USRE19642E

USRE19642E - Printing press for producing wax

Info

Publication number: USRE19642E
Authority: US
Publication date: 1935-07-09

Description

July 9, 1935. G, A RUTKQ5K|E Er AL Re. 19,642

PRINTING PRESS FOR PRODUCING WAX CARBON SPOTS ON SHEETS OF PAPER Original Filed Jan. 18, 1955 l0 Sheets-Sheet 1 INVENOT'c'J A' f BY j 71x@ ORNEY July 9 1935- G. A. RUTKosKlE ET AL Re 19,642

PRINTING PRESS FOR PHODUCING WAX CARBON SPOTS ON SHEETS OF PAPER Original Filed Jan. 18, 1933 10 Sheets-Sheet 2 INVENTOI c g (L, 8%/ WW @iw XTTORNEY July 9, 1935.

G. A. RUTKOSKIE ET AL PRINTING PRESS FOR PRODUCING WAX CARBON SPOTS ON SHEETS OF PAPER Original Filed Jan. 18, 1953 10 Sheets-Sheet 3 INVENTOR M'ORNEY July 9, 1935- G. A. RUTKosKlE ET'AL Re. 19,642

PRINTING PRESS FOR PRODUCING WAX CARBON SPOTS ON SHEETS 0F PAPER 10 Sheets-Sheet 4 Original Filed Jan. 1B. 1953 q 3/ a 'L a I- 29 35 si -36 z :F gt g A RNEY July 9, 1935.A G. A. RuTKosKlE El Al. Re 19,642

PRINTING PRESS FR PRDUCING WAX CARBN SPOTS 0N SHEETS F PAPER l0 Sheets-Sheet 5 Original Filed Jan. 18, 1933 FIGB.

l| llll.

FIG. l0.

INVENTO s waw/ July 9, 1935.- G. A. RUTKosKlE Erm. Re. 19,642

Original Filed Jag. 18, 1955 10 Sheets-Sheet 6 FIG. I3.

FIG. l5.

M. m F

July 9, l935 G. A. nuTKosKlE Er A1. Re; 19,642

PRINTING PRESS FOR PRODUQING WAX 'CARBON SPOTS 0N 'SHEETS OF PAPER owmal Filed Jan. 1s, 195:5 1o sheets-sheet 7 FIG. I7.

July 9, 1935 G.. A. RuTKosKlE Er AL Re. 19,642

PRINTING PRESS FOR PRODUCING WAX CARBON SPOTS ON SHEETS OF PAPER Original Filed Jan. 18, 1935 l0 Sheets-Sheet 8 July 9, 1935. G, A, RUTK05K|E Er AL Re. 19,642

PRINTING PRESS FOR PRODUCING WAX CARBON SPOTS ON SHEETS OF PAPER Original Filed Jan. 18, 1933 10 Sheets-Sheet 9 ORNEY July 9, 1935 G. A. RuTKosKlE Er AL- Re. 19,642

PRINTING PRESS FOR PRODUGING WAX CARBON SPOTS ON SHEETS OF PAPER Original Filed Jan. 18. 19325 10 Sheets-Sheet 10 INVENTO 5 L z g md! :Mw

ORNEY Reued July 9, 1935 UNITED STATES PATENT OFFICE PRINTING PRESS F011 PBODUCING WAX CARBON SPOTS N SHEETS 0F PAPER George A. Rutkoskie and Nelson 8. Welk, Athens,

0hio, assignors to The McBee Company,

Athens, ohio, a corporation of Ohio Another object of our invention is to provide Our invention relates to presses of the class which are described in Patent No. 1,860,957, issued to George A. Rutkoskie, May 31, 1932, and has for its object to improve the apparatus for handling the carbon, the means employed for driving the rollers, the apparatus heating the rollers and the means of controlling the temperature of the rollers. As explained in that patent the device is mounted upon a Kelly press and as the Kelly press is a well known article of commerce, we shall not describe all of the parts thereof, but the description will be confined to the new features produced by us and which constitute additions to the press as manufactured by the Kelly Press Company.

As stated in the said patent, it has been found that, owing to the lack of tack in the melted wax carbon, the rollers must be positively driven at the time that they contact or it is impossible to secure a satisfactory spot carbon upon the paper. It has been found in practice that when the rollers are rotated in the manner provided by the drive of the Kelly press, the centrifugal effect causes considerable of the wax carbon to be thrown olf on to other parts of the press and on to the heating elements entailing considerable cleaning work. An object of our invention is to provide means to overcome this objectionable feature.

