US1891413A - Typewriting machine - Google Patents

Typewriting machine Download PDF

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Publication number
US1891413A
US1891413A US547694A US54769431A US1891413A US 1891413 A US1891413 A US 1891413A US 547694 A US547694 A US 547694A US 54769431 A US54769431 A US 54769431A US 1891413 A US1891413 A US 1891413A
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US
United States
Prior art keywords
ribbon
spool
carriage
spools
serrated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US547694A
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English (en)
Inventor
George F Handley
Lewis C Myers
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Royal Typewriter Co Inc
Original Assignee
Royal Typewriter Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to FR739002D priority Critical patent/FR739002A/fr
Application filed by Royal Typewriter Co Inc filed Critical Royal Typewriter Co Inc
Priority to US546858A priority patent/US1890547A/en
Priority to US549772A priority patent/US1891567A/en
Priority to US562788A priority patent/US1891590A/en
Priority to US547694A priority patent/US1891413A/en
Priority to US547382A priority patent/US1891569A/en
Priority to GB16480/32A priority patent/GB402484A/en
Priority to GB16838/32A priority patent/GB402495A/en
Priority to GB16835/32A priority patent/GB402492A/en
Priority to GB16837/32A priority patent/GB402494A/en
Priority to GB16836/32A priority patent/GB402493A/en
Priority to FR738910D priority patent/FR738910A/fr
Priority to FR738931D priority patent/FR738931A/fr
Priority to FR739101D priority patent/FR739101A/fr
Priority to DER85231D priority patent/DE625267C/de
Priority to DER85262D priority patent/DE658820C/de
Priority to FR739229D priority patent/FR739229A/fr
Priority to DER85280D priority patent/DE658821C/de
Priority to DER88712D priority patent/DE619248C/de
Priority to DER85307D priority patent/DE660240C/de
Priority to DER85305D priority patent/DE658822C/de
Application granted granted Critical
Publication of US1891413A publication Critical patent/US1891413A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B41J35/00—Other apparatus or arrangements associated with, or incorporated in, ink-ribbon mechanisms
    • B41J35/30—Manifolding or like arrangements

