USRE15640E - crawley - Google Patents

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Publication number
USRE15640E
USRE15640E US15640DE USRE15640E US RE15640 E USRE15640 E US RE15640E US 15640D E US15640D E US 15640DE US RE15640 E USRE15640 E US RE15640E
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US
United States
Prior art keywords
bar
actuator
actuating
arm
crank
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Expired
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English (en)
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J23/00—Power drives for actions or mechanisms
    • B41J23/02—Mechanical power drives
    • B41J23/04—Mechanical power drives with driven mechanism arranged to be clutched to continuously- operating power source

Definitions

  • the short arm or the type bar 10 in close Be it known thatl, MANsrInLn CI Cnawproximity to the fulcrum point 1-1 of the LnY, a citizen of the United. States, and.v resilatter.
  • the lower end of the arm 7 is also dent of Rutherford, county of Bergen, and provided. with a hooked portion 12 which is State of New Jersey, have invented certain adapted to be engaged by a reciprocating new and useful Improvements in Power segmental actuating bar.13,-,when the lower Typewriters, of which the following is a end 8 of the arm 7 is moved upward by opspecification.
  • a stiff spring 16 normally the combination and construction of parts bears against the back ofone or more of the as will be hereinafter more fully described links 1f adjacent the brackets 15 (and tends and claimed, having reference to the. accon1 to move and retain "the actuatingbar 13 in panying drawings, in whichits forwardinost position, as, indicated in Figure 1 is a. longitudinal section of the dotted lines in Fig. 2. i v invention partly in elevation.
  • Fig. 2 is a Means are provided for normall-y retaindetail of the type anddigit-bar operati g ing the actuating bar 13 inits rearward pomechanism.
  • Fig. 3 is adetail in perspecsition in opposition to the tension of 'the tive of the end port-ion the type bar acspring 16 whi h means is adapted to be,
  • Fig. 4 a dct'ail in plan of operated by the depression of a. key A to the operative me .hanism for returning the release the actuating bar .13 and permits its type bar actuator to normal position. Fiq. being carried forward by. the spring 16. 5 is a front elevation of the machine witi
  • the above-mentioned means arev constructed parts broken away. as follows Pivotally mounted, on a bracket. In the drawinos, A representsa key le- 17 on the actuating bar 13 is a link 18, which i ver of the typewriting mechanism, which is extends rearward of the bar 13 and corp.
  • the inner end of the key lever A is pivotcarrie a. pawl 21 hi h is d t d t be ally connected to a vertically disposed opengaged with, and disengaged from, a. eratin arm 3, the upper end of which is ratchet 22 rigidly mounted on the shaftflfi. guidet in, and adapted to pass through, a
  • the pawl 21 is held out of contact with the slotformed in a stationary segment 4, ratchet 22 when the bar 13 is init's rearmounted on the frame 5 of the machine.
  • the mechanism for locking the crank 19 consists of a depending pawl or dog 27, pivoted at its upper end to the frame 5.
  • Thedog 27 is normally retained in its crank engagin a spring actuated bell-crank lever 28, which is pivoted at 29 to a 'fixed member on the frame .5, and has a projection 28' on its lower end which bears against the hack-of an extended portion of the dog 27.
  • a spring 30, is wound around a stud. on. the lever 28 and bears between a rigid pin and to exert an inward pressure on the lower end of the lever 28.
  • the device for releasing the dog 27 from engagement with the crank 19, comprises a link 31, one'end of which is provided with a slot into which a pin 32 on the dog 27 ex tends, and the other end of which engages a curved releasing bar 33 which is located between the segment 4 and the actuator bar 13 in contact with the upper face of the downwardly extending portion 8 on each 'ofthe'type-bar actuating-arms 7.
  • the bar 3 is here shown as extending downward at each end and pivoted at 34 at a point against the key lever A, but any other man- .er of mounting the bar by which it can ciilatory movei sired.
  • a button A is depressed, thereby rocking the key-lever A on its pivotal mountings 2 so as to move the operating arm 3 upward through the guide slot in the stationary segment 4.
  • This brings the upper end of the operating arm'3 into contact with the downwardly inclined end 8 of the arm 7, thus moving the latter upward on its pivotal mounting 7' so as to dispose the hook 12 in actuating-bar 13, as shown in Fig; 2.
