US1307719A

US1307719A - Keyboard composing-machine

Info

Publication number: US1307719A
Authority: US
Publication date: 1919-06-24
Anticipated expiration: 1936-06-24

Description

J. S. BANCROFT AND M. C. INDAHL.

' KEYBOARD COMPOSING MACHINE.

I APPLICATION FILED 050.4. x911. 1,307,71 9. Patented June 24, 1919.

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1.. s. BANCROFT AND M. c; iNDAHL.

KEYBOARD COMPOSING MACHINE.

APPLICATION FILED DEC- 4.191]. 1,307,719.

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J. S. BANCROF'T AND. M. C. INDAHL.

KEYBOARD COMPOSING MACHINE.

- APPLICATION FILED 050. 4.1912. I 1,307,719., Q Patented June 24,1919. r v 4 SHEETS-SHEET a mt mmms Farms cu Puomu we WA wuvuwm n. a

J. S. BANCROFT AND M. C. INDAHL.

KEYBOARD COMPOSING MACHINE.

APPLICATION FILED DEC-4,1917.

. Patented June 24, 1919.

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dated December 28th, 1909. For these rea UNITED STATES PATENT onrron;

JOHN SELLERS BANOROFT AND MAURITZ C. INDAHL, 0F PHILADELPHIA, PENN- SYLVANIA, ASSIG'NORS TO LANS'ION MONOTYPE MACHINE COMPANY, OF PHILADELPHIA, PENNSYLVANIA, A CORPORATION OF VIRGINIA.

KEYBOARD GOMPOSING-MACHINE.

Specification of Letters Patent. Patented J 11113 24, 1919,

' Application filed December 4, 1917. Serial no. 205,337.

This invention relates to keyboard com posing machines and particularly to measuring devices for such machlnes and for machines employing measuring devices of the same general character. The keyboard composing machine illustrated in the accompanying drawings is of the class Which is well known commercially as the product of Lanston Monotype Machine Company and which is disclosed as to its general features in United States Letters-Patent No. 94141305,

sons it is notnecessary to illustrate ordescribe the machine in detail, it being sufficient to designate and identify someof the principal parts thereof which areshown in the drawings, while employing, as an aid to identification, reference characters corresponding as much as possible to those of the patent. It will be understood of course that the measuring device shown as appl ed to this machine may be. incorporated in other mechanisms, although, as will hereinafter appear, numerous particular advantages and effects are had which are due to its relation to the particular type of machine chosen for illustrative purposes. The main general obj ect of our invention isto produce a measuring mechanism the operation of which includes a plurality of successive operative phases with the result that, while the whole measuring operation may be lengthened as to time the mechanism operative in connection with each phase is shortened as to its travel and is, therefore, subjected to slighter blows when striking the limiting stops. Particularly in a keyboard or corresponding machine in which each operation comprises a cycle consisting of a forward movement, corresponding with the depression of a key, followed by a return movement, corresponding with the return of the key to its upper whole materially increased.

or normal position, the measuring phases may be timed to occur with both the forward and the return movements of the machine cycle, whereby time heretofore not employed by the measuring mechanism may be utilized and hence the speed of the mechanism as a Another object of the invention is to provide a measuring mechanism which is capable of adjustment to vary the proportions of measurement assumed for each phase and to vary the total valueof the measurement. Another object is to provide a keyboard composing machine with a measuring device operatively coupled with setting devices whereby the scope of the machine 1s advantageously enlarged, as

for example by. rendering it capable of producing properly measured combined signals for the production of type the set widths of the normal bodies of which are desired to be increased by a desired. fixed amount or by an indefinite amount depending upon the value of the justification fraction for the line being composed. These objects will be more particularly explained hereinafter and other objects and advantages will be pointed out or will otherwise appear in connection with the following description of the device shown in the accompanyingdrawings and embodying the present inventionin which drawings,

Figure. l is generally a vertical section through a keyboard composing machine of the patented type referred to, but embodying the present invention,

Fig. 2 is a front elevation of a part of said machine illustrating particularly the measuring mechanism. i

Fig. 3 is a section through part of the key actuated rock shafts, showing in plan the special signal setting devices.

Fig. f is a sectional detail showing the catch device for the special signal setting lever.

Fig. 5 is a perspective detail showin an end of the units rack carrier and the locking latch therefor, and j Fig. 6 is a diagrammatic view illustrating various parts of the machine and their connections from which view the scheme of operation under normal and special conditions may be readily understood.

The parts of the keyboard machine shown may be identified particularly by reference to Fig. 1 in which appear the keys 180 operating keybars 177, the latter operating rock shafts 174 which in turn operate valve bars 17 3, the ends of which move the valves 170 to cause air under constant pressure in the chamber 163 to act on certain .of the punch bar pistons 29 and thereby through the punch bar levers 17 operate the punch bar 15; the stop bars 13 on the outer ends of levers 41 each operated from a dimensioning punch bar 15 through a lever 20 and a vertically movable bar 40; the units rack 11, (Fig. 2-) slidable in the units rack carrier 42 operated from the universal bar 19 (Fig. 1) connected with the levers 52 and 53, (Fig. 2) the latter pivotally secured at an intermediate point to the carrier 12; the units wheel '7 advanced by air under pressure in the drlving motor cylinder 4 and restored by pressure in the restoring cylinder 4 the pistons of which cylinders are connected by gearing with the units wheel shaft; the line scale rack 14, (Fig. 1), also connected by gearing with the units wheel shaft; the justification indicator drum 8; and the justification pointer 14* carried by the vertical ratchet bar 85 driven upwardly by pawl and ratchet means, the driving piston for which is indicatedby the character 90 (Fig. 6) and allowed to fall to initial position by a trip device operated from the shaft 7 7 (Fig. 2).

