US1643608A - Selective printing machine - Google Patents

Description

p 1927' A. PRIESTLEY SELECTIVE PRINTING MACHINE Filed Sept. 22, 1925 2 Sheets-Sheet 1 gwuentoc h. L P/P/[JTL 5/,

' 1,643,608 Sept Q A. L. PRIESTLEY SELECTIVE PRINTING XIIACE'IINE Filed Sept. 22, 1925 2 Sheets-Sheet 2 i Z. PA /572 5 Patented Se t-27. 1927.

PATENT OFFICE.

ABRAHAM L. PRIESTLEY, OF NEW YORK, N. Y.

SELECTIVE PRINTING MACHINE. 1

Application filed September 22, 1925.- Serial No. 57,921. v

This invention relates to selective printing machines; and it comprises .a pair-of rolls and means for rotating the same in unison, one of the rolls being provided with a plurality of printing surfaces and the other roll being provided with corresponding pressure means to engage any one of the said printing surfaces, together, advantageously, with means for, setting one roll with respect to the other; all as more fully hereinafter set forth and as claimed.

In the newspaper and magazine business it is the custom to issue certain features more or less regularly, and these features are sometimes syndicated. As an illustrationfmost Sunday newspapers carry a gravuresection but this section may be supplied to many different newspapers by one syndicate. Therefore in making up this section it is printed without the name of any particular newspaper or magazine or publisher and then a certain number is run through the presses in order to print the name of the particular publisher to which that number is to be sent. This procedure requires the separate setting up of the type or interchanging of printing rolls when the names are etched on the rolls, with consequent loss of time and with resultant expense. v

An object of the present invention is the provision of means whereby a number of gravure sections for example may be printed with one heading and then another number may be printed with another heading all by means of the same printing rolls so arranged and constructed as to necessitate no substitution or no special settingup of the type.

Further objects of the present invention will appear.

In the accompanying drawing, showing one form of a specific embodiment of my invention, and in the several views of which similar reference numerals designate corre-. spondmg parts,

Figure 1 1s a diagrammatic illustration in side elevation of the front end of a printing press embodying my invention;

Figure-2 is a front elevationof the etched cylinder and the pressure roll in their operative relation Figure 3 is a partial end view thereof showing the paper in position as when being printed;

Figure 4 is an end view of my improved locking means; and

Figure 5 is a central longitudinal sectional View thereof.

. In the drawings, 10 indicates a cylinder having a plurality of advantageously uniformly spaced, etched headings indicated at 11. These headings are indicated as being etched upon the cylinder, but this is illustrative. Any printing surface will sufiice. For simplicity of illustration I have shown these headings as raised portions in Fig. .3 in order that the operation may be more readily understood. The roll or cylinder 10 is mounted upon shafts 12 which are journaled in suitable bearings in the printing machine A.

Rotatably mounted above the cylinder 10 1s pressure roll 13, which is provided with shafts 14 journaled in bearings located in the printing machine. Either one of the rolls may carry the printing surface and either one may constitute the pressure roll. But I have shown the upper roll as the pressure roll.

The etched cylinder 10 and the pressure roll 13 should be rotated in unison and in opposite directions. For this purpose the shafts 12 and 14 of the respective rolls carry sprocket wheels 15 and 16 driven by sprocket chain 17 as illustrated in Fig. 1'. Idler sprockets 18 are suitably mounted above the sprocket wheel 16 for spacing the oppositely moving portions of the chain and for taking up wear and for adjustment purposes.

Securely mounted upon the outer surface of the pressure roll 13 and extending longitudinally therewith is a pressure strip 20, whose outer surface 21 is provided with a curvature rotating from the center of the pressure roll 13. Advantageously the width of the face 21 is slightly greater than the width of the etched portions 11 in the cylinder 10, for the purpose of insuring an even contact or impression upon the paper B to be supplied with a particular headin The outer ends of the strip 20 are rounde as indicated a't 22 in order that the paper will not be torn during the printing operation.

In Figs. 4 and 5 is illustrated mechanism for locating and locking the various headings in' printing arrangement. The selective clutch mechanism indicated generally at 23 is mounted upon the shaft 12 and is adapted for looking with respect .to the sprocket wheel 15 which is loosely mounted upon the shaft 12'. The clutch member'24: which is slidably mounted upon the outer end of the shaft 12 is adapted to be rotated by means of the oppositely disposed keys 25. The outer face of the sprocket wheel 15 is provided with a plurality of teeth 26 correspondmg in number to the number of headings carried by the printing roll 10, and these teeth engage mating grooves 27 formed on the inner or contacting face of the clutch member 24. A knurled hand-gripping portion 27 is formed on the outer end of the clutch member 24; for operation of the clutch.

.Formed upon the outer end of the shaft 12 is a reduced portion 28 around which is located'the coiled spring 31. The outer end of the shaft 12 is provided with a threaded reduced end for receiving the washer 29 and nut 30. The washer beads against one end of the coiled spring and the other end of the coiled spring bears against the washer or disk 32 slidably mounted upon the reduced portion 28 of the shaft and bears against the outer face of the clutch member 24.

