EP0030624A2 - Farbbandkassette und ihre Verriegelungsvorrichtung an einer Schreibmaschine - Google Patents

Farbbandkassette und ihre Verriegelungsvorrichtung an einer Schreibmaschine Download PDF

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Publication number
EP0030624A2
EP0030624A2 EP80107018A EP80107018A EP0030624A2 EP 0030624 A2 EP0030624 A2 EP 0030624A2 EP 80107018 A EP80107018 A EP 80107018A EP 80107018 A EP80107018 A EP 80107018A EP 0030624 A2 EP0030624 A2 EP 0030624A2
Authority
EP
European Patent Office
Prior art keywords
cartridge
support
ribbon
opening
inclined surface
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.)
Granted
Application number
EP80107018A
Other languages
English (en)
French (fr)
Other versions
EP0030624A3 (en
EP0030624B1 (de
Inventor
Thomas Ray Field
Mary Lee Vanarsdall
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.)
JP Morgan Delaware
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of EP0030624A2 publication Critical patent/EP0030624A2/de
Publication of EP0030624A3 publication Critical patent/EP0030624A3/fr
Application granted granted Critical
Publication of EP0030624B1 publication Critical patent/EP0030624B1/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
    • B41J32/00—Ink-ribbon cartridges
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1039—Swinging and camming
    • Y10T292/1041—Rigid operating means