The general organization and the operation of the above mechanisms are well known. The manual depression of a key 180' representing a character causes the movement of one or more, generally two, punch bars 15 the punches of which perforate'a paper ribbon or controller which is advanced to its next position while the key 180 upon release returns to normal position, because of pressure in the air chamber 163 acting upon the valve or valves 170 operated from the key, the movement of the paper being caused by a paper tower mechanism not shown. The actuated punch bars also operate the units measuring mechanism under control so that the units wheel 7 rotates sufficiently to measure the set width in units of the character represented by the depressed key 180. The depression of the space key or bar similarly operates a space or transfer signal indicating punch and causes a measurement of a fixed amount, usually four units, to be recorded by the units wheel, this amount being added to the preceding measurements of the characters and spaces which make up the normal line. When the composition, progressing in this manner, nears the end of the measure set for the line and so enters the justification area, usually embodying about seventy two units measured from the end of the measure, justification indicating devices including the justification indicating scale or drum 8 may be operated by the depression of a special justification scale key to indicate what justification keys must be operated to produce the proper justification signals for the line; or in the improved machine such devices may be automatically operated by mechanism, not shown.

The above outline of the general operation of the keyboard machine is necessarily incomplete and refers only to the usual or normal composition of straight justified matter consisting of lines composed of word letters and justification spaces between the words. It does not take into consideration any unusual or special kind of work to include which would needlessly complicate the description at this point. The signals for type characters are in general composed each of two components, as previously mentioned, one denoting or indicating position, called the positioning component, the other called the dimensioning component indicating position and dimension, since in addition to determining in the casting machine the position of the die or matrix, the dimensioning component also controls the dimensioning of the mold for the designated matrix; the signal member or punch for producing this dimensioning component is the one coupled through the

elements

20, 40 and 41 with the proper stop bar 18 to effect the recording by the measuring mechanism of the keyboard of the unit set value of each type.

The dimensioning component of a space or transfer signal controls in the casting machine the setting or positioning of the normal mold dimensioning mechanism as in the case of a type while the other or transfer component of the space signal controls the operation of a transfer mechanism which effects a change in the normal mold dimensioning mechanism by combining with said normal mechanism a supplementary or justification mold dimensioning mechanism. Both components set up unit rack stops 13 in the machines heretofore known but the onenearest to the zero of the units rack, is, of course, the one which controls the measurement; this stop is connected with the transfer component of the signal; its value is usually two units less than the stop, controlled by the dimensioning component. Although the dimensioning component stop is not in this case availed of it finds use whenever the said dimensioning component is a part of a type signal.

The signals for the justification fraction for the composed line are formed at the end of the line and each comprises two components. As, however, in the organized casting machine the record-strip is passed theretl'lrough in the order reverse to, composition, the justification signals are presented at the record-strip interpreting mech anism of the casting machine before the signals denoting type and spaces. These justification signals function in the casting machine to effect the adjustment or setting of the supplementary mold-dimensioning mechanism which is only rendered operative to dimension the mold in addition to the normal mold-dimensioning devices when, as before stated, a space or transfer signal is presented the transfercomponent of which signal acts upon thetransfer mechanism and the dimensioning component of which signal controls the setting of the normal mold dimensioning devices.

With the above mechanism the dimension indicated for any given position of the normal mold dimensioning devices is two units less when controlled by the dimensioning component of a justified space signal than when controlled by a like component of a type signal; in other words the value of the normal mold dimensioning devices isdecreased two units when it is employed in conjunction with the justification mold dimensioning devices. The keyboard composing machine as heretofore known was designed to measure two units less under these conditions, so as to harmonizewith the cast ing machine, by the provision of the stop, already mentioned, connected with the transfer component of a space signal and registering two units less than the stop for the dimensioning component which latter controls the placing of the j ustified space matrix in casting position as well as the setting of the normal mold dimensioning devices properly for said casting.

WVhen it is desired to do special work, as,

for instance, the casting of a character type with the justification fraction added to its normal set dimension, the keyboard machine must present a combined signal composed of the normal type signal components plus the transfer component of the space signal. Mechanism has been provided for accomplishing this and for temporarily cutting out the stop normally connected with the transfer component of the space signal as shown for instance in United States Patent #1994530, dated April 28th, 1914. When a machine so equipped is operated thus to add justification to character type the true set value of the type is registered whereas the casting machine in interpreting this combined signal and because of the transfer component included in such signal produces a type which is tWo units less than this value plus the justification fraction, a deficiency which must later be made up and applied through the justification signal by increasing the value of the latter to the eX- tent of two units of the set being composed, for each of the type signals to which the transfer component has been applied.

It is one of the objects of the present invention to eliminate the necessity of thus increasing the value of the justification signal; and this object is accomplished by providing for the keyboard machine a novel measuring device with setting and other means connected therewith, a form of which device will now be described in detail in connection with the accompanying drawings. It is to be borne in mind however, that the new measuring device has in itself important advantages apart from a composing machine and that when applied to a composing machine, especially of the class specified, it is particularly advantageous When the machine is normally operated as well as when specially operated for justification addition to type values as described; moreover it increases the utility and scope of the machine by providing other special capabilities of operation, as for example, the production of a combined signal, properly measured, for a type character with an addition thereto representing anyone of a variety of fixed or definite set units.

In the mechanism illustrated, the depression of a key 180 causes, as has been heretofore stated, the meshing of the units rack 11 with the units wheel 7 through mechanism including the lever 53 and the units rack carrier 42. This operation is due to the up ward movement of the left end of lever 53 (Fig. 2) said lever being pivoted at the point 1 to the link 2 connecting the lever with one arm of the bell crank lever 3 pivoted to the machine frame at 5, a depending arm of said bell crank lever 3 being pivotally attached at 6 to a supplemental measuring member in the form of a segmental rack or pawl 9. This segmental pawl normally extends from the point 6 to the units wheel 7 so that the teeth of the pawl are in mesh with the teeth of the wheel. When so meshed the. toothed end of the pawl is maintained'in contact with the fixed stop 10 by reason=of the fact that normally constant air pressure in the driving cylinder l tends to rotate the wheel until the pawl strikes against said stop. Further upward movement of the left end of lever 53 than is required to mesh the units rack with the units wheel causes the lever to be pivotally rotated intermediate of its ends at the point 12 in proximity to which point upward movement is arrested by the coming against a fixed stop of a projection 16 onthe units rack carrier 42, to which the lever 53 is pivoted. Such rotation at the point 12 pulls down the link 2 and rotates the bell crank lever B on its pivot 5 so as to retract the segmental rack 9 from the units Wheel 7. As soon as the teeth of the rack 9 and the units wheel have become unmeshed the units wheel is rotated by the motor 4: and thus drives the meshed rack 11 slidably along its carrier 42 until the said rack comes against the particularstop bar 13 elevated,

as previously described, by reason of its connection with the dimensioning punch operated by the depression of the key. During this travel of the rack 11, the unmeshed segmental pawl 9 is rota-ted on its pivot 6 by gravity and the pull of the spring 18 until it rests against the adjustable stop 21 thereor.

