US1004408A - Duplicating-machine. - Google Patents

Description

H. C. GAMMETBR.

DUPLIOATING MACHINE.

APPLICATION FILED MAB.28, 190s.

Patehted Sept. 26, 1911.

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H. O. GAMMETER. DUPLIGA'IING MACHINE.

APPLICATION FILED MAR.28, 1906.

Patented Sept. 26, 1911.

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DUPLIOATING MACHINE.

- APPLICATION FILED MAR. 28, 1906. 7 1,004,408, Patented Sept. 26', 1911.

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H. G. GAMMETER.

DUPLIOATING MACHINE. APPLICATION FILED MAR. as, 1906.

1,004,408, Patented Sept. 26, 1911.

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"UNITED, sTATEs PATENT OFFICE.-

HARRY C. GAMMETER, OF CLEVELAND, OHIO, ASSIGNOR TO THE AMERICAN MULTI- GRAPH COMPANY, OF CLEVELAND, OHIO, A CORPORATION OF OHIO.

DUPLICATING-MACHINE.

To all whom it may concern:

Be it known that I, HARRY C. GAMMETER, a citizen of the United States, residing at Cleveland, in the county of Cuyahoga and State of Ohio, have invented acertaln new and useful Improvement in Duplicating-Machines, of which the following is a full, clear, and exact description, reference being had to the accompanying drawings.

This invention is designed to provide a simple and efficient printing device adapted for embodiment in a small office machine.

The machine prints with individual type mounted in longitudinal holders on one member of a couple which prints by rolling contact.

The invention is primarily concerned with --an inking ribbon and mechanism for carrying and feeding it, enabling the ribbon to travel forwardly with the type during impressions and to be drawn backward between impressions.

The invention includes also the arrangement whereby the ribbon may be fastened on its spool and whereby the used portion of the ribbon may beremoved and discarded. The aper feed operating conjointly with the ribbon feed and the means for reventing inopportune inking of the paper are also included within the present invention.

The invention may accordingly be most conveniently summarized as consistlng of the combinations of cooperating elements hereinaft-er illustrated and set out in the claims.

cated by line 33 of Fig. 1. Fig. 4 is a detail showing the inking roller and the ribbon barrel, being a section substantially on the offset line 44 of Fig. 1; Fig. 5 is a detail showing, in plan, the paper feed rollers and adjacent parts. Fig. 6 is a section along the shaft shown in Fig. 5. Fig. 7 is a longitudinal section of the inking roller. Fig. 8 is a perspective detail of the clutch-operating mechanism of the ribbon feed. Fig. 9 is a sectional side elevation of the ribbon receiving roller and its clutch. Fig. 10 1s a perspective view of the support and clamp upon which the ribbon is wound. Fig. 11 is a per- Speciiication of Letters Patent.

Application filed March 28, 1906.

Patented Sept. 26, 1911.

Serial No. 308,379.

tion in the ends of the base and are firmly fastened. to those ends by screws. This forms a very stiff and rigid frame.

B designates a shaft mounted in suitable bearings carried by the two end plates of the frame. On the end of this shaft is a crank C by which it may be rotated.

D indicates the printing drum whiclris a hollow webbed structure, as shown, having on its exterior parallel rails d, present-ing type channels between them, the type having grooves in their opposite edges whereby they may be held in such channels. The drum carries bushings cl surrounding the shaft. Mounted radially in the drum is a set screw E, adapted to extend into a reduced portion 5 of the shaft B. The head of this set screw occupies a recess (l in the drum, whereby it does not project sufficiently to interfere with the type. lVhen the set screw is loosened, the shaft B may be drawn out endwise, and the drum removed for the assemblage of type into its channels or the distribution of type already therein.

The printing drum, it will be seen, is adapted to carry a page form of assembled individual type, and by having this drum removable, the form may be removed intact and preserved for future use; or type may be assembled into, or distributed from, one drum while another is printing.

The feature of a removable holder for a page form of assembled type is claimed in my divisional application #574,660; filed Juy so, 1910.

oiiperatiug with the printing drum is an impression drum F, mounted within the base on a shaft G. The drmns D and F are geared together by the gears H and I respectively. The gear I is secured to the drum F, while the gear II is mounted on a framebushing a but is driven by lugs b on the tion of the impression platen. This enables the impression platen to'be overlaid or un derlaid' to provide for inequalities in the type. The soft covering f"'is secured at one end in a slot Pin the drum, while the other end is held by a spring bale f bending the covering into a recess 7 in the drum.

