US1792149A - Printing machine - Google Patents

Description

FeB. 10, 1931.

J. S. ZUNCAN ET AL PRINTING MACHINE Filed Aug. 12, 1927 9 Sheets-Shec 1 PRINTING MACHINE 9 Sheets-Sheet 2 Filed Aug. 12, 1927 9 Sheets-Sheet, 5

' fizz/6721571? J LOW 4, 2

Feb. 10, 1931. J. 5, DUNCAN ET AL PRINTING MACHINE Filed Aug. 12, 1927 J Am:

Feb. 10, 1931. J. s. DUNCAN ET AL PRINTING MACHINE File-:1 Aug. 12, 192'? 9 Sheets-Sheet 4 Feb. 10,1931. J. s. DUNCAN ET AL PRINTING MACHINE 9 Sheets-Sheet 5 Filed Aug. 12, 1927 Feb. 10, 1931. J. 5. DUNCAN ET AL PRINTING MACHINE Filed Aug. 12, '192'! 9 Sheets-Sheet 6 Feb. 10, 1931. .1. s. DUNCAN ET AL I PRINTING MACHINE Filed Aug. 12, 1927 9 Sheets-Sheet 7 J. S. DUNCAh ET AL PRINTING MACHINE Filed Aug. 12, 1927 1 L w mananan Feb. 10, 1931.

Feb. 10, 1931. J. 5. DUNCAN ET AL PRINTING MACHINE Filed Aug. '12, 1927 9 Sheets-Sheet 9 30 a. selected embodiment of the inVention'ohosen A Ygea-r 11 mounted on the i I V 2 plgnyietih.

' i -3 of Fig. 2; Y' f .Qnithe line 441. ofFig. 2.

Patented Feb. 10,1931

JOSEPH s. 1)U1\TGA1\TY AND HENRY E. nmseennon cmareo'gitsmais; AssIsnons; BY Y MESNE AssI NMnnrs-To ADDRESSOGBIgIH- GOMPANYQIYOE CHICAGQ ILLINOIS, A

CORPORATION or DELAW iRE' Y a 2 pnmrmq Mi onifin 7 A pp 1 ioation filed-Aug11st 12Q- 1 827. SerielNo. 312,434. h This invention relates to mac'hines r 1 and shows theparts in operetingposiprinting addresses or other matter-on maget-lOIl, ustbeiore'; feeding the "artlc'leto be p Y zlnes, and its'objeot'isbroadly to provide e printed. V p Y I v I Q Y Y novel automatic machine for feeding series 7 Fig. 9 1s a. s1deelevat1onof the plate safety i 6 of printing devices beari 'rg' address forms which isoperat'e'dby the artioletobeprinted. 55 1 Y successively" to printing" position, and for Fig. 10 is eplanvieyvjofthe' devioeshown. v i V 'feedingthe' magazines successivelyito print 1 in Fig. :j. s] l 7 ing position, and for printing 'an'individua-l Fig. 11 is a front-elevationthereofl j address upon each magazine Fig. 12 isa detail .planfview, partly in see- '-10 I 7 Another objeetof the in'ventionis to feed tion o'f the feed operating mechanism on an i individual'printingdevices to printing posienlarged ,s'oa le a V k V .tion end/co automatically select certain prede- I Referring to fth'e drawings 1:.designates a j termined printing deyicesto be printed and suitable fra-Kne .uponwhioh the drive shaft 2 to skip other printing deviceswhioh arenot; is mounted. "Aifiyiwheel. 3 isarra'nged in one 5 to be printed; end'of the sh'aftand-is'drivenhy any suitable.

And a further object :of the" invention is to means suclras an electric motori(n ot shown); Y