, Upon release of the depressed key a re- 10 verse movement of the lever 53 takes place,

first pivoting at the point 12 to move upwardly link 2 and .rotate bell crank lever 3 to move the segmental pawl 9 slidably on the stop 21 until it has meshed with the 15 units wheel .7, and later pivoting at the point 1 to drop the units rack carrier 12 and its units rack 11 thus unmeshing the rack 11 from the wheel and allowing it to be retracted to its initial, normal position against the zero stop 22 by the spring 23 secured at one end to the fixed casing 24 and at itsiother end to an intermediate portion of the lever 25 pivoted at the point 77 and acting at its lower end against the rear 25 lug 26. 011 the units rack. The release of the units wheel by the unmeshing .of the rack 11 is followed by the rotation of the wheel until the segmental pawl 9 previously meshed therewith has been moved from resting against the stop 21 to its normal position in contact with the fixed stop 10 as shown in Fig. 2. The controlof the pivotal points of the lever 53 is influenced by the spring 30. secured above to a fixed point, not shown, and below to the horizontal arm of bell crank in proximity to the connection of said lever with the link 2, said spring tending to maintain the extension 31 of said horizontal arm against the adjusting stop 32. The spring 18, previously mentioned connects the segmental pawl-9 at a point below its pivot 6 with a second depending arm 3 of hell crank 3 and tends to hold the pawl against the .stop 21. The adjustable stop 32 is employed in a manner which is obvious to obtain proper meshing of the teeth "of the segmental pawl' 9 with the teeth of the units wheel.

The lower end of the depending arm 3 of bell crank lever 3 extends between lugs on the slidably mounted latch bar 27 (Fig. 5) a locking projection 27 at the rear end thereof being normally located rearwardly of the downward extension 42 on the forward end of the units rack carrier 42.

When the lever 3 is rotated to unmesh the segmental pawl 9, as in the normal operation of the machine, the locking projection 27 is brought under the extension 42 previ- 0 ously moved up by the meshing movement of the units rack 11 and thus prevents an unmeshing movement thereof until on the reverse movement of the lever 3 the segmental pawl 9 has again become meshed '65 with the units. wheel. A slot 12" in the extension 42 permits the projection 27 to advance when, as in restoring the machine, the lever 3 is operated by the restoring lever 74 and the carrier 12 remains in its lower position.

' The restoring of the line scale rack 14 to its position for beginning a line of composition is accomplished by the usual motor 79 (Fig. 6) acting through the arm 76 pivoted on the shaft 77, the link and the re- 75 storing lever 7%. The right end of the lever 74 (Fig. 2) is thus moved downwardly to engage with the extension 33 on the bell crank lever 3 and rotates the latter against the tension of the spring 30, and, through '80 the connecting .spring 18 withdraws the segmental pawl 9 from engagement with the units wheel. The units rack 11 being in its normal, unmeshed position, the wheel is free to be reversely rotated in the well known fashion by restoring .motor 4-, this rotation of the wheel driving the line scale rack 14: back to line beginning position. As soon as the segmental pawl 9 has become unmeshed with the units wheel the stop 21 is moved upwardly to dotted line position (Fig. 2) so that the pawl 9 will be nicely slidable between it and the fixed stop 10. Upon release of the restoring key therefore,

the pawl 9 will be returned without permitting supplemental motion of the units wheel such return being accomplish-ed by action of the spring 30 and bell crank lever 3. Such upward movement of the stop 21 is brought about by the motor 34: connected by the link 35 with the left end of lever 36 (Fig. 2), pivoted intermediately to a fixed part of the machine at 36 and carrying the stop 21 on its right end. The air pressure system for the operation of these motors 79 and 34:, for reversing the pressure in

motors

4 and 4 and for returning the indicator drum pointer 14* to initial position, all of which operations take place in the restoring function will be hereinafter described in connection with the explanation of the schematic Fig. 6 of the drawings.

The zero stop 22 is provided with a forward head and a shank portion slidably mounted in a casing 37 adjustably positioned by the screw 37 against the rear or left wall of which casing (Fig. 2) a projection 38 on the stop is normally main tained by a spring 39 connected at one end with said projection and at the other, forward end to said fixed casing. A supplementary stop 41 is similarly mounted parallel with the stop 22 and is provided with an extension 43 normally maintained against the rear wall of the casing by a spring 44 126 mounted similarly tothe spring 39. The forward end of the supplementary stop 41 is spaced slightly from the rear wall of the head of the stop 22 which overlaps'the forward end of said supplementary stop. 130

The unitsrack. when snapped back by the spring 23 and lever 25 strikes against the head of the stop 22 and moves said stop rearwardly against thetension of the spring 39. A sufficiently heavy blow will cause rearward movement of the stop 22 to cause the head of said stop to strike against the forward end of the supplementary stop 4:1 and move the latter rearwardly against the tension of its spring 414. This doublestop arrangement serves effectively to take upthe shock without injury or breakage. When the shock has been absorbed the two stops are, of course, returned by their springs to normal position with their projections against the rear wall of the casing, thus 10- eating the rack at its zero position.

From the preceding it will be observed that the measurement of the set value of a type signal is accomplished in two stages, one occurring when the type key is depressed and the other when the key is returned to normal position. The first measurement is recorded by the movement of the 1 units wheel governed by the units rack 11 and the second by the succeeding movement of the wheel. governed by the segmental pawl 9. In such normal or type character key operation of the keyboard, the stop 21 is conveniently located so that the secondary or supplementary measurement governed by the segmental pawl is two units, the unit rack stop 13 set up for the character being spaced from the zero stop 22 so that the first measurement is the total set value in units minus these two units. It is apparent that this method of measurement is highly advantageousbecause the unit rackll always travels a shorter distance (with the setting described 2 units shorter) than if it were employed to govern the total value: hence, it can operate more quickly and is less liable to shock, injury or breakage. Furthermore because the secondary measurement takes place when the key is returned to its normal position and when the units rack 11 is returning to its normal or zero position, time heretofore wasted is utilized and the speed of the machine is increased, this feature being particularly important when the machine is equipped with well known mechanism for automatically rapidly repeating a character signal.