The shaft Gr of the impression platen is shown as having eccentric extensions 9 g mounted in bushings carried by the end members of the frame base. On the extension 9 is an arm J by which the shaft may berotated to adjust the impression platen with reference to the printing drum. To lock this lever J in various adjusted positions, while allowing its convenient release, I provide the ring K which seats in an annular groove in the end frame member A. The heads of screws 7c confine this ring in the groove while allowing it movement therein, and a thumb screw 70 furnishes means for clamping the ring in any desired position.- Mounted on the ring is a detent spring 10 with which the arm J is adapted to engage. A projection or pin on the inner side of this arm comes opposite an opening or depression k in the spring, holding the arm in'place. To release the arm, the spring is pressed toward the end plate of the machine.

In printing in imitation of typewritten v drum" itself,the ribbon passing around the uses considerable space in the drum, requirdrum. Such an an angement while efiicient,

chine has been designed to'make a very compact and simple structure, and I mount the .ribbon outside of the drum, using a larger portion of the drum surface for type rails.

In the present machine, I provide a spring barrel on which the ribbon P is mounted. This barrel consists of a central shaft n,

heads n and n thereon a tuben connect-.

ing these heads, and a spring or within the barrel, secured at one end to the shaft and at the other end to the headn. The shaft is freely j ournaled in the frame at one end and at the other end extends into a socket carried by a short shaft Q.- This shaft is pressed toward the drum by a spring 9 and its socket is so formed that it prevents the shaft having independent rotation. On the shaft Qis a head 9 and on the frame and the face of the head which bears against it are formed cooperating projections and recesses g Fig, 4c, holding the shaft Q against accidental displacement, while allowing adjustment of the spring by the turning of the head 9'. g

The ribbon P passes between the two drums, and at the rear thereof extends onto the receiving roll R, being held thereto by a suitable spring clip 1". This receiving rollis automatically rotated as the drums are revolved, by mechanism hereinafter explained, and thus takes up the ribbon gripped and fed forward-with the paper by ends in studs S and S, carried by the end frame members A and A. The stud S may be screw threaded in the frame, to allow the removal of the roller. The stud S is rigid with the frame and has loosely journaled on it a clutch T which may engage with the counterbore'd end of the roller. A spring 25 tends to prevent such engage ment. On the clutch T are formed teeth t which mesh with an idler V, which in turn meshes with the teeth of the main gear H.

On the stud S is a rigid flange 6 and a loose washer i which are secured by a pin against rotation. Between these washers isa plate I? journaled on 'the stud and having recesses containing balls t These balls normally occupy also recesses in the washers t and it". If the plate t be rocked on the shaft however, the balls are moved outof their recesses forcing apart the washers t and t and this forces the clutchinto en lOO gagement with the end of the roller R to cause the same to rotate with the clutch.

The plate t is shifted at the proper time to set the clutch by a rod Uconnected with the plate t at one end and at the other end with a bell crank U" which carries a roller U 'adapted to bear on a segmental cam f mounted on the impression platen. Whenthis roller U is in engagement with the lected that peripheral speed of the roller is substantially the same as that of the drums,

so that the ribbon is constantly wound in as it is fed forward by the cooperating sur-" I faces of the drums. At the same timethe positive pull of the roller R overcomes. any tendencyof the spring barrel N to cause backward slippage of the ribbon when gripped between the drums. A weak spring Ufl surrounding the rod U allows movement of the rod without jamming the clutch after the clutch is sufficiently tight.

To allow the coil of ribbon to be applied to the spring barrel without unwinding the coil, I mount it on a split sleeve n, this sleeve having one edge n doubled on itself to clamp the ribbon and having the other edge a turned inwardly to occupy a slot in the tube a preventing slipping. \Vhen the head Q is pulled endwise against the spring the spring barrel may be removed and the spool slipped into place over it.

.i In order to feed 'the paper-to the drums at the proper time, so that the paper and the ribbon will pass between them simultaneously, I provide the following mechanism. On the shaft V, rigidly mounted in the arms U and V*, are loose rollers V. Beneath the rollers are springs V carried by the frame of the machine. These springs are adaptedto bear against the under sides of the rollers and form stops for the paper which may be shoved toward the machine along the plate \V and beneath the guard \V. The rollers V being normally stationary, the paper, when shoved against the rollers, stops at the point where the springs V bear against them. As soon as the cam 7' allows the shaft V to swing downward, the rollers come into contact with the impression platen, and, rotating, draw the paper between them and the ends of the springs and then between the rollers and cidentally inking the paper'feed rolls Vf, 'I provide guardsm secured to the shaft V and extending over these rolls. The guards also hold the rollers in place.

