US1006313A - Offset mechanism for printing-presses. - Google Patents

Description

G. J. SUCH. OFFSET MBOHANISM FOR PRINTING/PRESSES.

APPLIoATIoH FILED JUNBQ, 1911.

Patented OG). 17, 1911.

2 SHEETS-SHEET 1.

Illllllll ww m WNQ m NN e 1| illll "Mib" G. J. SUCH.

OFFSET MBGHANISM Po PRINTING PRESSES.

APPLICATION FILED JUNE9,1911. l

1,006;31 3. Patented oct. 17, 1911.

2 SHEETS-SHEET 2.

' il? inferi@ 'e f @page ASWQC :gg l? Z a LINoI's.'

Y" lipplleatioxi lcd June 9,

all lw um i leofiie'crii:I

lle .itfhnouiitliatfLjGnoneii J; SUcii', a

,citizen4 of the United States, and resident etCliicag,o, county` of Cook, and State o1 "lllinoifh'lhave invented certain new and use' tul ,linxirorenientls',in Oll'et'. Mechanism for vPrintin"lrefises,' of ywhich the'l'ollowinl; 1S

'n .specitieiitiiin, land whit-h are. illustratei in the'heroinpiii'iyiug drawings, forming a part tlireijii'it'.,

"` invention relates to printing presses, for shiftingl the taine-t, arial 'For eoverin,r the tht: pre-sri whereby a clean l rmi-tl from time ta time "futili riait?.

.i iiezztiur. in to priiride `.ai prv.--il cnuriiruetion `\;1'.ii`tl.

.mpliti-:d in the istituti ila-tl :intl -il-lltiithe. tympan or. iuiprehjsiou cylinder; Fig.- 2

'h hows .'.v'tdiiigi'am the 'torni of a cuin groove '.I. l"i; '.'i ia'n :sectional View taken through the ltympan cylinder illustrated in Figs. 1 and 3.

printing press nro shown in 4tha ilra'wingsat t` and-11. -One of the'tyiapan cylinders of the tpl-ess is'geiioi'alljl' designated hy the nu-` ia'eriill2.,v' '.t:his cylinderl iii'pinounted upon l and turnaI lwith ajsliaft A14, which extends` ievfiijnllsioff. t iettynipaireylinder` andV ttt, respectively,"'and, n. pair. 'of impres-vlargement connect the fend;franiesvllnnd 10.-il Eachfof the.inip reasipniinenibcrs l17 and18.iiieurved A injciossection,torsabstantially.thej'form'of y sficnimii aimera-raient." r-' Pntiteilbct. 17, 1911;

19:1'1," sriai'no: 632,301.. y

.'"irfheetsof 'paperbetweenlhe members 1T,

18. li'efe'riib y the end fraaie -15 is ofrslteletouk leon'sit'rue-tion, whereby roll'sofpaper, as 21, 2?.-'23 'and24. may be. introducedor ren'ioved from the interior ofthe cylinder 12 The end frame-1G preferably takes the forni of alsuhstantally solid plate having ii hub .55 for receiving the shaft 14. The hub .25 is scoured to the shnft`14 bv e key 26. Pref erably the-end frame 1G has nii-,outwardly facing marginal flange 27. The usual gear surfaceQtl are 'foi-ined upon the exterior of the marginal .tlauge .ZT of the end frame 1G. lhe top sheets, as vand 31,l usedv for cmering the tympan snrfaces 17 and 18, re-

speitively, ol' the cylinder 1Q are euch snp-1 plied from one of the rolls, as ill, 22,1hereinat'ter referred to asthe oupply r01ls..-'l`hese sheets extend' in continuous stripiioreiffthe corresponding tympan surface 17, 1,8, 'and are' u'oundupon the rolls Qland 24, respeetively. *The rollsi and 2+ are hereinafter .designated the'iiinding rolls. 4