It is also to be observed from the preceding that when the line scale rack 1a is restored to position for beginning a line, the stop 21 is automatically adjusted to throw the secondary measuring device out of action so that the said device will become meshed with the units wheel upon release ofthe restoring key without allowing the wheel to turn from. its proper line beginning p051 tion. i

Aside from. inherent advantages for normal type signal operation, the measuring mechanism is peculiarly adaptable to special operation of the machine, such as for pro ducing and measuring signals for the casting of type bodies with the set wise addition of a variable justification fraction or of a fixed addition. The mechanism for producing these: signals and adjusting the measuring mechanism properly to measure their value will now be described.

Referring particularly to. Fig. 8 of the drawings, attention is directed to the special signal setting. lever 45 the lower end 10f which extends beyond the bottom of the key: board frame 46 so as to be readily moved by the operator. This lever is intermediately pivoted at 17 to the rock shaft frame in proximity to the rock shafts 174 and is provided at its upper endwith forks 18 and 49. In proximity to the fork 48 and substantially in the plane of the lever is arranged an interponent or bar 50 provided with a shoulder 51 in position to engage and operate upon a post or arm of the rock shaft 174:6 of the group of rock shafts .174: the operation of which rock shaft 1748 causes the operation of the space or transfer punch, i. 0., that punch which produces the transfer component of the space signal. The interponent .50is also provided with a series of shoulders 54: adapted to be moved laterally into position to be engaged by posts of each of the several rock shafts 17 11. of the group of rock shafts 174:, the operation of any one of which rock shafts 1741 causes the production of a component of a signal, for example, the positioning component thereof.

Lateral movement of the interponent 50 is caused by the bell crank lever 55 pivoted at the fixed point 56 and provided with a lower arm adapted to contact with'the fork 48 ofthe setting lever 45 when the latter is swung to the right as shown in dotted lines in Fig. 3. The bell crank lever is thus rotated on its pivot to swing its upper arm having a pin and slot connection .57 with the interponent 50, thus moving the lower part of said interponent laterally to the right the upper part thereof being pivotally mounted upoirthe frame by the pin and slot connec tion 58. The shoulder 51 is at all times located in front of one of the posts connecting the upper bar of the rock shaft 1745 with the lower pivotal bar thereof: the shoulders 5a are moved behind posts of the positioning rockshafts 1MP by the swingof the setting handle 45 as just described. Whenever a type key is struck, the said handle being moved to dotted position, the consequent movement of one'of the positioning rock shafts causes through the contacting shoulder an upward, longitudinal movement of the interponent 50 to rock the rock shaft 1M8 by means ofthe shoulder 51, the pin and slot connection 5 8 permitting of such longitudinal movement. It will readily be understood that the striking of a type key, under such conditions, causes the operation of the space or transfer punch as well as the type signal punch or punches and there is thus produced in the record strip a combined signal including the type signal and the transfer component of the justification space signal.

The left fork 49 of setting lever 45 when the latter is swung to the left as shown in dot and dash lines in Fig. 3 operates a bell crank lever 55 similar to bell crank lever 55 but oppositely disposed and pivoted at 56 The operation of this bell crank lever 55 swings laterally to the left the interponent mounted pivotally by the pin and slot connection 58 similarly as the interponent 50 is mounted by the pin and slot connection 58 and having a similar pin and slot connection 57 with its bell crank lever The lug 51 on the abutment 50 is located in front of one of the posts con'nectin the upper bar of the rock shaft 174F o the group of rock shafts 174, said rock shaft 174F being connected to operate a certain special 'or chosen punch whereby a special signal is produced in the record strip which the casting machine is arranged to interpret as requiring a certain fixed addition to be cast with the type the signal for which type accompanies said special signal, whereby the normal set size of said typeis increased by such fixed addition. The shoulders 54 on the interpoent 50 are moved laterally when the setting lever 45' is swung to the left, behind posts of the positioning rock shafts 174P' similarly to the shoulders 54- on the interponent 50. The

shoulders

51 and 54 are oppositely disposed with respect to the shoulders 51 and 54'. Whenever a type key is struck, the said setting handle 45 being moved to the left, dot and dash position, the consequent movement of one of the positioning rock shafts causes, through the contacting shoulder 54 an upward, longitudinal movement of the interponent 50 to rock the rock shaft .174F by means of the shoulder 51 the pin and slot connection 58 permitting such longitudinal movement. It will readily be seen that the striking of a type key, under such conditions, causes the production in the record strip of a combined signal including' the type signal and the special, fixed addition, signal.

The bell crank levers 55, 55 have oppositely directed stop

arms

60, 60 respectively, the proximate ends of said stop arms engaging with upper and lower stop surfaces 61 and 62 of the guide piece 63 fixedly secured to the rock shaft frame. The upper arms of thebell cranks are connected by a tension spring 63 tending to maintain both bell cranks against the lower stop surface 62, and therefore tending to maintain the operatin lever 45 in normal central position as shown in full lines in Fig. 3.

The left bell crank 55 differs from the right bell crank 55 in having its upper arm extended to form the bifurcated portion 64 for engagement with a pin on the bell crank 65 pivoted to the rock shaft frame at 66 and having its upper arm pivotally secured to a rod 67, the upper end of said rod being pivotally secured to the bell crank 68, (Figs. 1, 2 and 3) pivoted to the machine frame at 68 The upper forward end of the lever 68 is knuckled to the lever 69 (Fig. 2) extending substantially at right angles to the plane of bell crank 68 and being substantially parallel with the plane of the units wheel 7 and the lever 36 carrying the stop 21. The lever 69 is pivoted at the point 70 and carries a vertically extending hook shaped member 71 for controlling the stop lever 36 and consequently the position of its stop 21. The upper end of this member 71 is extended horizontally to hook over a pin- 72 onthe left end of lever 36 in proximity to the point of attachment thereto of the link'35 of the motor 34.

