US2006302A - Marking machine - Google Patents

Description

June 25, 1935. o mg 2,006,302

MARKING MACHINE Filed Nov. 28, 1933 2 Sheets-Sheet l A lnvenTor.

. Chofles FRobb'ms ATTys.

C. F. ROBBINS MARKING MACHINE June 25, 1935.

2 sheets sheet 2 Filed Nov. 28, 1935 lnvenToT. Chofles F Robbins byWWX f Patented June 25, 1935 v i v :Marker'n Machine Company, Keene, N. H., a

corporation ofNew Hampshire ApplicationNovember 28, 1933, Serial N0..700,063 v i i i Claims. (Cl;101+-348) I f This invention relates "to printing machines or application, Serial No., 674,551. The inking roll marking machines of that class in which the ink receives its ink from an inking plate I2 ojverf is applied to the type characters of the printing which it rolls during thelast part of its rearward head through the medium of an ink roll. stroke which occurs when the printingnhe'ad is I, '5 Int'heoperation of a printingmachine of this in its lowered or printing position, When the 5 type the continual rolling of the ink roll across printing head is raised the carriage I0 is moved the type characters for inking the latter is apt forwardly along the ways llito carry the inking to cause some portions of the surface of the roll underneath and'across the'type characters ink roll to become matted down or compressed thereby inking the latter. This m ovement'of the h thus giving the roll an uneven surface. carriage is secured through the medium of a 1'0 One of the objects of the present invention is suitable eccentric or cam. (n sh wn) o the topr'ovide novel means by which the used ink shaft 8, ,as illustrated in my said co-pending a'p-trolls for marking machines can be conditioned plicat on- The Shaft 3 iS d V drive and the surface thereof. brought back to substaning pulley l4 throughsuitabledriving connections l5 tially its originalcondition. I which include a clutch. i, e I In the drawingsz c, v "I g The inking rolls 9 which aroused in printing Fig; l is a side view of a marking machine machines of this type usually have a feltsurface having my improved-ink roll conditioner applied which absorbs ink as the roll is'rolledoverl the e eto; v e I a inking plate i2. After continued use the portions Fig.2 isa section 'on the lineiL-Z, Fig. 1; v of the felt surface of the ink roll which engage 20 Figfa is a top plan view of Fig.. 1 with a part the type'characters: for inking. the latterjfree broken out; e V I quenly gets matted down or compressed so that i Fig; 4 is a section onthe line 4.-4, Fig. 2; A when the ink roll isrolled over the inkinglplate v While the ink roll conditioner herein described l2 such matted-down or compressed portions a e i is applicable; for conditioning ink; rollsin various I101? p p y d, W th the result that the ink 25 markingmachines. yet for convenience I have W 0 function p p yq shown it as used in connection with" a marking The j o the presehtiinvehtioni t0 P 1 machine such as is illustrated inmy (Io-pending vide means for conditioning worn inkrolls so, as

H application, Serial No.'674,551, filed June 6, 1933, to br g them back again into a suitable condition pf which this application is a, division, for use. This conditioning operation isaccom- 30 The marking machine herein illustrated is plished by subjec the used fi 'k 1 formed with a" main frame I having th b to the action of ironingrolls which serve to level portion 2 which carries the usual WQrk-suppbrtup the surface of a worn. ink roll and also serve ing' plate 3'on'which the work to be int is to thoroughly distribute ink over the surface sup hlfted. The printing head is indicated genthereof. .The conditioning device is in the form erally 'at 4- and it is provided with a pluralit of an attachment secured to the printingmaof a djustable'type wheels 5 each carrying at its, Chine and Operated m h driving. P y l surface'aplurality'of type characters. The printor some other suitable v g part? f t av ing head is carriedby a swinging arm B pivoted chine: This conditifining attachment comprises 40 to the mainframe l and is movable toward'and a u g. 16 which i d, to 's de o t e v from the platen as usual in printingmachines of machine b suitable clamping bolts l1, sai b s this general type. i j 7 e extending through arms or lugs I8 with'which The verticalmovement of the printing head the h sing I6 is p V Mounted n he b01115,-

maybe provided for in various ways. As herein ing I6 is a posit v lyr v n r 9.

shownthe lever arm 6 has a toggle lever 1 conp f y having ametallic u a d a c 45 nected thereto and the rising and fallin moveoperating conditioning roll 20, between which ment of the printinghead 4 is accomplished by rolls the ink rolls 9 to be conditioned-may be the breaking andstra ightening toggle I, this placed. v e n I beingdon'e by means of a suitable'eccentric;car- The lower conditioning ro1l'l9is shown as fast & ried on the driving shaft 8. f on ashaft 2| journalled in bearings 22 with which The type characters are inked through th the housing I6 is provided and said'shaftjl has a operation or an inking roll 9 which is mounted pulley 23 thereon which is connectedjbyabelt 2 4 in 1 a; carriage III that slides back and "forth in h'a p lley 2 fast on a countershaft 25 t is ways! that are formed onthe arm a, this being iou 'nalled i bea i s mounted on h ih us e the construction illustrated in saidco-pending i6; Thecountershaft 26 has a P11 3 28 "there/0h rolls will rest on the positively-driven conditioning roll l9. v v

The housing 4 I6 is shown as provided with a cover or door 34 which is pivoted to the housing at 35 and which'may be swung upwardly about its pivot 35 to give access to the housing, said cover having the handle 36 for convenience in manipulating it. The upper conditioning roll2qis v t t I printing machines comprising a fixed supporting member, a conditioning roll rotatably mounted t ee n s wee r i s WW WPWWQE shown as rotatively mounted in the door or cover 34. For this purpose said door or coveris'form'ed with two, dfipending flanges 31 and the roll 20 is fproyided with aspin le or shaft 38 which isj .lled in 'theseflan es :1.

