US1110144A - Column-stop mechanism for type-writing machines. - Google Patents

Column-stop mechanism for type-writing machines. Download PDF

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Publication number
US1110144A
US1110144A US81295814A US1914812958A US1110144A US 1110144 A US1110144 A US 1110144A US 81295814 A US81295814 A US 81295814A US 1914812958 A US1914812958 A US 1914812958A US 1110144 A US1110144 A US 1110144A
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lever
key
carriage
arm
spring
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US81295814A
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Charles Clarence Poole
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OLIVER TYPEWRITER CO
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OLIVER TYPEWRITER CO
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00Devices or arrangementsĀ  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/24Detents, brakes, or couplings for feed rollers or platens

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  • the invention relates more particularly to that class of column stop devices which embrace a spring-barrel through which the carriage 'is actuated and a brake-mechanism,
  • the invention is herein shown as applied to a typewriting machine of the kind known as the Oliver machine, but the features constituting my invention may be applied to machines of 0 her kinds.
  • Fig. 2' is a view in central with the brake-device on the spring-barrel
  • Fig. 4 1s a view from beneath of the spring- .barrel and brake-shoe
  • Fig. 5 is a side View of the parts shown in Fig. 4.
  • Said escape-wheel shaft 13 forms part of the rack-bar of the paper-carriage is provided with a depending, longitudinal flange 18, provided at its lower edge with a plurality of notches.
  • Mounted on said flange 18 are adjustable stop-members 20.
  • a vertically movable stop-member 21 is attached to the rear end of a vertically swinging lever 22 mounted on the shift-frame.
  • a vertically arranged plate 33 is attached to the forward end of the bracket 17, and said plate is provided with forwardly extending lugs through which is inserted a horizon tally arranged pivot-rod 2-1, forming a journal or hearing for the said lever 22.
  • the lever 22 is provided at its forward or pivoted end with forwardly and upwardly projecting, rigid arms 25 and 26.
  • a horizontal stop-arm '27 is attached to the top surface of the shiftframe and pro1ects forwardly over the rear end of the said lever.
  • a key-lever 28, for operating the columnstop devices, is mounted on the pivot-rod 2%, so as to swing on an axis concentric with the pivot of the lever 22, and projects forward from said bracket.
  • Said'keylever is provided with a stud 29 whichv projects from the right-hand face thereof in position to engage the under side or lower edge of the forwardly projecting arm 25 on the lever 22.
  • Said key-lever 28 is connected with the upwardly, extending arm 26 of the lever by means of a contractile, coiled spring 30 connected at one end with said arm 26 and at its opposite end with a stud 31 affixed to and projecting from the right-hand side of said key-lever.
  • Said key-lever 28 is provided with a coiled lifting spring 32, which is connected at its lower end with the stud 31 and at its upper end with an arm 33, attached to the bracket 17,
  • the key-lever 28 is held'normally in its elevated position by the spring 32, and said keydever is provided at its rear or pivoted end with an upwardly extending, rigid arm 35 the upper end of which acts on a horizontally arranged Connecting bar 36, engaging the upper end of the escape-wheel shaft 13.
  • Said arm 35 is connected with said bar 36 by means of a longitudinal slot in said bar through which the upper end of said arm of the key-lever upwardly projects; the front and rear edges of the arm being adapted for contact with the opposite ends of the said slot, which is made long enough to afford a slight degree of lost motion between the key-lever and the said bar.
  • said key-lever 28 is depressed by downward pressure of the finger on its key, the lever 22 and the stop-member ll thereon are swung or moved with the key-lever, through the action of the spring 30, so as to lift the stop-member into the path of the stop-members 20 on the carriage.
  • the spring-barrel 40 of the machine contains the carriage-actuating spring, and motion is communicated from said spring-barrel to the carriage by a flexible connectihg member 41 in a familiar manner.
  • Said spring-barrel-4O is mounted on the upper face of the horizontal top-plate 6 of the machine base, near the rear of said-base and at the left-hand side of the same.
  • the spriugharrel is shown as provided with a worm-gear, consisting of a horizontal wornr 1,1 ionae shaft 42 and gear-wheel 43, by which the tension of the carriage-actuating spring may be adjusted.
