US1100455A - Type-writing machine. - Google Patents

Type-writing machine. Download PDF

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Publication number
US1100455A
US1100455A US724540A US1912724540A US1100455A US 1100455 A US1100455 A US 1100455A US 724540 A US724540 A US 724540A US 1912724540 A US1912724540 A US 1912724540A US 1100455 A US1100455 A US 1100455A
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United States
Prior art keywords
carriage
frame
shift
machine
type
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Expired - Lifetime
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US724540A
Inventor
Burnham C Stickney
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Underwood Typewriter Co
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Underwood Typewriter Co
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Priority to US16370403A priority Critical patent/US1100453A/en
Application filed by Underwood Typewriter Co filed Critical Underwood Typewriter Co
Priority to US724540A priority patent/US1100455A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, e.g. INK-JET PRINTERS, THERMAL PRINTERS, 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
    • B41J19/34Escapement-feed character-spacing mechanisms
    • B41J19/42Escapements having two pawls or like detents
    • B41J19/44Escapements having two pawls or like detents coacting with two toothed members, e.g. racks or wheels

Description

B. STIGKNEY.
TYPE WRITING MACHINE. APPLICATION FILED 00T. a, 1912.
Patented June 16, 1914.
l 2 SHEETS-SHEET 1.
B. G. STICKNEY. TYPE WRITING MACHINE.
APBLIGATION FILED 00T.. s, 1912.
Patented June 16, 1914 2 SHEETS-SHEET 2.
l1/wanton l -iliinllwl im: l- Q0 mi! @l n N\\\\| -l Y Bla 1|wwluwM- I-:Z: /l. \lL Q S m UNITED sTATEs PATENT OEEICE.
BUENHAM o. sTICKNEY, or ELIZABETH, NEW JERSEY, AssIGNOE To UNDEEWOOD TYPEWEITEE COMPANY, OE NEW YORK, N. Y., A CORPORATION OE DELAWARE.
TYPE-WRITING MACHINE.
T0 all whom it may Concern:
Be it known that I, BURNIIAM C. STICK- NEY, a citizen of the United States, residing cially to those of the frontstrike class.
My invention consists in certain combinations of devices, features of constructions, and arrangements of parts, which will be hereinafter described and particularly pointed out in the'concluding claims, and is a division of my application No. 163,704, filed June 30, 1903.
The principal feature covered herein is the connection between the key-operated uni'- versal bar on the main framework of the machine, and the carriage, which shifts up and down, said connection being a train of escapement mechanism extending fromthe universal bar to the carriage,ai id including members which are connected at a point which coincides with the axis about which the carriage shifts up and down, so that thel shifted.
In the drawings `forming part of this specification, Figure 1 is a longitudinal sectional elevation of a front strike writing machine embodying my improvements; one
type action being shown in 'printing posi! tion. Fig. 2 is a front view ofthe machine, showing tlievcarriage tilted up to expose the underside thereof, and give access to the carriagespring tension lad] usting devices.
The framework of the machine comprises side walls and rear walls forming a base l,
and a depressed top plate 3. Forwardly extending type bars et are pivoted at their rear Original application led .Tune 30, 1903, Serial No. 163,704. Divdediand this application 1912. serial No. 724,540.
ined october s,
latter being uppermost when the type-bar is in printing position, although this relation may lhe reversed within the scope .of certain features of my improvements, and the typebars may be otherwise mounted. The typebars-may be Operated by any suitable means, as for. instance pull-links 11, extending rearwardly and downwardly from the type-bars,
pendent levers 12 connected between their ends at 13 to said links, -a horizontal rod 14 whereon said levers arefulcruined at their 4upper ends,v horizontal links l5 connected at 16 to the' lower ends of said levers. and extending forwardly, and key-bearing bellcranks fulcrumed upon a transverse rod 17 and lia-ving pendent arms 1S connected at 19 to said linksl, and forwardly-extending arms 20 bearing the lkeys 21. Returning springs as 22 may be provided for the type actions.