Definitions

  • This invention relates to new and useful improvements in manifolding attachments for typewriting machines or the like, and embodies certain improvements over our copending application Serial No. 546,858, filed June 25, 1931, relative to the tensioning means for the ribbon spools, the manually actuated locking means for the spools, and the manually actuated means for withdrawing sioning means and a normally ineffective locking means cooperating with the periphery of each member, and means to render said locking means efi'ective during the feeding movement of the carbon strips or ribbons and preferably prior to the completion thereof whereby the last portion of the ribbon feeding movement will remove all slack in the ribbon immediately prior to the line spacing operation of the work sheets; to provide a manually operable means for releasing all tensioning and locking means simultaneously whereby the spools may be readily positioned on their supporting shaft or re- .moved therefromwithout interference, and to provide a ribbon spool assembly of the character described which can be readily and cheaplymanufactured and easily applied to
  • Figure 1 is a vertical sectional view of a.
  • Figure 2 is a rear view thereof, parts of the typewriting machine being omitted to better disclose the invention
  • Figure 3 is a top plan view of the structure shown in Figure 1, parts of the main frame and the carnage being omitted,
  • Figure 4 is a vertical sectional view through the spool supporting frame showing the tension means and the locking pawl in operative "positions,
  • Figure 5 is a vertical sectional view taken on the line 55 of Figure 4,
  • Figure .6 is a horizontal sectional view taken through the spool supporting frame
  • Figure 7 is a detail vertical sectional view showing the tension means and the clutch pawl in released positions
  • Figure 8 is a'perspective view of one of p Figure 10 is a perspective view of one of the locking levers
  • Figure 11 is a horizontal section taken on the line 1111 of Figure 4, and 1 Figure 12 is a rear elevation of the spool supporting frame.
  • the typewriting machine includes a main frame A on which a carriage B is supported for letterspace movements.
  • A. platen C is fixed to the lower end of a collatin frame D pivoted on the carriage to swing orwardly and rearwardly to effect a rearward and foron the carriage below the platen, and thence upwardly past the platen and have their upper edge portions clamped to a. truck J which 18 mounted on the collating frame D for line space movements, the truck bein line spaced by the lever E by a mechanism s own in our copending application.
  • a spool supporting frame K is disposed in rear of the main frame A and is attached to the carriage to move therewith, the frame K carrying rollers 7, 7 which ride along a rail 8 attached to the main frame A.
  • a plurality of ribbon spools L are rotatably supported on a shaft 9 fixed to the frame K, and the carbon strips or ribbons M are led from the spools forwardly along the left side of the carriage, thence along and in front of the platen and in rear of the main ribbon G and in interleaved relation with the work sheets, and thence rearwardly along the right hand side of the carriage to a ribbon feeding means N which includes cooperating feed rolls 10, 10.
  • the ribbon feeding means N is actuated from the collating frame D by connections shown in our copending application.
  • Means are provided for individually and normally tensioning the spools against feedin rotation and other means which are norma y ineffective, are provided for individually and simultaneously locking the spools against feedin rotation at a period of time immediatel be ore the ribbon feeding means has complbted its movement whereb the ribbons will be rendered taut before the work sheets are line spaced thereby preventing the carbon strips from being dragged upwardly therewith.
  • Means are also provid ed for simultaneously releasing the tensions and the clutch pawls whereby the spools may be readily removed from or applied to the .spool supporting shaft without any interference.
  • the spool supporting frame K includes front and rear walls or plates 11 and 12 respectively, which are rigidly connected by spaced upper side braces 13, 13 and spaced lower side braces 14, 14, the latter being provided with upstanding flanges 14*, 14* along their outer side edges thereof.
  • the spool supporting shaft 9 is fixedly secured at its front end to the front plate 11 and the rear free end of the shaft is located centrally with respect to an opening 15 formed in the rear plate 12,
  • the opening being of a size sufficient to permit a ribbon spool -L to be freely passed therethrough.
  • Each s ool L comprises a hub 16 having a disc mem er 17 fixed thereto and provided with a serrated clutch periphery 18.
  • a core 19 having a transverse opening or seat 20 which receives a pin 21 fixed to the disc member 17,to maintain the core and disc against relative rotation yet permitting of the core being removed from the hub or positioned thereon.
  • ahorizontal bearing rod 22 Disposed directly below the horizontal spool shaft 9 is ahorizontal bearing rod 22 having its ends secured to the front and rear plates 11 and 12, the rod being disposed in a horizontal plane below the opening 15 of the rear plate.
  • an arcuate plate 23 Disposed above the rod 22 and below the spools L is an arcuate plate 23 which is sprung into place against the lower side braces 14, 14, and is concentric with the axis of the spool supporting shaft 9.
  • the plate 23, as viewed in Figure 7, is provided along its side edges with depending flan es 23 and 23 respectively, the former being at throughout its height, and the latter being formed with an inwardly curved lower end portion 23.
  • the flange 23 of the plate is first positioned against the inner face of the flange 14 of the associated brace 14, and then the other flange 23 is pushed downwardly and sprung into place against the flange 14 of the other brace 14, the lower curved portion 23 facilitating the o eration.