It has been found in practice that if the direction of rotation of the ink fountain roller is reversed there is less likelihood of it throwing off any of the wax carbon. To obtain this result we reverse the drive for the inking mechanism. We do this by reversing the position of the cam shaft driving pinion upon its shaft and shifting its position on the shaft, so that it meshes with the teeth of the cam shaft bevel gear on the opposite side of the bevel gear. We also change the timing of the inking mechanism by shifting both the ink fountain roller cam and the ductor roller cam |83 on the cam shaft. The result is to bring the ductor roller in contact with the ink fountain roller when the surface presented to the ductor roller is moving in a downward direction and also to time the period of rotation of the ink fountain roller so that it is rotating when the ductorroller touches it. This change in the timing of the ductor roller causes it to contact the vibrator roller when the surface of the vibrating roller presented to the ductor roller is moving in an upward direction. In order to do this it became necessary to mount the ink fountain upside down and to make special brackets to hold it in the new position.

means for obtaining a more uniform temperature for the rollers than can be done where the heating elements are mounted adjacent the rollers.

It has also been found that by locating the heating elements inside of the rollers that a more uniform temperature can be obtained with more eihclent results. Obviously mounting the elements in the rollers necessitates the provision of means for conveying current to the elements while they are being rotated. This was done by mounting collector rings on one end of the shaft which carry the elements and providing brushes to convey current thereto.

A further object of the invention is the provision of means to render it impossible for there to be any cessation of rotation on the part of the vibrator, ductor and ink fountain rollers at the time of their contact for it has also been found that the utilization of toothed gears for the rotation of the ductor roller by means of such gears on the vibrator and ink fountain roller will under certain circumstances, permit a slight cessation of rotation. We have found in practice that this can be entirely overcome by the provision of friction gears in the place of spur gears.

A further object of our invention is to provide means whereby it is possible to agitate the contents of the ink fountain and it has also been found desirable to provide manually operated means to agitato the contents of' the ink fountain.

A further object of our invention is to provide improved adjustments for the ink fountain blade for in the new method of handling the wax carbon it has been found in practice that it is necessary to provide adjusting screws at very close intervals for the adjustment of the ink fountain blade, in order to secure a sufiiciently fine ad justment to obtain a sharp edge for the strip of wax carbon compound.

A further object of our invention is to provide a construction which will prevent the deposit of wax from the ink plate for it has also been found in practice that it is necessary to provide for the exclusion of the wax from various parts of the machine and we have been obliged to place blocks in the corners of the bed plate to keep the wax from dripping down from the ink plate.

A further object of our invention is to provide means to render the electrical control much more sensitive for it has also been found that the thermo-couple will not act with suillcient frequency to maintain uniform temperature, i. e. it is slow to respond with the result that the rollers reach too high a temperature before the current is cut oil' and then when it is cut oil. the temperature drops too much before the current is again cut in. This necessitates the provision of means which are extremely sensitive for the purpose o! controlling this heat. We have found by locating an element exteriorto the elements in the rolls or other parts of the machine and placing a liquidheat responsive element in juxtaposition thereto that by regulating the spacing of the liquid heat responsive element from the element a very extreme degree of sensitiveness in control is obtainable and the rollers can be maintained at almost exactly uniform temperature. 'I'his is of the utmost importance for the reason thatiftheheatistoogreatthewaxwillcrystallizeandwillnotbeoperative. Ifitistoocoldit will not carry on the rollers at all. In the patent referred to, the lock-up base has the heating elements located in it.

A further object of the invention is to provide a construction by means of which the heating elements may be located in the bed plateinstead of the lock-up base for we have foimd in practice that by locating the elements in the bed plate of the press that considerable los of time is avoided in setting up the press for another Job.

Our means of accomplishing the foregoing objects may be more readily understood by having reference to the accompanying drawings which are hereunto annexed and made a part hereof, in

Fig. l is a top or plan view of our invention applied to an ordinary automatic feed printing press;

Fig. 2 is a perspective view showing the rollers. opened;

Fig. 3 is a perspective view with the rollers in position;

Fig.4isaviewshowingthegearsideofthe press showing the friction gear on the vibrator roller in contact with the friction gear on the ductor roller ;4

Fig. 5 is a similar view showing the friction gear on the ductor roller in contact with the friction gear on the ink fountain roller;

Fig. Il is an enlarged view partly in section showing our mannerof mounting the heating eiements in the rollers Pig.7isabottomviewofthebedplatepartly broken away to show the manner of mounting the heating elements therein Fig. 8 is a view of the front end of the bed plate;

l Fig.9isasideview;

