US514563A - Platen printiig machine - Google Patents

Description

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Patented Feb. 13, 1894.

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P. MEISBL& H. L.'CHAPIN. WEB PNNIBGTING PLAIBN PRINTING MACHINE.

No. 514,563. Patented Feb. 13, 1894.

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` I'. MEISEL & H. L. GHAPIN.

WBB PBRFBGTING PLATBN PRINTING MACHINE.

No. 514,563. l Patented Feb. 13, 1894. fbg/[mz wre 5 E e a H4 N I D.. A H G L H Ow. L E s I E M L WBB PBRPBGTING PLATBN PRINTING MACHINE. No. 514,563.

Patented Feb. 13, 1894.

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(No Model.) 7 sheets-sheet 5.

E'. MEISEIS SDH. L. CHAPIN.

WBB PBRFBGTING PLATEN PRINTING MAGHINE.

Patented Feb.r 13, 1894,

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WBB PBRFEGTING PLATBN PRINTlNG MACHINE.

"Patented Feb. v1s, 1894.

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` P. MBISBL 8v H. L. GHAPIN.: WBB PERFBGTING'PLATBN PRINTING MACHINE.

Patented Feb. v13, 1894# nomu. umowPnrNu coMPANv w Na an u c t5 2 2 of Fig.

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FRANCIS MEISEL, OF BOSTON, AND HERBERT L. OHAPIN, OF CHELSEA, MASSACHUSETTS, ASSIGNORS TO SAID MEISEL.

WEB-PERFECTING PLATEN PRlNTlNGlVlACHl NE.

.SPECIFICATIQN forming part of Letters Patent No. 514,563, dated February 13, 1894. Application filed December 9,1892. Serial No. 454.604. (No model.)

i .TO @ZZ whom it may concern.-

Be it known that we, FRANCIS Marsan, of Boston, and HERBERT L. OHAPIN, of Chelsea, in the county of Suffolk, State 'of Massa- 5 chusetts, citizens of the United States, have Io panying drawings, making part of this speci cation, in which- Figure l is an elevation of one side of our improved printing machine. Fig. 2 is a sectional end elevation of the same on the line l. Fig. 3 is a sectional elevation on the line 3 3 of Fig. et. Fig. et is a sectional plan view on the line 4 4 of Fig. 3. Fig. 5 is a side elevation of the forni-roller track and its operating mechanism. Fig. 6 is a plan of zo the same. Fig. 7 is an elevation of one side of the platen, showing the tympan-frame and mechanism for operating the same. Fig. S is a plan view of the same. Fig. 9 is an enlarged view of the parts shown in Fig. 7. Fig. l is same. Fig. l1 is an' enlarged sectional detail showing one of the lips or flanges of the platen upon which the tympan frame slides. Fig. l2 is a detail view ofthe top feed-roll mechanism. Fig. 13 is an end Fig. 111: isa plan view of the machine. Figs. l and 16 are elevations of two ot the cams which operate the toggles. Figs. 17',18,and 19 are details of the mechanism by means of which the form-rollers are 3 5 operated to ink the type-forms.

Our invention relates to that class of platen printingmachines where the paper is taken from a continuous web or roll, and in which two type-beds and two platens are employed;

4o and our invention consists in certain novel combinations of parts and details ot construction as hereinafter fully set forth and specifically pointed ont in the claims.

ln thesaid drawings, A represents the framework of the machine, on the base of which between the side pieces is mounted a stationary plate B, forming a typebed, and between the upper ends ci the saidside pieces is secured a stationary plate C, forming a platen and arranged directly over and in line with the stationary type-bed B.

D is' a vertically reciprocating plate, forming a type-bed which co-operates with the upper stationary platen C, and E is a vertically reciprocating plate forming a platen, which co-operates with the lower stationary type-bed B, said platens and type-beds being all arranged vertically in line with each other. On these type-beds B, D, the type-forms are imposed in the usual manner.