provide automatic means operated bye print A: suittihlehandle 'e-mhyhe arranged on the ing device Whichis to be skipped to interrupt fly wheel-tor operating 'theinechine by hand the m'agazin'e feed so that when the-printing When-desired, I Y I 0 device passes by the 'arinting position, no l :A o0llar'5 'Whioh rot-zttes yvith the shztftis Y magazine Willbe fed'to printing position. rigidly mounted on the shaft 2; adjacent the A still further object is to provide imfly Wheel. A-pzt'wl '6 isinonnted'on-the collar proved. means toioperate on the printing deand arranged adjacent the fly Wheel andjis V Vice feed for causing the p r'i'nting device se adapted'to engage a slot7in the s'haft 2; The Y lected for printing to remain in. printing popawl 6 operates Within the arm-8 whichforces sitionwhen the magazine'feed has skipped. it into oroutof theslot. A; spring '9 Works Theiniention has other objects in View in on 'the pawl to normally 'hOlClfIll? inwardly.- v oidenta'l to these primary objects which will "This. mechanism forms aclutch 10 which is appear hereafter in the detaildesoriptionof "olear lyshoWn in Fig. 4?. Y

forillnstr'ationin the acconipanying 1mw'-- nieshes with a gearfl2l onthe camshaft, 13 Y 1 lgS,rQferl1ng to which C l I driVingJshaitQ Y which, operates the mechanism for 'teeding f Fi 1 is a front elevation oi the niirchine.v the ma azines one titre time into" the i Fig; '1 is an enlarged 'fragmentarydetail chine. .frhe cam shaft13. QXt'en'ds transverse- Y me r isinountedinsuitable j ournelslt" nd 15in 1 F g;j3'is'a sectional-View taken ontheline' thetfeed mechanism casing 16. i i

Q I 1 ,1 j i he' cam shaft=;13 has: '2t main geargl? f. Fig. etis alongitiiidin'alsectional viewtaken mounted :onthe frontend thereof and this l'yi'ew ofjthe"oliiteliineoh ".'IQ-of thejbeIt.eonveyor throughthe gid lers 20 fanism onthe maindrive-sha-ft, and 20?,- Figtlyf which are jou'rnaled inthe '1 7' 1 P i v or 5: Fig. 8 isga dettiil'seotionalmew-similar to 2 6itand are-free" to rotetefwith, the shaft 9 1 r Fig. 5i-isasectionzilyiew t'alren ontheiline' side of-the casing 16. ;A n idler 21 jn ieshes J ofFigy2. q withigtliegear-17 and-operatesthe gear 22' o on theline 6+6 of FigQ: i i I Fig;'12:.T1Theddler" 21 -1is n ounte'df on the 7 is a detziil sectional View of the feedstud shaft 23"and is efwide gear'which meshes V i f 54 jF6'isa.longitndinztlseetional'yieyytaken Whiohfiismountedon-thepulleyshaft/26, 5; I

ly across'themaehine at one end thereof and 3 mg meohanisin and showsthepartsin nonnal lwithiboth gears17 and 22. fPulleys 27 are i speCeCPa sUitabIe distance apart on the shaft- Y V Rollers73 over which Continuous belts 7 1 gpass are mounted on these shafts. The belt re ceivesits momentum from the belt. roller are loosely mounted.

shaft 19. The r'ollers73 on'theshaftll) are fixed thereto and are rotatable therewith, while the rollers 7 3 on the remaining shafts the necessaryfriction, or carrying power, to

'earry themagazine to printingposition and,

after the magazine is printed,- earries.it beyond the machine to a suitable tableor recep- -taole (not shown): A belt'tightener 7 5 may ''be'providedtoftakeup slack in the belts.

:This 'beltitightener; is r A longitudinal-cam shaft 76 ismounted' on convenient position" but in this case is shown as being arranged on the-shaft 72,- Fig. 1;

the rearward side of the frame and receives its motion from the drive shaft 2 through the,

7 and .7 8 mounted on the drive shaft 2 and :cam shaft" 7 6 respectively, Figs.

bevel gears-7 .2 and5. This camshaft extends through'a I casing 7 9 Whichis connected to the frame and is supported thereby. A pair of cams and 81 Figs. 3 andj5," are mounted onthis cam' shaft and operat' the platen82and itsconnesting parts; platen arm 83 g I I a the machine,ias more fullyjdisc'losed in Let? the machine and holding astack of printing devices 86 which i This platen is: carried by a mounted at 84in the frame of ters Patent No. 1,481,860, patented January 'A'magazine85 is arranged on the rearof near the center thereof for are fed one at a time by intermittently oper- *ated ifeed-chains 87 from the bottom I of the "stack through selecting position 88to' print I ing position:89,jF ig's. 2 and 3.