From what has been described, it will be seen that the cam f initiates simultaneously the paper feed and the ribbon feed, enabling both the paper and the ribbon to be fed between the drums at the same speed as that of the line of type bearing on the impression platen. After the printed sheet is discharged from between the drums, the cam causes the release of the clutch T, as heretofore explained, and the ribbon winds back on to the original roller. A short section of the ribbon may thus be used over and over again until exhausted. \Vhen it is exhausted, the clip 1' which holds the end to the receiving roller is loosened, and the exhausted portion of the ribbon is cut off, the ribbon being again connected to the receiving roller. This method of operation has the advantage over using the ribbon for its full length continuously in that the impressions made by the section are more uni- To replenish the ribbon as it is used, I

provide an inking roller X which is adapted to bear directly on the type and ink them, so that the type furnish to the ribbon an amount of ink which corresponds to that which is taken off the ribbon by the impression. This inking roller may also allow direct printing, the ribbon being removed. The inking roller mayitself constitute an ink reservoir.

As shown in Fig. 7 the inking roller consists of a felt exterior a; mounted on the perforated tube m which is held by heads m a). The head adapted to receive the spring pressed bearing pin :0, as shown in Fig. 4, while the head :0 carries a gear :10, which, meshing with the main gear H, furnishes the means of rotation. The head 13 is hollow to communicate witlrthe interior of the roll, and a filling opening is provided in the head, which, when the roller is in use, is plugged by the screw w". The support for the roller allows its easy removal and for filling with ink either for direct printing or of the proper composition and color to replenish the ribbon.

It should be noted that while I have herein shown and described means for periodically reinking the fabric, such means are not claimed in this application, either broadly or in the specific form shown, but in my application No. 607,346, filed February 8, 1911, as a division hereof.

In printing matter with lines of type acting through a ribbon, it results that where the lines are short, as at the end of paragraphs and elsewhere, a portion of the ribbon is unacted upon, thus, ordinarily, leaving the ribbon comparatively fuller of ink at such points; and this inequality of inking in the, ribbon increases with successive impressions of the same matter on the same portion of the ribbon, resulting in giving a comparatively bad impression, when, with change of matter, a full line comes on such portion. For many classes of work this inequality of impression is immaterial and may be disregarded. However, to enable the very best result to be produced, I have incorporated with the ribbon printing my system of inking the type and letting it ink the ribbon. This obviates the difficulty by supplying to the ribbon ink at the exact place where it is removed, and this allows the same short portion of the ribbon to be-used over and over again, producing the same im' pression however the lines of type run. The ribbon is always in good condition unt l the fabric itself is worn out.

' The ribbon may originally be inked independently of the type or it may receive its ink solely from the type. In either case, the amount of ink impressed on the paper is even throughout the page, and thus a close imitation of typewritten matter may be made.

I claim 1. In a printing machine, the combination of the two members of'a printing'couple, of an inking ribbon, one end of which is carried independently of the couple, means for causing it to pass between the members during the impressing operation in the direction of feed of material printed, and means for drawing the ribbon back between the impressing operations.

2. In a printing machine, the combination with the two members of a printing couple, of a roll of inking ribbon, and mechanism for causing a short section thereof to reciprocate lengthwise of the ribbon between said members, said section moving in" one direction during the impressing operation and in the other between such operations.

3. The combination with the two members of a printing couple, of an inking ribbon adapted to pass between the members while they are impressing, and a spring to draw the ribbon back ,to original position when not impressing.

' 4. The combination-with a printing memher and an impression platen,one of which members is rotary, an inking ribbon having one end supported independently of the couple and arranged to have a section adapted to pass between said members during the impressing, and means to return said ribbon when the machine is not impressing.

5. The combination with two members of a rotary printing machine, of a spring barrel and a ribbonwound thereon adapted to pass between the members while impressing and retracted by the spring when the members are not impressing.

6. The combination with two members of a printing machine, of a spring barrel and an inking ribbon wound thereon adapted to pass between the-members while impressing and retracted by the spring when the members are not'impressing, and means for engaging the end of ,the ribbon to draw it along when the machine is impressing.

