US1264909A - Stenographic type-writing machine. - Google Patents

Description

w. H. EBELHARE-fil c. G; ARVIDSON,

STENOGRAPHIC TYPE WRIHNG MACHINE. v v

Patentd May 731918..

a SHEETS-SHEET 1.

APPLICATION FILED OCT. 12, 1916.

WITNESSES EBELHABE (K: C. G. ARVI'DSON.

STENOGRAPHTC T YP E W BITINGMACHINE.

APPLICATIONIHLED OCT. 12. 1915.

. Patented May 7, 1918..

swims-shim 2.

WITNESSES,

- small framework, and thus minimize the size -nisms. shall? be controlled from respective l i' bar; Fig. 6 is a plan view; Fig. 7 is a side view of the'universal, bar, andy'Fig. 8 is a longitudinal sectional view of the machine.

\ WILLIAM H. 'EBnLHAnE Ann CLARENCE e. nnvinsonjor mnmnnronis, INDIANA,

' ASSIGNORS r0 'rnn s'rnivo'rvrn colvirAnv, QF,INDIA;.1\TABOLIS,'I1\TJDIANA.

srnnoenernic TYPE-WRITING macninn.

menace.

Specification of Letters Patent.

7 r temei na 7, rain.

application filed October 2, 1916. Serial No.- iajaaae.

- To all whom it may concern Be it known that we, WILLIAM H; Ennn- HARE and CLARENCE G. ARVIDSON, citizens of the United-States, and residents ofIndian- 5 apolis, in the county of Marion and State of Indiana, have invented certain new and use ful Improvements in Steno'graphic Type- I [Writing Machines; and We do hereby de- ,gglclare the followingcto be a full, clear, and 0 exactdescription of the invention, such as will enable others skilled in theart to which it appertains to make and use the. same.

Thisvinvention'relates to improvements in typewriting machines and more particularly to such as areadapted for use in WIIlJIDg shorthand. v a

One object of the invention is to provide a stenographictypewriting mechinein which "the ope atingsmechanism' shall be simplyand compac. y supported in a comparatively and weight of the machine.

;A furtheiiobject'kis to provide a steno-.

fgraphic 'typeyvriting .lmachine in which/the ribbon and aper* feeding mechaends of atiniversalbar.

I With these and other objectslin view, the' invention consists in certain novel features of construction and comblnations of parts as hereinafter set forth and pointed out inthe claims;

. 'lln the accompanyilig drawin gs; Figure 1 v. is an elevation showing one side of a stem- 1 represents the frame ofthe' machine in which the key-and type mechanisms are mounted, but as these mechanisms are not claimedspecif ically herein, 'a'detail description of the same is not essential to an understanding of the features of invention con templated by the appended'claims' A platen cylinder 2 s mounted in the 'rearportio'n of the frame and serves as a part of the paper feed mechanism,-suitable feed rollers 3 and paper guiding devices 4:

\ being also mounted in the rear portion of the ma-i the frame so as to 'be'coiiperable with the platen cyllnder to feed the paper when said cylinder is turned. The front end of the frame accommodates the keyboardtf, and

the key levers 5 (which are pivotally mounted at 6), cooperate with bell-cranks.7,-the upper arms of the latter being pivotally connected with horizontally disposed-type bars 8 so as to move the latter toward and away from the platen cylinder when the keys are actuated.

An inking in one direction or the other by means of gearing 10, the latter; bein shaft 11 mounted horizonta ly in the framework and motion ",is imparted to this shaft ribbon passes from one reel" 9 '7 to another and between the type facesfand. the platen cylinder. These reels are driven actuated, by a each time a key lever is depressed, by means 5 of devices which will be hereinafter described.

A universal bar 12 is disposed transversely in the lower portion of the framework somewhat in advance of the pivotal mountings of the key levers and under the latter so as to be actuated thereby. The universal bar 12 is shown in detail in Figs. 3 to 7 of steel). The sheet metal blank shown in- Fig. 3 comprises a'body-portion 13 provided at respective ends with necks 1115. From the outer end of the neck 14, an arm 16 projects at an obtuse angle therefrom and is formed at its free end with a rounded head 17, while said arm .is provided'centrally be- .tween its ends with a hole 18. Frorn the outer endof the neck 15 at the other end of the'body 13 an arm 19 projects at an obtuse angle 'and is formed near its respec tive ends with fingers 20 and 21. Near the juncture of the finger'QOwith the arm 19, hole '22 is provided in the latter. The side portions of the body 13 of the universal bar blank are bent upwardly to form parallel flanges 23 to engage the side edges of a cushion 24 located on said bar in position to be engaged by enlargements on the lower edges of .the key levers. The outer portion ofthe neck 15L is bent upwardly at right angles so that the ann'will be caused to project upwardly and rearwardly, as shown in Figs. 1 and 4, and the neck 15 at the other the drawings and maybe conveniently made in a single pieceof'sheet metal (preferably end of the bar is similarly bent so that'the arm 19 will project upwardly and rearwardly. Suitable pivotal studs carriedby the machine frame, enter the holes 18 and 22 of the arms 16 and 19,+said studs being so located that the pivotal supports thus '-formed shallb'e in line with the pivotal mountings of the key levers.

