US582178A - Machine for producing printing-surfaces - Google Patents

Description

(No Model.) l Y e sheensheet 1.

" W. E. CRANE.'

MACHINE POR PRQDUCING PRINTING SURFAGES.

WWA/58858.' v l A /fvvE/vo/ X805 awm- Walzer E 69%226. 8 058204.30@ n BY ATTORNEY.

(No Model.) 6 Sheets-Sheet 2.

, y W. E. CRANE. MACHINE POR BRODUGING PRINTING SURI'AGES.

g g dw- Waer E fane. OMM/ A ATTORNEY.

(No Modem l s sheets-sheets.

W. E. CRANE.`

' MACHINE I'oN PNONUCING PRINTING SUNIAGBS. No. 582,178. E Patented May 1l,1897.

f IW I (No Model.) 6 Sheets-Sheet 4.

W. E. CRANE. MACHINE PoR PNODUGING PRINTING SUNFAGBS.

No. 582,178. Patented May 11, 1897.

(No Model.) s sheets-sheet 5.

' W. E. CRANE.

MACHINE FOR PRODUGING PRINTING SURI'AGES.

Patented May 11, 1897.

w/T/vEssfs.'

A TTORNEX (No Model.) 6 Sheets-Sheet 6.

l W. E.' GRNE.' y MACHINE FOR PRODUGING PRINTING SURFACBS.

No. 582,178. l Patented May 11, 1897.

UNITED STATES PATENT EEICE.

WALTER E. CRANE, or HARTFORD, CONNECTICUT.

MAoHiNE Foe PRoDUClNG PRlNTINc-SURFACEa ASIVPE(lIIEICAIN forming part of Letters Patent N o. 582,178, dated May 1 1, 1897.

` Appneanon nea My 21,1894. serial No. 511,910. (No man.)

T0 @ZZ whom t may concern:

. Be it known that LVWALTER E. CRANE, a citizen of the United States, residing at Hartford, in the county of Hartford andV State of Connecticut, have invented certain new and 'useful Improvements in Machines for Proprior application for United States Letters rss Patent, Serial No. 509,985, filed May 3,1894. The principal object of my present invention isto provide improved means for successively forming characters in relief upon a printing-strip or other suitable sheet of material, one character at a time, this result being attained by means of coacting complemen tary d'res mounted for independent radial movements upon their carriers and oppositely rotative in synchronism, and having means for radially closing the dies upon the strip from opposite sides thereof when the dies are alined in working position.

Another object of the invention is to so construct and organize the working parts of the machine which control the operation of the dies that in case two key-levers or-dieactuators-(which are indirectly connected with and which select and determine the movements of the dies to be brought into use) should be depressed or operated almost sim ultaneously, or one very slightly in advance of the other, the last one so depressed will have no eiject .unless the operation of the firstselected die shall have'been completed..

Another object of the invention is to provide an improved shiftable carriage for supporting the material to be' operated upon, whereby a continuous sheet of material of indefinite length may be fed between complementary dies in position for being operated upon, and whereby dots or cavities may be formed in one or both side edges of the strip to enable the same to be fed through the carriage of the machine, and to so form said dots or cavities that they may be subsequently utilized as guides or gages to facilitate print- Aing from said strip when the same shall be used in connection with a suitable printingmachine for printing purposes; also, to furnish in connection .with the carriage of'the machine improvedline-spacing mechanism, whereby the extent of said spacing maybe varied as may be required. v

In the drawings accompanying and forming a part of this specification, Figure l is a plan View of a machine embodying my present im; provements, said machine being provided withA two sets ofdies arranged for simultaneous rotary movement about fixed axes and having means for carryiu g the material to be operated upon between the two sets of dies. Fig. 2 is a side elevation of the machine as seen from the left hand in Fig. 1. Fig. 3 is a side elevation of the machine as seen from the right hand in Fig. l. Fig. 4 is arear elevation of the machine as seen from the left hand in Fig. 2. Fig. 5 is a sectional front elevation of the machine, taken in line d a, Fig.

2, some of the parts at the left hand of said line being removed for more clearly showing the arrangement of certain operative details, a continuous strip of material being shown in position between the two sets of dies. Fig. G is a longitudinal vertical section of the dieoarrying head and a portion of the framework of the machine, showing the'arrangement of the die-carriers and parts of their operating mechanism; Fig? is a vertical section, taken in line b b, Fig. 8, of a portion of the driving mechanism which actuates 'the die-carriers and die-operatingslides. Fig. 8 is a sectional rear elevation of the same, taken on the line c e, Fig. 7, looking toward the right hand in said figure. Fig. 9 is a sectional front view of a portion of the carriage, showing the feedwheels for feeding the material between the dies and for forming the guiding-dots or depressions therein, said figure also showing the lever for throwing one of the feed-wheels out of engagement with the other one. ,Fig 10 is a sectional front 'elevation of a portion of the frame of the carriage, showing the feedwheel-actuating mechanism. under side view, on an enlarged scale, of a portion of the upper die-carrier. Fig. l2 isa front view of a portion of the two die-carriers,

Fig. 11 is an' showing two complementary dies pressed into A.

engagement withthe ductile or flexible strip, said ligure showing a portion of the two die operating slides. Fig. 13 isa plan View of a portion of the lower die-carrier, which is a complement of the die-carrier shown in Fig. 11.

Similar characters designate like parts inall of the figures. 1

My improved'lmachine for?. prod ucingA printing-snrfaces, in'the preferred form thereoflierein shown and described,'coinprises two complementary coactin g sets of dies of cameo and intaglio type, respectively mounted for and to retain the same in said position until an impression has been' made, and means in position and adapted for engaging and clos ing said two coacting complementary dies relatively to their carriers when in working position) to form a character upon or in themav terial held between said dies, all'ofwhich Will be hereinafter more fully described.

The framework of my improved machine may be of any suitable construction for carrying the several operative details, it being herein shown as consisting of the two sidel plates or uprights A and A',the main frame or head'of the machine, (designated in a gen-- eral way by B,) which is secured between said uprights, the front plate C, connected at its i upper end to the head B, near the central p0rtion of said head, by rods 2 and 3, which rods constitute guides for the shiftable carriage,

as will be hereinafter described, and con-f nected near its lower end io said head by side plates C' 'and C", vand a stop-'carrying frame (designated in ageneral way by D) seo .cured between the side plates A and A' -inthe i rear of the head B, as will be hereinafter described.