  • the plate 23 is yieldably but rmly retained in position on the braces 14, 14.
  • a series of openings 24 and a series of openings y 25 are respectively formed in the arcuate plate 23 on opposite sides of the rod 22, and are disposed in parallelism therewith. These openings are arranged in pairs, one opening 24 and one opening 25 being in register with the disc member 17 of each spool L.
  • each opening 24 Associated with each opening 24 is a tension lever O which is in the nature of a bell crank lever and includes spaced parallel members of identical construction, each member comprising a depending cam arm 26 and a horizontal arm 27, the latter terminating in an upstanding arm 28, and both arms28 being connected by a web 29.
  • the lever O is journaled on the bearing rod 22, there being alined bearing openings 30, 30 formed in the horizontal arms 27, 27 adjacent the depending cam arms 26, 26 for receiving the bearing rod.
  • the upstanding arms 28,28 are provided adjacent their upper ends, with alined bearing openings 31, 31 to receive the hub 32 of a friction roller 33 having a serrated periphery 34, the hub and roller being in tight contact to rotate in unison.
  • the hub is also slidable in the bear ing openings 31, 31, and one end of the hub rotation of the roller 33 is resisted by two frictional brakes, the first being located between the circular surface 36 of the hub and the upper end of the spring, and the second being located between the roller 33 and the arm 28 opposite the spring.
  • These serrated rollers 33 are yieldably retained in engagements with the serrated peripheries 18 of the disc members 17 by coil springs 38, and the feeding rotations of the spools are individually resisted by the two frictional brakes above noted.
  • a plurality of lock levers P are also fulcrumed on the bearing rod 22, there being one lever for each spool.
  • Each locking lever P is in the nature of a-bell crank lever consisting of a de nding cam arm 39, a horizontal arm 40, and locking pawl 41 which is integral with the horizontal arm and extends upwardly therefrom and between the ends thereof.
  • the serrations 34 of the friction rollers 33, the serrations 41 of the pawls 41, and the serrations 18 of the discs 17 are consistent with one another, and consequently the pawlswill fit the discs for positive locking contact therewith, and the rollers will have positive intermeshing engagements with the' discs and therefore there will be no slippage between them.
  • the horizontal arm 40 is formed adjacent the depending arm with a' ,bearin opening 42 for receiving the hearing r 22.
  • Each lock lever P is located between the spaced bell crank members of the associated tension lever O with the pawl 41 disposed on the side of the bearing rod. 22 opposite the tension roller 33, and with the depending cam arm 39 on the side of the bearing rod opposite the depending cam arm 26 of the tension lever.
  • a plurality of spacing sleeves 43 are journaled on the bearing shaft intermediate the lock levers P and function to maintain the same in register with the respective disc members 17.
  • cam shaft 44 Disposed directly below and in parallelism with the bearing rod 22 is a cam shaft 44 which is journaled at its ends on the front and rear walls or plates 11 and 12 of the spool frame K. This shaft is provided with opposite and parallel cam faces 45, 45, and the shaft extends between depending cam arms 26 of the tension levers O and the depending cam arms 39 of the lock lever P.
  • Each spring 38 which is connected at one end to one of the upstanding arms 28 of thetension lever O, has its other end connected to the associated pawl 41 and functions not only to yieldably retain the tension roller 33 in contact with the periphery 18 of the disc 17 but also to urge the pawl 41 into contact with said periphery 18.
  • a bail which includes a universal bar 46 common to all of the lock levers P.
  • This universal bar 46 is disposed directly above theonter ends of the horizontal arms 40 of the lock levers and is pivotally supported on the ends of the bearing rod 22 through the medium of a rock arm 47 and a lever 48.
  • the lever 48 opposite the universal bar is connected to one end of a coil spring 49, the other end of the spring being anchored to the adjacent lower side brace 14 of the spool frame.
  • the other end of the spring is attached to the lower end of the associated pawl 41 in order to give a minimum tension to the lock arm P to permit easy release of said arm from the disc 17 thereby not only rendering the spring 49 most effective but also mini- I mizing the efl'ort required to release the pawls from the discs.
  • a bell crank lever 50 is fulcrumed on the front wall or plate 11 directly above the spool shaft 9.
  • the horizontal arm 51 of the lever is disposed directly above the lever 48 and is connected thereto by a link 52.
  • the upwardly extending arm 53 of the lever is pivotally connected to one end of a link 54, the other end of the link being pivotally connected to one arm of 1 carriage return lever, are all fully described;-
  • lever arm 59 Fixed to the rear end of the cam shaft 44' is an upwardly extending lever arm 59 which terminates at its upper end in a rearwardlyi extending finger piece 60. Formed in the lever arm 59 below the finger piece is an opening or seat 61 for receiving the reduced rear end 62 of the spool supporting shaft 9 and thereby provide a support for the rear freei end of said shaft 9.
  • This lever arm 59 is adapted to be retained in its normal position against accidental disengagement from the shaft 9 by means of a spring plunger 63 mounted-in a barrel 64 which extends rear wardly from the lever arm 59, the plunger having its front end normally located in an opening or seat 65 formed in the rear wall 12 of the spool supporting frame K.