In the normal position of the operating lever 45 (Fig. 3) the controlling member 71 is as shown in full lines in Fig. 2. hen the lever 45 is moved to dotted position (Fig. 3) the member 71 is of course unaffected, but when the lever 45 is moved to the dot and dash position the member 71 is moved to the dot and dash position of Fig. 2. In this position it releases the pin 72 and allows} the lever 36 to be rotated on its pivot 36 by the spring 73 connecting the lever at the right of the pivot 36 to a fixed point on the zero stop casing 37. Such rotation of the lever throws the stop 21 farther than its normal distance away from the fixed segmental pawl stop 10, until the shoulder 78 strikes against that one of the adjustable stops 80 which has been selected to cooperate with said shoulder. These stops 80 are mounted radially upon an annular projection Sl'forwardly from a plate 82 pivoted at 83. Each stop consists of a screw threaded stop member provided with a lock nut and each may be independently adjusted so that when the lever shoulder 78 is against it as shown in dot and dash lines the stop 21 is located below its normal position an amount proport1onal to a given number of units rotation of the units wheel according to the adjustment. The nine stops 80 shown are adjusted for from one to nine units of additional measurement by the units wheel. The bringing of a selected stop into cooperative position with respect to the shoulder 78 is accomplished by rotating the plate 82 by hand, a sprlng' pressed detent device indicated by 84 serving to maintain the plate against jarring out of position but allowing the turning of it by hand. The casing 24 protecting the stops 80 is supported by screws securing it to the cylinder of motor 34 itself supported by having its projection 3 1 secured to fixed part of the machine. A lower opening in the casing permits of an inspection of the selected stop 80 positioned while an upper opening is designed to permit of the in sertion of a screw driver for adjusting the screw of the positioned stop 80. The member 71 is provided with a cam surface for engaging with pin 72 and returning it to normal position when the member 71 is it self returned to normal position. a

The operating lever 15 is normally maintained in central position, as explained above, by the spring 63 In such position its lower surface is in contact with a catch member 86 (Fig. 4;) in theform of a bell crank lever pivoted at 87 to a bracket 87 afiixed to the rock shaft frame. The top surface of the catch is yieldably pressed upward against the lever by a spring 88 attached at one end to the lower arm of the bell crank and at the otherend to the horizontal arm of the catch release bell crank 89 pivoted at 91 to the rock shaft frame. The lower arm of the bell crank catch 86 is also connected with the upper, vertical arm of the catch release 89 by a connecting bar 92. The extreme upper end of the vertical arm of the catch release has a nose 93 for engagement with the bell crank 94 operated by the link 95 of the special signal setting lever release mot-or 96 (Fig. The cylinder of this motor is secured to the rock shaft frame by screws 97 and the bell crank 94c is pivoted to the extension 98 of said cylinder.

From an inspection of Fig. 4: it will readily be seen that when the special signal seting lever 15 is moved to either right or left position the catch 86 will spring up beside it to hold it in such position, stops 86 on the bracket 87 engaging with the lower arm of hell crank 86 to prevent undue movement thereof. When however the motor 96 receives air under pressure the link 95, the bell crank 94:, the catch release bell crank 89 are operated; the latter operates through the bar 92 against the tension of the spring 88 to rotate the catch bell crank 86 and thus release the member 15 which is quickly re turned to normal position by the spring 63 The release motor 96 for the special signal setting lever may be operated by air pressure automatically applied in connection with the restoring function of the ma chine, as will be shown in connection with thedescription of the schematic Fig. 6. The said setting leverlmay also be released manually by springing the handle upward slightly to be free of the catch as will be apparent. The" reason for the automatic re lease at the end of a line of composition will be readily a reciated if it be remembered that the casting machine delivers type in the reverse'orderof composition and that justification or fixed additions to type bodies are on that side of the character which is to be left of the character when it is in printed form. If an addition were made tothe first character in the line of reading matter, therefore, it would be on the left of the character; in other words, the character would be indented the amount of the addition, a typographic error requiring correction. In order to prevent this error, the above mentioned automatic means, is employed upon restoring to release the setting lever when it is in position for special addition operation so that the first character of the next line of composition will, when its key is struck, be without the special signal and will be cast without any addition. After this key has been struck the operator has merely to throw the setting lever properly from its normal position to produce further signals for addition. i

The various parts of the machine shown inFig. 6 will be readily recognized. They are shown diagrammatically merely, but the general operative organization including the pneumatic and mechanical coupling up of certain of the parts are intended particularly to be illustrated by this figure which may best be described by setting forth with its aid the operation ofthe machine under normal and special conditions.

When a character key 180G is depressed the valves 170D and 1701 representing any dimensioning and positioning components respectively of a signal are operated through the keybar 177C and thevalve bars 173D and 1731 and the rock shafts 17 D and 174-]? operatively connecting said keybar and valve bars. These valves 170D and 170]? thus cause air under pressure in the valve chamber 163 to traverse pipes 100D, and 1001 to operate the punch bar motors 29D and 291 and the punch bars 15D and 151 to produce the character signal. The punch bars tilt the universal bar 19 to move downwardly the rod 51" and cause the front end of lever 52 to move upwardly, thus causing first the unit rack 11 to become meshed with the units Wheel 7 and then the segmental. pawl 9 to become unmeshed therewith whereupon the units rack is driven by the wheel until it encounters the particular unit rack stop bar 13 which is elevatedbecause of its connection with the dimensioning punch. bar 151), all of which operation has been previously set forth. When the character key is released, it is returned together with the valves, valve bars, rock shafts and keybar to normal position by air pressure in the valve chamber in the usual fashion. The punch bars and the universal bar are returned also in theusual way and through the rod 51", the levers52 and 53, and other obvious parts, first the segmental rack is meshed, while in contact with the adjustable stop 21, with the units wheel, and then the units rack is unmeshed with the units wheel. In this manner while the units rack is being returned to zero, position by the spring and lever means heretofore described, the segmental pawl is driven by the units wheel until it contacts with the fixed stop 10. This supplemental measuring operation produces a two unit movement of the wheel,

when the stopv 21 is set in its preferable position as previously indicated, this setting being made by proper adjustment of the hook shaped controlling member 71 with reference to its pivot 70.

