US1105921A - Punching-machine. - Google Patents

Description

L. M. POTT". PUNGHING MACHINE. APPLIUATION FILED Amm, ma. nBNnwnn APB. 11. 1914.

Patented Aug. 4 1914.

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LOUIS MixwELLrorrs, or BALTIMORE, MaRYLA'Nn, Assmann, :BY MESNE ASSIGN- A MENTS, To AUSTIN MOLANAHAN, or BALTIMORE, MARYLAND.

PUNCHING-MACHINE.

Specication of Letters Patent.

Patented Aug. et, .1914.

Original application led June 17, 1909, Serial No. 502,785. Divided and this application led April 1, 1910, Serial No. 552,915. Renewed April 17, 1914. Serial No. 882,629.

To all whom it may concern:

Be it known that I, LOUIS MAxwiiLI. Io'ivrs, a citizen of the United States, residing at the city of Baltimore and State of Maryland, have invented certain new and useful Improvements in. Punching-.Machines, ofwhch the following 1s a specifica- `tion.

This invention relates more especially to 'that class of unching machines which are used for puncliing blanks or sheets for controlling automatic telegraph transmitters linotype, type setting, type -casting anc other machines whose operation v1s controlled or effected by means of a perforated 'or equivalent blank or sheet, the said invention having been originally embodied in an 'application for Letters Patent of the United States :tor improvements in telegraphy iled by me on the seventeenth day of June, 1909, Serial No. 502,785.

In order that my said invention in ay be clearly understood, I shall now describel in detail with reference to the accompanying drawings a specific embodyment thereof and later point out what I claim. t

In the accompanying drawings, Figure l, is a front view of a telegraph blank for automatic transmission as prepared by my said machine; Fig. 2, a diagram showing the system ot' code combinations employed 1n perforating a message blank; Fig.,3, a front view partly in section and partly in elevation of one form ofthe machine forming the subject of the present invention, many of the parts being omitted for the sake of clearness in the drawing. Fig.- 4, al side elevasf tion of said machine; Fig. 5, a sideelevation partly in vertical section of said machine; Figs. 6 to 19, inclusive, details of the punching mechanism of said machine; Fig.

20, a top plan view of the lower portion .of said machine showing those parts located in the bottom of the machine with the upper frame portion ofthe machine removed; Fig. 21, a top plan View partly in section on line,

2lx2lx, Fig. 5, showing the various operat' ing clutches, the combination b ars and related parts; Fig. 22, a back view of said clutches and connected parts, showing alsov the backing screw, ,a port-ion of the printer carriage and other related parts; Fig. 23, a

detail sideeleva-tion partly in section, of the;

a orion.

spacingclutch; Fig. 24, a similar view of the lining clutch; Fig. 25, an end view of the normally stationary member of the lining clutch; Fig. 26, a similar view of the backing clutch; Fig. 27, a detail perspective view of the clutch pin ot' the spacing and other clutches; Fig. 28, a perspective view of some of the mechanism which operates with the said clutches to effect the operations of spacing, lining, backing and blanking Fig. 29, a detail cross section through some orf the sliding bars shown in Fig. 2S, showing the relative positions ofthe loops carried by said hars and the arms with which Ithey cooperate; Fig. 30, a fragmentary detail view partly in elevation and partly in section ot the spacing clutch and its operating magnet, showing the connection between the two, and showing also the connection between the spacing clutch and the spacing screw shaft; Fig. 31, a fragmentary detail View partly in section and partly in elevation of the actuating bar mechanism showing the connection between this mechanism and the rocking shaft of the stripper plateV combination hars together with a sliding bar and latch mechanism and related parts which coperate with said combination bars; Fig. 35, an enlarged detail fragmentary elevation to illustrate the manner of supporting said combination bars; Fig. 3G, a section on line BGL-30X, Fig. 35; Fig. 37, an enlarged detail perspective view showing the supporting frame and rods for the key levers; Fig. 38, a diagrammatic view showing the arrangement of slots in thc combination bars; Fig. 39, a semi-diagrainmatic view showino the arrangement of lugs on the actuating liars; Fig. 40, a diagram showing an arrangement ofthe circuit ot' the spacing magnet, and controlling contact device therefor; Figs. 41 to 44, inclusive, detail views of said contact controlling device, shownig various steps 1n its operation, Fig. 45, a bottom plan view of the paper 'carriage removed from thema-- tails of the spacing and backing screws and some of their coperating parts; Fig. 55, a detail side elevation showing the relation between the lifting bary lever `mechanism and the cam which operates the'same; Fig. 56, a detail View showing partly in section and partly in elevation the arrangement of gears for transmitting motion to the linin shaft,'and the mechanism on the end.. of said shaft for rotating the same independently of the power mechanism; Fig.` 57, a