  • This lever arm 59 has the additional function to rock the cam shaft 44 and thereby simultaneously withdraw or retract all of the tensioning means from their cooperative engagements with the serrated surfaces 18 of the spool discs 17, and to also further retract simultaneously all of the locking pa-wls 41, as shown in Figure 7.
  • the serrated edges of the clutch paWls 41 and the serrated surfaces of the friction rollers 33 are lowered to positions below the arcuate plate 23, thereby ermitting the spools L to be readily removed rom or applied to the shaft 9 without interference whatsoever.
  • the work sheetsH are loaded into the machine and the carbonstrips or ribbons M are interleaved therewith in front of the platen C and the free ends of the ribbons are engaged between the feed rolls 10, 10 of the feeding means N, after which the lead-in ends of the work sheets are clamped to the truck J.
  • the operator then writes a line on the work sheets.
  • the carriage return lever E is then swung to the right, prior to returning the carriage, and during the first part of the swinging movement of the lever, the collating frame D is swung forwardly and the platen C rearwardly to relieve the normal tight contact relation between the work sheets and the platen.
  • ribbon feeding means N is actuated simultaneously with the forward movement of the collating frame, and thus the carbon ribbons M are fed against the individual tensioning means which are constantly applied to the ribbon spools.
  • the locking means for the respective spools Prior to the completion of the operation of saidfeeding means, the locking means for the respective spools is rendered effective, thereby permitting the last partof the movement of the feeding means to stretch of the lever the previously moved parts, ex-
  • a manifolding typewriter the combination with a carriage having a platen past which a work sheet is fed, a non-rotatable shaft fixed to the carriage, a ribbon spool journaled on saidshaft, a peripheral member rotatable about said shaft and connected to the spool to rotate therewith, ribbon feeding means mounted on the carriage, means for guiding the ribbon from the spool across the work sheet to said feeding means, means cooperating with the periphery of the member for tensioning the feeding movement of the ribbon, normally ineifectivelockingmeans adapted to cooperate with the periphery of the member to retain the spool against rotation, and means for actuating the ribbon feeding meansand concomitantly rendering said locking means effective.
  • a manifolding typewriter the combination with a carriage having a platen past which a work sheet is fed, a non-rotatable shaft fixed to the carriage, a ribbon spool journaled on said shaft, a peripheral member rotatable about said shaft and connected to the spool to rotate therewith, said member being provided with a serrated surface arranged concentrically with respect to the shaft, ribbon feeding means mounted on the carriage, means for guiding the ribbon from the spool across the work sheet to said feeding means, means cooperating with the serrated surface of the member for tensioning the feeding movement of the ribbon, normally ineffective locking means adapted to co-operate with the serrated surface of the member to, retain the spool against rotation, and means for actuating the ribbon feeding means and concomitantly rendering said locking means effective.
  • a manifolding typewriter the combination with a carriage having a platen past which a work sheet is fed, a ribbon spool journaled on the carriage, ribbon feeding means mounted on the carriage, means for guiding the ribbon from the spool across the work sheet to said feeding means, a member connected to the ribbon spool to rotate therewith and provided with a serrated periphery, means cooperating with the periphery ofsaid member for tensioning the feeding movement of the ribbon, normally ineffective locking means adapted to cooperate with the periphery of the member to retain the spool against rotation comprising a lever, a locking pawl fixed to said lever and adapted to engage the serrated periphery of said member, and a spring for normally retaining said locking pawl out of engagement with the serrated periphery of said member, and means for actuating the ribbon feeding means and concomitantly rendering said locking means effective.
  • a manifolding typewriter the combination with a carriage having a platen past which a work sheet is fed, a ribbon spool journaled on the carriage, ribbon feeding means mounted on the carriage, means for guiding the ribbon from the spool across the work sheet to said feeding means, a member connected to the ribbon spool to rotate therewith and provided with a serrated periphery, means cooperating with the periphery 0 said member for tensioning the feeding movement of the ribbon comprising a lever, a serrated roller journaled on the lever for engaging the serrated periphery of said member, and a spring connected to the lever for retaining the roller in tensioning engagement with the serrated periphery of said member, normally ineffective locking means adapted to cooperate with the periphery of the member to retain the spool against rotation comprising a lever, a locking pawl fixed to said lever and adapted to engage the serrated eriphery of said member, and a spring or normally retaining said locking pawl out of engagement with
  • a manifolding typewriter the combination with a carria e havin a platen past which a work sheet is ed, a rib on spool journaled on the carriage, ribbon feeding means mounted on the carriage, means for guiding the ribbon from the spool across the work sheet to said feeding means, a member connected to the ribbon spool to rotate therewith and provided with a serrated periphery means cooperating with the periphery of said member for tensioning the feeding movement of the ribbon, normally ineffective locking means adapted to cooperate with the periphery of the member to retain the spool against rotation, means for actuatin the ribbon feeding means and concomitantly rendering said locking means effective, and means including a manually rockable cam shaft for releasing the tensioning means from the serrated member and for simultaneously further retracting the locking means.
