US48199A - Machine for printing paper-hangings - Google Patents

Description

' [UNITED STATES FRANCIS S. MONROE, JE., OE

'PATENT OEETCE.

MACHINE FOR PRINTING PAPER-HANGINGS.

Specification forming part of Letters Patent No. 48,199, dated June 13, 1865.

To all whom it may concern.-

Be itknown that we,FRANc1s S. MoNRoEJr., of Gran tville, county of Norfolk, and THOMAS MASON, of Boston, county of Suffolk, all of the State of Massachusetts, have invented an Improved Machine for Printing Paper-Han gin gs, &c. 5 and we do hereby declare that the following, taken in connection with the drawings which accompany and form part of this specification, is a description of our invention sufficient to enable those skilled in the art to practice it.

This invention relates to the construction of elastic-surfaced cylinder-machines for printing paper-han gin gs,tbe improvement consistingin the arrangement or combination with an elasticsurfacedprinting-cylinder, of an endless band or series ofcolorrolls receiving ink from a colortrough through the medium of atrough-roll and distributin g-rolls, and having the color evenly laid upon them by thepassa ge of the rolls over and in contact with a convex tablet, and the reciprocating lateral motion imparted to the tablet.

Amachineembodyingourinventionis shown iu the drawings, Figure l denoting a side elevation, and Fig. 2 a vertical longitudinal section of the same. Y

a denotes the frame of ,the machine, supporting in suitable bearings a shaft, b, carrying a cylinder, c, which is covered by an elastic sur-a face, d, havin g the design to be printed upon the paper congurated upon it. Upon the top of the frame, and atl or near the opposite ends thereof, are two shafts, ef. On the two ends of the driving-shaft e sprocket-wheels g are fixed, guide-wheels h being placed in corresponding position on the othershaft, f. Around each setofwhcels afan endless sprocket-chain, i, works, these chains 4supportiing a series f elastic color-rolls, k, as seen in the drawings. A drum, l, is mounted upon the drivin g-shaft e, and an elastic distributing roll or drum, m, upon thelshaft f. This distributing-roll receives its color from a colorroll, n, revolving in a color-trough, o, through au intervening friction-1011,19, which is so hung as to be in con` tact with the surfaces of both rolls a m, Athus taking the color from the roll n and feeding or laying it upon the roll m..

The color-rolln receives motion from the connection of a pulley on its outer end with apulley on the corresponding end of the driving-Shaft e by a cross-belt, q. This rotary motion it communicates by contact to the feedroll p, which by friction rotates the distributing-roll m, the several arrows in Fig. 2 denoting'the direction of movement ofthe respective rolls and the endless series of rolls. The roll m is loose upon its shaft, its rotary motion being in a direction opposite to the motion of the series ot' rolls lc. The rotation of the driving-shaft imparts motion through its sprocket-wheels to the endless series of rolls lc, and as each roll lo reaches the distributing-roll m it is rotated by contact therewith, and receives its color from Such rotation and contact. Immediately after passing the distributingroll each roll 7c, in the continuation of its movement, is carried onto a long convexsurface tablet, r, extending across the machine and from the roll m to the drum l. The surface of this tablet is made smooth, and by its convex surface the tendency of the sprocket-ch ains to draw the line of rolls into a straight line causes the rolls as they pass over this tablet to press down upon its surface, and by this pressure and their rotation against this tablet the ink is laid evenly upon their surfaces.

To prevent lines from forming upon the tablet and rolls a lateral motion is imparted to the whole series of rolls at each semi-rotation ofthe driving-shaft, as follows: The drum lis incapable of rotation upon its shaft' e, but slides upon said shaft, and theV adjacent end of the tablet is fastened to the ends of this drum. A cylinder, s, having a cam-groove, t, formed in it, as seen in Fig. 3, which `is a central section ol'a portion of the drum, is Xed upon the shaft, and into this groove a pin, a, extends from the drum, which is made hollow to receive the cylinder s. It will be readily understood that rotation of the shaft will cause the cam-groove to.

impart a lateral movement to the pin u, and thence to the drum and tablet. After Vthus passingover the tablet and by the drum l the rolls reach the surface of the prin ting-cylinder c, by contact with which they successively rotate, motion being communicated to the cylin-l der c bya cross-belt, o,running around a pulley on the shaft b and one upon the driving-shaft e, the movement of the cylinder being so graduated that the successive rolls 7c lay their color upon its Whole surface in their progress. The paper receives its impression of color between an elastic pressure-roll, w, and the congurated surface of the cylinder c, as will be readily understood, the rotation of the cylinder c against the paper held between it and the roll w feeding the paper through as it is printed.

A machine thus organized and arranged is found to be very reliable in its action, affordin g a cheaper and more satisfactory means of coloring or printing paper-hangings than is obtained by machines now in use for this purpose.

We claim- The endless series of ink-rolls 7c and the tablet i". when combined and arranged to operate together and in connection with the inkin g apparatus and the elastic printing-cylinder c, substantially as set forth.

In witness whereof We have hereunto setour hands this 24th day of January, A. D. 1865.

F. S. MONROE, JR. rIn presence o'- THOMAS MASON.

FRANCIS GOULD, HENRY PUFFINBARGER.

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