7. The combination with two members of a rotary printing machine, of aspringbarrel, a ribbon wound thereon adapted topass I between the members while printing and retracted by the spring when the members are not printing, and means for engaging the end of the ribbon to draw it along when the machine is printing, saidmeans being geared with one of the members and controlled by a clutch.

'8. The combination with two members of a printing couple, of a spring barrel, an inking ribbon wound thereon adapted to pass between the members in impressing and be retractedby a spring when not impressing, and meansfor adjusting'the spring.

' 9. The combination with the two members of a rotary printing couple, one of which is adapted for continuous rotation, the printing being effected during a portion of such rotation, means for feeding a ribbon between the members during the printing portion of the rotation and for retracting the ribbon during the non-printing portion of the rotation.

10. The combination with the two members of a printing couple, a fabric mountedv in a roll and adapted to pass between the members and having a short section recipro- I eating between the members in one direction when the members are impressing and in the other direction when not impressing, means to removably engage the free end of the fabric, whereby a section of the ribbon may be printed from and removed when worn out.

11. The combination, in a printing machine adapted to print by continuous rotary movement, of an inking ribbon through tion of the two. members of. a printing couple, of means for'simultaneously feeding paper and an inking .ribbon between said members during the impressingoperation, and means for retracting the ribbon substantially a page length .between the impressing operations.

14. The combination of two members of a printing couple, of an inking ribbon, and automatic means for simultaneously feeding the ribbon and the paper between such members during the impressing operation, and automatic means for retracting the ribbon after the paper is so impressed.

15. The combination withthe two members of a printing couple, of a ribbon feeding device, a paper feeding device, and common actuating mechanism for the two devices controlled by said couple.

16. The combination with a rotary printing drum, a rotary impression platen, of a cam movable with one of such members, a

ribbon feeding device, paper feeding device, 1

and common ,actuating mechanism for the two devices controlled by said cam.

17. The combination with the two members of a printing couple, of actuating mechanism movable thereby, a clutch and a paper feed, both adapted to be thrown into action such spring and roll forming a stop for the paper, and automatic means for bringing the roll into engagement with the impression platen to feed the paper.

19. The combination with the two members of a'printing couple, of a shaft movably mounted and carrying rolls, springs adapted to bear against said rolls and form stops for the paper, means for moving said shaftto bring the rolls into engagement with the. platen to feed the paper, and a spring carried by said shaft adapted to bear against the platen to guide the paper. I

20. The combination with the two members of a printing couple, of a shaft movably mounted and carrying a roll, a spring adapted to bear against said roll and form a stop for the paper, means for moving said shaft to bring the roll into engagement with the platen to feed the paper, a clutch adapted to control the feeding of a ribbon, and an opcrating connection between the clutch and such shiftable shaft. I

21. The combination with the printing member, of an impression platen having 'a shaft eccentrically mounted, a lever for rotating said shaft, a ring rotatably held on the frame of the machine, a spring detent for the lever carried by said ring, and means for clamping the ring in adjusted position.

22. A printing couple, one member of which is rotary, an inking ribbon passing between the members and drawn forward during the impressing operation, and means for returning the ribbon to initial position between successive printing impressions.

23.- A printing couple adapted to print by rotary movement, an inking ribbon passing between the members of the couple and drawn forward as it prints, and means for returning the ribbon to initial position following each impression.

24. A rotary printing drum and .an impression platen, an inking ribbon adapted to be gripped thereby and fed forward during printing, and means to retract the ribbon when the printing couple releases its grip thereon.

25. A rotary printing couple, a ribbon adapted to be gripped thereby and fed forward during printing, and a spring to retract said ribbon when the couple releases its grip thereon.

26. A printing couple one member of wlnch 1s rotary, an inking rlbbon passing between the members and drawn forward .by the printing operation, and a spring roller on which the ribbon is mounted for returning the ribbon to initial position between successive printing impressions.

27. In a printing device, the combination with a printing couple which prints by rolling contact, of a long ribbon, means for effecting consecutive printing impressions through the same short section .of such ribbon, andmeans whereby such short section may be removed when unduly worn.

28. The combination 0fa rotary printing couple, an inking ribbon mounted independently of the couple but adapted to pass between the members thereof and move in the direction of their common travel while impressing, and means for retracting said ribbon after such impression.

29. The combination with the two cooperatingly movable members of a printing couple, of an inking ribbon adapted to move between the members while they are impressing, and means mounted independently of the couple for drawing the ribbon backward while the couple is not impressing.

