US1611225A - Web feed for printing presses - Google Patents

Description

Deco v L. M. PAGE ET AL WEB'FEED FOR PRINTING PRESSES Filed June 5. 1926 2 Sheets-Sheet 1 |||lIlll|llllllllllm|- Dec. 21 192a. 1 1,611,225 L. M. PAGE ET AL WEB FEED FOR PRINTING PREssEs F 'iled June 5.-1926 .2 Sheets-sheet 2 w an \ I ATTORNEY 7 their preferred embodiment inthe drawings- Patented Dec; 21, 1926 LESLIE ,M. PAGE, or ivrArLnwoon,

NEW JERS Y; Ann were menace, or BRooKLYN, -NEW'YORK.'

, 5. museums rninrine messes],

npflication filedjune 5, 192 7 "Serial NBQ113855 This 7 invention relates 'to web fee'd tfor printing presses and has forj itsiobjectjto provide a device of the class specifiechsin ple in construction and'reliable: in operation To. these and other objects which "will be inor-e specifically pointed out herein, our imf I H p p v"arm fixed to p vot shaft14 ha'sgp 1n 26 fixed in its lower end for engagement with provelnents jooinp'risef features illustrated, in

v accompanying thisjspecificationj, ,wlierein'i v "Figure 118 a s jdeelevat on, w th the front frame removed; of so much of a known type of bed and platen printing press as will as fliceto' show-the [application of our irn 'prove nents thereto. 2 is a plan cor-' responding with the showingof Fig. 1. The scale of the two'figures is the same.

I L'While our improvements are shown hereare Q connected' bv cross-bar 19, to which I is For lifting'gripper 15'fat suitable]tiniest cam 27 fixed to frame 7. Strap 28 isfixed in as ap'pliedto a two-station,printingpress,

' snchas disfdescribed'and-claimed in U. S Letters Patent No. 1,494,702. granted May 20,'1924; to the present applicants, itswill 7 be ,obvioiisjto those skilled in the art that saidl improvements" are applicable to any, single station bedjand platen press of the" same general type, In such case carriage 10 and p'latenfi are considered integral. Forms 2'and 8 are removablyfixed onbed 4j andfplaten 5 iss inounted for oscillation'on.

' shaft ,6 having bearings in' opposite, side toward {andgfrom forms 2, 3, by known means, not shownftlirough link 9; Garri age- 10 is mounted for transverse reciprocat on" on platen 5and is retained tl'iereon'b'y gibs 11, 12.' To the rear end offlcarriage 10 is fixed ca1n'13 for engagement with suitable carriage shifting means; not shown herein,

4 zi idned at nt' N 1 but which is fully shown in the above mens encemay'belhad.

For supportingroll 40,01? web niaterial 23, box 141 depends from gib ll (if-carriage 1 0. Pivot-ed at14, near the loweredge of car l-riage ll O, is a modified forln l5oflthe usnal; sheet "gripper; Injthe present caselffor convenience, 'saidgripper is reversed U-shaped,

its npper transverse arm having web 23 pass frames Z and 8.];Said platen is oscillated I by suitable screwsto platen carriage10 near the lower left hand end of'sai'd carriage and underwhich'strap web23 freely passes.

adjustably fixed by thumb screws" 20," 21,[ clamp 22 for applying tension to web-23 H thereunder Leaf spring 24 is interposed between screws 20, 21 and clamp 22,

" Web tension and winding means are carried'bysai d carriage at its upper right hand end on brackets 29580 fixed "by serews32, 82

05 a respectively to carriage cam; 13'; Between I said brackets 29, 30 web tension rods 33 to f 37 are mounted and said rods in'ayrbe pro vided with collarsas 38lfor-gniding the web transversely? Said web'iis reeled onto shaft;

425107 the following means-5 Said shaftjtnrns freely in bearing 43 of bracket 29' and is prevented frorn anti clockwise {rotation by pawl 44 in spring press'ed engagement witlrratchet 45'fi x ed to shaft 42. Turning freely: on saidv 46 is gear 47 Saidfriction disc 'i's'slidabl'y shaft 42 betweenbearing 43 friction disc r keyed-to shaft 42 and isnriged against gear" spring 48.' Sniall electrie motor 49 is carriedby bracket 29' and through suitable reducinggearing drives 'gear 47'.

-'As desoribed hereincarriage-10 his shift abletransversely of platen 5- tocoact-snc Y cessively with two forms on'bed 4 and pin 26 of gripper 15, therefore engages earn 27 atalternate backward niovernents of platenf 5 whereby two impressions ar-e had onweb 23*fo'rjeaeh incremental feecl -there'of. 1 ,494,702, 'to which refer-s I:

When platen 5 swings baolr froin engagement portion from roll-1 40 to that end, the tension pins'33 to 37 andffiiction-on shaft42holding' 'th'e windnpportion of j the'web againstthe pull ofgrippeif 15IifTlien, on the forward noven'oent of platen. f gripp'er l5 descends n tq earriage 1O an'cl'the slack'ofweb' 23'is taken up by the friction driven winding means and said slack is wound ontoshaft 42.

