US1089146A - Duplicating-machine. - Google Patents

Duplicating-machine. Download PDF

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Publication number
US1089146A
US1089146A US58420110A US1910584201A US1089146A US 1089146 A US1089146 A US 1089146A US 58420110 A US58420110 A US 58420110A US 1910584201 A US1910584201 A US 1910584201A US 1089146 A US1089146 A US 1089146A
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couple
drum
roller
paper
latch
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US58420110A
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Samuel A Neidich
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American Multigraph Co
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American Multigraph Co
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H7/00Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
    • B65H7/02Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors

Definitions

  • LGSQ 146.
  • My invention relates to machines adapted for printing and is particularly applicable to a machine constructed in accordance with my invention described in application Serial tiled September 28, 1910, for Let the Patent ot' the United States.
  • Such a machine in its preferred form includes a rotary printing couple comprising a type carrying drum and a platen, the latter being movable away from said drum to render the couple inoperative; paper feeding mechanisn i comprising two rollers one of which is movable away from the other to render them inoperative, and a cam which is rotatably adjustable with respect to the drum to render said feeding mechanism operative and inoperative in definite relation to the location of the printing form on the drum.
  • Said platen is provided with.
  • a detent which normally detains it in operative relation with the drum, and a spring which tends to shift the platen into inoperative position when said detent is released.
  • the term of my invention herein shown as ap plied to such a machine as above mentioned includes an.
  • My invention includes the various novel features of construction and arrangement hereinafter more definitely specified.
  • Figure I an elevation of the left hand side of a. duplicating ma.- chine mounted upon a suitable supporting Specification of Letters Faten'c.
  • Fig. H is a fragmentary elevation of the right hand side of the duplicating machine shown in Fig. I.
  • Fig. Ill is an outside elevation of the electric controlling mechanism shown at the right hand side of said stand in Fig. i.
  • Fig. IV is an inside elevation of said controlling mechanism shown in Ill.
  • Fig. V is afragmentary vertical sectional view of said duplicating a'fachinc, taken on the line V, V in Figs. ll and IV.
  • Fig. VI is a vertical longitudinal sectional view of said machine, taken on the line VI-VI in Fig. VII.
  • Fig. VII is a transverse sectional View of said machine,
  • Fig. IX is a diagram of the electrical connections indicated in the 7.3 other figures.
  • Said 'wleu ⁇ has means to shift its axis toward and away from said drum 2 includingthe eccentrics 11 and 12 on its shaft 5 and the npression lever Ll to turn said shalt.
  • this tripping lever 35 is a bell-crank having a substantially horizonthe feed roller 38 journaled in said frame 14.
  • said automatic releasing mechanism is arranged to be electrically operatedY-in accordance with the position of the paper'feeding mechanism, which as shownin Fig.
  • VI includes above the table 89 but'idly rotary with its axis stationary.
  • Said feedroller 38 isopposed by and driven by the pressure-of the feed roller 40 below said table 89 having rubber faces to engage the cut sheets of 3 paper 42.
  • Said roller 40' is raised to oooperative relation with said roller 38 by the rock shaft-'43 having-the lever arms 45, in
  • Said arms 45 also carry the cross bar 47 having the paper stop fingers 48in registr-y openings in the, guide plate '49 andftable so that when said arms do are oss-nee lowered each paper sheet 2 may be thrust against said fingers to insure its proper angular relation with the machine before being gripped by the upward movement of said roller 40 against the roller 38.
  • Said stop fingers 48 being raised when the paper sheets 42 are thus gripped, they are fed into the machine by said rollers; said roller 40 being positively rotated by its gear 52 which is engaged by the gear 54 which turns loosely on said shaft 43 and is driven by the platen gear 55, which engages the gear 56 on'the drum 2.
  • Said shaft43 is turned against the pressure of said spring 46 to I lower said roller 40 and stop f ngers 48 by the lever arm 58 on said shaft 43 having the in the framel and carrying exterior thereto the friction roller (33 in position to be enof the drum shaft handle 67 shown in Fig.
  • said motor 7 5 has the conductors 76 leading to the plu'g'77 in the socket 7 8 on thepanel 79 supported by the. stand 80 and having the conductors 81 lead.
  • said motor may be included. in circuit with the rhe'ostat 83 and. the sw'itch 84, and when the latter isclosed. as indicated in Eig. IX the speed of the motor and consequent speed of the machine may be adjustably determined by manipulation of the handle 85 on said rheostat 83.
  • said switch 84 has the push buttonsfi-Y and 88 t0. respec-1 tively-close and open it a'nd as indicated in' v FigrlX it not only controls the circuit to said motor" 75 but contemporaneo uslv' controls the stop mechanism circuit 89 including the battery 90 connected by the conductor 91- with thereleasingmagnet coils 24.