In'carrying out the invention improved means-are provided for'intermittently tnrn` ing the` rolls and'f24'tof-"wind-the top sheets 80 and 81 thereon. ','Inf'order that the `lsheets may lie-delivered-by the rolls '21 and 12, res cctively, wlien'the rolls 23 and 24 are 'i-otatec, each ofthe`rolls=21and22 is rotatalily niouiite'd,'-ns bv being applied' to the -end 'franieyland extendingthrough the sinne. In -o'rder 'thatfthe,spni'dlcstl shall turn witlnthe. corres ending-Supplyroll, as 21,' Q.,1tlie,v inner en( liftlie spindle is aquaredrnndzcnteri-i a squared-socket 32 in the end ofthe'roll. frictionjdisk 83 is applied vtothev outer cnd'- of each voi? the 'i-ipindlreis'-jlnnd n. .movable `brake shoe 84 vco- 'operntes with Ithe'.y periphexyfof the` disle to holditherolls, as .21,v 22,2111 ninstfmorement when papelifis not beingl raiyni therefrom. Forturningeaeh of the-rolls 23, 24,10- 4 windtliei corres ondnitop'.'sheet` ns 30, 31, thereomeach o7 these rolls is applied to the ASquared inner. end 3550i n spinti e 35, which sgindlesfhnre.nlsoijournaled in and extend t rough the. end framejl, 1 A` gearwheel' is mounted u ion'the outer end of each of the. I,s iindles'.' or-,tnrningthe same. Each of t e nr wheels Btl has n.` set of spurred gear fteet i- 37 formed'on'its periphery, and a set '2S for turning` the'eylinder 12 and bearing .innercnd of a 'spindle 82 'ionrnaled in the through the openings, as'l, of the frame.

oper'ates'iivithA 'thef'frietion"` disk 33 on the spindle. 32 of 'the' corresponding 'supply roll 21, 22.1,.10 '.thisendjtnieshes withl anworm trheeltwhiehfturns'af'cam vfdisk 44. y'As shown, thejwormffwheel fl'yand cam' disk 44 are formed integral 'a'ndtheg are rotatably.-` niounted u on'a stud4h wliie projects from roller '40 in en agement'. with the periphery io eainldis 44j. "'1`lie'periphery of the disk-44 is so formed-as to provide a pro- .i "Retinal-52,'.adapted to coperate gwith the eaiir'roller 4 9 for holding the brake shoe :S4 tightly-against the-periphery of the frictioii disk 33. It'also has a portion 53 which, when engaged Awithth'e caiu roller 49, holds the brake shoe' 3-1 lightly against tlie'peiiph ey of 4the friction. "isi: 33. A reduced por-` tion Ma'rf the ieui disk 44, when enga yed withthe roller-"46,glierinits the brake sioe 34. to.bedrawnjoittiof contact'with'; the pe- 66 theya're/li'eldagainst li'iugitudinal .nioveuieiit z ripheryof tliofrictin, disk 33 by the spring l- A gearpii'iiom as'ifif 50, ineshes'with thel spur fear teeth 3T of ea'eh of the gear wheels m36??? Cach of thesejgear piuons is moiuitedl as being-ri itllyjweured to the marginal tlaiigorfd o tlie.entl fraaie 16; as`by bolts ut, `and'. they lextend .inwardly therefriuu to |n-otitle'bearings for tite eoi'res'poudiiigshaft 5T, 5S, iuteruiediatetsends. [lio` shafts 5i' and .Sljare preferably lof unequal :,leugtln luci has adpiuionv; as62, 68, mounted upou ts'oiteren 1 A sleevaM-extends over the? shaft-.144 between' the end lframe ltlof'the cylinder' 12. andtheadjacent side `frame member, as 1 1.; of thepri'utingpress. Tivojgears';v as .G5 and 66,}are2=loosely mounted lupon lthe v.sleeve adjacentits inner end. 'i (')ne'ofthe,(gears65,i fl'flmeshes'with4 each of.4 the'pinions 62.63.

Fo rmaiutaningth'eljgears..65,- 66,` inal ne# mentwiththe corresponding'piiiiiins 62, 63,.

on the sleeve 64; asby means of apz'iii' of yoltes G7 n iid 68, eae'h of which runs in a groove 69 .:foirined Iinthe'hub ofvone of the gears. The ,yokeb.s'seeured-tothe face 'of the end 'fratrie-'16er' *thel cylinderflQ, and the yoke (3S securedfto-t'he outer face of the gear'65.-

