US1069764A - Printing-press. - Google Patents

Description

E. 0. GARTW-RIGHT.

PRINTING PRESS.

APPLIOATIOH FILED AUG-17, 190s.

Patented 12, 1913.

9 BEEETS-SEE'BT l.

1 Wihymow E. 0. GARTWRIGHT.

PRINTING PRESS.

APPLIOATION FILED AUG.17, 1909 Patented Aug. 12, 1913.

9 SHEETS-SHEET 2.

10i hwnoea -E. O. OARTWRIGHT.

PRINTING PRESS. APPLIUATION FILED AUG. 17, 1009.

Patented Aug. 12,1913.

9 SHEETS-SHEET 3.

Wbmasoe:

E. O. GARTWRIGHT.

PRINTING PRESS.

ASPLlOATION FILED AUG.17, 1909.

1,069,764., 7 Patented Aug. 12, 1913.

9 SHEETS-SHEET 4.

E. O. CARTWRIGHT.

PRINTING PRESS.

APPLIOATION FILED AUG. 17, 1909.

Patented Aug. 12, 1913,

E. O. GARTWRIGHT.

PRINTING PRESS.

APPLICATION FILED AUG. 17, 1909.

Patented Augf12, 1913.

9 SHEETS-SHEET 6.

III/I m m i IIIIIIIIYIIIIII Ab. Nb i w, Z Z r b 7 Q Q N N x hm I'UNWN r w H I IIIIIIIIAIL W W 1 U a w F IHIIHIIIIITHZ N E k I a 1: 1: w x n 1 3Q .65 k

damn,

E. O. GARTWRIGHT.

PRINTING PRESS.-

APPLICATION FILED AUG. 17, 1909.

Patented Aug. 12, 1913.

LGEQEFGQ.

E. O. GARTWRIGHT.

PRINTING PRESS.

APPLICATION rum) AUG. 17, 1900,

1,069,764. Patented Aug. 12, 1913.

9 SHEETS-SHEET a.

o l'nventozc E O. OARTWRIGHT.

PRINTING PRESS APPLICATION FILED AUG. 17,

entrain.

ERNEST 0. CARTWRIGHT, OF SPRINGFIELD, OI'IIQ, ASSIGNOR; BY MESNE ASSIGN- MENTS, TO JAMES'MQGUNNEGLE, OF NEW' EIGELK, N. Y.

PRINTING-PRESS.

To all whom it may concern:

Be it known that I, ERNEST O. CART- WRIGHT, a citizen of the United States, residing at Springfield, in the county of Clark and State of Ohio, have invented certain new and useful Improvements in Printing-Presses, of which the following is a specification, reference being had therein to the accompanying drawings.

This invention relates to printing presses, and is in the nature of an improvement upon the printing press shown and described in Patent No. 926,851 granted to me July 6," 1909. The press therein disclosed comprises a normally stationary platen and a combined form-bed and inking drum inovable toward and away from said platen in a plane extending at substantially right angles to the working face of said platen.

The object of the present invention is to provide such a press in which the inking drum will be capable of movement transversely to the line of reciprocatory movement of the combinedform-bed and inking drum; in which such movement will be imparted to the inking drum by the reciprocation of said combined form-bed and inking drum: which will have a revolving ductor roller to transfer the ink from the ink fountain to the inking drum; in which said ductor roller will have a resilient contact both with the fountain and with the inking drum; to provide an ink fountain having a feeding roller to cooperate with said revolving ductor roller and having an adjustable feed, which feed is normally closed.

A further object of the invention is to provide an adjustable throw-off for the platen, whereby the platen can be adjusted relatively to the form-bed to accommodate Application filed August 17, 1909.

the same for usewith materials of varying thicknesses; and toenable the same to be moved out of and into its operative position without affecting said adjustment; nil further, to simplify and strengthen the con- V struction of the press as a whole.

Withthese objects in view my invention consists in certain novel features and in certain combinations and arrangements of Patented Aug. Serial no. 513,252.

parts hereinafter to be describeiand then more particularly pointed out in the claims.

In the accompanying drawings, Figure l is an elevation of one side of the machine; Fig. 2 is an elevation of the side of the machine opposite that shown in Fig. 1; Fig. 3 is a longitudinal, sectional view taken ust inside the side member of the main frame on that side of the machine shown iii F ig. 1; Fig. i is a vertical, sectional view, taken transversely of the machine on the line a; m of Fig. 1; Fig. 5 is a transverse, vertical section taken on the line y y of Fig. Fig. 6 is a longitudinal, horizontal sectional view of the inking drum and form-bed and its operating mechanism; Fig. 7 is a sectional, detail view taken transversely of said fornibed and inking drum; Fig. 8 is a detail view of the cam actuated mechanism for the ink ing drum; Fig. 9 is an end elevation of the combined inking drum and fornnbed showing the operating devices for the inking rollers; Fig. 10 is a side elevation of what is shown in Fig. 9 Fig. 11 is a detail view of one of the slide blocks for the inking rollers; Fig. 12 is a horizontal, sectional view of the ductor roller and its operating mechanism; Fig. 13' is adetail view of the v sprocket wheel for actuating the feed inechanism; Fig. 14 is a detail view of one of the arms carrying the ductor roller; Fig. 15

atransverse, sectional view of the ink fountain; Fig. 16 is a side elevation of the throw-off mechanism; Fig. 17 is a detail view of the same; Fig. 18 is a sectional, de tail view of said throw-oil mechanism; and Fig. 19 is a sectional, detail view of the controlling device for the feed roller and the inking drum.