- The universal bar 13 is maintained in and I returned; to its normal position under the key levers by means of a spring 25 attached at one end to the frame and at the other end to. the finger 20 at the end of the universal Y bar arm'l9 as shown in F igf2.

A'bellcrank lever 26 is pivotally mounted I at 27 intheframework and the free end upwardly projecting armv 29 of the bellcrank is'connected, by means of an L-shaped 2 0 link 30 with anoscillatory plate or pawl of the armj28of. this lever is bifurcated to receive the headed rear end of arm 16 of the universal bar, as shown in Fig. 2. The

carrier 31 mounted loosely at one endof "the platen cylinder. A springactuated pawl 32'is pivotally attached to thelplate or carrier 31 and engages a ratchet wheel 33 platen cylinder. It is apparent that when having fin teeth, rigidly'connected with the a key lever is' depressed, the universal bar ill be also depressed and motion will be "imparted: through the'medium of the bellcrank 20 and link'3O to the plate or carrier 31 and the pawl 32, engaging the finetion to the platen cylinder andfthus cause toothed ratchet wheel 33, will-impart mothe paper to be fed line spacing.

a distancesuflic'ient for At the side of the machine opposite that l at which'the paper feed mechanism above described is. located, a ratchet wheel 341s secured to th shaft 11-of theribbon feed gearing. A plate or carrier 35 is loosely mounted adj acentto this ratchet wheel 'and carries a spring-actuated pawl 36 to engage said ratchet wheel 34. This plate is provided in its lower portion with an elongated universal bar,-the connection between-thew.

slot 37 to receive a pin 38 projecting later ally from the finger -21 ofthe arm 19 of the pawl carrier 35 and the universal bar being thus located in front of the pivotal mountings of both the universal bar and the key levers,

Thus when a key lever is depressed, the downward movement of the universal. bar will cause the plate or carrier 35 to move downwardly and the pawl 36 to ride freely over the-teeth'of the ratchet wheel 34' on the ribbon feed gear shaft. When the key lever is released and permitted to rise, the spring 25 will cause the universal bar to arm 19 of the'un'iversal bar and the plate or carrier 35 will'cause the latter to be raised and the pawl acre propel the ratchet wheel 34, thus turning the ribbon feed gearing and feeding the ribbon a short distance. It will thus be observed that the inking ribbon is rise with it, .and the connection between the' fed on the return stroke o f a key lever and after thejtypehas printed uponthe paper r and a new surface of ribbon will bepre sented ready for the next impressiom With the construction and arrangement of parts abovedescribed,'the paper feed mechanism is operated from one end of. the universal bar during the-depression stroke of a key bar and the ribbon feed mechanism is operated from the other end ofthe universal bar, during the return stroke of a key lever. By such construction, I am enabled to build both feed mechanisms and their operating means in a compact structure which is simple'an'd readily accessible as well as accurate in operation and not liable to get out of order.

Slight changes might be made in the details of constructionof our invention without departing from the' spirit thereof or limiting its scope, and hence we do not wish to restrict ourselves to the precise details herein set forth. 1

Having fully described our invention what we claim as new and desire to secure" by Letters-Patent,.is:':

1. In a typewriting machine, the combination with key levers, ribbon mechanism and paper. feed mechanism, of a universal bar disposed under the key levers, said bar having upwardly projecting arms at its respec .tiveends, means pivotally supporting said arms to pivotally support the universal bar nism,and operating connections between the free end of the arm at the other end of said bar and the paper feeding mechanism.

2. In a typewriting machine, the combinationwith key levers, paper feed mechanism,

and ribbon feed mechanism, ofa universal bar provided at its respective ends with arms fixed thereto, means pivotally supporting said arms, ratchet devices for operating under the key levers, operating connections a v between the free end ofthe arm at one end ;-of the universal bar and the ribbon mechathe paper feed mechanism, operating con- IHBCUOIIS between said ratchet devices and the arm at one end of the universal bar, ratchet devices for operating the ribbon mechanism,

I and operating connections between said lastmentioned ratchet devices and the arm at the other end of said universal bar.

' tion with key bars, paper feed mechanism and ribbon mechanism, of a universal bar cooperable with the key bars and said mechanisms, sald unrversal bar comprlsmg a sheet metal body portion having upturned flanges at its edges, integral arms at respective ends of said body portion, sald arms projecting upwardly and rearwardly, means I pivotally supporting said arms, and operating Witnesses.

ing connections between the arms of the 1 universal bar and the ribbon and paper feed mechanism respectively.

In testimony whereof, We have signed this specification'in theresence of two subscrib- WILLIAM H. EBELHARE. CLARENCE e. Anvinsou.

Witnesses J. M. BOWEN, N. J. Rom.

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