f *In'the norii'iz'ilibperatouofthe printing press the'gears G5 and 66 'turn in the. sau; direction and at. a uniform speed with the 'cylinderlvh When it. is desired to turn'the 4windingri'ills 23,A 2'4 for shift-.insg .the top ' Sheets 30 and 31 on tite surface of the tym- 'paircylinder 1Q, the gears 65, 66, are rotated v` relatii.'ely to the eylinderll, preferably by turningthern inthe reverse direction', thereby rotating the pinions 62 and G3 to drive the spindles 35 of the' winding rolls. The sleeve 64 is preferably continuously `rotated on the shaft 14 in the i'eversetliieation front 'that at. which the shaft tiir1is,'biit preferably at. the sante speed. Asshown, a gear 70 is mounted upon the end of the shaft t4 adjacent to hut' upon the outside ot' the sid". framo'member 11 of theprinting press, ara a gear 7l is formed upon the end of the sleeve 64 adjacent. to' but upon the inside of the frame member 11. A countersliaft, 72, joiirnaled in and extending through the' frame .member 11, has gears 73 and T4 mounted upon its opposite ends. 'lhe gear '73 meshes with the gear 70 mounted ou the shaft 14. The gear 74 meshes with nu idler 7l foriiied on the sleeve 64. I A pair'of elutchurins 76 and 7T are slidin'gly mounted in the sleeve (it. One of these gears 65, 66, to cause said' gear to rotate with the sleeve 64 to drive tho'eorrespoiiding pitiion 62 or 63. As shown, tho clutch itiiiis 76 and 77 are mounted in'longitudinal.'slide- 'ways .78 formed in'the sleeve G4. iaeli leluteh arm has outwardly projet-.ting,I lugs 79 andl 80 formed upon its opposite. ends. Euch of these clutch arms is urged inwardly by a spring 81, housed within .the` correl s Jondiug iilidewa T8 und reacting between tite outer e'nd o the corresl'ioiuliuir clutch of 'the 'correspondingcluteh arm 76, i77,

therebv causing-y the, tzears. and.66- to turn with theslee've 64. Normallyyhowever, the aclutch arms'76 and' .77am retracted against' 88 and ih'tch 84. herum-'block 83'l's'g'of an-- ,nular' form, and surrounds the sleeve 64 a'd' lock is hel in fixed positionbybrackets 85 and 86 secured to the inner face of the 'frame .surface of fthe eem bilick 83 is provided with arin andthe end ofthe slrleway. The huh A ofv each of the gear's tirtltlyisfrecessed, as': n indicated at 82,' for r'eeeivi'ng the outwardlyprojeetin'glug 79 ,formed upon'the inner end v when" thoj cluteli-urms are moved" inwardly,l

'75. This idler in turn meshes with the gear 9 clutch arms copeiates with each of the -iiieniber .1,1 of t'ihe'pr'inting press. The'inner t preferiibly extendsf half, the ditunee nbout I mounted vstub shuft.

,8151110 lPmi the'innerlsurfiiee of the ouin block. One end groove titi.:` The otherend'portion of the c'nni` und titi turn with the elec-ive (34 to s iift. the

top sheets' 30 und 31 on the tympan siirfaces und 1.8 of the cylinder 12. As shown, the tutt-li 84 is pivotally attached to the framel member ll of the press at 01. A link 92 is pivotully connected to the hitch 84 ut 93, nud extends downwardl therefrom nt onev side of the sleeve 64.' T ie lower end of the' liult i12 in` biurcated, us indicuted util/t, und struddles'the hub 95 of a cnin U6. A cum' roller; 9T is mounted upon one sido of the linlc 92 nfl'incent its lower end, und co ernten with the cuni 96 for raising the' lin t at intervals.' Preferably .the 'cuni-"96 hns n worin wheel 9 8 formed integt'nl therewith, und both are vmounted n ion n transversely lhis stub shaft 1H, eoni'enieiitj-ly `curt'ied by a bracket 100, heldngein'nt the'inside' fnce of the t'rnme 1110i the prees.' u Iiiorderfitluit the size of the yworin wlieel'tJSvund tlio'fontigurution of the cuni Siti may be,vurierh'the.briielcet 100 -is ad'nst nblylieldf'iii'jposition,'usby menne of olte 10i` which poss through slotted openings` 102 in the bracket; A Worin geur 103', tiirned'by theinterniediute' geni" or idler 75,-is employed y forturninp,"the'worni` wheel 98 uiideum 9G.

iiie formed integrul" undthey aref mounted' upon In 'stub iilinft 104 which projects inwurdly 4from the frame 11'.

`the s`teh`g84 is raised, the clntch'iirms 76 'n nd l"thelopeningjfth), Awhich;connects.,the/eem 'Gti'will thus be caused to ltnrnvwitli'thc sleeve -whic'flrtlie cylinder4 12t.urns, thereby drivngg` the pi'iiions und 6B, respectively, and turning .thcj spindles I upon which the winding rolls` 23 nnd'24`u're moniited. ',It

