US850313A - Sheet-delivery mechanism of printing-machines. - Google Patents

Description

PATENTED APR. 16, 1907.

T. M. NORTH.

SHEET DELIVERY MEGHANISM 0F PRINTING MACHINES.

APPLIOAT-ION FILED HAB. 20, 1908.

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PATENTED APR. 16, 1907.

wNo. 850,313.

, T. MV. NoETH. SHEET DELIVERY MEGHANISM 0E PRINTING MACHINES.

APPLICATION FILED MAB. 20, 1906.

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No. 850,313. PATENTED APR. 16, 1907.

T. M, NORTH.

SHEET DELIVERY MECHANISM 0F PRINTING MACHINES.

APPLICATION FILED MAB. zo. 1906.

6 SHEETS-SHEET 4.

m 515615K Y [MW fM//ff IMMQ f nl: nonni: Penn: cm wAsmNcfoN n. c x l l PATENTED APR. 16, 1907.

- T. M. NORTH.

SHHH'I DELIVERY MHGHANISNI 0I PRINTING MACHINES.

APPLICATION FILED MAB.. 20. 1906.

6 SHEETS-SHEET 5.

PATENTED APR. 16, 1907.

. T. M. NORTH. SHEET DELIVERY MEGHANISM 0E PRINTING MACHINES.

APPLICATION FILED MIAB.. 20, 1906.

6 SHEETS-SHEBT 6.

"LM fuffa/afar' W wf UNITED sTArns PATENT oFF1oE.

THOMAS' NORTH, OF LONDON, ENGLAND, ASSIGNOR TO LINOTYPE AND MACHINERY LIMITED,v OF' LONDON, ENGLAND. v

'- SHEET-DELIVERY NIECHANISM OF PRINTING-MACHINES.

Specification of Letters Patent.

Patented April 16, 1907.

` Application led March 20, 1.906. Serial No. 307,102.

T0 @ZZ whom it may concern:

Be it known that I, THOMAS MERRIFIELD NORTH, of 188 and 189 Fleet street, in the city of London, England, have invented new and useful Improvements in Sheet-Delivery Mechanism of Printing-Machines; and I dohereby declare the following 'to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to ro which it appertains to make and use the samen mechanism of beingadjusted of 4simpler 3 5 horizontal section,

40- down and up deliveries,

The invention relatesv to sheet-delivery the'class which is capable of to deliver the sheets with the rinted sides either up or down; and it has for its object to provide a mechanism which, as

compared with those hitherto in use, shall be and more economic construction and capable of being more readily adjusted to zoffeffect the above-named changes of delivery.

ff In the accompanying drawm s, which are to be taken as 'art of this specification and read therewith,pFigure 1 is a 'side elevation of sufficientof imprinting-machine, seen from the feeder side thereof, to show the application of the present invention thereto. Fig. 2 is 'a similar side elevation; scale,`of part of the mechanism shown in Fig. 1. Fig. 3 is a transverse section on the line looking toward the left of the last-named igure. Fig. 4 is a vertical section on the line 4 4 of Fig. 2, but drawn to a larger scale than that to which the said Fig. 2 is drawn. Fig. 5 is a plan, partly in of part of the mechanism shown in Fig. 2. Fig. 6 is a sectional elevation of one of the. automatic clutches; and Figs. 7 and S are diagrammatic views illustrating adjustments for the printed side respectively. According to this invention the complete delivery is effected by three sets of endless tapes 1, 2, and 3,' The first set if-tapes 1 receives the sheets from the impression-cylin- 45 der 4, Fig. 1, travels around rollers 5 6, turning about two stationary axes, and delivers the sheets upon the second set 2. The shafts )of the rollers 5 6 are supported in bearings provided on the two side frames 7 of the ri'iaf chine. Onlyone of suchframes is shownin the The tapes 2 of theseoond setrlare drawn to a largery vupper end toothed rack 13 on sheets to the delivery-table 11. The third set of tapes 3 is carried on the delivery end of the carriage 10, there being one such tape for each side mar in of the sheets received on the carriage. `hese margintapes 3 are driven positively or by friction with the carriage-tapes 2 or the sheets on them and are eachl mounted on an arm 12, pivotally connected to the carriage 1() and capable of being adjusted to two (positions, (shown, respec tively, in Figs. 7 an 8,) each characterized by .a dierent type of engagement with .the

sheets on the carriage-tapes, which positions, in conjunction with the direction of the travel of the carriage, decide the kind of delivery-that is to say, whether printed side up or` down. -Li

The rollers 5 6 of the first set oftapes 1 are or may be constantly rotated by any suitable' means, while the rollers 8 9 of thelcarriagetapes 2 are intermittently rotated from a stationar toothed rack 13, relatively to which the said carriage is moved.

