US1717606A - honigmann - Google Patents

Description

June 18, 1929. H. HONIGMANN I SHEET DRYING MECHANISM 2 Sheets-Sheet 1 Filed July 5, 1927 I NVEN TOR.

ORZEYS.

June 18; 1929; H. HONIGMANN SHEET DRYING MECHANISM i e y 1927 2 Sheets-Sheet 2 I N V EN TOR. r'ymamr Patented June 18, 1929.

UNITED STATES PATENT OFFlQE.

HANS HONIGMANN, OF EAST CLEVELAND, OHIO, ASSIG-NOR TO THE CHANDLER AND PRICE COMPANY, OF CLEVELAND, OHIO, A CORPORATION" OF GHIO.

SHEET-DRYING MECHANISM.

Application filed July 5,

The present improvements relate more par ticularly to a mechanism for drying printed sheets of paper as they are delivered from the printing couple of a printing press. In

the case of printing presses of the bed and cylinder type, for example, the sheets are fed through at a very rapid rate, so rapid that if immediately stacked, the ink thereon will be fresh enough to blur or offset. One object of the present invention, accordingly, is to provide for the transport of the sheets in separated condition from the delivery mechanism of the press to the receiving table and by thus retarding and slowing up the stack ing of such sheets, the ink thereon is given time to dry. The arrangement of parts, furthermore, is such that artificial heat may be supplied to increase the rate of drying.

While thus designed more particularly for for use in connection with printing presses and for drying printed sheets of paper, it is not intended to imply any limitation necessarily to this field of use, but the present improved mechanism is equally adapted for other analogous uses where thin sheets of paper or other material. require to be dried.

To the accomplishment of the foregoing and related ends, the invention, then, consists of the means hereinafter fully described and particularly pointed out in the claims, the annexed drawings and the following description setting forth in detail certain mechanism embodying the invention, such disclosed means constituting, however, but one of various me chanical forms in which the principle of the invention may be used.

In said annexed drawings Fig. 1 is a side elevation of my improved drying mechanism shown as attached to the delivery end of a so-called cylinder or bed and cylinder type of printing press; Fig. 2 is an end elevation of such mechanism as viewed from the left in Fig. 1; Fig. 8 is a sectional view of a portion of the mechanism taken on the plane indicated by the line 33, Fig. 2, but on a somewhat larger scale; Fig. f is a sectional view of a detail taken on the plane indicated by the line 4 4, Fig. 3; Fig. 5 is a sectional view of the same detail taken at right angles to that of Fig. 1, as indicated by the line 5-5 on the latter; and Fig. 6 is an elevational detail.

As indicated, the present mechanism is designed to be attached to the delivery end of printing Of such press, oniy a corre 1927. Serial No. 203,504.

sponding end portion of the main frame 1 is shown in Fig. 1 with the belt conveyor 2 suitably supported thereabove by means of which the sheets after being printed are successively borne away for deposit on the delivery or receiving table 3. The latter, as shown, inclines slightly inwardly, being carried on the upper end of a rack support 4 that is slidably held in a suitable bracket 5 attached to the main frame 1. Guides 6 that extend upwardly at an appropriate angle of inclination from bracket 5 at the same time serve as a rest for the stack of paper accumulating on table 3 and as a support for the outer end of the delivery mechanism.

A pinion 7 that meshes with the rack teeth on support 4 and an operating handle 8 for said pinion serve to raise and lower table 3, but it will be understood that additional means, not shown and forming no part of the present invention, will ordinarily be provided automatically thus to lower the table at the proper rate of speed.

The drying mechanism of present interest is supported from the respective guide members 6 by two horizontally extending parallel arms 10. In the outer ends of each of the latter (see Fig. 2) a vertical rod 11 is adjustably secured by means of a set screw 12, and the two rods are in turn connected together at their lower ends by a cross member or bar 18 rigidly secured to such ends and at their upper ends by a corresponding cross member or bar 14- that is adjustably secured to the rods by means of sleeves 15 that have threaded engagement with such ends.