In these drawings I have illustrated one embodiment of my invention and have shown the same comprising a substantially horizontal mainframe consisting of the side members 1 connected one to the other by the end members This frame Each of the side members 1 of the main frame is formed with an elongated opening 5, in each of which is mounted a slide block 6. Each opening 5 is preferably provided at its upper and lower edges with adjustable gibs 7 which form the slideways for the slide blocks 6..

Mounted within the main frame and carried by the slide blocks 6 is a combined form-bed and inking drum, which, in the present construction, consists of a frame or carriage 8 which carries both the formbcd and the inking drumi This frame 8 is provided at each end with trunnions 9 which extend through the slide blocks 6 and are rigidly secured thereto in such a manner as to prevent any movement of the frame or carriage 8 relatively to said slide blocks. A shaft 10 extends longitudinally of the frame 8, through the trunnions 9 and projects ashort distance beyond the trunnions at each side of the main frame. The shaft 10 has connected thereto on each side of the main frame a pitman 11, each of said pitmen being connected at its oppositesend to a wrist pin 12 carried by a gear 13. The gears 13 are mounted on the outer ends of a shaft 14- which is journaled in bearings 15 mounted in the side members 1 of the main frame and projects a short distance beyond the outer sides of said main frame to receive said gears. A second shaft 16 is mounted in bearings 17 arranged in the side members 1 of the main frame and provided with pinions 18 which are rigidly secured thereto and which mesh with the gearslii. The shaft lG extends some distance beyond the pinion 18 at one side of the main frame and has mounted thereon a drive wheel 19 which is connected to any suitable source of power. In the present instance I have shown the drive wheel as a belt wheel which is driven by means of thebelt 20 from a-motor 21 which is mounted on the main frame.

The forn'i-bed may be secured to the frame 8 in any suitable manner, but, in the present instance, I have formed the carriage or frame 8 and the form-bed in a single piece, this bein g accomplishedby providing the frame or carriage 8 with a flat front face, as shown at 2Q; which is arranged parallel with the platen.

The inking drum is formed separately from the carriage or frame 8 and is so mounted thereon as to be capable of a vibratory or reciprocating movement transversely to the direction of the reciprocatory movement of'the frame 8. The inking drum or distributing plate may be of any suitable construction and a vibratory movement may be imparted thereto in any suitable manner, but I find the construction herein shown a very satisfactory one. In this construction the inking drum, which is shown at 23, is substantially semicircular in cross section and is provided at its edges with inwardly extending flanges or guides 24 which are slidably mounted in guideways 25 formed in the upper and lower faces, respectively, of the carriage or frame 8. The inking drum is somewhat shorter than is the frame or carriage-8 and is, therefore, capable of a sliding movement relatively to that frame or carriage. This vibratory or reciprocatingmovement may be-secured in any suitable manneiybut I prefer to secure this movement from the reciprocation of the combined form-bed and inking-drum. To this end 1 have provided one end of the frame and the slide block 6, which supports that end of the frame, with alined openings in which is slidably mounted an actuating bar 26 having its inner end rigidly secured to an arm or bracket 27, which, in turn, is rigidly secured to thevibratory inking drum. The opposite end of the actuating bar 26 extends beyond the slide block 6 and has rigidly secured thereto a collar 28 having a depending projection 29 on which is mounted a roller 30. The roller 30 fits within a cam slot 31 formed in the upper portion of a block or plate 32, which is rigidly secured to the main frame, preferably by casting the same integral with the lower gib 7. This cam slot/ has a double curve and as the frame 8 reciprocates within the main frame, the projection 29 traveling in the cam slot 31 will impart two complete vibrations to the vibratory drum for each movement of the frame 8. Obviously, however, the construction and arrangement of this operating means may be varied and the number of vibrations, which are imparted to the inking drum during each reciprocation of the frame 8, may be varied to meet existing conditions.

