US363328A - X x x x x - Google Patents

Description

(No Model.)

E. L. 8a S. G. GOSS.

` SHEET DELIVERY EOE PRINTING MACHINES. No. 363,328. y Patented May 17.1887.

NITE Sres PATENT triest 4 FREDERICK L. GOSS AND SAM G. GOSS, OF CHICAGO, ILLINOIS, ASSIGNORS TO THE GOSS PRNTING PRESS COMPANY, OF SAME PLACE.

SHEET-DELIVERY FOR PRINTING-MACHINES.

SPECIFICATION forming part of Letters Patent No. 363,328, dated May 1'7, 1887.

Application filed October 11, 1886. Serial No. 215,927.

To @ZZ whom it may concer-m I Be it known that we, FREDERICK L. Goss and SAM G. Goss, citizens of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented a .Certain new and useful Improvement in Sheet- Delivery for Printing-Machines; and we hereby declare the following to be a full, clear, and exact description of the same.

Our improvement relates to the attachments used upon printing-presses, particularly newspaper-presses, wherein the printing is done upon sheets of uniform size for facilitating the delivery of the printed sheets in an orderly pile (or to a folding-machine, it' provided) by discharging two or more sheets with one operation of the fly.

It is our object to provide simple and effective means for accomplishing the purpose named; and to this end our invention consists in the general construction of the mechanism we employ; and it also consists in certain details of construction and combinations of parts, all as hereinafter more fully set forth.

The drawings illustrate our improved sheetdeliverer arranged to discharge two sheets in one operation, and attached to a printing-press of that class in whichthe paper is unwound from a roll and run through the printing-press proper in a continuous web, and is then divided into sheets of a uniform size by thc action of a revolving or reciprocating perforater, which perforates the paper in a line transversely to the length of the web, complete severance of the sheets being effected by the action of accelerated rolls or other suitable means.

Broadly stated, we effect the object of our invention by automatically directing, by means of endless tapes, the sheets (as they emerge from the press and after severance, when neccssary, has been completed) alternately above and below an oscillatory switch-board provided with means for stopping the sheet that passes above it at the proper moment until the sheet next following, which passes below the switch-board, has traveled an equal distaneewith the first sheet, when the iirst sheet is automatically released from the medium which detains it and both sheets are caused to travel together.

(No model.)

In the drawings, Figure l is a sectional side elevation of our improved delivery attachment, and Fig. 2 an enlarged broken plan view of the nose or forward end of theswiteh-board with the adjacent grooved tape-pulleys.

The various tape-bearingpulleys hereinafter described are always arranged in series, (via, a number upon a single shaft at suitable distances apart, as indicated in Fig. 2,) though only one pulley of each of the series illustrated is shown in Eig. l of the drawings. It will therefore be understood that a letter designating a pulley refers also toits companions upon t-he same shaft, and that a letter designating an endless tape also refers to a series.

A A are knife-cylinders upon the frame of the printing-press,with which our `device may be integral or connected, our improvement bcing an attachment upon or for a printing-press.

B denotes `the upper endless tapes, and C the lower endless tapes, which move at a uniform speed and clamp the perforated web of paper as it enters between the pulleys r and r' and convey it from the knife-cylinders to the delivery of our improved construction. The tapes B and C pass over the pulley g, then separate, the tape B sliding over the oscillatory switch-board D to the pulley p, where it joins the tape G, which passes from the pulley q to the pulley p underneath the switch-board D. The pulley q is larger than the pulleys r, r', and p, and is grooved around its periphery sufficiently to receive the tape O and present a surface on each side of the groove to the sheet which passes over it, whereby the accelerated speed of this pulley, owing to its greater diameter, will cause the sheet to separate from the sheet which follows it, as hereinafter described.

The oscillatory switch-board D should be of a width at least equal to, and a length somewhat greater than, the sheet which the press to which our device is designed to be attached is of capacity to print, and is pivoted toward its rear end to the 'frame on each side by a shaft, o, which runs transversely through the switch-board. The forward end of the switchboard is caused to oscillate by the rotation of a cam, n, against the joint of a jointed lever, m, which is fulcrumed at m to the frame and attached to the switch-board at m2. The switchboard D is provided toward its forward yend with a transverse recess or notch, E, deepest at its forward extremity and diminishing gradually to the surface of the board. The front end of the switch-board D is recessed,as shown at Z, Fig. .2, to receive the accelerated grooved pulleys q. The guides or projections 7c, formed by the recesses Z in the switch-board, lie between the pulleys g and extend nearly but not quite across the diameter of the latter, and are sharpened and bent downward to conform in shape tothe peripheries of the pulleys g, as shown in Fig. 1.