By shifting gripper to bring its transverse arm 50, nearer to or farther from axial 7 lower end of said platen for supporting a roll of web, means for applying .tension. to

said web adjacent the pivotal support of said gripper, means for swinging said gripper on its pivot, relatively to said platen, a

web strapifixed to said platen between said gripper pivot andtransverse arm, under.

, which the web is adapted to pass and web Y said platen, a transverse arm at the free end of said gripper, adapted to support a web passing. thereover, means tor ad usting said,

" gripper relatively to its pivotal support to of said platen.

reeling means carried by the upper portion 2. In web feed for printing pressesthe combination of an oscillating platen, a gripperpivotallymounted at'the lowerend of vary the distance ofsaid arm from said sup-' p0rt,means carried by the lower end of said platen for supporting a roll of web, means for applying tension to said web adjacent the pivotal support'o'f said gripper, means for swinging said gripper on its pivot, rela V tively to said platen, a web strap fixed to said platen between-said gripper pivot, and.

. transverse arm, under which the 'web ;is

adapted to pass'and'web reeling means carried by the upper portion of said platen.

.3.'In web feed for printing presses the combination of an oscillating platen, a gripper pivotally mounted at the lower end of said platen,a transverse arm'at the free end of said gripper, adaptedto support a web passing thereover, means for adjusting said i gripper relatively to its pivotal support to vary the distance of said arm from said support, means carried by the lower end of said platen for supporting a roll-of web, means for applying tension to said web ad jacent the pivotalfsupportot said gripper, means for swinging'said gripper on its pivot, relatively to-said platen,.a web strap fixed tosaid platen between said gripper pivot and transverse arm, under which the web is adapted to pass, web'reeling means carried by the upper portion'of said'platen and web tens on means-between the upper end of said platen and-said: reeling means 4:; 1211 web feed forprinting presses-thecombination of an oscillating platen, a grip per pivotally mounted at the lower end of said-platen, a transverse. arm at the free end,

of said gripper, adapted to support a Web passing thereovcr, means carried by the lower end of said platen for supporting a roll of web, a transverse bar near the gripperpivot, over which the webis adapted to pass, adjustable web tension means on said bar, means for swingingsaid gripper on its pivot, relatively to said platen, frictionally driven web reeling means carried by the upper portionof said platen and 'web tension means between the upper end of said platen and said reeling means. Y

5. In web" 'eed vfor printing presses combination ofan oscillating platen, a gripperv pivotally mounted at the lower end of said platen, atransverse arm at the free end ofsaid gripper, adapted to supporta web jacent the lower end of'said platen, means for applying tension to the web as ltleaves passing thereover, a source of web supply-ad said source'ot supply,.means forswinging said gripper on its pivot,'rel'ativel'y to said platen and web reeling means carried by the upper-portion of said platen; v I

6. In web feed forgprinting presses the combination of an oscillating platen, a grip: per pivotally mounted at thelower endot said platen, a transverse arm at the free end of said gripper, adapted to support a web passing thereover, means for adjusting 1 i said gripper-relatively to itspivotalsupporfi to vary the distance of said arm from said support,a source of web supply adjacent the lower 'end of said platen, means for applying tension to the webv as it leaves said source of supply, means for swinging said.

gripper on its pivot, relatively to said platen and trict-ionally driven web reeling means carried by the upper portion of said platen.

'TQIn web feed for printing presses the combination of an oscillating platen, a gripper pivotally mounted at the lower end of said platen, a transverse arm at the free end of said gripper, adapted [to-support a web passing thereover, means-for adjusting said gripper relatively to 1ts 'pivotal support to vary the distance of said arm fromsaid support, a source of. web supply adjacent the lower end of said platen, m'eansforapplyingtension to the web as itleaves said source of supply, means for swinging said gr pper on its pivot, relatively to said platen, web reeling ineans'carried by the upper portlon of said platen and .web tension means be-- tween the upper end of said platen and' said reeling means. r v '8. In web feed for combination of an oscillating-platen,"acar ,riage mounted for movement transversely of saidplaten, a gripper pivotally mounted at V, the lower end of said carriage, atransverse arm atthe free end of asid'gr ppen'adapted printing presses the to support a web passing'thereover, meansf carried by the lower end offsaid carriage for, supporting a rolllofweb, means for applying- 1 tensionto said Web aiijaeent the pivotal sil'peairied 'byr lthe upper portion 0f said car- 7 pQit of said gripper, means for swinging said riage.

gripper onts pivot, relatively t o said car- 7 1n wiinessfwhereofiWe hereby aflix: our

riage, said gripper swlnging means being signatures this 3rd. dayof June, 1926; 7 l5 operative inane-transverse position'of said cafriage and inoperative-in another trans- V f v LESLIE M. PAGE.

verse position thereof and Web reeling means, LOUIS MEYLACH,

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