EP0355939B1 - Cartouche à ruban encreur - Google Patents

Cartouche à ruban encreur Download PDF

Info

Publication number
EP0355939B1
EP0355939B1 EP89250012A EP89250012A EP0355939B1 EP 0355939 B1 EP0355939 B1 EP 0355939B1 EP 89250012 A EP89250012 A EP 89250012A EP 89250012 A EP89250012 A EP 89250012A EP 0355939 B1 EP0355939 B1 EP 0355939B1
Authority
EP
European Patent Office
Prior art keywords
cassette housing
carrier body
barbs
parts
support body
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
EP89250012A
Other languages
German (de)
English (en)
Other versions
EP0355939A3 (en
EP0355939A2 (fr
Inventor
Edelbert Dipl.-Ing. Wiechert
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.)
Siemens AG
Original Assignee
Siemens 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
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP0355939A2 publication Critical patent/EP0355939A2/fr
Publication of EP0355939A3 publication Critical patent/EP0355939A3/de
Application granted granted Critical
Publication of EP0355939B1 publication Critical patent/EP0355939B1/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
    • B41J17/00—Mechanisms for manipulating page-width impression-transfer material, e.g. carbon paper
    • B41J17/32—Detachable carriers or holders for impression-transfer material mechanism

Definitions

  • the invention relates to an ink ribbon cassette for an image recording device consisting of a cassette housing in which a printing roller and an ink ribbon stored on two winding spools axially parallel to the printing roller are arranged.
  • an ink ribbon cassette for an image recording device constructed as a parallel thermal transfer printer in which a line-shaped recording head is arranged within a printer housing.
  • the ink ribbon cassette which can be inserted into the printer housing through a lateral opening in the direction along the recording head, contains a printing roller and an ink ribbon on two winding spools that are parallel to the printing roller in a cartridge housing. Since the print roller and the winding spools are integral parts of the ribbon cassette, the cassette housing and the print roller are automatically replaced each time the ribbon is changed.
  • the invention has for its object to enable a ribbon change that is particularly easy to carry out manually, without having to change the cassette housing together with the Print roller is required.
  • this object is achieved in that the winding spools are held on a common support body in the ribbon cassette of the type mentioned above, that the support body is arranged in the cassette housing removably therefrom and locked by means of a locking device and that at least one actuating element on the support body is arranged for simultaneously unlocking and removing the support body from the cassette housing.
  • the main advantage of the ink ribbon cassette according to the invention is the simple interchangeability of the ink ribbon, wherein only one handle is required to remove the ink ribbon, with which the carrier body is unlocked in the cartridge housing and at the same time removed therefrom.
  • the at least one actuating element serves as a grip element for holding the support body with the winding spools, so that touching the ink ribbon is excluded; this is particularly important in the case of generally very thin and therefore correspondingly sensitive thermal transfer ribbons.
  • the carrier body consists of two side parts receiving the winding spools at their axial ends and a connecting part connecting the side parts with a recess for the printing roller, an actuating element being arranged on each of the side parts. Due to the arrangement of the actuating elements on both sides, the support body with the winding spools can be easily removed with both hands from the cassette housing.
  • the cassette housing consists of a substantially cuboid one-sided open box, the open side of which is closed by the connecting part of the carrier body when the carrier body is inserted so that touching the ribbon on the winding spools is prevented when handling the ribbon cassette.
  • a secure and correct locking of the support body with the winding spools in the cassette housing is advantageously made possible in that the pressure roller is mounted in the cassette housing between two mounting parts on which the locking parts forming barbed parts are held at their ends with barbs, and that at the Side parts of the support body in shoulder-ending ramp surfaces for the barbs are designed in such a way that when the support body is inserted into the cassette housing, the bent parts are deflected and the barbs springily engage behind the heels in the locking position.
  • the run-up surfaces additionally serve in cooperation with the barbs attached to them as a guide when inserting the support body into the cassette housing, so that damage to the ink ribbon on the winding spools is avoided, for example by tilting the support body.
  • the actuating elements are preferably designed in the form of bending elements which have ends at the ends opposite the barbs and can be moved in the direction of the barbs in the sense of their unlocking. Due to their design as bending elements, the actuating elements can advantageously be connected in one piece to the support body in the form of plastic injection molded parts.
  • the ribbon cassette In connection with the design of the actuating elements in the form of bending elements, according to a preferred development of the ribbon cassette according to the invention it is provided that two bending elements are arranged on both side parts of the support body perpendicular to the direction of removal of the support body from the cassette housing.
  • the opposite bending elements can be gripped and pressed together on both sides of the support body with thumb and forefinger, whereby the Unlocking the support body and holding it securely and conveniently with both hands between thumb and index finger for removal from the cassette housing.
  • Another advantage of this development is the fact that only an approximately finger-wide gap is required between the side parts of the support body and the inner walls of the cassette housing opposite them in order to allow access to the actuating elements (bending elements).
