US453757A - Island - Google Patents

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US453757A US453757DA US453757A US 453757 A US453757 A US 453757A US 453757D A US453757D A US 453757DA US 453757 A US453757 A US 453757A
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    • B42C3/00Making booklets, pads, or form sets from multiple webs


(No Model.) 4 Sheets-Sheet 1.
No. 453,757. I Patented June 9,1891.
(No Model.) 4 SheetsSheet 2.
C. B. COTTRELL. PRINTING MACHINE. No. 453,757. Patented June 9,1891.
mi RT W WMZM W fiz/KW 5 4 Sheets-Sheet 3.
(No Model.)
No. 453,767. Patented June 9,1891.
.lv l l.iala wrii ii (No Model.) 4 Sheets-Sheet 4.
No. 453,757. Patented June 9,1891.
m'heswes: l'nzfenT W WfiM NlTED STATES PATENT OFFICE.
SPECIFICATION forming part of Letters Patent No. 453,757, dated June 9, 1891. Application filed January 23, 1891. Serial No. 378,786. (No model.)
To all whom it may concern:
Be it known that I, CALVERT B. COTTRELL, of WVesterly, in the county of 'Washington and State of Rhode Island, have invented a new and useful Improvement in Printing- Machines, of which the following is a specification, reference being had to the accompanying drawings.
This invention relates in part to transferring apparatus for transferring sheets from the first impression-cylinder to the second impression-cylinder of a perfecting printingmachine.
The improvement also relates to provisions for feeding sheets either by hand or mcchanically, according as may be desired.
Figure 1 represents a side view of those parts of a flat-bed perfecting-machine which are necessary to illustrate my invention. Fi 2 is a plan of the same. Fig. 3 represents a longitudinal vertical section of the same. Fig. 4 is a diagrammatic view corresponding with Fig. 1 of the principal parts of the machine, but showing the bed at the opposite end of the stroke to that in which itis shown in Fig. 1. Fig. 5 represents a view taken at right angles to Fig. 1 from the feed side of the first impression-cylinder, showing the said cylinder and part of the mechanism for transferring the sheet therefrom to the second impression-cylinder. Fig. (3 representsa transverse sectional view of the feeding apparatus. Figs. 1, 2, 3, and at are on the same scale. Figs. 5 and 6 are on a larger scale.
A designates the framing of the machine.
B is the reciprocating form-bed fitted to run in the usual way on ways provided on the framing and represented as having attached to it for the purpose of driving it a mangle-rack B, gearing with a mangle-wheel B on an oscillating mangle-shaft B which is connected with the main shaft 13 of the machine, as is common. This bed carries the two forms F F, and is furnished at its ends with two ink-distributingbedsDD, one for each form.
C is the first impression-cylinder, and C the second impression-cylinder, the shafts a a of which are fitted to journal-boxes Z; I), capable of a rising and falling motion in housings b provided on the framing A, the said boxes having applied to them a lift mechanism, which may be and is represented as like that commonly applied to the cylinder-boxes of two-revolution presses, consisting of rods 0, springs c,toggle-1evers c ,a rod 0 a cam c, and a shaft 0", which carries the said cam. The said cylinders C C, which rotate in opposite directions, may be and are represented as driven in the usual manner by a spur-gear B on the main shaft B through the intermediation of spur-gears E E, gearing with the said gear B and with gears (3* C'* on the shafts of the cylinders. The housings b are so arranged in or on the framing A that the cylinders are separated at a considerable distance from each other to afford facility for making ready, and for another reason to be hereinafter explained.
At opposite ends of the machine are arranged two ink-fountains I 1, two sets of ink-distributing rollers i 1?, two ductors d (1, one fountain, one set of rollers, and one ductor and one fountain for each. form-bed, and near the cylinders are two sets of inkingrollers G G, the set G being behind the first impression-cylinder C and the set G being in front of the second impression-cylinder C.
At opposite ends of the bed are two ink-distributing tables D D, which receive ink from the ductor and upon which the ink is distributed. These tables give the ink to the inking-rollers G G, from which it is taken by the forms.
All the inking apparatus above described is similar to that in use in other printingmachines. I will here remark that the frames 9 g, which carry the inking-rollers G G, are stationary during the operation of the pressthat is to say, they have no rising and falling motion, such as is common to them in some perfecting-pressesfor the purpose of allowing the passage under them Without inking of the form which is to be inked by the other set, the necessity for this lifting being obviated by the setting of the cylinders G C at a distance apart, as hereinabove mentioned, and properly proportioning the length of stroke of the bed, which must be such that when the bed runs in one direction the first form F may run under the second impression-cylinder C, but not under the inking-rollers G of the second form, and that when the bed runs in ICC the other direction the second form F may run under the firstimpression-cylinder C, but not under the inkingrollers G of the first form. This is illustrated by Figs. 3 and 4:, which represent the bed at opposite ends of its stroke. It may be observed that each form runs under the impression cylinder of the other form at the time when that cylinder is lifted. The cylinders C O are furnished, respectively, with gripper-shafts and grippers e (2, like those of the cylinders of ordinary two-revolution printing-presses, the said grippers being operated by any suitable mechanism-such, for' in's tance, as that commonly employed in those presses.
