US1472898A - Inking mechanism - Google Patents

Description

Nov. 6, 1923. I .1,472,898

J. R. BLAINE l INKING MECHANISM lziled Aug. 17. 1921 Pm55@ @@MQM? Mini:

CFI

1,472,898 I o mcs.

- Josnrnn. BLAINE, 0I` CHICAGO, ILLINoIs, AssIeNoa rc NIERLE PRINTING PRESS AND MANUFACTURING CoIvIeANmpor CHICAGO, ILLINOIS, A CORPCRATICNCF ILLINOIS.

INKING- MECHANISTII.

To all 'whom z't may concer/rt.' Y

Be it known that I, JOSEPH R. BLAINE, a citizen of the United States, residing Vat Chicago, in the county of Cook and State of Illinois, have invented certain new and useful ImprovementsY in nking Mechanism, of which the followin is a specification.;

This invention re ates to printing presses,

and more particularly to inlring mechanism` therefor.

One object of the inventioniis to simplify and improve mechanism for transferring ink from the ink fountain to the inking rolls whereby the ink may be conveyed and distributedA in a manner to meet the require-I ments for' good printing.

Another object is to provide a simple, efficient and durable arrangement whereby the ink transfer rolls may be automatically withdrawn, applied and positioned with respect to inliing rolls. Y

These and other objects are accomplished by means o-f the arrangement disclosed on the accompanying sheet y of drawings, Vin

Figure 1 is a fragmentary side elevation of a printing press embodying my invention;vand, Y Y

Figure 2 is a' fragmentary end elevation of some of the parts shown in Figure 1.

The various novel features of my invention will be apparent from the follo-wingdescription and drawings and willV be particularly pointed out in the appended claims.

Referring to the figures of the drawings, it will be noted that I have disclosed my invention in connection with a printing press having a frame 10, in which a plate cylinder 11'is revolubly mounted. Cooperating with vthe plate cylinder 11 'are inkingrolls 12, vibrating rolls 13 and rider rolls 14. Ink is ultimately conveyed to the inlring rolls from a fountain 15 by a ductor rolli16 to an ink drum 17, which'in turn conveys inkv to two transfer rolls 18 and 19.

The invention here involved relates primarily to the arrangement and mountingof the ink drum 17' and transfer'rolls 184- and 19. These three rolls as a unit are slidably mounted with a frame 20 so that saidfink drum and transfer rolls may be yremoved from theinkingrolls (considering'rolls 12, 13 and 14 generally as such) in 'la manner such that' the transfer rolls automatically clear the inlringrolls and when moved back into cooperative association with the inking rolls, the transfer rolls 'automatically position themselves with respect to the inking rolls. in' this connection attention is called to Mthe fact` that the arm 21,'inwhich the transferjroll 18 is mountechi's loosely mountedupon a .journal 22 ofthe ink drum, asis also an 'ai-m23 carrying thet-ransfer roll 19./ Pivotally connected vtothe arm 21 is a 'rod 24, one end of which loosely passes through an opening in bracketY 25 secured to the frame 20. Surrounding the rod' 24 isla spring 26, which normally :is compressed betweenV a collar 27 on the 'rod 24 andthe bracket 25, so that the transfer roll 18 is yieldably pressed and held in engagement with one of the rider rolls 14. `One endof al rod 28 is pivotally'connected tothe arm 21 and passes-through an apertured lug 29 on arm 23, there being a spring'BO surrounding the rod 28 and normally compressed between a nut 31 on the rod 28 and the ear 2,9 wherebythe transfer roll 19 is yieldably pressed and held in engagement ,withl another rider roll 14. Also normally Aa shoulder 32 formed on the rod 28 is spaced from theapcrtured lug 29'. lf it is desired to remove the inking drum and transfer rolls from the'straddled position over the inkino1 rolls,fthe saine may be done by means of the arrangement shown without manually handling each one of the rolls separately, the transferfrolls 18 and 19 automatically riding over their4 respective associated rider' rolls and clearing same in an'automatic manner greatly facilitating the operation. Y l

Let it be assumed that it is desired to move the inking drum andtransfer vrolls 18 and 19 to the left and away from theinking rolls. :This is donef'by sliding'the'frame 20 on the frame 10. During such operation the transfer roll 18 will ride downwardly von its associated rider roll 1141,? during which movement'the compressed spring 26 will force therod 124 downwardly until the stop nut 33 engages bracket 25, during which downward movement of the rod24 the arm 21 is rotated in a counterclockwise'direc-tion,

Vas viewed in VFigure'l. At the Sametime the sp'ace'betweenthe ear 29 on arm 23 and thev rcollar 32 on rod28kwill'have been'takenvup,

yciated rider rolls 14, the ink drum and transfer rolls 18 and 19 then assuming the positionV as shown in dotted lines at the left-hand side o-f Figure 1. Y

To return the ink drum 17 and transfer rolls 18 and 19 to their normal operative positions and have them automatically assume their proper respective positions, the unit is moved to the right, the'transfer roll 19 maintaining its elevated position until the other transfer roll 18 passes into engagement with its associated rider roll 14. As the transfer roll 18 rides up onA its associated rider roll 14, its arm 21 is rotated in a clockwisey direction, compressing the spring 26 and likewise compressing the spring 30 for yieldably forcing the other transfer roll 19v into engagement with its associated rider roll 14.