plurality of projecting The feed chains 87 are arranged in .paral lel relation travelingzon sheavesf'90, and driven 'by'sprockets'91, Figs, 3 and 9. The sprockets are liked to a} shaft 92 mounted inthe frame 'of'the machiney One of the sprockets, Fig. 9, 'is pro vided with a pins 93.1;A pawl-9 1 'carried byan arm 95 isfarr'anged to engage these pins successively to turn tlie'sprockets 1 vandactuatethe chains intermittently f The *ar1n95 ispartfofa rocker 96 which is actu ated throu ghsuitable col inecti'ons 97 by cams at 101'inithe frame of themacli'ine,

A .lever' 96 is attached to the. lower; end 7 .of the rocker 9,6 and operates thedriv'e pack-1 erro'cker 102, Fig. 1, which reciprocates back and forth apredetermined isas rsack V the printing devicesin a drawer} after they v are fed through the'machine; .Tniapaek r "is so timed and constructed thatas'soonas i "'passing throughthe machine,

printing device falls} in the drawer, i'aftei end of g .8 ceedlng devices.

;The belts/74 provide;

to work all "thecooperating lectori nlechani'smg This selector mechanismis now well knownin-the I l disclosed infPatent No. 1,503,822, dated Augmay be sitnated in any;

. suitably on the camshaft 76, Figs. 3' and 5'; The connection 97 includes-an arm 98' a 1 "connectedby "a link 99 with one arm'lOO of' i a bell crank lever whichis pivotallymounted V V ma'c me- Y thepacker will urge thatffdevice,andtheprecedmg device's,

rearwardly toprovide spacein 'thei front I I known-in the art An arm 103, Fig.6, secured the drawer? to accommodate thes fl I QThis construction iswell andfurtherreferencethere a need notbbe made, .1, m

d the rocker I 96: and exten dingnpwardly th ere'from 'con the selector. pin bar 104, an d dun mg the rec procating motion of the rocker 06, move s'the selector bar pin up and down an. and'is fully ust5, f1924. "Reference is also made to Patent No. 1,082,505, dated December H30, 1913,

andNo. 1,209,41 1, dated'DeceInber,1916.

parts of-the so} 7 '7 b'ar pivotally mounted on theirame carries an upwardly disposed arm 105which V has a cam rollerl06 mounted thereomFigs.

1,-; 2. "The roller is' adapted ;;to ride, on acam 107awhich isfixed to th'e' drivingshaft 2.

end thereof fastened I A springv 105. has one tothe bar 105 and the other end to the frame to keepfthe'roller'l06'againstthecam 107 at f i The front; end 01:v the bar 105 is all times.

providedFwith a clutch 1nen1b'e r'108 which is adapted to engage with a'clutch member on a rod. which communicates with the clutch 10 on the fiy wheel 3. When; theo clutch members are engagedas shownin Fig; 7 v 4, the machine is in operating position;-but-,

whennot engaged thev pawl-6 is not in engagement with the flywheel andftherefore the machine willlnot operate. Whenthe'cani roller' 106 'hits the lowspotpf the' cam'l07 v I it throws" the bar. 105 outward andunovesthe clutch "member s'l08 and "109;,,Fig.=1',1a'nd Fig. 1 out of ieng'agementfthereby shift J- ing therod 110 and disengaging the clutch: 10. jThearni 8 causesthe pawl 6 to',become from'the slot 7 in'the driveshaft" 2, Figg-4- -A, thereby ceasing operation of themachine by leavingthe drive shaftQ idle; 1 However, this condition isIonlydesira-ble v disen -ag-ed when thereare no. printing 'deviice's to be fed,

devices are being fed; A 'rod lllfconnects the bar'105'toa pivoted finger. 112, Figs. :2

cam roller 106. front strilliethe' low spot 'of:--the 'oa'mg'and'i disen age so the tollowingmeans'are' provided to keep the clutches in engagement, when printing 7 the clutch;members 108;and;.109 "andthrtw ju'tlthefelutchi10f to operatio'n of the r r oiprop'erly the" itiis neces sary 'that' the articleremain'istationary dur- .ing the printing operation and this is accomplislied by providing stops 113 and 114 to hold the article from moving along with the :beltduring'the printing operation. The

stop 11 1 is to keep the magazine to be'print ed stationary, p and tliestop 113 is to prevent:-the succeeding magazine from being fed ongtopofifor against and it is provided with arms 119 to support:

rollers 120 which bear down slightly onthe lnagazineand the -belts. A11 arm 121is securedfto the end of the bar 116 and carries roller 12% loosely 1 ofthe cams the steps are mounted thereomFigs 1j and 6. These rolli ers are adapted to ride oncams iaasecured to a longitudinal .s ha ft 124c which is driven by, shaft 19through gears 125 and 126,- Flg.