  • the inclined portion 8 of the arm 7 moves upward, the .bar 33 is moved backward by reason of the inclined portion 8 bearing against the bar at a point 45 from its center, thus acting as a wedge to move the bar 33 backward on its pivotal mountings 34.
  • debar 33 carries the slotted link 31 rearward therewith, so as to throw the projection 27 on the lower end of the dog 27 out of engagement with the crank 19, which permits the latter to rotate on the shaft 20 and thus position, by means of ave a certain transverse reciprocal or osrelease the bar 13,
  • the bar 13 is then caused to move forward by means of the tension of the springs 16 bearing against the links 14, the link 18 pulling upon the loose crank 19 to carry the pawl 21 over the cam surface 23, the cam 23 travel free from engagement with the ratchet 22 while the bar 13 is moving in a forward direction.
  • the springs 16 act on the link 14 to impel the actuating bar 1.3 forward with considerable velocity the forward movement of the bar 13 acting to impel the type bar 10 upward against the platen roll through the arm '7 which has been previously disposed in front of the movable bar 13, as before described. A uniforn'i impact of all the type in the machine on the platen roll is in sured for the reason that one spring or set of springs 16 control the forward movement of the actuator-bar 13, which bar operates on all the type bars. The moment the impression is made by the type bar 10, the spring 9 returns it and the arm 7 to the normal position shown in Fig. 1-. In the meantime. the pawl 21 has been carried clear of the cam 23 by means of the link 18 and crank 19, which are carried forward by the actuating bar 13. The moment the pawl 21 is released from thccnm 23 a spring 2 ⁇ , on
  • a ty-pewri ing machine the combination with a series of type bars and a bank of key levers, of a motor, a shaft driven continuously by said motor, a crank'loose on said shaft, an actuating b vr means for operating the type bars by the actuating bar rod connectingsaid crank to said actuating bar, means for engaging the crank to the shaft to more the actuating; bar rearwardly,
  • crank loose on said shaft an actuating bar,- a rod connecting said crank to said actuating bar, means for engaging the crank to the shaft to more the actuating bar rear actuating bar forwardly, and means by which the forward movement of the actuating bar will operate a type bar, said means coinm'ising an arm on the type liar having a hooked portion engageable with the actuating bar.
  • a rod connecting said crank to said actuating bar, means for engaging the crankto the shaft to move the actuating bar rearwardly, means by which the forward movemeut oft-he actuating bar will operate a type bar, said means comprising an arm on thetype bar having a hooked portion engageablewith the actuating bar, and means for normally retaining the actuating bar'in its rearward position in opposition to the spring members.
  • ' motor means including -a crank loose on a crank loose on said shaft, an actuating bar, a rod connecting said crank to said actuating bar, means for engaging the crank to the shaft to move the'actuating bar rearwardly, a spring for moving the actuating bar forwardly, means by which the forward movement of the actuating bar will operate a type bar, said means comprising an arm on the type bar having a hooked portion engageable witlnthe actuating bar, means for normally ,retaining the actuating bar in its rearward position in opposition to the spring, said means including a dog engageable with said crank to limit its movement.
  • a typewriting machine having a series of type bars, a series of key levers corresponding to the type bars, an actuating bar for operating the type bars, a rotary a clutch mechanism operable by the movement of the actuating bar, by which the motor will move the actuvertically the outer end of said h rowing saidactuating arm and thereby ating bar in one direction, spring means for moving the actuating bar in the other dioperated from a key lever for controlling the operation of said spring means.
  • a stationary segment a slot in the segment in which the operating arm is guided, yieldable means for normally retaining the upper end of the operating arm below the upper surface of the segment, a pivoted type bar, an actuating arm pivoted thereon,
  • actuating arm positioned to be raised by the vertical movement of the operating arm, a springv propelled actuator bar positioned to engage actuating arm when the latter is in its raised position, said actuator bar normally retracted under tension, and means operable through the upward .movement of the operat g arm for releasing the actuator bar.
