EP0391836B1 - Farbbandkassette - Google Patents

Farbbandkassette Download PDF

Info

Publication number
EP0391836B1
EP0391836B1 EP90730005A EP90730005A EP0391836B1 EP 0391836 B1 EP0391836 B1 EP 0391836B1 EP 90730005 A EP90730005 A EP 90730005A EP 90730005 A EP90730005 A EP 90730005A EP 0391836 B1 EP0391836 B1 EP 0391836B1
Authority
EP
European Patent Office
Prior art keywords
ink ribbon
storage container
cassette
ribbon
drive
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
EP90730005A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0391836A2 (de
EP0391836A3 (de
Inventor
Heinz Kruschinski
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT90730005T priority Critical patent/ATE77988T1/de
Publication of EP0391836A2 publication Critical patent/EP0391836A2/de
Publication of EP0391836A3 publication Critical patent/EP0391836A3/de
Application granted granted Critical
Publication of EP0391836B1 publication Critical patent/EP0391836B1/de
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
    • B41J32/00—Ink-ribbon cartridges
    • B41J32/02—Ink-ribbon cartridges for endless ribbons

Definitions

  • the invention relates to an ink ribbon cassette for typewriters, printers and the like. According to the preamble of claim 1.
  • a ribbon cassette of this type is previously known from DE 28 30 657 A1.
  • This ribbon cassette comprises an ink ribbon storage container which can be removed after opening a cassette cover and replaced by another storage container filled with a new ink ribbon.
  • a drive roller is movably mounted in the ribbon cassette and can be removed from the drive roller firmly inserted into the ribbon cassette to remove the storage container with the worn ribbon, so that the old one Ribbon removed and a new reservoir with a new ribbon can be inserted.
  • a U-bracket provided with hook-like locks is provided, which can be locked in one position away from the other drive roller of the ribbon drive.
  • the invention is therefore based on the object of providing an ink ribbon cassette of the generic type in which a particularly simple replacement of the storage container with the ink ribbon is possible in a simple structural design of the ink ribbon cassette.
  • the invention provides that a drive roller of the ribbon drive is arranged on the storage container for the ribbon. This ensures that when the storage container with the worn ribbon is removed, the two drive rollers of the ribbon drive are separated at the same time, so that a separate locking of the one drive roller of the ribbon drive is no longer necessary.
  • both drive rollers of the ribbon drive are mounted in bearing blocks which can be detachably attached to the longitudinal side walls of the storage container by means of plug-in clips.
  • the ribbon reservoir and the two drive rollers of the ribbon drive form an interchangeable unit, so that the ribbon no longer has to be threaded between the drive rollers of the ribbon drive or threaded out of them.
  • the cassette part is designed as a flat carrier plate with flat arms protruding on the end sides, the interchangeable storage container having one or is releasably attached to the flat carrier plate with two drive rollers of the ribbon drive.
  • This embodiment of the ribbon cassette only requires the carrier plate made of plastic or metal, which is simple and inexpensive to manufacture, and the storage container for the ribbon, together with the associated ribbon drive.
  • the fabric tape cassette for typewriters, printers or the like consists of a flat carrier plate 1 as the only cassette part, the ends of the flat support plate 1 protruding, flat arms 2, 3 are formed in one piece and in one plane with the support plate 1.
  • This consists of plastic or metal and is provided on the narrow end sides with stiffening side walls 4,5.
  • deflection pins 6 to 9 are arranged, which are made in one piece with the plastic when the support plate 1 is formed.
  • the carrier plate 1 is made of metal, the deflection pins 6 to 9 are firmly inserted into corresponding bores in the carrier plate 1.
  • the deflection pins 6 to 9 carry at their free end limiting disks 10 which are spaced from the top of the carrier plate 1 in accordance with the width of the ink ribbon 11.
  • Positioning pins 12 are also arranged on the carrier plate 1 and, like the deflection pins 6 to 9, are formed from plastic or metal. These positioning pins 12 delimit a receiving space for a storage container 13 for receiving the ink ribbon 11.
  • the storage container 13 for the ink ribbon 11 is box-shaped and consists in particular of cardboard or cardboard or similar material which is coated on the inside for the application of the ink ribbon 11.
  • the storage container 13 is clamped between the positioning pins 12 and fixed on the carrier plate 1 by means of a clamping device 14.
  • the clamping device 14 consists of a pivotable locking arm 15 which is fixed to the carrier plate 1 by means of a pivot pin 30.
  • the storage container 13 has the ribbon drive 16 on one open narrow side and an outlet slot 28 for the fabric ribbon 11 on its other narrow side on.
  • the ribbon drive 16 consists of two drive rollers 17, 18 which are designed as meshing gears and are fastened to the storage container 13 by means of bearing blocks 19, 20.
  • the drive roller 17 has in its axis on the one hand a ribbon tensioning wheel 21 and on the other hand a thru axle 22 which engages in a bearing opening 27 in the flat carrier plate 1.
  • Both drive rollers 17, 18 are each provided with two ribbon transport rings 23, 24, between which the bearing blocks 19, 20 engage, which are fastened to the storage container 13.
  • the ink ribbon 11 is conveyed into the storage container 13 between the two drive rollers 17, 18 and placed there in loops which form the actual ribbon supply.
  • the ink ribbon 11 then exits through the outlet slot 28 on the opposite narrow side of the storage container 13.
  • the drive rollers 17, 18 can also be designed as positive friction wheels.
  • the two bearing blocks 19, 20 are provided with plug-in clamps 25, which can be plugged onto the longitudinal side walls 26 of the storage container 13, as is shown in FIG. 1.
  • the drive roller 17 receives its drive angular momentum from the typewriter, the printer or the like. Via the plug-in axis 22 and the guidance by means of the bearing block 19, which is fixed to the reservoir 13 with the plug-in bracket 25.
