US796707A - Printing-press. - Google Patents

Description

PATENTED AUG. 8 1905.

W, M. CLARK.

PRINTING PRESS.

APPLICATION FILED MARJO, 1904.

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No. 796,707. PATENTBD AUG. 8, 1905.

W. M. CLARK.

PRINTING PRESS.

APPLIGATION FILED MAR. 30, 1904.

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PATENTED AUG. 8, 1905.

W. M. CLARK. PRINTING PRESS.

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W. M CLARK. PRINTING PRESS. APPLIOATION rmm MAR. 36, 1904.

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UNITED STATES PATENT OFFICE.

PRINTING-PRESS.

Specification of Letters Patent.

Patented Aug. 8, 1905.

Application filed March 30, 1904. Serial No- 200,850.

To aZZ whom it may concern.-

Be it known that I, WILLIAM M. CLARK, a citizen of the United States, residing at Philadelphia, county of Philadelphia, and State of Pennsylvania, have invented certain Improvements in Printing-Presses, of which the following is a specification.

This invention is more particularly designed to provide improved mechanism particularly adapted for job-printing, in which are combined the cylinder-printing principle with the convenient job-press design. It provides a press which is simple and strong in construction, rapid and easy of action, capable of being produced at a small price, and well adapted not only for the class of work done by all job-presses, but also for half-tone work, em-

bossing, and the finer grades of printing not usually capable of being produced upon the job-press. It is also designed for web-feeding, automatically cutting and delivering the printed sheets, and for the operation of numbering and counting mechanism.

The nature and characteristic features of the improvements will more fully appear by reference to the following description and the accompanying drawings in illustration thereof, of which Figure 1 represents a side elevation of a printing-press embodying the invention. Fig. 2 represents a rear elevation of the press. Fig. 3 represents a sectional view taken on the line 3 3 of Fig. 2. Fig. 4 represents a sectional view taken on the line 4 4 of Fig. 1. Fig. 5 represents a sectional view taken on the line 5 5 of Fig. 1. Fig. 6 represents a sectional view taken on the line 6 6 of Fig. 3. Fig. 7 represents a sectional view taken on the line 7 7 of Fig. 3. Fig. 8 represents a side elevation of the feeding and cutting mechanism opposite to that shown in Fig. 1. Fig. 9 represents a top plan view of the feeding and cutting mechanism. Fig. 10 represents a sectional view taken on the line 10 10 of Fig. 9. Fig. 11 represents a sectional view taken on the line 11 11 of Fig. 9, and Fig. 12 represents an end elevation of the feeding and cutting mechanism.

As shown in the drawings, the frame 1 has journaled therein the shaft 2, which has fixed thereon the driving-wheel 3 and the pinions 4. These pinions engage and drive the spurwheels 5, fixed on the spindles 6, which are journaled in the frame and have fixed thereon the cams 7. Riding on these cams are the rollers 8, which revolve on the journals 9, ec-

centrically fixed by the disks 9 to a shaft 10, journaled in the frame-shoes 11 and rocked by the lever 12, the shoes having the pivotal connections 13 with the frame and being rocked thereon by the cams 7 through an arc variable by changing the position of the rollers 8, carried by the movable journals 9.

A pressure-segment or cylindrical platen 14 has the radial arms 15, which carry a rod 16, having rollers 17 thereon adapted to pivot and run in the guides or ways 18 of the shoes, the rod being connected by the links 19 with the crank-pins 20 of the spur-wheels 5, by which the platen is rocked. The rocking movement of the platen is controlled by the links 21,

having the pivotal connections 22 with the platen and the pivotal connections 23 with the frame. The links 21 have the pivotal connections 27 with the links 25, and the latter have the pivotal connections 26 with the arms 29, pivot-ally supported in the frame by the rod 28. The arms 29 carry the ink-roller 30, adapted to oscillate in contact with a typeform 31, held by the chase 32 upon a bed 33, the bed being connected with the support 34 by the screw 35.

Rocking with the rod 28 is a finger or projection 36, adapted to engage a lever 37, having the fulcrum 38 and carrying a gravitypawl 39, the latter being adapted to engage a circular rack 40 on the'under side of the inkdistributing disk 41, which has the journal 42 bearing in the supporting member 43.

Journaled on the frame is a paper-roll 44, from which the paper 45 is drawn over the rollers 46 and 50 between the type-form and the platen. s The paper is carried thence over the table 49, through the guides 51, between the rollers 52 and 53, and beneath the presserarm 54 and the knife 55.