The carriage 1() is reciprocated along tzvc horizontal track-bars 14 15, one at each side of the machine and extending over the de livery-table 11, and one of these bars viz. the bar 14at its under side is provided witl the before-mentioned toothed rack 13. Th reciprocating motion of the carriage 10 maj beobtained by any convenient meanssuch for example, as the crank-operated pinio; and rack-gear shown in Figs. 1 and 2. Thi gear comprises the crank-disk 16,. thecranl pin 17 of which is pivotally attached toth lower end of the'inclined rack-bar 18, whos is in gear with aspur-pinion 1 fast to a shaft 20, on which are also rigid] secured two gear-Wheels 21, each engaging toothed rack 22 on the under side of the r1 spective side bar of the carriage 10. lOnl one of these wheels 21 and racks 22 are sho in the drawingsr" The tape-roller- 9 at the delivery end of tl carriage 10 has mounted on one end of i shaft 23 a spur-pinion 24, engaging with tl the under side of the a 'acent track-bar 14, this pinion, vby mea of suitable automatic clutch ori. equivale mechanism, 'such as that next described, r tat-ingas if in one piece withv its shaft 23 di ing the travel of the carriage 10 inon'edire tien and rotating freely upon the said sh: during the travel of the .c

arriage'in the i verse direction. The spur-pinion 24 (see particularly Figs. 4 and 6) is mounted so as to be free to rotate on the boss 25 of a disk or wheel 26, which by the said boss is secured upon the shaft 23. The disk 26 is formed with va series of inclined or tangential camsurfaces 27, loosely surrounded by a cylindrical sleeve or flange 28, integral with the spur-pinion 24 and between which sleeve and the said surfaces 27 are provided a series of rollers 29, one for each of the surfaces 27, the said rollers being retained in this positionby a collar 30, secured on the boss 25. By the last-described mechanism the shaft 23 is caused to rotate during the travel of the carriage only in the direction indicated by the arrows a in Figs. 1 and 8, because at the commencement of such travel the rotation of the spur-pinion 24 in the direction indicated by the arrow b in Figs. 2 and 6 causes the rollers 29 by frictional contact with the surrounding flange 28 to run outward on the inclined surfaces 27 and to be jammed between pendently of them and the said flange, as indicated in Fig.

6. Whenthe carriage travels in -the direction indicated by the arrows cin Figs. 1 and 7 and the spur-pinion 24 consequently rotates in the direction indicated by the arrow d, Fig. '2, the rollers 29`are caused to run inward on the inclined surfaces '27, and thereby operatively release the spur-pinion 24 from the shaft 23, as shown in dotted lines in Fig. 2. YOn the shaft 23 there is also mounted a spur-wheel 31, Figs. 3, 4, and 5 which by a feather'32 is prevented from rotating indesaid shaft, while at the same time it is capable of being shifted longitudinally thereon, so as to place it into and out of gear with a spur-wheel 33, Figs. 2 and 5, in either of which positions it may be secured by means` of a pinching-screw 34 in the boss of the said wheel 31.