  • a carriage having a platen past which work sheets are fed, a non-rotatable shaft fixed to the carriage, a plurality of ribbon spools journaled on said shaft, peripheral members respectively disposed intermediate said spools and respectively connected thereto for rotation therewith, ribbon feeding means mounted on the carriage, means for guiding the ribbons from the spools across the work sheets and interleaved therewith to said feeding means, separate means cooperating with the peripheries of the members for tensioning the feeding movements of the ribbons, a plurality of normally ineffective locking means adapted to respectively cooperate with the peripheries of the members to retain the spools against rotation, means for actuating the ribbon feeding means and concomitantly rendering said locking means effective,
  • a carriage having a platen past which work sheets are fed a non-rotatable shaft fixed to the carriage, a plurality of ribbon spools journaled on said shaft, peripheral members respectively disposed intermediate said spools and respectively connected thereto for rotation therewith, ribbon feeding means mounted on the carriage, means for guiding the ribbons from the spools across the work sheets and interleaved therewith to said feeding means, separate means cooperating with the peripheries of the members for tensioning the feeding movements of the ribbons, a plurality of normally ineffective locking means adapted to respectively cooperate with the eripheries of the members to retain the spoo s against rotation, means for actuating the ribbon feeding means and concomitantly rendering said locking means effective, a rockable cam shaft located beyond the peripheries of the members and disposed in parallelism with the spool-supporting shaft, operative connections between the tensionlng means and the cam shaft and between the locking means and the cam shaft,
  • a manifolding typewriter the combination with a carriage having a platen past which a work sheet is fed, of a collating frame fulcrumed on the carriage to swing forwardly from a normally rearwardly inclined position and forming a support for the platen whereby the latter will be bodily moved rearwardly simultaneously with the forward swinging of the frame, a ribbon spool journaled on the carriage, ribbon feeding means mounted on the carriage, means for guiding the ribbon from the spool across the work sheet and in front of said platen to said feeding means, a peripheral member connected to the ribbon spool to rotate therewith and prowardly, for actuating the ribbon feedingv means, and for rendering the ribbon locking means effective.
  • a manifolding typewriter the combination with a carriage having a platen past which a work sheet is fed, of a collating frame fulcrumed on the carriage to swing forwardly from a normally rearwardly inclined po-- sition and forming a support for the platen whereby the latter will be bodily moved rearwardl simultaneously with the forward swingmg of the frame, a ribbon spool journaled on the carriage, ribbon feeding means mounted on the carriage, means for guiding the ribbon from the spool across the work sheet and in front of said platen to said feeding means, a peripheral member connected to the ribbon spool to rotate therewith and provided with a serrated periphery, means cooperating with the periphery of said member for tensioning the feeding movement of the ribbon, normally ineffective locking means adapted to cooperate with the periphery of the member to retain the spool against rotation, and means including a single manually operable lever for swinging the collating frame forwardly and the platen rearwardly, for actuating the ribbon feeding means,
  • a manifolding typewriter the combination with a carriage having a platen past which a work sheet is fed, of a collating frame fulcrumed on the carriage to swing forwardly from a normally rearwardly inclined position and forming a support for the platen whereby the latter will be bodily moved rearwardly simultaneously with the forward swinging of the frame, a ribbon spool journaled on the carriage, ribbon feeding means mounted on the carriage, means for guiding the ribbon from the spool across the work sheet and in front of said platen to said feeding means, a peripheral member connected to the ribbon spool to rotate therewith and provided with a serrated periphery, means cooperating with the periphery of said member for tensioning the feeding movement of the ribbon, normally ineffective locking means adapted to cooperate with the periphery of the member to retain the spool against rotation, connections between the collating frame and the ribbon feeding means for actuating the latter upon forward swinging movement of the former, and means including a single manually operable lever for swinging the collatin
  • a carriage having a platen past which work sheets are fed a non-rotatable shaft fixed to the carriage, a plurality of ribbon spools journaled on said shaft, peripheral members respectively disposed intermediate said spools and respectively connected thereto fpr rotation therewith, ribbon feeding means mounted on the carriage, means for guiding the ribbons from the spools across the work sheets and interleaved therewith to said feeding means, separate means cooperating with the peripheries of the members for tensioningthe feeding movements of the ribbons, a plurality of normally inefl'ective locking means adapted to respectively cooperate with the peripheries of the members to retain the spools against rotation, and means for actuating the ribbon feeding means and concomitantly rendering said locking means effective.
