DE2358180A1 - Ink ribbon cassette for typewriter and printing machines - has spool carrier with adjustable centre distance for spools - Google Patents

Abstract

The carrier for the apparatus is made in halves connected by slide connections releasably retaining the halves at a set centre distance of the respective spool mountings to accommodate different spool centre distances of different machines. The carrier is releasably supported in a hood intended to cover the upper part of the machine in front of the paper carriage. The cassette is changed by lifting the hood thereby withdrawing the cassette spools from the drive spigots of the machine, withdrawing the old cassette from and inserting a new cassette into the hood, and restoring the assembly in position on the machine.

Description

OLYMPIA WEKEE AG EP / Ac / Yes / PS 1409

15th November 1973

ribbon cartridge for read ^ ^ ojter similarity Liche - office machines

The invention relates to a ribbon cassette for writing code Similar office machines to the one in the preamble of the claim 1 specified type «

State of the art

From the German patent application 1 611 468, an ink ribbon cassette is known which can be used in a receiving device of these machines. Again, the machine returned eye side of the ribbon cartridge is open, easy to supply and take-up reel for the ribbon au B * be able to switch. When changing the ribbon, it is not necessary to replace the entire cassette, only the ribbon reels. This cassette is only suitable for office machines with a type carrier that can move along the paper roller. In addition, the receiving device for the ribbon cassette must be specially designed . . . .-_. "_ ■ - /" - ".." - ': _ "'. ■ - - ■"^";;■". _- Λ .;. "

Furthermore, the German Auslegeschrift 1074 599 shows a packaging design for ribbon reels in the form of a container receiving the reel, which is designed as a cassette that can be inserted into the ribbon take-up device. The cassette also consists of two halves, which have to be separated and attached individually when inserted into the machine. This requires a certain degree of skill from the person using the machine. In addition, when changing the color ribbon, the hood must be opened or even completely removed, which is the case when the cassettes are frequently changed ζ . B. with correction tape. "Has a disruptive effect.

On the other hand, the German Auslegeschrift 1 069 647 a hood for typewriters, in which the storage

5O9822 / 04G2

role, the stepping mechanism and the guide are arranged. This known arrangement is not suitable for replaceable ribbon cassettes, since these individual parts are far too expensive. having. In addition, this arrangement can only be used for a certain type of machine, since the dimensions of the Hoods for different paper trolley widths are also of different widths.

task

The invention is based on the object of a ribbon cassette to create that © allows a new ribbon to be inserted quickly with a minimum of manual skill. These ribbon cassettes are intended for machines with different distances between the receiving devices for the supply and take-up reels. Also, these exchangeable ribbon cassettes should replace the Farfobandepulen if necessary with the used ribbon against new ribbon spools z. B. DIN ribbon reels with a fresh ribbon enable. This object is achieved with the invention specified in claim i.

advantages

It is now possible to use uniform ribbon cartridges for both small hand-operated flat typewriters as well as large electrically powered typewriters. the Ribbon cartridges are through. a simple bast connection in Recesses arranged in the hood covering the top of the machine. The two-part design of the cassette can these the different distances between the receiving frames for the supply and recording spul en adapted in the simplest possible way will. The person operating the machine can change the cassette in just a few simple steps. Also 1st allows the operator to remove the spools with the used ribbon from the cassette. She then throws continue the ribbon together with the two spools and now insert two new spools carrying a fresh ribbon »

509822/0462

- ..... "235818Q

This means that the user does not calibrate his fingers when changing the cassette soiled, the ribbon cassette can be removed by means of a lever mechanism with a device for automatic opening and closing the guide slots for ribbons be provided on ribbon forks, e.g. B. according to the subject of the German patent application F 22 61 412. The ribbon fork could also move on the Ribbon cassette be arranged, wherein the ribbon fork must be coupled or decoupled when changing the cassette with a device, for. B. according to the German patent application P 18 13 193 · This non-soiling of the fingers when connecting the ribbon with the ribbon fork or with the device is not the subject of the present invention, but is only mentioned for the sake of completeness.

