US2011713A - Duplicator - Google Patents

Description

Aug. 20; 1935. J. FLANIG AN DUPLICATOR Filed Feb. 20, 1934 2 Sheets-Sheet l INVENTQR /0H/V d. FLA/V/GAN Aug. 20, 1935. J. J. FLANIGAN 2,011,713

DUPLICATOR Filed Feb. 20, 1934 2 Sheets-Sheet 2 INVENTOR JOHN J. FLA N16 AN J L ATTORNEYS Patented Aug. 26, 1935 r -Es {PATENT "OFFICE.

- fiUPLICATOR i barand'lied alf sii nasit facilitate strippin lapel ttffacil itefie removal of aLf tQb Iet'fiOm the bed,

" jv'ievif n' lihe of plic'atox showing the from? enient oftlie' mar:-

, 1g. 41s a perspective View of'on'e of the' hdmemberofftfie fz 'a "e; a nd A Fig. 10"is a fragmenta y fi'dnt elevation off the 20 duplieaktonalk of the slabSan'd the drawer being removed.

The-maih-bbqy of tliefra'xfie of the m'achin'ejS a; trough-like sheet me'tlgl member'cdnsi sfiing of a, nap b ttqmwan r! ar d t'vmparl ngitudinal 2'5 s idefwalli l 2,feach of which wiaJlsil?has at its upper edge an outwardly extending flange I3 The flat" sheet same horizontal plane as flanges)" {3 m itself 30 The bed'terminatee slliortf-pff the frent and rear 35 Uhdjei lymg the bed; flanges l5 1 Underlyi g the-Bed re thre-isupniosed and herizontallyfdjspesed sheetmetal shelves |9*f'or th e"'1pwerif10st"dne of shelves I 9? This plate 2| upstanding extension qr upper end portionfZ'l Extendin along the top face of each shelf [9 adjacent the opposite longitudinal side edges of the shelf are two erwise affixed to the shelf and each having 7 ,5 along its inner edge an inverted L-shaped flange are preferably zoiital leg of sn ps. r ne hsrmee anaemi are leas V as ' I e n d eieie wa e erw e stending rearward beyondft he rear;

23 the horizontal leg of which is directed inward over the shelf and is preferably upturned slight- 1y at its forward end as shown. Thefshelves l9 jsligh'tlyishorter thanfth'e bedfli l as shownpthe're'ar end edges of the shelves'ilying in the vertical plane the upper face of the'flanges l 3' and the upper 7 ed L-shapedfiange 25 which eXtendssubs'tan-v I 5 tially the full, length ;-of

a, the d h. -ihe.- ,ler oi the flange directed inward over the amine bed. Bars t 1.:,; d an ave nar ow d Po on L ft 'd evsflrin .fi ne s 1 a sho n- T s "each flange 25 is preferably bent at, its front end, as shown.

a p e d sli h l consists'of jag rigid' and" flat backing or base P01111011 26 of reetangular igrni' (prefer ably f @e a sc eereeh or ge a layer er per-Denim .Zl: 2 .$i i1e i 1 sm lle aifixed to the base e I V abletcorresp nd I i he vertical legs of the'itwolflanges 25, the of. -thebase25 of the' tabletcorresponds cal s ac ng;

h bed 4' andfth'e width of the centrist: the, tablet is t 'iiual,tmendpreferably;as Shown, greater than thewidth o f;thhorihontal legs of flanges 25.

A tabletisattachedtothe ifranie,in DOSition I A p p "Intheqdrawings the impression-roller or platen 34 is shown liftediro'm its; sheetfpre'ssing posi for use bysliding it longitudinally'rearward over ithe mag-want 7 "tablet engaged in the 'ways fformedlbythe guidis is releasabl loched. in t s position. by 'rne'ansv of Tvic ei29. .7

. I ,."I'he, rnargin holder cornprises'a san r aneilo lis tliesie fie?" h i i e metal bars 22welded or otho upper face of said 'bottom'faoe oi the bed. Along its front edge of the rearv edge of the bed, Two flat sheet metal bars 25 extend longitudinallyoijthe frame, at opposite sides of the 1 e a of same-21 on the bed to hold'the slab against marginal portion or bed "I 4, 7

otherwise secured bed-t1 5Eachzbar -24 24 extend substantially theiiull'length end; of the,

a .i l eh p q h lab r. t e e nt 0f t J duplicator tio'nqj l .of plate 28. [Of a slab from the H v e H bed is provided centrally "thereof with a finger mg, centered on the I base portion to leave unii orm marginalen d porfort/most "m te nalir v nectiojn with pressed upon 7 bdlA by hand or .a hand roller, the duplicator is preferably'provided with a suitable impresvsion rollerand i pression rollercarriage for this I roller'device is shown, wherein of, thebed, the width g,