The reciprocating type-bed D and reciprocating platen E are provided at their opposite ends with arms 19 guided in vertical grooves in the framework A, and are connected together in such manner as to move simultaneously in opposite directions by means of two double toggles G, G, Figs. l and 3, the construction and operation of which will now be described. Each of said double togglesis composed ota central oscillating bar or member h, provided atits ends with central journals c, adapted to oscillate in bearings in the framework A, the upper and lower edges of the members h being jointed respectively at d, e, to the upper and lower members g, h, of the double togglcs, the former g, being jointed at i to the reciprocating type-bed D, and the latter h, at k to the reciprocating platen E, whereby as the two members b, b, are rocked on their centers c, the upper and lower toggles will be operated as desired. The two upper toggle joints d, d, are connested by a horizon tal bar Zand the two lower toggle joints e, e, are similarly connected by a horizontal bar m, said bars serving to transmit the power from one toggle t0 the other. The central members h, h, of the toggles are each provided with two inwardly projecting arms p, p, one near each end, as shown in Figs. 25 and 4, said arms carrying cam rolls q which are acted upon by cams fr, r, s, e, on the main or central shaft l, whereby as said shaft is rotated, the double toggles are closed or straightened out, as shown in Fig. 3, and the movable type-bed and movable platen, which are nearly of the same weight, moved simultaneously in opposite directions to cause them respectively to co-operate with the staf IEO tionary platen and stationary type-bed to produce the impressions, a single revolution of the central shaft I producing two impressions, one on each side of the sheet, as required in a perfecting press.

By using the upper stationary plate C as a type-bed, and the plate D immediately thereunder as a platen, it will be obvious that the machine can be adapted for color printing, and two colors can, by this arrangement, be printed in succession on one side of the sheet,

Outside the framework A the shaft I is provided with two cams t, u, which act upon cam rolls w, d', at the outer ends of crank arms b', c', secured to the journals c of the central toggle members b, and serve to rock said members b in a direction opposite to that in which they are moved by the cams fr, s, thus openingthe toggles as shown dotted in Fig. 1, and -returning the parts to their normal positions. The several cams above described are so formed and timed as to permit the reciprocating typebed and reciprocating platen to remain at rest during such time as is required for the forms to be inked and the paper to be drawn through the machine for the succeeding impressions by mechanism to be hereinafter described. By thus combining a vertically reciprocating platen co-operating with a stationary typebed and a vertically reciprocating type-bed co-operating with a stationary platen with toggle mechanism arranged directly between and connected with said reciprocating platen and reciprocating type-bed and adapted to move the same simultaneously in opposite directions as above described, the power exerted by the toggles is enabled to do double the work, as we are enabled to utilize the force hitherto exerted in a downward direction against the stationary base or bed to which the lower toggle member has been jointed, and which has hitherto been wasted or rendered unavailable; that is, the downward pressure exerted by the lower member of a toggle against a stationary bed or base is, by our construction and arrangement of parts now made available to do the work of printing by connecting the lower platen therewith, and as the weight of the reciprocating platen is about equal to that of the reciprocating type-bed, it will be obvious that they will balance each other in their alternate ascent and descent, the weight of the one in its descent counterbalancing and assisting to raise the other in its ascent, whereby the power required to operate the machine is reduced to a minimum, and a great saving thereby effected.

To the main or central shaft I is secured a large gear K which is driven by a pinion o shown dotted in Fig. 1, on the driving shaft L, the latter carrying as usual a iy or balance wheel and fast and loose pulleys, not shown.

We will now describe the in king apparatus by means of which the forms are inked after each impression is taken. Each of the typeforms is inked by a series of form-rollers CZ',

Figs. 1, 5, and 6, the journals or. shafts of I which run in bearings in carriages, X, shown in Figs. 17, 18, and 19, said carriages being adapted to run on horizontal bars M, M, which form tracks or guideways therefor. The bars M are supported by rocker arms e pivoted thereto and secured to rocker shaftsf,g. The shaft f of the upper form roller track is provided with acrank arm 15, to which is pivoted a connecting rod\16 carrying a cam roll h', which is acted upon by a cam wheelNon the main shaft l, the lower end of the rod 16 having formed thereon a forked guide i', which embraces and slides upon the shaft I, by which it is supported. The shaft f is also provided with a crank arm 7c which is connected by a rod Z with a crank arm m', Fig. l, on the shaft f of the lower track M, whereby as the connecting rod 16 is actuated by the cam wheel N, both of the tracks M, M, will be simultaneously raised and lowered at the proper times. lowered, the form rollers will be at the proper level to take ink from the distributing rolls or ink cylinders P `at opposite ends of the tracks, and when these tracks are raise'd to their highest position, the form rollers will be at the proper level to ink the type forms. By this construction we are enabled to place the ink cylinders P below the level of the tracks M, thereby avoiding the wear which would otherwise be occasioned by the form rollers riding up over the ink cylindersif the tracks M were not capable of being raised and lowered; it being obvious that if the' said tracks were stationary, it would be necessary to have the ink cylinders project above the level of the tracks in order that the form rollers might be brought into contact therewith.' The form rollers are moved forward and back over the type-forms to ink the same in the following manner. To each of the form roller carriages X is secured a pair of horizontal rack-bars shown in Figs. 17 and 18, which slide in suitable grooves in the framework and are actuated by gears 76 secured to a horizontal shaft 77 to which is also secured at one end a pinion 78. These two pinions 78 of the upper and lower shafts 77 are both engaged by a vertical rack-bar 79 moving in suitable guides and having pivoted to it at 8O a connecting rod 8l, the opposite end of which is pivoted to a lever 82 fulcrumed at When the tracks M are IOO IZO

