US2057360A

US2057360A - Rotary web printing press

Info

Publication number: US2057360A
Application number: US345A
Authority: US
Inventors: Howard M Barber
Original assignee: Individual
Current assignee: CB Cottrell and Sons Co
Priority date: 1935-01-04
Filing date: 1935-01-04
Publication date: 1936-10-13
Anticipated expiration: 1953-10-13

Description

Oct. 13,1936;

I H. M. BARBER ROTARY WEB PRTNTING PRES Filed Jan. 4, 1955 4 Sheet-Sheet 1 INVENTOR A TTNE Y6 Oct. 13, 1936. H. M. BARBER ROTARY WEB PRINTING PRESS Filed Jan. 4, 1955 4 Sheets-Sheet 2 INVENITOR WWW ATTORNEYS Oct; 13, 1936. H. M. BARBER ROTARY WEB PRINTING PRESS Filed Jan. 4, 1935 4 Sheets-Shee t 5 I [NVENTOR gm/22M A TTORNE Y5 Oct. 13, 1936. H. M. BARBER ROTARY WEB PRINTING PRESS INVENTOR ATTRN Y8 Patented Oct. 13, 1936 UNITED STATES V ROTARY WEB PRINTING PRESS Howard M. Barber, Pawcjatuclr, Conn, assignor to 0., B. Cottrell &

Sons Company, Westerly,

I R. I., a corporation of Delaware 1 Application January 4, 1935, Serial No. 345

12 Claims. 01. 101 178) My invention relates to that class of multicolor rotary web printing presses in which change form cylinders are used, so that form cylinders of different corresponding diameters may be used 5. with a minimum amount of change, adjustment and substitution of parts.

My invention comprises generally an impression cylinder and a plurality of change form cylinders located upon opposite sides thereof, the

impression cylinder and certain of the change form cylinders being bodily movable, preferably in a horizontal plane or-planes, to bring the imprcssion cylinder and said last named change form cylinders into and out of operative position.

My invention comprises, in one embodiment, an impression cylinder having three change form cylinders located upon one side and a single change form cylinder located upon the opposite side, the impression cylinder and a change form cylinder on one side and the change form cylinder on the opposite side of the impression cylinder being bodily movable to bring the impression and change form cylinders into and out of operative position.

My invention also comprises, in another embodiment, an impression cylinder having three change form cylinders located upon one side and 7 two change form cylinders upon the other side, theimpression cylinder and a change form cylinder on one side and the two change form cylinders on the-other side being bodily movable into and out of operative position.

Practical embodiments of my invention are 5 represented in the accompanying drawings, in which a Fig. 1 represents a detail side elevation, partly in section, showing an impression cylinder having four change form cylinders, three being 10- cated upon one side and one upon the other side of the impression cylinder, the change form cylinders being of relatively large corresponding diameters;

Fig. 2 represents a similar view in which the change form cylinders are of smaller corresponding diameters; V

Fig. 3 represents a detail side elevation, partly in section, showing an impression cylinder having five change form cylinders, three being located upon one side and two upon the other side of the impression cylinder, the change form cylinders being of relatively large corresponding diameters; and v V M Fi 4 represents a similar view in which the change form cylinders are of smaller corresponding diameters. i

The main frame of the press is denoted by I-, in each side of which the impression cylinder 2 has its shaft 3 mounted in a horizontally movable bearing l.

' In Fig. 1 I have shown a group of three rela- V tively large change form cylinders 5, 6, I, located upon one side of the impression cylinder 2 and asingle change form cylinder 8 located upon the other side of the impression cylinder; all of said change form cylinders being of corresponding diameters and their shafts being denoted by 9, I0, II and I2 respectively.

In Fig.2 I have shown a group of-three rela- 15 tively small change form cylinders I3, I4, I5, located upon one side ofthe impression cylinder 2'and a single change form cylinder I6 located upon the opposite sideof the impression cylinder; all of the said change form cylinders being of corresponding diameters and their shafts be- 20 ing denoted by IT, I8, I9 and 20 respectively.

In Fig.3 I have shown the group of three relatively large change form cylinders 5, 6, 'I and their shafts 9,10, II, located upon one side of the impression cylinder 2, while upon the other 25 side of the impression cyinder 'I have shown two change form cylinders 2|, 22 of the same diameters and their shafts 23, 24.

In Fig. 4 I-have shown the group of three relatively small change form cylinders I3, I4, 30 I5 and their shafts I'I, I8, I9, located upon one side of the impression cylinder, while upon the other side of the impression cylinder I have shown two change form cylinders 25, 26 of the: same diameters and their shafts 21, 28. 35

Bearings 29, 30, 3I are provided in each side of the-main frame for mounting either the shafts 9, IEI,"II of the larger change form cylinders 5, B, I or the shafts ll, I8, I9 of the smaller change form cylinders l3, I4, I5.

A bearing 32 is provided in each side of the main frame for mounting either the shaft l2 of the larger change'form cylinder 8 or the shaft ZII-of the smaller change formcylinder I6. Bearings 33-, 34 are providedfineach side of the main frame for mounting either the shafts 23,24 of the'larger change'form cylinders 2|,

22 or the shafts 27, 28 of the smaller change form cylinders-25, 26.