Fig. i0 is an enlarged sectional view of the sliding contacts on line IIl--II in Fig. 9;

Fig. ll is a detail view of the thermo-couple; A

Pig. l2 is a fragmentary detailed view showing the mechanismusedinorderto reversethedirection of rotation of the ink roller and to change the timing of the ductor roller;

Fig. 13isanenlargcdcrosssectiontakenonthe line X-X in Fig. i, showing the ink fountain roller, ductor rollerl vibrator roller. distributing roller and one of the form rollers. the agitating device being omitted from the ink fountain;

Pig. i4 isadetailviewoi'theagitatingdevice for the ink fountain: l

l'lg. lisadetail viewoftheadiusting mechanism for changing the heat control;

Fig. lisadetailvlewofthcinkplateassemblvshowingthedrippanandguttersfor directexcess carbon intothe drip pan:

i7 is a fragmentary view of one side of the machine showing the collector rings for conveylng current to the heating elements in the rotating rollers:A

Fig. 18 is a wiring diagram;

Fig. 19 is a diagrammatic view of the back of the switch board, the machine being shown in more or less diagrammatic manner; and

Fig. 20 is a fragmentary view showing the operating mechanism for rotating the ink fountain and for moving the ductor roller, the wiring being omitted for the sake of clearness.

Similar reference numerals refer to similar parts throughout the entire description.

As shown in the drawings, the type bed or bed plate I of the machine may have mounted thereon the usual lock-up base. The bed plate I is heated by a number of electric heating elements I clearly seen in Fig. 7; They are mounted in sleeves which are inserted in apertures cast or drilled in the ribs I on the inside-of the bed plate i, as clearly seen in Figs. 'I and 8. This construction makes it possible to change one of the elements by merely disconnecting the wires at their extremities and drawing them out of the supporting ribs I. Obviously this can be done without tearing down the machine at all. The wires lead to brushes l which engage contacts l and l mounted in suitable insulation l and carried by a channel l. As clearly seen in the drawings the channel l extends completelyI over the contacts I and 1 so that they are amply protected from any excess or surplus carbon. The ink plate Il is also heated by an electric element Il which mayalso be connected to the sliding contacts i and 1. The carbon is placed in an ink fountain I2. the bottom of which is provided with two heating elements Il and I4.

A liquid heat responsive element Ii is mounted intermediate these heaters for the purpose of controlling the temperatures of the ink fountain I2. Inside of the ink fountain we mount an agitatingdevice which comprises a rod I6 and a paddle I1, the rod extending through the end wall Il of the ink fountain i2 providing for manual operation of the agitating device as it has been found in practice that it is highly important that even though melted it is essential to the most satisfactory operation of the machine that the melted carbon be agitated at intermittent periods.

rue upper para of the mk fountain is closed by a cover Il in which isy mounted the ink fountain blade 2l. We have found it essential for the adjustment of this blade to provide a multiplicity of adjusting screws 2| at closely spaced intervals in an of the cover Il as it is quite impossible to secure the necessary adjustment of the ink fountain blade otherwise, as shown. An electric heating element 22 is preferabLv mounted on the upwardly-extending portion 22. AIt need not be so mounted nor need the elements Il and I4 be located precisely as illustrated. They need only be adjacent the ink fountain and so located as to maintain the desired temperature of the wax carbon in the ink fountain.

-The melted compound in the ink fountain I2 is carried by the inkfountain roller 2d to the ductorrollerwhenceitpassestothe oscillating or vibrator roller 2l which is preferably formedofaspecialeompositicnwhichwillwithstand approximately a temperature of 200 l'. The melted composition is distributed from the vibrator or oscillating roller 20 to the distributingroller2`landihence`totheformroller2l.

extending portion 22 We have found itnecessary to provide a construction for the ink roller 24 and the vibrating roller 26 and in some cases this special construction may also be used for the form roller 28 though in the drawings we have not shown it for this roller. K