  • Both bearing blocks 19, 20 provided with plug-in clamps 25 are provided with band deflectors.
  • the worn-out ink ribbon 11 is replaced by unlocking the storage container 13 from the flat carrier plate 1 by loosening the clamping device 14.
  • the reservoir 13 is worn together with the Ribbon 11 and the drive rollers 17, 18 are lifted from the carrier plate 1, which can be located inside the typewriter, the printer or the like.
  • a new storage container 13 is then applied to the carrier plate 1 and locked with the clamping device 14.
  • the ink ribbon 11 already carried out by the drive rollers 17, 18 is only placed around the deflection pins 6 to 9 and tensioned by means of the tensioning wheel 21.
  • the second embodiment of the ribbon cassette shown in FIGS. 3 to 5 comprises a cassette part 31 with a bottom 32 and an inner side wall 34 and an outer side wall 33 and housing arms 35, 36 as well as a cassette cover, not shown, which can be detachably connected to the cassette part 31 by means of snap connections is.
  • the cassette part 31 is made with the bottom 32, the inner side wall 34 and the housing arms 35, 36 in one piece from plastic.
  • the interior of the cassette part 31 formed between the longitudinally extending side walls 33, 34 and the housing arms 35, 36 extending transversely thereto forms a storage space 38 for the ink ribbon 39.
  • a storage container 40 for the ink ribbon 39 is located in the elongated rectangular storage space 38 inserted and locked between the side walls 33,34.
  • the reservoir 40 is also elongated-rectangular and made of a rectangular cross-section Hollow body formed, which comprises a bottom 41, two longitudinal side walls 42 and a top wall 44.
  • the reservoir 40 is completely open on one end side 43 with a slot for the exit of the ink ribbon 39 and on the opposite side for the entry of the ink ribbon 39 by means of the ribbon drive which loops the ink ribbon 39 within the reservoir 40, as shown in FIG 3 is shown.
  • the bottom 41 of the storage container 40 lies parallel to the bottom 42 of the cassette part 41.
  • the storage container 40 is freely accessible from above, with the endlessly rotating ribbon being accessible through both end sides 39 protrudes, which emerges from the free end of the housing arm 35 in a known manner and re-enters the interior of the ink ribbon cassette via the free end of the housing arm 36.
  • the drive roller 50 closest to the housing arm 36 is mounted by means of bores and pins in the bottom 32 of the cassette part 31 and in the cassette cover.
  • the further drive roller 51 is provided with upper and lower sprockets 52, between which a connecting shaft 53 extends, which is received by a bearing block 54, which also serves to guide the ink ribbon 39 in the area of the drive rollers 50, 51.
  • the bearing block 54 extends parallel to and at a distance from the bottom 41 of the storage container 40 and is fixedly connected to the longitudinal side wall 42, which is longer than the opposite longitudinal side wall.
  • the bearing block 54 for the drive roller 51 in the Area of the one corner of the storage container 40 which projects to the right in FIG. 4.
  • the open side of the storage container 40 assigned to the drive roller 51 is designed as a recessed container corner, as shown in FIG. 4. This is opposite the bearing block 54, which is attached to the extension of the longitudinal side wall 42.
  • the reservoir 40 is formed in one piece from the plastic with the bottom 41, side walls 42, top wall 44 and bearing block 54.
  • the cassette part 31 has a corresponding opening 56 in the region of the side wall 33 of the cassette part 31, which can be closed by a side wall part 55 enclosing the side wall 33.
  • This is articulated on the cassette part 31 by means of a folding joint 57 arranged at one end and can be fixed on the cassette part 31 by means of snap-clamp connecting elements 62, 63, which are arranged in the region of an outer side wall 61 of the housing arm 36.
  • the side wall part 55 is thus, as shown in FIG. 3, L-shaped, the long leg forming the side wall 33 of the cassette part 31 and the short leg forming a partial area of the side wall 61 of the housing arm 36.
  • a labyrinth-like ribbon deflection 70 is formed, which is formed from a guide slot 71 for the ink ribbon 39 and from a deflection pin 72, which are arranged offset to one another.
  • the webs 73 forming the guide slot 71 and the deflection web 72 are formed in one piece with the cassette part 31 from plastic and stand on the floor 32 of the cassette part 1.
  • the cassette cover is connected to the cassette part 31 by means of snap connections (not shown).
  • the replacement of a storage container 40 with a worn ribbon takes place in that the lid, not shown, is first removed from the cassette part 31 of the ribbon cassette by loosening the snap connections.
  • the side wall part 55 is then folded out of the cassette part 31 around the hinged joint 57, as a result of which the storage space 38 is freely accessible to the storage container 40.
  • the reservoir 40 can be folded out of the cassette part 31 through the opening opened by the folded-down side wall part 55, the two drive rollers 50, 51 of the ribbon drive being separated from one another, since the drive roller 51 is mounted in the reservoir 40.
  • the reservoir 40 with the used ribbon 39 can now be freely removed from the reservoir 38 of the cassette part 31.
  • the used ribbon 39 can easily be lifted out of the two housing arms 35, 36.
  • a new storage container 40 with a new ink ribbon 39 is now inserted into the storage space 38, and after inserting the ink ribbon 39 into the ribbon deflection 70 and into the two housing arms 35, 36 the two drive rollers 50, 51 of the ink ribbon drive can be brought together, so that a transport of the ribbon between the two drive rollers 50, 51 is ensured by a friction drive.
  • the housing wall part 55 is then folded in again and snapped in again by means of the snap connection elements 62, 63. These consist of pins 62 on the side wall 61 of the cassette part 31 and bores 63 in the side wall part 55.
  • the Lid not shown, is reconnected to the cassette part 31 by means of the snap connection elements.
  • the ribbon cassette with the new ribbon 39 is ready for use.