  • conductor 93 connects said coils 24 with the switch terminal 94 which. as indicated in Figs. II and V is a flat spring mounted on the insulating block 95 in the frame 1 andhaving the screw 96 by which it may be adjustably set' away from said block; said screw 96 having the jam nut 97 to secure it in adjusted position as shown in Fig. II.
  • switch member '94 is opposed by the resnitch member 98 which is secured i relation with the shaftby the .”n, screw 99 shown in. Fig. V, so that said 5 switch member 98 oscillated with the paper feeding illQCllll ism, above cescrioed; the arrangement being such that when the cam 65, turns the arm 58 into inoperative position, said sr-xitch is opened, and when said cam permits said arm to return to the ppw'ition. oi the feed roller l0 said. switch is c wed, unless a sheet of paper 42 is n nucd between said rollers 38 and 40, llltilCklllCCl in Fig. IX.
  • Ti lie arm 98 is made comparatively hing as shown, so as to multiply the of movement adjacent to the switch point ill compared with the move- .n of roller ll-t).
  • the presence or even a very thin sheet-of paper 3 rolhrs 3S and 20 may determine 9st will be open or icing the purpose of the stop mechanism to operate said platen releasing mechanisu. and render the printing couple inopnative nly when a sheet L2 emitted at l uhen it snould be present herollcrs 40 and 38; it may be ohif the stop mechanism circuit g lat only by said switch on the gh the machine would he said 1'. llers 40 and en successive sheets 42 to to the machine. 'lhereanother switch in said cirprunel. incl:
  • the mechanism above described may be used as follows: The type 1.0 being set in the desired form in the flexible chase 9, said chase is attached to the drum 2 and covered with the ink transfer sheet 104: as shown in Fig. VI.
  • the guides 127 oil-the paper chute 128 shown in Fig. I being set to direct cut sheets of paper 422 of the desired size in the desired relation to the width oil type form; the cam is rotatably adjusted on said drum so that when each sheet 42 is presented against the stop 'lii-igers l8 itwill be gripped. at the proper instant to be drawn between said drum and the platen in such relation as to locate-the printed impression thereon in the desired position with respect to the length oi said sheet.
  • the inking system described acts to coat the transferrollcr with a film of ink suliicient to replace upon the transfer sheet 10%. or type id at each impression the amount of ink which is removed thcretrom'by each impression of the type form.
  • a sheet of paper being then inserted over the table 39 beneath the guide plate 49 against the stop fingers 48, and, said drum 2 being turned in the direction of the arrowmarked thereon in Fig. VI, said feed roller grips said 'shcct against the feed roller 38 to draw it between said drum 2 and platen 4, print it, and discharge it over the rollers 130, on the shaft 151 which is rotated by its gear 13-32 engaging the gear 68 on the shaft (3.).
  • Said rollers have corrugated soft rubber faces which en 'age said sheets and direct thcnr against the inclined guide strips shown in Fig. Vi, so that said sheets fall into the rack 135 as shown in Fig. I,
  • an electrically operative releasing mechanism comprising a normally stationary member and a member carricdby and arranged to osoil late with said movable feed roller; a spring tending to shift said movable roller into contact with said-other roller; and an electric circuit includingsaid switch, said releasing mechanism and a source of current;
  • a printing coupie including a rotary drum; of a cam carried by said drum; means whereby said cam may be rotatably adjusted in definite relation to the printing form on solid drum and secured in rigid relation with said shalt; means arranged to render said couple operative when released; an electrically operative releasing mechanism; paper feed mechanism controlled by said cam; an electric switch in operative relation with said paper, feed mechanism; and, an electric circuit including said. switch, said releasing mechanism and a source of current; whereby, said releasing niechanism is operated and the printing couple rendered inoperative when said switch is cldsed, such closure beingconsequent upon the omission m? a sheet of paper when it should be presc v 5.
  • feed rollers are rendered alternately operafive and inoperative in accordance with the rotary position of said cam; an electric switch arranged to be operated by said cam;
  • a'rotary printin couple including a drum; of a cam caried by-said drum; an electric switch arranged to be operated by said cam; means arranged to render said couple inoperative when released; an electrically operative, releasing mechanism; mechanism arranged to teed sheets of paper between said couple, including a pair of feed rollers, one of which is movcd with reference to the other by said cam; second electric switch controlled by such movement of a feed roller; 2&1: electric circuit including said second switch, said rcleasing mechanism and a are ol current: an electric motor; a rheoan electric circuit imgliulinp said motor, ource of current; and, a
  • vQIZlhe combination with a frame; or a rotary printing couple includ ng a drum; means r ranged to render said couplcinopleased; an electrically .opersaid l ative releasing mechanism; a cam carried by said drum; paper feeding mechanism including a supporting table,'a feed roller 5 above said table, a feed roller below said 1 table, and means arranged to engage said cam; whereby said feed rollers are rendered l i cordance with the rotary position of said cam; an electric switch arranged to be operated by said cam; another electric switch arranged to be closed when said feed rollers are in contact; and an electric circuit including said switches, said releas ing mechanism and a source of current;
  • an electromagnetic latch electrically connected with said contacts, and means whereby said latch may throw the couple to idle position.
