EP0279243B1 - Cartouche à ruban encreur à bobines rechargeables - Google Patents

Cartouche à ruban encreur à bobines rechargeables Download PDF

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Publication number
EP0279243B1
EP0279243B1 EP88101215A EP88101215A EP0279243B1 EP 0279243 B1 EP0279243 B1 EP 0279243B1 EP 88101215 A EP88101215 A EP 88101215A EP 88101215 A EP88101215 A EP 88101215A EP 0279243 B1 EP0279243 B1 EP 0279243B1
Authority
EP
European Patent Office
Prior art keywords
winding
core
receiving bore
fixing element
cassette
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
EP88101215A
Other languages
German (de)
English (en)
Other versions
EP0279243A3 (en
EP0279243A2 (fr
Inventor
Heinz Lange
Hans-Peter Dipl.-Ing. Heins
Hermann Jendricke
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.)
AEG Olympia Office GmbH
Original Assignee
AEG Olympia Office GmbH
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 claimed from DE19873705058 external-priority patent/DE3705058A1/de
Priority claimed from DE19873742860 external-priority patent/DE3742860A1/de
Application filed by AEG Olympia Office GmbH filed Critical AEG Olympia Office GmbH
Publication of EP0279243A2 publication Critical patent/EP0279243A2/fr
Publication of EP0279243A3 publication Critical patent/EP0279243A3/de
Application granted granted Critical
Publication of EP0279243B1 publication Critical patent/EP0279243B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B41J33/00—Apparatus or arrangements for feeding ink ribbons or like character-size impression-transfer material
    • B41J33/003—Ribbon spools
    • B41J33/006—Arrangements to attach the ribbon to the spool
    • 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
    • B41J31/00—Ink ribbons; Renovating or testing ink ribbons
    • B41J31/10—Ink ribbons having arrangements to facilitate threading through a machine
    • 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
    • B41J32/00—Ink-ribbon cartridges
    • 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
    • B41J33/00—Apparatus or arrangements for feeding ink ribbons or like character-size impression-transfer material