In the form thereof herein shown the main frame or head B is transversely recessed at its forward end midway of its hei ght, as shown at 4, forming practically two "forwardly-pro-v jecting parallel arms B' and B", sufficiently remote from each other to permit l.the passage between them of the strip of material (designated by P) to be operated upon. The forward ends of these 'two arms are preferably vvertically inclined toward a common center between the adjacent edges thereof, as

shown at 5 in Figs. 2, 3, and 6,the purpose 'of which will be hereinafter described. Formed longitudinally through the head B are two horizontally-parallel,journal-bearings 6 and; 6', respectively, located one above and the? other below the space 4, as most clearly shown in Fig. 6 of the drawings. In these bearings are journaled two die-carrying shafts E and E', respectively, which shafts have secured to their forward ends (one to each shaft) two complementary revoluble die-carriers F and F', respectively, which carriers have formed thereon or secured thereto the impression- -dies G and G', respectively adapted for impressing-characters in the strip" of in'aterial' to form printing-surfaces. The two arms B' and B"of the headB will be transversely and lvertically recessed at their forward adjacent edges to receive the die-carriers F and F. These die-carriers in the preferred form thereof herein shown are, and usually will be, in the nature of wheels or drums, the rims of which. will preferably be constructed of resilient metal slit transversely, as shown at f,

most clearly in Figs. 11, 12, and 13, to form a series of yielding diezcarrying arms 7.l

Formed upon or secured to the ends ofthe resilient armsof both carriers or drumsF and F' are dies 'G and G', the ones G Vupon the carrier F being of cameo'construction and lthe ones G upon the carrier F' being of intaglio construction, each die'of one carrier being complementary to or coinciding with a die arranged in a coinciding position upon the adjacent carrier.

In the drawings, Figs.` 6, l11, 412, and'13, I have shown the dies as formed integral with the die-carriers, the resilient arms of said carriers F and F' being enlarged at their free ends 'and having charactersformed upon and in their adjacent faces, respectively. vIt will be understood, however, that I do not desire .to `limit myself to Vthe particular construction of-dies and die-carriers shown in said ligures. These die-carriers are secured to their respective shafts 'so' that two coinciding dies, one o'f eachseri'es, will normally be in direct alinement and in close proximity to each other, suiicient space being left between the dies to permit the free passage of the material to be operated upon. Secured to the rear ends of the two die-carrier 'shafts -E and E', are gear-wheels 8 -and 8', respectively, which gear-wheels-'are lin intermeshing engagement and are adapted for intermittently rotating the two shafts,the carriers, and the dies simultaneously in synchronism and' at equal speed, so as to insure'theconstant coincidence in position of complementary dies upon the two die-carriers, so as to 'bring any two selected complementary dies into workin g position directly in vertical alinement between the axesl ofthe -two shafts,it being understood that 'the successive dies of each setare radially disposed with relation to the axis of its respective carrier.. Y

As a means for preventing the resilientdiecarrying arms of the carriers (which in practice will betempered in the form shown in Fig. 6) from being bent. inward out of alinement owing to frequent vibrations during operation, I haye provided in connection rio [O to permit the entrance and operation of the' with each carrier a disk 14, which will preferably be secured to the shaft of said carrier and which has a peripheral bearing against the inner faces of the die-'carrying arms, thus retaining said arms normally in peripheral a'linement and preventing them from being sprung inward beyond their proper normal positions.

Asv shown in Fig. 6, the die-carriers are cupshaped, they being open at their forward ends two die-operating members of slides H and H', respectively, which slides are fitted for sliding movement in slideways 9, formed in the rear'faces of the two caps lO and 10', secured to the front ends of the arms B'and B" of the 'head B, plates 11 and ll'being secured to the caps 10 and l'O'fat vthe rear of the slides H and H' near the inner ends thereof, as

shown, t prevent lateral movement of said slides during operation. These. slides Will preferably be curved at their adjacent ends, as shown at 12, to correspond with the curvature of the interior ofthe die-carriers, and each slide has afcentral die-engaging finger or projection 13 yof slightly less Width than the width of vthe die itis tb operate, which finger terminates adjacentto the inner face of the diel located in impression position, which die is the one to be operated.

.As a means for actuating the die-operating slides H and H', which extend inward with their operating-faces terminating adjacent to the inner faces of two adjacent dies, as shown in Fig. '6, said slides are carried at their outer ends'upon cranks 15 and 15',

formedupon the forward ends of rock-shafts l and I', respectively journaled in the head Bi, one above and the other below the twodie-carrier shafts,.as 'shown partially in full and partially in dotted lines in said Fig. 6.

/Secured'to the rear ends ofthe rock-shafts I and l are rocker-arms J and J', respectively,

whichA rocker-arms. are connected at their outer ends by connecting links or rodsK and 'K' to oppositely-disposed eccentrics or cranks 16 and 16' upon a driving-shaft L', journaled in a bearing 17, formed upon an upright 18, secured to the frame of the machine, as most clearly shown in Figs. 3, 5, andv 7 of the drawings.

The driving mechanism for rotating the die-carriers F and F' and for reciprocating the die-operating slides H and H comprises, in part, a revoluble driver or wheel L, loosely mounted for continuous rotation upon the tubular journal-'bearing 17, said driver being operatively connected with one of the die-carrier shafts, as E, by a frictional or yielding driving device, as `will be hereinafter more fully described.

As a means for stopping the rotation of the die-carriers at various predetermined points in their travel to insure the positioning of the requisite pair of dies for use I have provided, in connection with one of the die-carriers, a stop mechanism, which, in the preferredfform thereof herein shown ,consists of avmultiplicity of pin-stops 20, which coincide in number to thenumber of pairs of dies employed. These pin-stops are herein shown vsupportedfor longitudinal movement in the front and back plates 2l and 22 of the stopcarrying frame D and as having their an gu-f lar positions relative to a commony center cov incident Withthe angular vpositions -of the These pin-stops ,a portion thereof upon a'rod 26 and a portion thereof upon arod 26', secured at their ends in the side plates A and A of the machine. Each key-lever is provided at its forward end with a suitable key 25, havingga'character thereon to correspond with the character of the pair of dies Whose movements said key controls, after. the manner 'of key-levers of ordinary type-Writers. 1t will be understood that the key-lever described constitutes one of a series of key-levers, which correspond in number to the number of pin-stops employed, all of which key-levers' are approximately duplicates of'one another.7 Each key-lever is ynormally lheld up to its Working position by means of a suit-able spring 27, bearing against the forward end thereof,.and is adapted to independently actuate oneof the pin-stops just described, which pin-stop determines the positioning of one pair of dies. These pinstops are located around the shaft E and are adapted to be shifted independently, with their forward ends intersecting the path of travel of a radial stop-arm 28, secured to the shaft -E and adapted to rotate therewith, nas most clearly shown in Fig. 4of thevdrawings.

.In the embodiment of my invention herein loo IIO'

shown the driving mechanism consists of the driver L, mounted upon the cylindrical bearing 17 and adapted to be continuously rotated by a belt (not shown) driven from any suitable\ source of power, a friction-wheel 30, fixed to the die-actuating shaft or crank-shaft L', a cam 31, loosely mounted upon the outer,

end of the shaft L', driving-levers M and M', pivotally carried bythe driver and held in yielding contact with the cam 31, and a fric- SD, as most clearly illustrated in Figs. 7 and 8 of the drawings. The driver L is in the nature of a wheel recessed at one side thereof, as shown at 17', to receive the frictionwheel and drivinglevers, aswill be understood by reference to said Figs. 7 and 8.