  • the gear-wheel 43 is located beneath the spring-barrel, and the wormshaft 43 is mounted in a hub 44, formed on a horizontal plate 1-5 attached to the plate 6, beneath the spring-barrel.
  • a segmental plate or ring 48, constituting a brake-member, is located horizontally beneath the spring-barrel.
  • Said brake-member i6 is loosely connected at one point with the machine base, through the medium of an up wardly projecting, fixed arm 17 formed on the plate l5 and located at one side of the spring-barrel; the upper end of said arm 4-? being inserted in an aperture in the brakemember l6, and being provided with up wardly facing shoulders, below the brakemember, adapted to support the latter at a short distance below the spring-barrel.
  • the plate constituting the brakemember is provided with an arm 48, the outer end of which is arranged horizontally and adjacent to the top-plate of the base.
  • the ends of the segmental plate 46 terminate at diametrically opposite ends of the springbarrel, and are bent upwardly to form two bearing members or brakeshoes d9, Q9.
  • the brake-shoes d9, 49, and the outer end of the arm 47 are adapted to move or swing vertically by the swinging of the brake-member on the upper end of the arm t? as a hearing or pivot.
  • the brake-member i6 is operated or actuated, from the column-stp key-lever 28, by means as follows: Mounted within the hollow base of the machine, below the level of the key-levers 8, 8, and therefore-at a considerable distance below the horizontal top plate of the base, is a motion-transmitting lever consisting of a horizontal rock-shaft 50, extending transversely of the machine and provided at its ends with two rigid arms 51 and 52, the outer ends or which are adapted to have vertical swinging movement in the turning of the said rock-shaft.
  • the said rock-shaft is shown as mounted at its'ends in two brackets 53 and 54 which are attached to and depend from a fixed framebar 55 which extends transversely of the machine beneath the key-levers 8, 8, as shown in the prior patent, No. 903,823, granted to T. L. Knapp, November 10, 1908.
  • the lever arm 51 extends forwardly from the rockshaft 50, and its forward or swinging end is located vertically beneath the column-stop key-lever 28.
  • the lever-arm 52 extends rearwardly from said rock-shaft and its rear end is located beneath the spring-barrel ill,
  • The/forward end of the lever-arm 51 is connected with the said key-lever 28, by means of a vertically arranged link 56, which is pivoted at its upper end to the said key-lever and at its lower end to said lever-arm.
  • Said link serves to transmit movement from the said key-lever 28 to the lever-arm 51, so that when the key-lever is depressed for the purpose of effecting the releaseot the carriage and the interposition of the movable stopmember in the path of one of the stops on the carnage, the said lever-arm 51 will be depressed and the rearwardly extending stop key-lever, the brake-shoes will be lifted and pressed into contact with.
  • the brake-device will operate equally well, whether the shift-frame be at its intermediate position, or at either the forward or rear limit or" its shitting movement, such as takes place in shifting the platen into position for printing from either one of the three types carried by each type-bar in a machine of this character.
  • a brake-device for a column-stop or tabulating mechanism may be used in connection with carriage-releasing means different from that illustrated, and may be variously modified in practice with regard to its details of construction, without departing from the spirit of my invention,
  • a hollow base consisting of a horizontal top-wall and side walls, keylevers located below the level of the top-wall, a shift-frame mounted on the base above the top-wall, a paper-carriage mounted on the shift-frame, means actuating the carriage tor letter-spacing, embracing a springdcarcomprising a pivoted actuating" lever mount ed within the hollow base below the said key-lever, and having vertically swinging arms, one of which extends forwardly to a point vertically below the said hey-lever, and the other of which extends rearwardly to a point below the brake-mechanism, a ver-- tically arranged linlr having pivotal connection at its upper end with the said hey lever, and at its lower end with the f0rwardly extending arm of the actuating lever, and means for transmitting motion from the rearwar lly extending arm of said actuating lever to the brake mechanism,
  • a typewriting machine the combination with a hollow base having a top-wall, ot a shiftlrame, a paper-carriage mounted on the shift-frame, means actuating the carriage for letter-spacing, embracing a pringbarrel mounted on the rear part of the base above the top-wall, a, column-stop key-lever mounted on the shift-frame, a brake-member connected with the top plate of the base and adapted to bear against the lower surface of the spring-barrel, a pivoted actuating lever mounted on the machine frame below the top plate and having" vertically swinging arms, one oil which extends forwardly to a point below the.