The roller 53 has the ratchet-wheel 56 fixed thereon and actuated by a knife-pawl 57, fixed in relation to a pinion 58, adapted to rock upon the shaft 59, which carries the roller. The pinion is rocked by the engagement therewith of the segmental spur 60, journaled on the spindle 61 and rocked by the link 62, connected with the crank-pin 63 on the segmental spur. The link 62 is journaled on a crankpin 64, fixed on a graduated slide 65, having the slot 66, through which a set-screw 67 passes, being fixed eccentrically in relation to the axis of a cam 7, by which the length of feed is regulated. The other cam 7 has eccentrically fixed in relation thereto a boss 71, which is adapted to engage and rock a lever 72, having the fulcrum 73. This lever has the pivotal connection 74. with a link 75, which has the pivotal connection 76 with the knife 55, the latter having the fulcrum 77 and being elevated by the spring 78. The presserarm 54 has the fulcrum 79 and is held elevated by the spring 78, being depressed by the spring 80 to engage and hold the paper when the depression of the knife effects the depression of the spring 78.

It will now be understood that the revolution of the driving-shaft 2 effects, through the gears 4 and 5, the revolution of the shaft 6 and cams 7 and the reciprocation of the links 19, by which the guiding-shoes 11 and the platen 14 are reciprocated, the cams acting, through the rollers 8, to elevate the shoes, so that the guides 18 and the links 21 cause the platen to roll upon its bed or type-form in the printing movement and to drop the shoes, so that the guides cause the platen to be withdrawn from the bed on the return movement. As the ink-roller 30 is connected with the links 21 by the links 25 and arms 29, it will reciprocate on the type-form 31 in unison with the action of the platen. By moving the lever 12 and revolving the journal of the eccentrically-mounted rollers 8 the rise of the shoes may be limited, so that the platen will not be thrown in contact, but will reciprocate out of contact with the type-form.

Simultaneously with the reciprocation of the platen the cams 7 eflect the intermittent feeding and cutting operations in alternation, the paper being advanced as the platen returns and the cutting being effected simultaneously with the printing movement. The feeding operation is effected by the reciprocation of the link 62, segmental gear 60, spurgear 58, and pawl 57, rotating the roller 52, by which the paper is advanced. The cutting operation is effected by the depression of the lever 72, the link 75, and knife 55 against the action of the spring 78, the holding device 54f being depressed by the spring 80 to hold the paper as the knife descends.

By referring to Figs. 1 and 3 of the drawings it will be seen that the upper part of the curved face of the platen during its downward or return movement gradually approaches a horizontal position, whereby to permit a ready feeding and removal of the sheets to be printed. Thus this design of press has all the feeding advantages of the ordinary flatbed and platen presses, and at the same time it has the further impression advantages of the cylinder-press, the latter being due to the curved platen.

Having described my invention, I claim 1. A printing-press of the bed-and-platen type, comprising a vertically-arranged stationary bed, a reciprocatory curved platen adapted to make rolling contact with the bed, but normally located out of contact therewith and with its curved face gradually approaching a horizontal position, mechanism for first moving the lower portion of the curved platen into contact with the lower portion of the bed and for causing said platen to roll thereover, and for withdrawing the platen out of contact with the bed and for holding it .outiof contact during its return rolling movement.

2. A printing apparatus comprising a vertically-disposed stationary bed, a reciprocating curved platen adapted for rolling on said bed, and mechanism pressing said platen against said bed on the printing movement and withdrawing'it therefrom on the return movement, substantially as specified.

3. A printing apparatus comprising a vertically-disposed stationary bed and a rolling segment, a fulcrumed link pivotally connected to said segment, a movable guide with which said segment has areciprocating engagement, and mechanism for reciprocating said segment, substantially as specified.

4. A printing apparatus comprising a rolling member, a rocking guide with which said member has a reciprocating engagement, mechanism for rocking said guide, and mechanism for reciprocating said member, substantially as specified.

5. A printing apparatus comprising a stationary member, a cylindrical member rolling on said stationary member, a rocking guide with which said cylindrical member has a reciprocating engagement, mechanism for reciprocating said cylindrical member, and mechanism for rocking said guide, substantially as specified.