  • a movable operating arm pivoted thereto astationary segment, a slot in the 88 cut in which the i o crating arm 'is ielda'ble .meansor normally rethe operating arm ibelow the upper surface of the segment, a pivoted type bar, an actuating .arm pivoted thereon, theouter end of said actuating. arm positionedlto be raised by the vertical .movearm, a spring prolled actuator ar positioned to engage with the actuating arin.
  • a spring for advancing the actuator ar operative on said links means for normally retaining the "actuator bar in in opposition to the spring, comprising a'link connected at one and to the actuator bar, a loose crank to which the other end of the link is pivoted, Y blocking the vertically e combination of a key lover, a vertedther'e- 10 ,41 stationary segment, a .slot in th sc upper, end upper surfaw of the segment,
  • a spring .ating am when, the latter actuator bar operative spring comprising a a spring propelled actuator bar positioned to engage with the actuating arm when the latter is in its raised position, links on which said actuator bar isv suspended, spring for advancing the actua'tor bar operative on said. links, means for normally retaining the actuator bar in a retracted position -in opposition. to the spring, comprising a link con nected at one end to the actuator bar, a loose crank to which the other end of the link is pivoted, means for temporarily hlocking the crank againstmovement consisting upward movement of the operating arm "for disengaging the dog from the loose crank advance,
  • uided, yleldahle means for 'norn'mll y l'Gl-El-lfl mg the upper end the operating arm be low the upper surface oi the segment, a pivoted type bar, an actuating arm pivoted. thereon, the outer end of said actuating arm. positioned to he raised by the vertical movement of the operating arm, a spring propelled actuator bar positioned to engage with the actuating arm when the latter is in its bar is suspended, a spring for advancingthe actuator bar operative on said links, means for normally retaining the actuator bar in a retracted position lit opposition to the spring, comprising a link connected at. one end to the actuator bar, a loose crank to which the otherend.
  • otthe link is pivoted, means for temporarily blocking the crank against movement consisting of'a dog, means operated by the upward movement of the opera ting arm for disengaging the dog from the loose crank to permit the actuator bar to advancefand motor driven. means for retracting the actuator bar in opposition to the spring.
  • actuator bar issuspended, a spring for advancing the on said links, means the-actuator bar in a in opposition to the link connected at one for normally retaining retracted position links on which said actuator of the segment, a pivoted I Ol end to the actuator bar, a loose crank to which the other end of the link is pivoted, means for temporarily blocking the crank against movement consisting of a dog, means operated by the upward movement of the operating arm for disengaging the dog from the loose crank to permit the actuator bar to advance, and motor driven means acting on the crank for retracting the actuator bar.
  • actuator bar including a pawl. mounted on the crank, a continuously revoluble shaft, a ratchet on the shaft with which the pawl is cngageable, means whereby the pawl is held out of engagement with the ratchet on the forward movement of the ac tuator bar arranged to permit the pawl to engage the ratchet on the end of the forward stroke of the actuator bar to cause the crank to rotate with the ratchet to retract the actuator bar, means for causing the dog to reengage the crank on the end of the back stroke of the, actuator bar, and means for disengaging the pawl from before the reengagement of the crank.
  • vancing the actuator bar operative on said links, means for normally retaining the actuator bar in a retrac position in opposition to the spring, comprising a, link con nected at one end to the actuator bar, a loose crank to which the other end of the link is pivoted, means for temporarily bloclc ing the crank against movement consisting of a dog, means operated by the upward movement of the operating arm for disengaging the dog from the loose crank to permit the actuator bar to advance, motor driven means acting on the crank for retracting the actuator bar, including a pawl mounted on the crank, a continuously revoluble shaft, a ratchet on the shaft with.
  • a 'typewriting' machine the combination of a series of type bars, an automatically operating actuator for severally actuating said bars, spring means for advancing the actiuitor, a selective means for the type bars, rotary motive means to retract said actuator and means for controlling the operation of the rotary motive means through the selective means' 29.
  • a tyyuuvriting machine the combination of a series of type bars, a series of key levers for selecting the type bars, a release bar adapted to be operated'by any one of the key levers, an actuator, spring means for advancing the actuator.