  • a rotary printing couple comprising- I log a feed roller, a roller adapted to cooperl l l l l l atcthcrcwith, a rock shaft having rigid. arms carrying said. last mentioned roller, a cam on one member of the couple adapted to rock said shaft, an arm secured. to said rock shaft and projecting a considerable distance therefrom, an adjustable contact point adapted to 006pcrate with said arm near its free end, Wherei by the contact opened or closed according alternately operative and inoperative in acwhereby said releasing mechanism is opcr-' ated and the. print ng couple rendered 111- tacts controlled as to their relation by such to the position of the movable feed roller, an electromagnetic controlling mechanism. connected with such contact, 4
  • said latch comprising a hinged member, a spring tending to move it into active position, a latch member for holding it in idle position, an armature for holding the latch member, and a magnet for operating the armature, said hinged member having a projecting finger piece adapted to return it to normal position, and ineans whereby such movement returns the latch member.
  • an electro-magnetic latch for controlling the same, said latch comprising a magnet, an armature therefor, a latch-lever adapted to engage the armature and be held thereby, a hinged operatingelever adapted to be held idly by the latch lever, a spring tending to move said operating lever into active position, means returning the operating lever, and means whereby such return returns the latch lever,
  • a. rotaryuprinting couple comprising a printing drum,- a platen andupright frame members between which the two are mounted, anf'eccentric shaft supporting the platen, mesi ns tending to Zturn said shaft to bring the platen to idle position, a detent restraining such movement, a
  • an electro-magnetic latch mounted on the inner side of the frame and having an operating member adapted to en-- gage said her, and a finger piece for return- .l rg said latch to normal posit-ion, said finger piece projecting outwardly through an open- I ing in the frame, whereby it maybe operated from the outside.

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  • Handling Of Sheets (AREA)

Description

s. A. NBIDIGH.
DUPLIGATING MACHINE.
APPLICATION FILED SEPT128, 1910.
1,089,146, I Patented Mar.3,1914.
a sums-411mm '1.
WITNESSES: INVENTOR:
ZZamy, Sewn/EL H. NEIDICH 1 27/ gMwQ wwg IVA-.5" 7
S. A. NEIDIOH.
DUPLIGATING MACHINE.
APPLIGATION rum SEPT. 28, 1910.
LGSQ, 146.
Patented Mar. 3, 1914.
6 SHEETS-SHEET 2 INVENTOR:
Sam/a A New/c WITNESSES: flaw/.17 .f M/rw Q S. A. NEIDIGH.- DUPLIGATING MACHINE.
APPLICATION FILED SEPT. 28, 1910.
Patented Mar. 1914.
5 SHEETS-SHEET m km IN'VENTQR: Jfi/PMUEL f5. Ivy/c;
- i J fin XQMN QNINNN v Q 1 w 1%. mp WW Q 9 ,4
S. A. NBIDIGH,
DUPLIUATING MACHINE.
APPLICATION FILED SEPT. 28, 1910.
6 SHEETPFSHEET 6.
SQML/EL, f? NEfD/CH',
Patented Mar. 3, i914.
SAMUEL A.
1 AZWLERICAA BZULTIGRAPH CCIVZPANY,
\lEIDZCi-I, 03? EEGE'WATEE PARK, NEW JERSEY, ASSIGNOE TO THE 033 CLEVELAND, OHIO, A CORPORATION DUPLICATING-IKACHINE.
inset-ac.
Application filed September 23, 1910.
T0 (/ZZ 107mm it may concern .ie it known that l, SATiICEL A. ITnmron, of Edgewater Park, in the State of New Jet have invented a certain new and us ful lii'ipi'ovenieiit in Duplicating-daclnncs, whereof the following is a specification, reference beinghadv to the accompanying drawings.
My invention relates to machines adapted for printing and is particularly applicable to a machine constructed in accordance with my invention described in application Serial tiled September 28, 1910, for Let the Patent ot' the United States.
