US1342489A - woodward - Google Patents

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US1342489A
US1342489A US27865719A US1342489A US 1342489 A US1342489 A US 1342489A US 27865719 A US27865719 A US 27865719A US 1342489 A US1342489 A US 1342489A
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space key
link
connections
dog
key
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Priority to US27865719 priority Critical patent/US1342489A/en
Priority to GB7724/20A priority patent/GB162488A/en
Priority to FR512532A priority patent/FR512532A/en
Priority to DER50006D priority patent/DE364057C/en
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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
    • B41J19/00Character- or line-spacing mechanisms
    • B41J19/18Character-spacing or back-spacing mechanisms; Carriage return or release devices therefor

Definitions

  • OSCAR WOODWARD OF BABYLON, NEW YORK, ASSIGNOB. TO REMINGTON TYPE- WRITER COMPANY, OF ILION, NEVI YORK, A CORPORATION OF NEW YORK.
  • My invention relates to typewriting machines and more particularly to means for controlling the dog carrier.
  • One of tliemain objects of my invention ⁇ is to provide highly effi cient means of the character specified.
  • More specifically considered the main objects of the invention are to provide highly eflicient means for effecting control of the escapement mechanism from the space key; to combine in an efficient manner such means with the means for controlling ⁇ the escapement from the printing means; to provide ei'iicient means whereby the normal position of the space key and its points of arrest may be varied at will without affecting the control of the escapement by the space key;
  • Fig. 2 is a fragmentary detail perspective view showing a part of the escapement controlling mechanism.
  • Fig. 3 is an enlarged detail fragmentary side view illustrating the adjustable means Specification of Letters Patent.
  • F 4 is a like view of the same showing a different adjustment of the parts.
  • Fig. 5 is a transverse sectional view of the same taken on the line v -x of Fig. 3 and looking in the direction of the arrow at said line.
  • Fig. 6 is a fragmentary detail rear elevation partly in section showing a modified form of returning spring for the space key connections.
  • Fig. 7 is a detail rear elevation partly in section and showing the universal bar and some of the connections to the dog carrier or rocker.
  • Fig. 8 is a detail perspective view of one of the padded brackets or stops for arresting the space key.
  • Fig. 9 is a detail perspective view of the adjustable plate or connecting device controlled from the space key.
  • Fig. l0 is a fragmentary rear elevation partly in section and showing the space key andthe adjustable means for noiselessly arresting it.
  • Fig. ll is a detail fragmentary side view illustrating a still further modification of the returning spring for the space key and connections, and the means for mounting andlconnecting said spring.
  • Fig. l2 is a detail fragmentary front view of some of the parts shown in Fig. ll.
  • Fig. is an enlarged detail fragmentary front view with parts in section of some of the members shown in Figs. ll and l2.
  • the frame of the machine comprises a base l. corner posts 2 and a top plate 3.
  • a suitably mounted power driven carriage travels over the top plate of the machine and carries a platen 4.
  • the step-by-step feed movement of the carriage is controlled by an escapement wheel 5 as indicated for example in the patent to George A. Seib. No. 1,289,934. dated Dee. si, i918.
  • the escapement wheel is under control of a loose dog 6 and a fixed dog 7, both carried by a dog carrier or rocker indicated as a whole by the reference numeral 8.
  • the construction of the dog rocker and the parts carried there by is the same, or substantially the same, in the present instance; as the corresponding parts in the aforesaid Seib patent and which will be hereinafter more specifically referred to.
  • Each printing key 9 is carried by a key lever 10 connected at 10n toan angular' sublever 11 fulcrumed at 12 to a cross bar 13 secured to the base of the machine.
  • the upper end of each sub-lever carries a laterallyl extending pin 14 received in a slot 15 in the heel et the associated type bar 16.
  • the segmentally arranged type bars are mounted on a pivot wire 17, carried by a type bar segment 13 and are adapted to move upwardly and rearwardly and strike against the'tront tace of the platen 4.
  • Each type bar works in the guide slot in the type bar segment, and is provided with a contact f edge 19 which coacts with a segmental universal bar 2O and moves the same rearwardly as a type bar approaches the printing position.
  • the universal bar is provided with a lug 21 ywhich carries a guide pin 22 that extends forwardly through a guide opening in the type bar segment.
  • a lug 21 y which carries a guide pin 22 that extends forwardly through a guide opening in the type bar segment.
  • two integral arms 23 pivoted at their rear ends. as at 24, to upright crank arms 25 which extend upwardly from a rock shaft 26. rlhis shaft is supported at its ends by coned pivot screws 27 held in depending arms 28 secured to the top plate of the machine.
  • a centrally disposed crank arm 29 extends upwardly from the rock shaft and is forked at its upper end, as ⁇ at 30.
  • a pin 31 extends between the two arms of the fork 30 and is received in an open-ended slot 32 in the forward end ot a link The torward forked end ot the link is thus received and guided in the slot Jformed between the arms oit the fork 30, and is supported by the pin 31.
  • VrIhis pin is normally seated against the bottom wall of the slot 32, so that a rearward movement of the crank arm 29 is effective to transmit a correspondmovement to the link 33.
  • this link is likewise forked as indicated at 34, the' prongs ot theV ttorks at opposite ends of the link extending in opposite directions.
  • the rear fork straddles the shank oie a headed pin which projects laterally from a depending arm 3G adjustably secured to the dog rocker, as fully shown and described in the above mentioned lleib patent.