  • a typewriting machine a series of type bar, key levers, a reciprocating actupower means for advancing the actuator, a constantly operating motor to retract the actuator against its moving means, means to lock the actuator in its retracted position, means operable by any One of the keys to release the actuator, and means to connect the actuator to the constantly operating motor when the type bar has been moved.
  • a series of type bars an actuator for moving saidbars to theprinting position, a yieldable power means foradi-ancing the actuator for the printing action, a superior powcr'means to retract the actuator, means for automatically breaking the connection between the actuator and the means for retracting it, means to lock the actuator in its retracted position when disconnected from the superior power means, a series of keys, means operated by said keys to release the actuator, and means for automatically connect-- ing the actuator to the superior power means when the type bar has been moved to printing position.
  • a series of type bars In a typewriting machine, a series of type bars. an actuator for moving said bars to the printing position, a yieldable power means for advancing the actuator for the printing action, a constantly operating sumeans for automatically breaking the connection between the actuator and the means for retracting it, means to lock the actuator in its retracted position when disconnected from the superior power means, a series of keys, means operated by said keys to re-' lease the actuator, and means or automatically connecting the actuator to the superior power means when the type bar has been m ved to printing position.
  • yieldable power means for advancing the actuator for the printing action, a constantly operatin rotary superior power means to retract t. e actuator, means for automatically breakin the connection between the actuator am the means for retracting it, means to lock the actuator in its retracted position when disconnected from the superior powermeans, a series of keys, means operated by; said keys to release the actuator, and means for automatically connecting the actuator to the superior power means when the type bar has been moved to printing position.
  • a type bar actuator an independent power means for advancing the actuator, an additional power means for retracting the actuator, an automatic'atly operating make-and-break connection between said additional power, means and the actu- Pi'tor, means for lockin the actuator in its retracted position when the connection heactuator,
  • type bars, key levers, a type bar actuator In a typewriting machine, type bars, key levers, a type bar actuator, an inde pendent constant spring power means for advancing the actuator, an additional superior power means for retracting the actuator, an automatically operating make-andbreak power mofans and the actuator, means for locking the actuator in its retracted position when the connection between said additional power means and the actuator is broken, and a release means-adapted to be operated by said kc levers.
  • a typewriting machine a series of type bars, an actuator for moving said bars to the printing position, a yieldable power means for advancing the actuator for the printing action, a constantly operating superior power means to retract the actuator, means for automatically v reaking the cou nection between the actuator and the means for retracting it, means lock the actuator in its retracted posit on when.
  • ⁇ n a typewriting machine; a motorconnecti'on between said additional w the combidriven mechanism for actuating the printing instrumentalities, a latch ,for holding said mechanism out of action, a curved swinging bail for releasing said latch, and
  • a bank of key-levers having associated with v bar will have a each lever a device for operating said swinging bail, these devices being arranged across the'machine in a row in line'with saidbail.
  • a typebasket each of whose type-bars is provided with"v a rearwardly e'xtendin'g coupler, a spring-driven actuator frame'embodying a curved actuator-bar and a plurality of parallel suspending links, whereby the actuator- "body movementfore and aft, and means for shifting the couplers into the path of the actuator-bar,
  • pawl is caused a retracting mechanism for the actuator embodying a pawl and means whereby this to engage the ratchet-wheel in the retracti-ve operation and to be. disengaged from the ratchet-wheel upon completion of said operation, and tripping mechanisni actuatable from any one of the keys.
  • a retractingmechanism embodying a continuously-rotated shaft carrying 'a ratchet-wheel, a crank pivoted. concen-trically with said shaft and connected to the actuator, a pawl carried by this arm, and means whereb' the pawl is caused to engage the ratchet-wheel for retractingthe a universal actuator and a spring forvmoving it on 1(5- actuator and to be disengaged thcrefromwhen this operation is completed.
  • a universal actuator and a spring for moving it on its working stroke a retracting mechanism embodying a continuously-rtsated shaft carrying a ratchet-wheel, a crank pivoted concentrically with said shaft and. connected to the actuator, a pawl carried by this arm, and means whereby the pawl is caused to engage the ratchet-wheel for retracting the actuator and to be disengaged therefrom when this operation is completed, said means embodymg a statlonarycam adapted to engage the awl. r In testimony whereof I hereunto afiix my signature.

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