83 to the framework and carrying a roll 84 which runs in a cam-groove 85 in a cam-wheel 86 fast on a shaft 87 which carries at one end a bevel-gear 88, shown in Fig. 18, with which meshes a smaller bevel-gear 89 on a shaft 90 carrying at its opposite end a bevel-gear 91 which is driven by a bevel-gear 92 on the main shaft I, the gears being so proportioned that two revolutions of the shaft I are required to produce a single revolution of the cam-shaft 87. The form rollers d are thus moved forward and back over the type-forms to ink the same at each complete revolution of the cam-wheel 86, the cam-groove 85 -rod 22, thence` horizontally between of the roll 26 of'which is properly shaped to produce thel necessary dwell at the terminationy of the traverse of'the form-rollers in either direction. The shafts of the form rollers are forced downward to keep said rollers in contact with the type-forms by means of spiral springs 95, as shown in Fig, 19.

The roll of paper Q. is mounted on a hori-` zontal shaft, the journals of which rest in suitable bearings in the framework, as showny in Fig. 1. The web of paperR from this roll Q passes over guide-rods 20, 21, and under a the re` ciprocating platen E and the stationary typebed B, thence under a guide-rod 23 and over a guide and take up roller 24 and horizon` tallyibetween the upper stationary platen C and the reciprocating type-bed D, after which it passes under a horizontally adjustable guide-rod 25 to the feed or drawing rolls 26, 27, 28, between which it is tightly gripped and by which it -is fed or drawn forward lintermittiugly after the impressions have beentaken; the length of paper drawn forward at each operation of the feed rollsl corresponding to that of'a single detached sheet after it is printed. The shaft of the flower or main feed roll 2G is provided with suitable well known mechanism not shown, whereby it isy rotated intermittingly at the roper times as required. The upper feed rolls 27, 28,bear upon the margins of the paper as usual, these rolls being moved solely by the frictional contact of the lower feed roll 2b with the paper between said roll 26 and the rolls 27, 2S. The shafts 29, 30, of the rolls 27, 28, are mounted-in curved arms n pro- `jecting from a horizontal shaft p', the shafts 30 of the rolls 2S being supported in fixed bearings at the onterends of the arms n', and the shafts 29 being supported in boxes 31, Fig.12, adapted to slide within slots in the arms n', eachbox having behind it a spiral spring 32, which acts to force the roll 27 constantly toward the lower roll 26. YTo one end of the shaft p is secured an arm q ,to the lower end of'4 which is pivoted a rod r having a screw thread at its outer end,over which is fitted a threaded sleeve s', provided at one end ywith a hand wheel 38, and at its opposite end with a conical point which enters a correspondingly shaped recess in a bearing block34, whereby'by turning the screw `sleeve s', the rolls 27, 28, may be made to bear with more or less force upon the ypaper passing over the feed roll 26, the springs 32 behind the rolls 27 causing the latter to bear upon the periphery 'with approximately the same force as the rolls 28, and by thus arranging a series of pressure rolls to bear at different points around the circumference of the main feed roll, instead of in a single line only, the hold or frictional contact of the rolls upon the paper is materially increased, and the positive feed of the web thereby insured, as .all liability of slip is avoided. As the web R is stretched tightly under the surface of the lower or reciprocating platen E when the latter descends to produce the impression, it will be evident that it would become slack on the ascent or return movement of said platen,

