US1025046A - Type-writing machine. - Google Patents

Description

W. J. BARRON.

TYPE WRITING MACHINE. APPLICATION FILED AUG. 3o, 1910.

1,025,046. Patented Apr. 30, 1912. z SHEETS-sum1.

` 1401s TTURNEY W. J. BARRON. TYPE WRITING MACHINE. APPLIOATION FILED AUG. 30, 1910.

' 1,025,046. Patented Apr. 30, 1912.

2 SHEETS-SHEET 2.

FIG. C5.

FIG. 5.

W2. JJM@ WM 14:5 TTURNEY WALTER J. BABRON, 0F NEW YORK, N.

UNION TYPEWRITER COMPANY, OF JERSEY' CITY,

0F NEW JERSEY.

Y., AssrGNon., BY MESNE ASSIGNMENTS, 'ro

NEW JERSEY, A CORPORATION TYPE-WRITING MACHINE.

Specica'tion of Letters Patent.

Application led August 30, 1910. Serial No. 579,623.

To all whom it may concern Be it known that I, WALTER J. BARRON, a citizen of the United States, and resident of the borough of Brooklyn, city of New York, in the county of Kings and State of New York, have invented certain new and useful Improvements in Type-Writing Ma- 4 chines, of which the following is a specifi-` cation.

My present invention relates to carriage feeding mechanism for typewriting machines.

The principal object of said invention is to provide means for at will preventing 1 movement of the carriage when a spacing or character key is actuated so that the carriage may be held in fixed position while re-printing a defectively printed character or substituting another character in place of an erased one or so as to enable a number of characters to be printed vertically one under the otherl by merely turning the platen on its axis between each 'two impressions; or for any other desired purpose.

To the above and other ends my invention consists in the Vfeatures of construction, arrangements of parts and combinations .of devices to be hereinafter described and particularly pointed out in the claims.

In the present instance I have shown two forms of my invention both applied to the No. l0 Remington typewriter, but the nature of the invention is such that it may be readily adapted to other styles of writing machines irrespectivel of the form of escapement or carriage feeding mechanism employed in such machines.

In the irst form of the invention as herein shown in Figures 1 to 4, inclusive, my novel devices are illustrated in connection with the back spacing mechanism'of the No. 10 Remington machine, the back spacing means having an additional function in addition to its back spacing function but being operative at will for either back spacing or for locking the-carriage against movement. In the second form of the invention (Figs. 5 to 7) a special key and connections are shown vfor locking the carriage against movement.

Ln the accompanying drawings, Fig. 1 is a vertical front to rear sectional view of a No. 10 Remington machine embodying my invention, so much only of the machine being shown as is necessary to a'clear underplaten frame.

standing of said invention. Fig. 2 is a fragmentary side -View of the back spacing key and novel devices connected therewith, said key being shown locked in actuated position. Figs. 3 and 4 are rear elevations partly in section showing parts of the back spacing mechanism of the No 10 Remington machine. Fig. 5 is a skeleton view of a modied form of my invention. Fig. 6 is a fragmentary view showing the key of the Fig. 5

Pateneeaapr. so, 1912.

construction depressed and locked. Fig. |7

is a rearview of the locking barl of Fig. 5 in operated position. l

fAs shownin Fig. 1, the main frame of the machine comprises a base 1 from which rise corner posts 2 supporting a top plate 3. Thekey levers andthe type bar system connected therewith are omitted from the drawings but are or may vbe of the usual construction. The type bars when actuated cooperate with the front face of a rotary platen 4 which is supported on a platen frame (not. shown), said frame being mounted for up and downmovement on a truck comprising end bars 5 and connecting frontand rear bars 6 and 7. These bars 6 and 7 are grooved to receive anti-friction balls 8 which also coperate with grooved guide rails 9 and 10 fixed to the top plate at the front and rear respectively of the platen carriage which comprises the truck and a frame 12 to which is secured a feed rack 13 which is normally maintained in springpressed engarement with the feed pinion 14: fixed at the farontofa shaft 15 bearing in a bracket 16 secured to the top plate. Fixedly supported on the rear end of said shaft are two escapement, wheels 17 and 18, said wheels being relatively adjustable to provide for a greateror lessdegree of drop between their corresponding teeth when the .coperating feed dog 19 is moved away from the normally engaged escapement wheel 17 to the other escapement wheel 18. Said feed dog is mounted at the top ofa dog carrier or rocker 2O 'pivoted at 21 to a ixed support depending from the top plate and is connected by a link 22with devices including a universal bar (not shown), which bar underlies the key levers and is operative `thereby to actuate the escapement and'permit the carriage to be drawn leftward a letter space distance at a time under the impulse'communicated from a spring drum Pivoted to the truck at 11 isv lib " space distance.