Such a machine in its preferred form includes a rotary printing couple comprising a type carrying drum and a platen, the latter being movable away from said drum to render the couple inoperative; paper feeding mechanisn i comprising two rollers one of which is movable away from the other to render them inoperative, and a cam which is rotatably adjustable with respect to the drum to render said feeding mechanism operative and inoperative in definite relation to the location of the printing form on the drum. Said platen is provided with. a detent which normally detains it in operative relation with the drum, and a spring which tends to shift the platen into inoperative position when said detent is released. The term of my invention herein shown as ap plied to such a machine as above mentioned includes an. electrically operative releasing mechanism for said detcnt, controlled by two electric switches, one carried by the feeding mechanism and both operated by said cam, so that, said releasing mechanism and switches being included in an electric circuit with a source of current, said relcasing mechanism is operated and the printing couple rendered inoperative when both of said switches closed, such ciosurc'being consequent upon the omission of a sheet of paper when it should be between said feed rollers.
My invention includes the various novel features of construction and arrangement hereinafter more definitely specified.
In the drawings: Figure I an elevation of the left hand side of a. duplicating ma.- chine mounted upon a suitable supporting Specification of Letters Faten'c.
stand in connection with a. paper sheet feed chute and provided with an electric motor I and stop mechanism embodying my inveni said releasing lever'18,.- anl piatrn is turned til} Patented 3, 153.1. Serial no. 584,201.
tion. Fig. H is a fragmentary elevation of the right hand side of the duplicating machine shown in Fig. I. Fig. Ill is an outside elevation of the electric controlling mechanism shown at the right hand side of said stand in Fig. i. Fig. IV is an inside elevation of said controlling mechanism shown in Ill. Fig. V is afragmentary vertical sectional view of said duplicating a'fachinc, taken on the line V, V in Figs. ll and IV. Fig. VI is a vertical longitudinal sectional view of said machine, taken on the line VI-VI in Fig. VII. Fig. VII is a transverse sectional View of said machine,
taken longitudinally with respect to said type carrying drum and platen Fig. VH1
15 a sectional elevation of the electrically controlled releasing mocha ism shown in dotted lines in Fig. V. Fig. IX is a diagram of the electrical connections indicated in the 7.3 other figures.
In said figures, l is the frame of the duplicating machine comprising the rotary printing couple consisting of the drum 2 which is fixed on the rotary shaft. 3, and the platen at which rotates loosely on the normally stationary shaft Said drum 2 is conveniently provided with the stationary hooks 7 and the oscillatory hooks 8 to detachably engage the flexible chase 5) constructed to hold movah c set type 10 as in the application aforesaid. but may other wise adapted to hold printing= forms of different sizes. Said 'wleu {has means to shift its axis toward and away from said drum 2 includingthe eccentrics 11 and 12 on its shaft 5 and the npression lever Ll to turn said shalt. Said platen nonnally retained in coo s-rative -elation with said drum as shown in 'Fi U and Vl, by the o detent including the pli g'cr l3 which engages the socket N3 n ti 2 flange 17 of said lever 14. Said \lclent is carried by the releasing lever 18 which is tulcrumcd in the stud 19 on the ironi 1 and ha at site end the manually operative t ton plunger 20, which ar ss by the spring L1. The s, ring circles said platen shall 51 a thereto at one end. beinghell. end in said trame 1. tends to e; in the direction of the anon II, when re eased; so that w 15 is withdrawn by inwa d iii-w men; c'
Ill
ing tothrust it outward from; the electronet 24 shown in Figs. V a lfid VIII havingthe oscillatory armature 25 pivoted at 26 in the box 27 and having the spring 28 tendmagnet to the position shownin said figure. When insaid posit on, said armature rests against the stop wire 29 and upholds-the latch-lever 80 which is pivoted at 81 in said box 27 and has the recess 32 for the stop H pin 34 on the tripping lever 35 soas'to normally hold the latter in the position shown against the stress of its spring 36 which en circles the pivot 37 of said lever 35 and tends to throw the latter and the releasing lever 18 inward when said armature is drawn toward the electro-magnet far enough to release said catch lever and permit the lat ter to fall and free the pin 34 of the tripping lever. It will. be seen from Fig.