30. The combination with the two members of a printing couple, one of which is rotary, and the other of which has concurrent cooperative movement, of an inking ribbon adapted to pass between the members and move forward with them while impressing and a spring to draw the ribbon backward when the couple is not impressing.

31. The combination of a printing mem ber and an impression platen, one of which is rotary, and both of which move cooperatively during the impressing action, an ink ing ribbon adapted to pass between said members during the impressing, and means to move said ribbon in the opposite direction a distance corresponding to a page form when the machine is not impressing.

32. The combination of a printing member adapted to carry a page form of type, a cooperating impression platen forming therewith a printing couple, said couple printing by rolling impression, an inking ribbon, a page wide, adapted to pass between said members during the impressing act-ion, and means for moving said ribbon in the opposite direction a distance substantially equal to the length of a page, when the machine is not impressing.

33. The combination of a printing member adapted to turn on an axis, means for removably carrying a page form of lndividual type on said member, a cooperating rotary impression platen, an inking ribbon, a pa e wide, adapted to pass between the mom ers of the couple during impressing, and means to draw said ribbon backward 10 35. The combination with two members of. a printing couple, one of which is adapted to turn about an axis, a spring barrel and an inking ribbon wound thereon and carried forward between the members during the impression, and means for retracting said ribbon at a portion of the machines operation when the members are not impressing.

36. The combination with two members.

of a printing couple, of a spring barrel, an inking ribbon wound thereon, and adapted to pass between the members during im-.

pressing and be retracted by the spring when not impressing. 37. The combination with two members of a printing couple, of a spring barrel, a

ribbon wound thereon and'adapted to pass between the members during impressing and be retracted by the ,spring when not impressing, a considerable portion of the ribbon being adapted to be wound on said barrel, and the ribbon being adapted to be unwound therefrom to present a fresh face to the type. I

38. In a printing machine, the combination with the two members of a printing couple, one of which has movement about an axis while printing, and the other concurrent cooperative movement, of means for simultaneously feeding paper and aninking 4o ribbon between said members during the impressing operation, and means for retracting said ribbon a distance corresponding to a page length between impressing operations. 39. The combination with the two members of a printing couple, one of which is rotary and the other of which has concurrent cooperative movement, of a printing ribbon, automatic means for feeding the ribbon and the paper to be printed simultaneously between the members of the couple during the impressing operation, and automatic means for retracting the ribbon in the opposite direction after the paper is so impressed. I

ple, one member of which is rotary, the other of which moves in cooperation, whereby the impression is eifected by rolling contact, a spring barrel, an inking ribbon mounted thereon and passing between the members of the couple, and means for supporting and winding in the other end of the ribbon.

41. The combination, with a printing.

member mounted to turn on an axis, a rotary 40. The combination with a printing concooperative impression platen, a spring barrel mounted parallel withsuch axis, a ribbon passing forward from'the spring barrel between the members of the couple, and means on the other side of the line of contact of the printing member and platen for carrying the forward end of the ribbon.

42. The combination, with a printing member mounted to turn on an axis, a rotary cooperative impression platen, a spring barrel mounted parallel with such axis, a rib bon passing forward from the spring barrel between the members of the couple, and means on the other side of the line of contact of the printing member and platen for carrying the forward end of the ribbon, and mechanism for rotating such means to wind in the said forward end.

43. In a rotary printing machine, the

combination of a rotary member adapted to carry a page form of individual type, a rotary cooperating under-running impression platen, a spring barrel mounted independently of such members but parallel with their axes, and a ribbon mounted on the spring barrel and passing between the members of the couple. 1

44. In a rotary printing machine, the

combination of a rotary member adaptedto carry a page form of individual type, a

rotary cooperating? under-running lmpression platen, a spring barrel mounted independently of such members but parallel with their axes, a ribbon mounted on the spring barrel and passing between the members of the couple, and a rotatable barrel on the a other side of the line of contact of the couple arranged to carry the forward end of the ribbo 45. The combination of a printing couple,

one member of which is rotary, an inking ribbon mounted independently of the couple and passing between the members of the one member of which turns about an axis and the other of which has cooperative concurrent movement, an inking ribbon adapted to be gripped between the members of the' couple and fed forward during the printing,

and a spring to retract the ribbon when the printing couple releases its grip thereon.

48. The combination of a printing couple,

one member of which has rotary movement during printing, an inking ribbon passing between the members of the couple and drawn forward by the printing operation, and a spring barrel on which the ribbon is mounted.