Loosely mounted upon the outer end of the die-closing shaft L' and preferably formed integral with the cam 3 1 is a grooved lpulley 34,- which is connected bymeans of a belt (shown in dotted lines in Figs. 2, 3, and 4ot` the drawings) to a similar pulley 35, connected with tion-band 33, adapted for engaging the wheel Y Jthe die-earner shaft E, whieh shea receives its motion through said belt and pulleys and the driving mechanism hereinbefore mentioned.

In' the organization herein shown the cam 31, through the medium-of which the 'carriershaft E is rotated and which controls the I movement of the Adie-closing shaft L', and

consequently -the reciprocatory movement of the die-actuating slides, is in the nature of a wheel carried on the shaft L' and having an offset or cam-'groove 31 formed inione face thereof, against which a friction-roller 32,

ipivoted to the working end of the lever M,

normally bears, said lever being held with the friction-roller in constant engagement with the cam bymeans of a spring 36, secured to the driver L and bearing at its free end against a laterally-projecting arm 32' upon the opposite end of the lever M. The lever' M', which is oppositely disposed with relation to th'e lever M,is provided at its inner end with a brake-shoe 37, which bears against the face of the cam 31 opposite the point against which the friction-roller 32 of the lever M bears, said lever M' being also held in contact with thecam 31 by a spring 36', which bears at i'ts freeend against a` laterally-projecting armf:7';npon lthe lever M'. This lever M', which is in constant frictional engagement with the cam 31, has a4 tendency to continue the rotation ofthe cam, and thereby will pre- Avent any backward movement or rebound of the cam after it has been stopped by the in-y terception of movement of the diecarrier.

This 'construction and arrangement of cam 1 and driving-'levers constitutes a frictional 'stops 2O is thrown into the path of movement of the stop-arm 28 by means of one of 'the keylevers to position a pair of dies for use, as will be hereinafter described; Said stopping of the pulley 35 also stops the pulley 34and the ca1'-31,connebted therewith, which, ow-

ing tothe continued rotation of the driver L, causes the friction-roller 32 of the lever. M to ride out of the cam-groove 31', at which time the friction al"drivingbelt 33,which surrounds .the friction-wheel and is connected t one end, as at 38, to the leve'r'M and at'its pposite end to-a blockI 39, connected, as hereiny afterdescribed, to said driver, is" brought in close impingement by the movement of said 'lever M withy the friction-wheel 3Q, which,

being ixed'to the power-shaft L', rotates said driving-shaft andv operates, through the connections hereinbefore described, the die-operating slides `H and H'. The shaft L is carried the distance of one revolution at each operation of a key-lever, which brings the cam-groove of the'ca'm again contiguous to .the Vfriction-roller of the lever M, when` saidA lever immediately drops into the said groove,

releasing the friction-band from the wheel 30 and permitting the cam to again rotate,with the driver. This operation takes place. at each depression of a key-lever, as will be hereinafter more fully explained.

By the foregoing it will be seen that the lever M has two functions-that of assisting to rotate the cam that actuatesthe die-carrier and for intermittently actuating the die-closing mechanism-while the lever M' constantly tends to rotate said cam, which keeps the same, when stopped, up to its last position, to prevent backward movement thereof.

The pulley is fixed to a sliding member 40 of a clutch, herein shown as a pin-clutch,

`whichnnember 40 is loosely vmounted upon the die-carrier shaft/E and is adapted for engagement with a similar clutch member 41,

lfizred to the said shaft.

As a means for throwing the two clutch members into engagement one with the other, so as to periodically rotate the die-carriers F and F', a shifter-lever 42 is provided, which is herein shown as hinged at its lower end at 43 to the frame of the machine and is provided with a friction-roller 44, which enters a groove 45 in a sleeve fixed to the outer end of the clutch member 40. This shifter-lever, in theiform herein shown, is provided at its upper end with a bifurcated extension46,

which is pivotally connected therewith, as

shown at 47, and operatively engages a cam 48, secured to lthe driving-shaft L, the function of which cam will be hereinafter set forth. y,

As am'eans for throwing .the shifter-lever `or swinging'arm 42 inward at each operation of a key-lever to throw the clutch members into engagement and rotate the die-carriers IOO les

an actuator 49 is provided, which in thi'sjinl- Y stance is in the form of a rod supported ,for longitudinal movement in the frame vand having at itsouter end a' hook 50 to engage the lower end or catch 51 of the extension 4 6 'of the shifter-lever.- This rod is connected at its forward end with an operating-lever152, straddling the shaft of the feed ratchetwheel for the carriage, hereinafter referred,to,which in turn is secured at its lower end to a shaft 5 3, extending transversely through they frame of the machine, and which is actuated byv levers 54 and 55, secured to the ends of'said rod and connected by straps or rods 56 and Y VI Io 57 to 'a universal bar 58, extending transversely below the key-levers of the machine in position to lbe operated by any one of .said

vkey-levers, as will be readily understood by a comparison 4of Figs. 1, 2, and 3 of they drawings. The shifter-lever actuator 49 is nor-v mally positioned with its hook in engagementwith the transversely-shiftable a'rm or extension 46 of the shifte1-.lever, as illustrated in Figs. 3 and 4 of the drawings, the clutch members 40 and 41 being disengaged, but in position to be immediately shifted into engagement upon `the depression'fof a key-lever.

The operation of the machine is as follows: Assuming the driver L and the clutch member 40 as being rotated in unison, the `first results accomplished by the depression of a key-lever are to simultaneously throw a pin-- stop into the path of travel of the stop-arm 28, secured to the clutch member 41, which Y is fixed to' the die-carrier shaft E, and to throw the clutch member 40 into engagement with the clutch member 41, which startsthe rotation of the die-carriers. This rotation is continued until the stop-arm 28 comes in contact with the stop-pin selected and projected into the pathof travel thereof, which immediately arrests the rotation of the shaft E, stopping at the same time the pulley 35, the pulley 34, and the cam 3l, carried upon the power-shaft L'. This stopping of the parts just described leaves the pair of dies selected in position for forming an impression in the material supported between said dies. The driver L, continuing its rotation, carries the end of the lever M out of the cam-groove in the cam 31, which tightens the'frictiou-band around the friction-wheel 30 and causes said friction- Wheel, together with the driving-shaft L', to which it is xed, to'rotate, as before described, which operates the links K and K', which, through the medium of the rocker-arms J and J', rocks the shafts I and I', to whichthe dieoperating slides H and H' are connected, thus causing these slides to move toward each other and operate the dies that have been positioned for use.

The actuating-cam 48 for the clutch-shifting lever is provided with two cam-faces and 61, the one 60 of which is peripherally disposed and first acts lto throw the arm or extension 46 transversely of the shifter-lever with its lower end out of engagement with the hook of the actuator 49, after which the cam-face 61, which is in the nature of a transversely-deflected flange, acts to throw the shifting-lever backward, which carries the Clutch member 40 out of engagement with the member l41, leaving the parts-in position to be rotated when the friction-band 33 is released from the friction-wheel 30, which occurs when Vthe shaft L' has completed a revolutiou, as before. stated. The extension or arm 46 of the shifter-lever is normally held in the position shown in Fig. 4 by a spring 46', secured to saidshifter-lever and bearingat its free end against the lower end of the arm 46,- the movement of said arm 46 being limted by a' stop 46",'as shown in said figure.