The platenj may be mounted by' means of an axle 25 upona carriage 26, which may be of any suitable construction, but preferably -`comprises upper and lower bars 27 and 28, the'former provided in its underside with a longitudinal groove 29, and thel latter in its upnerside with a longitudinal groove 30; these bars being connected at their ends by upright bars .31 and 32 formed integral therewith. An integral plate or bar 33 projects forwardly from said connected bars, and at its ends is formed with upright arms 3st and 35 in which th'e platen axle 25 is journaled. Embraced by Athe grooved vbars 27l and 28 is a rail 3G, set on edge and provided in its top and bottom edges with grooves 37 and 3S, which arev provided with bearing balls 39, whereon the carriage runs. Said grooved rail 36 forms part of a movable frame, whereby -the paper carriage -is enablednot only to run in letter-feeding direction, but also to move vin a direction transverse thereto. in addition to said rail (which may be Otherwise formed in some cases) rearwardly extending integral arms 65, which are united at their forward ends by said rail, and a bar G6, which unites said arr-.is between their ends and is integral therewith. Said arms are extended rearwardly from saidlbar 66, forming ears 67 and 68, which are hinged by pintles 69 in bosses 70 and 71 which pro- This frame comprises,l
ject inwardly from ythe tops of the side walls of the framework 1. The carriage togetherwith its supporti-'ng' frame may be swung oritilted up' about said hinges, so as and cooperating with a 'rack 106 on the carriage; said feeding'mecha'nism comprising upright detent and feeding dogs 107 and 108, the latter normally in engagement with the rack. The rack is mounted upon the rear ends of hinged arms 109 and 110, the
` latter being prolonged forwardly of its hinge and provided with a depressible carriage-release key 111. The dogs are mounted upon one end of a rock-shaft 112, jour-l naled in a boss 113 formed upon an arm 114 directed upwardly and forwardly from the shifter-frame bar 66; and said shaft at itsother end is provided withan operating arm 115, which `at its rear end lis pivoted at 116 to a pendent link 117, whereby the arm is y operated; said pivot 116 being normally substantially coincident with the axis of the hinge 69 of the carriage-supporting frame, so that the operation of the escapement mechanism is rsubstantially the same whether the frame is in normal position or shifted up to write capital letters. At its lower end said link is pivoted at 118 to the forward end of a rocker-arm 119, which projects forwardly from ahorizontal transverse rock-shaft 120. A universal bar 121 is mounted upon the ktops of a .pair of arms 122 which rise from said rock-shaft, and lies in rear of the levers 12 of thev type-actions, so
as to be operated thereby, as at Fig. 1; the
described'universal-bar frame being provided with a returning spring 123.
The carriage feeding mechanism of a typewritin'g machine comprises a universal bar such as 121, and a carriage rack such as 106 and intervening connections In this instance, the connections comprise arms 122, 119, link 117, ann-115, shaft 112, and dogs 107 and 108. In this train of mechanism, one of the working joints, namely 116, is normally about in line with the axis of the hinge 69 upon which the frame 65 swings up. Hence the type keys 21, which are on the stationary main frame of the machine, are enabled to control the operation of the eseapement dogs 107 V'and 108 whether the shift frame 36, 65, 67 isup or down. So long as this result is obtained, it is not ma- -terial whetherl the joint 116 or some other joint in the carriage feeding train is coinci dent with the axis 69. It will be noticed that the path of movement of the p ivotf116 may intersect the axis of the hinge 69,
whereby the link 117 will have the same effect on the escapement dogs 107 and 108 iat all printing positions ofthe platen. 'f
The 'carriage may be propelled by a spring-barrel 127, lying horizontally and mounted upon the lower end of a. stud l28 depending from the hinged carriage-frame; a strap 129 being attached to the barrel and caught upon a hook 130 upon the carriage bar 28. A ratchet wheel 131 and pallet 132 are provided for adjusting the tension of the spring, the former having a finger-piece 133 and the latter a finger-piece 134, both of which in normal position project downwardly, the ratchet-wheel and pallet being mounted below the spring barrel. When the carriage is tilted up, as at Fig. 2, access is givenl to the ratchet wheel and pallet, thus facilitating the adjustment of the spring. By mounting the spring barrel and the carriage-feeding mechanism upon the hinged frame, the latter is permitted to swing freely up and down,'without liability of deranging the carriage-controlling devices, which always preserve their proper relation to the carriage. j Preferably advantage is also taken of the hinging of the'carriage-sup port, to enable'the latter to be shifted up and down to enable different types to print. Normally the carriage and platen are in the lowermost position, as in full lines at 10i l, thereby enabling 'the lower-case types 9 to print; while by elevating ythe carriage and platen, as indicated by the dotted circle 7, the upper case types 10 are enabled to print.
The downward movement of the carriage is limited by an adjustable stop 136, threaded forwardly through an arm 137 cast upon the rear wall of 'the machine framing; arm 7 8 of the hinged carriage supporting frame being prolonged, as at 138, to bear against said adjustable stop.