' In theembodiment illustrated in Figs. 1 and 2; 50

each bearing 4 for the impression cylinder shaft 3 is provided with a loop extension 35, in which the be'aring"32 for-either the shaft I2 of the larger 1, change form cylinder 5 or-the-shaft 20' of the smaller change form cylinder I6 is movable in a horizontal plane. This loop bearing extension 35 is further provided with upper and lower arms 36, 31.

Means are shown for moving the impression cylinder 2 and either the change form cylinder 8 or change form cylinder I6 bodily together, said means being as follows:

A hand wheel 38 on an upper cross shaft 39 has at each side of the machine frame a sprocket wheel 48 connected by a chain M with a lower sprocket wheel 42 on a cross shaft 43. These cross shafts 39 and 43 have worm-and gear connections 44, 45 and 46, 41 with screw shafts 48, 49, carried by the upper and

lower arms

36, 3? of the bearing extension 35, said screws engaging the main frame I.

Means are provided for independently moving the bearing 32 for either the shaft I2 of the larger change form cylinder or the shaft 28 of the smaller change form cylinder in a horizontal plane in the loop extensions 35 of the impression cylinder shaft bearings 4, which means comprises the following elements:

A hand wheel 58 on a cross shaft 5| is provided at each side of the main frame with a sprocket wheel 52 connected by a chain 53 with a sprocket wheel 54 on a stud shaft 55, which stud shaft has a worm and gear connection 56, El with a screw shaft 58 connected to the bearing 32.

A screw shaft 59 serves to lock the impression cylinder shaft bearing 4 in its adjusted position and a screw shaft 68 serves to lock the change cylinder shaft bearing 32 in its adjusted position.

In the form shown in Figs. 3 and 4, the bearing 4 for the impression cylinder shaft 3 at each side of the main frame is provided with a louble loop extension 6| in which the upper and lower bearings 33, 34 for either the shafts 23, 24 of the larger change form cylinders 2|, 22 or the "fails 2'1, 28 of the smaller change form cylinders 25, 26 are movable in horizontal planes. Each bearing extension 6| is provided with an upper arm 62 and a lower arm 63.

Means are provided for moving the impression cylinder bearings 4 and the change form cylinder bearings 33 and 34 bodily together, which means is herein shown as comprising the following elements:

A hand wheel 64 on an upper cross shaft 65 is provided at each side of the main frame with a sprocket wheel 66 connected by a chain 6! with a sprocket 68 on a lower cross shaft 69. The upper cross shaft 65 has a worm and gear connection I0, II with a screw shaft I2 carried by the upper arm 62 of the bearing extension 6| and engaging the main frame. The lower cross shaft 69 has a worm and gear connection I3, I4 with a screw shaft I5 carried by the lower arm 63 of the bearing extension 6| and engaging the main frame.

The bearings 33 for either the shaft 23 of the larger change form cylinder 2| or the shaft 21 of the smaller change form cylinder are bodily movable in a horizontal plane in the impression cylinder bearing extensions 6|, as follows:

A hand wheel I6 on a cross shaft 11 has at each side of the main frame a sprocket wheel I8 connected by a chain "I9 with a sprocket 8|] carried by a stud shaft 8|, which stud shaft has a worm and gear connection 82, 83 with a screw shaft 84 connected to the 'bearing33.

Similarly, the bearings 34 for either the shaft 24 of the larger change form cylinder 22 or the shaft 28 of the smaller change form cylinder 25 are bodily movable in a horizontal plane in the impression cylinder bearing extensions 6|, as follows:

A hand wheel 85 on a cross shaft 86 has at each side of the main frame a sprocket wheel 8'! connected by a chain 88 with a sprocket wheel 89 on a stud shaft 90, which stud shaft has a worm and gear connection 9|, 92 with a screw shaft 93 connected to the bearing 34.

The screw shaft 59 serves also in this form to lock the impression cylinder shaft bearing 4 in its adjusted position. A screw shaft 95 serves to lock the change form cylinder bearing 33 in its adjusted position. A screw shaft 96 serves to lock the change form cylinder bearing 34 in its adjusted position.

In both of the forms illustrated the change form cylinder bearings are moved bodily in a horizontal plane, the means for accomplishing this result being shown as follows:

A-hand wheel 91 on a cross shaft 98 is provided at each side of the machine with a sprocket wheel 99 connected by a sprocket chain I88 with a sprocket wheel IIII on a stud shaft I82, which stud shaft has a worm and gear connection I63, I84 with a screw shaft I65 engaging each bearing 38. A screw shaft I86 is provided for locking each bearing 38 in its adjusted position.

The bearings 29 and 3| for the lower and upper change form cylinders 5 and 'I at each side of the machine are provided with the. usual individual adjusting means for alining the change form cylinder shafts 9 and II permanently with respect to the impression cylinder shaft 3.

