US1502668A - Printing press and other like machine - Google Patents

Description

Juiy 29. 1924.

C. \N. HARROLD PRINTING PRESS AND OTHER LIKE MACHINE Filed Oct.

Patented July 29, 1924,

"- STATES r'rsnr CHARLES W. HARIROLD, OF CLEVELAND, OHIO, ASSIGNOR- TO THE HARBIS AUTOMATIC PRESS COMPANY, OF CLEVELAND, QHIO', A CORPOBATIGN OF OHIO.

PRINTING PRESS AND OTHER LIKE I'ZACHINE.

Application filed October 10, 1921.

T aZZ whom it may concern:

Be it known that I, CHARLES W. Han now, a citizen of the United States, and a resident of the city of Cleveland, in the county of Cuyahoga and State of Ohio, have invented certain new and useful Improvements in Printing Presses and other like Machines, of which the following is a specification, reference being made to the accompanying drawin 's, forming a part thereof.

hily invention refers more particularly to sheet-fed printing-presses and, the mecha; nism for securing the proper feeding of the successive sheets to the press, and the objects of my invention are, among other things, to provide a simple and effective means to adjust, by a single operation, the relative operations of the devices for feeding and positioning the sheet preparatory to its beinqseized by the grippers on one of the members of the printing couple, and thereafter to be drawn into the press. Heretofore it has been necessary to separately adjust and co-ordinate the different mechanisms for operating the stop-finger, the drop-rolls, the side-register and the feed-rolls, each in predetermined relationship to the other three mechanisms which are usually employed for feeding sheets to the press; whenever it has become neces' sary to change the time of any one of these mechanisms with relation to the press, as in advancing or retarding the action of the feed-rolls, or varying in any manner the feeding of the sheet to the cylinder-grippers, it has been also necessary to reset each of the other three mechanisms, which resettings therefore required considerable time and nicety of adjustment in order that all the other mechanisms should properly coact in feeding and positioning the successir sheets being fed to the press.

A further object of my invention is to employ an improved device embodied in the sheet-feeding mechanism whereby the feeding of the sheets to the cylinder-grippers can be advanced or retarded by a simple, yet effective, adjustment in a shiftable disk attached to the driving gear with the result that all four mechanisms are likewise advanced or retarded, and the correct relationship of all four mechanisms with one another accurately maintained.

I will now describe the machine embody- Serial No. 506,558.

ing my invention as shown in the accompanying drawings, and will thereafter par ticularly point out my invention in the appended claims.

Fig. 1 is a general side elevation of so much of a printing-press as will illustrate my improved device, the side-register, the stopfinger, the drop-roll, and the feeding rolls together with mechanism to operate same being shown with my improved derice for adjusting the diving sprocket which actuates the cam-shaft operating the above-named mechanism Fig. 2 is an enlarged sectional view taken on the line 22 shown in Fig. 1 illustrating a section taken through the gear carrying; the adjustable sprocket;

lwig'. 8 an enlarged sectional detail view of the gear carrying the adjustable disk on which is also mounted the adjustable sprocket Fig. at is an enlarged fragmentary detail view showing the adjustable means for the shiftable disk anc. sprocket; and

Fig. 5 is a similar view of a portion of the shiftable disk.

Similar numerals refer to similar parts throughout the several figures.

Referring to the. drawings, the frame 6 carries the inclined support '7 for the feedtable (not shown) from which the "successive sheets are fed to the grippers 8 carried by the impression-cylinder 9 mounted on the shaft 10. he shaft 10 has secured thereto the gear 11 which is in mesh with, and drives, the ring gear 12 concentrically arranged about the transverse shaft 13 which is ournalled in the frame 6 by means not shown. Keyed to the shaft 13 is the disk 1% slidably fitted within the ring gear 11,, shown in Fig. 2, and about the outer end of the shaft 13 and secured to the disk 14; by screws 15 is the sprocket 16 around which passes the loop sprocket-chain 17 for actuating the sheet-feeding devices to be hereinafter described. The chain 17 also passes around the sprocket 18 secured to the cam-shaft 19 journalled transversely in the bracket 20 depending from the feed-table support 7 as shown in Fig. 1. The disk 14 is also adjustably secured to the gear 12 by set-screws 21 operating in suitable slots 22 cut in the disk 4 as shown in Fig. 1 to allow for suitable relative movement-s between the gear12 and disk 1%.

