US2002584A - Printing press roll shifting means - Google Patents

Printing press roll shifting means Download PDF

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Publication number
US2002584A
US2002584A US698451A US69845133A US2002584A US 2002584 A US2002584 A US 2002584A US 698451 A US698451 A US 698451A US 69845133 A US69845133 A US 69845133A US 2002584 A US2002584 A US 2002584A
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Prior art keywords
gear
gears
printing press
rolls
hub
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Expired - Lifetime
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US698451A
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Harry H Rawson
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Washington Machinery And Suppl
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F13/00Common details of rotary presses or machines
    • B41F13/08Cylinders
    • B41F13/10Forme cylinders
    • B41F13/12Registering devices
    • B41F13/14Registering devices with means for displacing the cylinders

Description

May 28, 1935. H. H. RAWSON 2,002,584

PRINTING PRESS ROLL SHIFTING MEANS Filed Nov. 17, 193

gmwwtom Patented May 28, 1935 UNITED STATES PATENT OFFICE 2,002,584 PRINTING PRESS ROLL SHIFTING MEANS Spokane, Wash.

Application November 17, 1933, Serial No. 698,451

2 Claims.

My invention relates to printing press roll shifting means and certain objects of the invention are to provide adjusting means whereby the rolls of a printing press may be turned and set with respect to the driving means so that; after first printing with one color, the printing of additional colors will conform and register with the colors previously printed. Further objects are to provide an adjusting means that is simple in construction, and easy and quick to operate, and which will give a very refined adjustment of the rolls. Still further objects are to provide adjusting means that is of general application and which may be applied to printing presses in vari ous ways.

With the above and other objects in view which will appear as the description proceeds, the invention consists of the novel construction, adaptation, combination and arrangement of parts hereinafter described and claimed. These objects are accomplished by devices illustrated in the accompanying drawing; wherein:

Figure 1 is a view in side elevation of the device; Fig. 2 is a top plan view of the same with parts broken away; Fig. 3 is a view in central longitudinal section of the gear shifting means; and Fig. 4 is a view in central longitudinal section of the device for operating the gear shifting means.

Referring to the drawing throughout which like reference numerals designate like parts, the numeral 5 indicates a portion of a printing press frame whereon is journaled a horizontal drive shaft 6 on which is fixed a bevel gear 1. Said bevel gear meshes with another bevel gear, designated by the numeral 8, which is fixed on the lower end of a vertical shaft 9, and on which shaft is fixed an additional pair of spaced apart gears l0 and H. The gear drives another bevel gear |2 that is integral with a wide helical gear l3 which is revolubly mounted on a stub shaft fixed to the frame 5.

A narrow helical gear |4 meshes with the wide helical gear l3. The helical gear I4 is integral with a hollow hub l5, and another narrow helical gear I5 is made an integral part of said hub outside of the narrow gear H. The outer helical gear l6 meshes .with a wide helical gear I! which is secured to a spur gear l8 by means of bolts l9 passing through slots 20 provided in the helical gear IT. A type or plate carrying roll 2| has its end axle 22 journaled through the frame 5, and the spur gear I8 is keyed or otherwise fixed on said end axle. The spur gear |8 meshes with another spur gear 23 fixed on an end axle which is journaled through the frame 5 and fixed to a press roll 24 which engages the type roll.2|. A paper 25, upon which the printing is done, passes between the rolls 2| and 24.

The gear shift or adjusting arrangement, shown in Fig. 3, embodying the narrow inner and outer helical gears l4 and I8 respectively and forming a part of the hollow hub I5 is a very important feature of my invention. Said hollow hub is revolubly mounted on a sleeve 26 one end of which is fixed through the frame 5. A rod 21 extends slidably through said sleeve and the frame, and the end 20 of the hollow hub is journaled on said rod. A thrust bearing 29 is mounted on said rod against the inside of said hub end and two nuts 30 form a bearing for the outside of said hub end. In this arrangement it will be apparent that the hollow hub l5 revolves both on the sleeve 28 and on the rod 21, and said rod may be turned and slidably moved back and 20 forth thus carrying the hollow hub with it.

The detail means for turning and slidably moving the rod 21 is shown in Fig. 4 wherein a hand wheel 3| is fixed on its end. The end portion of said rod is threaded at 32 and said threaded 25 portion extends through an internally threaded bearing member 33 which is fixed to the frame 5. Said bearing is split and a bolt 34 extends through the split portion whereby same may be clamped tightly against the rod to retain some in a stationary position as will be understood. It will be apparent that by turning the wheel 3|, the rod 21 may be slidably and revolubly moved back and forth as desired and the hub I5 together with its gears l4 and I6 will be moved back and forth with it.