  • a carriage having a platen past which work sheets are fed a non-rotatable shaft fixed to the carriage, a plurality of ribbon spools journaled on said shaft, peripheral members respectively disposed intermediate said spools and respectively connected thereto for rotation therewith, ribbon feeding means mounted on the carriage, means for guiding the ribbons from the spools across the work sheets and interleaved therewith to said feeding means, separate means cooperating with the peripheries of the mem-' bers for tensioning the feeding movement of the ribbons, comprising a plurality of levers, a serrated roller journaled on each lever for engaging the serrated periphery of the associated member, and springs respectively conncted to the levers for retaining the rollers in tensioning engagements with the members, normally ineffective locking means adapted to respectively cooperate with the peripheries of the members to retain the spools against rotation, and means for actuating the ribbon feeding means and concomitantly
  • a ribbon spool assembly the combination with a supporting frame, of a non-rotatable shaft fixed thereto, a ribbon spool 'ournaled on said shaft, a peripheral memer fixed to the spool to rotate therewith, means cooperating with the periphery of said member for constantly tensioning the spool, normally ineffective locking means adapted to engage the periphery of said member, and means for rendering said locking means effective.
  • a ribbon spool assembly the combination with a supporting frame, of a non-rotatable shaft fixed thereto, a plurality of ribbon spools j ournaled on the shaft, a plurality of members respectively connected to the spools to rotate therewith and provided with serrated peripheries, means respectively cooperating with the peripheries of the members for constantly tensioning the spools, normally ineffective locking means adapted to respectively engage the peripheries of the members to retain the spools against rotation, and means for rendering said locking means effective.
  • a ribbon spool assembly the combination with a supporting frame, of a nonrotatable shaft fixed thereto, a plurality of ribbon spools journaled on the shaft, a plurality of members respectively connected to the spools to rotate therewith and provided with serrated peripheries, means respectively cooperating with the peripheries of the members for constantly tensioning the spools comprising a plurality of levers, serrated rollers respectively journaled on the levers for engaging the serrated peripheries of said members, and springs connected to the leversfor retaining the rollers in tensioning engagement with the serrated peripheries of the members, normally ineffective locking means adapted to respectively engage the peripheries of the members to retain the spools against rotation, and means for rendering said locking means effective.
  • a ribbon spool assembly the combination with a supporting frame, of a nonrotatable shaft fixed thereto, a plurality of ribbon spools journaled on the shaft, a plurality of members respectively connected to the spools to rotate therewith and provided with serrated peripheries, means respectively cooperating with the peripheries of the members for constantly tensioning the spools, normally ineffective locking means adapted to respectively engage the peripheries of the members to retain the spools against rotation and including a plurality of levers, locking pawls respectively connected to the levers for engaging the serrated peripheries of the members, means cooperating with the levers for normally retaining said pawls in ineffective locking positions, and means for rendering said locking means effective.
  • a ribbon spool assembly the combination with a supporting frame, of a nonrotatable shaft fixed thereto, a plurality of ribbon spools journaled on the shaft, a plurality of members respectively connected to the spools to rotate therewith and provided with serrated peripheries, means respectively cooperating with the peripheries of the members for constantly tensioning the spools comprising a plurality of levers, serrated rollers respectively journaled on the levers for en gaging the serrated peripheries of said members, and spring connected to the levers for retaining the rollers in tensioning engagement with the serrated peripheries of the members, normally ineffective locking means adapted to respectively engage the peripherics of the members to retain the spools against rotation and including a plurality of levers, locking pawls respectively connected to the levers for engaging the serrated peripheries of the members, means cooperating with the levers for normally retaining said pawls in ineffective locking positions, and means for rendering said locking
  • a ribbon spool assembly the combination with a supporting frame, of a nonrotatable shaft fixed thereto, a plurality of ribbon spools journaled on the shaft, a plurality of members respectively connected to the spools to rotate therewith and provided with serrated peripheries, a bearing rod supported on the frame beyond the peripheries of the members and disposed in parallelism with the spool-supporting shaft, a plurality of spool tensioning levers fulcrumed on the bearmg rod and respectively engaging the serrated peripheries of the members, a plurality of locking pawls fulcrumed on the bearing rod for cooperation with the respective serrated peripheriesof the members, a coil spring connecting each tension lever and the associated locking pawl for normally urging the locking pawl.
  • a universal frame fulcrumed on the bearing rod and common to all of the locking pawls a spring connecting the universal frame and the supporting frame for normally retaining the locking pawls in ineflective locking positions, and a manually operable lever connected to the universal frame for moving the latter against the tension of its spring wherebv the locking pawls will be moved into effective looking engagements with the members by the springs which connect the tension levers with the locking pawls.