6 when the rollers 122 ride on the low portion of the cams the stops 113 and 114 are forced.

downward by their own weight'due to the eccentric manner in which theyare-asseinbled.

"Whenthe rolle rs 122 are .on the high portion th down position shownin Figs.

tops e in 41 and Gthe magazine 1s halted temporarily 'Whenthe stops while it is being printed.

in up: position the magazine is carried onward by the belts 74. v V

The selector meansrof this machine operates as more particularly set iorth'in the'lpatents hereinbefore referred to to; select some printfree to be 'ing devices to be (printed or not to beprinted,

' as the case may which raise and. lower printing positionso be, and pi ovision is made in this invention toriskipping the feed of an article to be printed such as amagazine vwhen- 7 ever a printing position and whenever afipr ntlng device is device s not f ed to printing selected to be skipped so'that a magazine will neverpass through the machine-without V r p e 5 is supp le nentt'he s'pi1ng11 28L V j, V v

being printedf;

. The printing devices are ied o'ne time i to printing position and it is a lso n portant' that a printing device tobQ printedfshall be position in event of the fail- .of a magazine to printing the magazine is fed to held in printing ure of thefeed position and until without printing; 1

'Means have 7 v. H this-situatlon by providlng a safety shown in Figs. 9, 10 and 11$ Supported-on the front oftthe machine is the longitudinal shaft124e .wliich was previously "A rod 127 sconnected at one-end to anarn' 127 on arod 127 which extends transverse:

during the printing operation,

n'sure movement thereof are raised. When the l that no printing device. 7 to be printed. will pass through the machine 7 described and which is 5 revolved as before mentioned; this isth e'shaft:

on which the "can1s 3123: are arranged and;

the stops 113 and-114; @ford V H V I a allowittfl PrQpell dbythe'belts74; R011;

atSQQ'T on the iramej and adapted to engage 127 fisconnected to an anglelever 227 pivoted a pm 2277 jon pawl 943for releasingthe pawl J trom'pin 93 on sprocket 91. "Asp ring 1281 attached tothe arm 127' and to th0f12t11161101 mally holds these parts i'nfposition with the pawl 9 1 out pf operative relation toithe pins 93011 the sprocket, but when a magazine 1 16 is fed-togposition precedingfprinting position it will depress a roller 129, which is mounted onthe arm 128fand projects up" through an opening f'13 O in'thetable113O" of themachine,

and the rod127 is thus Shifted tothe right 9:, and the pawl' 9'41 then permitted by the anglelever 227to-engage one ofthe pins 93 tor operat ngthe printing device feed; In

the absence ofamagazine for depressing the roller 129 theuieed pawlfl l will be held in inoperative position so thatthe-printing device feed ,will not operateand this is desirable because a printing device to be printed should not be dischar edfromprinting posi-,

tion until an impression has been taken therer from. 1Fo'r insur ng proper engagement of" h magazine with v the release roller 129 j "a double roan-" 1134, carried by, a. rod 133 on a I support; on are fra1ne, is arranged over theopenmg in the table. 7 Then there no magazine present sneer the rollers 134 the release roller 12 9 will be projected bythe spring 128 through the'opening; 130 in the table'.a'nc l--'b'etweenthe rollers 134,.asshown V I in broken lines in, 9, and the feedfpawl 9 1 will thenbe'in inoperative position; but when a 'ina'ga'zine is fed beneath the rollers it will force therelease roller down against the tension of its spring 128'1 and causethe printing device feed to operateLf Alliandle' arm 1313s connectedto the'a'rm 127. which isin'the forrnlolfa casting mounted on' thero'd "127 :antliformingia support for the: arm 128 so that the printing device feed; control may be. operated manually "when desired. This handle also functions; as a counterweight to Y ""The hand e r l ranged thereon which rides onafcain 135 1-13 5 lOU' llll

is on the high portionof thejcam- 136 it keeps V the. wheel 129" down. This action permits 7 v I l i vthe'-printing device to passthrough to print :beenpro'vide'dto,take oare of} irig position where itisheldifor print ing; operation;

