US1142019A - Ink-mixing mechanism for printing-presses. - Google Patents

Description

c. H. BUETTNER. INK MIXING MECHANISM FOR PRINTING PRESSES.

APPLICATION FILED IIJNE29, I9I4, wwl I -I I MHHH H H h H II I I H 2 I I. I I I I I I I. 4w N m x. .N 3 Q Patented June 8, 191

CHARLES H. BUET'INER,

or CINCINNATI, OHIO.

INK-MIXING-QVIECHANISM FOR PRiINTING-PRESSES.

Specification of Letters Patent.

Application filed June 29, 1914. Serial No. 848,035.

, which the following is a specification.

My invention relates to improvements in ink distributing mechanism for printing presses.

One of its objects is to provide improved mechanism to distribute the ink on the ink fountain, and to prevent lint orother foreign matter from gathering or concentrating at any point to interfere with a regular and uniform application of ink to the inking roller.

Another object is to provide adjustable means to provide for distributing ink to any desired portion of the inking roller.

Another object is to provide with a distributer traveling to and fro 'overthe ink fountain an improved power driven mechanism to automatically feed and reverse the movements of said clistributer.

My invention also comprises certain details of form, combination and arrangement all of which will be fully set forth in the description of the accompanying drawings, in which: t?

Figure 1, is an end view of a printing press with my improvements attached thereto. Fig. 2, is a sectional view on line V V of Fig. 1. Fig. 3, is a top plan view of the same. Fig. i, is a detail of a modification. Fig. 5, is a detail of another modification.

The accompanying drawings illustrate the preferred embodiments of my invention in which, Arepresents the frame of an ordinary type of printing press.

B represents a roller or cyllnder which serves to take up the printers ink from the ink fountain and apply it to one or more rollers, not shown, which in turn apply the ink to the face of the type.

D represents an ink fountain of usual type having aninclined face 2 upon which the printers ink is distributed and from the lower edge of which the ink is taken up by the roller-B as it revolves.

: .i'Inpractice, lint-freed fromthe -pa'per and .othe1 ';dust and. foreign mattenfalls upon ,thegink fountainand-is carried into contact with the roller B. The respective units of this foreign matter also apparently appear to exert an attractive force upon one another, causing clots or accumulations of such foreign matter at different points, which in turn interfere with and tend to prevent a uniform feed of. ink to the roller B, and thereby a streaked or uneven application of ink to the face of the type. The general practice heretofore has been for the operator'using a knife or palette knife to insert the knife and run it across the fountain close to the roller 13 at frequent intervals to break up any accumulations of foreign matter and distribute the ink so as to secure a uniform feed of ink to the face of the type. This is a dangerous and difiicult operation as it must be performed without stopping. the printing press, and between in- Patented June 8, 1915.

tervals of the press movement, to avoid catching the knife or hand of the, operator in the mechanism.

In order to automatically distribute the ink upon the fountain and to prevent accumulations of foreign matter at points Where it would prevent a uniform supply of ink over the face of the type, I provide a feed shaft E which is rotatably mounted in brackets 3 which are bolted to the frame A. The shaft E is preferablv'threaded with a coarse pitch. thread which is threaded into the hub 4 of a traveling carriage F which travels backward and forward along the feed shaft E. An ink distributing blade or palette knife G is detachably mounted on the carriage F to travel therewith across the face of the ink fountain, and to distribute the ink thereon close to the roller B, and also to break up or dislodge any accumulating bodiesof foreign matter which would be liable to interfere with the regular and uni-- form distribution of ink.

At one end the shaft E is provided with a pair of beveled gears 6 and 7 loosely mounted on said shaft E and driven in opposite directions by means of a beveled gear 8 on shaft 9, which receives motion fro'u' one or other of the shafts of the printing press, as for instance the shaft 10 shown in Fig. 3, by means of a'pair of beveled gears 11 and 12. A sliding clutch member i i is ice . has once commenced to move.

has a hub carrying a stud or roller 21 15 rod H passes' Adjustable collars 18 are carried by the rod H- and preferably springs 19 are interposed between said collars and the hub 17 to cushion the engagement of said hub and collars, and to insure a full endwise movement of the rod H after it The rod H which engages ,an annular groove in the K clutch member 14, to cause said clutch member 'tomove' endwise with the rod H. The rod H is also preferablyprovided with a grooved roller 24 which is-engaged byij a spring actuated dog or latch 25 seated in a recess in bracket 26 to prevent ac'cid' tal displacement of the rod H endwis the s me time to enable said rod to can ed e dwise by the-engagement of the. car-" riage F through the springs 19-with the collars 18. v

I have illustrated belt' g'rooves 28 on the members 6' and 7 in order that if desired said members may be driven in opposite directions respectively by straight and cross belts from belt pulleys on the shaft 10 in place of employing the beveled gears 8,

'11 and 12. a

By shifting the collars 18 upon the rod g The carrlage. F has a hub 17 through which the' bei'shift Having described my invention what I claim is:

1. In an ink distributing mechanism, an ink. distributing member in combination with feeding mechanism comprising a travcling carriage on which said ink distributing member is adjustably mounted -with the free end of said ink distributing memher as the center of adjustment, the ink fountain to feed said carriage backward and forward, mechanism to drive said feed shaft alternately in opposite directions, a shifting rod to reverse the direction of rotation of said feed shaft, and means carried by said carriage 'to actuate said shifting rod when said ink distributing member has reached the limits of its path'of travel. 2. In an ink distributing mechanism, an ink distributing member in combination with feeding mechanism comprising a carriage on which said inkdistributing member is mounted to travel to and fro across the printing press, a threaded fecdshaft to feed said carriage in either direction, clutch members loose on said feed shaft and positively driven in opposite directions, a sliding clutch member nonrotatably'carried by said feed shaft, a shifting rod pro- H the travel of the carriage may be regu lated to 'cover all or any'desired portion of the face of the ink fountain, and it is fre quently desirable to place dams across the fountain and ink only a portion of the face of the roller B.

As illustrated in Figs. 1, 2 and 3 e shank ofthe blade Gis curved with t e point of the blade as a center and seated in a socket in the carriage E and locked in place by means of'a set screw, thus enabling the blade to be inserted, removed or adjusted Without interfering with the roll or fountain. As illustrated in Fig. 4:, the shank 30 of the blade ispivoted to the carriage F at 31, and is adjustable by means of the slot 32 and is' also detachable. In Fig. 5 I have illustrated a modification videdwith adjustable resilient stop members to be engaged by said carriage, said carriage to shift said sliding clutch member v alternately into engagement with the respective loosely mounted clutch members to reverse the direction of feed of said carriage- 3. In an ink, distributing mechanism, an ink distributing member in combination with feeding mechanism comprising a carriage on which said ink distributing member is mounted to travel to and fro across the printing press, a threaded feed shaft to feed said carriage in either direction, clutch members loose on said feed shaft and positively driven in opposite directions, a sliding clutch member nonrota tably carried by said feed shaft, a shifting rod movable endwise and engaging said sliding clutch member, and adjustable spring cushadapted to other types of presses in which scribed is capable of considerable modification without departing from the principle of my invention.

ioned collars on said shifting rod to be engaged by said carriage to shift said sliding clutch member alternately into engagement with the respective loosely mounted clutch members to reverse the direction of feed of said carriage.

In testimony ,Whereof I -have aiiixed my signature in presence of two witnesses.

. C. IV. MILES,

WV. THORNTON BOGERT.

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