The arrangement of the inking rollers and the manner of actuating the same is sub stantially thesame as that shown and described in the above mentioned patent, and consists of a plurality of rollers so mounted as to revolve about the inking drum and across the face of the form carried by the fornrloed. To this end the frame or carriage 8 is of a length slightly less than the distance between the inner sides of the two slide blocks (land is provided between each end thereof and the adjacent slide block with a trunnion or annular bearing surface 33,

which is preferably formed integral with the frame. Rotatably mounted on the trunnion or bearing surface 3 3 is a plate 34- having a' bearing 35 which extends about the trunnion 33 and which has rigidly secured thereto, near,

the outer edge thereof, a sprocket wheel 36. There is a plate 34 at each end of the frame or carriage 8 and each plate has a plurality of slots or guideways 37 which are arranged substantially radially and in each of which is nOunted an elongated slide block 89 having grooves in its opposite sides toengage Li I I Bit O! a \l the walls of the slot and guide the slide block therein.

it bearing aperture is rollers li, of which The opposite or outer end .i 39 s a projection or pin iereitrom on the side Tier. it. coiled spring connects-u to the pin or proits opposite end connected to o} non 38 carried hy the plate ngcinentof the spring is LO move the slide block and, eonseouently, the end of the roller shaftll, whic rd rig drum and form-bed. it p I ierefore, that as the plates d carry the inking rollers about 'ned, form-bed and inking drum, will accommodate themselves to of i m-bed or drum and he ink from the inking drum abuts the same evenly over the The inward movement of the i rollers is limited and controlled by rs or casters which are mounted upon each end of the shaft ll. of each inking roller 42 and which travel upon suitable tracks extending about the frame or carria These tracks are prefu'ably formed annular members r plates 47 which are tired to the ends of the frame or carriage 2: and here their edges arranged substanparallel with the inking drum and l spaced such a distance therei 'irt the inking rollers in iper engagement witl'r the inking drum and form-bed. Mo i'ement is imparted to the plates which carry the inking rollers, by means of sprocket chains 48 extending about the sprockets 36 which are rsecured to the bearings 85 of said plates and about other SplGCl IQtS it which are eccentrically mount ed on the shaft 14 which carr the driv- 13, The eccentricitv of the such as to maintain the ed, the plates may be nsverse rods d9 to maintain d relation one to the oilu-r. ble ink fountain is mounted in the portion of the main frame and prefer- "usists of two end members or plates e mounted upon a. rod 51 which the lower portions of the ="supported at its opposite members 1 of the main Mn-Hi portions l the plates on a shaft- 62 which is rings 53 formed in the side main frame. h'lounted bemembers or plates is a ends in the s rume.

50 are si journnled 1 members 1 tween the (ii-1d mounted therein, inwardly, 2'. 6..

frame comprising vertical members and 55. Supported above the frame comprising the members 5d and 55 is a forwardly inclined plate 56 which forms the bottom of the ink receptacle and has its lower edge bearing normally against a feed roller 57 which is carried by the shaft 52. in order to maintain the plate normally in engagement with this roller the plate is formed of resilient material and is so arranged that the lower edge thereof, when free, will move into engagement with the roller and thereby out off the supply of ink. 7

Means are provided for moving the lower edge of the plate 56 away from the roller 57 a distance sutlicient to feed the desired amount of ink, and, to this end, the forward edge of the plate 56 is provided with a depending flange 58 having a series of openings therein adapted to receive the forward ends of a series of rods 59 which extend through openings near the upper edges of the upright plate 54 and through slots 60 in the upright plate 55, the rear end of each of the rods or bolts 59 being provided on the inside of the plate 55 with a fixed washer 61 and on the outside of said plate 55 with a thumb screw 62. Thus, it will be seen that the rods 59 fulcrum on the plate 54 and that the adjustmentof the rear ends of said rods in the slots 60 will cause the forward ends of the rods to move the lower edge of the plate 56, forming the bottom of the fountain or ink receptacle, toward or away from the roller 57, thereby not only enabling the amount of ink fed to the forms to be regulated, but also enabling different amounts of ink to be fed to diflerent portions of the forms. It will also be observed that should the thumb screws, or other fastening means, for the rods 59 become loosened by the jar of the machine, the lower edge of the plate 56 will move int engagement with the feed roller 57 and thus automatically cut off the flow of ink and prevent the flooding of the forms.

The feeding of the ink from the fountain is controlled by the rotation of the roller 57 and means are provided for interrupting the rotation of this roller without stopping the machine, and, to this end, I have mounted in one of the side members 1 of the main frame a screw-threaded plug 63 which is provided ml its outer end with a milled nut 64- and has its inner end extending beyond the inner side of the frame member and provided with a bearing lug or trunnion (35, adapted to enter a recess 66 formed in the adjacent end of the shaft 52. In the opposite frame member l of the main frame there is journaled a short shaft (57 which extends beyond the opposite sides of the frame member, is provided on its inner end withvan enlarged head to hold the same against longitudinal moveg e Md is elefil blv"lcennectedntet the shaft 52 of the feed roller 57. The outer end of the short shaft 67 has rigidly secured thereto a disk or plate 68 in which is slidably mounted a pin (it). A. sprocket wheel 70 is rotatably mounted on the shaft (37 between the disk 68 and the main frame. This sprocket wheel has rigidly secured thereto a pin 71. The pin (39 is slidably mounted in the plate 08 and when its inner end is moved beyond means, in the present instance, consists of a,