6. A printing apparatus comprising a stationary bed, a cylindrical platen rolling on said bed, and mechanism for reciprocating said platen, said mechanism comprising a rocking device fulcrumed on a stationary support for pressing said platen against said bed in the printing movement and withdrawing it from said bed in the return movement, substantially as specified.

7. A printing apparatus comprising a stationary bed, a segmental platen rolling on said bed, a fulcrumed link pivotally connected to said platen, a reciprocating shoe with which said platen has a reciprocating engagement, and a cam connected with said shoe, substantially as specified.

8. A printing apparatus comprising a rolling member, a fulcrumed link pivotally connected to said rolling member, a reciprocating guide with which said rolling member has a reciprocating engagement, and a pitman connected with and reciprocating said rolling member, substantially as specified.

9. A printing apparatus comprising a rolling member, a fulcrumed link pivotally connected to said rolling member, a reciprocating guiding-shoe with which said rolling member has a reciprocating engagement, a cam joined with said shoe to effect the movement thereof,'and a pitman connected with said rolling member to effect the reciprocation thereof, substantially as specified.

10. Aprinting apparatus comprisinga rolling member, a reciprocating guidingshoe with which said rolling member has a reciprocating engagement, an eccentric bearing connected with said shoe, and a revoluble cam connected with said bearing, substantially as specified.

11. A printing apparatus comprising a rolling printing device, a' reciprocating guide with which said printing device has a reciprocating engagement, a revolving wheel, and a pitman connecting said Wheel and printing device, for the purpose specified, substantially as set forth.

12. A printing apparatus comprising a rolling member, a reciprocating guide with which said rolling member has a reciprocating engagement, an eccentric bearing connected with said guide, mechanism for turning said bearing, a revoluble cam connected with said bearing, and a pitman connected with said rolling member to effect the reciprocation thereof, substantially as specified.

13. A printing apparatus comprising a driving-shaft having a pinion thereon, a spurwheel engaged by said pinion, a link eccentrically pivoted to said spur-wheel, a rolling printing device pivotally connected to said link, and a guide with which said printing device has a reciprocating engagement, su bstantially as specified.

14. A printing-press of the bed-and-platen type, comprisinga vertically-disposed stationary bed and a curved platen adapted to make rolling contact with said bed, means for causing said platen to roll upward over the bed, and means for separating the bed and platen after the completion of the upward rolling movement and for causing the upper portion of the platen to gradually move outward from the bed during the return movement.

15. A printing-press of the bed-and-platen type, comprising a vertically-disposed stationary bed, and a curved platen adapted for rolling contact with the bed, vertical guides located in front of and parallel with the bed, a reciprocatory fulcrum for the platen movable in said guides, and means for reciprocating the fulcrum to cause the platen to roll over the bed.

16. A printing-press of the bed-and-platen type, comprisinga vertically-disposed stationary bed and a platen having a curved face adapted for rolling contact with the bed, a movable guide with which said platen has a reciprocating engagement, mechanism. for reciprocating the platen, and means for controlling the movement of the guide to regulate the pressure of the platen on the bed.

17. A printing apparatus, comprising avertically-arranged stationary bed, a reciprocatory curved platen adapted to make rolling contact with the bed but normally located out of contact therewith, and mechanism for pressing the platen against the bed during its movement in one direction and for withdrawing it therefrom during movement in the opposite direction.

18. A printing-press, comprising a bed and a curved platen adapted to make rolling contact therewith, a movable guide with which said platen has a reciprocating engagement, mechanism for moving the guide, and mechanism for reciprocating the platen.

19. A printing-press. comprising a vertically-disposed stationary bed, a curved platen adapted to have a rolling contact with said bed, and a vertically-reciprocatory axis for said platen, said axis being movable in a downward direction 'to'a point sufficient to cause the upper part of the platen to approach a horizontal position whereby to permit a' ready feeding thereon of the sheets to be printed.

20. A printing-press, comprising a vertically-disposed stationary bed, a segmental platen adapted to have a rolling contact with said bed, a vertically-reciprocatory fulcrum for said platen and means for reciprocating the fulcrum, said fulcrum being movable in a downward direction to a point sufficient to cause the upper part of the platen to approach a horizontal position, whereby to permit a ready feeding thereon of the sheets to b printed.

21. A printing-press comprising a vertically-disposed stationary bed, a segmental platen adapted to have a rolling contact with said bed, a vertically-reciprocating fulcrum for the platen, and links for reciprocating the fulcrum, said fulcrum being movable in a downward direction to a point sufficient to cause the upper part of the platen to approach a horizontal position, whereby to permit a ready feeding thereon of the sheets to be printed.

