US1127487A - Type-writer. - Google Patents

Description

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4 SHEETS-SHEET J. MOHR.

TYPE WRITER. APPLIQATION FILED JULY 13,1912

Patented @59,1915

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J. MOSER. TYPE WRITER. 'APPLIUAT'ION FILED JULI 13, 1912.

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w a w@ @New MQ pinion 6 is mounted on the rotary sleeve 9,' fps alsoy is the ratchetv wheel 10g which, when y the paper carriage is drawn "to the'left by the spring'drive, is coupled by the pawl 12,

' under vaction of the spring 11, (Eig. 7) with the toothed wheel S mounted. on the salme axle. The toothed wheel 8 engages a pinion 13, Fig. 7on the spindleot' which ismounted a beveled wheel 15 in gear with the bevel wheel 14:1 (Fig. 1). The spindle of 14 carries the crank 16 (Figs. 1 and 9) A and the double ended arm 17 (Figs. 1 and 11), the

v ends of which are bent as at 17a, 117). The

bend 1'?a lies nearer the .axis than the h'ook 17". These'hooked ends form with thepawl 18, mounted on the shaft 19 and'under the iniuence of the spring 20, an alternate locking for the driving mechanism. .The crank 16 is connected with the lever arm 22, which in its turn 1s connected with the main shaft 23 in a manner presently to be described. Y On this main shaft 23 is fixed a projection 25 carrying a. tube 24 (Figs. 1 and 2). On the tube 24- (Fig. 2) is the type roller 26 mounted to turn and slideaxially thereon. Inthe projection 25 and the closed-end of the tube 2l is journaled the shaft 27, which carries the roller shaped hammer head 28. Over this and the tube 2l is pushed the tyi'ie roller. The hammer head is turned oution one 'face and in the recess thus formed is riveted the end 29a Aor' the spring 29 (Figs. 2 and 5) the f other end 29b is bent and passes through-the wall of the recess and through aslot in the Wall of the type roller situated between two columns of type. The type roller is in this I manner movedwith the' hammer head when this is turned, but at the saine time may be shifted longitudinally. The type roller has lat the other end a closing ring` 3() and at the hammer end a cover 31. On the shait27 is mounted a bevelwheel 32 (Figs. 1 and 2.)

i' lllfloreover there 1s journaled on the shaft a .ldrawn to an enlarged scale.

hollow sha'ft`33 (Fig. 2) which is provided with a screw thread. In a longitudinal slot ,of the tube 24 there isf a small slide 34; the springt-l5 fixed bya screw to this slide is bent over the closing ring 30. The slide has .at its inner side a projection with a groovel 36 in which Ythe screwed thread of the shat't 33 engages. In Fig. 10 the slide is shown When the shaft 33 is turned the slide is moved and with it the type roller. v Shaft 33 is rotated by means of the bevel wheel 37 mounted on it.

journaled on the shaft 19 and are pressed by springs 39,V Fig. 3, against stops 40. Keysy by the rod 21 (Figs. 1 and The levers E; to Rt (Figs. 1l and 3) are may be pressed by similar springs against stops like those shown in F ig. 3 for keys R lto R4. The keys are shown in Fig. 1 in them through pins 11 (Figs. 1 and 3) the shaft 19 and therewith the pawl 18 when they are depressed. ln this manner the end 17a of the arm 17 is unlocked (Figs. 1 and 11) whereupon the crank performs half a revolution and the typev cylinder is struck against the paper roller However, before the type cylinder comes in contact with the paper roller, the pawl 18 engages the other end 17b of the arm 17. In this mannen the paper carriage is brought to rest. The lever 22 is adapted to turn on the journal 43 (Figs.` 1 and 9) otthe shaft 23. The disk {ll mounted'onlthe latter has a pin 15 which lies in a recess of the lever 22, which therefore has a small pla y. The spring 46 presses the lever against the pin This device permits the type roller, in consequence of its momentum, to strike the paper when the carriage is at rest and' lifts the roller from thepaper again. V'Vhen the keys RL-R'* return to the position of rest the second end 17 of arm 17- is liberated I' treme right hand sleeve 47 is'fiXed to the shaft 23, the rest are rotatable thereon.

The extreme left sleeve 47 carriesthe 1nevel vwheel 48 which enga ges, the bevel'wheel 32 (Figs. 1 and 2) mounted on ,the shaft 27.'