lever 72 havingone end pivotally connected to theplate 68 near the outer edge thereof,

shown at 73, and its inner end located substantially centrally of the shaft 52 of the feed roller. and provided with asuitable handle 74. The lever 72 has formed therein, between its opposite ends, a slot 75 adapted to receive a pin or projection 7 6 secured to the outer end of the pin 69, whereby the movement of thelever 7 2 about its pivotal center will move the pin 69 into or out of the path of the pin 71L The pin 69 is preferably provided with two or more notches 77 adapted to be engaged by a pawl 78, carried by the plate 68, to hold the pin in its adjusted position until the lever 72 has'b een actuated. Thus, it will be observed that the means for connecting and disconnecting the feed roller from the driving mechanism can be readily operated from the outside of the machine and that, by arranging the handle in the axis of rotation of the shaft carrying the feed roller, this handle will remain substantiallystationary, and inasmuch as the outer portion of the lever carrying the bandle lies close to the plate 68, this operating mechanism presents but a small amount of projecting surface which might be dangerous to the operator when the machine is being driven at a high rate of speed.

A sultable ductor roller is provided for transferring the ink from the fountain to the in ing drum, and, in order to secure the most satisfactory results, I prefer to employ a revolving ductor roller. To this end a shaft 80 is journaled in the side members 1 of the main frame at a point substantially midway between the feed roller 57 of the fountain and the inking drum 23. Rigidly secured to the shaft are two arms 81. which carry aductor roller 82, which is rotatably supported at the outer ends thereof. It is desirable that the support glor the ductor roller should be resilient in order that a yielding pressure may be exerted upon the feed rtller and the inking drum and also that it should be adjustable to permit the adjustment of the ductor roller relatively to its cooperating parts. To this end each of the supporting arms 81 is provided at its forward end with a bearing 83 and has arranged between the bearing 83 and the shaft 80 a laterally extending web 84 which terminates short of the bearing 83. A lever is pivotally mounted on the bearing 83 and has a depending portion 86 in which is journaled the adjacent end of the shaft 87 of the 'ductor,. roller 82. The body portion of the lever extends above and substantially parallel with the web 84 of the yond the same. A spring 89 is coiled about that portion of the bolt 88 which lies beyond the web 84 and is confined between the web and a nut 90 screw-threaded ,on the end of the bolt. The tension of this spring tends normally to draw the end.v of the lever 85 toward the web Stand thereby move the ductor roller 8) away from the shaft. This inward movement of the lever 85 is limited, however, by means of a set screw 91 which is screw-threaded into the web Sal and is locked in position therein by means of a jam nut 92. By means of the resilient support for the roller 82 a longer wipe or contactis secured with both the feed roller 57 and the inking drum, thus spreading the ink over a larger portion of the ductor rollerit receives the same from the feed roller and then spreading the same over a still larger surface of the inking drum, and, by means of the set screw 91, the amount of pressure exerted upon the roller, and, consequently, the length of the contact, may be adjusted. The resilient support for the duetor roller also serves to absorb the shock incident to the contact betweenthe ductor roller and its cooperating parts when the machine is being operated at a high rate of speed. It will also be observed that by employing a rotary feed roller in connection with the revolving ductor roller the period of contact of the ductor roller andfeeding roller is materially lengthened and the friction between these parts eliminated. thereby producing an easily operated device having a high degree of efiiciency.

Movement maybe imparted to the shafts and 80 in any suitable manner, but I pre fer to provide each of these shafts at one end with a sprocket wheel, 70 and 94, respectively, about which extends a sprocket chain 05 which also extends about, a sprocket wheel 96 mounted on the shaft 14 between,

' ing wheel 19, as, in this manner, the driving mechanism is arranged on one side of the machine and the opposite or outer side of the machine is kept comparatively free from moving parts.

in the operation of the machine it will be apparent that the ink is carried from the fountain'on the surface of the feed roller 57; that this roller is engaged by the ductor roller whichremoves a portion of the ink from the face of the feed roller and transfers the same to the surface of the inking drum; that, as the inking rollers pass over the inkino' drum, they remove a portion of the ink therefrom and distribute the same over the face of the form carried by the fornrbed; and that the vibratory movement of the inking drum, while the inking rollers are in contact therewith, serves to distribute the ink evenly over the lengthand circumference of the inkingrollers and thereby cause the same to he applied evenly to the form.