section on line GTX- 57", Fig. 56 looking to the left; Fig. 58, a section on line 58x-58X, Fig. 56; Fig. 59, a section on line .GSV-59",

Fig. 56; Fig. 60, a detail semi-diagrammatic View to show the arrangement of the successive telegraph blanks on a continuous roll of paper; Fig. 6l, a fragmentary detail top plan view to illustrate principally the arrangement of the. cams for operating the blanking mechanism; Fig. 62, a detail view partly in side elevation and partly in section to. further illustrate the mechanism whereby the said cams operate the blanking mechanism; Fig. 63, a detail lview partly in section yand partly in elevation to show the connection between the lining clutch and 'the shafts which carry said cam mechanism,

\ I shall first describe a form of perforated blank prepared by my said machine, and will then take up the description of the Inachine itself in detail, Such perforated blank is shown in Fig. 1, and in this particular case is a telegraph blank comprising a sheet of paper or other suitable material bearing.

,. among other things, a message impressed thereon `both in printed characters and code perforations, the said printed matter and code perforations beingarranged in lineto-line form so that the intelligence reads from the end of one line to the commence ment of the nextline as on the ordinary printed page, each printed character occupy-l ing a position next above the code perforaltions corresponding thereto.

In addition to the code perforations which correspond to the printed characters-and I use the term characters to include letters, numerals, punctuation marks, signs and the like--there are certain other perforations,

hereinafter more particularly described,

which act solelyto control mechanical operations, such for example, as causing a machine tol spa ce, to feed a blank up to a new line, to shift a carriage back to the commencement of its travel, and to feed a new blank into the operating position. rl.`he funct-ion of these last mentioned perforations,

however, will be more clearly understood.

from the detail description of the machine itself.

The rows of circles along the two side edges of the telegraph blank, represent perforationsy employed in feeding the sheet in the machines, as will hereinafter more fully appear. The code perforations of these controlling blanks are arranged in prearra'nged combinations so that each combination shall represent a different character or certai-i operations as above pointed out. The present machine therefore must be so arranged as to select the combination of punchesgcorresponding to such perforations to be elf-- fected.

The system of combinations upon which is based the Iarrangement of the code perforations on the message blank shown is clearly illustrated inthe diagram Fig. 2. Referring to this` diagram, let the line of char-` acters and other signals extending horizontally across the top of the diagram represent the various transmittable characters and other signals. For all of these characters and the other signals indicated, there are eight code positions, -indicated on .the left in the diagram (Fig. 2) by the vertical zigzag row of eight round dots. These positions passing from 'the top to the bottom of the vertical row referred to, shall be called the a, I), c, d, e, f, g and t positions, respectively. Each of such code positions is determined by the vertical distance from each end of the row and by the horizontal position on either side of an imaginary line indicated by the dotted line :1a-y, passing vertically through said zigzag row. Each code character or signal is formed by one or more perforations occupying a' different one or combination of vsuch positions. For example, for the letter A the perforations occupy the a and d positions; for the letter 13, the?) and f positions; for 0, the Z) and g positions, and so on 'through the alpha bet. The numerals, back, line, blank and four other miscellaneous signals are, in the case shown, formed each by the combination of three positions. For example, the code numeral 1 is formed by perforations in the b, e and it positions; the back signal, which will be more readily understood later, is formed by perforations in a, b and g positions, and the dollar mark by the d, e and f positions. The punctuation marks' and space signal occupy but one code position each. Such a system of combinations possesses a decided advantage over a system ico where each signal, is represented by one position only, or two positions only, or three positions only, in that'the signals to be transmitted are not so long; and the perforations when arranged in the code positions may be compressed into a smaller' vertical space, the latter being an important consideration when the code perforations ,come between lines of printed characters. a systemfhas an advantage also over a system which uses all -combinations in a promiscuous way, as the employing of the same number of positions or combinations for the numerals as for the characters, in that it provides against errors and also for readily detecting them, all as fully pointed out in said application.