Referring more particularly to Figs. 1, 4 and 5, the disk 14 has the outwardly extending rectangular opening 23 formed in its periphery, provided with jaws 24 and 25 formed by the cut-outs 26 and 2'? respectively. The jaw 24 has the right-hand screw-threaded hole 28 cut therein, while the right-hand screw-threaded hole 29 is formed in the jaw 25, the holes 23 and 29 being in alinement. To the outer margin of the gear 12 and fitted within the opening 23 is secured the rectangular block 30 by the set-screw 31, and on opposite ends of the block 30 are arranged screw-bolts 32 and 33 to engage with the holes 28 and 29 respectively, the bolt-heads 34 and 35 respectively bearing on the ends of the block 30'as shown in Fig. 4. Opposite the heads 34 and 35 are slots 36 and 37 respectively to enable the operator to insert a wrench to turn such bolt-heads to make the required adjustments. From the foregoing construction the disk 14 with the shaft 13 and sprocket 16 may be shifted with respect to the gear 12 in either direction as shown by the arrows in Fig. 4, by operating the screwbo-lts 32 and 33 to move the block 30 within the opening 23, the cut-outs 26 and 27 affording sufficient space within which the tips of the bolts may protrude. Such shifting of the disk 14 therefore advances or retards the relative rotations of the cam-shaft 19 with the cylinder 9 through the gears 11 and 12.

The various sheet-feeding and positioning devices, shown in somewhat diagrammatic form in Fig. l,- are driven by the chain 17 rotating the cam-shaft 19 and the connecting mechanisms for operating such devices are also illustrated in Fig. 1, and will be separately described as follows:

The drop-roll 34 carried by the curved arm is pivotally supported at 36 to the frame 6, and is actuated by the arm 37 connected by the rod 38 to the oscillating arm 39 journalled on the shaft 40; the arm 39 carries the cam-roller 41 which rides on the cam 42 secured to the shaft 19 to raise and lower the roll 34.

The stop-finger 43 is mounted on the arm 44 pinned at 45 to the frame 6, and is operated by the arm 46 connected by the rod 47 to the oscillating arm 48 journalled on the shaft 40; the arm 48 carries the camroller 49 which rides on the cam 50 secured to the shaft 19 to raise and lower such stop-V finger 43.

The side-register 51 is mounted on the bracket 52 actuated by the connecting rods 53'and 54, the rod 54 being pivoted to the oscillating arm'56 journalled on the shaft- 40; the arm 56 carries the cam-roller 5'? which rides on the cam 58 secured to the shaft 19 to actuate the side-register in positioning the sheets.

The lower feed-roller 59 rotates on the shaft 60 and the upper feed-roller 61 is mounted on the shaft 62 and is driven by the gear 63 secured to the shaft 62, the gear 63 being actuated by the oscillating segmentalgear 64 carried on the end of the bellcrank lever arm 65, the lever oscillating 0n the stub-shaft 66 secured to the frame 6. The lower arm 67 is slotted at 68 within which slot slides the block 69 secured to the gear 70 by the crank-pin 71 to oscillate such arm 67. The gear 70 is driven by the gear 72 journalled in the frame 6 which gear 7 2 is actuated by the pinion 73 affixed to the shaft 13.

Each of the devices hereinbefore described is therefore indirectly driven by the ringgear 12 which is operated by the gear 11 secured to the press proper. v

The operation of my improved device in making a composite adjustment of the sheet feeding and positioning devices according to requirements is substantially as follows: After the set-screws 21 have been loosened to enable a free adjustment between the disk 14 and ring-gear 12, the operator turns either the bolt-head 34 or 35 to shift the disk 14 slightly within the gear 12 in either direction as will be readily understood by those skilled in this art and as shown by the arrows in Fig. 4. This shifting is acconr plished through the. screw-bolts 32 or 33 bearing on one or the other of the ends of the block 30 so that, for example, when the bolt 32 is advanced to bear on the block 30, the bolt 33 must be correspondingly screwed into hole 29. After the shifting has been made to a predetermined degree and the heads 34 and 35 bear firmly on the block 30, the set-screws 21 are again tightened to maintain the disk 14 and gear 12 in rigid position so that the required adjustment may be collectively transmitted to the sprocket 16, chain 17, sprocket 18 and camshaft 19 which actuates the cams 42, 50 and 58 mounted on said shaft. In like manner the timing of the feed-roll 61 is altered through the disk 14, shaft 13 and pinion 73. Therefore all four sheet-feeding and positioning devices as heretofore shown and described can be collectively altered in their relation to the cylinder-grippers, for eX- ample, without separate adjustments being made for each device and with the advantageous result that the correct relationship of all four mechanisms each with the other is accurately maintained, yet can be readily and simultaneously changed to any predetermined extent.