The invention is described in more detail in an exemplary embodiment. It show t

Fig. 1 Replace the hood of an office machine with one cash ribbon cassette,

Fig. 2 is a side view of the ribbon cassette

and a cut through 'one half of this

Ribbon cartridge and

Fig. 3 is a diagrammatic representation of a detail of the ribbon cassette

In Figure, 1 a hood 1 of a typewriter or similar office machine is shown, which in a known manner for covering of the upper part of the machine is used in front of the paper trolley. In a recess 2 of this hood, a ribbon cassette 3 can be used, which has cams 5 sum locking. These cams 5 snap behind an edge when inserted? the recess 2 a. The ribbon cassette 3 consists of two halves 9, 11, which are in operative connection with one another via sliding guides 13 »15. The two-piece ribbon cassette 3 and the Hood 1 or at least one of these parts 3, 1 exist. aur

50982270462

a hard, but elastic plastic · The slide guides 13 »15 have guide surfaces, soft from tongues 17» 19 and correspondingly adapted recesses 21, 23 exist. the Tongues 17, 19 can here on a half 9 (11) and the Recesses 17, 19 can be arranged on the other half 11 (9) of the ribbon cassette 3. The tongues 17 »19 can also accordingly Figure 1 can be arranged offset. The guide surfaces of the sliding guides 13 which are used for the overlap are » 15 by a dimension corresponding to the wall thickness of the basin surface 25 of the ribbon cassette 3 from the dimension through the surfaces the .Farbbandkassette: 3 and the hood 1 formed level offset. The tongues 17, 19, 12 and the recesses 21, 23 have a length resulting from the largest and smallest distance between the drive devices 27, 29 (FIG. 2). se drive devices 27, 29 are large and small Office machines arranged at different distances from each other. Every Half 9, 11 of the hood 1 has a fixed pivot 31 »33 for the two ribbon reels 35» 37 »Dies © Ribbon reels 35 »37 are in a known manner on the drive svorrichtungen 27, 29 can be driven, the switching takes place via resilient guide arms 39, 4-1. These leading arms 39, 41 are connected to the cassette 3 by a latching connection. The ribbon 43 is taken from the ribbon reels 35 »37 passed over the control arms 39, 41. Around the two halves 9, 11 of the ribbon cassette 3 to be able to lock to one another, has, for. B. the tongue 17 cam 45 on. These cams 45 act with bast recesses 47 of an elongated side wall 49 of Recess 21 together.

The mode of operation of the subject of the invention is as follows

If the ink ribbon 43 is used up, the operator of the machine can Person remove the ribbon cassette 3 ″ from the bast connection with the hood 1 with one movement. So that the the person changing the ribbon does not dirty their fingers, the ribbon cassette 3 can either be equipped with a device for automatically opening and closing the ribbon

509822/0462

- ■ 5 '- ■ ■

fork guide according to patent application 2 261 412 in Are operationally connected or provided with a movable ribbon fork according to German patent application 18 13 193 be. This ribbon fork is then closed with a device couple or decouple. Older ribbon changes can be done quickly and easily by inserting a new ribbon cassette. But if you don't have a new ribbon cassette at hand, then it is also possible to only use the ribbon spools 35 »37 with the used Take out the ribbon 43 from the ribbon cassette 3 and throw it away. And with new ribbon reels, e.g. DIN ribbon reels to replace.

The ribbon cassettes 3 are universal in all office machines with different distances between the drive devices for the ribbon spools 35 arranged in the ribbon cassette 3 » 37 can be used * For this purpose, the two halves 9, 11 the ribbon cassette 3 more or less pulled apart and locked into the corresponding recess 2 in the hood 1. Through this it is now possible to have one and the same; Ribbon cassette for, .various; Machine types, e.g. B · for and to use small typewriters ^ *.

SO9822 / 0462

Claims (2)

OLBIPIA WERKE AG EP / Ac / Ja / PS 1409 15 November 1973 Patent claims 1.] Ribbon cassette for typewriters or similar office machines, which can be used in a receiving device of these machines, is open on its side facing the machines and a supply * and a take-up reel and two guide arms for the ribbon containing both spools on two pivot pins fastened in the cassette are rotatably arranged, characterized in that that it (3) is an interchangeable part of a removable hood (1) which is used to cover the upper part of the Haschine in front of the paper trolley serves that it (3) consists of two one pivot (31, 33) each for the ribbon reel (35t 37) receiving halves (9, 1i), which have a® Push guide (13, 15) are in operative connection with one another and are arranged so as to be lockable at mutually variable distances. 2. Ribbon cassette according to claim 1, characterized that the overlapping guide surfaces (17, 19, 21, 23) of the thrust guide 03 »15) by one of the wall thickness of the basin surface (25) Ribbon cassette (3) corresponding dimension from that formed by the surfaces of the ribbon cassette (3) and the hood (1) Level are offset and one of the largest and smallest distance between the drive devices (27 «29) for the ribbon spools (35 * 37) have the resulting length. 3 · Ribbon cassette according to claim 1 or 2, characterized marked rejects that the two-piece ribbon cartridge (3) and the hood (1) or at least one of these parts are made of a hard, but elastic plastic, and that the cassette (3) and the hood (1) to - 9 - 509822/0462 Locking of the setting positions interacting cams (45) and East have recesses (4-7). 509822/0462 Blank page