The cam-faced iange 61 `is adapted to enter between the forks of the arm 46, which prevents the accidental outward movement of the shifter-lever until the proper time for disengaging the clutch members 40 and 41 has arri ved.

From the foregoing it will be seen that upon the depression of any key-lever the two'complementary dies which are governed bythe pin -stop connected with the key-lever depressed will be immediately carried into po- 'ict between the two when the stopfis projected forward, which might occur if the stopsition for use, stopped, and then immediately pressed together by the operation of the slides all parts, excluding the die-carriers, return to their normal position ready for operation when another key-lever is depressed, the dies being left in the position last attained until the die-carriers are again rotated.

'H and H', after which they are released, and 2,7/0

Y 75 After the starting of the shaft L, which actuates the die-operating slides, (the complementaryrdies being at this time in position for use,) the shifting-lever-aetuating cam acts to disengage the shifting-lever from the hook 8o of the actuator 49, this being accomplished by the peripheral cam-face b'O, which tips the extension 46 of the shifter-lever laterally, after which the cam-faced flange 6l acts to throw said shifting-lever outward, carrying the clutch member 40 out of engagement with the clutch member 41. The shifter-lever remains in such position after -disengagement from the actuator 49 that it cannot be reoperatedv by the actuator until the crank-shaft or power-shaft L' has completed a revolution. Th us it will be seen that from the time of disengagement of the shifter-lever from the hook of the actuator it cannot be again operated to effect the engagement of the clutch members until the first operation has been entirely completed and the shifterlever assumes its normal position ready for engagement with the hook of the actuator and the said actuator-hook has attained its normal i operative position due to the release of a keylever, after which said shifter-lever may be again operated to rengage the clutch members.

The construction and organization just de- 'fof scribed is of material importance, as it insures the com pletionof -the'impression move-- ment of the parts and the return movement of said parts independent of the release of the key-lever, also prevents the inauguration of these movements by the operation of another key until the completion of the move- -ments rst mentioned and the parts have returned to their normal inoperative position,

and also insures the retention of the type- Ym5 'carriers with their selected dies in proper operative position until an impression has been made. Y, f The forward ends of the pin-stops will preferably be beveled or tapered, and the stoparm 28, which will preferably be in the'nature of a spring-arm, willY be likewise beveled at the face adjacent to said stop-arm, so as to prevent any possibility-of injurious conarm should at this time happen to be in aliilement with the pin projected.

The `carriage for supporting and v'feeding' thereof .herein shown consists of the front and rear'plates 65 and 66, respectively, 'which are remotely disposed and are connected to- Athe strip to be operated upon in the-form '13 gether by suitable con meeting-rods, as 67 and .Y

67', said carriage being shiftably supported upon the guide-rods 2 and 3, which extend through openings formed in the front and rear plates, as'ln'ost clearly shown in Figs. 9 and l0 of the drawings. Secured to or formed upon the rear plate 66 of the carriage is a horizontally-disposed feed-rack 68, the teeth of which are in mesh with the teeth of a pinion 69, secured tothe end of a shaft 70, journaled transversely in the head B. This shaft ,is provided at its-opposite end with a ratchetfeed the carriage forward, as will be understood by reference to Figs. 2 and 3 of the drawings.

The ratchet-wheel 7l is shown in Fig. 3 as carried on the end of the shaft 70, and in order to permit the lever 52 to operate properly while maintaining a compact organization of the parts the lever 5 2is shown in this gure as having an elliptical opening transversely of said lever, as illustrated in dotted lines, so that as the lever oscillates back and forth it may work in apath from one side to the other of Jthe shaft 70 without interfering with the same.

. It willbe seenthat the connecting-rod K has approximately an elliptical movement. The downward movement thereof carries the pawl into engagement with the ratchet-wheel, rotates the ratchet-wheel the proper distance- 'L'. e., the distance4 of one tooth-and carries the pawl out of engagement with said ratchetwheel, while the upward movement of said connecting-rod carries the pawl from its disengaged position upward at one side of 'the ratchet-wheel into position for rengagement with the ratchet-wheel upon the downward movement of the connecting-rod. Thusit will be seen that at each complete movement 'of the connecting-rod or complete revolutionl of the power-shaft L", which takes place at each depression of a key-lever, the carriage is fed forward the requisite distance for the next letter to be impressed in the material carried thereby.

The ratchet-wheelactuating pawl 72 is pivotally connected with the connecting-rodv K' and is normally held in an operative position by a spring 7 3, secured to said connecting-rod and bearing at one end against the tooth-engaging end of-'tlie paowl, a stop 74 (see Fig. 3) being provided to limita the in" ward movement of said pawl. This resilient connection also prevents any liability of breakage in case the pawl should accidentally be brought in contact, when moved inward, with the side face of a tooth of the ratchetwheel. The ratchet-wheel is held against accidental movement and in position to be engaged by the pawl by means of a suitable spring 75, secured to the side plate A' of the machine and bearing at its free end between two teeth of the ratchet-wheel, said spring constituting a detent-catch therefor.

As a means for actuating the ratchet-wheel independent of the movement of the shaft-L and connecting-rod K', as is desirable to feed the carriage for spacing between words, I have provided a ratchet-actuating lever 76, connected at its lower end to a lever 77 of a spacing-bar 78, which lever 77 is fulcrumed upon a shaft 79, journaled in the framework of the machine, the ratchet-wheel-actuating lever 7 6 being in position for engaging a tooth of and for rotating said ratchet-wheel at each depression of the spacing-bar 78, as will be clearly understood by reference to Fig. 3 of l the drawings, the spacing-bar being retracted in any usual manner, as by sprin gs, after each operation.

The pawl76 is shown herein as having its rearward movement limited by a stop 76",

which is recessed at its forward side to form a guide for the pawl, and said pawl is also illustrated as pivoted to the' lever 77 and held up against the stop 76" by means of a spring 7 6', so that the pawl will have a slight oscillatory movement,

In connection with the shiftable carriage I have provided an improved line-spacing mechanism formoving the material forward the requisitedistance for spacing between f lines and have also provided means whereby the spacing may be varied as required. This line spacing mechanism, in the preferredv form thereof herein shown,:consists of alpair of feed members connected for rotation in opposite directions and illustrated as two intermeshin g feed-wheels 80 and 8l and' apawland-ratchet feed-wheel-actuatin g device (designated in a general way by S) in connection with and adapted for rotating said feedwheels.