  • the arm 3G is pivoted to tie dog rocker at 37 above the pivots 38 of the latter, and may be adjusted to different angular positions around said pivot 37 and secured in its adjusted position by a set screw rlfhe movements of the dog rocker around its pivots 38 to and from normal position are limited by the set screws or stops 40 and 4l respectively, said stops reo-acting with corresponding stop faces on the bracket 42 from which the dog rocker may be detached by loosening one ofthe screws 43 and withdrawing ⁇ the associated coned pivot pin 38.
  • the purpose of the above mentioned adjustment ot the arm 36 is to compensate for any variation that there may be in diHerent machines in the train of connections intermediate the universal bar and dog rocker, and to properly regulate the pull on the dog rocker in each machine.
  • a contractile spring 44 is connected at one end to a bracket arm 45, and at its opposite end to a screw 46 threaded into a tapped opening in the hub or the dog rocker.
  • a depression of a printing key is etective, through the associated type bar, to actuate the universal bar, the members 25-26-29, 33 and the dog rocker 8, such'parts being returned to normal position by the reaction oi the spring 44 when the printing key is released, and a letter space Jfeed of the carriaOfe is thus produced.
  • the escapement is controlled from the space key 47 by a separate train oi connections which ezrtends from said space key up to and coacts with the link 33, and includes certain adjustable devices as will now be pointed out.
  • the space key 47 is connected at each end to a rearwardly extending crank arm 48 secured to a rock-shaft 49 mounted at its ends on screw pivots in the base of the frame.
  • the space key 47, arms 48 and rock shaft 49 thus in effect constitute a rectangular pivoted frame.
  • This crank arm comprises a part 51 xedly secured to the rock shaft, and preferably formed as a forging with an enlargement 52, as shown.
  • the second part of the crank arm comprises a sheet metal plate-like member 53 pivotally connected at one end, as at 54, to the arm 51.
  • the upper end of the member 53 extends beyond the end of the arm 51 as a prolongation thereof, and carries at its upper end a laterally projecting headed pin 55.
  • the member 53 is formed with aradial slot 56 therein.
  • A-screw 57 is formed with an eccentric head 58, the stem of the screw being received in a tapped opening in the part 52, whereas, the head off the screw is received in the slot 56, the diameter ot the head corresponding to the width ot the slot.
  • An adjustment of the screw or eccentric from the Fig. 3 to the F ig. 4k position is effective to adjust the member 53 in one direction from the central position (shown in Fig. 3) around the pivot 54.
  • An adjustment of the screw 57-58 in the opposite direction is effective to bring about a corresponding adjustment of the member 53 in the opposite direction.
  • said member In order to hold the member 53 in its adjusted position relatively to the arm 51, said member is provided with a segmental slot 59 formed in an arc of which the pivot 54 is the center.
  • the stem of a headed binding screw 60 passes through said slot and is received in a tapped opening in the member 51.
  • the head of the binding screw is adapted to bear against the outer side of the part 53 when the screw is turned in, and to bind said member against the side face of the part 52, thus holding the part 53 against movement around its pivot 54.
  • the headed pin 55 is straddled by the lower forked end 61 of a lever 62.
  • This lever is apertured to receive a shouldered pivot screw 63, threaded into a hub 64 which extends laterally from a bracket arm 65, secured by screws 66 to the top plate.
  • the upper end of the lever 62 projects in front of, and preferably normally in contact with, a laterally projecting lug 67 formed on the link 33.
  • a guide comb 70 is fixed to the base of the machine, and has the usual guide slots 71 for coperation with the key levers' of the printing keys 9.
  • enlarged spaces 72 are provided so that the side walls of spaces 72 are at all times maintained free from contact with the arms 48, and lateral play of the arms will not bring them into contact with the comb, thus preventing rattling and enabling the space key to be noiselessly arrested as will hereinafter appear.
  • a hub 76 is secured to the bracket 65 by a headed shouldered rivet 77 which constitutes the pivot for the lever 62.
  • T he hub is formed with a peripheral substantially V-shaped groove 78 therein which occupies substantially the entire widthwise dimensions of the hub.
  • the hub maintains the lever spaced apart from the arm of the bracket 65 and forms a bearing for a wire returning spring 79.
  • the spring intermediate its ends is formed with an arc-like portion 8U, the curvature of which conforms substantially 'to the curvature of the hub at the bottom of the groove 78 in which the spring is seated.
  • the upper end of the spring is formed with a hook 8l adapted to engage around one edge of the arm of the bracket 65.
  • the opposite end of the spring is bent at 32, as best shown in Fig. 12, and said bent end is passed through an opening 82a in the lever 62.
  • This construction is such that the spring may be readily connected to the associate parts and mounted in place, and may as readily be detached when desired.
  • the grooved hub constitutes a centering device, for properly maintaining the spring centered in the space between the lever 62 and the arm of the bracket where it will not interfere with the operation of the lever or the link 33. Any tendency toward an accidental lateral displacement of the spring is resisted by the walls of the grooved hub in which it is seated.
  • the link 33 normally extends above and out of contact with a ribbon spool shaft 97 which extends transversely across the machine. It will also be seen that the formation of the link 33 is such that it provides a shoulder 98 in front of said shaft. If for any reason it is found desirable to detach the dog rocker from the machine one of the screws 43 is backed up, the corresponding pivot 38 is moved back and the rocker may be removed, the pin 35 moving freely from the open ended slot or fork 34 in the link 33. At this time the rear end of the link is free to drop until the link hears against the shaft 97.