49. The combination of a printing couple, one member of which has rotary movement during printing, an inking ribbon passing between the members of the couple and drawn forward by the printing operation,

and a spring barrel on which the ribbon is I mounted, the forward movement of the rib bon tightening the spring and the retraction of the spring drawing the ribbon backward.

50. The combination with a printing member, of an impression platen having a shaft eccentrically mounted, a lever for adjusting said shaft, a shiftable member held on the frame of the machine, a spring detent for the lever carried by said member, and means for clamping the member in ad justed position.

51. In combination with a type-carrying cylinder and a platen roller, a printing ribbon drawn forward by the grip of said roller and the type on said cylinder and means drawing backward on said ribbon against the forward pull of said type and platen roller, in order that the ribbon may be antomatically returned to its first position when the grip of said type and roller ceases.

52. In a printing machine, the combination with a rotary printing cylinder, of a ribbon carried by spools'mounted independently of the cylinder, and means operated by the rotation of the cylinder for intermittently shifting said ribbon from one spool to another.

53. In a printing machine, the combination with a rotary printing cylinder, of a ribbon carried by spools mounted independently of the cylinder, and means for shifting said ribbon from one spool to another re versely to the movement of the cylinder.

54. In a printing machine, the combination with a rotary printing cylinder, of a ribbon carried by spools mounted independently of the cylinder, and means operating intermittently to shift the ribbon from one spool to another past the printing point during the rotary movement of the cylinder.

55. A printing machine embodying a rotary printing cylinder and platen, a ribbon carried by spools mounted independently of the cylinder and passing between the cylinder and the platen. and means operating to shift the ribbon from one spool to another past the printing point during the rotary movement of the cylinder.

56. The combination of a printing member and platen. one of which turns on an.

bon adapted to furnish the ink for such impression, and a spring barrel onwhich the ribbon is wound the ribbon moving during the impression. V

58. The combination of a rotary type drum, rotatable during the impression operation, an impression platen, and an inking ribbon cooperating with the two and mounted independently of the drum.

59. The combination of a printing couple, which prints by rolling contact an inking ribbon mounted independently of the couple, and means for reciprocating a page ength of such ribbon between the couple.

60. The combination of a printing couple one member of which is rotary and both members of which move cooperatingly while printing, an inking ribbon, and means for feeding the ribbon substantially a page length at a time.

61. The combination of a printing couple adapted to print a page form by rolling contact, an inking ribbon, means for feeding.

substantially a page length of ribbon be tween the members of the couple during the impression, and means for returning substantially a page length of ribbon between the members of the couple between impressions.

62. The combination of a rotary type form, a platen whose cooperating surface is substantlally as great as that of the form, an inking ribbon, and means independent of the member which carries the form for carrying the ribbon.

63. The combination of a couple which prints by rolling contact, both members movmg during the impression, and an inking ribbon having a portion mounted independently of the couple but adapted to pass between the members thereof and move in the direction of their common travel while impressing, and means for returning said ribbon after such impression.

64. The combination with the two members of a printing couple, which roll on each other during impression an inking ribbon adapted to pass between the members while they are impressing, and a spring to draw the ribbon backward when not impressing.

65. The combination with the two members of a printing couple, of an inking rib-' operation, and means for moving the rib- 'bon in the other direction substantially a page length between successive impressions.

67. The combination of a printing couple formed to print by rolling contact, an ink-' ing ribbon adapted to be gripped and fed during the impression, and means mounted independently of the couple to take up the mounted to print by rollin contact, an inking ribbon having an en mounted independently of the couple but adapted to lie between the members thereof and move in the general direction of their successive lines of' 'contact, and means for moving said ribbon in the opposite direction after such impression.

70. In a printing machine, the combination of a traveling member carrying a letter form, an inked ribbon stretched across such .form and attached at one end to means carried by the frame of the machine, and a platen to press a sheet of paper upon the ribbon against the form as the form moves through the printing position.

a 71. In a printing machine, the combination of a movable member carrying aletter form, an inked ribbon stretched across such form and attached at one end to means carried by;the frame of the machine, means for feeding said ribbon at each operation of the machine, and a' roller platen to press a sheet of paper upon the ribbon against the -f0rm as the latter moves cooperatingly through the printing position.

72. The combination of a type carrying member-and a rotary impression platen, a fabric'adapted to pass between them and having one end carried byfaroller, a spring barrel carrying the other end of the fabric whereby the fabric winds on and off the spring barrel with each' complete operation of the printing member.