When the hub I5 is moved back or forth its narrow gear II will be slidably moved along the face of the wide gear l3. Both of said gears, having helical teeth or teeth which slant with respect to their axes, the gear M will be turned, it being assumed that the gear l3 remains stationary. This will turn the hub l5 and gear IS which gear will turn the gear I! thus turning the type roll 2|,

and will also turn the roll 45 24 through the medium of the gears l8 and 23. This arrangement provides a quick, easy and refined means for adjusting the rolls relative to each other and with respect to the drive shaft 6. Said rolls may thus be either set forward or backward by turning the handle 3|, and when they are set to the required position the bolt 34 is tightened thus retaining them in the desired position. A coarse adjustment of the rolls may first be made by loosening the bolts l9 and turning the gear l1 whereby the slots 20 will slldably low hub having a pair of gears formedthereon move on said bolts which may then be tightened. in spaced apart relation, a rod slidably and revo- My device is of practical use in setting type or lubly mounted through the frame, said hub revplate rolls tor the purpose o1 lining up and matcholubly mounted on said rod and arranged to sliding colored printwork where one or more 001- ably move therewith, a threaded connection beors have previously been printed and it is desired tween the rod and framameans for manually to print another color. It provides means revolving the rod, one of the gears on the holwhereby the additional color is caused to print low hub having helical teeth meshing with the at the correct place instead of being too far above teeth of the helical gear of the driving gear sysor below the correct place which has often been tem, the other gear meshing with one of the gears the case. While I have descr b d the gears l6 inthe system or" driven gears and said driven themselves may be varied as desired, it being unrolls is adiusted when the rod and hub is rederstood that my device is of general application. volved.

For the purpose of brevity,in the claims the sys- 2. In a printing press having printing rolls tem of gears between the drive shaft 6 and the mounted thereon, the combination with a system hub l5 will be termed the driving gears, and the of driving gears one of which is provided with system of gears between said hub and the printhelical teeth, and a system of driven gears aring rolls will be termed the driven gears. ranged to rotate the rolls, of adjusting means for 20 Having thus described my invention, what I the rolls comprising a pair of integrally connected claim and desire to secure 'by Letters Patent is: gears, one of said gears having helical teeth mesh- 1. In a printing press comprismg a frame having with the gear having helical teeth in the ing a pair of printing rolls mounted thereon, the driving gear system, the other gear meshing with combination with a system of driving gears one one of the driven gears for rotating the rolls, and g of which is a helical gear, and a system of driven one of said driven gears adjustably connected gears arranged to rotate the printing rolls, of with another driven gear. adjusting means for the rolls comprising a hol- HARRY H. RAWSON.

US698451A 1933-11-17 1933-11-17 Printing press roll shifting means Expired - Lifetime US2002584A (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2425680A (en) * 1941-09-04 1947-08-12 Harris Seybold Co Printing press
US2448292A (en) * 1943-10-22 1948-08-31 Cottrell C B & Sons Co Geared adjustment means
US2660115A (en) * 1949-01-07 1953-11-24 Ras Max Circumferential cylinder register mechanism for rotary printing machines
US2860578A (en) * 1956-09-19 1958-11-18 Dick Co Ab Head registration adjusting mechanism for duplicators
US2929320A (en) * 1954-10-04 1960-03-22 American Cyanamid Co Machine for marking capsules
US2937555A (en) * 1957-11-25 1960-05-24 United States Steel Corp Flying shear with means for adjusting blade setting
US3163109A (en) * 1963-01-21 1964-12-29 Faustel Inc Interchangeable gear drive means for rotary printing mechanism
US3630145A (en) * 1969-07-04 1971-12-28 Creusot Loire Angular and axial adjustment mechanism for a printing cylinder
US4100851A (en) * 1976-10-30 1978-07-18 Heidelberger Druckmaschinen Aktiengesellschaft Device for adjusting lateral and circumferential registry in rotary printing machines
US4606269A (en) * 1984-03-14 1986-08-19 Heidelberger Druckmaschinen Ag Register adjustment device for a rotary printing machine
DE4219399A1 (en) * 1992-06-13 1993-12-16 Piv Antrieb Reimers Kg Werner Drive for machine roll with register setting for printing machine - incorporates helical axially displaceable toothed input and output gears which are fixable in any axial position

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2425680A (en) * 1941-09-04 1947-08-12 Harris Seybold Co Printing press
US2448292A (en) * 1943-10-22 1948-08-31 Cottrell C B & Sons Co Geared adjustment means
US2660115A (en) * 1949-01-07 1953-11-24 Ras Max Circumferential cylinder register mechanism for rotary printing machines
US2929320A (en) * 1954-10-04 1960-03-22 American Cyanamid Co Machine for marking capsules
US2860578A (en) * 1956-09-19 1958-11-18 Dick Co Ab Head registration adjusting mechanism for duplicators
US2937555A (en) * 1957-11-25 1960-05-24 United States Steel Corp Flying shear with means for adjusting blade setting
US3163109A (en) * 1963-01-21 1964-12-29 Faustel Inc Interchangeable gear drive means for rotary printing mechanism
US3630145A (en) * 1969-07-04 1971-12-28 Creusot Loire Angular and axial adjustment mechanism for a printing cylinder
US4100851A (en) * 1976-10-30 1978-07-18 Heidelberger Druckmaschinen Aktiengesellschaft Device for adjusting lateral and circumferential registry in rotary printing machines
US4606269A (en) * 1984-03-14 1986-08-19 Heidelberger Druckmaschinen Ag Register adjustment device for a rotary printing machine
DE4219399A1 (en) * 1992-06-13 1993-12-16 Piv Antrieb Reimers Kg Werner Drive for machine roll with register setting for printing machine - incorporates helical axially displaceable toothed input and output gears which are fixable in any axial position

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