  • the shoulder 98 in the link will prevent it from being accidentally moved rearwardly far enough to detach the link from the arm 29, and prevent the link from being displaced out of cooperative relation with the parts with which it coacts.
  • the pin 35 may again be introduced into the fork 34 and the dog rocker replaced on its pivot pins 38.
  • a typewriting machine the combination of type bars, a universal bar controlled thereby, a dog carrier, intermediate operative connections between said universal bar and-dog carrier that enable the universal bar to move the dog carrier and enable the dog carrier to be moved independently of the universal bar, a space key, .a crank arm controlled thereby, operative connections intermediate said crank arm and a member of said rst mentioned connections and including adjustable means through which said member of the first mentioned connections and the dog carrier may be operated independently of the universal bar by an actuation of the space key.
  • a dog carrier In a typewriting machine, the combination of a dog carrier; a space key; a rock shaft by which said space key is carried; a crank arm fixed to said rock shaft; and intermediate operative actuating connections between said crank arm and dog carrier including a member carried by and adjustable on said crank arm.
  • a dog carrier a space key; a rock shaft by which said space key is carried; a crank arm xed to said rock shaft; and intermediate operative actuating connections between said crank arm and dog carrier including a member pivoted on said crank arm, and means for holding said member in the different set positions to which it may be adjusted on said arm around the pivot of said member.
  • a dog carrier having a radial slot and also an arc-like slot therein, an eccentric received in said radial slot for adjusting said member, and a headed binding screw received in said arclike slot for holding the member against aecidental displacement from the position to which it is adjusted.
  • a dog carrier for arresting the return stroke of said key and for affording an adjustment thereof to different normal positions
  • adjustable stop means for arresting the return stroke of said key and for affording an adjustment thereof to different normal positions
  • intermediate operative actuating connections between said space key and dog carrier and means for effecting a relative adjustment between members of said connections to compensate for the adjustment of the space key.
  • a typewriting machine the combination of type bars, a universal bar controlled thereby, a dog carrier, intermediate actuating connections between said universal bar' and dogcarrier including a link that is moved by said universal bar and is free to be moved independently thereof, a space key, and operative connections from said space key that coact directly with said link to move it and the dog carrier independently of the universal bar.
  • a typewriting machine the combination of type bars, a universal bar controlled thereby, a crank arm controlled by thc universal bar and carrying a pin, a dog carrier having a pin, a link forked at one end to co-act with the pin on the crank arm and forked at the other end to co-act with the pin on the dog carrier, a space key, and a crank arm controlled by said Vspace key and cooperative with the link to move it and the dog carrier independently of the universal bar and to afford a movement ⁇ of the link by the universal bar independently of the space key controlled crank arm.
  • a space key a rock shaft which carries said space key, a crank arm carried lessly arresting both the downstroke and the upstroke of said space key
  • said means comprising a set of two brackets having oppositely inclined contact faces, and a second set of two co-acting brackets having oppositely inclined padded arms which co-act with the first mentioned brackets, each pad serving to cushion both the down stroke and the up stroke of the space key.
  • a space key and means for noiselessly arresting both the downstroke and the upstroke of said space key, said means comprising a set of two brackets having oppositely inclined contact faces, a second set of two co-acting brackets having oppositely inclined padded arms which co-act with the first mentioned brackets, and means for affording an independent relative adjustment between the brackets of one set.
  • a space key and means for noiselessly arresting both the downstroke and the upstroke of said space key, said means comprising a set of two brackets having oppositely inclined contact faces, a second set of two co-acting brackets having oppositely inclined padded arms which co-act with the first mentioned brackets, and means for affording a rectilinear bodily adjustment between the brackets of one set toward and away from each other.
  • a space key and means for noiselessly arresting both the downstroke and the upstroke of said space key
  • said means comprising a set of two brackets carried by the space key and having oppositely inclined contact faces, each of which eX- tends downwardly and outwardly toward a side of the machine, and a second set of coacting brackets carried by the frame of the machine and having oppositely inclined padded arms which coact with the brackets on the space key, the said arm of each bracket of the second set being inclined upwardly and inwardly toward the center of the machine.
  • a space key and means for noiselessly arresting ⁇ both the downstroke and the upstroke of said space key
  • said means comprising a set of two brackets carried by the space key and having oppositely inclined contact faces, each of which extends downwardly and outwardly toward a side of the machine, a second set of coacting brackets carried by the frame of the machine and having oppositely inclined padded arms which coact with the brackets on the space key, the said arm of each bracket of the second set being inclined upwardly and inwardly toward the center of the machine, and means for affording a relative adjustment of the brackets of the one set towarc and away from each other.
  • the combination of a space key, and means for noiselessly arresting both the downstroke and the upstroke of said space key comprising a set of two brackets having oppositely inclined contact faces, and a second set of two coacting brackets having oppositely inclined padded arms which coact with the first mentioned brackets, each padded arm extending between two arms of a bracket of the other set, the coperating inclined contact faces coacting to limitthe stroke of the space key in only one direction.
  • a typewriting machine 'the combination of a pivoted actuating member, a grooved centering device adjacent to the pivot of said actuating member, and a spring seated intermediate its ends in the groove of said centering device and cennected at one end to said member and at its opposite end to a iXed point.