.ls above stated, the normally stationary pl atcn 4 is mounted on the forward portion of the machine with its working face arranged at substantially right angles to the line of movement of the combined form-bed and inking drum. This platen is designed for use with a machine operating either as a hand fed press or an automatically fed press, and, to this end, the platen 1 is loosely mounted on a shaft 193 supported in the op posit side members 1 of the main frame and is provided with means for automatically moving the same about its pivotal center on said shaft, when it is desired to use the. press as a hand fed press. To this end I mount on one side of the platen a guide 194- and mount a similar guide 195 on the corresponding side of the frame at a point near and preferably directly beneath the guide 101.. An arm 196 is detachahly secured to the slide block adjacent; to the guides 194: and 195,: this arm being attached, in the pr ent iiistance, by means of a removable lam 19- which forms a pivotal support for the s acent end of the arm. The arm 196 nt between the guides 19 1 and 195 and its upper and lower edges dive 'ging toi 1 that end of the armopposite the point of connection to the slide block. Thus, it will be apparent that when the arm 1% is connected to the slide block and the slide.

block moved away from the platen, the di verging edges of the arm 196 will force the guides 104- and 195 apart, and, inasmuch as the guide 195 is fixed on the main frame, the guide 19 and the platen, to which it is sepaper can be readily fed thereto.

cured, will be moved upwardly and the platen raised to a position in which the As the guide blocks move toward the platen the diverging or wedge-shaped end of the arm 196 is moved from between the guides and the platen permitted to resume its normal position. Suitable adjustable'stops 98 are provided, to limit the downward movement of the platen and to maintain the same in true parallelism with the form-bed. When it is desired to operate the press as an auto matically fed press the arms 196 are detached from the slide blocks 6 and the' aper carried from a web 99, supported lieneath the main frame, over the face of the platen and through the automatic feeding mechanism 100 which is supported upon a frame 101 movably mounted upon the forward portion of the main frame and adapted to be moved toward the rear of the press when it is desired to operate the press as a hand fed press. This automatic feeding mechanism forms no part of the present invention and is, therefore, not shown or described in detail. The driving mechanism for the automatic feed is here shown as a sprocket chain 102 extending about a sprocket 103 mounted on the outer end of the shaft 80. In order that the operation of the feed mechanism may be stopped and started as desired asuitable clutch mechanism is provided, and, to this end, the sprocket wheel 103 is loosely mounted upon a bearing block which is rigidly secured to the outer end of the shaft 80 and has slid ably mounted therein a pin 105. The end of the shaft is also provided with a longitudinal socket or recess 106, in which is slidably mounted a rod 107 having at its outer end a handle 108. This rod is provided near its inner end with a recess 109.- When the rod 107 is in its innermost position the pin 105 will be in its outermost position and will engage a notch 110 in the sprocket Wheel 103. When the rod 107 is moved to its outermost 109 and the outer end of said pin will be moved out of the notch 110, thereby leaving the hearing 104: free to rotate independently of the sprocket 103.

It is desirable that means should be, pro vided to permit of the platen being moved beyond the forward limit of movement of the form-bed, whereby the printing may be interrupted without interrupting the oper-* ation of the press; and also that means should be provided wherebythe platen may he adjusted relatively to the form-bed to adapt the same for use with materials of various thicknesses, and that this adjustment should he of such a character that it will not be affected by the throwing oil of the platen, but that, when the platen is returned to its operative position it will occupy a predeposition the pin 105 will drop into the recess To accomplish this end I provide an eecentric bearing for the shaft 193, upon which the platen is loosely mounted, preferably by means of a forwardly extending portion having a bearing sleeve 111 which is journalcd on the shaft 193, thereby enabling the platen to be moved into and out of its I position in alinement with the form-bed. p

without moving the shaft relatively to its bearings. In order that theshaft 193 may be caused to move in alinement with "or parallel to the plane in which the form-bed moves, I have provided the side members 1 of the main frame each with an opening 112, within each of which openings are mounted two boxes or bearing blocks 113 and 114:. The innermost bearingblook or box' 113 is mounted on the shaft 193 and is held against vertical movement, but is capable of a certain amount of movement longitudinally of the frame. This box is provided with an inwardly extending boss 115, upon which is mounted a plate 116, the face'of which is flush with the end of the boss 115, and which isheld in position by the sleeve 111 of the platen. This plate serves to retain the box 113 in position and to close the opening beyond the"edges of said box. The second box 114 is mounted in the main frame in front of the box 113 and is held against longitudinalmovement, but is capable of a certain amount of vertical movement. The box 114 is provided with an aperture adapted to receive a collar or bearing ring 117 which is fixed therein. This bearin ring is provided with a bearing aperture a apted to receive a second bearing ring 118 which has an eccentrically arranged aperture adapted to receive the shaft 193, which is rigidly secured to theibearing ring 118 by means of a key 119, whereby the shaft and the eccentric bearing ring are caused to rotate in iinison. The opening in the outer bearing ring 117 is slightly eccentric and this ring is provided on its edge, for a por tion of its circumference,- with teeth 120.