  • the locking device in the form of bent parts with barbs in conjunction with the design of the actuating elements as bending elements for pushing back the barbs, it is possible to form the actuating elements (bending elements) on the supporting body as close as possible to its connecting part, so that the actuating elements can be gripped does not have to be reached deep into the gap between the side parts of the support body and the inner walls of the cassette housing; the gap can therefore be made correspondingly narrow.
  • FIG. 1 shows an exemplary embodiment of the ink ribbon cassette according to the invention, the essential components of which are shown here separately from one another for the sake of clarity.
  • the ribbon cassette is closed to the outside by a cassette housing 1, which consists essentially of a cuboid, open to one side box.
  • a cassette housing 1 Within the cassette housing 1, rib-shaped, curved guide elements 2 are formed which, as will be explained in more detail below, serve to guide a recording sheet to be printed.
  • the cassette housing 1 has grooves 3 and 4 on its lower inner wall delimited by guide ribs for receiving two holding parts 5 and 6, between which a pressure roller 7 is rotatably mounted.
  • the pressure roller 7 is connected in the region of its bearing in the holding part designated 6 with a drive gear 8 which meshes with two further gears 9 and 10.
  • the two mounting parts 5 and 6 have on their sides facing the inner walls of the cassette housing 1 elastic bent parts with barbs at their ends, of which in FIG. 1 the bent parts 11 and 12 with their barbs 13 and 14 are only visible on the mounting part 5.
  • the mounting parts 5 and 6 for the printing roller 7 are shown outside of the cassette housing 1 only for the sake of clarity; in fact, however, they are fitted in grooves 3 and 4.
  • an ink ribbon is stored on two winding spools 16 and 17, which are held on a common support body 18 parallel to one another.
  • the support body 18 consists of two side parts 19 and 20, which take up the winding coils 16 and 17 at their axial ends, and are connected to one another via a connecting part 21.
  • the support body 18 forms, together with the winding spools 16 and 17, an exchangeable unit which can be inserted into the cassette housing 1 of the ink ribbon cassette, the printing roller 7, in the inserted state, being partially wrapped around the section of the ink ribbon 15 lying between the winding spools 16 and 17 from a recess 22 in protrudes from the connecting part 21 and a gear 23 connected to the winding spool 16 via a slip clutch meshes with the gear 10 on the holding part 6.
  • the complete ribbon cassette can be plugged into a printer (not shown here), the printing roller 7 with the adjacent ink ribbon 15 coming to rest on a line-shaped recording head, for example a thermal printing head, which extends along the printing roller 7.
  • the carrier body 18 with the winding spools 16 and 17 can be inserted into or removed from the cassette housing 1 of the ink ribbon cassette.
  • the support body 18 with the winding spools 16 and 17 can simply be inserted into the cassette housing 1 and locked or unlocked and removed from the cassette housing 1 again, the support body 18 is on its two side parts 19 and 20 with actuating elements 26 and 27 for simultaneously unlocking and removing or holding the support body 18 Mistake.
  • FIG. 2 attaches the supporting body 18 on the bracket parts 5 and 6 in side view from the viewing direction designated by X in Figure 1.
  • the pressure roller 7 and the winding spools 16 and 17 are omitted in FIG. 2, so that only the side part 20 of the support body 18 and the holder part 6 are visible.
  • the side part designated 19 in FIG. 1 and the holding part 5 are constructed in the same way as parts 20 and 6.
  • FIG. 2 shows, two parallel bent parts 28 and 29 are held on the holding part 6, which are provided at their ends with barbs 30 and 31 facing away from one another and pointing outwards.
  • the bent parts 28 and 29 are integrally formed on a plastic body 32 which in turn is fastened to the holding part 6.
  • Each of the two side parts 19 and 20 of the support body 18 - here the side part 20 - has two contact surfaces 33 and 34 for the barbs 30 and 31 on the bent parts 28 and 29.
  • the ramp surfaces 33 and 34 form in the direction designated 35 for the insertion of the support body 18 into the cassette housing 1 a funnel-shaped extension and end in the opposite direction with the formation of paragraphs 36 and 37, so that when inserting the support body 18 into the cassette housing 1 Barbs 30 and 31 slide along the run-up surfaces 33 and 34, the bent parts 28 and 29 being increasingly deflected and finally the barbs 30 and 31 snap into a locking position engaging behind the shoulders 36 and 37.
  • This locked state is shown in Figure 2.
  • the run-up surfaces 33 and 34 in cooperation with the barbs 30 and 31 which resiliently rest on them, serve as a guide when inserting the support body 18 into the cassette housing 1, thereby preventing the support body from tilting and possibly damaging the ink ribbon 15.
  • FIG. 2 also shows using the example of the side part 20, the actuating elements 25 and 26 on the two side parts 19 and 20 each consist of two mutually opposite bending elements 38 and 39, which are molded onto the side part 20 made of plastic.
  • the two bending elements 38 and 39 are formed on the side part 20 in such a way that they can be gripped and pressed against one another at the outside grip points 40 and 41 with the thumb and forefinger of one hand, the barbs 30 and 31 lying opposite ends 42 and 43 of the bending elements 38 and 39 are pushed over paragraphs 36 and 37, pushing back barbs 30 and 31.
  • the support body 18 can thus be unlocked and removed from the cassette housing 1 in a simple manner by pressing the opposite bending elements on both sides of the support body 18 with thumb and forefinger, the support body 18 being unlocked and simultaneously with both hands is held securely and conveniently for removal from the cassette housing 1 between the thumb and index finger. It is for secure gripping of the actuators 26 and 27 or the bending elements forming them z. B. 38 and 39 only an approximately finger-wide gap between the side parts 19 and 20 of the support body and the inner wall of the cassette housing 1 is required, so that a compact structure of the ribbon cassette is achieved.