,thejmachine, Fig. Zjand is'similar inallfresuiiifcient pressure on the ma gazine] to" belts 'r 'l riding on the topof the frame: .-..To prevent {a magazine from being fed tog 'printin is to'be sklpped aiyoke 138 is pivoted to the The selector pin bar 7 ng'device to besklpped and causes the yoke armltlofthe bell crank is. connec'tedto 'a' erode-1421 communicating with the arm 69 of the pneumatic-valve 66, Movement ofthe arm 141' to-the'left in Fig.5, causes the rod 142,10 move longitudinally to the left and prevents reciprocationiof the arm 69, there- 20- c v 51 andv also preventing'the'sucker bar from drawing a magazine into the machine. A

byshutting off the suction in the sucker bar rod 143 isconnected to the arm :141 and is I i Operated in the same manner aslthe'rold 142 andprevents reciprocation of thefinger bar. u

When'the finger-bar stops moving the fingers will be in the position showninf Fig. 8 and v prevent magazinesr from being fed, This construction provides adouble safeg uard to] prevent magazines fromg being fed into the machine when a-printingfdeyice. is not to be pr ede.

r a Thei'magazine travels insuitable guides 144, Fig, 3, vwhich'are fastened'on the; top of the :[fraine to assure proper position of the magazine relative to theplaten. The gui'des also assure that the magazine ;wi 'll,be squared printing. .P iQ ing the printing pe atio w I .i

Downwardly disposed arms 145, against which-the magazines-are stacked, areal.-- ranged: on the front of the casing and on" the feeding-endthereof. Thesearms keep the stack of magazines l lfiin proper'position relative tothe feeding .mechani sm, V I The-sucker bar swings downward from the position-shown in Fig.:,7 tofthatvshown in from the stackthe fingers engage the bottom' of the stack at thefront thereof, Fig.v 8, toprevent other. magazines inthe stackfrom being affected while the and partly around the feed roller. ';V\ Then the sucker bar is moved-up to the stack the fingers '65 are swung away from the stack,

Fig. 7 and when the fsucker bar moves away are swung up to bottom magazine is'being' fed away. from the stack; The gripper rollers are: swung .to clamp the magazineagainst the feed rollers and the latter feed gthe bottom-magazine to the belts 74 whicliicarry. it-forward firstflto the stops l l3- andthen to the place 114 where iai jmomentarily held during the printing T operation. The guides 1:44 assure that; the

magazine wi g position when a printing device operated by arod 139 frame c'arries' a roller: 140; which contacts with an edge of I magazineis ted to printin printing; device to be printed; it sag printing; device 'i-s to beiskippedthemagazineieed willnot operate to feeda magazinel to' printing.

printing "device is not fed in 'a' I 7 t on of-the printing device-teed the magazinef pulls downthe forward marginaledge 'portionof the bottommagazineiupon tiveto. the'platen' in printing position. 7 D'ur be properly positioned lfrelai V ing the, revolutionof the camandnafterthe and al'low the taken away:

-magazinehasbeen'printed thestops lliraise a r mewwbe i den e to a r e a e abhf hIWh1h hey a a n will be noted "from as fore oi g ee};

position," if for any reason there i'ailure oi the magaz ne teed andjaprm ng' dev ce isto printed:this device fwilllbe gheld iin i PIflDtiIlgQPOSItIOH until magazine isYfed.