hence it becomes necessary to employ a takeup device, which I will now describe. The journals of the guide-roll 24 are mounted in bearings in blocks t made adjustable upon horizontal bars S, Figs. 1 and 14,`one on each side of the machine; said bars being arranged to slide horizontally in suitable guideways on the frameA. Each bar S is provided on its upper side with rack teeth tu', with which engages a toothed sector c2, secured to a horizontal rockshaft 18 having its bearings in the framework, and provided outside the framework with a slotted arm b2, to which is adjustably secured a rod c2, the lower end of which is jointed to an arm d2 pivoted to the framework, said rod c2 at its junction with the arm d2 carrying a cam roll e2, which fits within and is acted upon by a cam groove T on the inner face of the main gear K, and thus through the connections described, as the shaft 18 and toothed sectors u? are rocked in the proper direction, the horizontal bars S will be forced outward in the direction of the arrow, Fig. 1, thus causing the roller 24 to take up the slack of the web Ras the platen E rises, and keep it tightly stretched in its proper position against the under surface of the said platen, the movement of the bars S being properly timed to correspond with its upward and downward movement. When that portion of the web R between the guide rod 23 and the guide and take-up roller 24 assumes different angles, as occurs when said web is to be cut up into sheets of different lengths, the take-up roller 24 is adjusted on the bars S to produce the proper register of the two impressions on opposite sides of the sheet, and at thesame time the pivot of the rod c2 is adj usted in the slot of the arm b2 to vary the amount of movement of the bars S to cause the roll 24 to properly take up the slack of the web; it being necessary to increase the movement of the bars S in proportion as the roll 24 is moved on the said bars S toward the center of the machine.

XVe will now d escribe the tympan-frame and its operative mechanism by which it is raised and lowered to bring the tympan-sheet tightly up against the surface `of the platen, and low ered to enable said sheet to be easily drawn out from under the blanket.

Each platen has a tympan-frame W, Figs. 7, 8, 9, 10, and 11,which is provided with vlugs 2, g2, having inwardly projecting pins 35, 36, which are adapted to fit or hook over and slide upon the lips or flanges h2 at each end of the platen as seen in Fig. 1l, said flanges thus forming guides or tracks which'support the ty1npan-frame WV, and upon which it is slid in and out as occasion may require. The tympan-sheet i2 is secured as usual to the cross bar 52 at the inner end of the tympanframe and has its opposite end fastened to IOO TIO

and to one end of this shaft Z2 is secured a n bell-crank m2 and to the opposite end an arm n2, the horizontal arm 50 of the bell crank m2 andthe arm n2 being each cut away at the outer end on the upper side as seen at 37,

l. forming a shoulder, shown dotted; said shoulders forming stops, against which ythe pins 36 are brought into contact when the tympanframe is pushedin' as shown dotted in Fig. 9, in which position the pins 36 rest upon the cutaway ends of the bell craulfr` lever m2 and arm n2, and as the lugs g2 are of greater length than the lugs f2, the tympan-frame will incline downward from front to rear when it,

is fully pushed under the platen, and consequently the bar 52 of the tympan-frame will not come into contact therewith as it is pushed in. To the upper arm of the bell crank lever mZis pivoted a rod p2 provided at its opposite end with a handle q2 and retaining notches r2,

which engage a lng or projection s2 on theyplaten to hold the bell crank in place when adjusted, and after the tympan-frame has been pushed in under the platen, the said bell-crank is rocked by pushingin the rod p2, which causes the armsO, rnikon which the pins 36 rest, to raise up the tympan-frame into the position shown in full lines in Fig. 9, and thus bring the tympan-sheet tightly up against the under surface of the platen into its proper working position.

When it is desired to draw out the tympanframe, the rod p2 is pulled forward by means of its handle q2, thereby lowering the inner end of the tympan-frame and causing the tympan-sheet to drop away from the platen, when it can be easily drawn out, as required.

What we claim as our invention, and desire to secure by Letters Patent, is-

V1. In an intermittentweb-printing machine, the combination, with two reciprocating and two stationary plates or members arranged in pairs, one plate or member of each pair forming a platen and the other a type-bed, of toggle mechanism arranged between said reciprocating plates or members directly under the one and over the other, whereby the pressure is applied directly under and over the impression su rfaces, said mechanism being arranged to separate or force the said reciprocating plates or members away from each other to produce the two impressions, substantially as set forth.

2. A web-printing machine having alower stationary type-bed and an upper stationary platen arranged face to face, said type-bed being at the bottom and said platen at the top of the machine, in combination with a lower vertically reciprocating platen cti-operating with the lower stationary type-bed and an upywhereby per verticallyy reciprocating type-bed co-'oper-v ating with the upper stationary platen, whereby the types on both type-beds are held face upward; said type-beds andplatens being arranged in line one above the other, and the reciprocatin g platen and reciprocating type-bed being connected together by toggle mechanism arranged between said reciprocating platen and reciprocating type-bed directly under the latter and over the former, whereby the pressure is applied directlyunder and over the impression surfaces, said mechanism being arranged to separate or force the said reciprocating platen and reciprocatingtype-bed away from each other to produce the two impressions, substantially as set forth.