While the construction herein shown and d scribed embodies my invention in a preferred form, it will be understood that changes and variations may be made in the various parts without departing from the principles and scope of the invention.

I claim as my invention:

1. In a printing-press or like machine,

, means for collectively varying the timing of said devices with relation to said press without shifting any of said actuating means.

3. In a printing-press or like machine, separate sheet-feeding and positioning devices, means tor separately actuating each of said devices from the press, and means for collectively varying the timing of said devices with relation to said press without shifting any of said actuating means.

4. In a printing-press or like machine, separate sheet-feeding and positioning devices, means for separately actuating each of said devices from the press, and a single means for collectively varying the timing of said devices with relation to said press without shifting any of said actuating means.

5. In a printing-press or like machine, separate sheet-feeding and positioning devices, means for separately actuating each oi: said devices from the press, and means for collectively and simultaneously varying the timing of said devices with relation to said press without shifting any of said actuating means.

6. In a printing-press or like machine, separate sheet-feeding and positioning devices, means for separately actuating each of said devices from the press, and a single means for collectively and simultaneously varying the timing of said devices with relation to said press without shitting any of said actuating means.

7. In a printing-press or like machine, separate sheet-feeding and positioning devices, means for separately actuating each of said devices from the press, and means for collectively and simultaneously varying the timing of said devices with relation to said press without shitting any of said actuating means.

8. In a printing-press or like machine, separate sheet-feeding and positioning devices, means tor separately actuating each of said devices from the press, and a single means for collectively and simultaneously varying the timing of said devices with relation to said press without shitting any of said actuating means.

9. In a printing-press or like machine, separate devices for feeding and positioning the sheet, separate means for actuating said devices, a common operable connection hetween said actuating means and the press, and means for shifting said connection in either direction to change the timing of said devices with relation to said press.

, 1O..In a printing-press or like machine, separate devices for feeding and positioning the sheet, separate means for actuating said devices, a common operable connection between said actuating means and the press comprising a disk relatively shittable with a press-gear, and means for moving said disk in either direction to change the timing of said devices with relation to the press.

11. In a printing-press or like machine,

separate devices for feeding and positionin the sheet, separate means for actuating sai devices, a common operable connection be tween said actuating means and the press comprising a disk relatively shiftable within a press-gear, and means for moving said disk on said gear in either direction to change the timing of said devices with relation to the press.

12. In a printing-press or like machine, separate devices for feeding and positioning the sheet, separate means for actuating said devices, a common operable connection between said actuating means and the press comprising a disk relatively shittable within a pressgear, means for moving said disk on said gear in either direction to change the timing of said devices with relation to the press, and means for clamping said disk to said gear in any predetermined position.

18.. In a printing-press or like machine, separate sheet-feeding and positioning de vices, means for actuating each of said de vices from said press, and independent means for collectively varying the timing of said devices with relation to said press.

14. In a printing-press or like machine, separate sheet-feeding and positioning devices, means for actuating each of said devices from said press. and a single independent means for collectively varying the timing of said devices with relation to said press.

15. In a printing-press or like machine, separate sheet-feeding and positioning devices, means for separately actuating each of said devices from said press, and independent means tor collectively varying the timing of said devices with relation to said press.

16. In a printing-press or like machine, separate sheet-feeding and positioning de: vices. means for separately actuating each of said devices from said press, and a single independent means for collectively varying the timing of said devices with relation to said press.

17. In a printing-press or like machine, separate sheet-feeding and positioning devices, means for actuating each of said de vices from said press, and independent means for collectively and simultaneously varying the timing of said devices with relationvto said press.

18. In a. sheet-feeder having separate 5: sheet-feeding and positioning devices, means for separately actuating and timing said devices With relation to each other and a single independent means for collectively advancing or retarding the action of said devices with respect to the cycle of operation 10 of the feeder Without shifting any of said actuating means.

CHARLES W. HARE-OLD.

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