Passing next to the description of the machine itself (Figs. 3 to 63 inclusive) the printing in this machine is efi'ected by sending type 1, carried by pivoted bars 2 into engagement with a suitable inked ribbon 3, which passes in front of the paper 4, upon which the printing is done. This paper in turn passes in front` of a suitable platen 5,

' which may consist of a piece of rawhide or othersuitable material clamped rigidly to the cro-ss frame 6 of the machine by a anged plate 7, held rigidly'against said frame by means of screws 8.

No particular form of ribbon or ribbonfeeding mechanism is claimed as a part of this invention, and as suchv mechanisms are well known it is unnecessary here to go into a` detailed description of this feature.

The punching iseffected by` causing lugs 9 on the type heads 10 of the striker bars to drive punching pins-through thepaper. These lugs are arranged on said striker heads in such manner as to operate their corresponding punches, that is, the lug or lugs on each striker bar head are in code formation correspondingr to the perforations to be produced. For example, thestriker bar head for the letter A would have two lu disposed so as to strike the anvils which operate the punching pins in the a. and (l positions. and so on with the other combinations. This punching mechanism is shown in detail in Figs. G to 19, inclusive.

The punching pins comprise each a preferably cylindrical shank portion 11, the shearing end ,of which is serrated, as at 12, to more readily cut the paper. The shanks of these pins pass through and are longitudinally slidable in holes 13 in a stripper plate 14, and in corresponding holes 15, in the upper end of a plate 16, screwed or otherwise made fast to the front plate 17 of the machine.l These pins in the present machine are eight in number, staggered as shown so as to occupy a small space vertically. The positions occupied by these pins correspond to the code position of the eight round dots forming the zig-zag row Such atthe left hand end of Fig. 2.` Flach of these pins is provided with an elongated head 18. The heads ot' these punching pins are prevented from turning by a simili piu located as indicated at 18, Fig. 7. Resting respectively upon these heads, are a series of eight anvils 19, pivoted upon stud-2() screwed into a plate 21 secured to plate 1G by screws 22 passing through slots 23 in plate 21. These anvils 'are so arranged that their headsvresting upon the heads of the punching pins, are adapted to he struck by the combination lugs 9, on the striker bar heads, and thnsiact to force the punchingT pins through the paper. Immediately after the said pins have heen forced through the paper, they are drawn hack therefrom by ymeans of the stripper plate llt, which at that time moves away from the paper, and, engaging the heads of these pins which have been operated, carries them out of engagement with the paper. This stripper plate is slidably mounted on two forwardly extending pins 24. carried by the plate 1G, the said stripper plate being for this purpose provided with guide sleeves 25, which slide on said pins. A shearing plate Q6 is located just in the rear of the row of holes through which the punchingr pins pass in the plate 1G, and is provided with a similar arrangement of holes 27, adapted to register with the shearing ends of the punching pins. This shearing plate is made fast to the frame (i of the machine in any suitable way, the frame of the machine being cut away, as at 28 to allow the punchiugs to fall into a pan or other suitable receptacle hereinafter more particularly referred to. The necessary motion is imparted to the stripper' plate through trunnions Q9 at its ends, which engage in vertical slots 30 in the upper ends otl lever arms 31, made fast to a rock shaft 32, journaled near one end in brackets 33 made fast to the 'front plate 17 and at its other end in the frame of the machine (see Fig. 3). This shaft 32 is actuated through a lever 34, connected to certain power mechanism, which will be hereinafter more particularl)r described, through a pin 34 working in a forked end 34 of arm 54-, there being considerable lost motion between said fork and pin, thereby imparting hut slight movement. to arm 31 as compared with the movement of pin 34, (See Fig. 31).

In this punching mechanism no springs are required to return the punches to their normal positions, and, therefore, when these punches are driven forward into the paper there is no resistance to be overcome,other

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