Directly above the recess E, and to enter the same When the switch-board is raised by the action of the cam n, as before described, stationary and preferably rubber-tipped ngers F are provided projecting toward the switchboard at about a right angle with the plane of the same and arranged at .intervals along a shaft which extends transversely across the device.

Our device is arranged to receive its motion from the printing-press to which it is attached and with which it is timed to cause the various .parts to perform their functions at the right moments.

The operation of our improved delivery is as followsr The web of partlydisconnected sheets of paper passes between the tapes B and C to the grooved accelerated pulley q, and the switch-board D being down, as shown by full lines in Fig. 1, the first sheet passes with the tapeB over the oscillatory switch-board D, the accelerated speed of the pulley Q in the meantime completing the severance of the first sheet from the next following. VVhenthe rear edge of the first sheet after severance has reached or nearly reached the pulley q, the switch` board D is caused to rise, as shown in an exaggerated degree by dotted lines in Fig. 1, by the action of the cam a, as hereinbefore dev scribed, the stationary finger device F enter- 'multaneously with the second sheet.

ing the recess E at the right moment to press the rear end of the sheet against the`Y bottom of the recess, which causes the sheet to stop, the rear edge of the sheet as it lies in the recess being out of contact with the moving tape B, which otherwise would have a tendency to tear it. 'Ihe rise of the switch-board is just sufficient to permit the second sheet to glide under the guides 7a and travel with the tape C underneath the switch-board. When the second sheet has advanced a sufficient distance, they first sheet is released from its impingenient against'the stationary finger device F by the lowering of the switch-board, and through the medium of the cam n is carried by the tape B past the pulley p, which it reaches si- The fly, (not shown,`) which is situated, if provided, just beyond the pulley p, then discharges both sheetsjin one operation.

In'Fig. 1 of the drawings we illustrate the operation of the oscillatory switch-board by means of dotted lines. To render the operation clear by these means, owing to the cornkis outof` proportion, and consequently also the relative position of the fingersF to be struck by the switch-boardlat the recess E must extend. closer toward its surface than represented. In practice, the rise of the switchboard is so slight (being only sufficient to permit the ready passage underneath it of asheet of paper) that the tapes, when taut in the usual degree, do not present sufficient resistance to interfere with it.

What we claim asY new, and desire to secure by Letters Patent, is-

1. In a sheet-delivery for printing-presses,-

`the oscillatory switch-board D, in combination with stopping mechanism comprising a stationary finger device, F, extending toward one surface of the switch-board, whereby a sheet guided across the said surface is stopped and delivered simultaneously with'a succeed-- `ing sheet guided across the opposite surface of the switch-.board,substantially as described.

2. In a sheet-delivery for printing-presses, the oscillatory switch-board ID, recessed transversely across one surface, in combination with stopping mechanism, substantially as described, for pressing the edge of a sheet into the recess, whereby a sheet guided across the recessed surface of the switch-board 1s stopped and delivered simultaneously with a succeeding sheet guided across the opposite surface of the switch-board, substantially as described.

3. In a sheet-delivery for printing-presses, the combination of the stationary fngersF and the oscillatory switch-board D, having a recess, E, transversely across one surface to coincide with the fingers F and oscillate to impinge at intervals against the latter, whereby a sheet guided between the switch-board D and fingers F is stopped in each oscillation of the Vswitch-board by the inipingement of the' recess E against the fingers F, substantially as and for the purpose set forth.

4. In a sheet-delivery for printing-presses, the combination, with the upper and lower series of carrying-tapes, of a switch-board, D, located between the two series of carryingtapes and pivotcd toward its delivery' end, mechanism, substantially as described, for oscillating the switch-board upon its pivot, whereby the separated sheets passalternately' IOO IIO

over and under the board, and a stationary finger device, F, extending toward the board to stop the preceding sheet of a pair upon one side of the same until the succeeding sheet upon the opposite side of the board has traveled a corresponding distance, and then releasing the sheet so stopped to permit the two to proceed coincidently, substantially as described.

5. In a sheet-delivery for printing-presses, the combination, with the carriers B and C, of the switch-board D, located between the two carriers and pivoted toward its delivery under the switch-board and the preceding end to the frame, and provided with a transsheet of a pair is stopped by the pressure upon verse recess, E, toward its receiving end, and it of the lingers F until the succeeding sheet with guide projections 7c at its receiving end, has traveled a corresponding distance, and 1 s 15 y 5 extending into the spaces between the tapes, then released and allowed to proceed coinelstationary fingers F, projecting toward the redently with the second sheet. cess E, and cam mechanism, substantially as FREDERICK L. GOSS. described, for oscillating the switch board SAM G. GOSS. upon its pivot into and ont of contact with the In presence of- 1o fingers F, substantially as described, whereby C. O. LINTHICUM,

the separated sheets pass alternately over and J. DYRENFoRTI-I.

Images