N means applied to the lever 28 which is or may be et the usual construction and is connected by a band 23a and bracket 23h to the carriage.

lThe back spacing mechanism of the ilo. l() Remington machine as shown in Figs. l to d comprises a lever 2d arranged at the right-hand side of the keyboard and tulcrumed on the fulcrum bar 25. Said lever 24C is provided with a restoring` spring 26 and entends forward through the usual comb plate 2l', terminatingl at the iront in an upright portion or stem 253 which is provided with a key or button 29. l link 30 connects the lever 24 with a forwardly'extending crank arm 3l lined to a rock shaft 32 supported on brackets 33 depending from the top plate. il rearwardly extending crank arm 341 .listed to said shaft 32 is connected by an upwardly extending link 35 with a paivl Sti, said link and said pavvl being pivotally connected at 3'?. Said riaWl is pivotally supported at 38 on an arm 39 which bears on the shaft lo@ rlhe tooth 36a ot the paivl projects upward and lette/'ard and is adapted to cooperate with theteeth oit a back so ring Wheel Ll@ which is mounted on the sualt l5 and secured in fired re-v lationship therewith y screws il which enter screwv h les in a collar l2 hired to the shatt l5. il. coiled spring;I i3 is connected to an arm 39a integral with the arm 39,the

spring; also being Connected with lined pin tat. Said spring normally maintains the arm 39 in eontact With a limiting pin d5, is normally positioning the pavvl 3G as shown in like'. 3 from which it will be observed that the pavvl tooth is normally out oit the path et ythe tooth olf the back lt will loe understood limit ont movement the link .30, arm 3l, rock shalt 32 arm. 3dare operated to thrust upward the link 85, causing the back spacing pawl to engage the back spacing Wheel and turn the same in the direction ot the arrouY in .1 ig. 3.. 'llliis turning movement is communicated to the shaft lo and lirough it to the rack 13 and pinion i4, the result being that the carriage is moved a letter nisin thus described was not invented by me and is not claimed per se herein.

ln order to adapt the back spacing mech anisin to serve as a carriage lock, l provide for arresting' the back soacing pand after it has entered the baclr spacing Wheel but betere it has moved said Wheel, and tor locking the paul in arrested `oosition so that it cooperates elr spacing;d Wheel to hold the with the ba shaft l5 from turning, thusiliaingV the pinion let holding the carriage against movement in printing direction.

Reterrino" more specitically to the eau/l locking; aforesaid 4they `et a plate 50 secured by a rlfhe nach spacing mecha-4 oaaoae include an arresting and locking member which comprises an arm 46 Qivoted to the side of the key stem 28 at el? below the key 29 and provided with a rearwardly extend ing)` key or linger piece 48. it its lovvcr end the arm i6 'terminates in a horizontal eX- tension or lip 49 extending laterally away from the face `of the key stem 28. The arresting and locking member is normally maintained by gravity in the position shown in ig. l. Said member is adapted to cooperate with a hired arresting and locking member which fined member is in the form screw 5l to the top of the comb plate 2l". The memher 50 entends forward and downward at the rental orr/ardly extending lip or le( l el strip of the metal plate 50 is cut and bent outward to torni a locking linger 53 which terminates above the ledge 52.

lllhen it is desired to lock the carriage trom movement the operatorj as he depresses the key 29, litts or pulls upward fue key 'sl-8, thereby swinging arm rearward and bringing the lip Lil-9 agar the outer Ltaceolt the inclined linger l soon as the liys` i9 passes belovt7 the the upward pressure against the i8 will the lip 53. it the saineinstant the bottom oit, will Contact v ith the top oit the si ary' ledge or lip 52, thus arrestin Ward movement of the key now, the operator releases tl' e Y the restoring spring 26 will hold the lip i9 iii'ictionally against the bottoni oi' the linger 539 thereby ma aining; the @arts the position shown in .Figa 'This depression and locking or' leve" erates through the described connecte clu 'ag the link to swing; the pawl ujeuugc. into engagement with the oscar. ment Wheel l0 as shown in l hold the pa-wl and the lwheel locked i position. l`he upward ino" yie pavfl is suiiicient to cause any iig increment ofthe beek spacin wheel l0. fu vvill be seen :troni Fir that tue ia-vl 36 '-.vlien held in depre d position will ctively prevent turni v novenient o n 'the Wheel lO i printing direetion. Tire e@ being to the shaft l5.; said slr leek-ed against movement and the :teso ier .cred to tl-e its; rait is neld trom turning.y thus ring rack ld and the platen carriage tror in ting direction. By down on the key or finger l ce lockinir and arresting member :lay be iseonthe parts 'will be restored to norl A. i9 eener, e

liti

orivaro nested and mal position by the springs and #Lt-3.