The cross member 13 is formed with a pair of transverse slots 16 in each of which is ad-' justably mounted an inwardly projecting stud shaft 17 that carries a pulley or sprocket wheel 18, the latter lying closely adjacent the inner face of the member, as shown in Fig. 1. The upper cross member 14 is provided with slots 19 that correspond in location with the slots 16 in the lower cross member and in each such slot 19 is similarly adjustably mounted a stud shaft 20 that carries a pulley or wheel 21., such pulley or wheel 21 being vertically aligned with respect to pulley or wheel 18. Around each such pair of vertically aligned pulleys or wheels there is passed an endless belt or chain 22, to the outer face of which is attached a series of horizontally extending inwardly projecting fingers These are securely riveted or otherwise CPI allixed to the belts so as to lie in substantially parallel relation with each other at all. times and they are furthermore equidistantly spaced on such belts and the latter so adjusted that corresponding fingers on their adjacent portions will lie approximately in the same plane.

Journaled in suitable bearings 25, located at the respective ends of the lower cross member or bar 13 is a transverse shaft 26, one end of which, that at the left as shown in Fig. 2,

projects a short distance beyond the corresponding bearing and has fixed thereon a handled lever 2". A helical spring 28 that surrounds such projecting portion of the shaft is secured at one end to the bearing and at the other to the lever so as to tend normally to rotate the latter and thus the shaft in a predetermined direction, e. g. counter-clockwise, as shown in Fig. 1. A link 29 is conneet d at one end to the lever 27 and at its other end to an intermittently moving member (not. shown) of the press whereby said lever and thus the shaft is neriodicall rocked in the opposite direction. Adjustably keyed on the shaft 2'6 are two short levers 30, the inner ends of which are designed to lie alongside of the respective bolts 22. Transversely reciprocable in such lever ends are pins or plungers 83 that are normally pressed towards the belts by means of springs 34 that bear against their inner ends, the engagement of such springs with the inner ends of the pins being such (see Fig. as to hold the pins against rotation. The inner ends of the pins, as likewise best shown in Fig. 5, are cut straight across and beveled slightly so as to be adapted to engage with the successive fingers fixed to said belt, that is, the portion of the finger that overlies the belt.

The extent of the portions of the fingers wherewith the pins 33 thus engage is such that having regard to the angle of oscillation of shaft 26 and the arms 80 carried thereby, said pins while in engagement with the fin- .gers upon clockwise movement of the shaft will force the fingers and thus the corresponding belts down far enough so that upon reverse oscillation of the shaft and arms, the fingers will be brought into engagement with the next succeeding pair of fingers. In other words, the intermittent motion imparted to the shaft in the manner just described serves in turn to impart an intermittent movement to the successive belts and the fingers carried thereby.

The operation of the mechanism as a whole should be readily understood from the foregoing description of its construction and the operation of its several component parts. As successive sheets are discharged by the de livery conveyor 2, a pair of fingers 23 will lie in proper position to receive such sheet, the distance between the belts being adjusted by shifting the positions of the stud' shafts 17 and so that such sheet will be nicely balanced. by such fingers without bending enough to drop between them. The movement of the delivery conveyor is of course co-ordinated with the operation of the press just as is the oscillation of shaft 26. Accordingly, in the interval between the delivery of the successive sheets, the shaft will oscillate to lower the fingers on which the previous sheet has been thus received sufiiciently to bring the next pair of fingers into sheet receiving position. As the fingers reach the lowermost por tion of their path of travel, they are simultaneously carried outwardly around the corresponding lowermost pulleys or wheels 18 until they are finally entirely disengaged from the sheet and the latter is left free to drop onto the table 3.

As previously indicated, means may be provided to accelerate the drying of the sheets as they are thus lowered into spaced relation by means of the mechanism just described. Thus, for example, a series of electric heating elements carried in a suitable frame, as shown in Fig. 6, may be supported forwardly of and adjacent the free ends of the fingers. The frame, as shown, is in the form of a curved reflector by which the heat from the elements 35 will be directed across the sheets as they are carried downwardly by the fingers past the heater.

For the purpose of insuring proper align ment of the sheets as they are deposited on the table 3, a stop bar 40 will be desirably employed, such bar depending vertically between the two belts and being adjustably supported at its upper end by means of a rod ll that is secured to the upper transverse member of the frame by a set screw 42. It will thus be seen that the bar may be readily adjusted inwardly or outwardly to take care of sheets of different width, so that as such sheets are received on the fingers from the delivery conveyor, they will be uniformly positioned as well as held against displacement throughout their path of travel until they are finally dropped onto the table.