The outer bearing ring 117 is adjusted, when the press is set up, to bring the platen into the desired position and it is then looked in that position by means of a pin or key 121 which engages between two of the teeth 120 and a recess in the bearing block 114:. Onecnd of the shaft 193 extends slightly beyond the bearing block 114- and has mounted thereon a plate 122 corresponding to the plate 116 on the opposite side of the' frame member. This plate is held against rotation with the shaft by means of a pr0- jection, such as a bolt head 123 carried by the main frame and adapted to enter a horizontal slot 12a formed in the inner face of the plate 122, thus permitting the plate to fit snugly against the frame member 1 and prevent any lateral movement on the part of the bearing boxes and eccentric rings, but holding the plate against rotary movement. The slot 124 is of sufficient length, however, to permit of a certain amount of movement of the plate 122 relatively to the projection or bolt head 123, thereby enabling the plate to travel back and forth with the shaft 193. A second late 125, of less diameter than the plate 122, is. rovided-with an inwardly extending projection 126 adapted to enter a transverse recess or slot 127 in. the end of the shaft 193 and thereby secure the plate 125 to the shaft- 193 in such a manner that the shaft is caused.

into a screw-threaded opening in the end of the shaft 193. The intermediate plate is provided with a handle 130, by means of which it can be rotated, thereby rotating the shaft 193 and the eccentric-bearing ring 118 and moving the shaft and the platen carried I thereby either forward or rearwardaccord ing to the direction of movement of the handle 130.

When the platen has been adjusted to the desired position relatively to the form-bed the bolt 129 is tightened down, thereby clamping the plate 128- tightly upon the plate 125 and preventing any movement of f said plates relatively one to the other. The

outer plate 128 has a forwardly extending portion which terminates some distance be yond the edge of the intermediate plate A latch 131 is pivotally mounted between its ends on the projecting portion of the plate 128 and preferably near the lower edge thereof. This latch is provided near its upper end with a projection or lug 132 adapted td enter a recess 133 formed in the periphery of the plate 122. The plate 128 is also provided with a depending arm13 1- and a spring'135 is compressed between the arm 134 and the lowerend of the latch 131 and tends to hold the stop 132 in. the recess 133. A second lever, or operating handle, 136 is pivotally mounted at its lower end upon the projecting portion of the plate 123. This handle is preferably located between the latch 131 and theplate 128 and is mounted to move about the same pivotal center with the latch 131, as shown at 137. The handle 136 is provided near the upper end of the latch 131 with a projection or lug 138 adapted to engage the upper portion of the latch when the handle is moved forwardly about its pivotal center. The movement of the parts connected thereto, will be held against rotation and the platen will be held against all. movement toward or away from the form-bed. \Vhen it is desired to throw off the platen the handle is moved forwardly.

The first portion of the movement of the handle moves the-latch about its pivotal center a distance suflicient to withdraw the stop 132 from the recess 133, thereby releasing the plate 128 from the plate 122 and enabling the same to be rotated. ..The further movement of the handle 136'br'1ngs the same into engagement with the stop"139 on the plate 128 and causes that were rotated, thereby rotating the shaftand its eccentric bearing a distance sufiicient to move the platen beyond the forward limit of movement of the form-bed. W'he'n it is desired to again resume the printing'the handle is moved rearwardly and brought into engagement with the stop 140, thereby causing the plate 128-to be moved in theopposite direction. hen the platen reaches its normal position the stop 132 will automatically enter the recess 133 and lock the plate 128 against further movement.

It will be apparent that the operation of the throw-oil will not in any way affect the adjustment of the platen relatively to the fhrmdied and that, after the throw-oif has been operated to move the platen out of and then into its operative position, it will occupy exactly the same position relatively to the form-bed that it did before the throwoff was operated. It will further be ap parent that by mounting the platen Tolosely upon the shaft 193 the movement of the platen about its pivotal center to bring the same into and out of alinement with the form-bed when the press is being operated as a hand fed press will not in any way' affect the eccentric bearings, inasmuch as the shaft remains stationary. 'Consequently, the adjustment of the bearings and the platen will not beinterfered with.

The operation of the press Will be readily understood from the foregoing description and it will be apparent that I have provided a press comprising a normally stationary platen and a combined form-bed and inking drum reciprocating in a plane extending at substantially right angles to the platen and having the inking drum movably mounted, whereby a vibratory move mentmay be imparted thereto. This vibratory movement enables the ink to be distributed uniformly over the face of: the

inking drum and on the inkine rollers without the necessity of vibraxi the inking rollers, and, consequently, it is not neces sary to provide space in which to more the plates or carriers for these rollers and it is possible to mount the frame which carries the form-bed and inking drum close to the side members of the main frame and to their su iiporting trunnions, and, in this manner, materially lessening the probability of the parts springing or be' out of adjustment under heavy s i Will further be apparc t that the constzmction is a very economic one, has a high degree of efficiency and is little liable to accident to the inking rollers. it will also be apparent that l have pr vided means whereby vibratory movement is imparted to the inking drum by the reciprocation of the 1 frame which carries the same,