In the construction and organization herein shown one of the feed-wheels, as 80, has'a se-` ries of peripheral projections 80 and is secured to the rear end of a tubular shaft 82,

which has a bearing at its ends in the frontV andrear plates of the carriage and surrounds the guide-rod 3, while i. the other feed-wheel 81 has a series of peripheral indentations 8l to coincide with the projections upon the feedwheel 8O and is revolubly supported upon a crank-pin 83 of a stud 83', journaled in the back plate of the carriage. Secured to the rear end of the stud 83 is a lever 84, by means of which the vfeed-wheel 81 may be thrown out of engagement with the feed-wheel 80, as

lisrequired when inserting or removing a strip As a means for of material in saidcarriage. holding the feed-wheels in close intermeshing engagement a pawl S5 is provided, which is pivotally carried upon the lever 84 and is adapted for engaging the ratchet-teeth 86, formed in the side edge of an upwardly-projecting curved arm 87 of the back plate 66 of the carriage. from engagement with these ratchet-teeth and theV lever 8i is drawn to the left, as 'seen in IIO When the pawl 85 is'rele'ased feed-wheel 8l with it in a substantially ver-v tical direction and th us withdraw said feedwheel in practically a straight line from engagement with the com plementary feed-wheel 80. Secured to the forward end of the tubular shaft 82 are two concentrically and ad jacently disposed ratchetwheels 88 and 89, adapted to be engaged by a pawl 90, pivotally carried upon a feed-iever 91, pivotally supported upon the shaft 82 at one side of said ratchet-wheels. These ratchetwheels have peripheral teeth to be engaged by the pawl 90; out the teeth of one ratchet-wheel, as 88, which will be herein termed the short-distance ratchet-wheel, are a shorter distance apart 'than those of the ratchet-wheel 89, which will be herein termed the long-distance ratchet-wheel. The short-distance ratchet-wheel usually has sixteen teeth, while the long-distance' ratchet-wheel has twelve teeth. The pawl for engaging these two ratchet-wheels is hereinfshown as a double pawl, or a pull-and-push pawl7 it having two ratchet-wheel-engaging arms 90' and 90, one arm of which is adapted for engagement with a tooth of the ratchet-wheel 88, and the other arm of which is adapted for engagement with a tooth of the adjacent ratchet-wheel 89. As ameaus for holding one or the other of the arms of the pawl 90 in engagement with one or the other ot' the ratchet-wheels 88 or 89 a spring 92 is provided, which spring is secured to the feed-lever 91 and has an angular bearing-face 92 at its free end, which is adapted to bear at one or the other side of a pin 93 upon-the pawl 90 to normally hold one or the other of the arms of said pawl in engagement with one or the other of said ratchet-wheels, as will be clearly understood by reference to Figs. 2 and l0 of the drawings.

In practice the feed-lever 91 will be constructed. and organized to have a throw of sufficient length to accommodate for long or short spacing, abutments (not shown) being usually provided for this purpose. As a means for limiting the throw of the feedinglever to accommodate for short spacin g I have provided a stop 94, which is fixed bya screw 94 to the front plate of the carriage in position to be engaged by one end of the pawl 90 when the opposite end of the pawl is in its working position, this stop limiting the retractive movement of the pawL and insuring its engagement with the proper teeth.

In the form thereof herein shown y the notches of the ratchetwheel 88 are divided into four groups of four notches each, there being one long and three short notches in each group, while the one 89 is divided into four groups of three notches each, there being likewise two short notches and one long notch in each group. Hence it will be obvious that I employ a pair ot' ratchet-wheels having each plurality of groups of peripheral teeth, each 582,178A Y z of which groups embodies teeth of variable tween vseparate addresses, the short notches coutrollin g the distance between lines of each address, while thevlong notches control the distance between separate addresses. This will be apparent by reference to Fig. 10, in

which it will be seen that the short notches of the ratchet-wheel 88 are of equal length and that two of said notches are of greater length than the one long notch of the group; also, that the two short notches of the ratchet 89 are of equal length andthat the two, taken together, are of greater length than the one long notch of their group. The long notches of the wheel 88 and the short notches of said wheel are also of less length than the correspondin g long and short notches of the wheel 89, and the two short notches of the wheel 8S are of greater length than one long notch of the ratchetwheel 89, so that vwith a given throw of the actuating-pawls for rotating the ratchet-wheels, and which throw is just sufficient to reach the distance of one of the long notches of theratchet-wheels 89, it will be obvious that-it will be impossible to grasp'more than one tooth at a time on either4 ratchetwheel, and hence the arc through which either ratchet-wheel will be rotated is positively co u trolled without varying the throw of the pawl for actuating such ratchet-wheel.

In the drawings the feed-Wheels are shown as having one of them conical projections and the other conical indentations which form concavo-convex dots in the side edge of `the strip of material as it is being fed through the carriage, which dot-s constitute a traction-surface or feed-rack for engagement with the feed-wheels to insure the advancement of the strip a predetermined distance -at'each intermittent movenient of the feed-wheels, said feed-dots also being adapted for utilizationas guides for the strip when the same is used in the carriage of the present machine or as feeding means when used in connection with av printing-machine 'for printing purposes.v

The conical projections and indentations lupon the respective feed-wheels are shown in Fig. 9 as complementary, so that the impressions formed in the strip will be in the nature IOO rio

of relieved projections having continuous surfaces, and these projections will not be punc- `tured or perforated, and hence the material of the strip will `not be weakened.

If desired, the .feed dots or indentations may be formed in. the' strip before strip is inserted'in the carriage.V u a The front andback plates of the carriage the said have oppositely and horizontally @disposed guiding- strips 95 and 96 connected therewith,

the one 95 bein g preferably permanently fixed to the back plate of the carriage, as shown in VFig. 9 of the drawings,while the one 96 is preferably pivotally connected with the front plate of the carriage,vas shown in Figs. 2 and 10. This construction and organization permit the printing -st'ripto be removed from the carriage or inserted irrespective of its longitudinal position lengthwise of the carriage when the feed-wheel 80 is thrown out of en-A gagement with the said printing-strip, which is very desirable for the purposes of correction or change.

Each die-carrier in the acter-forming dies and one pair of blottingout dies. The pairs of character-dies, as before stated, have each a character formed in relief and a complementary character in indent-ation adapted for forming a characterl in relief upon a strip of material, while the blotting-.out dies have plane faces and are adapted to be brought into alinement each Yside the character `in the strip it isdesired to blot out and to be closed to press the strip into its normal lat condition and in condition to receive a reimpression, if desired, said blottingout dies being controlled in theirmovements by a blank key, (designated by N,) which key forms one of the series of keys hereinbefore described, the positioning and operation of the blotting-out dies-being substantially the same as the position and operation of the character-formingdies, as will be readily understood by reference to the drawings andas 'more clearly described in my prior applica tion hereinbefore referred to.

form herein shown. -is provided with a plurality of pairs of char- Having thuspdescribed my 1nvention,"l

claim- Y.

1. 'In a machine for producing printing-sur-- faces upon a strip of material held therein, a

` plurality of pairs of coacting complementary v dfaces upon a strip of material held therein, a

dies mounted for independentradial movements I upon revoluble carriers; mechanism for rotating said carriers insynchronisin to bring any pair of dies into alinement in working position; and means for automatically and radially closing said dies simultaneously to form a raised type-surface when said vdies are alined in working position, substantially as described.

2. In a machine for producing printing-surv die-carrier having a plurality of characterdies 3' in combination with a die-carrier h.av

ing a plurality of radially and independently movable character-dies in complement of the dies of the first-named carrier; means forrotating one of said die-carriers in synchronism upon the strip, and relatively to their carriers to bring two coacting dies into'alinement in working position on each side of the strip; and means for automaticallyand simultaneously closing said dies radially and independently upon the Astrip to form therein a raised type-surfacewhen the dies are alined in working position, substantially Aas described.