pivotally-supported :is reciprocable fore-and+a ft of the bedgand the slab thereon, of theghorizontallegs of t p 1' gen e- W ubrismostend. Iwithltheilongitudinalgmarginalportions of the irtion 5 251% of plate 2 I. The" tablet is thus movement in" all directions except hush, withi'the'frjont edge of bed The tablet derlying'the forward end portionof. bed l4 and hinged at'its rear end to the bed to swing up and downby .a hinge springs 31 normally hold the flat bodyp'ortion of the bar in a'horizontal plane with the body portion abutting the said bar hasa flange lying at right angles to the main body '01 the bar and normally extending vertically-upward at the front edge of: bed M to a'level higher than the bed and'the-hecpair 'ofhinges 30. A pair of tograph slab 26-21 on the bed, said flangenormally. abutting the front edge of the base 26 forwardmoveinent, and. said flange projecting to a" level higher than the slab 'orposition the sheet; A sheet tobelaid, or impressed upon th hectographic layer of the slab isfgauged or positioned by engaging one edge thereofbehind ,the upstanding portion of the margin barfprojecting aboveflthelevel oi the'slab.

,7 The bar is depressible againstrthezresistance of f the hinge springsto an inefiective position' Shown in Fig; 7 permitting a slab 261-41 t0 be e for engagement by edge-ore masteror a copy sheetto gauge slid ho'ri'zqr itally onto arid off the bed. FAs'will fro Fig.7

ppe I on the topmost shelf 7 v 7 return to effective positio f whnfla slab is pushed rearward-into engagement with stop porfiTO bed, "the 'front Qdg'e Of the clearance notch 32" to mit'grasping" of the the slab? The upstanding portion oi' margin bar 29 is providedf-withfa' central figure clearance notch 33 opposite notch' 32 sothat 'the extent to'lwhich the'bar "must bedepressed, to permit the aforesaid grasping {of theslab' is reduced;

jvifliiljefmaster andicopy'jsheets used fin conthe] duplicator jim'ay be laid or imthe gelatin surface of the slab on ing afpapertabljBl and 2,15

feed roller 38; spring urged forw ard to press ,a sheet'tothe roller; 34 whenj'thefllatteris moved usual operatingrhandle' 39 fisf'fixed to the yoke.

porting wheels journalle'd on the carriage, and

has; the-usual pair of iore-jand-aft spaced sleeves "4 ,i'atf one endfthereoi connecting the carriage to 'pivotally and slidably a horizontalguide rod 42. extending longitudinallyei the duplicator at the right hand s'ideof the frameg In*the construction shown,

improved means. In the 'improved construotion,

*,the supporting; wheels adjacent the opposite I '7, the bar ZFmay beshifted t'o ineffectiveposition without contactingjaslab I9,,an d will automatically 39 facilitate withdrawal 7 and down swinging yoke 35 e however, the; vwheeled, carriage is supported and H guided by A well known form of ca'rriage and thegsheets down press a; sheet insertedbetween- rollers V t 34 and 38. t0 the 'gelatin'surfag of'the'slab 'lhe 59 tion-fi'nto position for, insertion oi a, sheet into 7 :the carriage between rollers 3A andliiil. The carriage" is provided with the usual pair: of sup- -q.enu-.s;=cr the carriage :overlie :and normallyirest upon two tracks on the frame, each ofxvwhich ,::track is formed by oneiof the flanges .l3 and zz-the lover-lying portion of that one of" the bars I r5114 -whichtis welded or otherwise fixed to .said flange and'gthe' adjoining marginal portion of s bed l'd. :Rigid supporting tracksifor the carriage are :thus :provided; onxthe sheet metal .frame.