Further, it have provided a revolving ductor roller which is rotatably mounted in esilient arms and by this means I largely eliminate the noise and shock incident to the operation or. the ductor roller, and. also am enabled to secure a longer contact. between the duetor roller and the inlni drum and between. the ductor roller and the roller of the ink fountain, and I have also made this contact adjustable so that the desired amount of pressure may be exerted on the ductor roller while thesaniie is in contart with its cooperating I have also provided an adjustable, norinaliy clo ink Fountain havingacontinuously moving feed seller at its forward end hich cooperates with therevolving ductor roller is ransfer the ink to the inking drum. the constant rotation of the feed roller the int: supply is maintained always in cont the feed roller and oes not retpas is necessary with. the intenni ing devices, and, by so fountain that it is normally closed, vent any possibility of flooding should the adjusting devices f r tain be loosened. Further, it 1:' vidcd means for adjusting the plat tively lo the form-bed to accommodate the same to materials of varying\ 'hicknessesand have so arranged the throw-off mechanism that the same can be operated w' 1 a fleeting this adjustment and mounted the platen upon, the. supporting, shaft that the movement of the platen. into and out of alineinent with the forin-bed will not a fleet the adjustn'ient of the bearings for the shaft. And further, have so constructed and arranged the several parts ot the press as to simplify and strengthen the same as a whole and increase ilsetiiciency.

I wish it to be understood that i do not desire to be limited to the details of construction shown and described, for obvious sed lit?

CIR

modifications will occur to a person skilled in the art.

Having thus fully described my invention, what I claim as new and desire to secure by Letters Patent, is

'1. In a-printing press, the combination, with a platen, a form-bed reciprocable in substantially a right line toward and away from said platen, and an inking drum connected to and movable with said form-bed and also movable relatively thereto, of means for imparting a vibratory movement to said inking drum simultaneously with each movement of said form-bed toward or away from said platen.

2. In a printing press, the combination, with a platen, a form-bed movable toward and'away from said platen,-and an inking drum connected to and movable with said form-bed, of means actuated by each movement of said form-bed and said inking drum either toward or away from said platen for imparting a vibratory movement to said inking drum simultaneously with such movement.

3. In a printing press, the combination, with a platen, a form-bed movable toward and away from said platen, and an inking drum connected to and movable with said form-bed and also movable relatively to said form-bed, of a fixed cam, and a connection,

between said 'cam and said inking drum, whereby the movement of said inking drum with said form-bed will impart movement to said inking drum relatively to said formbed. a I

A. In a printin press,- the combination, with a main fram a platen mounted there in, a cz'u'riage mounted on said main frame and carrying a form-bed movable in aright line toward and away from said platen, and an inking drum mounted on and movable with saidcarriage and also movable relatively thereto, of means for imparting a vibratory movement to said inking drum simultaneously with each movement of said carriage toward or away from said platen.

In a printing press, the combination,

with a main frame, a platen mounted on said main frame, a carriage mounted on said main frame, movable toward and'away from said platen and carrying a form-bed, and an inking drum mounted on and movable with said carriage and also movable relatively thereto, of a fixed cam mounted on said main frame, and a connection between said cam and said inking drum, whereby the movement of said inking drum with said carriage will impart movement to said inking drum relatively to said carriage.

G. In a printing press, the combination, with a main frame, and a platen mounted therein, of a carriage slidably mounted in said main frame, a form-bed carried by said carriage, an inking drum movably mounted on said carriage, a fixed cam plate carried by said main frame, and an actuating member secured to said inking drum and operativcly connected to said cam plate.

7. In a printing press, the combination, witha main frame,-a platen mounted in said main frame, and slide blocks mounted in said main frame, of a carriage mounted on said slide blocks, a form-bed mounted on said carriage, an inking drum movably mounted on said carriage, a plate secured to one side of said main frame and having a cam groove therein, an act-uating rod secured'to said inking drum and extending through one of said slide blocks, 'and a part carried by said'actuating rod and adapted to enter said earn groove.

8. In a printing press. the combination, with a main frame, a platen mounted in said frame, a form-bed mounted in said with a main frame comprisi g side mem here, a platen mounted in sai main frame, a form-bed mounted in said main frame and movable toward and away from said platen, an inking drum connected to and movable with said form-bed, and inking rollers arranged to revolve about said inking-drum and said form-bed, of means carried by one of the side members of said main frame and operatively connected to saidinking drum for moving said inking drum transversely to the direction of movement of said form-bed.

10. In a printing press, the combination, with a frame, eccentric rings rotatably mounted on the opposite sides of said form-bed, of means for actuating said eccentric rings to adjust said platen relatively to said form-bed, means for locking said actuating means against movement, and other means for actuating said eccentric rings to move-said platen into and out of its operative position without afiecting said adjust ment.