This special construction is more clearly seen by having reference to Fig. 6 in which the roller is mounted upon shafts 29 which carry two collars 3B and 3|. These collars have inwardly extending threaded

hubs

32 and 33 which are screwed into a cylinder 34. A hole is formed in one of the shafts 29 through which the electric conductors 35 pass to the heating element 36 which is mounted inside of the cylinder 34. It will be apparent from an inspection of Fig. 6 that it is a comparatively simple matter in case it becomes necessary to renew the heating element 36 to unscrew one of the collars and quick and convenient access to the heating elements is thus had. Below the ductor roller 25 we mount a liquid heat responsive element I1 to control the temperature of the rollers. 'I'he rotating heating elements are supplied with current through the medium of collector rings 3l and 39 mounted upon the shafts which carry

rollers

24 and 26. In some cases it may be found desirable to mount a heating element 95 adjacent the fixed or form roller 28. The collector ring 3B is engaged by brushes 4l) which are held against the segments by means of springs (not shown) in the usual or standard construction. The brushes are connected by means of electric conductors 4I to a suitable source of electrical supply (not shown). A similar set of brushes 42 are provided for the collector ring 39, electrical conductors 43 serving to convey current thereto; the brushes are mounted upon a block Sil which is secured to the arm 9| by means of a bolt 92, this arm Bi being the standard equipment of the press for reciprocating the oscillating or vibrator roller.

As is well known the form rollers 21' and 2l are driven by a reciprocating rack 44, the teeth of which engage the gear 45 which meshes with the gear on the shaft of the distributing roller 21 which in turn meshes with the gear 46 mounted on the shaft of the roller 28.

As hereinbefore set forth, it has been found that there is no tack in the melted carbon. It is therefore absolutely essential that the rollers be rotating at the time of contact. The ink fountain roller 24 is intermittently rotated ough the medium of the ratchet wheel 41 and the pawl 48 which is operated by the standard mechanism furnished on the press for this purpose. It is well known, however, that the ductor roller depends upon the tack in the ink to rotate it when it is brought into contact with the ink fountain roller. Wel overcome this lack of tack by changing the timing of the ductor roller to the time of rotation of the ink fountain roller so that the ink fountain roller preferably will be rotating at the time the ductor roller contacts it and then by mounting a friction gear 4! at the end of the shaft carrying the ink fountain roller 24, this gear coming in contact with the gear 5I mounted on the end of the shaft carrying the ductor roller 25 operates to cause it to be rotated when the two rollers are brought in contact. The ductor roller then travels from the ink fountain roller to the oscillating or vibrator roller 2i. On the shaft of this vibrator roller 2l we mount a friction gear lill as this vibrator roller 2t is rotated first in one direction and then in the other by the spur gears which are actuated by the reciprocation of rack 44 on the press. It is obvious that contact of the friction gears 50 and 5I will bring about rotation of the ductor roller 25 so that there will be no difiiculty in transferring the melted carbon from one roller to another. In the patent to Rutkoskie, hereinbefore referred to, he brings about this rotation by means of spur gears. The teeth of the gear on the ductor roller are pointed so that it will be impossible for them to engage the top of the gears on either the ink fountain roller or the oscillating roller. We have found in practice, however, that a perfect form of gear for this purpose is a friction gear. We. therefore, form the

gears

49 and 50 with V-Shaped peripheral grooves which are adapted to receive the friction gear Il mounted on the shaft of the ductor roller.

In the usual construction of a bed plate and inkplate, openings are to be found at the corners of the bed plate adjacent the ink plate In. We have found it necessary to insert

blocks

52 and 53 in these spaces which serve to prevent any surplus carbon from getting down into the operating parts of the machine. At each end of the ink plate` i2 we mount gutters 54 which lead to a drip pan 55 placed below and behind the ink plate iii. 'I'his receives and effectually prevents any of the surplus carbon reaching any of the operating mechanism of the machine. In the wiring' diagram, Fig. 18, liquid heat responsive elements i6 and 31 which consist of a hollow bulb and a tube lled with liquid are mounted adjacent the ink fountain i2 and the oscillating or vibrator roller 26. The bulbs are thus placed where the heat is to be controlled; as the heat increases it causes the liquid in the bulb to expand, thus exerting the pressure on the thermometer controller I6 shown in Fig. 19. This pressure opens the relay circuit in the thermometer controller. When this circuit is opened it opens coils in the relay switch 61. The purpose of this coil is to hold the contact closed on the load circuit. This circuit leads to whatever part of the press that this particular bulb controls the heat in. A small lever 58 at the base of the liquid heat responsive element controller 56 can be moved backwards or forward for lowering or increasing the heat. If moved to the left the liquid in the tube must go to a higher degree in order to exert enough pressure to break the contact. In order for the pressure to go to a high degree the elements are in contact longer. This holds the heat high adjacent the bulb. Moving the lever Sil in the opposite direction, of course, lowers the heat. There is no electric contact at any time with the liquid heat responsive element. T'he pyrometer 58 is in no way connected with the rest of the machine. It operates with and controls only the heat on the type bed. Practice has found it impossible to control this with a relay and bulb, for the reason that it would be necessary for the tube of the liquid heat responsive element to swing back and forth with the type bed. This-reciprocation would break the glass containing the heat responsive element in a very short time but with the pyrometer 52 connected by a nexible wire Il connected to a thermocouple 6I in the face of the type bed obviously it may swing back and forth with the travel of the type bed without brealnng. v 'Ihe heatcontrol on the side of the press and the manner in which it is connected to the heater mounted in the vibrating roller is clearly seen in the wiring diagram, Fig. 18. This thermometer l1 has no electrical connections of any kind. 75