:VIII that this tripping lever 35 is a bell-crank having a substantially horizonthe feed roller 38 journaled in said frame 14.
talarm projecting outwardly from the hinge pin 37 and passing through an opening in the frame plate 1, so that its extreme portionis exposed and constitutes a finger piece to return this lever or hinged member 35 and the latch-lever 30 to normalosition. This return of the latch leyers 30 is caused by the pins 34 engaging the shoulder provided by the forward wall of the recess 52 in the latch lever.v "When the pin engages this shoulder it rocks the latch lever about its own pivot 81 and thereby raises its rear end to allow the armature to spring beneath it. As' hereinafter described, said automatic releasing mechanism is arranged to be electrically operatedY-in accordance with the position of the paper'feeding mechanism, which as shownin Fig. VI includes above the table 89 but'idly rotary with its axis stationary. Said feedroller 38 isopposed by and driven by the pressure-of the feed roller 40 below said table 89 having rubber faces to engage the cut sheets of 3 paper 42. Said roller 40'is raised to oooperative relation with said roller 38 by the rock shaft-'43 having-the lever arms 45, in
which saidshaft is journaled, and thes'pring ld tending to'turn said shaft the direc- 1 tion of the arrows shown in Eigs..1VIand Il,;.oneendof said spring ,46 beingconnectf *held inframe l'as indicated in dotted lines ed to said shaftg43 and the othenendbein'g {in-Fig; II Said arms 45 also carry the cross bar 47 having the paper stop fingers 48in registr-y openings in the, guide plate '49 andftable so that when said arms do are oss-nee lowered each paper sheet 2 may be thrust against said fingers to insure its proper angular relation with the machine before being gripped by the upward movement of said roller 40 against the roller 38. Said stop fingers 48 being raised when the paper sheets 42 are thus gripped, they are fed into the machine by said rollers; said roller 40 being positively rotated by its gear 52 which is engaged by the gear 54 which turns loosely on said shaft 43 and is driven by the platen gear 55, which engages the gear 56 on'the drum 2. Said shaft43 is turned against the pressure of said spring 46 to I lower said roller 40 and stop f ngers 48 by the lever arm 58 on said shaft 43 having the in the framel and carrying exterior thereto the friction roller (33 in position to be enof the drum shaft handle 67 shown in Fig.
I. However, as'indicated in Fig. VI said platen gear 55 is engaged by the gear 68 on the shaft 69 which extends through the frame 1 as shown in Fig. I. and is provided with the belt wheel 71 connected by the driving belt 72 with the belt Wheel 78 on the stud shaft 59 extending through the-slot 6O counter shaft 74 of the electric motor 75'.
As indicated in Fig. I said motor 7 5 has the conductors 76 leading to the plu'g'77 in the socket 7 8 on thepanel 79 supported by the. stand 80 and having the conductors 81 lead.
ing to the service plug 82,50 that as indicated in Fig. IX, said motor may be included. in circuit with the rhe'ostat 83 and. the sw'itch 84, and when the latter isclosed. as indicated in Eig. IX the speed of the motor and consequent speed of the machine may be adjustably determined by manipulation of the handle 85 on said rheostat 83.
.- As shown in-Figs. III and IV said switch 84 has the push buttonsfi-Y and 88 t0. respec-1 tively-close and open it a'nd as indicated in' v FigrlX it not only controls the circuit to said motor" 75 but contemporaneo uslv' controls the stop mechanism circuit 89 including the battery 90 connected by the conductor 91- with thereleasingmagnet coils 24. The
conductor 93 connects said coils 24 with the switch terminal 94 which. as indicated in Figs. II and V is a flat spring mounted on the insulating block 95 in the frame 1 andhaving the screw 96 by which it may be adjustably set' away from said block; said screw 96 having the jam nut 97 to secure it in adjusted position as shown in Fig. II.
"itch member '94 is opposed by the resnitch member 98 which is secured i relation with the shaftby the ."n, screw 99 shown in. Fig. V, so that said 5 switch member 98 oscillated with the paper feeding illQCllll ism, above cescrioed; the arrangement being such that when the cam 65, turns the arm 58 into inoperative position, said sr-xitch is opened, and when said cam permits said arm to return to the ppw'ition. oi the feed roller l0 said. switch is c wed, unless a sheet of paper 42 is n nucd between said rollers 38 and 40, llltilCklllCCl in Fig. IX. Ti lie arm 98 is made comparatively hing as shown, so as to multiply the of movement adjacent to the switch point ill compared with the move- .n of roller ll-t). Thus the presence or even a very thin sheet-of paper 3 rolhrs 3S and 20 may determine 9st will be open or icing the purpose of the stop mechanism to operate said platen releasing mechanisu. and render the printing couple inopnative nly when a sheet L2 emitted at l uhen it snould be present herollcrs 40 and 38; it may be ohif the stop mechanism circuit g lat only by said switch on the gh the machine would he said 1'. llers 40 and en successive sheets 42 to to the machine. 'lhereanother switch in said cirprunel. incl:
l n he insulating block 102 on so to be closed by the high 'd cam 35 on the drum 2, as when the forward edge i oald be presented bctwccn th, jers and 40 against the slop tin convenient means may be em iloycd eh ink for the printing impressions,
"1, either said printing form 10, or f sheet of textile fabric ltll hahly held thcreover by the i mule; 105 and flexible resilient o leashes it'll engaging? the metal plates S and 199 at the respectively opposite ends of mid eel, may be reinlicd after each printhnprcssicu by the mechanism illustrated V i. As shown such mechanism inaced ink transfer roller Mich has the ear 112 engaging the a drum and is normally prethe position shown in Fig. VI to l; to said sheet 104- or form. 10. mechanism which is supported 3 113, :nljustable toward and drum 2, also includes the y 26 and 117 having means to turn them and intermittently 5119M a donuite; adjustal'rly \idriable amount the rubluu- 1' 100, pressed by of ink 1120 upon said transfer roller 110. The supply of said ink 120 is upheld by and between said rollers 116 and 117 and a pair of inl; ates 1551 which are pressed between said r0 lers by the spring arms 123 on the cross heads 12% which are adjustable toward and away from each other and are secured in adjusted position by the thumb nuts 125 on the bolts 126.
