EP0031854A1 - Cartouche pour ruban encreur avec dispositif de réencrage et procédé pour sa fabrication - Google Patents

Cartouche pour ruban encreur avec dispositif de réencrage et procédé pour sa fabrication Download PDF

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Publication number
EP0031854A1
EP0031854A1 EP79105382A EP79105382A EP0031854A1 EP 0031854 A1 EP0031854 A1 EP 0031854A1 EP 79105382 A EP79105382 A EP 79105382A EP 79105382 A EP79105382 A EP 79105382A EP 0031854 A1 EP0031854 A1 EP 0031854A1
Authority
EP
European Patent Office
Prior art keywords
ink
ribbon
cover
cassette
transfer roller
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.)
Withdrawn
Application number
EP79105382A
Other languages
German (de)
English (en)
Inventor
Dieter Stellmach
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.)
Digital Kienzle Computersysteme GmbH and Co KG
Original Assignee
Kienzle Apparate GmbH
Mannesmann Kienzle 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
Application filed by Kienzle Apparate GmbH, Mannesmann Kienzle GmbH filed Critical Kienzle Apparate GmbH
Priority to EP79105382A priority Critical patent/EP0031854A1/fr
Publication of EP0031854A1 publication Critical patent/EP0031854A1/fr
Withdrawn legal-status Critical Current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
    • B41J31/00—Ink ribbons; Renovating or testing ink ribbons
    • B41J31/14—Renovating or testing ink ribbons
    • B41J31/16—Renovating or testing ink ribbons while fitted in the machine using the ink ribbons
    • 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

