EP0033532B1 - Farbbandkassette für eine Schreib- oder ähnliche Büromaschine - Google Patents

Farbbandkassette für eine Schreib- oder ähnliche Büromaschine Download PDF

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Publication number
EP0033532B1
EP0033532B1 EP81100710A EP81100710A EP0033532B1 EP 0033532 B1 EP0033532 B1 EP 0033532B1 EP 81100710 A EP81100710 A EP 81100710A EP 81100710 A EP81100710 A EP 81100710A EP 0033532 B1 EP0033532 B1 EP 0033532B1
Authority
EP
European Patent Office
Prior art keywords
ribbon
cassette
drive
roller
lever
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
Application number
EP81100710A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0033532A3 (en
EP0033532A2 (de
Inventor
Alfred Keiter
Wolfgang Mudder
Bernd Tappehorn
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.)
Olympia AG
Original Assignee
Olympia Werke AG
Olympia AG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6093624&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0033532(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Olympia Werke AG, Olympia AG filed Critical Olympia Werke AG
Priority to AT81100710T priority Critical patent/ATE9560T1/de
Publication of EP0033532A2 publication Critical patent/EP0033532A2/de
Publication of EP0033532A3 publication Critical patent/EP0033532A3/de
Application granted granted Critical
Publication of EP0033532B1 publication Critical patent/EP0033532B1/de
Expired 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
    • B41J33/14—Ribbon-feed devices or mechanisms
    • B41J33/36—Ribbon-feed devices or mechanisms with means for adjusting feeding rate