The mechanism above described may be used as follows: The type 1.0 being set in the desired form in the flexible chase 9, said chase is attached to the drum 2 and covered with the ink transfer sheet 104: as shown in Fig. VI. The guides 127 oil-the paper chute 128 shown in Fig. I being set to direct cut sheets of paper 422 of the desired size in the desired relation to the width oil type form; the cam is rotatably adjusted on said drum so that when each sheet 42 is presented against the stop 'lii-igers l8 itwill be gripped. at the proper instant to be drawn between said drum and the platen in such relation as to locate-the printed impression thereon in the desired position with respect to the length oi said sheet.
The inking system described acts to coat the transferrollcr with a film of ink suliicient to replace upon the transfer sheet 10%. or type id at each impression the amount of ink which is removed thcretrom'by each impression of the type form. A sheet of paper being then inserted over the table 39 beneath the guide plate 49 against the stop fingers 48, and, said drum 2 being turned in the direction of the arrowmarked thereon in Fig. VI, said feed roller grips said 'shcct against the feed roller 38 to draw it between said drum 2 and platen 4, print it, and discharge it over the rollers 130, on the shaft 151 which is rotated by its gear 13-32 engaging the gear 68 on the shaft (3.). Said rollers have corrugated soft rubber faces which en 'age said sheets and direct thcnr against the inclined guide strips shown in Fig. Vi, so that said sheets fall into the rack 135 as shown in Fig. I,
i-ilthough the operation of the entire machine as above described maybe initiated, regulated and terminated by manipulation of the electric cont-rolling mechanism for the motor shown in Fig. l; the operator may at any instant during such operation press the button 20 to operate the lever 18 and thus render the platen 4 inoperative and terminate the printing operation without stopping the machine.
Although l find it convenient to'providc the machine with the electric motor and controlling mechanism connected therewith as indicated in l i rsjl and lit, it is to he understood that said motor and its circuit may ,be entirely omitted and the macl'iine oper above described. 'lhcrefore, I do not desire to limit myself to the precise details of construction and arrangement above described toward and away from the lillllZQlZ; means :11?
ranged to render saidhouple 'ii'iopcrative when released; an electrically operative releasing mechanism; an electric switch comprising a normally stationary member and a member carricdby and arranged to osoil late with said movable feed roller; a spring tending to shift said movable roller into contact with said-other roller; and an electric circuit includingsaid switch, said releasing mechanism and a source of current;
whereby said releasing mechanism is operated and the printing couple rendered in operative when saidswitch is closed, such closurebeing consequent upon the omission i of a sheet of paper when it should be present between said feed rollers.
3; The combination with a rotary print ing' couple; of mechanism arranged to feed sheets of paper between SllldrCOllPiE including a feed rollermounted to rotate on :1 normolly stationary axis and another feed roller mounted to rotate In opposition to -said first feed roller upon an axis movable toward and away from the latter; means arranged. to render said couple inoperative when released; an electrically operative releasing-mechanism; an electric switch in operative relation with said movable feed roller; .a spring tending to shift said movable roller into contact with said other roller; and an electric circuit including said. switch, said releasing mechanism and a source of current; whereby said releasing mechanism is operated and the printing couple rendered inoperative when said "switch is closed, such closure being course quent upon the omission of a sheet of paper when it should be present betweei'i said-feed rollers. p p
3. The combination with a-rotary printing couple including a drum; of a camcorried' by said drum; an electric switch ,ar
ranged to. be closed and opcnedby said cam; v
means arranged torender said couple inoperative when released; an. -elec-tri cally operative releasing mechanism; mechanism as ranged-to feed sheetsof paperbetween saidv couple, including a pair of feed rollers onev of which is moved toward or'from the other I roller below said table means arrang weenie ing said switch, said releasing mechanism and a source of current; whereby, said re lea-sing mechanism is operated and the printing couple render-d inoperative when said switch is closed, such closurebclng consequent upon the omission of a sheet of paper when it should be present between said feed rollers.