Definitions

  • the invention relates to an ink ribbon cassette with a night soaking device for the ink ribbon, consisting of a cassette bottom, which also includes the side walls of the cassette, and a first lid adapted to the shape of the cassette bottom, between which there is the storage space for the ink ribbon.
  • the ink ribbon cassettes for endless ink ribbons also provide post-inking devices which consist of a felt soaked in ink and on which the ink ribbon passes to refresh.
  • a device is described, for example, in DE-AS 21 28 144.
  • the endless ink ribbon here is relatively short and runs around a roller soaked in dye in order to always have new ink ready at the printing point. Since the roller soaked in paint is relatively small and therefore only a limited ink reservoir, this roller is immersed in a color reservoir. Such an arrangement is not very advantageous because there are great difficulties in sending such ribbons, because the liquid dye likes to come out of the ribbon cassette and thus leads to soiling.
  • the object of the invention is to provide an ink ribbon cassette which can offer the largest possible ink supply without enlargement in the plane in which the print head moves.
  • the cassette itself should consist of as few parts as possible for cost reasons and should not give off any color to the outside without the use of special sealants, so that the people who handle the finished cassettes are well protected against soiling of the hands.
  • the cassette according to the invention is characterized in that the first cover is in turn equipped with side walls so that it can accommodate a color memory together with another cover, the color memory acting on the ink ribbon through a recess in the first cover.
  • the cassette according to the invention thus contains the ribbon and the Ink storage for the inking of the ribbon, so to speak on two levels one above the other.
  • the service life of the ribbon cassettes can be increased two to four times in this way.
  • such an increase in the service life of the ink ribbon cassettes is an extraordinary relief, because it allows the printer to run safely and service-free for a much longer period of time.
  • the transfer of the color to the ink ribbon is not carried out directly by contact between the ink ribbon and the ink reservoir, but by indirect transfer via an ink transfer roller that is only wetted with ink on its surface.
  • the cassette according to FIG. 1 has a bottom 1 which is provided with side walls 2.
  • the bottom 1 and the side walls 2 enclose two coil pockets 3 and 4, which are connected to one another via a web 5.
  • the ink ribbon 15 is arranged in the form of a larger roll 6 or a correspondingly smaller roll 7 in the bobbin pockets 3 and 4.
  • the bottom 1 of the cassette is provided with a recess into which the winding cores 8 can be inserted.
  • the winding cores 8 are also provided with a recess 9 to which an internal toothing is attached. Via this internal toothing, the winding core 8 is in engagement with a drive element, for example via a gear (not shown) with a motor.
  • the gearbox and the motor are fixed in the carriage, which carries the print head and which is tabulated in front of a printing pad.
  • the winding core 8 tapers towards the top and protrudes beyond the upper boundary surface of the cassette, so that the ribbon can be stretched by means of a handle 10 before the cassette is inserted.
  • a handle 10 In the bottom 1 of the cassette there is also a recess 11 through which a feeler lever (not shown) passes, which senses the diameter of the bobbin winding 6 in order to derive therefrom a signal for switching the direction of movement of the ribbon transport.
  • the space inside the cassette bottom 1 and the side walls 2 represents the storage space 12 for the ink ribbon 15 cherraum 12 is delimited by a first covering completely cover 13 which pulentaschen the S 3 and 4 and with a connecting bridge 14 and the bridge 5 covers.
  • the connecting web 5 is on its underside, as FIG. 2 reveals, provided with reinforcing ribs 16.
  • the first cover 13 is in turn also provided with side walls 17, the contours of which are shown in particular in FIG. 1 recognizes. These side walls 17 are not congruent with the side walls 2 of the bottom 1 of the cassette. Rather, there are recesses 18 and 19 on each of the bobbin pockets 3 and 4, which in the present case serve to accommodate holding levers for the cassette in the clamped state. These holding levers snap into locking recesses 2 0 , 21.
  • the outer contour of the side walls 17 of the first cover 13 can be seen particularly well on the coil pocket 4 in FIG. 1.
  • Receptacles 22, 23 for one ink reservoir 24, 25 each are thus formed within the side walls 17 of the first cover 13. These ink reservoirs are shaped felt disks which are enriched with a soaking ink for the ink ribbon 15.
  • the ink reservoirs 24, 25 are fixed in their position by means of recesses 26 on two pins 27 which are attached to the cover 13.
  • Each of the ink reservoirs 24 and 25 is provided in the direction of the outlet openings 28, 29 for the ink ribbon from the cassette with a part 30 which in itself is only an extension of the ink reservoir in the direction of this opening, but which is tipped over and by a recess 31 is inserted through the first cover 13 into the storage space 12 for the ink ribbon.
  • This part is pressed by a spring 32 onto an ink transfer roller 33, which is also stored in the storage space 12 for the ink ribbon 15.
  • This ink transfer roller is not made from an absorbent material, but from a material that is only superficially wetted with ink.
  • the ribbon 15 is guided on its way from the spool 7 around the ink transfer roller 33 so that its wrap around the ink transfer roller is almost 130 °, the ribbon 15 but not itself with the ink reservoirs 24 or 25 or with the part 30 in contact may come. It then runs around a deflection roller 34 to emerge through the opening 29. It is guided through the web 35, which delimits the opening 29.
  • the ink transfer roller 33 for example, consists of a merely superficial wettable color M a-TERIAL Plexiglas, has, so that they can come up with a ring 38 to the cassette bottom in contact at their radial boundary surface or annular recesses 37 only.
  • This form of the ink transfer roll has the purpose of flow of the paint by a two-dimensional B e-emotion between the radial boundary surface to prevent 33 with the bottom 1, so that no color can protrude through the recesses in the bottom of the cassette in this way, the ink transfer roller.
  • Similar flow barriers for the color which is present in the ink reservoir 24 and 25, are also arranged in the first cover 13 of the cassette, in that the top of the cover 13 is provided with depressions 39 and with a step 40 in the side walls 17. These depressions 39 and gradations 40 are possible sharp-edged, which helps to prevent the paint from flowing across the flow barrier.
  • the two color memories 24 and 25 are now covered by a second cover 41, which in the present case consists of two parts, a right part for the bobbin case 4 and a left part for the bobbin case 3.
  • This second cover is provided on its underside with projections 42 which act on the ink reservoirs 24 and 25 and prevent extensive contact between the covers 41 and the ink reservoirs 24 and 25.
  • This also additionally ensures that paint cannot escape to the outside along the surfaces of the cover 41 between the first cover 13 or its side walls 17 and the second cover 41.
  • F IG. 4 shows an alternative embodiment for the individual parts of the cassette.
  • the bottom 60 of the two coil pockets 3 and 4 is also provided with the corresponding side walls 61.
  • the two coil pockets 3 and 4 are also connected to one another via a web 62.
  • the first cover is designed here in the form of an insert 63, into which the ink reservoirs 64 are pressed.
  • the side walls 65 are arranged relative to the cover 63 so that they fit into the side walls 61 of the bottom 60.
  • the second cover 66 is then designed such that it also has side walls 67, which in turn also encompass the side walls 65 of the insert 63.
  • the side walls 61 of the bottom 60 and the side walls 67 of the second cover 66 are aligned with one another and collide when the cassette is being assembled.
  • the ribbon wound on the spool cores 8 is inserted into the bottom 1 of the cassette when the cover 13 is not attached, whereby it is passed through the openings 28 and 29. Then the first cover 13 is put on.
  • the F arb réelle 24, 25 are first inserted with their parts 30 with the aid of tweezers in the recesses 31 so that they are pressed by the spring 32 to the ink transfer roller 33rd Then they are bent over and pressed onto the holding pins 27.
  • an ink container 70 (FIG. 5) is placed on the ink reservoir 24, 25.
  • the paint container 70 is also provided with a weight 71. It has an injection opening 72 and is open at the bottom.
  • a syringe 76 can now be used to fill a measured amount of paint 73 into the paint container 70.
  • the color then diffuses into the color memory 24 and 25 by its own weight, which ensures that the same amount of color is always used and that the color memory 24 and 25 is not excessively saturated with color, which can only lead to the fact that but color will try to come out of the cassette and that the ribbon itself may be soaked with color too.
  • a sensor 74 can also be arranged on the ink tank 70, which detects the strength of the ink store 24, 25 and determines the amount of ink to be filled in via a measuring sensor 75.