Definitions

  • the invention relates to a ribbon cassette with reloadable ribbon spools of the type specified in the preamble of claim 1.
  • a removable cassette for a carbon band in a printer with a rotatable drive element for feeding the band has become known, the cassette consisting of a housing and a take-up reel for the tape.
  • a swiveling feed roller interacts with a spiked wheel with a take-up spool arranged on a fixed axis in order to wind up the carbon strip.
  • the feed roller with the spike wheel must first be disengaged from the take-up spool. In this changing process, several manual operations are required, since the feed roller must also be brought back into engagement with the take-up reel after inserting a new cassette into the take-up device of the machine.
  • DE-PS 25 53 329 shows an ink ribbon cassette for a typewriter or office machine of a similar type, in which the feed roller with the spike wheel is arranged in the cassette.
  • the feed roller remains in constant engagement with the carbon tape of the take-up spool. This makes it possible to replace ribbon cartridges with only one hand.
  • This known ribbon cassette is very expensive, since the drive elements contained in the ribbon cassette for the carbon ribbon are also thrown away after their consumption. Since the feed roller is also always in engagement with the take-up spool and the drive elements are mounted on the one hand in the base part and on the other hand in the cover firmly connected to the base part, it is not possible to replace the feed and take-up spools.
  • the invention has for its object to provide a ribbon cassette with reloadable ribbon spools, which ensures easy connection of the ribbon with the winding core, after which the printing process can take place undisturbed until the new ribbon is used.
  • This object is achieved by the invention characterized in claim 1.
  • the support surface arranged around the bearing journal for the take-up spool creates a secure support for the winding core and a stop surface for the fastening element when it is inserted into the take-up bore. Due to the free end of the fastener, there are no more disturbances during the winding process. An advantageous further development makes it much easier to thread the fastening element into the receiving bore of the winding core.
  • FIG. 1 shows a reloadable ink ribbon cassette 1, which consists of a pot-shaped base part 2 and a cover 3 which can be closed at the opening.
  • the cover 3 can be articulated to a side wall 4 of the base part 2 and can be firmly connected to the base part by means of a locking lever 5.
  • This locking lever 5 is pivotable about an axis 6 in the bottom part and has a control arm 7, the free end 8 of which is in positive engagement with a guide surface 9 of a pivot lever 10.
  • the pivot lever 10 can be acted upon in a clockwise direction about an axis 11 by means of a spring 12.
  • a take-up reel 15 is rotatably mounted about bearing pin 14.
  • the locking lever 5 is in the pivoted position, the lid 3 is released and can be pivoted freely in the open or in the closed position about bearing points 16, 17.
  • the take-up reel 15 is also kept out of engagement with a spike wheel 18 of a feed roller 19.
  • the feed roller 19 is fixedly connected to a gear 20, which is in constant engagement with a drive pinion 21.
  • This drive pinion 21 has a cross slot 22 which can be coupled in a form-fitting manner to a cutting edge 24 which is drivably mounted in the receiving device 23.
  • the bottom part 2 has a further journal 25 for a feed spool 26, on the core 27 of which a supply roll 28 of an ink ribbon 29 is arranged.
  • the free end of the ribbon 29 has a guide pin 90 with a fastener 92 which, for. B. is cylindrical and is fixedly connected to an eyelet at the free end of the ribbon 29.
  • the ink ribbon 29 can be laid around deflection pins 35, 36, pulled out of the outlet opening 37, inserted into the inlet opening 38 and connected to the winding spool 15.
  • the take-up reel 15 has a Receiving hole 39 for the fastener 92 of the guide pin 90.
  • the receiving bore 39 is provided with a passage slot 40 for the ink ribbon 29.
  • a cover plate 42 can be placed on the free end face 41 of the feed reel 26 which can be inserted into the cassette 1 and is provided with a contact edge 43 for the fastening element 92 on the guide pin 90 arranged on the free end of the ink ribbon 29 of the feed reel 26.
  • the cover plate 42 projects beyond the end face 41 of the feed spool 26 at least in the region of the contact edge 43 in such a way that the first turns of the ink winder 28 can be blocked off in the axial direction.
  • the cover plate 42 also has an outer contour corresponding to the inner contour of the cassette 1, such that the cover plate 42 is secured against rotation after the insertion of the feed reel 26 into the cassette 1.
  • the core 27 of the feed spool 26 is provided with a handle protruding from the end face 41 of the feed roll 28, on which the cover plate 42 is arranged such that it can be locked.
  • the cover plate 42 has a recess with inwardly projecting centering lugs for central storage on the hollow cylindrical handle.
  • Free workings 51, 52, 53, 54 are arranged radially aligned between these individual centering noses 47, 48, 49, 50.
  • the free working 54 consists of an elongated recess 55, which serves as a viewing slot and is arranged in the direction of escape when the hinged lid is closed with a viewing slot 56 in the hinged lid 3.
  • the cover plate 42 has a recess 57 for the winding 58 of the take-up spool 15.
  • the full roll 58 of the take-up reel 15 then protrudes into the recess 57 in the cover plate 42. Therefore, the recess 57 is concave to the core 27 of the feed spool 26.