73. The combination in a duplicating machine, of a type carrying member and a cooperating platen, a roller, a spring barrel, a .ribbon running from the spring barrel to the roller, and traveling on and off the spring barrel with'each complete operation of the machine, and means for imparting rotation to the roller to wind the ribbon.

74. In a duplicating machine, the combination of a printing memberformed to carry type, a rotary impression platen, a spring barrel located parallel with the impression platen, an inking ribbon adapted to extend carried by said member, a spring roller on the frame beyond the printing posit-ion, another roller, a ribbon attached at 1ts ends to said rollers and means for automatically turning such other roller at each operation of the machine.

76. In a printing machine, the combination of a movable member, a print-ing form carried thereby, an inking ribbon having at least one end mounted independently of said member stretched across the member and through which said form prints, and a paper feeding roller movable bodily and intermittently into operative position to feed a sheet of paper into printing position.

77. The combination of a type carrying member, an impression platen, a spring bar-.

rel, an inking ribbon mounted thereon, and adapted to lie between the type carrying member and platen, a paper feed roller,and

means for automatically moving it to feed a sheet of paper to printing position.

78. In a printing machine, the combination of a movable member carrying a form to be printed, a ribbon through which said form prints, a roller independent of said member carrying one end of the ribbon, a dischar e table arranged at an angle, and means For feeding the sheet to be printed to printing table. p

79. The combination with a printing member, of a rotary cooperative impression platen, a spring barrel mounted parallel with the axis of the platen, a ribbon passing from the spring barrel between the members of the couple, and means on the other side of the line of contact of the printing member and platen for carrying the other end of the ribbon.

80. The combination with a printing member mounted to turn on an axis, a r0 t-ary cooperative impression platen turning on a parallel axis, two rollers mounted on opposite sides of the line ofcontact of the platen, and printing member, and an inking position and onto the discharge ribbon extending from one of said rollers to the other.

81. The combination with a printing member mounted to turn on an axis, a ro- -tary cooperative impression platen turning on a parallel axis, two rollers mounted on opposite sides of the line of-contact of the platen and printing member, an inking ribbon extending from one of said rollers to the other, and means for positively driving one of said rollers to wind in the ribbon.

82. In a rotary printing machine, the combination of a rotary member adapted to carry a page'form of individual type, a parallel rotary cooperating under-running impression platen, a pair of rollers mounted independently of such members but parallel with their axes, a ribbon passing between .the members of the couple and having its ends mounted on said rollers, and means for rotating one of said rollers. 83. The combination with a type carrying cylinder and a platen roller, of an inking ribbon drawn forward by the grip of said roller and the type on said cylinder, two rollers on which the ends of said ribbon are wound, and means for driving one of said rollers.

84. In a printing machine, the combination of a movable member, a printing'form carried by said member, a spring roller on the frame of the machine, another roller, an inked ribbon attached at its ends to said rollers, and means for automatically feeding said ribbon at each operation of the machine.

85. In a. printing machine, the combination of a movable member, a printing form carried by said member, a spring roller on the frame of the machine beyond printing position, a roller at the other side of the printing position, an inked ribbon attached at its ends to said rollers, and ribbon-feeding mechanism for the last mentioned roller adapted to operate at each operation of the machine.

86. The combination of a movable printing member and a rotary impression platen, an inked fabric adapted to pass between them and having one end carried by a roller, and a spring barrel carrying the other end of the fabric, the fabric winding on and off the spring barrel with each complete cycle of the member.

87 The combination in a duplicating machine, ofa type carrying member and a cooperating platen, a printing fabric adapted to pass between them, a. ribbon spool, a spring barrel, a ribbon running from the spring barrel to the ribbon spool and traveling on and off the spring barrel with each complete operation of the machine, and means for turning the spool to wind the end of the ribbon opposite the spring barrel.

88. The combination in a duplicating machine, of a type carrying member and a cooperating platen, a printing fabric adapted to pass between them, a ribbon spool, a spring barrel, a ribbon running from the spring barrel to the ribbon spool, and traveling onand off the spring barrel with each 1 complete operation of the machine, a paper feed roller,-and means for periodically movmg the same into active position.

89.. The comblnation of a rotary platen, a

I. cooperating rotary form member, a fabric extending between the form member and platen, rollers independent of the form member and platen for carrying the ends of the fabric, means for feeding paper between the fabric and platen, and means consequent upon the rotation of the couple for feeding the fabric.