Definitions

  • the present invention relates to tape cartridges for a typewriter and their locking devices in these machines.
  • correction typewriters and mechanisms for advancing printing and correction ribbons in such machines are relatively well known in the prior art.
  • a typewriter which uses both a printing ribbon and a correction ribbon
  • the IBM 82C typewriter with correction device which comprises a ribbon advancement device and a cartridge of tape practically similar to the devices described in patents US -A-3,604,549 and US -A- 3,731,781.
  • the drive of the correction tape is similar to that described in US Pat.
  • the ribbon cartridges, or the assemblies formed by the overlapping of a printing ribbon cartridge and a correction ribbon cartridge, must be firm locked on their support in the typewriter. The reason for this is that said support moves in spurts along the printing line and that non-negligible forces thereby apply to the cartridge or set of cartridges. It is imperative that these forces cannot change the position of the cartridge or cartridge assembly as this will significantly affect the quality of the print and the life of the ribbon (s).
  • the present invention relates to a particular structure of cartridge, or set of cartridges, easily suitable for effective locking of its support in a typewriter and also relates to a device for locking such a cartridge or set of cartridges. , which locking device is integral with said support.
  • the single cartridge or else the upper cartridge of an assembly resulting from the superposition of two cartridges has a bottom or lower surface which bottom is provided with an opening and a ramp adjacent to said opening, said ramp being located inside the cartridge.
  • This opening is intended to receive a locking element which is pivotally mounted on a cartridge holder of the typewriter.
  • said locking element When the cartridge is placed on its support, said locking element enters the cartridge through said opening. After positioning the cartridge on its support, the locking element is pivoted by a predetermined angular distance and it comes into contact with said ramp. Contact between the locking element and the ramp generates a force directed towards said support in order to press the cartridge onto this support. The pivoting in the opposite direction of the locking element releases it from the ramp and when the locking element is returned to its starting position, the cartridge can be removed from its support.
  • Figure 1 shows a cartridge assembly, consisting of superimposed cartridges 10 and 10A (Figure 2), is mounted on a support 30 coupled by a pivot pin 31 to a part 32 of the sockets, a typewriter or any other similar machine.
  • the support 30 is designed to cause the cartridge 10 or the assembly constituted by the cartridges 10 and 10A to oscillate on either side of the drawing plane in order to present the different parts of a printing ribbon 11 or a correction tape (not shown) contained in the cartridge 10A with one element 35 ( Figure 1).
  • the printing element 35 may be a conventional printing sphere or any other single printing element such as a printing wheel.
  • the cartridge 10 comprises an upper wall 12 and a lower wall 14 connected by a discontinuous side wall 13 to form a chamber 15.
  • the side wall 13 is open at predetermined locations, for example the passages 13A, 13B, to allow entry and the outlet of the ribbon contained in the chamber 15.
  • the chamber 15 contains a certain quantity of printing ribbon 11 wound on a supply reel 16.
  • the ribbon passes through the outlet 13B, then the inlet 13A and is wound on the take-up reel 17.
  • a tape drive device similar to that described in patent FR -A- 240915X urges through the side walls of the cartridges 10 and 10A, the take-up reel 17 associated with the cartridge 10 and the associated correction ribbon take-up reel (not shown) housed in the cartridge 10A, to ensure the selective drive of the ribbons between their supply coils and their associated take-up reels.
  • An additional device causing the oscillation of the support 30 is also described in the aforementioned document.
  • the cartridge 10 and 10A To ensure uniformity of printing despite the jolts suffered by the cartridges 10 and 10A during the oscillations of the support 30 and and the rapid striking of the single printing element 35 against the ribbon 11, it is essential that the cartridge or all of the cartridges is securely attached to the support 30 while being easily removable.
  • means are provided in the cartridge 10 for fixing it to the support 30. In the case of a set of cartridges, the locking of the upper cartridge 10 will cause the locking of the assembly relative to the support, during the operation of the typewriter.
  • the bottom wall 14-of the assembly 10 is provided with an opening 20 whose dimensions allow the passage of a locking means 40 which comes in contact with the lower wall 14 of the cartridge 10 to apply it downwards and lock it against the support 30.
  • the locking means 40 comprises a straight element 41 pivotally mounted on the support 30 by the intermediate an offset arm 42 which receives a pivot axis 43 in a bore 42A.
  • the support 30 has a cutout 33 to provide a passage for the straight element 41 and allow its pivoting in order to provide functions which will be more clearly described below.
  • a tongue 44 is secured to the straight element 41.
  • This tongue is intended to come into contact with a ramp 21 with an inclined surface 21A secured to the bottom wall 14 of the cartridge 10 and adjacent to the opening 20 inside the cartridge.
  • the surface 21A is inclined upwards in the chamber 15 from the inlet part 20A of the passage 20, which allows the introduction of the tongue 44 into the chamber 15 through the inlet part 20A and then bringing the tongue 44 into progressive contact with the ramp 21.
  • the dimensions of the opening 20 also allow the passage of a vertical colonizer or centering guide 36 extending from the support 30 and which comprises at its end the pivot axis 43 which passes through the bore 42A formed in the arm 42 of the locking means 40.
  • a return means in this case the spring 50, between the support 30 and a hook 45 integral with the locking means 40 and adjacent to the opening 42A, to force the tongue 44 to go up along the inclined surface 21A, which causes the cartridge 10 to push down against the. support 30.
  • FIGS. 2 and 3 show a lever 51 which pivots at 52 relative to the support 30 to urge the end portion 46 of the locking means 40 so that when the lever 51 is actuated in the direction indicated by the arrow 55, the right element 41 rotates towards the opening 20A to allow the lifting of the cartridge 10 and the cartridge 10A from the support 30 by aligning the tongue 44 with the opening 20A.
  • the guide or the baluster 36 ensures the correct positioning of the cartridge 10 or 10A back and forth on the support 30, it may be useful, in order to prevent any rotation of the cartridges, to install additional guides extending upwards from the support 30 to engage in openings in the cartridge 10A so as to prohibit any tendency of the cartridges to rotate relative to the support 30.
  • cartridges 10 and 10A being arranged one on the other as in Figure 2, it is also necessary that an opening is provided in both the lower and upper walls 8 and 9 of the cartridge 10A to allow passage of the guide post 36 as well as the locking means 40.
  • a second cartridge 10A loaded with a correction tape under the cartridge 10 a second cartridge loaded with a ribbon of another color or a dummy cartridge, can be used so that the necessary spacing between the bottom wall 14 of the cartridge 10 and the support 30 can be maintained to ensure a wedging action via the tab 44 of the locking means 40 and the inclined surface 21A associated with the lower wall of the cartridge 10.
  • a single cartridge can be used, making the necessary adjustments to the length of the straight element 41 and that of of the guide post 36 to allow the application of the tongue 44 against the inclined surface 21A of the cartridge 10.

