shaft l5 slide upon the larger diameter of disk 25.

Thus the feed rolls 22, 23 are rotated during half of each revolution of shaft i5 and are then held by means of the disks 25, 25 against rotation during the remaining half of each revolution, the arrangement being such that the feed rolls 22, 23 are held against rotation during the time that the impression cylinder 8 is movin toward the web roll W, but are positively rotated by shaft when impression cylinder 8 is moving in the opposite direction, 1. e., away from web roll W.

Journaled between frames 23 adjacent the upper ends thereof is a third feed roll 23, above which is journaled a roll 29 geared to roll 28. Roll 28 is driven directly by feed roll 2 3, as shown more particularly in Figs. 5 and 6. In Figs. 1 and 5, a sprocket 23b is shown mounted on the roll 23 in alignment with a sprocket 28a of same size mounted on feed roll 28, and a chain 39 runs around sprockets 23b and 28a whereby the rolls 23 and 28 are simultaneously driven at the same speed and inthe same direction, roll 28 being of course stationary when 101123 is stationary. Instead of utilizing the chain and sprocket drive shown in Fig.'5,-an alternate drive may be used a shown 23, said shaft 3i also carrying a beveled pinion 36 meshing with beveled gear 37 on the shaft of feed roll 28, whereby roll 28 will be driven at the same-speed in the same direction as roll 23.

However, any other desired drive for rotating. roll 28 by and with roll 23 may be used.

Disposed between frames I, 2 above ieed rolls 28 and Z9 is a web guide bar 36; and at the upper front ends of the frames 2, 3 is a supporting bar 4 i. As shown in Fig. 4 a web-turning bar as has one end supported upon an adjustable block 43 disposed at the center of supporting bar ll and its other end secured as at 32a to the frame 2, said bar 12 being disposed at an angle of 45 to the axis of the press and lying in the horizontal plane of the guide bar as. Similarly, a web-turning bar ld has one end supported upon an adjustable block 55 mounted upon supporting bat 4! adjacent the frame 3 and its other end supported by a bracket 55 disposed adjacent the longitudinal axis of the press, said bar 4 3- being disposed in the horizontal plane of the'web guiding bar 48 and being disposed at an angle of 45 to the axis of the press and parallel with the bar 32. As shown, the turning bars Q2 and 3 3 are disposed directly over the type beds and impression cylinder 3, thereby effecting a material saving in necessary size or area of the base i of the press so that same may be maintained at a minimum size.

Disposed horizontally on frame 3, adjacent the upper end thereof, is a web-reversing bar 5-? which i rotatably mounted in bearings 53 carried by extension arms id of frame 3, and bearings d8 being adjustably mounted on extensions 49- and forming a means for efiecting register of the impression on one side of the web with those on the other side, the adjustability of rod 47 permitting the effective length of the web in its path through the machine to be varied.

The web from roll W passes into the press under shaft l8, as shown more particularly in Figs, 2 and 5 and then passes upwardly in front of feed rolls 22, 23 and over roll 22 and between rolls 22 and 27, from whence the web passes upwardly and over a guide bar 5% extending between frames 2 and 3, and from thence downwardly in the direction of the arrow w (Fig. 5) and under the impression cylinder from whence the web passes upwardly as at w and over feed roll 28 and between the feed rolls 28 and 29, the web then passing upwardly and over the guide bar :36. The web then passes horizontally and forwardly as at 102 (Fig. 4) and under the angle bar 412 from whence same passes laterally a at 103 under and over the adjustable web reversing bar ill, from whence the web passes inwardly as at 205 (Fig. 4) under and over the angle turning bar M from whence the web passes rearwardly as at Z115 over the guide bar 39, from whence the web passes downwardly as shown in Fig. 6 to and between the rolls 28 and 29 and then passes downwardly as at wfi to and under impression cylinder 8, from whence the web passes upwardly at wi over the bar 5 and downwardly as at 108 between the roll 21 and feed roll 22, the web then passing forwardly in a horizontal direction between the feed rolls 22 and 23, and from thence the web may pass, to cutting, folding or other cylinders, as desired.