ln the torri oit the invention sho Figs. to i iroride e or l connections to the r Ain the carriage against movement in the direction of letter spacing or oppositely thereto. Said special key lever 54 has a ixed fulcrum 55 and is provided with a restoring-A 'spring 56 which is connected with said key lever and also with a fixed. support 57.A The.

key lever 54- passes through a space in the comb plate 27 and terminates forwardly in a vertically disposed key stem 58 which is provided with a key 59, the rear edge'of said key stem being formed with a notch 60 having a horizontal lower edge, the other edge-.of said notch being inclined upward and rearward. The rear end of the key lever 54 isA pivotally connected at 61 with an upright arm 62 which passes through an opening 63 in the top plate 3, the sides of said opening serving as a guide for the upper portion of the arm 62. As indicated at 64 4(Fig. 7) the upper end of the ar 62 is beveled at one side so as to fitinto tige; opening between any two of the teeth 1 a of the feed rackvl. Normally, however, the upper or locking end of the arm 62 is below the rack teeth as shown in Fig. 5 and will not interfere with longitudinal movements of the rack; When, however, the key 59 Ais depressed the arm 62 is moved longitudinally upward and its upper or locking end engages with the rack as shown in Fig. 7.

Means are provided for limiting the upward movement of the arm so that While said arm will engage with the rack as shown in Fig. 7 it will be arrested before it begins to lift the rack from the feed pinion. The limitingA means aforesaid comprises an upright arm 65 pivoted at its lower end at 66 to a stationary bracket 67 secured to the comb plate 27. The arm 65 is provided with al leaf spring 68, the free end whereof reacts against the comb plate and tends con-y stantly to press the arm 65 forward. Said arm extends upward and is ott-set rearward so that the upper end 65a is in rear of the key 59. The part 65a is fashioned to provide a linger piece. Below the finger piece and,at the forward edge of the arm is a horizontal stop edge 69 which underlies the key 59 and is adapted to co-act therewith. Below the stop edge 69 the forward edge of the arm 65 is shaped to provide a pointed lug 70. The arm 65 is slightly olf-set laterally so that the point of said lug 70 engages with the rear edge of the key stem 58 and normally limits the forward movement of the arm v55 under. the pressure of `the spring 68. Downward pressure on the key 59 is limited by the stop 69 with which said key co-acts.. At the moment of co-action the notch 60 is opposite the lug 7 0 and said lug will be forced into said notch by the spring 68 as shown in Fig. 6. If pressure now be removed from the key 59 the lever 54 and arm 62 will notbe returned t0 normal position but will be held locked in operative po- 'sition by the co-action between the lug 70 and the notch 60. When the key4` 59 is arrested and locked ,as shown in ig. 6 the arm 62 will be in the Fig. 7 position,

thereby locking thefeed rack and the carriage on which said feed rack is mounted from longitudinal movement. By pressing rearward against the vfinger piece 65B the key leverl is released and the parts will be restored to normal position by the spring 56.

The typewriting machine to which my invention is shown' as applied and many other makes of typewriting machines are equipped with a drop feed escapement which operates to permit a partial letter space movement of the carriage during the key depression, the letter space movement be ing completed during the return movement of the key. The extent of drop during the key depression may be 'varied to suit different conditions. With a so-called drop feed escapement a slow and hesitating actuation of the printing keys causes unequal spacing between characters and thel line of print and the type impressions are blurred, owing to the ribbon being held in' contact with the paper whle the carriage is in motion. If for this pr any other reason the type impressions are defective and it is desired to reprint them, or any of them, with a drop feed escapement, it would probably happen that the re-written character would not be inexact register with the original,

because, owing to the varying speed with which the printing keys are operated, the printing of the characters takes place at different moments during the drop. By using a carriage locking key as provided by me herein and operating the same prior to the printing operation the laten and carriage will, however, be held lmmovable during the printing operation irrespective of the style of escapement employed. Moreover, my present invention enables any desired character or characters to be given prominence by impressing it or them several times, the carriage being held locked during the repetition of the type impressions.` Moreover, it is sometimes desired to print in vertical lines on the page and by employing my invention such printing may be facilitated, it being only necessary to operate the carriage lock and key once and then to rotate the platen by hand between the type impressions.

Vario-us other uses of my 'improvements will suggest themselves to those skilled in the art.

It will be observed that by my present invention I combine with a traveling carriage, key controlled means operative at will Ato lock said carriage against movement 1n printing direction or otherwise expressed against traveling movement; that in the present instance the key controlled mechanism cooperates with the carriage feeding devices which include a toothed member; e., specifically in the iirst form the Wheel 40 and in the second form the rack 18) that ,the key controlled devices -or mechanism move a detent or device into engagement with said toothed member, thus locking the toothed member and thereby locking the carriage against movement by preventing the co-acting rack and pinion members 13 and 14 fromacting one on the other,i that the key controlled means comprises a key lever; that means are provided which coperate with said key lever to limit its movement and also to lock or set it in operated position; that the means last referred to comprises in both forms of the invention a member on the machine frame Which is provided with a stop and With a detent; that in the first form of the invention the member is the element 50 and in the second form ot the invention the element ;'and that when the key lever is released troni the detent it is restored to normal ppsition by restoring means Which in the present instance comprise a coiled spring.