Landscapes

  • Impression-Transfer Materials And Handling Thereof (AREA)
EP80107018A 1979-12-14 1980-11-14 Farbbandkassette und ihre Verriegelungsvorrichtung an einer Schreibmaschine Expired EP0030624B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US103818 1979-12-14
US06/103,818 US4310257A (en) 1979-12-14 1979-12-14 Typewriter cartridge lock-down

Publications (3)

Publication Number Publication Date
EP0030624A2 true EP0030624A2 (de) 1981-06-24
EP0030624A3 EP0030624A3 (en) 1982-09-15
EP0030624B1 EP0030624B1 (de) 1984-08-22

Family

ID=22297182

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80107018A Expired EP0030624B1 (de) 1979-12-14 1980-11-14 Farbbandkassette und ihre Verriegelungsvorrichtung an einer Schreibmaschine

Country Status (5)

Country Link
US (1) US4310257A (de)
EP (1) EP0030624B1 (de)
JP (1) JPS5921793B2 (de)
CA (1) CA1141322A (de)
DE (1) DE3069035D1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0078369A3 (en) * 1981-10-30 1984-06-06 International Business Machines Corporation Printer ribbon cartridge and loading arrangement therefor
EP0164060A3 (en) * 1984-06-05 1986-04-02 International Business Machines Corporation Ribbon cartridge retention

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4339210A (en) * 1980-11-26 1982-07-13 International Business Machines Corporation Ribbon cartridge loading mechanism
IT1158826B (it) * 1983-03-07 1987-02-25 Olivetti & Co Spa Cartuccia nastro per macchine stampanti
DE10004498A1 (de) * 2000-02-02 2001-08-09 Basf Coatings Ag Diethyloctandioldicarbamate und Diethyloctandioldiallophanate, Verfahren zu ihrer Herstellung und ihre Verwendung
US20040030176A1 (en) * 2001-09-05 2004-02-12 Ohrbom Walter H. Gamma hydroxy carbamate compounds and method of making and using the same
US6890994B2 (en) * 2002-10-31 2005-05-10 Basf Corporation Curable coating compositions with carbamate-containing acrylic polymers

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2759749A (en) * 1952-07-23 1956-08-21 Gen Aniline & Film Corp Closure device for cameras and the like
US2914000A (en) * 1953-03-20 1959-11-24 Entpr Railway Equipment Co Bottom-discharging hopper closure assembly
US2829341A (en) * 1954-04-26 1958-04-01 Weston Electrical Instr Corp Cell for moisture measurements
US2831718A (en) * 1955-01-11 1958-04-22 Gen Motors Corp Convertible top header lock assembly
US2801869A (en) * 1955-05-05 1957-08-06 Harry F George Latching mechanism
BE703962A (de) * 1966-09-20 1968-02-01
US3643778A (en) * 1970-09-25 1972-02-22 Scm Corp Typewriter ribbon cartridge guide support
IT1036483B (it) * 1975-07-10 1979-10-30 Olivetti & Co Spa Cartuccia amovibile per un nastro inchiostrato di macchine scriventi per ufficio

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0078369A3 (en) * 1981-10-30 1984-06-06 International Business Machines Corporation Printer ribbon cartridge and loading arrangement therefor
EP0164060A3 (en) * 1984-06-05 1986-04-02 International Business Machines Corporation Ribbon cartridge retention

Also Published As

Publication number Publication date
EP0030624A3 (en) 1982-09-15
EP0030624B1 (de) 1984-08-22
CA1141322A (en) 1983-02-15
JPS5693586A (en) 1981-07-29
US4310257A (en) 1982-01-12
JPS5921793B2 (ja) 1984-05-22
DE3069035D1 (en) 1984-09-27

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