cans are provided for giving the roll 20 a rec roca vem nt e ect en o s lens li so tha u th en i in pe at n theink irolls will havea rolling contact with th e PQS1tiveIydriven i011 191 while the upper conditioning roll zq-wiilbe moved back and forth in the direction of the length qt the'ink rolls and produce a rubbing'and ironing effect. While jx' sir, able m nsfor g in the u p ing roli 20, its reciprocating movement may 1?? m lo ee $1mr me ns1s ere lus ted The shaft or'spindle'38 of'theupper r911 23 extm sbwwd the ut le' e 'fl e ove 34 an hasa grooved pulley thereon. The shaft 2 0 be ower dn it b i ne 9 1. t' as, as? were 0 "a dis 19 wh h u e? a an angle o t x sh ttsotha jas he h ota s-Sa d disk t ese gob ling-moti w the cover 34 closedthe upper edge of this disk'is received in the ie qqve i th p ey 3 9. and as shaft II, 'tetf d th Whee in me q i he. di 4? p tiuce sa reciprocating mptionof the shaft 38 in the direction of its len th'and also tends to rotate he Pu le 3.9. and he 1011 .9

"4!, indicates two centering springs which encircle ashaft or spindle on each side of. the roll 39, each spring being confinedbetween the new a u e ins fla 3 s he r ts i i fiq'qatd betw en he f ll n e d t line positions Fig. 2 by the wo b in motion of Iltwillbenoted that the upper conditioning roll Z is carried the'cover 1 84. When the cover is inclosed position with the uplir co'ndlti eins ell?! res i n he i rolls 9 he weightof the cover 32 on the upper conditioning roll n is received bythe ink rolls, and, therefore,

tore, serves notflonly as a conditioning device for conditioning the rolls but also as areceptacle for sp re ink r 1 it is possible also to use this device as means therolls, If, for instance, a small meaty 9 i iss d sitter 9 the ent disk 4Q the 'isprings 4! are alternately comditioning rolls the co-operation of said rolls with the inking roll will serve to distribute this ink thoroughly onto the inking roll.

The conditioning roll l9 has a rolling contact with the inking rolls 9 while the upper condi-v tioning roll has a rubbing contact with the ink rolls in the direction of their length and this combined action serves not only to smooth, out and conditionthe; ink rolls hut algogt? git'tribute the ink evenly over the surface of e n -rolls.

43 indicates a spring latch having a notch 44 adapted to engage a pin 45 on the cover when the latter is opened, said latch serving thus to hold the cover in its raised or open position. The latch 43 isact'ednon by a spring 46 which yieldingly holds it in engagement with the pin 45.

ink roll 'c nditioning attachment for o s bver in an i k. oll f, a mom: mm, ,v in aposition re ting on he condition roll} said means permitting; ady removal andrepl acee ment 01? the m1; r 11; iseeoqd e me ns sumi in thefsa;

, g t rest on, he, ink r.oll,. said,mean providing therein, saidsupporting member l having means for supporting an ink rollot aprinting machine in a Position e t n o thes ndltiqninsi e gQ1 m a e "may easel eed: meme merit 'of the ink roll, a member pivotallg con ,v l n th 1 m n mem er subheadimne' r 1 j e i qth b eed eseb edl s on t nk r011, andmeen tene s-enact the 3 conditioning rolls and to: i. reciprocate: the t other r011v in'thedirectign otfthe ie gtii; ink r011. p t

' v3. An ink-roll conditioning attachmen printing machines comprising a housing; a con ditioning roll' journalled thereiri, said housi ng havingmeans for supporting ink IIOILJQIQQ printing machine in aposition resting onthe conditioning roll and l ermittingfsaid,ink rqllto b m ed flqr e lete1 an: ernivqted t0 ha ns a second qn mn 01 iQW- nalled in the/cover and, adapted, to rest the ink roll; means for positively rotating none 01- the conditioning rolls, and means ifor reciprocating the o he k beqi p ns .roll nt hee t on. of the length of theink roli. w

4. An ink 1 roll conditioningttaehtnent ion: printing machines comprising a "ed sun ortin member, a conditioning roll rptetably mounted therein, said suppo tin membe -hav means x for supportin an k o o spr ntin machine in a p o r t n n t e. c ndi qmnsmll said me pe mi i rea y emW lendmnmcement 9f th i k aj e n pnd iv i smllemeans supporting the same in positiqntorest on, the ink, roll, said means providing ior separatipn otthe second conditioning roll from the ink roll: topere mit the latter to be removed from the supporting member or to be replaced therein, ,means t 'i'Q- tate thefirs tne ed enditiomne r911, and-means tor w actuated thereby to reciprocate the other conditioning roll in the direction of the length of the ink r011. i

5. An ink r011 conditioning attachment for printing machines comprising a housing, a conditioning roll journalled therein, said housing having means for supporting an ink roll of a printing machine in a position resting on the conditioning roll and permitting said ink roll to be removed or replaced, a cover member pivoted to the housing, a second conditioning roll journailed in the cover and adapted to hasten the ink'roll, means to rotate the first-named conditioning roll, and means actuated thereby to reciprocate the other conditioning roll in the direction of the length of the ink roll. 7

CHARLES F. ROBBINS.

Images