  • the pivot lever 10 has a circular bearing surface 81 for the winding core 15 concentric with the bearing pin 14, such that the insertion of the fastening element 92 can be limited with the guide pin 90. Thereafter, the guide pin 90 is separated by a notch 93 from the fastening element 92 by breaking off.
  • the winding 58 of the take-up reel 15 is supported with increasing diameter on raised surfaces 79, 80 in the base part 2, which are arranged in the vicinity of the circumference of the locking toothed disk 78 with the circumferential locking toothed disk 78.
  • a locking tooth 77 of a locking lever 70 acted upon by a spring 75 can be brought into engagement.
  • the locking lever 70 can be pivoted about an axis 71 in the base part 2 and has two arms. On an arm 74 of this locking lever 70 there is a bearing pin 76 for the deflection roller 36 designed as a deflection point for the ink ribbon 29.
  • the second arm 72 of the locking lever 70 has a stop surface 73 which can be acted upon by a stop arm 13 of the pivot lever 10. If the locking lever 5 is brought into the pivoted-out position according to FIG. 1, then the pivot lever 10 is pivoted counterclockwise about the axis 11 and, via its stop arm 13, the locking lever 70 is pivoted clockwise about the bearing axis 71. Here, the take-up reel 15 disengages from the toothing 18 of the drive roller 19 and the locking tooth 77 disengages from the toothing of the locking toothed disk 78. When the pivoting lever 10 returns to the position shown in dashed lines in FIG ) on the toothing 18. In addition, the ratchet tooth 77 is again in engagement with the toothing of the ratchet gear 78.
  • the take-up spool 15 is rotated clockwise, as a result of which the ink ribbon 29 is moved one step in the direction of arrow 84.
  • the locking lever 70 is pivoted clockwise, causing the locking tooth 77 comes out of engagement with the teeth of the locking gear 78.
  • the locking lever 70 immediately returns to its locked position. Since the winding on the take-up spool is supported on the raised surfaces 79, 80 with increasing diameter, the rotational movement of the ratchet gear 78 is not hindered by the ratchet tooth 77 when it is released.
  • the raised surfaces 79, 80 are of such a height that the winding of the take-up spool 15 does not touch the locking gear 78.
  • the take-up spool 15 is rotatably mounted with a bearing bore 117 in the core 85 around a bearing journal 14 and with a bearing surface 118 on a support surface 81 which is located just below the reception bore 39; 86 for the fastening element 92 according to FIG. 2 is arranged on the ink ribbon 29.
  • the support surface 81 is circular and serves as a stop surface for the fastening element 92 when inserted into the receiving bore 86 of the winding core 85. This creates a secure end position of the inserted fastening element 92, after which this fastening element 92 is reduced by a cross-section 93 by a handle provided guide pin 90 is easily separable by breaking.
  • the length of the fastening element 92 is smaller than the width of the winding core 85, so that the break on the fastening element 92 after its separation from the guide pin 90 is always within the contour of the winding core 85. Since the fastening element 92 does not protrude from the receiving bore 86, there can also be no disturbances in the rotational movement of the winding core 85 when the ink ribbon 29 is wound up. 2, the fastening element 92 can only be clamped in the receiving bore 86 in the central region. Incidentally, the toothing 18 of the drive roller 19 only interacts with the winding core in the central region.
  • the receiving bore 86 in the region of the circumferential center of the winding core 85 has an opening slot 89 for the passage of the ink ribbon 29 when the fastening element 92 is inserted.
  • This also enables the opening slot 89 to merge into extensions 87, 88 with run-in bevels toward the end faces 112, 113 of the winding core 85.
  • These extensions have a width that is larger than the diameter of the fastening element 92 with the ink ribbon 29 attached to it.
  • These extensions 87, 88 enable easier fastening of the fastening element 92 in the receiving bore 86.
  • extensions 87, 88 are formed symmetrically to the circumferential center of the winding core 85 such that the winding core 85 is placed on the bearing journal 14 from both end faces 112, 113 of the Winding core 85 is possible. The person operating the machine can thus place the winding core 85 on the bearing journal 14 as desired.
  • FIG. 3 shows a further possibility of simply connecting the ink ribbon 29 to a winding core 102.
  • the fastening element consists of a locking bush 100 which can be inserted into the receiving bore 103 of the winding core 102 by means of a guide pin 94 and can be locked in the receiving bore 103.
  • the locking bush 100 has a locking notch 101 in the center of the outer circumference, into which resilient locking lugs 114 can be locked in the middle of the receiving bore 103.
  • the receiving bore 103 is provided with conical extensions 104, 105 from the locking lugs 114 to the two end faces 110, 111. This greatly facilitates the threading of the fastening element on the guide pin 94.
  • the walls 108, 109 of the receiving bores 103 are resiliently formed by undercuts 106, 107. This ensures a secure locking of the locking bush 100 in the receiving bore 103.
  • the locking bushing 100 is inserted into the receiving bore 103 of the winding core 102 via a guide pin 94 which is provided with a cylindrical clamping part 95 at its lower end.
  • the cylindrical Clamping part 95 consists of two resilient legs 96, 97 separated from one another by a slot 98. These resilient legs 96, 97 are provided at their free ends with threading bevels 115, 116, by means of which the fastening element 15 is inserted into the receiving bore 99 of the locking bush 100 is facilitated.