3. Inamachine forproducingpri-nting-surfaces upon a strip of material held therein, a

pair of `coactin g complementary dies supporti ed on resilient carrier-arms; key-actuated d e-` vices for rotating said dies in synchronism, and bringing the diesinto alinement in working position on each side of the strip; and means fr automatically and radially closing said dies upon said strip, to formatherein a raised type-surface when the dies are valined in working position, substantially as dc-A scribed. A,

4. vI-n a machine of the class specied, a diecarrier .having one or more cameo-dies and a plane -faced or Vblotting-out die connected therewith for independent radial movements; in combination with a coactin g die-carrier having one or more intaglio-dies and a planefaced or blotting-out die disposed similarly to the dies of the first-mentioned carrier; keyactuated devices'for rotating said die-carriers in synchronism, and for bringing any pair of complementary dies into aliuement in work- -ing position on each side of a printing-strip, and for automatically and radially closing said dies upon said strip, when the dies are alined in working position, substantially as described. A

5. In a machine ofthe class specied, one

or more pairs of dies, each pair having a complementary character in cameo and intaglio, respectively, and a pair of blotting-out or plane-faced dies, and each die mounted for independent radial movement upon a die'- carrier; in combination with vkey-actuated devices for rotating said carriers in synchronism, to bring any pair of mating dies into ali-nement in Working position on each side IOO.

of a printing-strip;' and means for automatside of a printing-strip; and means for automatically andradially closingsaid dies upon said strip when the dies are alined in working position, substantially as described.

7.- In a machine of the class specitied, two coacting die-carriers supported for rotation in the same plane, and each having a plurality of similarly -di'sposed peripheral characterdies supported for vindependent radialmovements,.the dies of one carrier being in cameo, and those of the adjacent carrier in intaglio;

key-actuated devices for rotating said 'dief IIO www

carriers in synchronism, and for bringing two coacting dies simultaneously into alinement in working position on each side of a printingstrip, and for automatically and radially closing said dies simultaneously upon said strip, when the dies are alined in Workin g position, substantially as described.

8. In a machine of the class specified, two coacting die-carriers supported and connected for synchronous movements in the same plane, and each having a plurality of peripherallydisposed character-dies, one in cameo, and the other in intaglio, and one or more plane-faced or blotting-out dies, all of which are connected with their respective carriers for independent radial movements; means for rotating said carriers in synchronism to simultaneously bring any7 pair of coacting dies into alinement in working position on each side of a printing-strip; and means for automatically and independently7 closing said dies upon the strip in radial direction, relatively to the carriers, when the dies are alined in working position, substantially as described'.

9. In a machine of the class specified, two coacting die-carriers, each having a plurality of radially and independently movable complementary character-dies; and means for radially actuating complementary dies in synchronism; substantially as described.

10. In a machine of the class specified, two

coacting die-carriers, each of which has a character-die complementary to the other, and movable radially independently of its carrier; in combination with key-actuated devices for simultaneously bringing said dies into operative relation with, and closingthem upon, each other, substantially as described, and for the purpose set forth.

11. In a machine of the class specified, two coacting die-carriers connected together for synchronous oscillation, and each of which has a plurality of radially and independently movable character-dies, the dies of one carrier being in complement of those of the adjacent carrier, substantially as described.

12. In a machine of the class specified, two coacting complementary diecarriersy connected together for synchronous oscillation, and each of which has a plurality of radially and independently movable character-dies, the dies of one carrier being in complement of those of the adjacent carrier, in combination with key-actuated devices for bringing two mating dies into alinement and working position, and means for closing said dies, substan tiall y as described.

13. In a machine ot' the class speciiied, two coacting revoluble die-carriers, each having a plurality of radially andV independently movable dies; a pair of oppositely-disposed die-operating members, one adjacent to the dies of eachcarrier, and in position for engaging a selected die of such carrier; in combination With key-actuated mechanism for rotating the die-carriers in synchronism to bring any pair ofpmating diesinto alinement pendent radial movements upon revoluble die-carriers; in combination with die-operating members, one for each carrier, and located in position for closing one pair of the dies; key-actuated devices for synchronously rot-atin g the two carriers in opposite directions to bring a pair of mating dies into alinement in working position on each side of said'strip vand adjacent to the operating members; and

means for automatically operating said mem- D bers, to radiallyclose said dies upon the strip when said dies are alined in Working position, substantially as described, and for the purpose set forth.

l5. In a machine for producing printingsurfaces upon a strip of material held therein, a pair of coacling complementary dies supported on the resilient 7arms of a pair of diecarriers; key-actuated devices for operating n said carriers to synchronously bring said dies into alinement in working position on each side of said strip; in combination with a pair -of oppositely-disposed die-operati n g members in position and adapted to radially close said dies upon the strip to form a raised type-surface therein; and means for automatically actuating said die-operating members, When said dies are alined in workin g position, substantially as described.

16. In a machine of the class specified, a pair of die-carriers carrying a pair of similarly-disposed coacting complementary dies radially movable, relatively to said carriers; key-actuated devices for actuating said car- IOC IIO

riers, to synchronously bring said dies into alinement in the working position on each side of a printing-strip; in combination with a Vpair of oppositely-disposed die-operating members in position and adapted for radially actuating said dies; and a revoluble driver in connection with and adapted for automatically and simultaneously actuating said dieoperating members, to close the dies,lwhen said dies are alined in working position, substantially as described.

17.V In a machine for producing printingsurfaces upon a strip of material held therein, the combination of two die-carrier shafts connected for rotation; a die-carrier secured to each shaft, one of which die-carriers has a plurality of independently and radially movable character-dies ih cameo, and the other of which carriers has a plurality of similarlydisposed and independently and radially movable character-dies, in intaglio, and revoluble in synchronism with the cameo-dies; a rotatable driver in connection withY said diecarrying shaft, and adapted for rotating said able character-dies in cameo, andthe otherv of which carriers has a pluralityof similarlydisposed and independently and radially movable character-dies in intaglio,and revoluble in synchronism with the cameo-dies; a'rotatable driver; an intercepting deviceinconnectionwith the die-carriers for. rotating said .Y

carrier-s, and stoppingfthef same atpredeter mined pointsin their rotationsto bring af-se lected pair of dies into alinementinworking surfaces, the combinatiortof two diese-arriere positionon each sideofa printingfstrip; dieoperating membersfin posit-ion and adapted for radi 115? closingthe positioned pair of dies;

andkey-actuated' devices adapted for oper, ating, the-intercepti-ng device, andY for. stopping.. theicarriersat predeterminedpoints in. their" retati'ons5and for automatically actuating-miie` die-.operating;`1 members-to close the dies,V substantially asdeseribed.

19. In a. mach" e of. the classfspecieda rotating driver; arotatable-.die-carrier haw ing3'a series of dies; andintermittently-open ablesuccessivelyacting, disconnecting and reconnecting devices the one automatically operativeby the other, between and inA4 oper# attive-:relation with said driver and die-carrier;. substantially as described.