Various changes may be made Without departing from the spirit and scope of my invention.

`What I claim as nevil and desire to secure by Letters Patent, is y 1. In a typeivriting machine, the combination of a traveling carriage, carriage teeding devices, and key controlled means operative at Will independently ot' movement of said carriage feeding devices to lock certain of said devices. f

` 2. In a typevvriting machine, the combination ofl a traveling carriage, carriage 'eeding devices, and key controlled means operative at Will independently of movement of said carriage feeding devices to lockertain of said devices and thereby to prevent movement of said carriage in printingdirection.

3. In a typewriting machine, the combination ofv a traveling carriage, carriage feeding devices including a'toothed member, and key controlled means cooperative' at will with the teeth of said member-to lock said carriage against movement in printing direction, the, position of said member being t-he same after the locking operationA as prior thereto.

4. In a typewriting machine, the combination of a traveling carriage, carriage .feeding-devices including a toothed member, a coperating locking member independently" of 'said' carriage feeding devices and normally separated from sald toothed member, and--keycontrolled mechanism for moving at will said locking member into enga ement vwith said toothed member to lock said carriage against movement in printing direction.

normal position when ment of said key lever and :insane tion, said means comprising a key lever,rde

vices for limiting the movement of said key lever, and locking devices for holding said 'key lever in operated position.

6. In ay typewriting machine, the combination of a traveling carriage, carriage feed-ing elements including a dog, and means operative at will independently of movement of said vdog element to lock said carriage against traveling movement, said means comprising a Akey lever, a stop device thereon, and a cooperating framev stop.

7. In a typewriting machine, the combination of -a traveling carriage, carriage feeding elements including a dog, and means operative at Will independently ot movement of said .dog element to lock said carriage against traveling movement, 'said means comprising a key lever, a restoring spring-- therefor, a stop on said key lever, a coper` ative frame stop, and devices for retaining said key lever in operated position.

8. lln a typevvriting machine, the combination of a traveling' carriage, carriage feeding elements including a dog, .and means operative at will independently of movement of said dog element to lock said carriage against travelingl movement, said means comprising a key lever, locking devices for holding said key lever in operated position,

and means for restoring said key lever to released from said locking devices.

9. In a typewriting machine, the combination of a traveling carriage, means operative at Will to lock said carriage against traveling movement, 'said means comprising a.y combined stop and deten'tv member supported on the 'frame of the machine, and a lkey lever' coperative with said member.

10. In a typevvriting machine, the combination of a traveling carriage, means operative at will to lock said carriage against traveling movement, said' means comprising a combined stop and detent-l member supported on'the `frame of the machine, a key lever coperative with said member, andv a letent'movable into operation by said key ever.

11. In a typewriting machine, the combination of a traveling carriage, an'd means v'operative at will to lock said carriage against traveling movement, said means comprising a key lever, an arm vpivoted thereon, and .a device on the frame oooperative with said arm to limit the moveretain it in operative position, said device comprising a stop engageable with one part of said arm,

and adetent engageablewith another part` of said arm.

12. In a typewriting machine, the combination of a traveling carriage, and means operative at will to lock said carriage against traveling movement, said means comprising key controlled back spacing mechanism, and means for limiting the movement of parts of said back spacing mechanism.

13. In a typewriting machine, the combination of a traveling carriage, and means operative at Will to lock said carriage against traveling movement, said means comprising a. toothed Wheel, a co-acting` pawl, and key controlled means for moving said pawl into engagement with said Wheel and arresting it prior to the beginning Aof movement by said Wheel.

14. In a typewriting machine, the combination of a traveling' carriage, and means operative at will to lock said carriage against 'traveling movement, said means comprising a back spacing Wheel, a co-acting key controlled paWl, and means for moving said pawl into engagement with said Wheel and arresting said pawl prior to the beginning of back spacing movement.

15. In a typewriting machine, the combination of a traveling carriage, escapement mechanism therefor .comprlsing a cooperating rack and pinion, a back spacing Wheel rigid with said pinion, an arm coaxial With said wheel, a pawl pivoted on said arm, a key lever, connections'between said key lever and said paWl, a device on the machine frame, and devices co-active With said key lever for limiting its movement and retaining it in operated position. Signed at Hingham in the county of Plymouth and State of Massachusetts this 24th day of August, A'. D. 1910. y

WALTER J. BARRON.

Witnesses:

ERNEST E. LINCOLN, CARRIE V. WHITE.

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