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  • Impression-Transfer Materials And Handling Thereof (AREA)
EP79105382A 1979-12-27 1979-12-27 Cartouche pour ruban encreur avec dispositif de réencrage et procédé pour sa fabrication Withdrawn EP0031854A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP79105382A EP0031854A1 (fr) 1979-12-27 1979-12-27 Cartouche pour ruban encreur avec dispositif de réencrage et procédé pour sa fabrication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP79105382A EP0031854A1 (fr) 1979-12-27 1979-12-27 Cartouche pour ruban encreur avec dispositif de réencrage et procédé pour sa fabrication

Publications (1)

Publication Number Publication Date
EP0031854A1 true EP0031854A1 (fr) 1981-07-15

Family

ID=8186263

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79105382A Withdrawn EP0031854A1 (fr) 1979-12-27 1979-12-27 Cartouche pour ruban encreur avec dispositif de réencrage et procédé pour sa fabrication

Country Status (1)

Country Link
EP (1) EP0031854A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1983003798A1 (fr) * 1982-05-04 1983-11-10 Ncr Corporation Cassette a ruban
EP0106403A3 (en) * 1982-10-07 1985-04-17 Philips Patentverwaltung Gmbh Ink ribbon cartridge with re-impregnating means

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR913804A (fr) * 1945-08-29 1946-09-20 Perfectionnement aux rubans encreurs, notamment ceux pour machines à écrire
US3977512A (en) * 1975-06-30 1976-08-31 The Singer Company Ribbon cassette and ribbon advance
GB1471718A (en) * 1974-12-05 1977-04-27 Tibay E Typewriter ribbon re-inker
FR2391853A1 (fr) * 1977-05-27 1978-12-22 Ibm Cartouche a ruban pour machine a ecrire et son mecanisme d'entrainement

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR913804A (fr) * 1945-08-29 1946-09-20 Perfectionnement aux rubans encreurs, notamment ceux pour machines à écrire
GB1471718A (en) * 1974-12-05 1977-04-27 Tibay E Typewriter ribbon re-inker
US3977512A (en) * 1975-06-30 1976-08-31 The Singer Company Ribbon cassette and ribbon advance
FR2391853A1 (fr) * 1977-05-27 1978-12-22 Ibm Cartouche a ruban pour machine a ecrire et son mecanisme d'entrainement

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1983003798A1 (fr) * 1982-05-04 1983-11-10 Ncr Corporation Cassette a ruban
EP0106403A3 (en) * 1982-10-07 1985-04-17 Philips Patentverwaltung Gmbh Ink ribbon cartridge with re-impregnating means
US4526488A (en) * 1982-10-07 1985-07-02 U.S. Philips Corporation Ink ribbon cassette provided with an impregnation device

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19801028

AK Designated contracting states

Designated state(s): AT BE CH DE FR GB

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Withdrawal date: 19820814

GBC Gb: translation of claims filed (gb section 78(7)/1977)
RIN1 Information on inventor provided before grant (corrected)

Inventor name: STELLMACH, DIETER