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Description

0. WOODWARD.
TYPEWRITING MACHINE. APPLICATION man Fea. 24. 1919.
Patented June 8, 1920.;
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H15 ATTUHNEY 0. WOODWARD.
TYPEWRH'ING MACHINE.
APPLICATION FILED FEB. 24, |919.
1,342,489. I PatentedJuneS, 1920.
4 SHEETS-SHEET 3.
WITNEEEEE v INVENTH M #fw of VMM. `l @22M LM MM HE ATTURNEY UNITED STATES PATENT OFFICE.
OSCAR WOODWARD, OF BABYLON, NEW YORK, ASSIGNOB. TO REMINGTON TYPE- WRITER COMPANY, OF ILION, NEVI YORK, A CORPORATION OF NEW YORK.
TYPEVTRITIN G-MACHINE.
Application filed February 24, 1919.
To all whom it may concern.'
Be it known that I, OSCAR Woonwnno, a citizen of the United States7 and resident of Babylon, in the county of Suffolk and State of New York; have invented certain new and useful Improvements in Typewriting- Machines; of which the following is a specification.
My invention relates to typewriting machines and more particularly to means for controlling the dog carrier.
One of tliemain objects of my invention` generally stated, is to provide highly effi cient means of the character specified.
More specifically considered the main objects of the invention are to provide highly eflicient means for effecting control of the escapement mechanism from the space key; to combine in an efficient manner such means with the means for controlling` the escapement from the printing means; to provide ei'iicient means whereby the normal position of the space key and its points of arrest may be varied at will without affecting the control of the escapement by the space key;
to provide means for noiselesslyy arresting parts of such controlling mechanism; to provide means whereby the parts may be quickly and effectively assembled, andeasily detached and removed when desired; and to provide efcient means by which relative adjustments between the parts may. be effected to compensate for variation that may be found in different machines, or dif ferent requirements in the use of such machines.
To the above and other ends which will hereinafter appear my invention consists of the features of construction, arrangements of parts and combinations of devices set forth in the following specification and particularly pointed out in the annexed claims.
ln the accompanying drawings, wherein like reference characters represent corresponding parts in the various viewsJ Figure l is a fragmentary fore and aft vertical central sectional view of a sufcient number of parts of one form of typewriting machine to illustrate my invention in its embodiment therein.
Fig. 2 is a fragmentary detail perspective view showing a part of the escapement controlling mechanism.
Fig. 3 is an enlarged detail fragmentary side view illustrating the adjustable means Specification of Letters Patent.
Patented Julie 8, 1920.
Serial No. 278,657.
in the train of connections from the key.
F 4 is a like view of the same showing a different adjustment of the parts.
Fig. 5 is a transverse sectional view of the same taken on the line v -x of Fig. 3 and looking in the direction of the arrow at said line.
Fig. 6 is a fragmentary detail rear elevation partly in section showing a modified form of returning spring for the space key connections.
Fig. 7 is a detail rear elevation partly in section and showing the universal bar and some of the connections to the dog carrier or rocker.
Fig. 8 is a detail perspective view of one of the padded brackets or stops for arresting the space key.
Fig. 9 is a detail perspective view of the adjustable plate or connecting device controlled from the space key.
Fig. l0 is a fragmentary rear elevation partly in section and showing the space key andthe adjustable means for noiselessly arresting it. Fig. ll is a detail fragmentary side view illustrating a still further modification of the returning spring for the space key and connections, and the means for mounting andlconnecting said spring.
Fig. l2 is a detail fragmentary front view of some of the parts shown in Fig. ll.
Fig. is an enlarged detail fragmentary front view with parts in section of some of the members shown in Figs. ll and l2.
The frame of the machine comprises a base l. corner posts 2 and a top plate 3. A suitably mounted power driven carriage travels over the top plate of the machine and carries a platen 4. The step-by-step feed movement of the carriage is controlled by an escapement wheel 5 as indicated for example in the patent to George A. Seib. No. 1,289,934. dated Dee. si, i918. The escapement wheel is under control of a loose dog 6 and a fixed dog 7, both carried by a dog carrier or rocker indicated as a whole by the reference numeral 8. The construction of the dog rocker and the parts carried there by is the same, or substantially the same, in the present instance; as the corresponding parts in the aforesaid Seib patent and which will be hereinafter more specifically referred to.
space Each printing key 9 is carried by a key lever 10 connected at 10n toan angular' sublever 11 fulcrumed at 12 to a cross bar 13 secured to the base of the machine. The upper end of each sub-lever carries a laterallyl extending pin 14 received in a slot 15 in the heel et the associated type bar 16. The segmentally arranged type bars are mounted on a pivot wire 17, carried by a type bar segment 13 and are adapted to move upwardly and rearwardly and strike against the'tront tace of the platen 4. Each type bar works in the guide slot in the type bar segment, and is provided with a contact f edge 19 which coacts with a segmental universal bar 2O and moves the same rearwardly as a type bar approaches the printing position. The universal bar is provided with a lug 21 ywhich carries a guide pin 22 that extends forwardly through a guide opening in the type bar segment. Projecting rearwardly from the universal bar are two integral arms 23 pivoted at their rear ends. as at 24, to upright crank arms 25 which extend upwardly from a rock shaft 26. rlhis shaft is supported at its ends by coned pivot screws 27 held in depending arms 28 secured to the top plate of the machine.