0n the sleeves are riveted disks 19a-49' and- Furthermore rings 51?* to 51d are. threaded on the sleev/es and in these rings f are riveted flat springs 52-52". Disks 19a-19d have slots 53 (Fig. S)- which serve for guiding the springs 52. The disks 50aw50d have slots4 (Fig. 3) into which springs 52 exten'd/ These slots have at their 'upper parts separate recesses into which the springs enter. In/. this position of the springs 'the sleeves are coupled together.

lf, however, the springs are depressed out of these recesses into the larger/portions of the slots by pressure of the keys R-R* through the intermediary of the projections 1' (Fig. 3), the sleeves may be rotated relatively to each other through an angle corresponding with the sise olf-the slots. The rotation ot' a sleeve relatively to its neighbor is transmitted through/the bevel 'wheel 48 to DUHMWA sur@ on i' f 1 J anglo remesa by coum by pressure mikey R2 hzo: i; No columns; by oofkoy thro@ 'n fom" oolmms and by pressure on key @rough egh. columns. ,When sevom fog/s :we simulanoousy @pressed die typs oyin dei' can be turneff. t'rough an angle amolming; 'io h@ sum of the angles col-responding with le sevotal keys. By .moans of lles@ would of noms-s bo I) Dit.

l. :u bhs casing of ibis spying f nos?, @ne @Ms 5'? moi mib of the sla l n into engagomen wih o when *he typo folles swings i3 ms, m conseguono@ of tho tenslo 'f prmg C agonist the bass pini@ untl the pkw o.: fe, unoouped sloom:

is exhausted, whsrsu Ccompomes the thor o' um The is only necessprwgs smv Y keeping 52 @ngo-ged. WL *le sleeves f! oupsd they mor no longer roo@ against tho bass pats. Tho

from be sop on tho base pirate through s, osr 'anglo in conseqonoe of the im; 1"

l of 'das ink 3f?. The spying 'tions of ibo keys on t also oo afjuste by M@ Keys i 'herebyrsmovss by @off-ion. of the pin 56g mio me spams between Wo Leash of the seg-'merli drecfy benosth it. The bevel whee 4J is coupfed with the sha 23 ou@ ass par@ inthe lotaon of he QS whou a nirshsr mining; 'of thefaype unt the pm is eomplo'oy in labo spass be hveon vwo eoth and'maq ,ams @Kipling durzng ibo Whole roamon of be shaff. Whom *che shzu'i; 23 returns' she posts are zmomutoay m'oughs book heir normals posgtlom.

'he axial movement of me ype Toller 1S h@ rotation of ythe bevo Whe/ol engaging w'h bevel wheel.

. The sops which become graduv uns? izo srthmeica progression or in v The omslag@ on@ 'spasso mism-al.

't3/ps folien,

Tigh; angles R and L may be actuated directly by the fingers, so 'that a single key or a combination of' keys may correspond with the separate types. This would be theideal key board, because each finger would remain resting on its key andthe choice of the keys is merely a"`question of brain work without the assistance of the eyes. As however, the operation ot this key board may appear too difficult. there is shown in Fig. 13 an arrangement of keys which approximates to the ideal Without deviating too far from the usual key board. i

The frame levers 601 to 60M are journaled on the shafts 19 and 38, each of which levers carries a key.. F ig. 14 shows one of these frame "levers with its key in perspective. The levers R and L rotate or shift axially the type roller to an extent corresponding with their index number. The keys T 1 to T1n the coupling gear,

bring the irst ten types into the printing position since they are provided with co1 responding projections 60a for the .levers R or for the'necessary combination of levers. The key T11 moves the lever L1, the keyv T12 moves the lever" L2. With these twelve keys the thirty characters of the first, second and third rou1 of type may be brought into position. For the types numbers l1 to 20 the additional key T and for the types numbers 2]. to 80 the additional key T12 is simultaneously depressed with the cor esponding key T1 to T1". The key Tlamoves the lever'lf, the key T14 moves the lever L", and the key ZW directs the space shifting. The types may be arranged in the usual manner and the characters may` be inscribed on the keys. There are however, by this arrangement additional keys T and T12 substituted for twenty keys and the fingers can almost -always rem in resting on their keys. The keys T, "Wand ZW are depressed b v ther-thumbs. the rest of the fingers remain always on the main row of keveu one plane as their strokes need amountionly to 2 to-S millimeters, compare Fig. 15. This short stroke is only obtainable bv the automatic positioning of the type roller and the automatic imprinting' of the t/vpes's/o that .this simplified arrangement of keys is not dependent merely on the construction 'ot the shift keys as additional kevs to oth/er additional keys and to thcvmain keys, but on this automatic operation of the machine. With longer strokes the main keys can not be depressed by themselves without involvingan uncomfortable position ofthe fingers which would hinder 'rapid Writing as will be apparent from Fig. 15... l

lt is obvious that by increasing the numl ber of levers 60, the number of kevs may be increased, e.. the keys T a'nd Tfhiav l( each be replaced by ten indiyidual keys.'y It.'