Landscapes

  • Impression-Transfer Materials And Handling Thereof (AREA)
EP90730005A 1989-04-05 1990-04-03 Farbbandkassette Expired - Lifetime EP0391836B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90730005T ATE77988T1 (de) 1989-04-05 1990-04-03 Farbbandkassette.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3911456A DE3911456A1 (de) 1989-04-05 1989-04-05 Farbbandkassette
DE3911456 1989-04-05

Publications (3)

Publication Number Publication Date
EP0391836A2 EP0391836A2 (de) 1990-10-10
EP0391836A3 EP0391836A3 (de) 1991-02-27
EP0391836B1 true EP0391836B1 (de) 1992-07-08

Family

ID=6378172

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90730005A Expired - Lifetime EP0391836B1 (de) 1989-04-05 1990-04-03 Farbbandkassette

Country Status (3)

Country Link
EP (1) EP0391836B1 (enrdf_load_stackoverflow)
AT (1) ATE77988T1 (enrdf_load_stackoverflow)
DE (2) DE3911456A1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8379192B2 (en) 2006-02-01 2013-02-19 J&M Analytik Ag Apparatus for optical measurement of substance concentrations

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0723557U (ja) * 1993-10-12 1995-05-02 三菱鉛筆株式会社 インクリボンサブカートリッジ

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2346283A1 (de) * 1973-09-14 1975-03-27 Standard Elektrik Lorenz Ag Endlosfarbband-kassette
DE2618379B2 (de) * 1976-04-27 1980-04-30 Triumph Werke Nuernberg Ag, 8500 Nuernberg Endlosfarbbandkassette für Schreibund ähnliche Maschinen
JPS559808A (en) * 1978-07-05 1980-01-24 Hitachi Ltd Ink ribbon fitting method
US4240757A (en) * 1978-12-26 1980-12-23 Centronics Data Computer Corp. Fanfold replacement ribbon package
JPS5677180A (en) * 1979-11-30 1981-06-25 Canon Inc Ink ribbon case
US4352578A (en) * 1980-09-08 1982-10-05 International Business Machines Corporation Paperboard ribbon cartridge
US4339210A (en) * 1980-11-26 1982-07-13 International Business Machines Corporation Ribbon cartridge loading mechanism
DE3576302D1 (de) * 1984-06-18 1990-04-12 Oki Electric Ind Co Ltd Farbbandkassette.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8379192B2 (en) 2006-02-01 2013-02-19 J&M Analytik Ag Apparatus for optical measurement of substance concentrations

Also Published As

Publication number Publication date
DE3911456C2 (enrdf_load_stackoverflow) 1991-04-04
DE59000189D1 (de) 1992-08-13
DE3911456A1 (de) 1990-10-11
EP0391836A2 (de) 1990-10-10
ATE77988T1 (de) 1992-07-15
EP0391836A3 (de) 1991-02-27

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