Definitions

  • the invention relates to an ink ribbon cassette for a typewriter or similar office machine with a housing of the type specified in the preamble of claim 1.
  • Typewriters or similar machines with an ink ribbon cassette generally use either textile ink ribbons, which are transported from one spool to the other or as an endless ribbon loop several times at the printing station, or simple carbon ribbons, which run through the machine only once, since each surface part of them Ribbons can only be used once for printing, or multi-carbon ribbons can be used, which also only run through the machine once, but in which individual surface sections provide a repeated print.
  • textile ribbons the size of the feed step is not so important, since each surface section of the ribbon is used several times.
  • the feed step must be an entire character width, while in the case of multi-carbon ribbons a drive device for the ribbon is required for their economical use, which produces a lower step feed.
  • the cassette In order to automatically switch a drive device for the ink ribbon to the respectively required operating mode simply by inserting the respective ink ribbon cassette, in a known drive device (DE-B 1611 454) the cassette has a training feature that changes the size of the transport step depending on the type of ink ribbon in it .
  • the transport roller arranged on the machine side is preceded by a transmission gear, which is inevitably switchable by the training feature of the cassette which changes the transport step, so that in one case a longitudinal transport step corresponding to the width of the type struck and in the other case causing an overlap of the type impressions on the ink ribbon is generated .
  • DE-A-28 10 768 discloses a drive device for an ink ribbon arranged in a cassette, the ink ribbon being fed by driving a drive roller.
  • This drive roller is connected to a device arranged on the machine side for generating a step feed of the ink ribbon which differs depending on the ink ribbon type.
  • this device On the output side, this device has two gear parts rotating at different peripheral speeds, of which only one gear part can be coupled to the transport roller arranged on the cassette side when the respective cassette is placed on it.
  • the coupling of the gearwheel firmly connected to the cassette with the other gearwheel arranged on the machine side is not always trouble-free, since the parts to be coupled are not always exactly in position with one another.
  • the removable cassette for a carbon band of typewriters and other office machines known from DE-A-2553329 does indeed have a gearwheel which interacts with the outermost turn of the take-up reel and can be driven by a drive element arranged on the machine side.
  • this known arrangement only allows a constant ribbon transport step and does not provide any possibility of driving the ribbon differently depending on the type of ribbon.
  • This known arrangement also does not allow optimal use of the storage space for the supply and take-up spools, since the toothed roller and the pivoting lever for the take-up spool are also arranged in the storage space.
  • the invention has for its object to provide an ink ribbon cassette by means of which a switching of the transport step depending on the type of ribbon can be initiated automatically when inserted into the receiving device of the machine.
  • the switching device required for this should also consist of simple and inexpensive parts to be assembled and manufactured. This object is achieved by the invention characterized in claim 1.
  • the transport step is also automatically determined when a new ribbon cassette is inserted, without any special manual actuation of the increment switching device being necessary. It is also possible to produce a common cassette housing for ribbon cassettes with different types of ribbon. This significantly reduces manufacturing and storage costs.
  • an ink ribbon cassette 1 is arranged ready for operation on a recording device 3 of a typewriter or similar office machine, which ver along a recording medium 5 is slidably arranged.
  • the record carrier 5 is arranged so that it can be transported in a known manner via a paper roller 7.
  • the ribbon or carbon ribbon 11 emerging from an exit slot 9 of the ribbon cassette 1 is unwound from a supply spool 13 and passed between the recording medium 5 and a type carrier 21 via a tensioning lever 15 and ribbon guide forks 17, 19.
  • the type carrier 21 is, for. B. a type plate with a plurality of radial slots, whereby elastic webs are formed, at the ends of which a type is arranged.
  • the setting of the type plate 21 takes place via a motor, not shown, which is also arranged on the receiving device 3.
  • the printing of a character takes place via a displaceably mounted hammer on the receiving device 3, which z. B. is driven by an electromagnet.
  • the ink ribbon 11 is pulled back into the cassette 1 by means of a drivable drive roller 23 and a pressure roller 25 which can be pressed against it, through an entry slot 27 and fed to a take-up reel 29.
  • the drive roller 23 is rotatably mounted on the one hand in the base plate 31 and on the other hand in the cover 33 of the cassette. At its end facing the cover 33, the drive roller 23 has a circumferential flange 35 which prevents the ink ribbon from touching the cover 33. Furthermore, near the ink ribbon entry point 27, a deflection roller 37 designed as a deflection guide is rotatably mounted in the cassette housing, by means of which a larger wrap of the ink ribbon 11 around the drive roller 23 is made possible. This deflection roller 37 also has a projecting flange 39, which ensures exact guidance of the ink ribbon 11.
  • the base plate 31 has guide surfaces 40 inclined towards the drive roller 23 and the deflection guides 37 in the region of the ink ribbon entry point 27. This ensures exact guidance of the ink ribbon 11.
  • the ink ribbon 11 is raised into the printing position by means of a lifting device (not shown) in order to produce an impression and, after the impression, is lowered into a visual position which releases the printing line.
  • the ink ribbon 11 is pivoted in the ink ribbon inlet slot 27 about a guide rib 42 arranged transversely behind it in the cartridge housing, thereby avoiding extensive contamination of the cartridge 1 and the machine.
  • This deflection guide 38 which is firmly connected to the base plate 31 of the cassette housing, ensures tight winding of the ink ribbon onto the take-up spool 29.
  • the free end of this deflection guide 38 is supported in the cover 33 by guide ribs 32 and 34.