  • a ribbon spool assembly the combination with a supporting frame, of a nonrotatable shaft fixed thereto, a ribbon spool j ournaled on said shaft, a peripheral member fixed to the spool to rotate therewith and provided with a serrated periphery, means cooperating with the periphery of said member for constantly tensioning thespool, normally ineffective locking means adapted to engage the periphery of said member, means for rendering said locking means effective, and manually operable means for releasing the tensioning means from engagement with the serrated periphery of said member.
  • a ribbon spool assembly the combination with a supporting frame, of a nonrotatable shaft fixed thereto, a plurality of ribbon spools journaled on the shaft, a plurality of members respectively connected to the spools to rotate therewith and provided with serrated peripheries, means respectively cooperating with the peripheries of the.
  • a ribbon spool assembly In a ribbon spool assembly, the combination with a supporting frame, of a non-V tive, a rockable cam shaft located beyond the peripheries of the members and disposed in parallelism with the spool-supporting shaft, operative connections between the tensioning means and the cam shaft and between the locking means and the cam shaft, and a manually operable hand/lever fixed to the cam shaft for rocking the same to effect a release of all tensioning means and to further retract all of the locking means.
  • a ribbon spool assembly the combination with a supporting frame, of a nonrotatable shaft fixed thereto, a plurality of ribbon spools j ournaled on the shaft, a plurality of members respectively connected to the spools to rotate therewith and provided with serrated peripheries, means respectively cooperating with the peripheries of the members for constantly tensioning the spools comprising a plurality of levers, serrated rollers respectively journaled on the levers for engaging the serrated peripheries of said members, and springs connected to the lever for retaining the rollers in tensioning engagement with the serrated peripheries of the members, normally ineffective locking means adapted to respectively engage the peripheries of the members to retain the spools against rotation, means for rendering said locking means effective, and manually operable means for releasing the tensioning means from engagements with the serrated peripheries of said members.
  • a ribbon spool assembly the combination with a supporting frame, of a nonrotatable shaft fixed thereto, a plurality of ribbon spools journaled on the shaft, a plurality of members respectively connected to the spools to rotate therewith and provided with serrated peripheries, means respectively cooperating with the peripheries of the members for constantly tensioning the spools, nor mally ineffective locking means adapted to respectively engage the peripheries of the members to retain the spools against rotation and including a, plurality of levers, locking pawls respectively connected to the leversfor engaging the serrated peripheries of the members, means cooperating with the levers for normally retaining said pawls in inefiective locking positions, means for rendering said locking means effective, and manually operable means for releasing the tensioning means from engagements with the serrated peripheries of said members.
  • a ribbon spool assembly the combination with a supporting frame, of a nonrotatable shaft fixed thereto, a plurality of ribbon spools journaled on the shaft, a plurality of members respectively connected to the spools to rotate therewith and provided with serrated peripheries, a bearing rod supported on the frame beyond the peripheries of the members and disposed in parallelism with the spool-supporting shaft, a plurality of spool tensioning levers fulcrumed on the bearing rod and respectively engaging the serrated peripheries of the members, a plurality of locking pawls fulcrumed on the bearing rod for cooperation with the respective serrated peripheries of the members, a coil spring connecting each tension lever and the associated locking pawl for normally urging the locking pawl into locking engagement with the associated member, a universal frame fulcrumed on the pivot shaft and common to all of the locking pawls, a spring connecting the universal frame and the supporting frame for normally retaining the locking pawls in
  • a rotatable ribbon spool including a peripheral member rotatable therewith, ribbon feeding means, means cooperating with the periphery of said member for tensioning the feeding movement of said ribbon, normally ineffective means adapted to cooperate with the periphery of said member to lock the spool against feeding movement, and means for rendering said locking means effective.
  • a rotatable ribbon spool including a disc rotatable therewith and having a serrated periphery, ribbon feeding means, means cooperating with the periphery of said disc for tensioning the feeding movement of said ribbon, a normally ineffective clutch pawl adapted to lock the spool against ieedin movement, and
  • a plurality of ribbon spools individually rotatable about a common axis and each including a ripheral member rotatable therewith, ribon feeding means, separate means res ectively coo erating with the peripheries o the members ibr individually tensioning the feedin movements of the ribbons, normally ine ective means adapted to cooperate with the peripheries ofthe members to lock the spools against feeding movements, means for rendering said locking means eflective, and means for releasing simultaneously all of the tensioning means from the members.
  • a ribbon spool assembly the combination with a rotatable ribbon spool including a member having a serrated periphery, a tension roller having a serrated periphery consistent with and normally engaged with the serrated periphery of the member to tension the spool against feeding rotation, normally ineffective means including a locking pawl having a serrated surface consistent with and adapted to engage the serrated periphery of the member to lock the spool against feeding rotation, and means for rendering said lockin means eflective.