' L. The combination with a printing coupie including a rotary drum; of a cam carried by said drum; means whereby said cam may be rotatably adjusted in definite relation to the printing form on solid drum and secured in rigid relation with said shalt; means arranged to render said couple operative when released; an electrically operative releasing mechanism; paper feed mechanism controlled by said cam; an electric switch in operative relation with said paper, feed mechanism; and, an electric circuit including said. switch, said releasing mechanism and a source of current; whereby, said releasing niechanism is operated and the printing couple rendered inoperative when said switch is cldsed, such closure beingconsequent upon the omission m? a sheet of paper when it should be presc v 5. The combination with a rotary ing' couple including a drum; of: ranged to render said couple when released an electrically one leasing mechanism; a= cam earri drum; paper feeding lfififilrfiilh a'supporting' table stop fin; s above table, a feed roller abore Flllli ta le a shift said lower roller to and from. cooper ative relation with said upper roller incl Hi ing a reckshaft carrying said stop fingers and said lower roller and having means to engage said cam, whereby said step fingers and feed rollers are rendered aiterimtely operative and inoperative in accordance with the rotary position of said cam; an electric switch arranged to be operated by said cam; another electric switch arranged to be closed when said feed rollers are in contact; and an electric circuit including said switches, said releasing mechanism and a 1 paper when it should be present between said feed rollersy I v v 6Jlh'e combination with a trame; of a rotary printing couple including a drum; of
means arranged to render said couple in-' operative when released; an electrically operatiye releasing mechanism; a cam car-c ried by said'drum; paper feeding 1ncchanism includ ngjo. su porting table, a feed roller above said tab e a feedroller below e crative' when means 5 means to engage said cam, whereby said,
feed rollers are rendered alternately operafive and inoperative in accordance with the rotary position of said cam; an electric switch arranged to be operated by said cam;
another electric switch arranged to be closed when said feed rollers are in contact; and an electric circuit including said switches, said releasing mechanism and a source of current; whereby said releasing mechanism is operated and the printing couple ren-- dered inoperative when both of said switches are closed, such closure being consequent upon the omission of a sheet of paper when it should be present between said feed rollers.
7, The combination with a'rotary printin couple including a drum; of a cam caried by-said drum; an electric switch arranged to be operated by said cam; means arranged to render said couple inoperative when released; an electrically operative, releasing mechanism; mechanism arranged to teed sheets of paper between said couple, including a pair of feed rollers, one of which is movcd with reference to the other by said cam; second electric switch controlled by such movement of a feed roller; 2&1: electric circuit including said second switch, said rcleasing mechanism and a are ol current: an electric motor; a rheoan electric circuit imgliulinp said motor, ource of current; and, a
1 .l to conteinporaneously use lUol ot said circuits; where- 40 by, said releasing mechanism is operated and the printing couple rendered inoperative upon clmleniporaneous closure or switr'rhcs.
8. The combination with a printing couple; of an electric motor arranged to operate said couple; an electric circuit including said motor and a source of current; means arranged to render said couple lllOPGI'LtlVG when released; an electrically operative"re so leasing mechanism; movable mechanism arranged to feed sheets of paper between said couple; an electric switch one memberof which is moved by movement of said feeding mechanism; auclectric circuit including said switch, said releasing iiiecllai'iisiii and a source of current; and, a switch arranged to contemporancously open and close both of said circuits; whereby, said releasing mechanism is operated and the printing couple rendered inoperative when said switches. are
contemporaneously closed.
vQIZlhe combination with a frame; or a rotary printing couple includ ng a drum; means r ranged to render said couplcinopleased; an electrically .opersaid l ative releasing mechanism; a cam carried by said drum; paper feeding mechanism including a supporting table,'a feed roller 5 above said table, a feed roller below said 1 table, and means arranged to engage said cam; whereby said feed rollers are rendered l i cordance with the rotary position of said cam; an electric switch arranged to be operated by said cam; another electric switch arranged to be closed when said feed rollers are in contact; and an electric circuit including said switches, said releas ing mechanism and a source of current;
operative when both of said switches are closed, such closure being consequent upon the omission of a sheet of paper when it should be present between said feed rollers.
10. The combination, with a printing couple, of a paper feeding mechanism having two feed rollers, one of which is movable bodily toward and from the other, mechanism operated by the couple for so moving the movable roller, a'pair-of electric con.-
movement, an electromagnetic latch electrically connected with said contacts, and means whereby said latch may throw the couple to idle position.