  • the rib 34 and the flange 2 of the take-up spool 29 prevent the ink ribbon 11 from moving in height during the deflection around the deflection guide 38 and from coming into contact with the cover 33.
  • the top of the individual turns therefore forms a smooth surface after the winding process.
  • the pressure roller 25 is rotatably mounted on a pivot lever 26 which is pivotally mounted on the receiving device 3 about an axis 28.
  • This pivot lever 26 is designed with two arms, the pressure roller 25 being rotatably mounted on one arm 24 and the other arm 22 having a control cam with a latching recess 18 for a latching bolt 16.
  • This locking pin 16 is fixedly arranged on a locking lever 12 pivotally mounted about an axis 14 with a handle 10.
  • the pivot lever 26 can be reset by an articulated spring 8 in the counterclockwise direction about the axis 28.
  • the drive roller 23 and the pressure roller 25 have smooth surfaces and consist of polyurethane elastomers.
  • the surface of the drive roller 23 consists of a polyelastomer z. B. "Hytrel” "with a Shore hardness A 75-95, which ensures an exact transport of the ink ribbon 11 in other temperature ranges without the ink ribbon 11 sticking to the drive roller 23.
  • the drive roller 23 has an axial slot 6 accessible from below for engagement of the axially displaceable, knife-like drive element 4.
  • This drive element 4 is positively connected to a drive gear 41 of a ratchet mechanism and is rotatably mounted on the receiving device 3.
  • This drive gear 41 is arranged to be driven in a clockwise direction 45 via a drive pawl 43.
  • This drive pawl 43 is formed in one piece with a swivel lever 47 from a plastic part and is pivotably mounted on the receiving device 3 about the axis 49 of the drive gear 41. According to FIG. 7, the pivot lever 47 can be positively coupled to a drive lever 53 pivotable about an axis 51, on which a drive cam 55 is rotatably mounted.
  • This drive cam 55 is acted upon by an eccentrically articulated spring 57 in the counterclockwise direction and, by the interaction of its stop 59 with a release lug 61, a release pawl 63 is kept out of engagement with a gear 65 which can be driven by a drive motor 64, see FIG. 7.
  • the release pawl 63 is via a pull rod 67 connected to a pivot lever 68 which has an armature 69 for an electromagnet 71. If the electromagnet 71 is energized, the pivot lever 68 is pulled against the force of the return spring 73, the release pawl 63 being pivoted clockwise about an axis 75.
  • the ink or carbon ribbon 11 is drawn off from the supply reel 13 and rewound onto it by means of the winding reel 29 driven by the coil spring 79.
  • the release pawl 63 is returned to the starting position according to FIG. 7, the drive cam 55 being brought out of engagement again with the rotating gear 65.
  • the drive lever 53 and the swivel lever 47 are also returned to the starting position, with the drive gear 41 being prevented from rotating counterclockwise by a pawl 83.
  • the position of the guide pin 85 on the drive lever 53 can be changed to change the angle of rotation of the pivoting lever 47.
  • the guide pin 85 is displaceable in a radial slot 87 in the pivoting lever and can be locked in different locking points 89, 91 on the drive lever 53.
  • the guide pin 85 is fixed to a rocker arm 95 which is slidably and pivotably mounted on the drive lever 53.
  • the rocker arm 95 can be displaced and locked on the one hand with the guide pin 85 in a slot 97 with the bearing points 89, 91 and on the other hand can be moved in a second slot 99 with an articulated block 98.
  • the second slot 99 is arranged perpendicular to the first slot 97.
  • the adjustment lever is locked in the two end positions 89 and 93 by a spring 101 stretched between the rocker arm 95 and the drive lever 53.
  • the pivoting of the rocker arm from the latching position 91 into the latching position 89 takes place via an intermediate lever 102 according to FIG Axis 103 is pivotally arranged in the receiving device 3.
  • the intermediate lever 102 has a recess 104 on a first arm 105, the guide pin 85 and has a stop arm 106 on a second arm 107, which is operatively connected to a recess 108 on the pivot lever 26 for the pressure roller 25.
  • the pivot lever 12 is pivoted about the axis 14 in a counterclockwise direction via the handle 10.
  • the pivot lever 26 is pivoted clockwise about the axis 28 until the stop pin 16 has reached the latching recess 18.
  • the locking takes place against the return spring 8, which is articulated on the pivot lever 26 and acts counterclockwise. Since the pressure roller 25 is pivoted out of the cassette housing in the latching position of the pivoting lever 26, the cassette 1 can be removed from the receiving device 3.
  • the insertion of a new cassette takes place in the reverse manner, the pivot levers 12 and 26 being released after the insertion of a cassette with a single carbon band according to FIG.
  • the pivot lever 26 is pivoted by the return spring 8 so far in the counterclockwise direction until the pressure roller 25 comes into contact with the drive roller 23.
  • the swivel lever moves from position I to position II according to FIG. 1, the stop pin 106 on the intermediate lever 102 not yet being acted on, as a result of which the rocker arm 95 remains in the latching position 91 shown in FIG. 7.
  • the pivot lever 47 is pivoted to such an extent that the gear 41 is carried along via the drive pawl 43 to such an extent that the large step size required for single carbon bands is achieved. Each part of the carbon band may only be used once for printing.
  • a drive roller 110 is used in the cassette housing, which has a smaller diameter than that of the drive roller 23 for single carbon tapes.
  • the pivot lever 26 can be pivoted from position I to position 111, the intermediate lever 102 being pivoted counterclockwise about the axis 103 by striking the recess 108 against the stop pin 106.
  • the rocker arm 95 is pivoted from the locking position 91 into the locking position 89. Since the guide pin 85 is now effective on a longer lever arm of the pivot lever 47, the latter is pivoted by a correspondingly smaller angular path.
  • the drive gear 41 and the drive roller 110 firmly connected to it are driven by a correspondingly smaller angular path in such a way that the types struck one after the other are brought into overlapping contact with the ink ribbon.
  • the lower step feed rate ensures that the multiple carbon belt is used economically.
  • the step size changeover of the ratchet mechanism takes place automatically with the release of the pivot lever 26 with the pressure roller 25.
  • the smooth surfaces of the drive roller 23 and the pressure roller 25 prevent contamination of the machine.