Landscapes

  • Impression-Transfer Materials And Handling Thereof (AREA)

Claims (8)

  1. Cassette de ruban encreur comportant des bobines de ruban encreur susceptibles d'être rechargées,dont l'une est une bobine débitrice (26) destinée au déroulement et dont l'autre est une bobine réceptrice destinée à l'enroulement du ruban encreur (29) dans la cassette, laquelle comporte un couvercle (3) rabattable, susceptible de fermer une ouverture et comportant un élément (92) de fixation disposé à l'extrémité libre du ruban encreur de la bobine débitrice pleine, destiné à l'enfilage du ruban encreur autour des points de renvoi dans la cassette et à la fixation sur le noyau (85) de la bobine réceptrice, l'élément (92) de fixation pouvant être enfilé dans un alésage récepteur (86) disposé de façon excentrique dans le noyau de la bobine réceptrice et être séparé par cassure grâce à une réduction (93) de la section transversale d'une tige (90) de guidage munie d'une poignée,et la bobine réceptrice (15) étant montée au moyen d'une surface de support (118) contre l'extrémité libre du levier pivotant (10), caractérisée en ce que l'extrémité libre du levier pivotant (10) présente une surface d'appui (81) qui a une forme ronde et qui sert de surface de butée pour l'élément (92) de fixation lors de l'enfilage dans l'alésage récepteur (86) du noyau (85), et en ce que la longueur de l'élément de fixation (92) est inférieure à la largeur du noyau d'enroulement (85) de façon telle que l'emplacement de rupture sur l'élément (92) de fixation se trouve, après sa séparation d'avec la tige (90) de guidage, à l'intérieur du contour du noyau d'enroulement (85).
  2. Cassette selon la revendication 1, caractérisée en ce que l'alésage récepteur (86) présente, dans la zone du milieu de la périphérie du noyau d'enroulement (85), une fente d'ouverture (89) destinée à laisser passer le ruban encreur (29) lors de la mise en place de l'élément (92) de fixation qui se prolonge en direction des surfaces frontales (112, 113) du noyau d'enroulement (85) par des élargissements (87, 88) comportant des parties obliques d'entrée; et en ce que les élargissements (87, 88) sont conformés symétriquement par rapport au milieu de la périphérie du noyau d'enroulement (85) et présentent une largeur qui est supérieure au diamètre de l'élément (92) de fixation comportant le ruban encreur (29) fixé sur lui.
  3. Cassette selon la revendication 1, caractérisée en ce que l'élément de fixation est constitué par un manchon (100) d'encliquetage, qui peut être mis en place au moyen d'une tige (94) de guidage dans l'alésage récepteur (103) du noyau d'enroulement (102) et être encliqueté dans l'alésage récepteur (103).
  4. Cassette selon la revendication 3, caractérisée en ce que le manchon (100) d'encliquetage présente au milieu de la périphérie extérieure une rainure (101) d'encliquetage, dans laquelle des dents (114) élastiques d'encliquetage peuvent s'encliqueter au milieu de l'alésage récepteur (103).
  5. Cassette selon la revendication 4, caractérisée en ce que l'alésage récepteur (103) présente, à partir des dents d'encliquetage (114) jusqu'aux deux surfaces frontales (110, 111) des élargissements coniques (104, 105).
  6. Cassette selon la revendication 5, caractérisée en ce que les parois de l'alésage récepteur (103) ont une conformation faisant effet de ressort au moyen de contre-dépouilles (106, 107).
  7. Cassette selon la revendication 6, caractérisée en ce que le manchon (100) d'encliquetage présente un alésage (99) destiné à loger une pièce de blocage (95) de forme cylindrique ménagée sur la tige (94) de guidage, laquelle présente deux branches (96, 97) élastiques séparées l'une de l'autre par une fente (98).
  8. Cassette selon la revendication 7, caractérisée en ce que les branches (96, 97) faisant ressort élastique présentent à leurs extrémités libres des parties obliques (115, 116) destinées à faciliter l'enfilage (du ruban).
EP88101215A 1987-02-18 1988-01-28 Cartouche à ruban encreur à bobines rechargeables Expired - Lifetime EP0279243B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE3705058 1987-02-18
DE19873705058 DE3705058A1 (de) 1987-02-18 1987-02-18 Farbbandkassette mit nachladbaren farbbandspulen
DE19873742860 DE3742860A1 (de) 1987-02-18 1987-12-17 Farbbandkassette mit nachladbaren farbbandspulen

Publications (3)

Publication Number Publication Date
EP0279243A2 EP0279243A2 (fr) 1988-08-24
EP0279243A3 EP0279243A3 (en) 1989-08-09
EP0279243B1 true EP0279243B1 (fr) 1992-08-19