L in ,the improved construction the. guide .rod Film-#42 15supportemon the :frame in an improved mannerfor limited up ,rand' 'down movement without --tilting. s ai'dtrodrhas reduced end por- -ltiens fastened bypins 44 (Fig. 1) :in the outer ends of a pair of arms 4'5,;'said'arms: being .pivoted at their innerends at 46 on theiout- :gwardly projecting portions of brackets 41 welded otherwiseafiixed to the right hand side wall t ofthe -frame at the'outer face of said wall opposite ends .ofthe wall below flange 3 of i2!) 1 e dwall; The weight'of rod: 42 and arms *45 i s' counterbalanced by a compression spring '48 .whioh projects upward from-a socket 4.; in a block fillwelded or otherwise afiixe'd tothe rear iQne'fOf the brackets 41, the projecting upper 25 end ofsaidspring 48Vengaging under the outer en'd portion of the rear 'al he forward reduced end portion 5| of guide rod-42 extends forward through van aperture 52 -(EigxlO) in the forward one of the brackets and is-normally out ;of-eontact with the edge of the-.-aperlture as shown in Fig. 10. End portion 5;! of rodt-42 'is adapted to engage the edge of fhegaperture at the top and bottom of the aperture -tojpermit onlya small amount of up and 535 downmovement of the rod.

Ilfhe' carriage wheels are coactive with the frametraoks to support the carriage out of con- 1 ago When the impression roller is forced thickness-of the sheets used andofnthe slab on the bed-and atlthesame vtime the carriage and [roller are a-adaptedto assume parallelism with the bed atthe different required levels and to reifio L ciprocate over the bed withoutfore-and-aft tiltand without lateral skewing. When it is dessiredto -h'ave unobstructed access to the bed, torgthe slab 'thereon, the carriage isswung upward and-to the right into the position shown a55 .Fig. 6;:part 51 of rod-42 engaging the bottom r or apertureSZ after a slight downward move- }.inentof the rod to prevent therod'from drop- Ql-p'ingso farthat a pair of stop and supporting Lanes ;533 (one on each sleeve 4|) cannot engage asshovvn in .Fig, 6, underthe twoply,frame :track at the right hand-side'of the machine. v -A stop 54'on guide rod'42 arrests forward moveument of-the carriage at a sheet inserting point at iwhioh the impression roller is depressible on to 7565 the islab atthe forward end of'the gelatin layer 21. Ilhegusual rearward sheet laying or impressing movement of the carriagemay be limited by astopdevice 55 on therod 42, which device is adjustahle longitudinally of the rod. 7

" alptfacilitate strippingvofa sheet from the 'hectograph slab .by-hand; after thefsheet hasbeen -pressed on thesl'abby theroller 34 during a rearwar d r sheet --la-ying movement of the carriage, the

5 bed lldiis providedgat :its-front edge with a pair rof -fingerclearingnotches56 registering-withwthe pair of notches 28 in the front edge of the rs-versible and detachable.slab,.2and1the margin bar is cut away entirely through its'upstanding'fflange portion and rearward part-way through its normally orizontal '.portion to provide "two .fin'ger 5 clearance :no'tches 57 extending backrthroug'h the front :of'ithe bar and positioned to register with the bed notches 5-56 .in the normalpositi'onof :the margin bar. :It .is thus possible-to grasp 'the front :edge rof the impressed. sheet with the 'foreafin'ger l0 and thumb of eachhand and vpeelit *upwardand rear-ward :o-if the gelatin surface of the pad-or slab on the bed. v i

Asuita'blehandleiais afiixed to ther'iglit hand side wall l 2 of theframe for :use in carryingthe 'Ithe sizes'hown in Figs. '1 and 2, so as to be light and compact but still capable of handling sheets within the usual size range. a V

Preferably provision is made for storage of 'a supply-of clean paper sheets and 'for'handli'ng said project above'the top walltas does alsothefront wall to form an open tray at'thetop of the box. Preferably sheet metal cross-barsfil are held to frame of theiduplic'ator when the combined box and tray is .slid into the frame as shown in Figs. land 2. The rear wall or box door 6| "is preferably A stacked supply. of clean paper sheet-smay :be stored withinthe closed box inthe'frame. When it is desired to take a run of copies from a :negative impression transferred from amaster sheet V l to the gelatin surface of the slab: on the bed, the

and-tray is withdrawn from the inactiveeposition .and'the active or sheet impressing position-of the impression rollerzintthe carmiage. 1215 "ill h h I 12,011,713 :-What1claim';is:ir r 1 islab notches. whensaid bari-isslab-engagin :f, 115A duplicatorfcomp'rising a rectangular-hecwfposition. 2 V tographslah'a'bed for saidslabg rneans fixed rela- L a 85A duplic tor asclaimediin'claim '7, wherein tivelytothe bed and abutting three edges-and the :upper faceof: said slab to prevent shifting-moveement-Dfsthe. slab relatively-tothabed except edge- 'se sliding movementof the slab in'one direction, and means abutting thefourth-edge of the slab to prevent iedgejwisetsliding rriovement ofzthe slab in said one directionandrshiftably supported *for'movement relatively to saidbe'd into a posigition permitting edg'ewise withdrawal of the slab said one direction from the bed. 2; -;2; A: duplicator as 'claimed inl claim 1, wherein saidg s iftably supported slab-engaging ,rneans -cornprises amargin bar having means forjgaug- 7 ing a sheet to be'irnpressed'upon thehectograph slab.