We have not found it necessary to provide any heat control for the form rollers as we have found it is sufficient to control the heat only in the more vital points of the press but we provide a heating element B3 which can be adjusted towards or away from the face of the roller until located in the position to afford the requisite amount of heat required. On the switch board we provide pilot lights 64, 65 and 66. These lights are connected so that one side of the circuit is connected through the load circuit in the relay switch. The other side is connected directly to the bus line. 'I'he light 65 which is usually a green light indicates when the type bed circuit is closed. The light 64 which is usually a red light shows when the circuit leading to the fountain heating elements is closed and the other light 65 indicates when the vibrating roller circuit is closed. Single pole switches G1, 58, 69, 10 and 1| are provided in order to disconnect any circuit on the machine and leave the rest connected. Thisenables the operator to test the circuits working on any one part of the machine and will enable him to watch while the machine is in operation to see that everything is working properly. The relays do not control the heat. 'I'he thermometer bulb controls the heat. The main line switch 12 is provided to make or break the circuit leading to the electrical apparatus. Contacts 13, 14 and 15 close the circuit between the pyrometer and the relay switch which controls the type bed I. The elements in the ink fountain are hooked in parallel to the circuit which leads through the feeder circuit back to the relay. They are all controlled by one bulb and one relay switch. In Fig. 15 we have shown means for adjusting the control for the heater in the vibrating roller. It is mounted in. a casing 1i and comprises a controller bulb 11 formed by a cylindrical glass tube containing a liquid susceptible of quick response to heat variations the position of which can be varied by a screw 18 which is provided with a nut 19 on the outside and a nut 80 on the inside of the casing 16. We have found in practice that by moving this bulb towards or away from the heating element 8| which is connected in parallel with the heater in the vibrating roller that it will respond much more quickly than is possible where a thermocouple is employed being much more sensitive and avoiding the lag which is found where the thermocoupie is utilized for this purpose. This in practice has been found to enable the operator to maintain the rollers at almost exactly uniform heat. In order to reverse the direction of rotation of the ink fountain roller so as to throw the wax up on itself instead of down into the machine, we have found it necessary to reverse the position of the cams l2 and Bl on the driving shaft Il as clearly seen in Fig. 12. It is obvious that by reversing the positions of these cams that the direction of rotation of the ink fountain roller is changed, the pawl 4l being mounted on the opposite side of the ratchet wheel 41. It also operates to changethe timing of the ductor roller by causing it to come in contact with the vibrator roller when running in the opposite direction from the standard press. locating the pawl as shown in Fig. 20, also serves to turn the ink roller at a different time so that it may be rotating when the ductor roller touches it. The standard linkage ll is provided to regulate the amount of rotation of the ink fountain roller. Asshowninl'lg.2theinkfountainmller24 may be rotating at the time of contact with the ductor roller 25, this rotation being in such direction that the surface presented to the ductor roller is moving in a downward direction. When the ductor roller shifts to the position shown in dotted lines in Fig. 13, where it is in contact with the vibrator roller 2B, the vibrator roller is rotating in such a direction that the surface presented to the ductor roller is moving in an upward direction.

Having described our invention what we regard as new and desire to secure by Letters Patent is:

l. In a printing press having an ink fountain, an ink fountain roller, a rotating vibrating roller, a ductor roller adapted to intermittently contact the ink fountain roller and the vibrator roller, form rollers, shafts for said rollers, and mechanism for operating the press; a friction gear on the shafts of the vibrator roller, ink fountain roller and ductor roller, means to intermittently rotate the ink fountain roller in such a direction that the surface presented to the ductor roller moves in a downward direction, means to actuate said first named means, whereby the ink fountain roller may be rotating when the ductor roller contacts the ink fountain roller, means for timing the contact of the ductor roller so that the surface of the vibrator roller presented to the ductor roller is moving in an upward direction at the time the ductor roller contacts the vibrator roller.