3. In an intermittent web-printing machine, the lcombination, with a 'vertically reciprocatingplaten c'o-operating with a stationary typebed and avertically reciprocating type-bed co-operating withk a stationary platen, substantially as described, of connecting toggleymechanism arranged between said reciproeating platen and reciprocating type-bed directly under the latter and over the former,

the pressure is applied directly nnder and over the impression surfaces, said mechanism being arranged to separate orforce the said reciprocating platen and reciprocating type-bed away from each other to produce the two impressions, substantially as yset forth.

4. In a web printing-machine, the combination, with a vertically reciprocating platen, co-operating with a stationarytype-bed, and a vertically reciprocating type-bed co-operating with a stationary platen, substantially as described, of the toggles G, G, arranged between said reciprocating platen and reciprocating type-bed and serving to connect the same together lwhereby they are caused to move simultaneously in opposite directions, and balance each other, said toggles having central oscillating members b provided with arms 1o, h', c', the central shaft I provided with cams r, s, t, u, adapted to act upon the arms p, b', c', of the members b, b, to alternately open and close the toggles, substantially as described.

5. In a web printing-machine, the combination, with the reciprocating platen E, and a stationary type-bed B, of the toggles G, G, arranged between and connecting said platen and type-bed and having their central members b provided with arms p, b', c', the central shaft I provided with cams fr, s, t, u, adapted to act upon the said arms p, b', c', to alternately open and close said toggles, and the horizontal rods Z, m, connecting the upper and lower joints of one toggle with those of the opposite toggle, substantially as and for the purpose set forth.

6. In an intermittent web-printing machine, the combination, with the type-form, the form rollers d', the ink or distributing cylinders and means for traversing the form-roller-carriage to bring the form-rollers over the typeform and then over the distributing cylinders,

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of the vertically movable formoller track or guideway and means for raising and lowering said track to bring,` the form-rollers alternatelyin-to contact with the type-form and ink cylinders, substantially as described.

7 In a web printin g-machine, the combination, with the ferm roller tracks M, of the rocker shafts f g', provided with arms e pivoted to the tracks M, and suitable connecting mechanism operated by a cam for oscil latin g the rocker-shafts, whereby the tracks IVI are raised 'and lowered, substantially as and for the purpose set forth.

8. In aweb printing-machine, the combination, with the (3o-operating type-beds and plat` ens, of the take-up device for the web consisting of the horizontal sliding bars S carrying the web supporting roll 24., and means for reciprocatingsaid sliding bars whereby the slack of the web is taken up at the proper time, substantially as set forth.

9. In aweb printing-machine, the combination,withthe cooperating type-beds and plat ens, ofthe horizontal sliding bars S provided with rack-teeth w and carrying the web supporting roll 24, the rock shaft 18 with its toothed sectors o? and slotted arm h2, the rod c?, arm d2, and the actuating cam T, all op- @rating substantially as set forth.

l0. In a web printing-machine, the combination, with the feed roll 26, of the shaft p provided with arms n. carrying rolls 27, 28, the arm Q', rod 0', provided with the screw sleeve f and the bearing block 34, all operating substantially as and for the purpose described'. n

1l. In a web printing-machine, the combination, with the lower feed roll 26, of the rolls `its bell crank m2 and arm n2,

28 mounted in fixed bearings at the ends of the arms n of the shaft p the rolls 27 mounted in yielding bearings in said arms n', the springs 32, the arm q secured to the shaftp, the rod fr having the adjusting screw s', and the bearing block 34, whereby the pressure of the rolls 27, 28, on the paper can be regulated, substantially as set forth.

l2. In a web printing-machine, the combination, with the sliding tympan-frame and the platen, of arms adapted to engage the said tympan-frame when pushed in to raise and lower the same, and means for operating the said arms, substantially as set forth.

13. In a web printing-machine, the combination, with the platen having lips or flanges h2, of the tympan-frame `W provided with lugs 2, g2, having inwardly projecting pins 35, 36, adapted to fit or hook over and slide upon the lips or flanges h2, of the platen, the lug g2 being longer than the lug f2, whereby the tympan-frame is inclined downward from front to rear when pushed in, the rock-shaft Z2 with adapted to fit under the pins 36 of the tympan-frame, and the rod p2 pivoted to said bell-crank and provided with a locking or retaining device, whereby the said bell-crank and arm are actuated to raise and lower the tympan-frame, and hold it in position, substantially as set forth.

Witness our hands this 5th day of December, A. D. 1892.

FRANCIS MEISEL. HERBERT L. CIIAPIN.

In presence of- P. E. TESGHEMACHER, HENRY R. EDGECOMB.

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