" v 4. 3A duplicator as" team 11, wherein 2145 V V a {notch iin one end edgethereof, a hectograph carriage guide rod to which the carriage' i's slidably held, and" a sheetmetal supporting frame 3. A duplicator as claimed l, wherein said shiitablyysupported slab; engaging means is Qpivotally mounted and is spring-urged into slab- 'eng g ing po sition. I

u i m l. ii b s s ense s bre e s ne'm ns i Jone endyof 'th'elbed to inove dovm andup, respectivfily from and .to

, end 'dg'e or the slab, said margin bar having sh e e s ne margln bar supported adjacent a. position for engaging one means projecting above the margin har engaged end of theslab, when said ,ba is in slab-engaging jejdge 'of'a sheet'to be laidfupon the slab} 5.ZA duplicator as claimed in claim, 1, wherein 'm'allyengaged' flatwise with the bed under. the

bed and a1 slabaengagirig j and sheet-gauging "*fiange portion normaly projecting upwardly at;

f the bed above the plane "f'the 'ppersuriace o f theslab'; v

f6. A duplicator comprising a bed; fora hectograph 'slab, said" bed having a finger f'clearance sl'ab; andmeah's for'relea'sably holding said slab 1 on 'said bed with ei ther endedge offs aid slab at the'nptchedfend ledge 01" the bed, said slab having a notches'l arran'ged forregistration of one of the slab',-notches with the-bed notch when the slab'is its -enol edges uprovided'wit'n finger clearance held onthebed bysaid means-with either of the end edges of the -s'lab at thefnotched end; of the to the re'gister'ed bed' and slab notches.

' 1* '1.- VA duplicatorcomprising-a frame including a bed .for a' hectograph slab, said'bedhaving a I finger clearance notch in' one'endedge'thereof,

a: hectograph slab-' fresting mend bed, a sheet- .i-gauging-i margin b'ar "at the notched edge of the 'nbed abutting'one end edge of the slab, and shiftably supported-for downward movement "below the bedto release: the slab;'- stationary 'ine'ans on theitrame forming *slideways in; which the side qedges of the slab are engagedand stationary "means'fon-nthefram'e abutting the opposite end 7 T edgeiof' the slab; s'aidaslab having a" finger clearance -notch in one end edge-thereof registering with the"; bed notch and also having a finger zcle aranc'enotchin its opposite end edge "adapted to register withthebed notch-'when'the s1ab is V reversed end 'for end'on the bed, a'nd said 1nargm Ibar being provided with notch registeringwith said registered bed and a finger clearance z hectograph i slab only of" the the slab :a'gainst: facewis'e'; inovernent with one end vedge of the slab at Csaidq end edge" of the .;bed, :said; endedge of i'clearance notch" therein underlying the "adjacent portion of the slab, a sheet-gauging -margin bar-{havingta body. portion hinged to" the b'ed adj'acent'the notched end edge" of the'l bed to swingiup and down about'an axis parallel to' fsaid .l end: edge ofi the bed, and spring means 'yieldably ing- Ifianfge, wardly above" the bed and slab along the notched Lendedge ofthe bed and is alsoprovidedwitha said 'shiftablys'upported slab-engaging'means is I V finger clearance notchopposite said bed notch. 35

bed; said slab holdingmeans permitting access,

twoply tracks for bedeach have "a pair of finger clearance'notchestherein, which pairs'of'notches are -inregister,"and the slab v clearance notches in each 10 'endedge thereofgandidentically located along said two slab edges, one of which pairs of notches zregisters with the registered pairs of" bed and, g'lmarginlbar notches. V 1 r 1. '9. duplicator comprising a bed, a hectof-graph slab; .st'ationary means for :holdingthe to said bed for sliding'of; the slab? on to and oil 1 the bed fronibnefendedge bed, said means and bedholding the bed having; a finger holdinglsai'd body portion of -the bar flatwise R v 3'againsttheiunder-iace 0t theed; 'said'bar havposition, for engagement with fsaid means; of one ing an upstanding sIab hOIding and sheetaugwhich flange I normally projects uplO'I- A duplicator as claimed in 'claim 7, where,-

ginalsend'portions of the base;