2. In a printing press having an ink fountain. an ink fountain roller, a rotating vibrating roller, a ductor roller adapted to intermittently contact the ink fountain roller and the vibrator roller, form rollers, shafts for said rollers, and mechanism for operating the press; a friction gear on the shafts of the vibrator roller. ink fountain roller and ductor roller, means to intermittently rotate the ink fountain roller.in such a direction that the surface presented to the ductor roller moves in a downward direction, means to actuate said first named means, whereby the ink fountain roller may be rotating when the ductor roller contacts the ink fountain roller, means for timing the contact of the ductor roller so that the surface of the vibrator roller presented to the ductor roller is moving in an upward direction at the time the ductor roller contacts the vibrator roller, electrically operated means to heat said ink fountain roller and said vibrator roller, and means to maintain said heating means at a predetermined temperature.

3. In a printing press having an ink fountain, an ink fountain roller, a rotating vibrating roller, a ductor roller adapted to intermittently contact the ink fountain roller and the vibrator roller, form rollers, shafts for said rollers, and mechanism for operating the press; electric heating elements in said ink fountain and vibrator rollers, a collector ring on the shaft of each of said rollers, brushes for said collector rings, electrical conductors to lead electric current to said brushes, a rocker arm which reciprocates said vibrator roller, and a block secured thereto, the brushes for the collector ring of the vibrator shaft being mounted on said block.

4. In a printing press having an ink fountain, an ink fountain roller, a rotating vibrating roller, a ductor roller adapted to intermittently contact the ink fountain roller and the vibrator roller. form rollers, shafts for said rollers, and mechanism for operating the press; electric heating elements in said ink fountain and vibrator roll- :aus

ers,acollect`orring ontheshaftof thevibrator and ink fountain rollers, brushes for said collector rings. and electrical conductors to lead electrical current to said brushes.

5. In a printing press having an ink fountain, an ink fountain roller, a rotating vibrating roller, a ductor roller adapted to intermittently contact the ink fountain roller and the vibrator roller. form rollers, shafts for said rollers, and means to intermittently rotate the ink fountain roller in auch a direction that the surface presented to the ductor roller moves in a downward direction, means to actuate said first named means, whereby the ink fountain roller may be rotating when the ductor roller contacts the ink fountain roller, means for timing the contact of the ductor roller so that the surface of the vibrator roller presented in the ductor roller is moving in an upward dlrection at the time the ductor roller contacts the vibrator roller.

6. In a printing press having an ink fountain, an ink fountain roller, a rotating vibrating roller, a ductor rollerl adapted to intermittently contact the ink fountain roller and the vibrator roller. form rollers, shafts for said rollers, and mechanism for operating the press; a cover for said ink fountain, an ink roller blade mounted therein, a plurality of closely spaced adjusting screws for said blade, an electric heating element mounted on the top of said cover and a plurality oi' electric heating elements secured to the bottom of said ink fountain.

7. In a printing press having an ink fountain, an ink fountain roller, a rotating vibrating roller, a ductor roller adapted to intermittently contact the ink fountain roller and the vibrator roller, form rollers, shafts for said rollers, and mechanism for operating the press; a cover for said ink fountain, an electric heating element mounted on the top of said cover, and a plurality of electric heating elements secured to the bottom of said ink fountain.

8. In a printing press having an ink fountain. an ink fountain roller, a rotating vibrating roller, a ductor roller adapted to intermittently contact the ink fountain roller and the vibrator roller, form rollers, shafts for said rollers, and mechanism for operating the press; a cover for said ink fountain, an electric heating element mounted on thetop of said cover, a plurality of electric heating elements secured to the bottom of said ink fountain, and a liquid heat responsive element mounted intermediate the last named heating elements and connected to an electro-control device.

9. In a printing press having an ink fountain. an ink fountain roller, a rotating vibrating roller. a ductor roller adapted to intermittently contact the ink fountain roller and the vibrator roller.

form rollers, shafts for said rollers, and mechanism for operating the press; a cover for said ink fountain, an electric heating element mounted on top of said cover, a plurality of electric heating elements secured to the bottom of said inkrfountain, a manually operable agitating device in said fountain, and' means to manipulate said device lfrom the exterior of said fountain.