29.',K Ina machineof the class speeiiiedthe combination of a-rotatingdriver ;a revoluble` die-carrier having, aV ser-ies. of independently. and radially movable dies.; intermittentlyf operable, successively-acting,i disconnecting; and reconnecting devicesA the one automatically operative by the. other, between andz in operativerelationl with said driver and diecarrier; meansv for stopping the diecarrier, at predetermined points inf its m ov.eme1;n;-;1A

and means foractuating said diesindependv i ently-f; substantially as d'escribed, and for the purpose set forth.

2l.v In a machine of theiclassspeciiied-,thei

combination of a continuonslyrotating driver; twocoacting' die-carriers. connected -ior'rotation in thesame plane; aseriesot dies; mountedon each of said die-carriers for ro-V tation inv synchronism, andhaving; the. diesV of one series complementary to those of -v theI other; a-yielding drivingldev-ice operatively connecting the driver and-onel on the die-car riers; means for si*multaneously-` stoppingthe; rotationfot" both die-carriers at predetermined points in their movementsirrespectiveof thefv continued movement of, the driver, to brngg two complementary diesinto position for-use.;

and die-actuating slides in connection with said driver, and in position and adapted for engaging and actuating the pair of dies so positioned, substantially as described.

22. Ina machine ofthe class specified, the combination with a continuously rotating driver; of a die-carrier normally rotating in unison with said driver, and having' a plurality of independently andk radially movable dies; intermittently, operable, successivelyacting,rdisconnecting and reconnecting de-l vices the one automatically operative bythe other, between and inoperative relation with said driver` and die-carrier 'aseries ofstops inV positionand adapted forA selectively. engaging the die-carrier to arrest the movement thereof at predetermined points in its.rota. tiene a reciprocatory. diesactuating slide in posit-iemand adapted for actuating the dies tabl-e carrier.;v substantially asset forth.r

23. In. a mach'nefor. producing'. printing? connected for` rotatioma. plurality of simiyradially.-movable dies 'mountedE on saidf car; :riersfor synchronous.V rot'zattion-q in the: same plane.; die-operating slidesin. position and' L adapted for actuating: two-eoaeting-dies tolward each., other; coacting carrier.- rotating .mechanism(anddiesclosing. mechanism conz nected, respectively-,v w-itli-the die-earriers-and die-aetnatingsl-ides for reciprocal operation a continuously-rotating,driver in operative i and stoppingv devices fon simultaneously arres ting^ the' m'ovementsvof said carrier. meehanisms in successive positizms,` substantially as describedf 24, In; amachine o t theclass-speciied', the combination Vof-a pair of Adie-carriersconnected--for rotation.; aip luralityA of 'similarlfy-dislposed and rad ialy-.movabledies-:motirrtedon1 t same plane; mechanism forclosingthedies;

intermediate of, and adapted foroperatixly conuectin g., .theretatable drivenl and-.tliediei carriera substantially as=described; l

In afmachine.o,f,. the classspecitiedthe g cembinationof ci diej-carriershaftscom Q ed'A for radially actuating, thediesofsai'd caffrieraorreataetfijme; ahoy-actuated' clutch in- ;means1.for actuating, said slide-actuating mechanism on the cessation of movement of .ot the-carrieroney at a, time;` and operative devices. connectingsadasliderwfiththereta-A larly. disposed independentlyoperable' andk :nectedl for rotation. and eaehhavingadief..

independently' and radially movable;4 dies 1 tation in the same plane; die-actuating;slides',

L tex-posedi betweenfbel-.driven one o f the.. diefcarnyingf, shafts;` arotatable driver." fric-j. tionallyV connected with one of" saidf Y clutch; slide-actuating mechanism. inseonnec` gtion: with; said slides= and the driver; amd'- connection withV said coaetingr mechanisms-; Y

IIO

saidcarri ers.- fon synchronous.- rotation in'- the f a rotatabledr-iver; and a keyfactu-ated clutch wvwv vthe die-carrier shafts, substantially as described.

26 In a machine of the class specified, the combination with a die-carrier shaft and with the revoluble driver, of a key-actuated clutch consisting of a clutch vmember fixed to said shaft, and a clutch member movably mounted upon said shaft in position to engage the fixed clutch member, and a yielding driving device connecting the movable clutch member with the revoluble driver, substantially as described and for the purpose set forth.

`27'. In a machine of the class specified, the combination with a die-carrier shaft and with the revoluble driver, of a key-actuated clutch consisting of a clutch member fixed to said shaft, and a clutch member movably mounted upon said shaft in position to engage the fixed clutch member, a yielding driving device con'- necting the movable clutch member with the revoluble driver, and a cam-actuated retracting device in connection with the movable clutch member,substantially as described and for the purpose set forth.

28. In a machine of the class specified,the combination with a pair of revoluble die-carrier shafts connected together for coincident movements, and with a revoluble driver, of a key-actuated clutch, one member of which is fixed to one of the die-carrier shafts, and the other member of which is frictionally or yield-y ingly connected with the revoluble driver, a series of stops adjacentto and adapted for intercepting the movement of the die-carrier shaft, and means for disengaging the clutch members after the interception lof the movement of said shaft, substantially7 as described and for the purpose set forth.

29. In a machine of the class specified, the combination with a pair of `revoluble die carrier shafts connected together for coincident movements, and with a revoluble driver, of a key-actuated clutch, one member of which is fixed to one of the die-carrier shafts, and the other member of which is frictionally or yieldingly connected with the revoluble driver, a series of stops adjacent to and adapted for intercepting the movement of the diecarrier shaft, a shifting lever in connection with said clutch, and a cam in connection with the revoluble driver for actuating the shifting lever and adapted for disengaging the clutch members after the interception of movement of the die-carrier shafts, substantially as described and for the purpose .set forth.

30. Ina machine of the class specified, the combination with the two die-carrier shafts having die-carriers with a plurality of coacting dies, and withthe die-operating slides, of die-carrierrotating and die-closing mech anism consisting of a revoluble driver loosely carried upon the die-closing shaft, a key-actuated clutch connected with one of the die- ,carrying shafts and connected with the revoluble driver by a frictional or yielding driving device, a friction-clutch operatively connecting the revoluble driver with the die-operati ing shaft, operating devices connecting said die-operating shaft with the die-operating slides, a series of stops for intercepting the movement of the die-carrier shaft, and means for disengaging the key-actuated clutch members, substantially as described and for the purpose set forth.'

31. Ina machine of the class specified, the v combination with the die-carrier shafts, of a fixed' and a movableclutch member connected therewith, die-shaft-rotating mechanism consisting of a revoluble driver, a cam connected with the movable clutch member of the die-carrier shaft and frictionally or yieldingly connected with the driver by means of spring-actuated driving members secured toA said driver, and a cam-actuated device for disengaging the clutch' members, substantially as described/and for the purpose set forth.