' l1. A- duplicator comprising fahectograph =s'1ab'; an impression roller carriage 'i'eiprocable'a over-said slab, and having supporting whelsya ionsaid'slab'and carriage and guide-rod; 'said frame comprising a base memberhaving a bot- 1.5

' tomvvall and two opposed upstanding side walls,

'said side Walls havingoutward projecting flanges at their upper enas, a bed for said slab" extending between-the upper ends o f' s'aidside walls in the lane ofrsaid flanges and" having pendentedge 525 "flahgesheld to the" side walls atJthe inner faces of said wallaanda pair of fiat bars overlying the 3 side wall 'fianges and adjacent marginal portions -*of the bedand held 'to saidffia-nges and bed, each said "bar having along its inner edge an inverted a 60 L-sha'peu' Lflange' "the horizontal "leg of which overhangs'the' slab; said L-shaped flanges form-- mg slide ways forjthe slab, and the 'wall flanges and superposed portions of the bars forming the supporting wheels ofthe .1

carriage, "and said guide rod being supported on 'the frame at. the outer side'of one' of' the side wallsof saidbase memberfand extending-longitudinally, of said "Wall. 7

-12; A duplicator, as claimed, claim ll',"having 7 0 "insaid frame-below'the bed "a plurality of superposed sheet-metal shelves for extra hecto'graph slabs, said shelves beingjsupported fr'omtheside "walls of the'b'ase member an-upstanding sheet metal plate extending transverselybf' the base -7'5 end of the bedinto and out of its gauging and slab-retaining position.

13. In a hectograph duplicator, the combination of a frame including a rectangular bed for supporting a hectograph slab, means fixed relabed, slab-end abutting means fixed relatively to said bed at one end of the bed to abut one end edge of such a slab, and a combined sheet-gauging margin bar and slab retainer shiftably supported on the frame to move up and down at the other end of the bed between a sheet-gauging and'slab-retaining position in which said bar is positioned to abut the other end edge of such a slab and a position in which such a slab may be slid endwise on to or off of the bed.

14. In a hectograph duplicator, the combination of a frame including a rectangular bed for supporting a hectograph slab, means fixed relatively to said frame forming slab-retaining slideways extending along the longitudinal side edges of the bed to receive the side edges of a rectangular hectograph slab slid endwise on to the bed, slab-end abutting means fixed relatively to said bed at one end of the bed to abut one end edge of the slab, a combined sheet-gauging margin bar and slab retainer shiftably supported on the frame to move up and down at the other end of the bed between a sheet-gauging and slab-retaining position in which said bar is positioned to abut ofi" of the bed, and means yieldingl holding the margin bar normally in said sheet-gauging and slab-retaining position of the bar.

15 A hectograph duplicator comprising a sheet metal base member having a bottom wall and two 7 opposed side walls, a sheet metal top wall supported from said side walls, a series of superposed sheet metal shelves between the top and posite side edges of said top wall between. said upstanding plate and the opposite end of the top wall, each said bar having an inverted L-shaped flange at its inner edge forming with said top wall a channel adjacent one side edge of said top wall, and a hectograph slab removably seated on thereof engaged in the channels formed by said top wall and said inverted L-shaped flanges.

16. A hectograph duplicator comprising a sheet metal base member having a bottom wall and two opposed side walls, a sheet metal top wall supported from said side walls, a series of superposed sheet metal shelves between the top and bottom walls and supported from the side Walls, a transverse upstanding sheet metal plate supported from the top and side walls at one end of said series of shelves and the top wall and extending upwardly from the lowermost shelf to a point above the level of the top wall, and a pair of sheet metal bars held to the top wall extending along the upper face of said top Wall at opposite side edges of said top wall between said upstanding plate and the opposite end of the top wall, each said bar having an inverted L-shaped flange at its inner edge, and a hectograph slab removably seated on the top wall with one end edge thereof abutting said transverse plate and its opposite side edge portions confined between the top wall and said inverted L-shaped flanges, and a slab-retainer pivotally supported to move up down into and out of a slab-retaining position inwhich it projects above the level of the top wall at that end of said wall opposite the one at which the transverse plate is located to abut the other end edge of the slab.

17. A hectograph duplicator comprising a frame including a bed, a sheet-laying carriage reciprocable over said bed longitudinally of the frame and bed, a pair of brackets held to the frame at one side of the frame and extending outwardly from the frame, a pair of outwardly extending arms pivotally held at their inner ends to said brackets, a guide rod having reduced end portions fixed in the outer ends of said arms, said carriage being slidably and pivotally held to said guide rod, one of said brackets having a socket JOHN J. FLANIGAN.

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