The restoring operation is accomplished by depressing the restoring key 180R when the hand valve 101 is in the position shown. A quarter turn of this valve throws this key out of operation and allows, as is ap parent, the restoring to be accomplished in connection with .a justifying key, as for example the' key 180.1. In the former case the restoring key operates the restoring valve 170R through the keybar 177R, valve bar 17 3R and rock shaft 174R, thus causing air to passthrough pipe 100R to the hand valve 101. In the latter case the justifying key operates keybar 177.1, rock shaft; 174D, valve bar 173D and valve 170D to produce the proper dimensioning signal, and keybar 177.1, rock shaft 173JR valve bar173JR valve 170JR to operate the justification punch by air pressure through the pipe 1021 leading to the punch bar motor 29J operative of the punch. bar 15.1 and to cause air to pass to the hand valve 101 through a branch 102R from said pipe 102J. When the air has passed through said hand valve it traverses the pipe 103R leading to the restoring or reversing or resetting motor 5X through the valve of which air in constant air pipe 104 is normally in communication with pipe 105 and driving cylinder 4 and said air pressure in pipe 103R operates said resetting motor to reverse the valve and cause air from pipe 104 to traverse pipe system 107 leading into reversing cylinder 4 to the justification space counter restoring motor diagrammatically shown at 108, thus releasing the rack bar 85 and allowing it to fall to initial position, to the tripping device motor 79 and to the special signal setting lever releasing motor 96. The motor ,7 9, operates to rock the shaft 77 and arm 76 and through link 75 to move the restoring lever 74, thus u-nmeshing segmental pawl 9 from the units wheel as has previously been described and allowing it to rotate reversely due to air pressure in the reversing cylinder 4 The setting lever releasing motor 96 operates through the link 95, bell cranks 94 and 93, and rod 92 to remove catch bell crank 86 from contact withthe setting lever 45, whereupon the spring 6 3 returns said lever to central, normal pos ea Restoring air pressure is admitted from the pipe 103R below the piston of the resetting motor 5 X to drive it up and thus reverse the valve connected therewith. On its upward motion and preferably at about the time or slightly before it has accomplished suchreversing the piston uncovers a pipe 109 into which the pressure flows and from which and also from connecting pipe 110 and a leak valve 111 it enters the motor 34 connected with the stop lever 36 by the link 35. Thus the lever 36 is tilted to bring the stop 21 in contact with the segmental rack 9. Upon release of the restoring key the piston of motor 5X falls and the reversing valve returns to normal position, thus allowing motors 4 108, 96 and 79 to exhaust:

The exhaustion of motor 34 is slowed up by the valve 111 which allows air to flow freely toward said motor but retards flow in the opposite direction.v Thus the segmental rack 9 is again meshed with the units wheel without the stop 21 being spaced from said rack. The normal spacing upon release of the restoring key is retarded by the retarding of the exhausting of motor 34 and after the segmental rack is again meshed without having permitted rotation of the units wheel, the stop 21 resumes its normal position.

A justified space is produced by depressing the space key 1808 which operates keybar 1778, the rock shaft 1741), to produce a dimensioning punch signal component as traced out above, the rock shaft 174s and thereby the valve bar was and valve 17 OS. The latter permits air to traverse pipe 1128, through relay 113, as shown, to pipe system 114 from which are operated the transfer punch motor 298, the punch bar 15S and its punch to produce the transfer component of tem operates the space counter motor 90 to count a justified space in the usual way. Another branch of this pipe system leads to the reversing motor SK and travels through a groove in the piston thereof when the latter is in normal position, from which groove it communicates with pipe system previously mentioned and operates motor 34 as previously described. Thus, in measuring a justified space the lever 36 is tilted to bring the stop 21 close to the segmental rack 9 so that the two unit supplemental movement of the units wheel is prevented. The space is thus measured two units less than the value given to a character the dimensioning component of the signal of which is the same as the dimensioning component of the space signal. More specifically, if the dimensioning component of the space signal corre sponds with that forming part of the signal for say, a six unit character, the measurement for the space signal is two units less than for the character signal, because the supplemental measuring mechanism, normally active in connection with character signals, is, as explained above, thrown out 01 action, 111 co1111ect1on wlth space signals.

Since thecasting machine casts a justified space two units less than its normal dimensioning position calls for, the above measurement of the space is in agreementwith the caster and the indication of the justification is exact as given by the drum 8 and requires no correction of any kind. It is of course understood that in this mechanism, the transfer signal punch is not connected with a units rack stop bar 13, the units rack 11 being arrested by the stop bar connected with the dimensioning signal punch.

When the space counter has reached a pre scribed limit, the usual device consisting of a hook 115 connected with a lever 116, is caught by a pin on the space bar 85, thus tilting the lever and depressing the plunger valve 117. This valve 117 allows air under constant pressure in the pipe 104 totraverse pipe 118 to throw up relay plunger 113. When thus positioned pressure is cut oil from the pipe system 114, and operation of the space key 180S will result in the production of the dimensioning signal only, which signal the caster will interpret by casting a space of fixed set width according to the value of the signal, usually six units. Al-

though this arrangement prevents operation of motor 34 and stop 21, such operation in restoring is not interfered with even though the relay plunger 113 is in its upper position, air in this case entering the pipe 110 and motor 34 through the pipe 109 instead of by way of the groove in the piston of reversing motor 5X.

In special operative position of lever 45 for the production 01": character signals with justification additions, the lugs 54 of interpenent 50 are in position to be moved by a rock shaft 174 whenever a key is struck and the lug 51 is inposition to move the rock shaft 1743 and thus operate the valve 1705) so that upon the striking of a type key, a combined signal comprising the type signal components and the transfer component 1 of the justified space slgnal s produced.

The operation of the parts is as given above, the measurement oi: the set value of the character being recorded two units less than normally because the presence of the transfer signal operates the stop 21 to prevent a measuring action of the supplemental pawl 9.