32. In a machine of the class specified, the combination with a pair of coacting revoluble die-carriers having radially and independentl y movable complementary character-dies, and with mechanism for rotating the die-carriers in synchronism and in the same plane, and for radially closing complementarydies thereof simultaneously; of a printing-stripfeeding mechanism consisting of a shiftable carriage, key-actuated devices for feeding the carriage with a step-by-step movement, and line-spacing mechanism in connection with said carriage for moving the strip of material forward between the dies, substantially as described.

33. In a machine of the class specified, the combination with a strip-carrying' carriage; of two feed-wheels, one of which has a series of peripheral projections, and the other of which has a series of similarly-disposed complementary peripheral indentations between which the strip of ymaterial to be operated upon is impinged, to thereby form and engage a series of relieved draft'projections in and continuous with the strip, and meansfor rotating said feed-wheels to move the strip forward in the carriage, substantially as described.

34. In a machine of the class specified, the

combination withtwo remotely-disposed diecarriers connected for rotation; of a stripfeeding'carriage embodying two revoluble intermeshing feed-Wheels; a pair .of ratchetwheels in operative connection with'one of IOO said feed-wheels, and adapted for rotating said feed-wheel a greater or lesser distance as required; and a pull-and-push pawl for actuating either of said ratchet-wheels, substantially as described, and for the purpose set forth.

35. In a machine of the class specified, the. combination with a pair of die-carrier shafts connected togetherfor coincident movements, and with the die-closing mechanism and the die-closin g shaft, of a revoluble driver, a keyactuated clutch, one member of which is fixed to one of the die-carrier shafts, and the other member of which is frictionally or yieldingly connected with the revoluble driver, a series of stops adjacent to and adapted for intercepting the movement ofthe die-carrier shaft, a shifting lever-in connection with the clutch of said shaft, and a cam in connection with the die-closing shaft for actuating the shifting levervto disengage the clutch members upon the operation of the die-closing Vmechanism, substantially as described. l

36. In a machine'of the class specified, the combination with the die-closing shaft and with the shiftable'carriage, of shifting mechanism therefor consisting of a rack secured to the carriage, a pinion meshing with said rack, a ratchet-wheel in connection with said pinion, an elliptically-moving link connected to the die-closing shaft and carrying a pawl adapted for engagement with and disengagementfrom the ratchet-wheel uponthe actuation of said die-closing shaft, and means for operating said die-closin g shaft, substantially as described.

37. In a machine of the class specified embodying two remotely-disposed die-carriers, in combination, a strip-supporting carriage provided with two revoluble feed -wheels adapted to be closed upon the strip of material, one wheel at either side thereof, two ratchet-wheels in connection with one of said feed-wheels, each of which has a series of groups of ratchet-teeth, the groups in one ratchet-wheel having' a greater number of teeth than the groups in the other ratchetwheel, substantially as described, a doubleended pawl, one end of which is adapted for engaging the teeth of one of the ratchetwheels, and the other end of which is adapted for engaging\ the teeth of the other ratchetwheel, and means for operating said pawl to rotate one or the other of said ratchet-wheels, substantially as described and for the purpose set forth.

l38. In a machine of the class specified, the combination with the strip-feeding carriage having the two strip-impinging feed-wheels, the ratchet-wheels for rotating said feedwheels, and the double-ended pawl for actuating the respective ratchet-wheels, in the same direction of an abutment or stop in position to 'be engaged by, and adapted for limiting the movement of said pawl, substantially as described.

39. In a machine of the class specified, the

combination with two remotely-disposed diej carriers, of a strip-feeding carriage embodying two revoluble feed-wheels adapted to be thrown into intermeshing engagement, and having, one of them, a plurality of equidistantly-disposed peripheral projections adapted for forming indentations in the strip of material impinged 'between the two feedwheels, two ratchet-wheels secured to a shaft connected with one of the feed-wheels, one of which ratchet-wheels has long-distance ratchet-teeth, and the other of which ratchetwheels has short-distance ratchet-teeth, a

double-ended pawl, one end of whichis adapted for engaging the teeth of one of the ratchetwheels, and the other end of which is adapted for engaging the teeth of the other ratchetwheel, a pawl-operating lever, and a spring adapted for retaining one or the other end of the pawl in engagement with the teeth of one or the other ratchet-wheel, substantially as described and for the purpose set forth.

40. In a machine ofthe class specified, the combination with the revoluble driver and with the die-carriers and die-carrier-actuating camof two oppositely-disposed levers pivotally connected with the ,revoluble driver and yieldingly engaging the cam at opposite sides thereof, substantially as described and for the purpose set forth.

41. In a machine of the class specified, a revoluble driver, a pair of coacting die-carriers, in combination with means for rotating the carriers from the drivers consisting of a -cam having an inclined bearing-face, two oppositely-disposed levers pivotally connected at their outer ends tothe driver and bearing f at their inner ends against opposite faces of the revoluble member, and springs in connection with said levers for holding the same in yielding engagement withI said cam, substantially as described.

42. In a machine of the class specified, the l combination with the revoluble'driver, and with the die-carrier-actuating cam, vers, one of which engages and is adapted for vintermittently rotating saidv cam, and the other of which frictionally and oppositely engages the cam and is-adapted for preventing a retractive lmovement of said cam, substan- :o5

tially as described.

43. In a machine of the class specified, the combination with the revoluble driver and with the concentric die -carrier-actuating cam ally connected with the revoluble driver, one

of said levers carrying a roller at its inner end in engagement with and adapted for intermittently actuating said cam, and the other oftwo lex oo of two oppositely-disposed levers pivotno of which levers carries a brake-shoe in fricx15 tional engagement with said cam and is adapted for, preventing a. movement of said cam;A and means in engagement with. and adapted for retaining the levers with their inner ends in constant yielding engagement with the :2o

cam, substantially as described.

44. In a machine of the class specied, the combination with the revoluble driver, the die-closing shaft and with the die-carrier and die-carrier-actuating cam, of a lever in conr2 5 nection with the driver and cam and adapted' for intermittently actuating the die-closing shaft, and a lever in connection with the driver and cam and adapted for continuously imparting driving force to the 'die-carrier, substan- 13o tially as described.

45. In a machine of the class specified, the combination with a rotatable feed member; of a ratchet-wheel connected with said feed member for rotating the same, and having a plurality of groups of peripheral teeth, each group embodying teeth ofvariable ranges of throw; and a pawl for engaging said teeth and lactuating said ratchet-wheel and feed member, and having a range of throw equal to the throw of any tooth of the ratchet-wheel, but

less than the sum of the throws of any two of throw and a single toothhaving `a greater i range of throw, the groups of one ratchetwheel being dissimilar to those of the other;r4

and a pawl for engaging the teeth of either of said ratchet-wheels and actuating such ratchet-Wheel 'and the feed members, and having a range of throw sufficient to cause the actuation of either ratchet-wheel a distance equal to the throw of any one tooth thereofbut insu dici-ent to cause the actuation of either ratchet-Wheel a distance equal to the sum of the throws of any two teeth thereof, to thereby advance the feed members dierent distances, substantially as described.

' WALTER E. CRANE. Witnesses:

FRED. J. DOL-E, FREDERICK A. BOLAND.

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