Vsc ription. that provision is made for printing every printingv device intended jtogbe printed and to prevent a magazine passing i 1 througlrthe mach'inewithout printingrFA position-forever to print'ingj position if for 're'asoma feed will not operate.)

out this description for t H plaining' the invention it is not to be construed as limiting] the invention but as'. in'- eluding a newspaper, folder orlany otherjia tic'le adaptedforuse in this machine; i

s 7 Changes in fth'e form, constructionandarrangement of parts of theinventioniniay made without de changes astairly allwithinth scoipeof a1- followingfc'la'imsf Weclaini; I a V v 1 A printing'machine compr adapted to-support 'astackio'f While a magazinejhasheen usedthrough-l 7 A H parting fromthefspiritorj sacr1fic1ng the-,, advantages therei-ff andjtherights hereby-ereserved to "make {all V such lslng a trame maga'lzlnes; a feed "roller shaft and aigripper rOlIersha-ft,

fee I he purpose ofex gr I a feed-roller; and. a gripper roller' mounted I on said shafts, and" supportedin 'sp'aced s reation at the front end of said :staek, means movablelpast and. between said shaits tofeni gage therb'ottom jmagazine inthe stack an'd.

to pull .it down between said lrollers for "en;

the gripper-roller to press" against the'feedroller. l a a 2. A printing machine comprising a frame Qgagementbthereby, and. means v:Eor moving we the magaz ne adapted te 'Tsupport' stack -.of magazines,

a feed roller shaft and a gripper 'roll'ershaft."ff i n gripperJrollerm'onnted on. said shafts {and supported in spaced rea feed roller a d a lation at thefronted ofrsaid, stack, pneu tWeen-saidshafts to engagethe bottom magazine in the stack and to pull it [down between v I said rollers for .engagement: thereby, and 7 means for moving the gripper roller to press the magazine against the feed" roller.

adaptedjtojsupporta stacko'f magazines, a

feed :roller shaft and g i per roller shaft matic suction means movable past and he I a feed mile-fascia gripper-roller mounted onsaid shafts 'and's'upported insp'aced relaw tionat the front end of said stack, pneumatic suction means reciprocating past and between said shafts to engage'the bottom magazine in the stack and to pull it down betweens'aid vrollers for engagement thereby, and means for moving the gripper roller to press the a feed roller and adapted to magazine against the feed roller. H

Aprinting machinecomprising a'frame support a stackof magazines, a shaft and a gripper roller shaft, agripper roller mounted on said .shaftsand supported in spaced relation at the front end of 7 said stack, pneumatic feed roller rsu'ct-ion means reciprocating past and between saidshafts and alongside the feed rollerto engagesthe bottom magazine in'the stack and toipull it down the gr1pp'enr0ller to press the m agaz ine r 7 against the feed' ro'ller.

" 5; A printing machine comprising a frame adapted to support a stack of magazinesyar feed "roller shaftsupported' below the forward end of the stack, a feed roller on said andbe magaz shaft engaging theunderside of the bottom feedroller shaft, a gripper roller on the grippenrollerishaft, suction means movableip'ast ween sa d shafts toiengage the bottom ine in the stack between its forward 7 "edge and the feed roller: and to pull the forward marginal edge" portion 'i' ofthe bottom magazine-into pos tion between the feed roller and the gripper "roller," andmeans-for i moving the "gripper roller tof pressthe' magaward end n in hefeedrousr;

F6 A printing machine comprising a frame adapted to supporta stack of magazines, a

feed roller shaft supported below" the forshaft engaging theunder side ofthe bottom magazine ad aeent the forward edge thereof,

' a gripper roller-shaft movablysupported in vfront of the stack,

a gripper roller on the gripper roller shaft, suction means movable past and'betwe'en said shafts 'to engage, the

bottom magazine in thestaok between its forward edge and thefe'ed roller and to pull the forward marginal edge portion of. thebottom magazine into position between the feed roller and the gripper roller; and means for moving thegripper roller topre'is's the magazinezagainst the feedro'ller t 7. A rinting machine com rising a frame adapted to supports sta kpfmagazines, a

feed roller'sihaft supported below the forward end of thesftack g f ed'rollei on said shaft e gagingjthe under side of tfiehottom 'ma azineadjacentlthe fo wardedge thereof,

gripper roller shaft movabl-y su portedm front of-Lthe stack; a gripper roller (m the gripper roller shaft, suction means movable 7 between sai d rollersi for en- ,t gagement thereby, and means: for fmoving Vagazine adjacentthe forward edge therev of, a gripper-"rollershaft spaced from the of the stack, a f'leed'frolle'r on said between' said shafts to engage the bottom magazine. in the stack between its forward edge" and the feed roller and to pull the forv ward" marginal edge portion'ofthebottom magazine into position betweenT'the; feed rollerandthe gripper roller, and-means fpr moving the gripper roller under the. stack to press the magazine adapted to support a stack "of magazines, a