111 In a printing press, the combination,

with a frame, eccentric rings rotatably mounted'on the opposite sides of said frame, a shaft mounted in said eccentric rings, a

platen mounted on said shaft, and a form- I bed adapted to move in a plane extending at a right angle to the face of said platen,

of means for actuating'said eccentric rings frame, a shaft mounted insaid eccentric I rings, a platen mounted on said shaft, and a absence tuating said eccentric rings to move said platen into and out ofi-ts operative position without affecting said adgustment.

' 12. In a printing press, the combination,

I with a main frame,cccentric rings rotatably supported by said frame, a shaft mounted in and rotatable with said eccentric rings, a] platen form-bed said platen, of means for rotating said ec centric rings and said shaft to adjust said shaft and said platen relatively to said form-bed, means for locking said parts in their adjusted positions, and means for moving said platen about said shaft.

In a printing press, the combination), with a main frame, eccentric rings j ournaleil, in the opposite sides thereof, a shaft mounted in said eccentric rings and rigidly secured thereto, a platen shaft, and a formbed movable towardland away from said platen, of a member rigidly secured to said shaft and adapted to rotate said shaft and said eccentric rings to adjust said platen relatively to said form-bed, a second member, means for rigidly securing said second member to the first-mentioned member after said first-mentioned member has been adjusted, and means for actuating said second member to rotate said shaft and said eccentric rings to move said platen into and out of its operative position.

i l, "In a printing press, the combination, with a main frame, eccentric rin s j ournaled the opposite sides thereof, a s aft mounted in said eccentric rings and rigidly secured thereto, a platen journaled on said shaft, and a form-bed movable toward and away from said platen, of a plate rigidly secured to the end of said shaft and adapted to be rotated to rotate said shaft and said eccentric rings, a second plate supported adjacent to said first-mentioned plate, means for rigidly securing said plates one to the other, means for moving said second plate to actuate said haft and said eccentric rings, thereby moving said platen into and out of its operative position, and positive means for limiting the movement of said second plate.

15. In a printing press, the comoination, with a main frame, eccentric rings journaled in the opposite sides thereof, a shaft mounted in said eccentric rings and rigidly secured LO, a platen journaled on said shaft, d a form-bed movable towardand away from said platen, of means for actuating said shaft and said eccentric rings to adjust said platen relatively to said form-bed, a plate connected to one end of said shaft, a

latch carried by said plate, a part carried by loosely mounted on said shaft, and a movabletoward and away from;

ournaled on said ,shaft to adjust form-bed, a second plate supported beyond the main frame and adapted to be engaged by said latch to lock said plate in a predes termined position, and a handle pivotally mounted on said plate and adapted .to actuate-said latch to release the plate whereby said plate may be rotated and said shaft and said eccentric rings actuated to move said platen into an inoperative position.

' 16. In .a printing press, the combination, with a main frame, eccentric rings journaled in the opposite sides thereof, a shaft mounted in said eccentric rings and rigidly secured thereto, a platen journalcd onsai shaft, and a form-bed movable toward and away from said platen, of iileans for/actuating said shaft and said eccentric rin s to adjust said platen relativelyto-said ormbed, a plate rigidly connected with said shaft, a part carried by saidframe and having a notch therein, a spring-pressed latch pivotally mounted on sand plate all d having a projection adapted to enter said notch, a

mounted on said plate, a projection carried by said lever and adapted to engage said latch to release the same from the main frame, and a part carried by said lever pivotally plate adapted to be enga'ged by said lever, I

whereby the further move'n'e'nt of said lever will rotate said plate. I a

17. In a printmg press, the combination with a main frame, eccentric rings journaled in the opposite sides thereof, a shaft mounted in said eccentric rings and rigidly secured theieto, a platen journaled on said shaft,

and a form-bed movable toward and away from said platen, of a plate mounted on the outer end of said shaft, held against rotation but free to move longitudinally of said frame and having a notch in the edge thereof, L disk lying beyond said plate and rigidly tecured to the outer end of said shaft, means for rotating said disk and said said platen relatively to said said disk, means for rigidly connecting said plate and said disk one to the other, a

spring-pressed latch pivotally mounted on the first- I ment of said lever will rotate said plate,

thereby actuating said shaft and said eccentric rings to mov e its operativeaposition.

the platen into and outofa 18. In a bed and platen printing press" the combination, with aframe, a platen land a form-bed both mounted in said frame, one. A

of said parts being normally fixed against movement and the other of said parts being slidably mounted in the framev to move toward and away from said fixed part, of an inking drum movab1e transversely to the line of movement oisaid movable part,' and means actuated .by the movement of said movable part toward. or away from said fixed part .for imparting a complete reciprocation to said inking drum.

In testimony whereof, I affix my signature in presence of two witnesses.

ERNEST O. CARTWRIGHT.

Witnesses:

' F. W. SCHAEFER,

HARRIET L. 'HAMM4KER.

Images