US895659A - Printing-press. - Google Patents

Description

No. 895,659. PATENTED AUG. 11, 1908.- L. B. MORRISON.

PRINTING PRESS. -1 L '1' 0 r 1. 1) E .-2 0 A P 10A I N I E 8 PT 3,1 9 6 HHEBTS SHEET L Hy Z 5y MM No. 895,659. PATENTED AUG. 11, 1908.

L. E. MORRISON. PRINTING PRESS. APPLICATION FILED SEPT. 23, 1905.

3 SHEETS-SHBET 2.

N0. 895,659. PATENTED AUG. 11, 1908. L. E. MORRISON. PRINTING PRESS.

APPLICATION FILED SEPT 23, 1905 ESHEETEFSHEET 3.

Winess s:

UNITED STATES PATENT OFFICE.

LEWIS l5. MORRISON, OI NEWARK, NEW JERSEY, ASSIGNOR TO AUTOMATIC PLATEN PRESS COMIAN Y, OI" NEW YORK, .N. Y., A CORPORATION OF ARIZONA TERRITORY.

PRINTING-PR1] SS.

No 895,659. Specification of Letters Patent. Patented Aug. 11, 1908.

' Application filed September 23, 1905. Serial No. 279,766.

To all urhom it may concern: are as follows: The shaft f, of sprocket Be it known that I, LEWIS E. MORRISON, wheels f, carries a pair of fast gear wheels j, a citizen of the United States, residing at meshing into gear wheels 9, fast on counter- Newark, Essex county, State of New Jersey, shaft This counter-shaft also carries a .7. have invented new and useful Improvements pair of loose pinions 9 One of the pinions in Printing-Presses, of which the following is g is engaged at its bottom by a rack h, a s cification. while the other pinion is enga ed at its to his invention relates to an improved by a rack i. Rack h, is held in mesh wit platen printing press and more particularly its pinion g by means of a pair of transverse to improved means for automatically consupporting pins h The racks h, i, are 10- 5 veying the sheet of paper to the platen, holdcated at opposite sides of the press and tering it there during t e printing operation and minate in e es h, i, respectively, that em- ,shortly'before and afterthe same, and for brace a sha t 7'. This shaft is received by iinally conveying the printed sheet to a reelongated slots 0 of form-rocker c.

ceiving box or table. i It will be seen that by the oscillation of 70 In the accompanying drawings: Figure 1 form-rocker c, and. the consequent reciprois a front elevation of a printing press emeating movement of racks h, i, the pinions g bodying my invention, with some of the will 'be simultaneously rotated in opposite parts omitted; Fig. 2 a side elevation, with directions. To convert this rotatory movesome of the parts broken away; Fig. 3 a dement into the desired intermittent move- 75 tail side view, partly in section of the conment of shaft f, means are provided for alveyer and cooperating part-s; Fig. 4 a plan, ternately coupling pinions y to their respecpartly broken away, of the gripper; Fig. 5 a tive gear wheels g. These means are shown cross section on line 55, Fig. 4; Fig. 6 a to consist of a'spring-influenced pawl 51, pivcrosssectiononline 6 -6,Fig.4; Fig. 7a rear oted to wheel 9, and on aging a tooth or so view of part of the gripper; Figs. 8 and 9 are ratchet g, of pinion g.- hus, when form- .details of the transmission wheels, and Fig. rocker c, advances i. e., moves towards the 10 a cross section on line 1010, Fig.9 lookplaten a, the pinion g engaged by rack h, is

- in to the left. coupled to its gear wheel g, while pinion g 0 letter A, indicates the frame of a engaged by rack 11, is loose. The reverse is rinting press, of which a, is the platen; b, the case, when the form-rocker is retracted. the form-holder, and c, the form-rocker, the It is therefore obvious that the conveyer f, latter turning on fulcrum c. Oscillating will be advanced when the form-rocker admovement is imparted to form-rocker c, vanees, as well as when it recedes.

35 from shaft d, by pinions (1, gear wheels e, To arrest the conveyer a short time before wristpins e, and draw-bars c, all as usual. the rinting operation, and to re-start it a In order to feed the sheets B, to be printed simi ar eriod after said operation, so as to upon, between platen and form-holder, I proavoid b urring, I provide a pair of stops A,

- vide a pair of parallel endless chain convey- A, adapted to be encountered b racks h,

40 em f, running over sprocket wheels f, f f and i, res ectively shortly before orm-rock- These. wheels are so placed, that each chain ers c, reac their foremost position. Against has a lower run towards the laten, an upthe eyes it, i, bear elbow-levers k, fulcrumed ward run in parallelism with t e platen, and at Is, to form-rockers c, and influenced by a top run away from the platen. The spacs )rings In, which tend to seat shaft 9', within ing of the chains is such, that they flank the the forward ends of elongated slots 0 When platen by their upward runs, (Fig. 1). the form-rocker advances it will by shaft 1,