90. The combination, with'the frame of the machine, of a rotary under-running roller platen, a rotary typecarrying drum 91. The combination, with the rame of the machine, of a rotary under-running roller platen, a rotary type-carrying drum above the platen, an inked ribbon extending between the drum and platen, a pair of roll ers on opposite sides of the drum and platen and parallel therewith for carrying the ends of the ribbon, means for feeding paper beneath the ribbon and above the platen, the ribbon passing with the paper between the members of the couple, and a spring acting on one of said rollers for retracting the ribbon following the printing impression.

92. The combination of a roller platen, a cooperating type-carrying drum, a fabric extending between them, the fabric being adapted to be fed forward by the rip of the drum and platen, rollers indepen ent of the drum for carrying the ends of the fabric, means for turning the roller onthe advance side to take up the fabric during the impressing, and means for turning the roller on the rear side after the impression to wind back the ribbon.

93. The combination, with the printing form and platen, of an inking ribbon stretched between the two, a paper feed roller movable intermittently and bodily into active position, and a sprin barrel for carrying one end of the rib on, the ribbon winding on and oil the spring barrel with each complete operation of the machine.

94. The combination, with a rotary printing couple, of an inking ribbon, a spool therefor, andmeans for winding the ribbon on and off the spool with each complete operation of the machine.

95. The combination with a prmtmg couple composed of two members which have rolling co-action, an inked fabric extend ng between them, through which the prmtmg impression is effected, a roller for said fabric, and means for winding the fabric on and off the roller for each complete operation of the machine.

96. The combination with a printing couple composed of two members which have rolling co-action, an inked fabric extending between them, through which the printing impression is effected, aroller for said fabric, means for winding the fabric on and off the roller for each complete operation of the machine, a paper feed roller, and means for moving it bodily into active position.

97. The combination of a roller platen, a movable form member cooperating therewith, an inked fabric extending between the two, a spring barrel carrying one end of the fabric, a roller carrying the other end of the fabric, the fabric winding on and 0d the spring barrel with each complete operation of the machine, a paper feed roller, and means for driving'the platen and form member and automatically moving the paper feed roller bodily into active position.

98. The'combination of a printing couple one member of which is rotary, an inked ribbon passing between the members and having one end mounted off of the couple, means for feeding paper to the couple, and a guard to support the ribbon out of contact with the paper.

99. The combination with the two mem-' bers of a printing couple, of an independently mounted ribbon spool, an inking ribbon wound thereon and passing between the members'of the couple, means for feeding paper between the platen and ribbon beneath the ribbon, and a rod transverse of the ribbon for supporting it out of contact with the paper feeding means.

100. The combination with two members of a printing couple, of an inking fabric, a spring barrel for carrying one end of the fabric, the fabric being adapted to lie between the memberspf the couple, a bodily movable paper feed roller, and means operated concurrently therewith for winding the I other end of the ribbon.

101. The combination with two members of a printing couple, of an inking ribbon adapted to lie between them, a roller for winding in one end of the ribbon, a clutch for controlling the rotation of such ro1ler,a paper, feed roller, and a connection between the paper feed roller and the clutch to cause their concurrent operation.

102. The combination of a movable formcarrying member, a cooperating platen, one having rolling contact on the other during printing, an inking ribbon passing between the form-carrying member and platen and traveling forward during impression, and means mounted independently of the formcarrying member and platen for retracting said ribbon.

103. The combination of a movable printing member, a cooperating rotary platen hav-' ing rolling contact therewith during printtwo, a roller independent of the printing member and platen and engaging the ribbon, and means for rotating said roller to retract the ribbon.

ing, an inked fabric extending between the 104. The combination, with a movable end of the ribbon, and a spring tending to turn said roller in the direction to retract the ribbon.

106. The combination, with a movable printing member, of a cooperating rotary impression platen, an inking ribbon passing I between the two-and adapted to be fed forward by the grip of the members of the couple, a roller on which the ribbon is wound at the rear of the line of printing contact,

another roller on which the ribbon is wound at the front of the line of contact, a spring acting on the roller at the rear tendingto retract the ribbon, and a guide for directing the paper to be printed between the last:

mentioned roller and the platen and into I contact with the platen and the inking ribbon.

In testimony whereof, I hereunto aifix my signature in the presence of two witnesses.

HARRY C. GAMMETER. Witnesses:

ALBERT H. BATES, G. H. MYERS.

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