Landscapes

  • Impression-Transfer Materials And Handling Thereof (AREA)

Claims (5)

  1. Cassette à ruban encreur pour un dispositif d'enregistrement d'images, constituée par un boîtier de cassette (1), dans lequel sont disposés un cylindre d'impression (7) et un ruban encreur délivré sur deux bobines d'enroulement (16 et 17) parallèles à l'axe du cylindre d'impression (7),
    caractérisée par le fait
    que les bobines d'enroulement (16,17) sont maintenues sur un corps de support commun (18), que le corps de support (18) est disposé dans le boîtier de cassette (1) de manière à pouvoir en être ressorti et est verrouillé au moyen d'un dispositif de verrouillage (11 à 14), et que sur le corps de support (18) est disposé au moins un élément d'actionnement (26,27) servant simultanément à déverrouiller et à retirer le corps de support (18) hors du boîtier de cassette (1).
  2. Cassette à ruban encreur suivant la revendication 1, caractérisée par le fait que le corps de support (18) est constitué par deux parties latérales (19,20) qui logent, sur les extrémités de leurs axes, les bobines d'enroulement (16) et (17), et par un élément de liaison (21), qui relie les parties latérales (19,20) et comporte un évidement (22) pour le cylindre d'impression (7), et que sur les deux parties latérales (19,20) est disposé respectivement un élément d'actionnement (26,27).
  3. Cassette à ruban encreur suivant la revendication 2, caractérisée par le fait que le cylindre d'impression (7) est monté dans le boîtier (1) de la cassette entre deux éléments de retenue (5,6), sur lesquels les parties flexibles (11,12;28,29), qui forment le dispositif de verrouillage, sont retenues au niveau de leurs extrémités par des crochets (13,14; 30,31), et que sur les parties latérales (19,20) du corps de support (18) sont ménagées des surfaces inclinées (33,34), qui se terminent par des parties étagées (36,37), pour les crochets (30,31) de telle sorte que, lors de l'insertion du corps de support (18) dans le boîtier de cassette (1), les parties flexibles (28,29) sont écartées et que, dans la position de verrouillage, les crochets (30,31) s'engagent élastiquement derrière les parties étagées (36,37).
  4. Cassette à ruban encreur suviant la revendication 3, caractérisée par le fait que les éléments d'actionnement (26,27) sont réalisés avec la forme d'éléments flexibles (38,39) qui possèdent, sur leurs extrémités, des appendices saillants (42,43) situés en vis-à-vis des crochets (30,31) et peuvent être déplacés en direction des crochets (30,31) dans le sens de leur déverrouillage.
  5. Cassette à ruban encreur suviant la revendication 4, caractérisée par le fait que sur les deux parties latérales (19,20) du corps de support (18) sont disposés respectivement deux éléments flexibles (38,39), perpendiculairement à la direction de retrait (35) du corps de support (18) hors du boîtier de cassette (1).
EP89250012A 1988-08-26 1989-08-04 Cartouche à ruban encreur Expired - Lifetime EP0355939B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3829445A DE3829445A1 (de) 1988-08-26 1988-08-26 Farbbandkassette
DE3829445 1988-08-26