feed roller shaft supported; below the for? ward endrof the stajckga feed roller on said shaft; engaging the under sideof -the" bottom a rocker? supported in the machine in front of the stack, depending arms on said rocker; I

a gripper 'roller' 'ha ftsupported in said arms,

a gripper ro'ller on said gripper roller shaft;

against the feed roller. 8; Aprintingmachine compris ng a frame j 'I'5 magazineadjacent the forwardedgethereo'f,

suction'means movable between said'shafts to engage the bottomfmagazine of'the stack and to pull it" djowni'between said rollers for engagement thereby,

the gripper roller to,

against thefeed roller. 7

9. printing machine comprising a press the magazine frame adapted'to support; a stack ofmagazines, a

feed roller shaft supported below the forward end of'the st'aelgi 'a feed rolleron said j and means for movingshaft engaging thelu'nderside of thebot= tom magazine 1 adjacent the forward edge thereof, a" gripper roller shaft, a gripper roller onfisaid shaft, suction means movable bet'Ween 'sai-d shafts Itof engage" the bottom magazine ,infro-ntof the; feed roller and to:

pull the forward marginal portion of the bott-oiniii'agazine down againstand partly around the feed roller, and means forinoving the gripper roller to againstthezfeed roller forfee'ding said magazinefrom the stack. 5

" 10, A printi g; machine comprising a frame ad'apted tjo-support a stack of mega-1 press the magazine zines, a; feedroller shaft supported below the stack"between forward, edge and roller rockerfsujp front ofv the staek,5

thei'feed roller audito pull the forward 5 marginal edge; portion or th bottommaga zine down and partly'aroun'd the feed roller, v and-means for 0perati 1ig'.said '1-' kg topress the 7 moving the' gripper "roller I magazine agai st: the feed roller for feeding the magazinsfromtuestack.,

1 1. A printing maritime; lionipiising V w saw: s r i f met roller shaftupported below the frame ada-p ineaa feed? fiorwarct err sa as engagi r the under side o'r- 'tlre f the stack, a; feeiirelies-ea ib'ottom magazine adjacent the forward edge I j thereoffagripper roller. shaft movablysup- I i ported in front of thestack5 a gripperroller on the gripper roller shaft, suction means movable between said shaftsto engage the bottom magazine in the stack between its forward edge and the feed roller and to pull the forward marginal edge portion of the bottom magazine down and partly around in the feed roller means for moving the gripjper roller to press the magazine against the feed-roller for feeding the magazine away I from thestack, a finger engaging the under Y si-derof the bottom magazine in front of'the feed rollerand means for moving said fina ger away from the stack to permit theopera a tion ofthe Suction means and then to move the: finger-back into engagement With the T stackto prevent feeding movement of an- 5- other magazine While the bottom magazine is --.be ing fed from the stack. a

12A printing machine "comprising a 7 frame adapted to support a stack of magaj 1 zines, a feed roller shaft'supported below I the forward end of the stack, a feed roller ---on said shaft engaging the under side of the bottom magazine adjacent the forward edge thereof, a finger bar pivotally mounted r in the machine, a finger on said bar normally.

an engaging the underside of the bottom maga azine in front of, the feed roller, a gripper I roller rocker mounted in the machine, a grip-1' v I 'per roller shaft carried by'said rocker a v v L Jgripper 'rollenonlsaid gripper'roller shaft f as spaced from the feed roller, suction means ymovable betweensaid shafts to engage the e bottommagazineof the stack between its forward edge and the feed roller and to pull the forward marginai'edge portion of the bottom 40 magazine down and partly around the feed roller, a cam shaft, and independent means a on said cam shaft for operating said finger,

r said suction means and said gripperroller v to move the finger away from the stack While the suction means is operating and to move said gripper'roller into operative position and to return said finger into .engage-v v ment with the stack Wherebythe bottom magazine is fed from the stack Without dis turbing the other magazines in the stack. 1 JOSEPH S. DUNCAN.

' HENRYo-E. HUBBARD.

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