By the above construction, as drive shaft i8 is continuously rotated, the impression cylinder 2 is reciprocated across the parallel type beds by the pendulum arms l3 which are actuated by into printing contact with the type beds when movingin the opposite direction, i. e., towards the web r011 W. By reason of the Geneva drive of the feed rolls 22, 23 and 28, same will be driven only when the impression cylinder is moving away from web roll Wand will be held against rotation by the disks 25,26 when the impression cylinderis moving towards the web roll W. Thus when the impression cylinder 8 is moving away from roll'W a length of web will be fedfrom the roll by the feed rolls 22, 23 and 28 to bring an unprinted portion of the web into position for printing, so that, when .the impression cylinder is moving on the printing stroke towards the web roll W, the stationary web will be printed while the feed rolls 22, 23 and 28 remain stationary. i

As the web from roll W passes from the roll over the type bed, one side of the web will be printed, whereupon the web is directed to the turning bars 42 and 44 arranged over the bed and impression cylinder and will be turned over by the arrangement of turning bars and will be re-directed to the other side of the type bed, thus providing a web perfecting unit of simple design and construction, the adjustment of webturning bar 41 serving to maintain register of the printed portions on both sides of the web.

My fiat bed roll-fed web perfecting press will produce the same high quality of printing as any other press in its class, and is so designed that it may be sold within the cost range of the small publisher, since while embodying certain features of flat bed web presses heretofore manufactured the arrangement of parts is such that many idle cams, gears, shafts and other elements are eliminated.

My novel press is moreover so arranged and designed to economize floor space. In my press the pendulum arms pivoted at their upper ends on the frames with their lower ends carrying the journals of the impression cylinder, provide means for moving the impression cylinder to and fro over the bed, and this pendulum construction together with the feature of placing the turning bars 42 and 44 directly above the print: ing couples reduces the length of the press. Moreover, in my novel pendulum press the type bed is so arranged as to be readily accessible to the operator permitting quick changes or corrections in type forms, and the arrangement is such that efiicient inking systems and ink distribution systems may be utilized. In my press a minimum of interchangeable composition rolls are necessary to perfect a l-page newspaper or an B-page tabloid publication. Moreover, my press is so designed that it may be shipped completely erected and doesnot require the provision of a pit at its place of installation.

I do not consider my invention limited to the exact form shown in the drawings, for obviously changes may be made therein within the scope of'the claims.

I claim:

1. In a web perfecting printing press having a stationary type bed, and having a travelling impression cylinder cooperating therewith; web turning means disposed directly over the type bed andimpression cylinder; a drive web feed roll adjacent the turning means for receiving and advancing the web from the impression cylinder to the turning meansbefore the web is turned over and for, receiving and returning the web to the impression cylinder after the web is turned over.x r

masses In a press :as :set zferth :iniclaim "i1, aneans in the webzturning meanseiorregisteringrtheareas of impression onthe webion-oppositesidaesthereof.

3. In a press as :set forthfin 'claim li said'turning means directing :the -webitoion'e side got :the press; and a web/reversingebarzatgsaidisideofzthe press, said reversing :baribeingadjustahleztcrmaintain register o'fnthe 'printedzareas on both sides of the web.

4. In a web perfecting presszhaving a. pair Jof printing means, web turning-imeans qdisposeii directly above the printing ;means, and :a :driven web feed ro'll adjacentitheitnrningrmeansi'for receiving and advancing :the web from the :first printing means to the turning means before 5121518 web is turned over andforireeei-vingeand :r'etnrm ing the web to ;the second .printingzmeans after the web is turned on. v

5. In a press :asset iorth in claim 54, :means in thewebiturningmeans'fonregistering the areas of impression on the :web on oppositesides thereof. s i

6. In apress as set;forth :m:claim 4, saidtturning means directing the webrtozonesideof Tthe press; and a web reversing :bar at said side roof the .press, said. reversing Joarzheing adjnstdble towards or from the presstoimairrtainregisterof the printed areas on hoth sidesiofizthezweb.