22. A printing-press, comprising a vertically-disposed stationary bed, a segmental platen adapted to have a rolling contact with the bed, a reciprocating fulcrum for the platen, vertical guides in which said fulcrum moves, and means for reciprocating the fulcrum, said fulcrum being movable in a downward direction to a point sufiicient to cause the upper part of the platen to approach a horizontal position, whereby to permit a ready feeding thereon of thesheets to be printed.

23. A printing-press, comprising a vertically-disposed stationary bed, a segmental platen adapted to have a rolling contact with the bed and provided with radial arms, a vertically-reciprocatory fulcrum upon which the said arms are mounted, and means for reciprocating the fulcrum, said fulcrum being movable in a downward direction to a point sufficient to cause the upper part of the platen toapproach a horizontal position, .whereby to permit a ready feeding thereon of the sheets to be printed.

24:. A printing-press, comprising a vertically-disposed stationary bed, a segmental plat-en adapted for rolling contact with the bed and provided with radial arms, a reciprocating fulcrum with which said arms are connected, and means for reciprocating the fulcrum, said fulcrum being movablein a downward direction to a point suflicient to cause the upper part of the platen to approach a horizontal position,whereby to permit a ready feeding thereon of the sheets to be printed.

25. A printing-press, comprising a stationary bed, a segmental platen adapted for rolling contact with the bed and provided with radial arms, a reciprocating fulcrum with which said arms are connected, means for reciprocating the fulcrum, and links for controlling the rocking movement of the platen.

26. A printing-press comprising a vertically-disposed stationary bed, a segmental platen adapted for rolling contact with the i bed, a shifting fulcrum for the platen, and

means for controlling the rocking movement of the platen whereby to regulate the pressure thereof upon the bed.

27. A printing apparatus comprising a vertically-disposed stationary bed and a segmental platen adapted to have rolling contact with the bed, means for causing the platen to make rolling contact with the bed during its movement in one direction and for separating these elements during movement of the platen in the opposite direction, and means for feeding a strip of paper to be printed, between the bed and platen, said means operating in timed relation with the movements of the platen for feeding said strip of paper during the return movement of the platen.

28. A printing-press comprising a vertically-disposed stationary bed and a segmental platen having a curved face adapted for rolling contact with the bed, means for operating the platen to cause it to make rolling contact with the bed during movement in one direction and for separating these elements during movement of the platen in the opposite direction, and means for feeding the strip of paper to be printed between the bed and platen, said means operated by said platen-operating means for actuating the paper-feeding means in timed relation with the movements of the platen.

29. A printing-press comprising a vertically-disposed stationary bed and a segmental platen adapted to have rolling contact therewith, means for operating the platen to cause it to make rolling contact with the bed during movement in one direction and for sepa rating these elements during movement of the platen in the opposite direction, feed-rollers for drawing a strip of paper to be printed between the bed and platen during the return movement of the latter, and means actuated by the platen-operating means for operating the feed-rollers.

30. A printing-press comprising a vertically-disposed stationary bed and a platen having a curved face adapted to have rolling contact with the bed, means for operating the platen to cause it to make rolling contact with the bed during movement in one direction and for separating these elements during movement of the platen in the opposite direction, means for feeding a strip of paper to be printed between the bed and platen during return movement of the latter, means for severing the printed strip at regular intervals, and means actuated from said platen-operating means for operating both the paper-feeding means and severing means.

31. A printing-press, comprising a vertically-disposed stationary bed and a platen having a curved face adapted for rolling contact with the bed, means for operating the platen to cause it to make rolling contact with the bed during movement in one direction and separate these elements during movement of the platen in the opposite direction, feed-rollers for drawing the paper strip to be printed between said bed and platen during the return movement of the latter, a knife for severing the printed strip at regular intervals, and means actuated by the platen-operating means for operating said feed rollers and knife in timed relation with the movements of the platen.

32. A printing-press of the bed-and-platen type, comprising a vertically-disposed formbed and a curved platen adapted to make rolling contact with said bed, means for causing the platen to roll over the bed to make printing contact therewith, and means for separating the bed and platen after the printing movement and for retaining these parts separated during the return movement of the platen.

In testimony whereof I have hereunto set my hand, this 26th day of March, A. D. 1904:, in the presence of the subscribing witnesses.

WILLIAM MIoLARK.

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