l0. In a printing press having an ink fountain, an ink fountain roller, a rotating vibrating roller, a ductor roller adapted to intermittently contact the ink fountain roller and the vibrator roller, form rollers, shafts for said rollers, and mechanism for operating the press; electric heating elements in said ink fountain andk vibrator roller,

a collectorrlng on the shaft of each oi' said rollersf brushes for said collector rings, electrical conductors to lead electric current to said brushes, a rocker arm which reciprocates said vibrator roller, a. block secured thereto, the brushes for the collector ring of the vibrator shaft being mounted on said block, a heat responsive element mounted below the ductor roller and between the ink fountain roller and the vibrator roller, said element being connected to an electric current control device.

ll. In a printing press having an ink fountain, an ink fountain roller, a rotating vibrating roller, a ductor roller adapted to intermittently contact the ink fountain roller and the vibrator roller. form rollers, shafts for said rollers, and mechanism for operating the press; a reciprocating type bed having a plurality of ribs on one side, there being a plurality of spaced apertures in said ribs, a plurality of cylindrical sleeves detachably mounted therein, electric heating elements in said sleeves, a plurality of sliding contacts secured to said reciprocating type bed. brushes for said contacts, and electrical conductors to carry current to said brushes.

l2. In a printing press having an ink fountain, an ink fountain roller, a rotating vibrating roller, a. ductor roller adapted to intermittently contact the ink fountain roller and the vibrator roller. form rollers, shafts for said rollers, and mechanism for operating the press; a type bed having a plurality of ribs on its under side, there being a plurality of apertures in said ribs, a plurality of cylindrical sleeves detachably mounted in said apertures, electric heating elements mounted in said sleeves, an ink plate secured to and moving with said type bed, electric heating elements in said ink plate, a thermo-couple mounted in said type bed, and a flexible conductor connected to said thermo-couple.

13. In a printing press-having an ink fountain, an ink fountain roller, a rotating vibrating roller, a ductor roller adapted to intermittently contact the ink fountain miler and the vibrator miler, form rollers, shafts for said rollers, and mechanism for operating the press; electric heating elements in said ink fountain and vibrator rollers, a collector ring on the shaft of each of said rollers, brushes for said collector rings, electrical conductors to lead electric current to said brushes, 'and an electric heating element mounted adjacent said form rollers.

14. In a printing press having an ink fountain, an ink fountain roller, a rotating vibrating roller, a ductor roller adapted to intermittently contact the ink fountain roller and the vibrator roller, form rollers, shafts for said rollers, and mechanism for operating the press; a type bed having a plurality of ribs on its under side, there being a plurality of apertures in said ribs, a plurality of cylindrical sleeves detachably mounted in said apertures, electric heating elements mounted in said sleeves, an ink plate secured to and moving with said type bed, electric heating elements in said ink plate, a thermocouple mounted in said type bed, a exible electrical conductor connected to said thermo-couple, a drip pan below said ink plate, and gutters at each end of the ink plate which lead to said drip pan.

l5. In a printing press having an ink fountain, an ink fountain roller, a rotating vibrator roller, a ductor roller adapted to intermittently contact the ink fountain roller and the vibrator roller, form rollers, shafts for said rollers, and mechanism for operating the press; a type bed having a plurality of ribs on its under side, there being a plurality of apertures in said ribs, a plurality of cylindrical sleeves detachably mounted in said apertures, electric heating elements mounted in said sleeves, an ink plate secured to and moving with said type bed, electric heating elements in said ink plate. a thermo-couple mounted in said type bed, a exible electrical conductor connected to said thermo-couple, and means to prevent surplus carbon dropping on the operating mechanism of the press.

16. In a printing press having an ink fountain, an ink fountain roller. a rotating vibrator roller, a ductor roller adapted to intermittently contact the ink fountain roller and the vibrator roller, form rollers, shafts for said rollers. and mechanism for operating the press; a casing mounted below the ductor roller and between the ink fountain roller and the vibrator roller, an electroheating element therein, a glass cylinder containing a liquid heat responsive element, terminating in a bulb mounted in said casing adjacent said element, an eye bolt supporting one end of said glass cylinder, and means to adjust the position of said eye bolt whereby the glass cylinder can be moved towards or away from said element.

17. In a printing press having an ink fountain, an ink fountain roller, a rotating vibrating roller, a ductor roller adapted to intermittently contact the ink fountain roller and the vibrator roller, form rollers, shafts for said rollers, and mechanism for operating the press; means to intermittently rotate the ink fountain roller in such a direction that the surface presented to the ductor roller moves in a downward direction, means to actuate said first named means,v means for timing the contact of the ductor roller so that the surface of the vibrator roller presented to the ductor roller is moving in an upward direction at the time the ductor roller contacts the vibrator roller.