In special operative position of lever 45 for the production of character signals with fixed additions, the lugs 54 of interponent 50 are engaged by a rock shaft .174 when a key is struck, and the lug 51 is thus caused to operate rock shaft 1741*; thus valve bar 1731* and valve 17 0F are operated to cause air under pressure to traverse pipe 11915 andoperatepunch bar 15F through its motor 29F.- The positioning of the special sig nal setting lever 45, however, also operates bell cranks 55 and 65, link 67, bell cranks 68 and 69 and thus moves the stop controlling hook member 71 out of contact with pin 72011 the lever 36 ccrryingthe stop 21, as shown in dot and dash lines in Fig; 2. The lever 36 is then moved by spring 73 until the seat? 8 of said lever contacts with the ad jacent adjui-itablestop 80, this position. of the lever 36 being also shown in dot and dash lines in Fig. 2. The particular stop 80 which is desired to be used has been previously positioned manually by turning the plate 82, in a manner readily understood.

A combined signal is produced when a type key is struck andthe lever 45 is set in fixed addition position, this signal comprising the signal components of the type associated with the'additional special signal producedby punch bar 15F. The measurement oi the set width is accomplished in part by the primary mechanism which records the set value of the type, minus the normal measuring value of the secondary mecha nism, preferably two units, and in part by the secondary mechanism which records its normal two units plus the additional units for which the fixed unit stop 80 has been adjusted. The special signal producing punch bar 15F may be selected from or added to the series heretofore employed it being essential however, that its signal when combined with a type signal have only such interpretation by the casting machine as will result in the production of the 1nd1- cated type with the set width of its body urin'g means.

2. A typographic composing machine comprising a keyboard, means actuated from 1 keys thereof for producing signals, measurmg means normally recordlng less than the set values of sa1d signals and supplemental measuring means normally recording the difference in value between the actual set values of the signals and the set values recorded by the said measuring means.

3. A typographic composing machine comprising a keyboard, units measuring mechanism, means for actuating said mechanism in time with the depression of a key, a

supplementary measuring mechanism and means for actuating said supplementary mechanism in time with the return of the depressed key to its normal position,

4.; A measuring device comprising a metor actuated units wheel, main and supplemental governing racks for said wheel, means for determining the strokes of said racks, and means for causing said racks successively to govern the measuring movements of said wheel.

5. A typographic composing machine comprising a key, a signal producing member operated when said key is depressed, a

units measuring device operated simultathe combination of the following instrumentalities, to-wit: a units measuring device embodying a motor driven units wheel, a rack normally out of mesh wlth sa d wheel, means for placing said rack in mesh with said wheel to be moved thereby, a stop for limiting the movement of said rack, a supplemental racknormally in mesh with said wheel, a forward stop for said supplemental rack a 'ainst whichthe latter is normally maintained by the wheel, a rearward stop for the supplemental rack, means for placing said supplemental rack out of mesh with the said units wheel and moving it against said rearwardv stop, said last mentioned means being operative when the first mentioned rack has been placed in mesh with said units wheel.

7, In a typographic composing machine the combination. of the following instru- "mentalities, to-wit: units measuring mechanism embodying a units wheel, a normally operative drivmg motor for sald Wheel, a restoring motor therefor, alternately operated main and supplemental means for governing the measuring movements of said wheel, restoring means operating the restoring motor and rendering th driving motor inoperative and simultaneously rendering both of said governing means inoperative.

8. A typographic composing machine comprising. units measuring mechanism embodying a unitswheel, main and supplemental racks therefor, and adjustable stops for the racks whereby the stroke of each may be adjustably varied.

9. A. typographic composing. machine comprising a unitsomeasuring mechanism embodyinga units wheel, a main racktherefor, n-ieans for stopping the rack at the forward and rearward ends of. its stroke, one

of the. said means being.- adjustably positioned, a supplemental rack for the units wheel, a means for stopping the supplemental rack at the forward and rearward ends of its stroke, one of said means being adjustably positioned.

10. A typographic composing machine comprising a units measuring mechanism embodying a units wheel, a main rack therefor, a rearward stop for the rack and an adjustably positioned forward stop therefor, a supplemental rack for the units wheel, a fixed forward stop and an adjustably positioned rearward stop for the supplemental rack.

11. In a record strip composing machine provided with type signal producing mechanism, transfer signal producing mechanism and units measuring mechanism, and in combination therewith, means for operatively connecting the type signal producing mechanism, the units measuring mechanism and the transfer signal producing mechanism to cause the units measuring mechanism to measure less than the amount corresponding with the value of the type signal produced.

1:2. In a record strip composing machine the combination of the following instrumentalities, to Wit: type signal producing mechanism, transfer signal producing mechanism, units measuring mechanism, main and supplemental governing means for said measuring mechanism, means for operativ'ely connecting the type signal producing mechanism withthe transfer signal producing mechanism and for controlling said supplemental governing means whereby the action of the latter is diminished and the total of the set measurements recorded by the units measuring mechanism under control of the main and supplemental governing means is less than the set value of the type signal produced.

13. In a record strip composing machine provided with type signal producing mechanism, transfer signal producing mechanism and mechanism for operatively connecting the type signal producing mechanism with the transfer signal producing mechanism, and in combination therewith, a units wheel, a units rack and an adjustable stop therefor, a supplementary units rack and an adjustable stop therefor, and means coupled with the connecting mechanism for adjusting the stop for said supplementary units rack.

1a. In a record strip composing machine the combination of the following instrumentalities, to wit: type signal producing mechanism, transfer signal producing mech anism, units measuring mechanism comprising a motor driven units wheel, :1 units rack, a stop therefor .operated by the type signal producing mechanism, a supplemental. rack, a stroke determining adjustable stop therefor, means for operatively connecting the type signal producing mechanism with the transfer signal producing mechanism whereby a combined signal is produced when the type signal producing means is actuated, means connected with the transfer signal producing mechanism for positioning the adjustable stop to decrease the normal stroke of the supplemental rack and means for alternately meshing and unmeshing said racks with the units wheel whereby when the type signal producing means is actuated the units rack governed movement of the units wheel is simultaneous with the operation ofthe signal producing mechanisms and the supplemental rack governed movement of the units wheel is less than normal and is simultaneous with the return of the signal producing mechanisms to normal position.