Other modes of applying the principle of my invention may be employed instead of the one explained, change being made as regards the mechanism herein disclosed, provided the means stated by any of the following claims or the equivalent of such stated means he em ployed.

I therefore particularly point out. and distinctly claim my invention 1. In mechanism of the character described, the combination of a pair of vertically disposed endless belts; horizontally directed, parallel fingers attached to said belts, and projecting axially, and means for intermittently moving both belts.

2. In mechanism of the character described, the combination of a pair of vertically disposed endless belts; horizontally pro till j ecting, parallel fingers attached to said belts; and means successively engaging the fingers to intermittently move the belts in unison.

3. In mechanism of the character described, the combination of a pair of vertically disposed endless belts; horizontally projecting, parallel fingers attached to said belts; means adapted intermittently to move the latter in unison; and a vertical stop bar located intermediately of said belts.

4. In mechanism of the character described, the combination of a. pair of vertically disposed endless belts; horizontally pro j ecting, parallel fingers attached to said belts; means adapted intermittently to move the latter in unison; and a vertical stop bar located intermediately of said belts and adjustable transversely of the plane thereof.

5. In mechanism of the character described, the combination of a pair of vertically disposed endless belts; horizontally directed, parallel fingers attached to said belts and pro jecting axially; means adapted intermittently to move the latter in unison; and radiant heating means located. adjacent to the path of travel of said fingers.

6. In mechanism of the character described, the combination with a frame including two transversely disposed members; two pulleys mounted on each of said members, said pulleys lying in approximately the same plane, and corresponding pulleys being vertically aligned; an endless belt passing around each two vertically aligned pulleys; means for varying the spacing between the belts; and horizontally projecting fingers attached to said belts.

7. In mechanism of the character described, the combination with a frame including two transversely disposed members; two pulleys mounted on each of said members, said pulleys lying in approximately the same plane, and corresponding pulleys being vertically aligned; an endless belt passing around each two vertically aligned pulleys; horizontally projecting fingers attached to said belts and projecting axially; and means including a rock-shaft for intermittently moving the belts in unison.

8. In mechanism of the character described, the combination with a frame including two transversely disposed members adjustable relatively to each other; two pulleys mounted on each of said members, said pulleys lying in approximately the same plane, and corresponding pulleys being vertically aligned; an endless belt passing around each two vertically aligned pulleys; and horizontally projecting fingers attached to said belts.

9. In mechanism of the character described, the combination with a frame including two bracket supports, rods Vertically adjustably secured to said supports, and two transversely disposed members secured in turn to said rods so as to be adjustable relatively to each other; two pulleys mounted on each of said members, said pulleys lying in approximately the same plane, and corresponding pulleys being vertically aligned; an endless belt passing around each two vertically aligned pulleys; and horizontally projecting fingers attached to said belts.

10. In mechanism of the character described, the combination with a frame includ ing two transversely disposed members; two pulleys mounted on each of said members, said pulleys lying in approximately the same plane, and corresponding pulleys being vertically aligned; an endless belt passing around each two vertically aligned pulleys; horizontally projecting fingers attached to said belts; and means adapted intermittently to move the latter in unison, said means incl uding an oscillatory shaft extending transversely of said belts and members carried thereby adapted to engage directly with the portions of said fingers overlying said belts.

11. In mechanism of the character described, the combination with a frame including two transversely disposed members; two pulleys mounted on each of said members, said pulleys lying in approximately the same plane, and corresponding pulleys being vertically aligned; an endless belt passing around each two vertically aligned pulleys; horizontally projecting fingers attached to said belts; and means adapted intermittently to move the latter in unison, said means including an oscillatory shaft extending transverse ly of said belts and resiliently actuated plungers carried thereby and adapted to engage directly with the portions of said fingers overlying said belts upon oscillation of said shaft in one direction.

12. In mechanism of the character described, the combination with a frame including two transversely disposed members; two pulleys mounted on each of said members, said pulleys lying in approximately the same plane, and corresponding pulleys being vertically aligned; an endless belt passing around each two vertically aligned pulleys; horizontally projecting fingers attached to said belts; and means adapted intermittently to move the latter in unison, said means including an oscillatory shaft extending transversely of said belts andv members carried by and longitudinally adjustable along said shaft, said members being adapted to engage directly with the portions of said fingers overlying said belts.

Signed by me, this 1st day of July, 1927.

HANS HONIGMANN.

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