' Intermittent feed is imparted to the conrack h, and inion 9, advance conveyer f. veyer for the purpose of first carrying the until the rec s h, t, encounter stops A, A sheet B, to the platen, then holding it in by which engagement the racks and conseposition shortly before, during, and after the quently the conveyer f, are arrested.

printing operation, and finally carrying the During the forward movement of the rinted sheet to the receiving box or table. rocker, the shaft 9', is held within the forward ihe tmeans illustrated for obtaining this inends of slots 0, by the springs k which are of termittent movement of the conveyer from a strength sufficient to overcome the power 55 the oscillating movement of form-rocker 0, require -.for'advancmg the conveyer. After k until the elongated slots again engage shaft j, with their forward ends. After this engagement has taken lace, the shaft 3', as

well as the racks h, i, Wlll be taken along by the rockers 0, so that the conveyer is re-started by rack i, and its pinion g To the conveyer f, are secured a suitable number ofgrippers that receive the sheet B, and carryit to the platen, a conveyer with two grippers being shown in the drawing. Each gripper consists of a transverse plate Z, connecting the chains f, and of a series of pivoted fingers Z. Of these, the plate Z, constitutes the fixed jaw, while the fin ers Z, constitute the movable jaws of t e gripper. The jaws Z, have eyes Z that surround a s indleZ turning in bearings 1*, of plate Z.

pin Z", of spindle Z passing through an enlarged opening Z", of eye Z transmits movement from the spindle to jaw Z. A spring Z is interposed between plate Z, and a tail-piece Z, of jaw Z, and tends to normally close the gripper.

From the spindle Z ,;project through a slot Z", of plate Z, a pair of plns Z These pins are adapted to strike a tripping-bar m, supported by a pair of links m, pivoted to frame A, at m When the pins Z strike bar m, the jaws Z, are opened against the action of springs Z to permit the introduction of the sheet B, to be printed. Thissheet may be fed tothe gripper either by hand or by mechanical means. The machine is so timed veyer is at rest, (Fig. 3), to permit the ready :introduction of the sheet, and are closed before the conveyer is re-started. For closing the grippers each Wheel 6, is provided with an abutment e in the path of rod m, which strikes said rod shortly after the introduction of thesheet between the-gripper-jaws. In this way the rod m, is raised to liberate pins Z, and permit springs Z to close jaws Z. After the sheets have beenv printed, they are carried by the gri pers. over a receiving boX or table n, when 513 grippers are opened by the engagement of their pins Z with a suitable fixed stop 0. In this way the printed sheets are released and drop with their printed side upwards into the box n.

It is desirable that all the sheets B, are uniformly carried by the conveyer to the same position upon'the platen a, irrespective of any wear or slack of'the conveyer chains. a

' tion on platen a.

For this purpose a restricted positive -move ment is imparted to the chains additional to the movement imparted to them by the racks. This additional movement will thus set the chains and is obtained from a air of cams p, fast on shaft e, of wheels e.- ach cam p, is engaged by one end of a cam lever g, to the other end of which is pivoted at g, a finger r. The lower end of this finger has a stop 1", which, by enga ement with leverq, limits the outward osci lation of the finger. At its upper end, the finger has a seat r and a tapering projection r back of said seat. When the plate Z, strikes the rear edges of the fingers r, it will swing said fingers slightly inwards, so that the plate Z, may pass the same. As soon as the gripper has cleared the fingers, the latter will swing outward by gravity, such outward movement being limited" by sto s r. The cam p, will now raise finger 7,

by ever q, to first carry seat r against plate Z, and to then raise the plate for a short distance. This movement is imparted to the plate Z, after the transmission of movement to the conveyer by rack it, has ceased, and as this additional movement is dependent upon the shape of cam p, it will be positive and will carry the sheets p, always to the same posi- I The beveled form of proje'ctions r causes the conveyer tobe drawn towards the platen, so as to exclude air between platen and paper and produce a supe- 1101 1m ression. I

It Wll be seen thatby my invention the sheets are conveyed in a positive'manner to the platen, where they are held for a p'redetermined time,necessary for the printing operation, and that'they are then delivered to the receiving. box with their printed side upwards, whereby blurring is prevented. What I claim is:

, 1. A printing press provided lating form-rocker, a shaft carried thereby with an osoiland slidable therein, an endless sheet con veyer, and means connected to the shaft for imparting an intermitte'ntmovement to said conveyer, substantially as specified.

2. A printing press provided with .a form-- rocker having an elongated slot, a shaft seated therein, a pair of racks engaging the shaft, a pair of stops adapted to be engaged by the racks, an endless sheet conveyer, and means for ope'ratively connecting the racks to said conveyer, substantially as specified.

Signed by me at NeWYork city, (Manhattan), N. Y., this 22nd day of August,;1, 905.

. LEWVIS E. MORRISON. l/Vitnessesi v JOSEPH T. KAVENAUL j FRANK v. BRIEsE'N.

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