se will also be understood/that ter 'unlocking' Tl--Tl All the-keys may he arranged iniA the Wheel 65 is journaled on atubular prolevers in `the form of frames may be used and such frame levers may be selected by levers in the form of y key levers. The employment ot a second systemcl levers to ai'iton'iatically select the keys provided with the propel' characters permits of any desired arrangement of the ke s.

il very advantageous and modified form of type roller withv remarkably small dimensions, is produced by composing it of several small type cylinders rotatable about a common center and arranged in a circle, the various characters being yarranged. on these rollers in annular zones and-longitudinal divisions. The character l to be imprinted -is thus brought into position by rotating and axially shifting the compoundtype roller.- and also by rotating the'individual type rollers. Figs. 16 to 20 show such a modification or' the type-wheel andthe operating means therefor.

Fig. 16 shows the whole `arrangement in front elevation. Fig. 17 shows the arrangement for shifting the whole of the type rollers 'as-seen from the left; Fig. 18 shows the type roller in plan; Fig'. 19 shows the toothed segments which serve for rotating the whole type cylinder and the individual rollers, seen troni the right; Fig. 2O shows the sepa- 95 rateparts of the shifting device for positioning the type. rollers.

On the horizontal main shaft 23, journaled in front of thc paper carriage is mounted the carrier 25 in which the pin (il is mounted` so as to slide. On this pin' a bobbin 62 can rotate but is prevented from shifting by a Wire clamp. In lthe end plate of this bobbin are journaled ten driving wheels 63 only'tivo ot' which are shown in F ig. 16, one in, elevation and one in section. Between the end plates, sleeves 64 are mount/ed on the shafts driven by wheels 10 and 'rotate with the shaft by'friction. Each of' these sleeves carries on its periphery nine types in three annular Zones, and three longitudinal divisions separated from each other by angles .ot 120. ln one of these diyisions three small characters are arranged, 1n the second correspondingxlarge characters are arranged, and in the third certain numbers and signs are arranged. For driving the whole of these ten small type rollers the spur wheel 65 engages with the Wheel 63,-

Ajection of the bobbin 62 and'is heid in position by a ring sprung thereon. ln a certain vposition of this spur `wheel there are on the outer side of the b'obbin thirty small lcharacters/for which are substituted. by turning the individual rollers through 120"7 the cor responding large characters and by a 'fui'- ther 'rotation through 120 the numbers and signs. yThe characters may be so arranged that ,the small cliaractersare in.y the upper in he lower'zone.

hin.

'hilfe-ed on 'he shui is niouired on the same tubular boss. .These meneer unnuhir sones, he-large ehurucgersfheing ne sones and the numbers end signs .el diarneier and lengh el i5 inillimete each sollies for `he heh- The individuel smell type rollers have n. diameter oi" shout fl millimeters, they may also he prismalsic in forni. lf the driving wheel and she commen spur wheel 65 are :nlsmgged between the end plates of the ltohhin, ehe type roller tog'eher with its geur can he hulde in one piece of steel. rlhe whole type roller may hc removed from the pin 6l hy suitable rotation of the wire clamp which holds ii in place.

@n pin 6l turns the bevel wheel 6G, which all its lower purl; hK a liloss with a turnedou ring'. @Ver this ring engages s bracket ou the carrier 25 hy `which they' ieel is prevented from axial, movement. At its upper puri; the wheel has iv tubular 'boss on which ro sies the bevel Wheel 37. This is provided u" h en 5mn which carries thc pin 68. Un the upper' end of the tubular boss el? the bevel Wheel 66 is also mounted an arm having o pin 69, the latter extends through, s perforwbion in the lower end plaie of the hohhin lsnd when 1he bevel Wheel 66 roiihe mic yifzics ihe pin ies the hobbin with it.

'l ce nl: S8 exends through a perforation 'in she .soothed Wheel 35 and when the bevelv Wheel' Gi roszes, carries the 'oothed Wheel f the slide can turn through with it. The 68 has such play in the end plete of the hobhin that lie small type rollersrney rotate thi-eu jh an angle of .C24r-Oo g e like ploy is provided for the'pin 69 in the 'soothedl Wheel I lffih he bevel Wheels and 67 engage Lhe toothed segments 'TO'snd Il 4which are shown partly in section in 1G so as not o obscure other ports ol" Jdie drawing. The segment 70 .has a. ubulur boss which ,is ma and 7l in like manner segmens nre shown in Fig. .17 es seen from the righi..