A shift-lever 139, bearing a key 140, projects forwardly and upwardly from a transverse horizontal rock-shaft 141, journaled in the side walls of the base; and about midway of its length said shaft is provided with anvupright arm 142, from which extends rearwardly a link 143, whose rear end has a sliding bearing at 144 in the upper portion of said cast arm 137. Said link is 'provided with a lug 145, adapted to catch a.
nib 146 formed-upon a hook-shaped stop 147 pivoted at 148 tothe lower portion of said arm 78. By depressing the shift key, the shaft 141 and arm 142 thereon are rocked, pulling forwardly the link 143, and by means of the lug 145 and nib 146 swinging the stop down, until the'said nib is arrested by a stop pin 149. Continued movement of the key, rock-shaft, arm and link then, swings the frame arm 78 forwardly and the frame and carriage upwardly about the hinge 69, until the parts are arrested, with the platen in the dotted line position,
by the contact of the hook-stop 147 wit-hf said frame, so as to be brought into an acthe upper endof said cast arm 137 (which of course may be provided with ,an adjustable stop, if desired.) After the capital type or types are written, the shift key is returned to normal position by a sprlng 150, while the hinged frame and carriage return i by gravity. A spring 151 lifts the hook-stop 147 until it is-again clear ofthe upperpend of said cast arm 137, so that it may not contact therewith to interfere with the upward tilting movement of the carriage to the Fig. 2 position. During such tilting movement,
the arm 78 and parts thereon are swung forf wardly away from their cooperatingI partsf mounted in the machine base; so that at any time the carriage'may be given either a limited movement for writing capitals or a f movement to expose the underside tilting thereof.
v Wide variations may be resorted to within the scope of my invention, and portions of my improvements may be used without others.
Having thus described my invention, I claim:
grooves in its edge, balls running in the grooves, rearwardly 4extending hinged armsV formed integral with said rail, a bar conl necting said arms, said arms, bar and rail j forming a frame, carriage-propelling de-v vices mounted upon said hinged frame, .es--
capement members also mounted on said frame, and an escapement rack on the carriage and releasably connecting with said escapement members.
- 2. In a front strike Writing machine, the combination of a series' of type actions including rearwardly striking type-bars, a paper carriage, a frame whereon said car-v ci es with thehinge of said frame, and av universal-bar operable by the type actions and connected to said link.
3. In a frontpstrike writing machine, the combination olf al series of rearwardly striking type-bars, a paper carriage, a frame whereon said carrlage is mounted, said frame. being hinged 1n rearl of the lcarriage to the frame-work, whereby the frame and carriage maybe tilted to expose the underside thereof; a train of carriage-escapement devices at least 'a portion of which `are mounted upon said frame, `and a carriage-propelling provided with tension-adgust-mgv spring means and mounted at the lower portion of cessible position when the frame is tilted.
4. In a front strike writing machine, the combination with rearwardly striking types and means for operating them, of a platen, a carriage, a hinged frame whereon said carriage runs, a carriage-propelling spring upon said frame, escapement members upon said frame, including an escapement-operating arm, a link pivoted to said 4escapement arm at a 'point normally substantiall incident with the axis of said car-ria e fiame hinge, and a universal-bar or mem r connected to said link and operable by the type actions.
5. In a front strike writing machine, the combination with rearwardly striking types, of a carriage, a frame whereon said carriage runs, said frame being hingedin rear of the carriage so that it can betilted up to ex pose the underside of the carriage, an escapement member on said frame, and a carriage propelling spring also mounted on .said frame in a horizontal position and provided upon vits underside with a tensionl adjusting ratchet, which is normally inac- 1; In a front strike writing machine, the 1 combination with types, of a paperi car-.- riage having grooved bars, a rail havingV frame in rear of the carriage to shift the carriage vertically, and acarriage feeding mechanism arranged in part on the shiftframe and in part on the main frame with the operative connection between rsaid parts substantially in the pivotal axis of the shiftframe, substantially as set forth.
7. In a typewriting machine, the combi` nation of a laterally-movable carriage, a shift-frame pivoted to the main frame and l supporting the carriage, and a carriage-feeding mechanism having one part supported by the main frame and another part supported by the shiftframe, with the working joint between said parts of the feeding mechanism coincidentwith the pivotal axis of the shift-frame, substantially as set forth. '115 8. In a front strike typewriting machine lin which the type strike the front side of the platen, the combination of a laterally-movable carriage, a shift-frame which supports the carriage and is pivoted to the main frame in rear of the carriage to shift thev carriage vertically, and av carriage-feeding mechanism arranged in part on the shift'- frame and in part on the main frame with the operative connection between said parts 1'25 in the pivotal axis of the shift-frame, substantially asset forth.
9. 'In a typewriting machine, the combination of a laterally-movable carriage, a shift-frame pivoted tothe main frame and 13 `lsg'ipporting Athe carriagey and a carriage- -feeding mechanism having one part supported by the main frame and another part I supported by the shift-frame, with the work- 5 ing joint between said parts o-f the feeding mechanism on the pivotal axis of the shiftframe, substantially as set forth.