The spur-wheel 33, as shown in Fig. 5, is mounted so as to be free t`o rotate on the boss 35 of a disk or wheel 36, which by the said boss is rigidly secured upon a shortv countershaft 37 free to rotate in .a bearing 38, formed in theadjacent side rail of the carriage 10. The disk 36 is formed ywith a series'of inclined or tangential cam-surfaces 39, (shown 'in dotted lines 'in Fig. 2,) loosely surrounded by a cylindrical sleeve or flange 40, (see particularly Fior. 5,) integral with the spur-pinion 33, and between which and the said surfaces 39 are rovided a series of rollers 29, one for each ofp the surfaces 39, the said rollers being retained in thisgposition by a collar 41, fast on the boss 35. On the counter-shaft 37 there is rigidly secured a spur-pinion 42 in constant gear with the before-described rack 13, this pinion being preferably of the same diameter as that of the pinion 24, and the diameter of the pitch-circles of both of these pinions preferably corresponds with theudiameter of the tape-roller 9. Y

The front part of the carriage 1() carrii two shafts or bars 43 44, which extend con pletely across the machine, thebar 43 servir. to support one or more sheet-guides 45 which prevent the front end of the shee from rising up and directing them onwar toward their delivery-point, and the bar 4 serving to carryboth the front track-rollers4 of the carriage 10 and a series of margin-ta; devices, now to be described. These devicc are independently adjustable along the bt 44, and each comprises a bracket 46, suitabl clamped-as, for example, by a pinching screw 47-on the said bar and carrying tw tape-rollers 48 49, the former on its end an the latter, herein termed the Hbight-roller, on an arm 50, projecting therefrom at abou the middle of its length. Each of the beforc mentioned arms 12 is pivoted to one of th brackets 46 concentrically with the roller 4 thereon and carries a further tape-roller 52 which is situated in the same vertical plan as the rollers 48 49, and around this roller 5 and the roller 48 one of the before-mention@ margin-tapes 3 is loosely mounted. The rolle 48 occupies such-a position that it holds th` margin-'tape 3 in frictional driving contac with the adjacent carriage-tape 2 or the shee 53, Figs. 7 and 8, which at the time being is fe( over it. The pivoted arm 12 is capable of being secured-for example, by tightening the nu 54, Fig. 5- in two different positions, in on of which, as shown in Fig. 8, the roller 52 i: above the adjacent carriage-tape 2 and thi sheets are delivered by the tapes 2 and 3 printed side up, the slackness or bight of thi margin-tape 3 being then taken up by th( bight-roller 49, with which it is at that time in contact. In the other of the two positions as shownin Figs. 2 and 7, the roller 52 is below the carriage-tape 2, the bight of the 1n argin-tape 3 then being taken up by the portier of the adjacent carriage-tape 2 which is at the front of the tape-roller 9, the margin-tape 3 being then in operative driving contact with either that part of the said carriage-tape or the sheet 53 passing over it. By this lastdescribed arrangement the sheet is deflected around the front of the roller 9 away from the delivery end of the machine and is deposited on the delivery-board 11 printed side down. As it is necessary for the carriage-t apes 2 to be operated during the forward stroke of the carriage 10, (the direction of which stroke is represented by the arrows c in Figs. 1 and 7,) when the mechanism is arranged to deliver the sheets printed side down, and during the return stroke, (represented by the arrow a., Figs. 1 and 8,) when the mechanism is arranged t-o deliver the sheets printed side up, it becomes necessary to provide for this reversal of action, and it is for this purpose that the. before-described spur-wheel 31 must vbe shifted laterally, .so that e for the printed-side-up delivery it is out of gear with the pinion 33, and thereby inoperative, Aand for the printed-side-down delivery it is in gear with the said pinion 33. When the mechanism is arranged for delivering the sheets printed side down, the carriage-tapes 2 are operated in the same direction during both the forward and backward strokes of the carriage, but as the upper flights of the cylinder-tapes 1 are, as is usual in similar tape arrangements, situated in a higher plane than that containing the upper flights of the carria e-tapes, the said carriage-tape 4o peration uring the return stroke of the carriage has no effect on the sheets.

I claim- 1. In a sheet-delivery mechanism the combination of a firstset of endless tapes adapted to receive the sheetfrom the impression-cylinder, a carriage adapted to travel in a direction parallel with the direction of travel of the first set of tapes, taperollers rotatable in the two ends of the carria e, endless tapes on and rotated by the sai rollers, margin-tapes adapted to make frictional contact with the carriage-tapes or sheets on the said tapes, rollers around which the margin-tapes rotate, one of said rollers rotating about an axis which is fixed relatively to the carriage and the other rotating about an axis adjustable above and below the carriage-tapes.