The operations are entirely automatic in that it is unnecessary to handle each one of the rolls separately for placing and withdrawing the transfer rolls with respect to their straddled position on rider rolls of the set of inlring rolls. Attention also is called to the fact that when the form rollers are tripped or raised Aout of engagement with the form cylinder 11, the transfer rollers 18 and 19, by vreason of the springs 26 and 30, automatically maintain their contact with the associated form rider rollers 14 without causing any binding action or undue pressure of the parts. Also by means of this inking arrangement the ink is supplied from the ink drum to the inking rolls in two separate paths, one through the transfer roll 18 and the other through transfer 19, whereby an improved inking is provided;

Itzis my intention to cover all modifications of the invention falling within the spirit and Vscope of the following claims.

I claim:

1. In a printing press, the combination of a plate cylinder, inking rolls associated therewith, and yieldably interconnected transfer rolls for transferring ink to said inking rolls and mounted in a manner whereby they automatically position themselves when applied to said inking rolls.

2. In a printing press, the combination of a plate cylinder, inking rolls associated therewith, and yieldably connected transfer rolls for transferring ink to said inking rolls and swingably mounted in a manner whereby they may automatically clear themselves fromsaid inking rolls when withdrawn therefrom.

3.1n a printing press, the combination of a cylinder, inking rolls associated therewith, and transfer rolls yieldably connected to each other and straddling said inlring rolls' for transferring ink to said inking rolls and mounted in a manner whereby they automatically position themselves when ap- .plied tosaid inlring rolls and automatically matically clear associated rrolls when with- Y drawn therefrom.

6. ln printing press inking mechanism, the combination of a support, arms pivotally mounted on said support, transfer rolls mounted in said arms, and means connecting said arms wherebyone of said arms will have a lifting effect upon the other for clearing one of said transfer `rolls. with respect to an associated roll.V

7. In printing press inking mechanism, the combination of a support, a plurality of arms pivotally mounted on said support, laterally movable transfer rolls carried by said arms, and means acting upon said arms for yieldably pressing said rolls into engagement with associated rolls and causing said transfer rolls to position themselves with respect to associated rolls when given a lateral movement to and from normal operative position. Y

8. 1n printing press inking mechanism, the combination of a support, arms pivotally connected to said support, transfer rolls mounted in said arms, means for yieldably pressing one of said arms for forcing its roll into engagement with the associated roll, and a. yieldable connection between said two arms 'for forcing' the second transfer roll into engagement with any associated roll.

9. In printing press inking mechanism, the combination of an ink drum having a trunnion, a plurality of arms supported on said trunnion, transfer rolls carried in said arms and engaging said ink drum, means for yieldably pressing one of said arms for forcing its roll into engagement with an associated roll, and a yieldable connection be-k tween said arms for pressing the other transfer roll into engagement with an ,associated roll. y

10. In printing press, the combination of inking rolls, a plurality of transfer rolls for transferring ink to said inking rolls and straddling the latter, and means whereby said transfer. rolls may be withdrawn laterally from said inking rolls whereby the Vformer will clear the latter.

11. In aprinting press, the combination of inkingl rolls, a plurality of transfer rolls for transferring ink to said inking rolls and straddling the latter, and means whereby said transfer rolls may be applied in a iso straddling position with respect to said inking rolls and automatically position themselves with respect thereto.

12. In a printing press, the combination of an ink drum, inking rolls, and means for transferring ink from said ink drum to said inking rolls through two separate paths and including yieldably interconnected transfer rolls.

13. In a printing press, the combination of inking rolls, an ink drum,and a plurality of laterally movable transfer-rolls yieldably connected to each other and engaging said ink drum and transferring ink to said inking rolls through a plurality of different y paths.

connection between said transfer rolls whereby engagement between said transfer y rolls and inking rollsl may be maintained when Vthe latter are tripped lwithout causany bindingaction of any parts.

in igned at Chicago, Illinois, this 112th day of August, 1921.

JOSEPH R. BLAINE.

Images