Landscapes

  • Impression-Transfer Materials And Handling Thereof (AREA)
  • Pens And Brushes (AREA)
EP81100710A 1980-02-02 1981-01-31 Farbbandkassette für eine Schreib- oder ähnliche Büromaschine Expired EP0033532B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81100710T ATE9560T1 (de) 1980-02-02 1981-01-31 Farbbandkassette fuer eine schreib- oder aehnliche bueromaschine.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3003886 1980-02-02
DE19803003886 DE3003886A1 (de) 1980-02-02 1980-02-02 Farbbandkassette fuer eine schreib- o.ae. bueromaschine

Publications (3)

Publication Number Publication Date
EP0033532A2 EP0033532A2 (de) 1981-08-12
EP0033532A3 EP0033532A3 (en) 1982-10-27
EP0033532B1 true EP0033532B1 (de) 1984-09-26

Family

ID=6093624

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81100710A Expired EP0033532B1 (de) 1980-02-02 1981-01-31 Farbbandkassette für eine Schreib- oder ähnliche Büromaschine

Country Status (4)

Country Link
US (1) US4440514A (enrdf_load_stackoverflow)
EP (1) EP0033532B1 (enrdf_load_stackoverflow)
AT (1) ATE9560T1 (enrdf_load_stackoverflow)
DE (2) DE3003886A1 (enrdf_load_stackoverflow)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3003886A1 (de) * 1980-02-02 1981-08-13 Olympia Werke Ag, 2940 Wilhelmshaven Farbbandkassette fuer eine schreib- o.ae. bueromaschine
DE3015726C2 (de) * 1980-04-24 1985-07-11 Olympia Werke Ag, 2940 Wilhelmshaven Farbbandkassette mit einem Endlosgewebeband für eine Schreib- oder ähnliche Büromaschine
EP0054182B1 (de) * 1980-12-13 1984-08-01 Olympia Werke Ag Farbbandkassette für eine Schreib- oder ähnliche Büromaschine
DE3301933C2 (de) * 1983-01-21 1985-03-07 Triumph-Adler Aktiengesellschaft für Büro- und Informationstechnik, 8500 Nürnberg Vorrichtung zum Farbbandhub und -transport in Schreib- und ähnlichen Maschinen
GB2141073B (en) * 1983-06-10 1987-08-12 Ricoh Kk Ink ribbon feeding mechanism
DE3346607A1 (de) * 1983-12-23 1985-07-04 Olympia Werke Ag, 2940 Wilhelmshaven Endlosfarbbandkassette fuer eine schreib- oder aehnliche bueromaschine
JPH0661994B2 (ja) * 1984-05-29 1994-08-17 東京電気株式会社 サ−マルプリンタ
US4758108A (en) * 1985-09-26 1988-07-19 Brother Kogyo Kabushiki Kaisha Printing apparatus with carriage drive utilized to feed print and erase ribbons and/or to feed the print ribbon and shift the erase ribbon
DE3601484C1 (de) * 1986-01-20 1987-04-23 Triumph Adler Ag Farb- und Korrekturbandvorrichtung fuer Schreibmaschinen
DE3742860A1 (de) * 1987-02-18 1988-09-01 Olympia Aeg Farbbandkassette mit nachladbaren farbbandspulen
JPH0212857U (enrdf_load_stackoverflow) * 1988-07-11 1990-01-26
US5372439A (en) * 1992-12-18 1994-12-13 Zebra Technologies Corporation Thermal transfer printer with controlled ribbon feed
JP3066555B2 (ja) * 1993-01-29 2000-07-17 ブラザー工業株式会社 テープ巻取り機構
AU7202096A (en) * 1995-10-24 1997-05-15 Mannesmann Tally Corporation System for controlled inking of printer ribbons
NZ511792A (en) * 1998-11-20 2003-08-29 Skyepharma Canada Inc Dispersible phospholipid stabilized microparticles
USD453179S1 (en) 2000-07-27 2002-01-29 Iimak Printer cassette
USD458295S1 (en) 2000-07-27 2002-06-04 Iimak Printer cassette
CN1273112C (zh) * 2001-02-22 2006-09-06 斯凯伊药品加拿大公司 具有减少进食－禁食作用的贝特－它汀组合
US6910819B2 (en) * 2003-08-12 2005-06-28 Brady Worldwide, Inc. Printer cartridge
US7213807B2 (en) * 2003-11-07 2007-05-08 Paxar Americase, Inc. Stacker and method of batch separation with sheets
USD527761S1 (en) 2005-02-17 2006-09-05 International Imaging Materials, Inc. Printer cassette
US7234884B1 (en) * 2005-11-18 2007-06-26 Unisys Corporation Ribbon spool lock assembly