A centrally disposed crank arm 29 extends upwardly from the rock shaft and is forked at its upper end, as `at 30. A pin 31 extends between the two arms of the fork 30 and is received in an open-ended slot 32 in the forward end ot a link The torward forked end ot the link is thus received and guided in the slot Jformed between the arms oit the fork 30, and is supported by the pin 31. VrIhis pin is normally seated against the bottom wall of the slot 32, so that a rearward movement of the crank arm 29 is effective to transmit a correspondmovement to the link 33. The rear end `et this link is likewise forked as indicated at 34, the' prongs ot theV ttorks at opposite ends of the link extending in opposite directions. The rear fork straddles the shank oie a headed pin which projects laterally from a depending arm 3G adjustably secured to the dog rocker, as fully shown and described in the above mentioned lleib patent. Thus, the arm 3G is pivoted to tie dog rocker at 37 above the pivots 38 of the latter, and may be adjusted to different angular positions around said pivot 37 and secured in its adjusted position by a set screw rlfhe movements of the dog rocker around its pivots 38 to and from normal position are limited by the set screws or stops 40 and 4l respectively, said stops reo-acting with corresponding stop faces on the bracket 42 from which the dog rocker may be detached by loosening one ofthe screws 43 and withdrawing` the associated coned pivot pin 38.
As pointed out in the said Seib patent the purpose of the above mentioned adjustment ot the arm 36 is to compensate for any variation that there may be in diHerent machines in the train of connections intermediate the universal bar and dog rocker, and to properly regulate the pull on the dog rocker in each machine.
In order to return the dog rocker, the universal bar, and the intermediate operative connections between the two, to normal position, a contractile spring 44 is connected at one end to a bracket arm 45, and at its opposite end to a screw 46 threaded into a tapped opening in the hub or the dog rocker.
A depression of a printing key is etective, through the associated type bar, to actuate the universal bar, the members 25-26-29, 33 and the dog rocker 8, such'parts being returned to normal position by the reaction oi the spring 44 when the printing key is released, and a letter space Jfeed of the carriaOfe is thus produced.
The escapement is controlled from the space key 47 by a separate train oi connections which ezrtends from said space key up to and coacts with the link 33, and includes certain adjustable devices as will now be pointed out. The space key 47 is connected at each end to a rearwardly extending crank arm 48 secured to a rock-shaft 49 mounted at its ends on screw pivots in the base of the frame. The space key 47, arms 48 and rock shaft 49 thus in effect constitute a rectangular pivoted frame. A centrally disposed upwardly and rearwardly extending two-part crank arm or member, designated as a whole by the reference numeral 50, projects from the rock-shaft. This crank arm comprises a part 51 xedly secured to the rock shaft, and preferably formed as a forging with an enlargement 52, as shown. The second part of the crank arm comprises a sheet metal plate-like member 53 pivotally connected at one end, as at 54, to the arm 51. The upper end of the member 53 extends beyond the end of the arm 51 as a prolongation thereof, and carries at its upper end a laterally projecting headed pin 55. In order that the member' 53 may be adjusted around its pivot 54, and held against accidental displacement relatively to the arm 51, I have constructed the parts as follows: The member 53 is formed with aradial slot 56 therein. A-screw 57 is formed with an eccentric head 58, the stem of the screw being received in a tapped opening in the part 52, whereas, the head off the screw is received in the slot 56, the diameter ot the head corresponding to the width ot the slot. An adjustment of the screw or eccentric from the Fig. 3 to the F ig. 4k position is effective to adjust the member 53 in one direction from the central position (shown in Fig. 3) around the pivot 54. An adjustment of the screw 57-58 in the opposite direction is effective to bring about a corresponding adjustment of the member 53 in the opposite direction. In order to hold the member 53 in its adjusted position relatively to the arm 51, said member is provided with a segmental slot 59 formed in an arc of which the pivot 54 is the center. The stem of a headed binding screw 60 passes through said slot and is received in a tapped opening in the member 51. The head of the binding screw is adapted to bear against the outer side of the part 53 when the screw is turned in, and to bind said member against the side face of the part 52, thus holding the part 53 against movement around its pivot 54.
The headed pin 55 is straddled by the lower forked end 61 of a lever 62. This lever is apertured to receive a shouldered pivot screw 63, threaded into a hub 64 Which extends laterally from a bracket arm 65, secured by screws 66 to the top plate. The upper end of the lever 62 projects in front of, and preferably normally in contact with, a laterally projecting lug 67 formed on the link 33.
The space key and the parts connected therewith are returned to normal position by a suitable spring or springs. ln the construction shown in Figs. l and 2 one end of a contractile spring 68 is connected to each of the crank arms 48, the opposite end of each spring being connected to a depending pin 69 carried by a cross bar on the base of the machine.
In Figs. 6, 11 and 12 1 have shown other forms of springs and means for mounting and connecting the same. as will hereinafter appear.
It will be understood that a depression of the space key is effective to rock the shaft 49, and through the two-part crank arm 50, rock the lever 62 moving the upper end of the latter rearwardly. The effect of this is to produce a rearward endwise movement of the link 33 to actuate the dog rocker. It Will be understood that at this time the link 33 moves independently of the crank arm 29, so that the latter and the parts intermediate said arm and the universal bar remain at rest, thus relieving the space key of the load of the universal bar and its conncctions back to the link It will also be understood that when the escapement is actuated from a. printing key 9 as hereinbefore described, the space key and its entire train of connections up to the link 33 remain at rest, so that the load of these parts is notborne by printing keys and offers no resistance thereto.