Publications (3)

Publication Number Publication Date
EP0355939A2 EP0355939A2 (fr) 1990-02-28
EP0355939A3 EP0355939A3 (en) 1990-05-09
EP0355939B1 true EP0355939B1 (fr) 1993-01-20

Family

ID=6361917

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89250012A Expired - Lifetime EP0355939B1 (fr) 1988-08-26 1989-08-04 Cartouche à ruban encreur

Country Status (3)

Country Link
US (1) US5011310A (fr)
EP (1) EP0355939B1 (fr)
DE (2) DE3829445A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04126276A (ja) * 1989-07-21 1992-04-27 Canon Inc インクシートカートリツジ及び前記インクシートカートリツジを装填可能な記録装置
DE4035598A1 (de) * 1990-11-06 1992-05-07 Siemens Ag Farbbandvorratseinrichtung
EP0488291A1 (fr) * 1990-11-29 1992-06-03 Canon Kabushiki Kaisha Cassette pour ruban encreur et appareil d'enregistrement l'utilisant
DE4117798A1 (de) * 1991-05-30 1992-12-03 Mannesmann Ag Farbbandkassette
IE69331B1 (en) * 1992-02-25 1996-10-16 Balmaha Ltd A Printer
US5447380A (en) * 1992-06-01 1995-09-05 Nai Technologies, Inc. Thermal printer
GB2282568B (en) * 1993-09-22 1998-04-22 Asahi Optical Co Ltd Thermal line printer
EP0679524B1 (fr) * 1994-04-29 1998-03-11 Agfa-Gevaert N.V. Boíte de stockage d'une cassette pour une imprimante thermique
US5769548A (en) * 1996-10-07 1998-06-23 Illinois Tool Works Inc. Hot stamp imprinting system with latchable ink ribbon cassette & handle

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4493573A (en) * 1982-03-19 1985-01-15 Ricoh Company, Ltd. Printing apparatus
JPH07106657B2 (ja) * 1984-05-15 1995-11-15 株式会社東芝 リボン収納カセット
US4702631A (en) * 1984-11-08 1987-10-27 Kabushiki Kaisha Toshiba Thermal ribbon cassette and housing therefore
NL8501540A (nl) * 1985-05-30 1986-12-16 Philips Nv Multifunctionele cassette voor een drukker.
US4673304A (en) * 1985-08-13 1987-06-16 Sanders Associates, Inc. Thermal printer ribbon cartridge for wide ribbons
JPH061823Y2 (ja) * 1986-04-11 1994-01-19 三菱電機株式会社 印字装置
DE3721231A1 (de) * 1987-06-24 1989-01-05 Siemens Ag Vorrichtung zum aufzeichnen von bildinformationen auf einem aufzeichnungsblatt

Also Published As

Publication number Publication date
EP0355939A3 (en) 1990-05-09
DE3829445A1 (de) 1990-03-01
EP0355939A2 (fr) 1990-02-28
DE58903333D1 (de) 1993-03-04
US5011310A (en) 1991-04-30

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