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Description

C. G. POOLE.
COLUMN STOP MECHANISM FOR TYPE WRITING MACHINES. APPLICATION FI LED JAN/19 1914.
1,1 10,144. 1 Patented Sept. 8, 1914.
3 SHEETSSHEET 1.
0J0. POOLE.
COLUMN STOP MECHANISM FOR TYPE WRITING MACHINES.
A PPLICATION FILED JAN. 19, 1914.
' 1,1 10,144 Patented Sept. 8, 1914.
3 SHEBTS-SH'EBT 2.
67/62/756 0/07P77C6P00 Ze G. C. POOLE.
COLUMN STOP MECHANISM FOR TYPE WRITING MACHINES.
' 'APPLIGATION FILED JAN. 19, 1914. i 1 1 1 O, 1 44. Patented Sept. 8, 1914.
. 3 SHBETSS HEET 3.
5 Q 44 45 J J7 7727773553 45 1722/4972???" P 3% W 33 y m flaw UNITED STA PATENT @FFIQE.
CHARLES CLARENCE POOLE, 0F WINNETKA, ILLINOIS, ASSIGNOB, TO THE OLIVER TYPEWRITER COMPANY, OF CHICAGO, ILLINOIS, A CORPORATION OF ILLINOIS.
COLUMN-STOP MECHANISM FOR TYPE-WRITING MACHINES.
Specification of Ietters Patent.
Patented Sept. 8, 1914.
Application filed January 19, 1914. Serial No.-812,958.
panying drawings, and to the letters of reference marked thereon, which form a part of this specification.
'This invention relates to an improved tabulating or column stop mechanism for typewritingmachines designed to effect the release of the carriage from the control of the usual letter-spacing devices and permit the carriage to move,under the action of its actuating spring, to a predetermined point or points, at which the movement of the carriage is arrested, for the purpose of printing a series of items or numbers in one or more vertical lines or columns upon the sheet.
The invention relates more particularly to that class of column stop devices which embrace a spring-barrel through which the carriage 'is actuated anda brake-mechanism,
operated by. the column-stop key-lever, and
acting on the spring-barrel for preventing undue shock or jar when the motion of the carriage is arrested by the action of the column-stopdevices.
The invention is herein shown as applied to a typewriting machine of the kind known as the Oliver machine, but the features constituting my invention may be applied to machines of 0 her kinds.
The invention consists in the matters hereinafter set forth and pointed out in the appended'iclaims.
In the accompanying drawings illustrating my invention: Figure 1 is a plan view "of the machine frame, with the paper-carriage, type-bars and other parts removed,
showing only the parts to which the present invention relates; Fig. 2' is a view in central with the brake-device on the spring-barrel; Fig. 4 1s a view from beneath of the spring- .barrel and brake-shoe; Fig. 5 isa side View of the parts shown in Fig. 4.
As shown in said drawings, 5 (Figs. 1 and 2) indicates the main frame or base of a typewriting machine, and {1: indicates the shift-frame by which the paper-carriage is mmediately support ed and which has shiftmg movement backwardly 'and forwardly on said base. The paper-carriage has endwise or letter-space movement on said shiftframe and said shift-frame has backward and forward movement on the base to provide for shifting the platen in such manner as to bring the paper in position for receiving impressions from two or more types upon each type-bar of the machine. The base 5, as shown, consists of a horizontal top-plate 6, provided with depending marginal walls or flanges 7, forming a hollow frame member within which operative parts of the machine are located.