15. In a record strip composing machine the combination of the following instrumentalities, to-wit: type signal producing mechanism, transfer signal producing mechanism, means for operatively connecting ducing mechanism is actuated, units measuring mechanism, governing means therefor controlled from thetype signal producing mechanism, supplemental governing means for the units measuring mechanism, and

means controlled from the transfer signal producing mechanism for rendering the supplemental governing means inoperative, whereby the latter, operative when the type signal producing means alone is actuated, is inoperative when such means connected with the transfer signal producing mechanism to produce a combined signal and the value of the type signal under such conditions is therefore recorded by the units wheel less by the amount of the normal supplemental rack governed movement of the units Wheel.

16. In a record strip composing machine the combinationof the following instrumentalities, to-wit type signal producing means,

means for producing a signal representing a definite addition to the set value of the type indicated by the type signal, units measuring mechanism, means for operatively connecting said signal producing means whereby a combined signal is produced when the type signal producing means is actuated, and causing the units measuring mechanism to measure the combined value of the normal type signal plus the value of the definite addition.

17. In a record strip composing machine the combination of the following instrumentalities, to-wit: type signal producing means, means for producing a signal representing a definite addition to the set value of the type indicated by the type signal, units measuringmechanism means for operatively connecting said signal producing means whereby a combined signal is produced when the type signal producing means is actuated, main and supplemental governing means for said measuring mechanism, means operated in conjunction with said connecting means for controlling saidsupplemental governing means, whereby the measuring stroke of the latter is increased by an amount corresponding with the value of the definite addition and the total of the set measurements recorded by the units measuring mechanism is the value of the normal type signal plus the value of the and in combination therewith, a units wheel, a unitsrack and an adjustable stop therei for, a supplementary units rackand an adjustable stop therefor and means coupled these mechanisms whereby a combined signal is producedwhen thetype signal prov type signal producing mechanism, a supplemental rack, a stroke determining adjustable stop therefor, means for operatively connecting said signal producing mechanisms whereby a combined signal is produced when the a type signal producing mechanism is actuated, means connected with the definite addition signal producing mechanism for positioning the adjustable stop to increase, the normal stroke of the supplemental rack by an amount corre sponding with the definite addition, and

means for alternately meshing and unmesh ing said racks with the units wheel where by when the typesignal producing means is actuated the units rack governed movement of the units wheel is simultaneouswith the operation of the signal producing mech anisms and the supplemental rack governed movement of the units wheel is greater than normal by an amount corresponding with a the definite addition and is simultaneous with the return of the signal producing mechanismsto normal position.

a 20. In a record strip composing machine the combination of the following instrumentalities, to-witz type signal producing mechanism, definite addition signal producing mechanism, means for operatively connecting these mechanisms whereby a combined signal is produced when the type signal producing mechanism is actuated, units measuring mechanism, governing means therefor controlled from the type signal producing mechanism, supplementary governing means for the units measuring mechanism, and means controlled from the definite addition signal producing mechanism for increasing .the stroke of the supplementary governing means, whereby thevalue of the type signal produced in combination with the definite addition signal is recorded by the units Wheel greater by the amount of said definite addition.

21. In a record strip. composing machine provided with type'signal producing mechanism, transfer signal producing mechanism, definite addition signal producing mechanism and units measuring mechanism, and in combination therewith, means for operatively connectingrthe type signal producingmechanism with either the transfer signal producing mechanism or the definite addition signal producing mechanism and causing the units measuring mechanism to measure, in the one case, less than the amount corresponding with the value of the type signal produced and, in the other case, greater than such amount by the amount of the definite addition.

22; In a record strip composing machine the combination of the following instrumentalities, to-wit; type' signal producing means, definite additional signal. producing means, means for variably adjusting the value of said definite addition, units measuringmechanism, means for operatively connectingsaid signal producing means whereby a combinedsignal is produced when the type signal means is actuated, and causing the units measuring mechanism to measure the combinedivalue of the normal'type signal plus the -value,'-in' accordance with the adjustment, of the definite addition.

23. In arecord-strip composingmachine the combination of the following instrumentalities,- towit': type signal producing means, units. measurlng means including a governing mechanism therefor, definite addition signal-producing means comprising a stop for controlling saidgoverning:mechanism, and a manually operative series of adjustable stops, eachrepresentinga different definite addition and:capable of being set in position to control said first mentioned stop whereby said measuring means records a value in addition to that'of the type signal in accordance with the particular one of the.

series of adjustable stopspositioned.

24. In a record strip composing machine Copies of .this patent may he. obtained for the combination of the following instrumentalities, to-wit: type signal producin mechanism, transfer signal producing mechanism, units measuring mechanism and restoring means, main and supplemental governing means for said measuring mechanism, means for operatively connecting the type signal producing mechanism with the transfer signal producing mechanism and for controlling said supplemental governing means whereby the action of the latter is diminished and the total of the set measurements recorded by the units measuring mechanism under the control of the main and supplemental governing means is less than the set value of the signal produced, and means operatively connected with said restoring means for cutting out of action the supplemental governing means, whereby a measuring action of the units measuring mechanism is prevented in connection with the restoring action.

25. In a record strip composing machine the combination of the following instrumentalities, to-wit: type signal producing mechanism, special signal producing means including a setting device therefor and means for yieldably maintaining said device in inoperative position, a catch for retaining said device in operative position when manually moved to said position, units measuring mechanism and restoring means and a trip device operatively connected with said restoring means whereby the special signal setting device is returned to inoperative position in connection with the restoring action.

26. In a record strip composing machine the combination of the following instrumentalities, to-witz type signal producing mechanism, transfer signal producing mechanism, definite addition signal producing mechanism, units measuring, mechanism, governing means therefor controlled from the type signal producing mechanism, supplementary governing means for the units measuring. mechanism, means controlled from the transfer signal producing mechanism for lessening the-stroke of the supplemental governing, means and means controlled from the definite additionsignal producing mechanism for increasing the stroke of the supplementary governing means.

JOHN SELLERS BANCROFT. MAURITZ C. INDAHL.

five cents each, by addressing the Commissioner of Patents, Washington, 20.10.-