7. In a'webiperfecting:printingrpress aiframa a horizontal stationarytype :bed :therein, at travelling impression cylinder gulded ill). ithe frame; means for moving the cylinder; means foriholding the cylinder ofi-impressi'on ronmneastroke'rthereof and for holding :the cylindenon-impression during the other stroke; a pair of web feeding rollsrj'ournaled in the'frame atone end;5intermittent1means for rotatin the feed rollswhile :theecylinder is off-impression; a second pair .ofifeed :rolls journaled in theframeat theroppos'ite end;:means for rotating the second pair :of feedirolls :with the first pair; web turning means tin the frame :arranged directlyover the type beds respectively; and meansrfor directing ithe meb fromi'the first pair of feed rolls under the :cylinder abovewne side of theibed an'clito theise'condmairofifeed'rolls and to said web turning :means; :the web' being returned from :said :turning means tto'sthe seoon'd pair of feed rollstoaandunder::thedmpressioncylinder above the other side :of ithe typerbed, cand from=thencedirectedLout ofztheqpress by the first pair of feed'rolls. i

8. In a:press:asset.:for.th inrclaimu'hrmeans in the web turning means:formegisteringithecareas of impression on thelwebnn opposite-side's thereof.

9. In a press a'ssetiorthdnplaimflgsaidintermittent means comprisingsintermeshin sgears on the first pair of feed rollsrespect'mely; ashaftadjacent said rolls, an intermittent (gear onzsaid shaft having teethextending 180 around itsperiphery and adapted to mesh with OHQQfrSflidiIltermeshing gears; a disk on said shaft having a cut-out extending 180 around its periphery; a second disk on the feed .rolLhaving a peripheral arcuate recess slidably engaging lthe raise'dlportion ofithe first diskwhile the'feedi roll gearis out of mesh with the teeth .of' the intermittent gear to prevent'rotation of thefeedrolls.

10. In a press as set forthin claim7, saidturning means directing the "web *to one side of the press; and-a web-reversing'-=bar*at said side'of the press, saidreversing banbeingadwstabletawards or from the :press to :maintain register of the printedtareas onibothisideszoft'thelweb.

11. In a web perfecting printing press, a frame,

astationaryztype bed therein,.atravelling-impiession cylinderguided in the frame; a pair of swingablearms having their upper ends pivoted to the frame :and their lower ends engaging the ends of the impression cylinder; means for simultaneously swinging the arms in a pendulum-like motion to move the impression cylinder back and forth above'the'bed; 'means for holding the cylinder 01T- impressionon one stroke thereof and for holding the cylinder on-impression during the other stroke; a pair of web feeding rolls journaled in the frame at one end; intermittent means for rotating the feed rolls while the cylinder is offimpression; a second pair of feed rolls journaled in the "frame at the opposite end; means for rotating the second pair of feed rolls with the first pair; web turning means in the frame arranged directly over the type bed respectively; and means for directing the web from the first pair of feed rolls under the cylinder and above the bed at one sideof the press, the web passing to the second pair of feedrolls to advance the web to the turning;means,'and the web being returned from said turning means to the second pair of feed rolls to "and under the impression cylinder above the type bed at the opposite side of the press and from thence directed out of the press by the first pair of feed rolls.

12. In apress asset forth in claim 11, means in'the turning means for registering the areas of impression on the'web on opposite sides thereof.

13. In a pressas set forth in claim 11, said turning means directing the web to one side of the press; and a web reversing bar at said side of the press, said reversing bar being adjustable towards or from the press to maintain register of the printed areas on-both sides of the web.

14. In a press as set forth in claim 11, said arm swinging 'means comprising a driven shaft journaled'in the frame; a second shaft journaled in theframe; gears on the second shaft opposite said arms; ;pinions 'on the driven shaft meshing with said gears; and links connecting eccentric pins on the gears with said arms adjacent their mid points 15. In a press as'set'forth in claim 11, said intermittent means comprising intermeshing gears on the first pair of feedrolls respectively; a shaft adjacent said rolls, an intermittent gear on said shaft having teeth extending around its periphery and adaptedto mesh with one Of said intermeshing gears; a disk on said shaft having a cut-out extending 180 around its periphery; a second disk on the feed roll having a peripheral arcuate recess slidably engaging the raised portion of the firstdisk while the feed roll gear is out of mesh with the teeth of the intermittent gear to prevent rotation of the feed rolls.

PAUL F. COX.

REFERENCES CITED ,The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 317,470 Prouty May '5, 1885 569,310 "Wood Oct. 13, 1896 656,142 "Lasswell Aug. 14, 1900 742,232 Read Oct. 27, 1903 "81-1;121 -Bechman Jan. 30, 1906 2,176,371 Wahl Oct. 17, 1939 694,597 Wood Mar, 4,1902 105,142 'July 22, 1902

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