The key- levers 3, 3 of the machine are located beneath the horizontal top-plate 6 of the base 5, and the shift-frame 4: is mounted above the top-plate of the base, as'in the Oliver typewriting machine, as heretofore constructed. Said shift-frame isprovided' with front and rear horizontal guiderods lf-and 8, extending transversely of the machine, on which travel the supporting rollers of the carriage. The frame of said carriage embraces a forward longitudinal frame bar 10, which constitutes the rack-bar thereof and is provided on its front edge with rack teeth 11 which are engaged by a. gear-pinion 12 mounted on the upper end of an upright escape-wheel shaft 13 mounted on the forward part of the shift-frame.
Said escape-wheel shaft 13 forms part of the rack-bar of the paper-carriage is provided with a depending, longitudinal flange 18, provided at its lower edge with a plurality of notches. Mounted on said flange 18 are adjustable stop-members 20. A vertically movable stop-member 21 is attached to the rear end of a vertically swinging lever 22 mounted on the shift-frame. A vertically arranged plate 33 is attached to the forward end of the bracket 17, and said plate is provided with forwardly extending lugs through which is inserted a horizon tally arranged pivot-rod 2-1, forming a journal or hearing for the said lever 22. The lever 22 is provided at its forward or pivoted end with forwardly and upwardly projecting, rigid arms 25 and 26. To limit the upward swing of the lever 22when the stop- 4 member 2lis elevated and in the path of the stop-members 20, a horizontal stop-arm '27 is attached to the top surface of the shiftframe and pro1ects forwardly over the rear end of the said lever.
A key-lever 28, for operating the columnstop devices, is mounted on the pivot-rod 2%, so as to swing on an axis concentric with the pivot of the lever 22, and projects forward from said bracket. Said'keylever is provided with a stud 29 whichv projects from the right-hand face thereof in position to engage the under side or lower edge of the forwardly projecting arm 25 on the lever 22. Said key-lever 28 is connected with the upwardly, extending arm 26 of the lever by means of a contractile, coiled spring 30 connected at one end with said arm 26 and at its opposite end with a stud 31 affixed to and projecting from the right-hand side of said key-lever. Said. spring 30 tends to'draw the upper end of the arm 26 forward and to hold vthe arm 25 incont'act with the stud 29 on thekey-lever. Said key-lever 28 is provided with a coiled lifting spring 32, which is connected at its lower end with the stud 31 and at its upper end with an arm 33, attached to the bracket 17,
The key-lever 28 is held'normally in its elevated position by the spring 32, and said keydever is provided at its rear or pivoted end with an upwardly extending, rigid arm 35 the upper end of which acts on a horizontally arranged Connecting bar 36, engaging the upper end of the escape-wheel shaft 13. Said arm 35 is connected with said bar 36 by means of a longitudinal slot in said bar through which the upper end of said arm of the key-lever upwardly projects; the front and rear edges of the arm being adapted for contact with the opposite ends of the said slot, which is made long enough to afford a slight degree of lost motion between the key-lever and the said bar. lin the normal or elevated position of said key-lever 28, the upper end of its-arm 35 stands in a position intermediate between the ends of the slot in the connecting bar 16 (Fig. 2), so as to leave said bar free to be movedfor- \vardly with the upper end of the escape wheel shaft 13, when the latter is swung forwardly to disengage the pinion 12 from the carriage rack, in the operation of the carriage release device on the paper-carriage, usually employed in machines of this character. \Vhen said key-lever 28 is depressed by downward pressure of the finger on its key, the lever 22 and the stop-member ll thereon are swung or moved with the key-lever, through the action of the spring 30, so as to lift the stop-member into the path of the stop-members 20 on the carriage. The movement of said lever 22 with the key-lever continues until the upward movement of said lever is arrested by its contact with the stop arm 27, and, in the further downward movement of said key-lever, the arm 35 thereon will strike the outer end of the slot in the bar 36, when the upper end of the escape-wheel shaft will be drawn or shifted outwardly or forwardly, thereby releasing the pinion 122 from the carriage rack-bar and leaving the carriage free to travel or run toward the left, under the action of. the carriage-actuating spring, until its movement is arrested by contact of oneof the stops 20 with the stopmember 21. So far as described, the column-stop mechanism is like that heretofore used on said Oliver machine.