Family

ID=25852614

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88101215A Expired - Lifetime EP0279243B1 (fr) 1987-02-18 1988-01-28 Cartouche à ruban encreur à bobines rechargeables

Country Status (3)

Country Link
US (1) US4854755A (fr)
EP (1) EP0279243B1 (fr)
CA (1) CA1297340C (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3741360A1 (de) * 1987-12-07 1989-06-15 Triumph Adler Ag Aufnahmevorrichtung fuer einen traeger eines farbbandes in schreib- oder aehnlichen maschinen
ES2042261T3 (es) * 1989-03-08 1993-12-01 Franz Buttner Ag Cartucho de cinta entintada recargable.
US4986678A (en) * 1989-12-05 1991-01-22 Chiman Hwang Refillable ink ribbon cartridge for use in an electronic typewriter
ZA929834B (en) * 1991-12-19 1993-06-23 Telkor Pty Ltd Print ribbon cassettes.
WO1994022673A1 (fr) * 1993-04-06 1994-10-13 Ayres David W Cassette de ruban encreur jetable logee a l'interieur d'une cartouche rechargeable
US5415485A (en) * 1994-08-11 1995-05-16 Marenger; Michael L. Ribbon cartridge reloader
US5885014A (en) * 1997-10-07 1999-03-23 Eastman Kodak Company Printer defining a reduced exterior envelope thereof and method of providing same
USD453179S1 (en) 2000-07-27 2002-01-29 Iimak Printer cassette
USD458295S1 (en) 2000-07-27 2002-06-04 Iimak Printer cassette

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US272090A (en) * 1883-02-13 Music-roll
US1902007A (en) * 1927-09-15 1933-03-21 Ibm Printing ribbon
US2178346A (en) * 1936-08-25 1939-10-31 Leitz Ernst Gmbh Film reel attachment
US2366147A (en) * 1940-05-31 1944-12-26 A L Glasmann Typewriter reel
US3352169A (en) * 1962-09-26 1967-11-14 Columbia Broadcasting Syst Inc Reversible two speed tape drive
FR1391723A (fr) * 1963-09-16 1965-03-12 Bobine enrouleuse
US3731781A (en) * 1968-07-16 1973-05-08 Ibm Ribbon supply cartridge
IT1024899B (it) * 1974-11-25 1978-07-20 Olivetti Ing C S P A Cartuccia amovibile per un nastro careonato di macchine per scrivere contabili telescriventi e simi li macchine per ufficio
DE2618308A1 (de) * 1976-04-27 1977-11-17 Metrawatt Gmbh Aufwickelvorrichtung
DE2717076C3 (de) * 1977-04-18 1981-11-12 Nixdorf Computer Ag, 4790 Paderborn Farbbandeinrichtung für Druckwerke
US4265553A (en) * 1977-09-14 1981-05-05 Exxon Research & Engineering Co. Ribbon threading assembly for an impact printer
DE7801006U1 (de) * 1978-01-14 1978-06-08 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig, 8510 Fuerth Vorrichtung zur halterung des endes eines breiten magnetbandes
DE2951610A1 (de) * 1979-12-21 1981-07-02 Olympia Werke Ag, 2940 Wilhelmshaven Farbbandkassette fuer eine schreib- o.ae. bueromaschine
CH638438A5 (fr) * 1980-10-09 1983-09-30 Hermes Precisa International Cassette a ruban d'impression pour machine a ecrire.
EP0096494A3 (fr) * 1982-05-26 1984-05-09 Norcros Investments Limited Imprimeuse d'étiquettes
IT8353197V0 (it) * 1983-04-13 1983-04-13 Olivetti & Co Spa Cartuccia per un nastro di scrittura di macchine per scrivere
JPS6067948U (ja) * 1983-10-14 1985-05-14 ブラザー工業株式会社 印字リボンカセツト
DE3524057A1 (de) * 1985-07-05 1987-01-08 Olympia Ag Farbbandkassette fuer eine schreib- oder bueromaschine aehnlicher bauart
DE3524730A1 (de) * 1985-07-11 1987-01-15 Olympia Ag Farbbandspulen fuer eine nachladbare kassette einer schreib- oder bueromaschine aehnlicher bauart

Also Published As

Publication number Publication date
CA1297340C (fr) 1992-03-17
EP0279243A3 (en) 1989-08-09
EP0279243A2 (fr) 1988-08-24
US4854755A (en) 1989-08-08

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