.sion is being-'ntilde 4 snrtuce, us 17, 1S, of thecylinder. W ien -puper will bo druwlirfrom tho eorrespondini: ,supply roll 21 or 22, sueliroll tziii'nin with some diiiioulty ut hint becuuse of tie ent'iondisk 33. \\"lien" t.he .winding roll 23 or 24. has been tnrnetl through u short distnnce,

the cuni roller 4l', whereby/"the broke shoe :Bilwlill be'rcleused from' the friction disk 32 by the nction of the s )ring 50; When this oeeurfilthe supply roll 21, or 22 will turn freely, delivering eleiin p'nper for the top sheet 3U u'r 131, us fast as the soiled portion of the' sheet. i'swonnd u on tlio'roll 23 or 2i.

rent,-the turning of the corresponding supply ift with the ouin roller/L9, whereby-'the brulte :shoe li'is'pressed tightly nguinstthe friction disk' 33." A" furtlie'rturning of the winding roll up 23, 2li, will thereby stretch the top -iiheet, ne 30, lll, ti litly over the -tympun surf uce','iis 17, 18.`. lefore the sliiftin v of the top sheet-hns been entirely complete the enlurged portion b2 of tlielcnin 44 will have 'junsed the com roller 4i), whereby.the frie` tionjdisk 33 will be lield-ugiiinst turning by 'fthe 'hrnlce shoe 34 vwith suilicient' force'to -prev'ent'nccident'ul turning' of the 'correffperm'ittingt ie turning o f these rolls when ltliejwindin'g roll, es 23,. 24 next' begins to revolve:, i "f- Pije'fernbl the o enings',='ii`s 13, in the end freine 15o 4the ey inder'12 e're'cove'r'ed by plntes,'as 106 which provide beni-ings for the ends o'f the rolls ns 21,'22, 23, 24. As Shown,

,frni'iie member 15 by screwliolts 107,`.whe`reby they muy be .removed A.for the'insertion 24'` may be turned by hund, if desired, as

eueli of the rolls l,"2-t,'iirst begins to turn,-

lleforo the winding i'o l us 23, 24', eonies to sponding'supply roll, 21or 22, while still' v'these plates nre detaclinbly heldugninst the' "'-thel'eylindler y12 liu-s tilrnedfthrough hnlf a revolution, by the engugement'. of the lugdO 'l `ourried thereby, witht'heinclined' portion 87of the c'um groove 89;' -'.[`li'e `genrs A(i5 und ,....70 (i4-'inthe reverse direction from thut in' vwill be seen that the turninf,r of the gears 5" and 4titi'respoctilvely, takes )hice during-sueeessive;hulffrevolntione o theeylinder 12 whereby "eu'eli ofthe topy sheets :i0 und 31 muy beshif'ted wit-bont interfering withtlie' operation of the press and while un inipresA against the other tympan gugeinent ofthe brake shoe-l't with the fric however tlieeorresioiidin eiini'ltl will hnve" been turned -fur 4enouJgli to bring `the depressed 4portion '.54 of the ouin in iront'of.

roll ani 2l., 22, will be' iii-rested by the engugel "ment of the Ienlurged portion 52 ofthe cuni y vpinifons 162,"I and f 6?; are held against rotation" 1n -.one{direction; as? b "la ratchet `and lpawl mechanisnig109` pplie 'to each of the s iafts;

57 and`58 4 :I claim as'my invention-"f1I j.

1'.- [In af printing press, in, combination, asbaft,f`a` tympanfey ind'er turningi'iwith theshaftfa-jtop, sheet' Qwindingf'roll carried-' by the cylinder,""af-` sleeve loose j-on- `the shaft, a1

gear j normally loose Vonjfthe sleevel driving connection between the. gearand the wind.-` ing roll,1and}clutch connection betweenlthe;l gear and sleeve. l :f 1 2. In' a'piinting press, in combination, a shaft, atyinp'an `ey inder turning with the shaft, ajtop'jsheet'winding 'roll-carried by 'the' cylinder, a" 'sleeve .looseon the fsbaft, 'a'

gear normally loose on the sleeve driving connection'fbetweenthegear and the wind-l ing rol1,icluteh connection between the gear and sleeve,v andmeans `forjre'versely driving .-3. Ina-printing press, in combination, a' rotatable' s 1x1-ft, a tympan cylinder turning with the shaft, a' topsheet-winding roll carried by the cylinder, a gear and sleeve loose on the `shaft,"`gear` connection between thel shaft and` sleeve whereby the shaft 'and sleeve are o'ppositely rotated, eluthconnectionv between Athe lsleeve and gear, andV gear eonmiction'v between ltbe first-mentioned gear` und the winding rollp- 4. Incombinationwith a tympan surface, a top sheet winding Vroll and atop sheet'supply roll, av braheengageable with' the supplyroll, a camjfor movingthe brake, means for intermittentlyturning the winding rol1,and gear connection" between ythe winding roll und cam. f