In order to avoid undue shock or jar when the movement of the carriage is arrested by the action of the columnstop mechanism,
means for retarding or controlling the speed of the paper-carriage, when released and allowed to run, as described is provided as follows: The spring-barrel 40 of the machine contains the carriage-actuating spring, and motion is communicated from said spring-barrel to the carriage by a flexible connectihg member 41 in a familiar manner. Said spring-barrel-4O is mounted on the upper face of the horizontal top-plate 6 of the machine base, near the rear of said-base and at the left-hand side of the same. The spriugharrel is shown as provided with a worm-gear, consisting of a horizontal wornr 1,1 ionae shaft 42 and gear-wheel 43, by which the tension of the carriage-actuating spring may be adjusted. The gear-wheel 43 is located beneath the spring-barrel, and the wormshaft 43 is mounted in a hub 44, formed on a horizontal plate 1-5 attached to the plate 6, beneath the spring-barrel. A segmental plate or ring 48, constituting a brake-member, is located horizontally beneath the spring-barrel. Said brake-member i6 is loosely connected at one point with the machine base, through the medium of an up wardly projecting, fixed arm 17 formed on the plate l5 and located at one side of the spring-barrel; the upper end of said arm 4-? being inserted in an aperture in the brakemember l6, and being provided with up wardly facing shoulders, below the brakemember, adapted to support the latter at a short distance below the spring-barrel. At the side of he barrel diametrically opposite the arm 27, the plate constituting the brakemember is provided with an arm 48, the outer end of which is arranged horizontally and adjacent to the top-plate of the base. The ends of the segmental plate 46 terminate at diametrically opposite ends of the springbarrel, and are bent upwardly to form two bearing members or brakeshoes d9, Q9. The brake-shoes d9, 49, and the outer end of the arm 47, are adapted to move or swing vertically by the swinging of the brake-member on the upper end of the arm t? as a hearing or pivot. These parts are so arranged that, by upward pressure on said arm 47, the brakeshoes d9, d9 willbe pressed upwardly against thebottom surface of the spring barrel, so as to afiord frictional resistance to the rotation of said barrel under the action of the carriage-actuating spring.
The brake-member i6 is operated or actuated, from the column-stp key-lever 28, by means as follows: Mounted within the hollow base of the machine, below the level of the key-levers 8, 8, and therefore-at a considerable distance below the horizontal top plate of the base, is a motion-transmitting lever consisting of a horizontal rock-shaft 50, extending transversely of the machine and provided at its ends with two rigid arms 51 and 52, the outer ends or which are adapted to have vertical swinging movement in the turning of the said rock-shaft. The said rock-shaft is shown as mounted at its'ends in two brackets 53 and 54 which are attached to and depend from a fixed framebar 55 which extends transversely of the machine beneath the key-levers 8, 8, as shown in the prior patent, No. 903,823, granted to T. L. Knapp, November 10, 1908. The lever arm 51 extends forwardly from the rockshaft 50, and its forward or swinging end is located vertically beneath the column-stop key-lever 28. The lever-arm 52 extends rearwardly from said rock-shaft and its rear end is located beneath the spring-barrel ill, The/forward end of the lever-arm 51 is connected with the said key-lever 28, by means of a vertically arranged link 56, which is pivoted at its upper end to the said key-lever and at its lower end to said lever-arm. Said link serves to transmit movement from the said key-lever 28 to the lever-arm 51, so that when the key-lever is depressed for the purpose of effecting the releaseot the carriage and the interposition of the movable stopmember in the path of one of the stops on the carnage, the said lever-arm 51 will be depressed and the rearwardly extending stop key-lever, the brake-shoes will be lifted and pressed into contact with. the springbarrel, thereby checking or retarding the rotary motion of the same and the endwise movement of the paper-carriage lt will be understood that, by reason of the location of the actuating lever- arms 51 and 52 below the key-levers, and near the level of the bottom of the hollow machine base, the link 56 will be of considerable length, and the pivot connecting said link with the lever-arm 51 is at such distance vertically below the key-lever 28, that the forward-and-backward shifting movement oi? the last named key-lever, with the shiftframe on which it is mounted, will give such slight vertical movement to, or shifting of the position of, the upper end of the said link, as to have substantially no eii'ect on the operation of the brake-mechanism.
in other words, by reason of the slight inclination given to the link at the extreme limit of the shifting movement of the shiftframe, the brake-device will operate equally well, whether the shift-frame be at its intermediate position, or at either the forward or rear limit or" its shitting movement, such as takes place in shifting the platen into position for printing from either one of the three types carried by each type-bar in a machine of this character.