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DE7731025U1 (enrdf_load_stackoverflow) * 1900-01-01 Veb Kombinat Zentronik, Ddr 5230 Soemmerda
US3346090A (en) * 1963-05-31 1967-10-10 Ibm Ribbon feed mechanism
US3349887A (en) * 1964-12-28 1967-10-31 Ibm Ribbon mechanism
FR1549848A (enrdf_load_stackoverflow) * 1967-01-13 1968-12-13
US3604549A (en) * 1968-07-16 1971-09-14 Ibm Dual feed rate ribbon mechanism and supply cartridge therefor
US3643779A (en) * 1970-12-14 1972-02-22 Scm Corp Ribbon mechanism for cartridge supported ribbons
IT942662B (it) * 1971-10-04 1973-04-02 Olivetti & Co Spa Cartuccia per nastro carbonato di una macchina per scrivere calcolatrice contabile o simili macchine per ufficio
JPS534443B2 (enrdf_load_stackoverflow) * 1972-04-20 1978-02-17
DE2337191C3 (de) * 1973-07-21 1978-11-09 Triumph Werke Nuernberg Ag, 8500 Nuernberg Transportvorrichtung für Karbonoder Plastikfarbbänder für kraftangetriebene Schreib- und ähnliche Maschinen
SE399668B (sv) * 1974-03-07 1978-02-27 Qume Corp Kassett for tillforsel av fergband till en skriv- eller tryckstation hos en skrivanordning
IT1011772B (it) * 1974-04-24 1977-02-10 Olivetti & Co Spa Dispositivo di spostamento del nastro di scrittura per un gruppo di stampa di macchine per ufficio
US3899065A (en) * 1974-07-22 1975-08-12 Litton Business Systems Inc Ribbon cassettes for single element typewriters
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DE2810768C3 (de) * 1978-03-13 1981-03-19 Olympia Werke Ag, 2940 Wilhelmshaven Antriebsvorrichtung für das Farbband von Schreib-, Daten- oder ähnlichen Maschinen
DE2904488C2 (de) * 1979-02-07 1983-02-17 Olympia Werke Ag, 2940 Wilhelmshaven Vorrichtung zum Vorschub oder Anheben des Farb-oder Carbonbandes und des Löschbandes in einer Schreib. o.ä. Büromaschine
DE2904489C2 (de) * 1979-02-07 1982-11-25 Olympia Werke Ag, 2940 Wilhelmshaven Löschvorrichtung für kraftangetriebene Schreib- o. ä. Büromaschinen
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DE2951610C2 (de) * 1979-12-21 1987-03-26 Olympia AG, 2940 Wilhelmshaven Farbbandkassette für eine Schreib- o.ä. Büromaschine
DE3003886A1 (de) * 1980-02-02 1981-08-13 Olympia Werke Ag, 2940 Wilhelmshaven Farbbandkassette fuer eine schreib- o.ae. bueromaschine

Also Published As

Publication number Publication date
US4440514A (en) 1984-04-03
ATE9560T1 (de) 1984-10-15
EP0033532A3 (en) 1982-10-27
DE3003886C2 (enrdf_load_stackoverflow) 1988-09-01
DE3003886A1 (de) 1981-08-13
EP0033532A2 (de) 1981-08-12
DE3166232D1 (en) 1984-10-31

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