Inking mechanisms I01, I88, I09 are mounted in a frame III) in position to be brought into and out of coaction with either the larger change form cylinders 5, 6, I or the smaller change form cylinders I3, I4, I5, located upon one. side of the impression cylinder.

In the form shown in Figs. 1 and 2, I have provided an inking mechanism III mounted in a frame I I2 in position to be brought into and out of coaction with either the larger change form cylinder 8 or the smaller change form cylinder I6, located upon the opposite side of the impression cylinder.

In the form illustrated in Figs. 3 and 4, I have shown inking mechanisms H3, H4 mounted in a frame H5 in position to be brought into and out of coaction with either the two larger change form cylinders 2|, 22 or the two smaller change form cylinders 25, 26.

The web to be printed is denoted by I I6 and the impression web is denoted by M1. Any well known or approved means, not shown herein, may be provided for imparting the proper movements to the web to be printed and the impression web. Any well known or approved means may also be provided for driving the impression and change form rolls as well as the inking mechanisms.

The impression web shown and described, but not claimed herein, forms the subject matter of my copending application filed of even date herewith, Serial No. 343.

While I have shown change form cylinders of two corresponding diameters it is to be understood that these change form cylinders may be of any desired diameter.

From the above description it will be seen that in both forms illustrated I have provided means whereby a selected change formcylinder upon one side of the impression cylinder may be moved independently thereof. In the form shown in Figs. 1 and 2 the impression cylinder may not only be moved together with its change form cylinder on the other side thereof but said change form cylinder may be moved independently of the impression cylinder. In the form shown in Figs. 3 and 4 the two change form cylinders may not only be moved with the impression cylinder but also independently thereof and independently of each other.

It is evident that various changes may be resorted to in the construction, form and arrangement of the several parts without departing from the spirit and scope of my invention, and hence I do not intend to be limited to the particular embodiments herein shown and described, but what I claim is: V a

1. In a multi-color rotary web printing press, an impression cylinder, a change form cylinder for coaction therewith, means for bodily moving the impression cylinder and change form cylinder together and means for bodily moving the change form cylinder independently of the impression cylinder.

2. In a multi-color rotary web printing press, an impression cylinder, two change form cylinders for coaction therewith, means for bodily moving the impression cylinder and change form cylinders together and means for bodily moving the change form cylinders independently of the impression cylinder.

3. In a multi-color rotary web printing press, an impression cylinder, two change form cylinders for coaction therewith, means for bodily moving the impression cylinder and change form cylinders together and means for bodily moving the change form cylinders independently of the impression cylinder and independently of each other.

4. In a multi-color rotary web printing press, an impression cylinder, a plurality of change form cylinders for coaction therewith, located upon opposite sides of the impression cylinder, means for bodily moving the impression cylinder and a change form cylinder upon one side thereof together, means for bodily moving said change form cylinder independently of the impression cylinder and means for bodily moving a change form cylinder upon the opposite side of the impression cylinder independently thereof.

5. In a multi-color rotary web printing press, an impression cylinder, a plurality of change form cylinders for coaction therewith, locatedupon each side of the impression cylinder, means for bodily moving the impression cylinder and two change form cylinders upon one side thereof together, means for bodily moving said two change form cylinders independently of the impression cylinder, and means for bodily moving a change form cylinder upon the opposite side of the im pression cylinder independently thereof.

6. In a multi-color rotary web printing press, an impression cylinder, a plurality of change form cylinders for coaction therewith, located upon each side of the impression cylinder, means for bodily moving the impression cylinder and two change form cylinders upon one side thereof together, means for bodily moving said two change form cylinders independently of the impression cylinder and independently of each other and means for bodily moving a change form cylinder upon the opposite side of the impression cylinder independently thereof.

7. In a multi-color rotary web printing press, an impression cylinder, four change form cylinders, three located upon one side and one upon the other side of the impression cylinder, means for bodily moving the impression cylinder and said one change form cylinder together, and means for bodilymoving the last named change form cylinder independently of the impression cylinder.

8. In a multi-color rotary web printing press, an impression cylinder, four change form cylin-v ders, three located upon one side and one upon the other side of the impression cylinder, means for bodily moving the impression cylinder and said one change form cylinder together in the same horizontal plane, and means for bodily moving the last named change form cylinder independently of the impression cylinder.

9. In a multi-color rotary web printing press, an impression cylinder, five change form cylinders, three located upon one side and two upon the other side of the impression cylinder, means for bodily moving the impression cylinder and said two change form cylinders together, and means for bodily moving the last named two change form cylinders independently of the impression cylinder.

10. In a multi-color rotary web printing press, an impression cylinder, five change form cylinders, three located upon one side and two upon I the other side of the impression cylinder, means for bodily moving the impression cylinder and said two change form cylinders together, and means for bodily moving the last named two change form cylinders independently of the impression cylinder and independently of each other.

11. In a multi-color rotary web printing press,

' an impression cylinder, five change form cylinders, three located upon one side and two upon the other side of the impression cylinder, means for bodily moving the impression cylinder and said two change form cylinders together in the same horizontal plane, and means for bodily