A brake-device for a column-stop or tabulating mechanism, embracing the features of construction hereinbefore described, may be used in connection with carriage-releasing means different from that illustrated, and may be variously modified in practice with regard to its details of construction, without departing from the spirit of my invention,
movable on the shift-trams, a sprains-barrel moui d on the base-:traine, column-stop mechanism for releasing the carriage from the letterspacing mechanism and arresting its mo ment at a desired point, embracing ley-lever mounted on the shittdrame, brake mechanism adagted to act on the springbarrel, and means for actuating the brahemechanism embracing motion-transniittin means mounted on the base-frame at a distance below the said key-lever, and a. vertically arranged link having pivotal connection a its upper end with said key-lever and at. its lower end with the motioirtransmitting means, the upper end of said link being movable torw rdly and bacltwardly with the said key-lever in the shifting movement of the shi1tt-trame 2. la a typewriting machine, the combina tion or a base-frame, hey-levers, a shiftframe, a papercarriage movable on the shift-frame, a spring-barrel mounted on the base-frame, and column-stop mechanism for releasing the carriage from the letter-spacing mechanism and arresting its movement at a desired point, embracing a key-lever mounted on the shi'toframe, brake-1nechanisni mounted on the base-frame and acting on the spring-barrel, and means for actuat in the brake-mechanism embracing a mo rich-transmitting lever mounted on the baseframe below the said hey-lever, said lever having a vertically swinging arm located below the said key-lever, and'a vertically arranged lint: iivoted at its upper end to said key-lever and at its lower end to'the said arm, the upper end of said link being movable for rdly and baclrwardly with the said lrey-lever in the shifting movement of the shift-frame.
8. In a typewriting machine, the combination of a hollow base consisting of a horizontal top-wall and side walls, keylevers located below the level of the top-wall, a shift-frame mounted on the base above the top-wall, a paper-carriage mounted on the shift-frame, means actuating the carriage tor letter-spacing, embracing a springdcarcomprising a pivoted actuating" lever mount ed within the hollow base below the said key-lever, and having vertically swinging arms, one of which extends forwardly to a point vertically below the said hey-lever, and the other of which extends rearwardly to a point below the brake-mechanism, a ver-- tically arranged linlr having pivotal connection at its upper end with the said hey lever, and at its lower end with the f0rwardly extending arm of the actuating lever, and means for transmitting motion from the rearwar lly extending arm of said actuating lever to the brake mechanism,
4. In a typewriting machine, the combination with a hollow base having a top-wall, ot a shiftlrame, a paper-carriage mounted on the shift-frame, means actuating the carriage for letter-spacing, embracing a pringbarrel mounted on the rear part of the base above the top-wall, a, column-stop key-lever mounted on the shift-frame, a brake-member connected with the top plate of the base and adapted to bear against the lower surface of the spring-barrel, a pivoted actuating lever mounted on the machine frame below the top plate and having" vertically swinging arms, one oil which extends forwardly to a point below the. column-stop lacy-lever and the other of which extend rearwardly to a point below the spring-barrel, a vertically arranged link pivotally connected at its up per end with said key-lever and at its lower end with the forwardly extending arm of the actuating lever, and a Vertically arranged rod connected at its lower end with the rearwardly extending arm of said actuating lever and extending upwardly through the top-plate of the base, with its upper end in position to act on said brake-member.
In testimony, that I, claim the foregoing as my invention ll affix my signature in the presence of two witnesses, this 17th day of January A. l). 1914.
CHARLES CLARENCE PQQLF, Witnesses EUGENE C. WANN,
C. L. Pnornns,
lllll
US81295814A 1914-01-19 1914-01-19 Column-stop mechanism for type-writing machines. Expired - Lifetime US1110144A (en)

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