From an inspection ofv Figs. l and 2 it will be seen that a guide comb 70 is fixed to the base of the machine, and has the usual guide slots 71 for coperation with the key levers' of the printing keys 9. However, Where the arms 48 of the space key pass through the guide comb enlarged spaces 72 are provided so that the side walls of spaces 72 are at all times maintained free from contact with the arms 48, and lateral play of the arms will not bring them into contact with the comb, thus preventing rattling and enabling the space key to be noiselessly arrested as will hereinafter appear.
Referring particularly to Fig. 6, it will be understood that the returning springs 68, shown in Figs. l and 2, are replaced by a single wire spring 73 formed with a coil which passes around the hub 64, and at one end 74 is hooked around one edge of the lever 62, whereas the opposite end 75 of the spring is hooked around one edge of the bracket 65. The reaction of this spring returns the lever 62 and the parts connected therewith, including the space key to normal position.
rlhe preferred form of returning spring and mounting is shown in Figs. 11, l2 and 13, from which it will be seen that a hub 76 is secured to the bracket 65 by a headed shouldered rivet 77 which constitutes the pivot for the lever 62. T he hub is formed with a peripheral substantially V-shaped groove 78 therein which occupies substantially the entire widthwise dimensions of the hub. The hub maintains the lever spaced apart from the arm of the bracket 65 and forms a bearing for a wire returning spring 79. The spring intermediate its ends is formed with an arc-like portion 8U, the curvature of which conforms substantially 'to the curvature of the hub at the bottom of the groove 78 in which the spring is seated. The upper end of the spring is formed with a hook 8l adapted to engage around one edge of the arm of the bracket 65. The opposite end of the spring is bent at 32, as best shown in Fig. 12, and said bent end is passed through an opening 82a in the lever 62. This construction is such that the spring may be readily connected to the associate parts and mounted in place, and may as readily be detached when desired. lt will be understood that the grooved hub constitutes a centering device, for properly maintaining the spring centered in the space between the lever 62 and the arm of the bracket where it will not interfere with the operation of the lever or the link 33. Any tendency toward an accidental lateral displacement of the spring is resisted by the walls of the grooved hub in which it is seated.
lThe character of the operators touch often determines the desired normal height of the space key with reference to the first row of printing keys, and also in some 'instances determines the extent of dip which the .space key should have. @ne such position of the space key is shown in F ig. 1. Some opermediate said key and the link 33, so that the upper end of the lever 62 will stand normally in the same relation to the lug 67 on the link 33 at all times. It is to meet these different requirements therefore that the adjustable means disclosed in detail in Figs. 3 and 4 are provided, and so that the control of the escapement may be effected in a like manner from the space key that it is from a printing key, although through two separate trains of connections and irrespective of the independent adjustments required in each train for conditions which are peculiar to each train.
From an inspection of Fig. l it will be seen that the link 33 normally extends above and out of contact with a ribbon spool shaft 97 which extends transversely across the machine. It will also be seen that the formation of the link 33 is such that it provides a shoulder 98 in front of said shaft. If for any reason it is found desirable to detach the dog rocker from the machine one of the screws 43 is backed up, the corresponding pivot 38 is moved back and the rocker may be removed, the pin 35 moving freely from the open ended slot or fork 34 in the link 33. At this time the rear end of the link is free to drop until the link hears against the shaft 97. The shoulder 98 in the link will prevent it from being accidentally moved rearwardly far enough to detach the link from the arm 29, and prevent the link from being displaced out of cooperative relation with the parts with which it coacts. The pin 35 may again be introduced into the fork 34 and the dog rocker replaced on its pivot pins 38. These and other features of the construction enable the parts to be quickly and accurately assembled and facilitates replacement or repair.
What I claim as new and desire to secure by Letters Patent, is:
l. In a typewriting machine, the combination of type bars, a universal bar controlled thereby, a dog carrier, intermediate operative connections between said universal bar and dog carrier, a space key, a rock shaft to which said space key is connected, and adjustable operative actuating connections between said space key and the connections intermediate the universal bar and the dog carrier.
2. In a typewriting machine, the combination of type bars, a universal bar controlled thereby, a dog carrier, intermediate operative connections between said universal bar and-dog carrier that enable the universal bar to move the dog carrier and enable the dog carrier to be moved independently of the universal bar, a space key, .a crank arm controlled thereby, operative connections intermediate said crank arm and a member of said rst mentioned connections and including adjustable means through which said member of the first mentioned connections and the dog carrier may be operated independently of the universal bar by an actuation of the space key.
3. In a typewriting machine, the combination of type bars, a universal bar controlled thereby, a dog carrier, intermediate operative connections between said universal bar and dog carrier, said connections including adjustable means, a space key, means for affording an adjustment of said space key, dog carrier actuating means controlled by the space key and including adjustable means for compensating for an adjustment of the space key and said lirst mentioned adjustable means.
4. In a typewriting machine, the combination of a dog carrier; a space key; a rock shaft by which said space key is carried; a crank arm fixed to said rock shaft; and intermediate operative actuating connections between said crank arm and dog carrier including a member carried by and adjustable on said crank arm.