e el

.. ed seg'nens 70 and 71 is mounteou l .S o? ineens or which the angle 0I .P'D .L I7' rolzslzion or che toc-died segments 0 and 7l with lie shsi 23a, die disk With the tubulin hess ofihe 'soothed segment 7 0 and ement 7l. The disks 2, si, 5,' 8, formed as shdes. In their noros'tion they couple the disks l', 3, 5, il and together While the latter,

certain :ingle relatively to euch urrsneinengilcf the coupling gear is 'Titz 2O in which the disks 9, 10 and ll are shown Seen from the left. As

shown, he slide has slots s hy means of milt 23 or in the tubular hess which it is *she disk new to it on cheright hand side. Mforeover' it has a projection 'n which enl gages in a notch a in the periphery of disk lying next to iton the left; hand. The spiral spring f, .the lower end of which is Fixed 'in the dish lyinolon the right hand side of ther slide, while the upper end is fixed in the slide, the slide in the recess a.. the slide from shove, the projection n is brought out of engagement with the recess and the disk `lying ou the left hand side of an angle which corresponds with the size of lie noch o. The disks Smay he mede together with rho projection 'n in one operation cul; steel plate.

The spiral spring (2, which engages et its inner end the carrier and will is cuter end the toohed segi'nent 'flurns the latter in the direction of he reader. ililhen the coupling S2 is unlocked she individual sinall type rollers are turned chrough 120. When the coupling is unlocied there is s. rotaion through efi'lo. Theresfier zhe toothed segmeni; TO is also turned and the whole type roller vroaes as soon as the further coupling gears are un loclzed. The 'noteh a muy he for example ,so proporionedtha in unlocking the coup same shaft, this gear' having he With nient as that on the right hand side the dish which lies neares. lo the ssisei' the roller is eonr ected the sirrup lf3 which es gages in stoothedfporion ofhe .stirrup 7d which carries wih ihhe pin The helical spring l5 corresponds Wi'h the spiral spring .72. The toohed segment #Il and the stirrup 73 res?l sgsinsh the sops 57 when the shsfl; 23 is turned to the left when seen from the right. ln this manner lhe two 'springs rreV puf@ under ension and the coupling gears are unlocked and return the rows in succession to their normal positions. The sp1-.ings 72 and 76 are fixed at the one end to rings which turn on the shaft 23 and can he fixed thereon.

The crank rod which pushes lhe ype cylinder agains: he paper carriage is fixed to the stirrup 22a by means of the screw 22". Through the shaf 23 is stuck the pin 45x which has a; small play in bhe stirrup 221. The helical springr 46B presses the stirrup 22n against this pin. After :he crank has guided along the projeczion n of holds @he 'projechion n of:

Ey pressure on coupling gear an ranged on the left hand slde ci the mein @y Asfo l an oscillating crank drive connecting the said shaft with the 4said transmission gear,

a vertical projecting arm, on the said shaft, a

'type roller carried by the said arm, a shifting device connected with' the said type roller and keys actuating the said shifting device and lying in a common plane.

In a typewriter, a. type roller, a main shaft, sleeve on each end of the said main shaft, the outer sleeves being 4fixed, to the `said slee shaft while the remaining are free the shaft type keys, and disconneetible coupling whereby the said sleeves' are connected with each other in such a manner that when one or other of the coupling locks is unlocked the said sleeves can be rotated rela'- tively to each other through di ilerent angles, toothed gear wheels mounted on the sleeves next to the type roller and adapted to operate the latter, an oscillating,y crank drive adapted to turn the said sleeves `on the main shaft, a spring repcat-ediy wound up by the said crank drive and adapted to hold the yes on the said shaft orto turn them in opposite direction thereto until the main shafthas been'tnrned through the angle con responding with s: the uncoupled sleeve, ywhereupon all the sleeves share the urther rotationv of the main shaft by bein-g auteniaticaily coupled therewith.

In a' typewriter, 4a type rollercomprising characters in annular zones and longitudinal divisions mounted on y individualy l small cylinders= which are arranged in e circle around a common axie, driving mechanism for. rotating each of the small type cyiinders separately enabling thus the charac? ters to reach the desired position and means for rotating. and shifting the Whole of the compound type rollery through the inten mediar-y of ,shifting devices or coupling locks mounted on the main shaft 'and operated by the keys, the main shaft being capable to turn against the paper Aroller for printing the characters.

i. in a typewriter, the combination of a. paper carriage, a movable element with which theftype is associated, common operating ineens to actuate-the paper carriage. and said ele1nent, a space key, and tonnecv 'tions `whereby the actuation of the space key 'disconnects the operatingmeans Jfrom said eleincntfand permits said means to shift the carriage Without actuating said element.

In testimony7 that I claim the foregoing ias my invention, I have signed my naine in resence of two Witnesses, this third day of July, 1912.

Dn. JOSEF MOHR. Witnesses f JEAN GRUND.l Cai-:L GRUND.

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