I will now describe the mechanism for transferring the sheet from the first impression-cylinder O to the second impressioncylinder 0.
J is a rotary gripper-shaft working in fixed bearings on the framing of the machine, and furnished with arms j, carrying a set of grippers j 3' which may be and are represented as like those commonly employed in the rotary feeding and delivery apparatus of printing-presses, the jaws j being fast to a rod 70', which is fixed in the arms j, and the jaws 7' being carried by a rod k ,which turns in bearings in the arms j. The purpose of these grippers is to take from the first impressioncylinder the sheets which have been printed thereon from the first form F on one side and give them to a substantially similar set of rotary grippers 'm m, carried by a reel or series of disks M on a rotary shaft M, for the purpose of'turning ever the said sheets and so presenting them to the grippers of the second impression-cylinder that they are taken on the said cylinder with the unprinted side outward, to be printed thereon from the second form F. The rotary shaft M is fitted to work in bearings 42 (see Figs. 1 and 2) in the framing A; but it is connected with the shaft J, carrying the grippers j j by means of arms L, which are fitted to swing on the said shaftJ for the purpose of lifting the said shaft M out of the said bearings n,which are open at the top for the purpose, and throwing back the said shaft M and its reel and grippers, as shown in dotted outline in Fig. 1, over the cylinder 0 to afford convenience for getting at the cylinder C. It is in order to permit this swinging back of the gripper-sh aft M and its reel and grippers that the grippers j j are carried by arms j instead of by a reel or disks. The grippers j j and m m are to be opened at the proper time to take and release the sheets by properly -timed mechanism which I have not thought it necessary to show, but which will be substantially like what is employed in two-revolution printing-machines for opening and closing the rotary grippers which feed and deliver the sheets in such machines.
The gripper-shaftsJ and M are represented as driven in the proper directions (indicated by the arrows in Figs. 3 and 4) from the gear 0* on the first impressioncylinder, which gears with and drives a spur-gear .1 on the shaft J, the latter shaft in turn transmitting motion to the shaft M through a gear J on shaft J and a gear M on shaft'M, the proportion of said gears to each otherbeing of course such that the points of the grippers j 7' and m on will move at the same velocity as the surfaces of the cylinders. In the example represented the grippers j j and m m make two revolutions for every revolution of the cylinders, and the time intervening between the beginning of the printing of the first side of the sheet and the beginning of the printing of the second side of the sheet is equal to the time occupied for three revolutions of either of the cylinders, and hence the ink on the first printed side of the sheet has three times as long to set before the second side is printed as it has in the ordinary flat-bed perfecting-press, inwhich the time for setting is only equal to that occupied in one revolution of the cylinders.
I have shown in the drawings a feed-board, from which sheets may be fed to the cylinder 0 by hand, and have also shown means of supplying paper from a roll, cutting it into sheets, and feeding the out sheetsto the cylinder automatically or mechanically. The feed-board N N, which is supported upon standards N is like the feed-board commonly employed in printing-presses which are fed by hand, except that it is made of two parts hinged together at about the middle of its length, as shown at Z in Figs. 1 and 3, so that the portion N of it may be brought down on brackets N secured to the framing A, as shown in dotted outline in Fig. 1, when it is desired to feed by hand, or may be thrown back, as shown in bold outline in Figs. 1 and 3, when it is desired to feed mechanically or automatically.
The mechanical feeding apparatus, consisting of endless toothed chains or racksP with attached grippers p, is carried by a frame P, which is supported in part on the standards N and in part by the brackets N The endless toothed chains or racks P and their grippers 19 are substantially like what are commonly used in both feeding and delivery apparatus, and therefore need no particular description.
The frame P, which carries the feeding apparatus, is not supported fixedly upon the standards N N but is supported at a point in rear of the center of its length upon a pivot g, which is supported in bearings in the standards N and which in the example represented is also a rotary cutter-shaft. The said frame is capable of a longitudinal movement as well as an upward and downward swinging movement on the said pivot or shaft q, so that it may be brought to the horizontal position shown in Fig. 3 and in bold outline in Fig. 1 in a position for feeding the sheets to the cylinder O, and in the inclined position shown in dotted outline in Fig. 1, in which latter-position it permits the hinged portion N of the feed-board to be brought down to the top of the brackets in proper position for feeding sheets by hand.