2. In a sheet-delivery mechanism the combination with the delivery-board, of a carriage adapted to travel backward and forward thereover in the direction of the travel of the sheets, tape-rollers rotatable in the two ends of the carriage, endless carriagetapes on and rotated bythe said rollers, and margin-tapes adapted to make frictional contact with the carriage-tapes or the sheets on the said tapes, rollers around which the margin-tapes rotate, one of said rollers rotating about an axis which is fixed relatively to the carriage and the other rotating about an axis adjustable above and below the carriagetapes.

3. In a sheet-delivery mechanism the combination of a carriage, means for reciprocating the carriage in the direction of the travel of the sheets, tape-rollers rotatable in the two ends of the carriage, endless carriagetapes on and rotated by the said rollers, margin-tapes adapted to make frictional contact with the carriage-tapes or the sheets on such tapes, rollers around which the margin-tapes rotate, one of said rollers rotating about an axis which is fixed relatively to the carriage, an arm anvularly adjustable about the said relatively fixed axis and carrying the second of the margin-tape rollers on its adjustable end so that the said roller may be adjusted above and below the carriage-tapes.

4. In a sheet-delivery mechanism the oombination of a carriage adapted to travel backward and forward in the direction of the v'travel of the sheets, tape-rollers rotatable in the two ends of the carriage, endless carriagetapes on and rotated by the said rollers, mar: gin-tapes adapted to make frictional contact with the carriage-tapes or the sheets on such ltapes, rollers around which the margin-tapes rotate, one of said rollers rotating about an axis which is fixed relatively to the carriage, and the other roller rotatable on an arm pivoted to the carriage coaxially withV the rela'- tively fixed axis, and the said arm, this arm being capable of adjustment so as to bring the last-mentioned roller above or below the adjacent carriage-tape.

5. In a sheet-delivery mechanism the combination of a carriage adapted to travel back-l ward and forward in the direction of the travel of the sheets, tape-rollers rotatable in the two ends of the Carriage, endless carriagetapes on and rotated by the said roller-s, margin-tapes adapted to make frictional contact with the' carriage-tapes or the sheets on suoli tapes, rollers c-.round which the margin-tapes pass, but loosely, so as to form a bight, one of the said rollers rotating about an axis which is fixed relatively to the carriage, and the other roller rotatable on an arm pivotecl to the carriage coaxially with the relatively fixed axis, and the said arm, this arm being capable of adjustment so as to tighten the margin-tape upon its rollers by causing the front ctrriage-roller to occupy the bight in such tape.

6. In a Sheet-delivery mechanism the combination of a carriage adapted to travel backward and forward in the direction of the travel ofthe sheets, a roller rotatable in the front end of the carriage, a margin-tape adapted to make frictional contact with the s eets passed over the carriage-roller, rollers ound which the margin-tape passes, but l osely, so as to form a bight, one of the said rollers rotating about an axis which is fixed relatively to the carriage and the other roller rotatable on an arm pivoted to the carriage coaxially with the relatively fixed axis, and the said arm, this arm being capable of adjustment so as to tighten the margin-tape uponits rollers by causing the bight in such tape to be occupied by the carriage-roller.

7. In a sheet-delivery mechanism the combination of a carriage adapted to travel backward and forward in the direction of travel of the sheets, a tape-roller rotatable in the front end of the carriage, a margin-tape adapted to make frictional' contact with the sheets passed over the carriage-roller, rollers around. which the margin-tape passes, but loosely, so as to form a bight, one of the said rollers rotating about an axis which is fixed relatively to the carriage, and the other roller rotatable on an arm plvoted to the carriage coaxially with the relatively fixed axis, the said arm, and a bight-roller free to rotate about a relatively xed axis and so located that in one IOO position of the pivoted arm the said bightroller occupies the bi ht of the margin-tape, which bight in the Ot er position of thepiv- Oted arm.is occupied by the roller inthe front end of the carriage.