18. In a printing press having an ink fountain, an ink fountain roller, a rotating vibrating roller, a ductor roller adapted to intermittently contact the ink fountain roller and the vibrator roller, form rollers, shafts for said rollers, and mechanism for operating the press; means to intermittently rotate the ink fountain roller in such a direction that the surface presented to the ductor roller moves in a downward direction, means to actuate said tlrst namedmeans, means for timing the contact of the ductor roller so that the surface of the vibrator roller presented to the ductor roller is moving in an upward direction at the time the ductor roller contacts the vibrator roller, electrical operating means to heat said ink fountain roller and said vibrator roller, and means to maintain said heating means at a predetermined temperature.

19. In a printing press having an ink fountain, an ink fountain roller, a rotating vibrator roller, a ductor roller adapted to intermittently contact the ink fountain roller and the vibrator roller, a form roller, shafts for said rollers, means to intermittently rotate the ink fountain roller in such af direction that the surface adjacent to the ductor roller will move in a downward direction. and means to actuate said first named means; means for timing the contact of the ductor roller so that the surface of the vibrator roller presented to the ductor roller is moving in an upward direction at the time the ductor roller contacts the vibrator roller.

20. In a printing press having an ink fountain, l an ink fountain roller, a rotating vibrating roller, a ductor roller adapted to intermittently contact the ink fountain roller and the vibrator roller, a form roller, shafts for said rollers, and mechanism for operating the press; a cover for said ink fountain, electric heating elements mounted adjacent said ink fountain to maintain the contents at the desired temperature, and a heat responsive element connected to an electro-control device.

21. In a printing press having an ink fountain, an ink fountain roller, a'rotating vibrator roller, a ductor roller adapted to intermittently contact the ink fountain roller and the vibrator roller, form rollers, shafts for said rollers, and mechanism for operating the press; electrical heating means in said ink fountain roller and vibrating rollers, collector rings on the shafts of the vibrator and ink fountain rollers, brushes for said collector rings, and electric conductors to lead electric current to said brushes, electrically actuated adjustable means to control the heating element in said heating roller.

22. In a printing press having anY ink fountain, an ink fountain roller, a rotating vibrating roller, a ductor miler adapted to intermittently contact the ink fountain roller and the vibrating roller, a form roller, shafts for said rollers, a casing mounted on the side of the press, an electric heating element therein, a cylinder containing a liquid heat responsive element terminating in a bulb. said heat responsive element being mounted in said casing adjacent said element, means to adjust the position of said cylinder so as to move it towards or away from said element, and mechanism for operating the press; electric heating elements in said vibrator roller, said heating elements being connected in parallel with the heating e1e-.

ment in the casing on the side of the press.

23. In a printing press having an ink fountain, an ink fountain roller, a rotating vibrator roller, a ductor roller adapted to intermittently contact the ink fountain roller and the vibrator roller, a form roller, shafts for said rollers, and mechanism for operating the press; the combination of a casing with an electric heating element therein, a heat responsive element mounted in said casing adjacent said heating element and gradually adjustable towards or away from said heating element in order to adjust the sensitivity of the heat control, with an electric heating element in position to heat various parts of the press, said heating element being connected in parallel with the heating element in said casing, whereby the temperatures of said parts of the press are maintained and controlled.

24. In a printing press having an ink foimtain, an ink fountain roller, a rotating vibrator roller, a ductor roller adapted to intermittently contact the ink fountain roller and the vibrator roller, a form roller, shafts for said rollers, and mechanism i'oroperating the press: a casing with an electric heating element therein, a heat responsive element mounted in said casing adjacent said heating element and gradually adjustable towards or away from said heating element in order to adjust `the sensitivity of the heat control, an electric heating element in the ink fountain roller, said heating element being connected in parallel with the heating element in said casing, whereby the temperature of said ink fountainroller is maintained and controlled.

25. In a printing press having an ink fountain. an ink fountain roller, a rotating vibrator roller, a ductor roller adapted to intermittently contact the ink fountain roller and the vibrator roller, a

form roller, shafts for said rollers, and

- for operating the press,

heating element therein, a

a casing with an electric heat responsive element mounted in said casing adjacent said heating element and gradually adjustable towards or 5 away from said heating element in order to adjust the sensitivity of the heat heating element in the vibrat control, an electric or roller, said heating element being connected in parallel with the heating element in said casing, whereby the temperature of said vibrator roller is maintained and controlled.

GEORGE A. RUTKOSKIE. NELSON S. WELK.