Landscapes

  • Impression-Transfer Materials And Handling Thereof (AREA)
  • Braking Arrangements (AREA)
US547694A 1931-06-27 1931-06-27 Typewriting machine Expired - Lifetime US1891413A (en)

Priority Applications (21)

Application Number Priority Date Filing Date Title
FR739002D FR739002A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1931-06-27
US546858A US1890547A (en) 1931-06-27 1931-06-27 Manifolding device
US549772A US1891567A (en) 1931-06-27 1931-06-27 Manifolding attachment
US562788A US1891590A (en) 1931-06-27 1931-06-27 Typewriting machine
US547694A US1891413A (en) 1931-06-27 1931-06-27 Typewriting machine
US547382A US1891569A (en) 1931-06-27 1931-09-14 Manifolding attachment
GB16480/32A GB402484A (en) 1931-06-27 1932-06-10 Improvements in ink ribbon mechanism
GB16836/32A GB402493A (en) 1931-06-27 1932-06-14 Improvements in ink-ribbon mechanism
GB16835/32A GB402492A (en) 1931-06-27 1932-06-14 Improvements in ink-ribbon mechanism
GB16837/32A GB402494A (en) 1931-06-27 1932-06-14 Improvements in ink ribbon mechanism
GB16838/32A GB402495A (en) 1931-06-27 1932-06-14 Improvements in ink ribbon mechanism
FR738910D FR738910A (fr) 1931-06-27 1932-06-21 Perfectionnements aux dispositifs pour la production de copies multiples dans les machines à écrire et similaires
FR738931D FR738931A (fr) 1931-06-27 1932-06-22 Perfectionnements aux dispositifs de fixation des copies multiples
FR739101D FR739101A (fr) 1931-06-27 1932-06-25 Perfectionnements aux modes de fixation des copies multiples
DER85231D DE625267C (de) 1931-06-27 1932-06-26 Farbbandschalt- und -feststellvorrichtung, insbesondere fuer Schreibmaschinen, bei denen die Durchschlaege mit Hilfe von Hilfsfarbbaendern hergestellt werden
DER85262D DE658820C (de) 1931-06-27 1932-06-28 Farbbandschalt- und -feststellvorrichtung, insbesondere fuer Schreibmaschinen, bei denen die Durchschlaege mit Hilfe von Hilfsfarbbaendern hergestellt werden
FR739229D FR739229A (fr) 1931-06-27 1932-06-29 Perfectionnements aux machines à écrire
DER85280D DE658821C (de) 1931-06-27 1932-06-30 Farbbandschalt- und -feststellvorrichtung, insbesondere fuer Schreibmaschinen, bei denen die Durchschlaege mit Hilfe von Hilfsfarbbaendern hergestellt werden
DER88712D DE619248C (de) 1931-06-27 1932-07-03 Schreibmaschine mit Vervielfaeltigungsvorrichtung
DER85307D DE660240C (de) 1931-06-27 1932-07-03 Farbbandschalt- und Feststellvorrichtung, insbesondere fuer Schreibmaschinen, bei denen die Durchschlaege mit Hilfe von Hilfsfarbbaendern hergestellt werden
DER85305D DE658822C (de) 1931-06-27 1932-07-03 Farbbandschalt- und -feststellvorrichtung, insbesondere fuer Schreibmaschinen, bei denen die Durchschlaege mit Hilfe von Hilfsfarbbaendern hergestellt werden

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US546858A US1890547A (en) 1931-06-27 1931-06-27 Manifolding device
US562788A US1891590A (en) 1931-06-27 1931-06-27 Typewriting machine
US547694A US1891413A (en) 1931-06-27 1931-06-27 Typewriting machine
US549772A US1891567A (en) 1931-06-27 1931-06-27 Manifolding attachment
US547382A US1891569A (en) 1931-06-27 1931-09-14 Manifolding attachment

Publications (1)

Publication Number Publication Date
US1891413A true US1891413A (en) 1932-12-20

Family

ID=27541879

Family Applications (5)

Application Number Title Priority Date Filing Date
US547694A Expired - Lifetime US1891413A (en) 1931-06-27 1931-06-27 Typewriting machine
US546858A Expired - Lifetime US1890547A (en) 1931-06-27 1931-06-27 Manifolding device
US549772A Expired - Lifetime US1891567A (en) 1931-06-27 1931-06-27 Manifolding attachment
US562788A Expired - Lifetime US1891590A (en) 1931-06-27 1931-06-27 Typewriting machine
US547382A Expired - Lifetime US1891569A (en) 1931-06-27 1931-09-14 Manifolding attachment

Family Applications After (4)

Application Number Title Priority Date Filing Date
US546858A Expired - Lifetime US1890547A (en) 1931-06-27 1931-06-27 Manifolding device
US549772A Expired - Lifetime US1891567A (en) 1931-06-27 1931-06-27 Manifolding attachment
US562788A Expired - Lifetime US1891590A (en) 1931-06-27 1931-06-27 Typewriting machine
US547382A Expired - Lifetime US1891569A (en) 1931-06-27 1931-09-14 Manifolding attachment

Country Status (4)

Country Link
US (5) US1891413A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (6) DE625267C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (5) FR738910A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (5) GB402484A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2419036A (en) * 1943-04-28 1947-04-15 Egry Register Co Ribbon feed mechanism for manifolding machines
DE1199288B (de) * 1956-04-28 1965-08-26 Ibm Deutschland Farbbandspulenanordnung in Zusatzeinrichtungen fuer Schreibmaschinen

Also Published As

Publication number Publication date
US1891590A (en) 1932-12-20
FR738910A (fr) 1932-12-31
FR738931A (fr) 1932-12-31
DE658820C (de) 1938-04-19
GB402492A (en) 1933-12-07
DE658822C (de) 1938-04-19
US1890547A (en) 1932-12-13
US1891569A (en) 1932-12-20
GB402494A (en) 1933-12-07
GB402484A (en) 1933-12-07
DE625267C (de) 1936-02-10
FR739229A (fr) 1933-01-06
US1891567A (en) 1932-12-20
DE658821C (de) 1938-04-19
GB402493A (en) 1933-12-07
FR739101A (fr) 1933-01-05
GB402495A (en) 1933-12-07
DE660240C (de) 1938-05-23
DE619248C (de) 1935-09-30
FR739002A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1932-12-31

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