' 8. In a sheet-delivery mechanism the combination of a carriage adapted to travel backward and forward in the direction of travel of the sheets, a roller rotatable in the carria e, a spur-wheel on the shaft of the carriage-ro ler, a counter-shaft rotatable in -the carriage, a spur-wheel on the counter-shaft gearing with the before-mentioned spur-wheel,l a spur-pinion on the counter-shaft, a stationary toothed rack gearing with the sbur-pinion, and means intermediate the spur-pimon and the carriage-roller shaft, adapted to automatically release this shaft from and operatively connect it with the rack during the travel Of the carriage in respectively opposite directions.

9. In a sheet-delivery mechanism the combination of a carriage adapted to travel backward and forward in the direction of travel of the sheets,'a tape-roller rotatable in the carriage, a spur-pinionon the shaft of the carria e-roller, gearing with a .fixed rack, the sai rack, a spur-wheel feathered to the said shaft, a counter-shaft rotatable in the carriage, a spur-wheel On this counter-shaft, adapted to gear with the feathered wheel, a spur-pinion on the counter-shaft gearing with the fixed rack, and means intermediate the rack and the carriage-roller shaft adapted to automatically releasey that shaft from and operatively connect` it with' the rack during the travel of the carriage ineither direction.

1 O. In a sheet-delivery mechanism the combination of a carria e adapted to reciprocate in a direction para lel with the direction of travel of the sheets, a roller rotatable in the carriage, a margin-tape adapted to make frictional contact with the sheets assed over the carriage-roller, rollers aroun which the margin-tape rotates, one of said rollers rotating about an axis which is 4fixed relatively to the carriage, the other rotating about an axis adjustable above and below the carriageroller, and means'adapted to rotate the carriage-roller during either the backward or forward travel of the carriage and always in one and the same direction.

1 1. In a sheet-delivery mechanism the combination of a carria e adapted to reciprocate vin a direction para lel with the direction of travel of the sheets, a tape-roller rotatable in the carriage, a margin-tape adapted to make frictional contact with the sheets passed over the carriage-roller, rollers around which the margin-tape rotates, one of said rollers rotating about an axis which is fixed relatively to the carria e, and the other roller is adjustable above an below the carriage-roller, a spurpinion on the shaft of the carriage-roller, means adapted to automatically clutch this pinion to and release it from its shaft during .the travel of the carriage in respectively Opposite directions, and a stationary toothed rack gearing with the spur-pinion.

12. In a sheet-delivery mechanism the combination of a carria e adapted to reciprocate in a direction para lel with the direction of travel of the sheets, a tape-roller rotatable in the carriage, a margin-tape adapted to make 'frictional contact with the sheets passed over the carriage-roller, rollers around which the margin-tape rotates, one of said rollers rotating about an axis which is fixed relatively to the carriage, and the other adjustable above and below the carriage-roller, a spur-wheel on .the shaft of the carriage-roller, a countershaft rotatable in the carriage, a spur-wheel on the counter-thai gearing with the beforementioned spur-wlLel, a spur-pinion On the counter-shaft, a stationary toothed rack gearin with the spur-pinion, and means interme iate the spur-pinion and the carriage- .roller shaft adapted to automatically release this shaft from and operatively connect it with the rack during the travel Of the carriage in respectively Opposite directions.

13. In a sheet-delivery mechanism the combination of a carria e adapted to reciprocate in a direction para lel with the direction of travel of the sheets, a tape-roller rotatable in the carriage, a margin-tape adapted to make frictional contact with the sheets passed over the carriage-roller, rollers around which the margin-tape rotates, one of said rollers rotating about an axis which is fixed relatively tO the carriage, and the other adjustable above and below the carriage-roller, a spur-pinion on the shaft of the carriage-roller7 gearinGr with a fixed rack, the said rack, a spur-whee feathered to the said shaft, a countershaft rotatable in the carriage, a spur-wheel on this counter-shaft, adapted to gear with the feathered wheel, a spur-pinion on the counter-shaft gearing with the fixed rack, and means intermediate the rack and the carriage-roller shaft adapted to automatically release that shaft from and operatively connect it with the rack during the travel of the carriage in either direction.

In witness whereof I have hereunto set my i hand in the presence of two witnesses.

' THOMAS M. NORTH.

Witnesses:

WM. SUTHERLAND ROBINSON, WARWICK HY VVILLIAMs.

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