US1185670A - Inking mechanism. - Google Patents

Description

R. HOE- INKING MECHANISM.

' APPLICATION FILED MAY I2, 1915- I 1,1 85,670. Patented June 6, 1916;

3 SHEETSSHEET 1.

B. HOE. 'INKING MECHANISM.

APPLICATION FILED MAY 12, 1915.

Patented June 6, 1916.

3 SHEETS-SHEET 2 gwue/wbm R. HOE. INKING MECHANISM.

AFFLICATION FILED MAY 12' 1915.

1,185,670; Patented June 6,1916.

3 SHEETSSHEET 3.

| I l I I l l l l I l I Q Vi/tneoo. I awveutoz I ED s'ra'rns ra OFFTQE.

INKING MECHANISM.

Specification of Letters Patent.

Application filed May 12, 1915. Serial No. 27,534.

To all whom it may concern:

Be it known that I, ROBERT Hon, a citizen of the United States, residing at Battle Creek, in the county of Calhoun and State of Michigan, have invented new and useful Improvements in Inking Mechanism, of which the following is a specification.

This invention relates to inking mechanism for printing presses, and has special reference to mechanism for supplying ink to the distributing roll for use in web-presses.

One object of the invention is to provide a simple form of inking mechanism which may be easily cleaned, and in which the oscillating ductor is eliminated.

Another object is to provide a mechanism which will break up the ink more effectively and deliver it in better condition to the distributing roll; and still other objects will appear in the followingdescription and appended claims.

Referring to the drawings :Figure 1 is.

a sectional side elevation of the improved mechanism. Fig. 2 is adetail in section taken on the line 22 of Fig. 1. Fig. 3 is a sectional side elevation of a modification. Fig. 4 is a sectional side elevation of a modified form; and Fig. 5 is a detail in section of the mechanism shown in Fig. 4.

In inking mechanism commonly used in presses of this type, the ink is transferred fromthe ink fountain to the distributing roll by an oscillating ductor roll which is moved bodily from contact with the roll in the ink fountain into contact with the distributing roll. The roll in the ink fountain is usually actuated by a ratchet mechanism, and its movement is slow and intermittent; the distributing roll moves continuously and at a relatively high rate of speed. The duetor roll comes alternately into contact with the fountain roll and with the distributing roll so that its speed of rotation is varied within wide limits. By contact with the distributing roll, it is rotated at a relatively high speed, which it still maintains when it is moved into contact with the fountain roll, causing the latter to drive ahead of its ratchet actuating means, and also causing considerable wear and pounding of the rolls.

The present invention eliminates the oscillating ductor roll and in addition it provides means for a more thorough breaking up of the ink and a more perfect delivery of the ink to the distributing roll.

In the embodiment of the invention as shown in Figs. 1 and .2 a device which 1' term a feeder plate, 10, is used. This, in its 1 and 2 comprises a carriage 14 which is;

gibbed to the sides .15 ofthe feeder plate 10 as best shown in the Fig. 2. The carriage 14 carries an oscillating shaft 15 to which is attached a brush 16, preferably of leather. The carriage, shaft, and brush have a reciprocating movement over the feeder'plate and the brush16 is adapted on its downward 'movement to contact with the fountain roll 11, moving ink therefrom and transferring it to the feeder plate where it is broken up and spread out by the continueddownward movement of the brush, and then trans- Patented am e, 1916.

ferred to the distributing roll 13. The

brush upon the return movement of the carriage is automatically elevated so that it does not come into contact with the feeder plate.

The mechanism reciprocating the carriage 1 1 and automatically controlling the brush 16 comprises a cam 20 rotated by a shaft 21 forming a part of the press. A follower arm 22 is pivoted at 23 and is moved in one direction by spring 24 and in the opposite direction by the cam 20 which bears upon a roll 25 carried upon the follower arm. The lower part of the arm 22 is provided with a slotted bearing 26 which engages apin 27 upon an arm 28 fast to the shaft 15. Near each end of the feeder plate 10 is located 'a pin 30 which is normally driven upward by spring 31 so that it engages the carriage 14, looking the same in either of its extreme positions. Each pin 30 is provided with an off set lug 32 which is positioned to come into contact with an extension 33 extending from the slotted bearing 26 as best shown in Fig. 2. The operation of this mechanism is indicated by the dotted lines of Fig. 1. As there shown, the arm 22 is at the extreme end of its motion to the left and the brush 16 is in contact with the feeder plate 10, AS the cam 20 in its rotation moves the follower arm to the right the carriage 14 does not at first move as it is locked in position by the pin 30 and the shaft 15 is consequently rotated in the carriage causing the brush 16 to sweep up the curved part of the feeder plate until it brings the ink into contact with the distributing roll 18. At this point, as indicated by the dotted lines, the extension 33 upon the slotted bearing 26 has come into contact with the lug 32 upon the pin 30 and by depressing this locking member has released the carriage 14. The carriage is thereupon moved to its extreme right hand position and during this movement the brush 16 does not contact with the feeder plate. vVhen the carriage reaches its extreme right hand position the second pin 30 locks it in place and at the beginning of return movement of arm 22, the shaft 15 is again rocked, this time bringing the brush 16 into operative position, after which the pin 30 is automatically depressed as in the previous case and the carriage moves downward with the brush in contact with the fountain roll 11 and the feeder plate 10 until it reaches the position shown in full lines'in the figure.

In Fig. 3 a modification is shown in which the feeder plate indicated at 10 is a curved surface conforming with the path of plates 34 forming a part of the ink carrier 35 whichrotates about a fixed axis upon shaft 36. In this. modification the plates 34 operate to remove the ink from the roll 11, breaking it up upon the feeder plate 10, and delivering it to the distributing roll 13.

In the modification shown in Figs. 4 and 5, carrier plates 44 are mounted upon sprocket chains 45 which are continuously driven by sprocket wheels, as 46 and 47, carried upon rotating shafts 48, 49. The feeder plate 10 is positioned-as shown between the fountain roll 11 and distributing roll 13 and r the action of the brush '44 in this modification is the same as that of the brushes shown above. The brush is preferably formed of stiffened leather and the method of attaching to the chain is shown in Fig. 5 in which the leather is represented at 50 and a flexible steel backing plate is indicated at 51, the leather and plate being clamped by means of screw 52 to a lug 53 formed upon alink of the sprocket chain 45.

I claim:

1. In an inking mechanism for printing presses, a fountain, a distributing roll, a feeder plate intermediate'the said fountain and roll, and means for sweeping ink along the upper surface of the feeder plate and upon the distributing roll.

2. In an inking mechanism for printing presses, a fountain, a distributing roll and feeder plate intermediate the said fountain and roll and means for sweeping ink along the feeder plate and upon the distributing roll, the said means including a brush adapted to spread and to move the ink upon the feeder plate.

3. In an inking. mechanism for printing presses, afountainfa distributing roll and feeder plate intermediate the said fountain androll and means for sweeping'ink along the feeder plate and upon the distributing roll, the said'means including a plurality of brushes adapted to spread and to move the ink along the feeder plate.

ROBERT HOE.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents. washingtqmn. G.

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