5. In a typewriting machine, the combination of a dog carrier; a space key; a rock shaft by which said space key is carried; a crank arm xed to said rock shaft; and intermediate operative actuating connections between said crank arm and dog carrier including a member pivoted on said crank arm, and means for holding said member in the different set positions to which it may be adjusted on said arm around the pivot of said member.
6. In a typewriting machine, the combination of a dog carrier; a space key; and intermediate operative actuating connections between said space key and dog carrier, said connections including a pivoted member, an eccentric for adjusting said member to different set positions, and means ,for holding the member against accidental displacement from the position to which it is adjusted.
7. In a typewriting machine, the combination of a dog carrier; a space key; and intermediate operative actuating connections between said space key and dog carrier, said connections including a pivoted member having a slot therein, an eccentric for adjusting said member to different set positions, and a headed binding screw which is received in said slot and holds the member against accidental displacement from the position to which it is adjusted.
8. In a typewriting machine, the combination of a dog carrier; a space key; and intermediate operative actuating connections between said space key and dog carrier, said connections including a pivoted member having a radial slot and also an arc-like slot therein, an eccentric received in said radial slot for adjusting said member, and a headed binding screw received in said arclike slot for holding the member against aecidental displacement from the position to which it is adjusted.
9. In a typewriting machine, the combination of a dog carrier, a space key, adjustable stop means for arresting the return stroke of said key and for affording an adjustment thereof to different normal positions, intermediate operative actuating connections between said space key and dog carrier, and means for effecting a relative adjustment between members of said connections to compensate for the adjustment of the space key.
10. In a typewriting machine, the combination of type bars; a universal bar controlled thereby; a dog carrier; intermediate operative actuating connections between said Y universal bar and dog carrier, said connections including adjustable means; a space key; adjustable stop means for arresting said key and for affording an adjustment thereof to different normal positions; and operative connections from the space key for actuating the dog carrier, said last mentioned connections including adjustable means for compensating for the adjustment of the space key and said first mentioned connections.
11. In a typewriting machine, the combination of type bars, a universal bar controlled thereby, a dog carrier, intermediate actuating connections between said universal bar' and dogcarrier including a link that is moved by said universal bar and is free to be moved independently thereof, a space key, and operative connections from said space key that coact directly with said link to move it and the dog carrier independently of the universal bar.
12. In a typewriting machine, the combination of type bars, a universal bar controlled thereby, a dog carrier, intermediate actuating connections between said universal bar and dog carrier incliuling a link that is moved by said universal bar and is free to be moved independently thereof, a space key, a rock shaft controlled thereby, and intermediate operative connections between said rock shaft and link for moving the latter and dog carrier independently of the universal bar and for affording a movement of the link by the universal bar independently of' the connections vfrom the space key.
13. In a typewriting machine, the combination of type bars, a universal bar controlled thereby, a crank arm controlled by the universal bar and carrying a pin, a detachable dog carrier having a pin, a link forked at one end to co-act with the pin on the crank arm and forked at the other end to co-act with the pin on the dog carrier, whereby the dog carrier may be detached 'independently of said link, and means for preventing an accidental detachment of thc link from said crank arm and for supporting the link in position for reattaclnnent to the dog rocker.
111. In a typewriting machine, the combination of type bars, a universal bar controlled thereby, a crank arm controlled by thc universal bar and carrying a pin, a dog carrier having a pin, a link forked at one end to co-act with the pin on the crank arm and forked at the other end to co-act with the pin on the dog carrier, a space key, and a crank arm controlled by said Vspace key and cooperative with the link to move it and the dog carrier independently of the universal bar and to afford a movement `of the link by the universal bar independently of the space key controlled crank arm.
15. In a typewriting machine, the combination of a universal bar, a dog carrier, an intermediate link forked at one end to coact with a part controlled by the universal bar and forked at the other end to co-act with the dog carrier, a projection on said link, a space key, and an-Varm controlled by said space key and coacting with the projection on the link.
16. In a typewriting machine, the combination of a space key, a rock shaft which carries said space key, a crank arm carried by said rock shaft, an upright lever controlled by said crank arm, and a dog carrier distinct from but controlled by said lever.
17. In a 'typewriting machine, the combination of a space key, a rock shaft which carries said space key, a crank arm carried by said rock shaft, a lever controlled by said crank arm, a link controlled by said lever, and a dog carrier controlled by said link. j
18. In a typewriting machine, the combination of a space key, a rock shaft which carries said space key, a cran-k arm carried by said rock shaft, a lever controlled by said crank arm, a link controlled by said lever, a dog carrier controlled by said link, a universal bar, and independent connections therefrom for controlling said link.
19. In a typewriting machine, the combination of a space key, a rock shaft which carries said space key, a crank arm carried lessly arresting both the downstroke and the upstroke of said space key, said means comprising a set of two brackets having oppositely inclined contact faces, and a second set of two co-acting brackets having oppositely inclined padded arms which co-act with the first mentioned brackets, each pad serving to cushion both the down stroke and the up stroke of the space key.
21. In a typewriting machine, the combination of a space key, and means for noiselessly arresting both the downstroke and the upstroke of said space key, said means comprising a set of two brackets having oppositely inclined contact faces, a second set of two co-acting brackets having oppositely inclined padded arms which co-act with the first mentioned brackets, and means for affording an independent relative adjustment between the brackets of one set.