10. rIhe combination of a carriage, a pivoted shift-frame, and key-controlled means for feeding the carriage, said key-controlled means being mounted partly upon said shiftframe and partly upon a portion of the machine with relation to which said shift-frame y is shifted,the engagement between the members on. the shift-frame and the members not mounted on said frame being in the axis of the pivotal movement of said shift-frame.
tion, a main frame, a carriage, a shift which supports the carriage and if is hinged or pivoted to the main frame, and a train o f carriage-feeding devices, certain members of which are on the carriage shift frame and certain members "of" which are on the main frame, the point of engagement of the members on the shiftv frame with the members on the main frame being in the axis of the shift frame hinge.
A 12. In a typewriting machine in which the y types strike the front side of the platen, the
combination of a main frame, a carriage, a
shift frame Y which supports the carriage,
-`said shift frame being pivoted to the main Y frame in rear. of the carriage to shift the 3.5 arriage up and down, and a train of car- "riage-feeding members extending from the carriage on the shift frame, and including a Ymember on the main frame, the point of engagement of the main-frame member with 40 a member on the shift frame being in the axis of said shift frame.
18. The combinationof a carriage, keys, a'
shift frame for`` the carriage pivotall)7 mounted, feeding members for said carriage having at` least part lthereof mounted on said shift frame, and a connection between the Vkeys and said carriage through said feeding members having part of said connection in the pivotal axis of said shift 50 frame.4
.60 15. In a typewriting machine, the combination with a traveling carriage, of a pivotally mounted shift frame for. said carriage7 a feedingmechanism for sald carriage comprising an escapement rack or set of 16.5 teeth mountedon said shift frame, and also l. A. typewriting machine having in com- Y comprising means coincident with the pivotal axis of said shift frame for controlling said escapemcnt rack, and also comprising key-operated means on the main frame of the machine.
16. In a typewriting machine, the combination with a traveling carriage, of a shift. frame pivotally mounted on which .said carriage travels, a feeding mechanism comprising an escapement rack or set of teeth mounted on said shift frame, and also comprising a. vibrating member by which said escapement rack is controlled, said member mounted for movement in a path which intersects the pivotal axis of said shift frame, and also comprising key-operated means on the main frame of the machine.
17. In a typewriting machine, the combination with a'traveling carriage, of a pivotally mounted shift frame on which said carriage travels, a feeding mechanism for said carriage' comprising a Arack bar traveling with said carriage, and also comprising a vibrating member on the frame of the typewriter, and also comprising a connection for controlling said rack by said vibrating member, said connection mounted for movement in a path which intersects the pivotal axis of said shift frame, and also comprising keyoperated`means onthe main frame of the machine. I
18. In a typewriting machine, the combination with the main frame, of a carriage shift support pivotally connected to the main frame, a laterally movable carriage arranged to vibrate with the pivoted support, and letter-feeding mechanism for said carriage, said letter-feeding mechanism form- Ving a connection between the carriage and the mainframe, and including means whereby it remains connected with the main frame at all `positions of saidcarriage shift support.
19. In a front strike typewriting.machine, the combination of a laterally movable carriage, a shift frame supporting the carriage, and a pivotal connection between the main frame and the shift frame located in rear of the carriage, and a carriage feeding mechanism arranged with the operative connection between the same and the carriage in the pivotal axis of the shift framc,substantially as set forth.
E20. In a front strike typewriting machine, the combination of a laterally movable carriage, a frame pivoted to the main frame and supporting the carriage, and a carriage feeding mechanism having one part supported by the main frame and another part lsupported by the pivoted frame, with the working joint between said parts 1n the pivotal axis of the pivoted frame,.substantially as set forth.
21. In a front strike typewriting machine in which the type strike the` front side of the platen,I the combination of .a laterallymovable carriage, a shift-frame which supports the Carriage and is pivoted to the main frame in rear of the carriage to shift the carriage vertically, 'and a train of carriageeseapelnent devices arranged in part on the shift-frame and in part on the main-frame to be operated by the type keys, With the operative connection between said parts in the pivotal axis of the shift-frame.
22. In a typewfiting machine, the combination of a laterally-movable carriage, :L
shift-frame pivoted to the main frame and supporting the carriage, and a train of cai'- riage-escapement devices having one part supported by the main frame and another part supported by the shift-frame, With the Working joint between said parts of the escapernent in the pivotal axis of the shift# frame.,
vBU'lStNIfIAlVI C. STICKNEY. Witnesses:
F; E. ALEXANDER, TITUS H. IRONS.
US724540A 1903-06-30 1912-10-08 Type-writing machine. Expired - Lifetime US1100455A (en)

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