Forthe purpose of readily operating the clutch I have provided upon the face portion 33a plurality of graduations 34; with suitable indici'a corresponding to the headings by positioning marks through the clutch mechanism so the particular heading may be selectedand positioned to come in contact with the strip carried by the pressure roll.

When it is desired to change theposition of the etched cylinder 10 with respect to the longitudinal pressure strip 20 carried by the other roll, the clutch member 24 is withdrawn from the sprocket wheel 15 against the tension of the coiled spring 31, as indicated by the dotted lines in Fig. 5, and is rotated in the desired direction until the pointer or index 35 is in line with the particular graduation 3 L corresponding to the heading to be printed. The clutch member is thenv released permitting the coactmg clutch teeth to engage and, look. In event it becomes necessary torotate the pressure roll 13 as for instancefor the purpose of setting it with respect to the cylinder 10 because of'slippage or forfother reasons, I

' have provided sprocket wheel 15 with a plurate with respect to and corresponding in size to the roll 10 as to .present the strip plate 20 to theparticular heading The Dispatch upon each revolution. When the required number of sections have been printed with The Dispatch the lower roll is then positioned so that another heading is presented to the strip plate 20 and the" printing is proceeded with as before. For illustration I have referred to gravure sect ons of newspapers and the invention is particularly useful in connection with the printing of them, but it may be used for other and similar urposes.

I lVhen type, electro type or plates are de slred or required, the cylinder may be substituted by a mandrel of the same circumference carrying plates attached or inserted. The printing may be done in the same manner as with the etched-cylinder.

What I claim is 1. A printmg machine comprising, a rotatable cylinder having a plurality of printmg surfaces, a roll adapted to be rotated with said cylinder, means carried by the roll for uniformly bearing against the paper upon a predetermined printing surface only at predetermined periods, and means for selectively changing the position of the cylinder with respect to the roll.

tatable cylinder having a plurality of printmg surfaces, a roll adapted to be rotated with sa1d cylinder, means carried by the roll for uniformly bearing against .the paper upon a predetermined printing surface, and meanscomprising a slidably mounted clutch for selectively changing the position of the cylinder with respect to the roll.

3. A printing machine comprising, a rotatable cylinder having a plurality ofprintmg surfaces, a roll adapted to be rotated with said cylinder, means carried by the roll for uniformly bearing against the paper upon a predetermined printing surface, means for selectively changing the position of the cylinderwith respect to the roll, said last named means comprising a sprocket wheel loosely mounted with respect to the cylinder and havin locking means, and a slidably mounted c utch adapted to be en-' gaged thereby.

4. In a printing machine, a device forprinting headings comprising a rotatably mounted cylinder havmg a plurality of printing surfaces, a pressure roll and a longitudinally extending strip carried by said pressure roll for app ying uniform pressure on the paper agamstone of said printing surfaces and means for locking said cylinder and pressure roll in various predetermined positions.

5. In a printing machine, a device for printing headings comprising a rotatably mounted cylinder having a plurality of 2. A printing machine comprising, a roprinting surfaces, a pressure roll and a longitudinally extendin strip carried by said pressure roll for app ying uniform pressure on the paper against one of said printing surfaces, means for rotating said pressure roll and cylinder in unison and means for locking sald cylinder and pressure roll in various predetermined positlons.

6. In a printing machine, a device for printin headings comprising a rotatably mounte cylinder having a plurality of rintin surfaces, a pressure roll and a on itudinally extending strip carried by sai pressure roll for applying uniform pressure on the paper against one of said printing surfaces, means for rotating said pressure roll and cylinder in unison and means for locking said cylinder and pressure roll in various predetermined positions.

7. A machine for printing selective headings comprising, a rotatably mounted cylinder having a plurality of printing surfaces, a centrally locatedshaft secured thereto, a pressure roll, a longitudinally extendlng and raised strip carried by the pressure roll and of substantially greater width than the printing surfaces, and means carried by said c linder shaft for predeterminedly setting t e printing surfaces with respect to the longltudinal y extending strlp.

8. A machine for prmting selected headings comprising, a cylinder provided with a plurality of printing surfaces and having a shaft, a pressure roll having a shaft secured thereto, means carried by the pressure roll for applying uniform pressure on the aper against one of the said printin sur aces, a sprocket wheel loosely mounte u on said cylmder 4 shaft and provided wit a toothed surface, a slidably mounted clutch member adapted to be engaged by said teeth, yieldable means for normal y retaining said clutch member in its locked position with respect to the sprocket wheel, and a sprocket chain for driving the pressure roll and said cylinder in unison. i

9. A machine for rinting selected headings comprising a cy inder provided with a plurality of printing surfaces-and having a shaft, a pressure roll having a shaft secured thereto, means carried by the pressure roll for applying uniform pressure on the paper against one of said printing surfaces, driving means loosely mounted on the cylinder shaft and provided with a toothed surface a slidably mounted clutch member adapted to be enga ed by said teeth, yieldable means for norma 1y retaining said clutch member in its locked position with respect to said driving means, and driving means on said pressure roll shaft coacting with said firstnamed driving means for rotating said cylinder and pressure roll together.

' In testimony whereof, I have hereunto aflixed my signature.

A RAHAM L. PRIESTLEY.

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