11. The combination of a printing couple, a paper feed therefor including a pair of 1 feed rollers, one of which is bodily movable toward and from the other, mechanism operated by the couple for so moving the bodilymovable roller, an arm actuated by such movement and multiplying the range thereof, electric contacts controlled by such arm, and a magnetic latch controlled by such, contacts. y 12. The combination, with a printing couf plc, of a paper f ed mechanism therefor in- I eluding a rock shaft, a feed roller carried l thereby and bodily movable by the rockingl of said shaft, means controlled by the move ment of the couple for rocking the shaft, an arm projecting-from the rock shaft a disi tance greater than the distance to the center I of the roller wherebythe movementot the roller is multiplied at the end of the arm, I an electric contact adapted to coiiperate with I said arm near its free end, and an electro-- n'nignetic latch controlled by such contact. l 13. The combination of a rotary printing couple, a paper feeding mechanism compris- I log a feed roller, a roller adapted to cooperl l l l l l atcthcrcwith, a rock shaft having rigid. arms carrying said. last mentioned roller, a cam on one member of the couple adapted to rock said shaft, an arm secured. to said rock shaft and projecting a considerable distance therefrom, an adjustable contact point adapted to 006pcrate with said arm near its free end, Wherei by the contact opened or closed according alternately operative and inoperative in acwhereby said releasing mechanism is opcr-' ated and the. print ng couple rendered 111- tacts controlled as to their relation by such to the position of the movable feed roller, an electromagnetic controlling mechanism. connected with such contact, 4
14., T he combination of rotary piinting couphgen eccentric support for the platen, a spring tending-to turn such support to move the platen to idle position, a detent restraining such movement, an electromagnetic latch adapted to withdraw the detent, a paper feed mechanism for the couple, and electric contacts and a circuiti'or the latch controlled by the feed mechanism.
15. The combination of a printing couple, means for moving the platen to idle position, an electro-magnetic latch for operating said means, said latch comprising a hinged member adapted to act on said means, spring normally acting on the hinged member, a latch lever engaging the hinged mem,
her to hold it inactive, an armature which the latch lever engages, and a magnet con trolling said armature.
16. The combination of a printing couple, mechanism for rendering the same idle, an
electr c-magnetic latch for throwing said mechanism, said latch comprising a hinged member, a spring tending to move it into active position, a latch member for holding it in idle position, an armature for holding the latch member, and a magnet for operating the armature, said hinged member having a projecting finger piece adapted to return it to normal position, and ineans whereby such movement returns the latch member.
17. The combination, with'a printing couple, of an electro-magnetic latch for controlling the same, said latch comprising a magnet, an armature therefor, a latch-lever adapted to engage the armature and be held thereby, a hinged operatingelever adapted to be held idly by the latch lever, a spring tending to move said operating lever into active position, means returning the operating lever, and means whereby such return returns the latch lever,
18. The combination of a. rotaryuprinting couple comprising a printing drum,- a platen andupright frame members between which the two are mounted, anf'eccentric shaft supporting the platen, mesi ns tending to Zturn said shaft to bring the platen to idle position, a detent restraining such movement, a
bar on the inner side of the frame for movbe moved by hand, an electro-magnetic latch mounted on the inner side of the frame and having an operating member adapted to en-- gage said her, and a finger piece for return- .l rg said latch to normal posit-ion, said finger piece projecting outwardly through an open- I ing in the frame, whereby it maybe operated from the outside.
19. The combination, with; a printing con ple, of an electro-inagntic controlling latchiherefoi' consisting of a pivotally mounted operating member, a sprlngtending to move the same to active position, a pin pr0 ect-ing from the end of said member, a latch lever hinged independently of the member and having a recess which said pin may occupy' or clear, an armature adapted to engage and support the latch lever with the pin in the recess, a magnet for said armature, and a finger piece projecting frcm the operating member and adapted to i'eturn it and thereby return the latch lever by reason of the pin coming against the shoulder thereon, provided by the fcrwardwall 0f the recess, there being a spring to cause the armature to move into engagement with the latch lever when it is moved by the operating member,
20. The combination, with a rotary printing couple, of means adapted to throw the platen of the couple to idle position, a re- "straining device for saidmeans, an electromagnetic latch for throwing the restraining device, said latch having a hinged member, a spring tending to move the same to throw the restraining device, a finger piece on the hinged member adapted to return it when thrown, an electro-magnet, and connections between the same and the ,hinged member, whereby the magnet may release the hinged memberto the action of its spring.
In testimony whereof, I have hereunto signed my name at Burlington, New Jersey, this twenty-sixth day of September, 1910,
SAMUEL A, NEIDICH. Witnesses Q Jenn W. DAVIS,
GEORGE GAMooo.
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