In order to give stability to the pivotal support of the frame P and to permit of its longitudinal movement, the said frame is fitted to slide on blocks q,whieh are fitted to turn upon the pivot or shaft q. By sliding the frame ion-- gitudinally on its blocks it may be brought far enough forward to rest on the tops of the brackets N in the position for the operation of the feeding apparatus P p, or may be slid back far enough to clear the tops of the said brackets to permit its lugs to drop down to shoulders 19 011 the lower parts of these brackets, in which position it permits the hinged portion N of the feed-board to be brought down upon the tops of the said brackets.
Q is a roller, from which a web of paper Q is supplied to the feeding apparatus P p to be cut into sheets, while carried by said feeding apparatus, by means of two co-operating rotary cutters T1", of which one 4' is carried by the shaft q and the other '2" by the shaft 1), supported in hearings in the standards N below the feeding apparatus. These rotary cutters are alike and operate in the same way as other rotary cutters employed with endlesschain feeding apparatus, as is well understood. The paper of the roll Q, on its way from the roll to the feeding apparatus and cutters passes over a series of feed-rolls s s 3 The endless toothed chains or racks are here represented as driven by a spur-gear 19 Fig. 6, on the lower cutter-shaft 1'), the said shaft 1) being also furnished with a bevel-gear p, which derives motion from a bevel-gear 19 on an upright shaft 29, which may derive motion from the main shaft of the machine through any suitable train of gearing. The lower cutter-shaft p is geared with the upper cutter-shaft g by means of spur-gears p (1 The spurgear 19 also serves to drive the feedrolls 3 s s' by means of a train of gearing it t if i 25 as shown in Fig. 1.
The delivery apparatusherein represented consists of a rotary gripper-carrier R and attached grippers u for taking the printed sheets from the cylinder 0 and fly S, which receives the sheets from the grippers u and throws them over onto a receiving-table T. This delivery apparatus is such as is well known and needs no further description.
Ilavin g described the construction and operation of the several parts of the machine, I will describe the operation of printing with reference to Figs. 3 and l, in which 1: v designate the sheets. A sheet 1 fed to the firstimpression-cylinder 0, passes down in the direction of the arrow represented on said cylinder in Fig. 3 and receives an impression from the form F, which is moving to the left, after which the said cylinder rises to be out of the way of the form F. When the head of the advancing sheet 1* comes opposite the grippershaft J, it is taken by the grippers j 7 and carried to the grippers m on on the reel M, as shown in Fig. at. The sheet is wound around the reel M on the first revolution of the latter after taking the sheet, and the said reel makes about two and two-thirds further revolution before the sheet is taken by' the grippers of the cylinder 0 with the unprinted side outward. The sheet so taken by the grippers of the cylinder C is designated by v in Fig. 4:. It is carried by the said cylinder in the direction of the arrow shown upon it and receives the second impression from the form I while the latter is moving to the right, after which the said cylinder 0 rises and the form F passes under it and clear of it. The said cylinder 0 then carries the sheet to the grippers a of the grippercarrier R, which takes it to the fly S, by which it is deposited on the receiving-table T with the last printed side upward. The cylinder 0 then makes a second revolution and takes another sheet from the reel M. I will here state that the cylinder 0 is intended to be provided with an automatic shifting tympan, as indicated at w w in Fig. 3, and that this tympan is to be shifted during the aforesaid second revolution of the said cylinder G.
\Vhat I claim as my invention, and desire to secure by Letters Patent, is-
1. The combination, in a perfecting printing-machine, of two impression-cylinders arranged at a distance apart and two rotarysets of grippers arranged to operate over the space between saidcylinders for transferring a sheet from one cylinder to the other, and a swinging support for one of said rotary sets of grippers, substantially as herein set forth.
2. The combination, with the impressioncylinder of a printing-machine, of a feeding apparatus consisting of an endless chain or rack and attached grippers and a frame for carrying the. same, a pivot upon which the said frame is'capable of both moving lengthwise and swinging, a rest orsupport for supporting the front end of said frame in a position for feeding the cylinder, and a rest or support for supporting the said end of the frame in a lower position, substantially as and for the purpose herein set forth.
3. The combination, with the impressioncylinder of a printing-machine, of a feeding apparatus consisting of an endless chain or rack and attached grippers and a frame for carryingt-he same, and two rotary cutter-shafts and cutters for cutting a roll of paper into sheets in said feeding apparatus, one of said cutter-shafts constituting a pivot upon which the said feeding apparatus is capable of both a longitudinal movement and a swinging movement, substantially as and for the purpose herein set forth.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003078256A1 (en) 2002-03-15 2003-09-25 Fmc Technologies, Inc A label application device including a pressurized air flow control element

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003078256A1 (en) 2002-03-15 2003-09-25 Fmc Technologies, Inc A label application device including a pressurized air flow control element

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