In a 1printingpresa, in combination, a elet-ve, ais raft turning in Ithe sleeve, atymf pan cylinder.'-mounted.' on "the shaft 4,and turninff -tliere\ vith,ja top 'sheet winding roll earrietf by the cylinder, a ear' loose '-.on the sleeve, drivingconnectionI etween the.: gearI and windin roll.' aspring-advanced clutch ai'ni"'c'arric( ,by the 's eeve-for-engaging'thef. gear-,ai retractingQcam and latch actin lon lprintinglpress, Ain rcombination, 'a, sb aft--,tiii'iiing'en'- the sleeve, a tymtur1iiiig`lther'ewith,'a 'pair fof top' sheet-windl intermittently turning t --ing rollscarried by the cylinder, a pair of gears-looseon the sleevefdriving connection fge'ars, 'ayoke 4carried byfthe last-mentio'ned `gear. Ian engaging; the-'l hub of the Aother .gcar,;a pair ofjclutchgarms: carried bythe ..sleeve, ione being engageablefwith each of the gears', undone of said-clutch 'arms being extended through4 the' sleeve beyond one of 1.7; In combinationwith `i'iqtyrnpan surface,

'aL-top shet'winding roll'and a top sheet snperation -of such holding` meansz meansl for A ewindlng roll and geur "connection between the winding roll andram..I 8. In a printing press,- i-n combination, a rotatable shaft, atympan cylinder turning with the shaft, a. pair of'top sheet winding rolls carried bv the cylinder, a pair of gears loose-on the's iaft, a sleeve mounted on the shaft and extending through one ofi-:the ears, operative connection' between cach' of t e fears and one of the winding rolls,4

clube '""connection between 'the sleeve and each of. the gears, andgeniconnection between the shaft and.v sleeve.

- 9. In a rmtmg press, 1n' comb1nat-1on,.a

"rotatable" s iaft, a tympan "cylinderturning ,with the shaft?, alpair offtopsheet winding vrolls carriedbvthe eylindeigfii-pair of gears 'loose on the shaft, a sleeveflnounted onl the shaft' and extending through' one of the` gears,ope rative connection between' each of the gears :and 'one ofthe winding rolls, a

- air of spring advanced lclutch arms carried y the sleeve, one ythereof being engageable with each of'thegears, ya latch for holding the "clutch arms in retracted position,-a cain lfor releasing the latehlganfdlge'ar connection 'betweenthe shaft andl cani,l

10. In a )rim-ing press, in combination, a

"rotatable's mit, a tympan cylinder turning ,with the shaft', a' pair'oftop' sheet winding l'ollscarriedby the cylinder,`n pair of gears loose ont-he s raft., a sleeve mounted on the -sliaft and extending through one 'of the ears, voperative lConnection between each, of

f t 1e" gearsandone ofthe 4winding rolls, and z clutch lconnection ybetween, the sleeve and In a printingpress,.tn.iioinbination, a rotatablefshaftya*tympanleylinder turning .witlrthe shaft,"` a. vpair of top sheet, winding rolls carried-bythe cylinder, 'a pair of gears loose on theshuft, a sleeve mounted on the lshatt aud -extending through one of the gears,l operative 'connection between each of the gearsv and 'one-'of the winding rolls. a

pairl of spring advanced clutch arms carried ply, roll, means"forholding` the supply' roll against rotation, ,a cam controlling -thei -oplli') by the sleeve, one thereof being engageable with each of thegears,a latch for holding the clutch arms in retracted position, a cam for releasin the latch, gear connection between the s'mft and cam and gear connection between the shaft and sleeve.

12. In a printing press, in combination a tympan cylinder, a winding roll carried by tie evlin er, a gear loosely mounted on the spim le of the cylinder, operativeeonneetion between the gear and winding roll a clutch arm engageahle with the gear or holding it against rotation with the cvlinder, a cam controlling the operation of the clutch arm and gear connection between the cylinder and cam.

13. In a printing press, in combination, a tym )an cy inder, a plurality of top sheet win( ing rolls carried by the cylinder, a plurality of independently revoluble gears eoaxially mounted with the cylinder, operative connection between eac i of the gears and one of the said winding rolls, and means intermittently actin on each of the said ears for causing re ative rotation between t 1e gear upon which it acts and the cylinder. 14. In a rinting press, in combination, a tympan cy inder, a pair of to sheet windrollscarried by the cylin er, a pair of GEORGE J. SUCH.

Witnesses:

Cinmnns B. GxLLsoN, E. M. Kaa'rcnnn.

Sti

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