22. In a typewriting machine, the combination of a space key, and means for noiselessly arresting both the downstroke and the upstroke of said space key, said means comprising a set of two brackets having oppositely inclined contact faces, a second set of two co-acting brackets having oppositely inclined padded arms which co-act with the first mentioned brackets, and means for affording a rectilinear bodily adjustment between the brackets of one set toward and away from each other.
23. In a typewriting machine, the combination of a space key, and means for vnoiselessly arresting both the downstroke and the upstroke of said space key, said means comprising a set of two brackets having oppositely inclined contact faces, a second set of two co-acting brackets having oppositely inclined padded arms which co-act with the first mentioned brackets, the contact portion of each bracket of one set being individually adjustable up and down, and means for affording a relative rectilinear bodily adjustment between the brackets of this same set toward and away from each other. A
24. In a typewriting machine, the combination of a space key, and means for noiselessly arresting both the downstroke and the upstroke of said space key, said means comprising a set of two brackets carried by the space key and having oppositely inclined contact faces, each of which eX- tends downwardly and outwardly toward a side of the machine, and a second set of coacting brackets carried by the frame of the machine and having oppositely inclined padded arms which coact with the brackets on the space key, the said arm of each bracket of the second set being inclined upwardly and inwardly toward the center of the machine.
25. In a typewriting machine, the combination of a space key, and means for noiselessly arresting` both the downstroke and the upstroke of said space key, said means comprising a set of two brackets carried by the space key and having oppositely inclined contact faces, each of which extends downwardly and outwardly toward a side of the machine, a second set of coacting brackets carried by the frame of the machine and having oppositely inclined padded arms which coact with the brackets on the space key, the said arm of each bracket of the second set being inclined upwardly and inwardly toward the center of the machine, and means for affording a relative adjustment of the brackets of the one set towarc and away from each other.
26. In a typewriting machine, the combination of a space key, and means for noiselessly arresting both the downstroke and the upstroke of said space key, said means comprising a set of two brackets having oppositely inclined contact faces, and a second set of two coacting brackets having oppositely inclined padded arms which coact with the first mentioned brackets, each padded arm extending between two arms of a bracket of the other set, the coperating inclined contact faces coacting to limitthe stroke of the space key in only one direction.
27. In a typewriting machine, the combination of a space key and means for noiselessly arresting both the downstroke and the upstroke of said space key, said means comprising a set'of two brackets having oppositely inclined contact faces, and a second set of two coacting brackets having oppositely inclined padded arms which coact with the first mentioned brackets, the coacting inclined contact faces tending to exert a wedging action longitudinally of the space key only on the upstroke of the latter, one set of brackets resisting the wedging action of the brackets of the other set.
28. In a typewriting machine, the combination of arms which extend lfore and aft of the machine; a space key carried by said arms; and means for arresting the upstroke of said space key, said means comprising a wedging contact face carried by the space key` and a stop carried by the frame of the machine and having a coperative wedging contact face, the coperative inclined or wedging contact faces being so disposed as to exert a wedging action transversely of the arms and longitudinally of the space key, substantially as and for the purposes specified.
29. In a typewriting machine, the combination of a pivoted member, a support therefor, a spring connected at its ends to said member and support, and a separate fixed centering device cooperative with said spring intermediate its ends to prevent a lateral displacement of said spring and hold said intermediate portion away yfrom said pivoted member.
30. ln a typewriting machine, 'the combination of a pivoted actuating member, a grooved centering device adjacent to the pivot of said actuating member, and a spring seated intermediate its ends in the groove of said centering device and cennected at one end to said member and at its opposite end to a iXed point.
31. In a typewriting machine, the combination of a bracket arm, an actuating member pivoted to said bracket arm, a peripherally grooved hub carried by said bracket arm intermediate said arm and mem ber at the pivot of the latter and maintaining the two spaced apart, and a spring which extends between said arm and 1nem ber and intermediate its ends is seated in the peripheral groove in the hub, one end of the spring being connected to said arm and the other end to said member.
32. In a typewriting machine, the combination of a space key, two upwardly and oppositely inclined iiXedy pads, and two downwardly and oppositely inclined contact devices depending from said Space key and extending under said pads.
Signed at the borough of Manhattan, city of New York, in the county of New York, and State of New York, this 20th day of February, A. D. 1919. Y
OSCAR WOODWARD.
Witnesses:
CHARLES E. SMITH, LILLIAN NELSON.
US27865719 1919-02-24 1919-02-24 woodward Expired - Lifetime US1342489A (en)

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Application Number Priority Date Filing Date Title
US27865719 US1342489A (en) 1919-02-24 1919-02-24 woodward
GB7724/20A GB162488A (en) 1919-02-24 1920-03-15 Improvements in and relating to letter spacing mechanism for type-writing machines
FR512532A FR512532A (en) 1919-02-24 1920-03-29 Improvements in typewriters
DER50006D DE364057C (en) 1919-02-24 1920-04-21 Paper carriage switching device

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US27865719 US1342489A (en) 1919-02-24 1919-02-24 woodward
GB7724/20A GB162488A (en) 1919-02-24 1920-03-15 Improvements in and relating to letter spacing mechanism for type-writing machines
FR512532T 1920-03-29
DER50006D DE364057C (en) 1919-02-24 1920-04-21 Paper carriage switching device

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US27865719 Expired - Lifetime US1342489A (en) 1919-02-24 1919-02-24 woodward

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GB162488A (en) 1921-05-05
FR512532A (en) 1921-01-25

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