DE2019648C - Device for guiding an ink ribbon in writing and printing units - Google Patents

Description

the invention is shown by Ke Sp »b» JW «Λ S

To enable touching the same.

According to the invention diet ζ object is achieved in that the ribbon guides two symmetrically-formed Luse, a closed guide channel for ^ c ribbon having continuously curved

nmlenkarme, the free ends of which in tight Ab-Umienwi "., ___ ,," ._ ", _{and Dara} | i _{el for} writing reaches to dtese ^ Vxxto * m * ™ ^^ S _w

^h ^ ^l _r rh ^nd the arrangement _{according to the invention W} , d a j ^^^ i ^ SnÄi «^ The protection of the ribbon thereby emell. teppt "Jf ⁰ ^ J ^ end so Kre.sform.g from S ^« the ribbon deflection arms continuously 59, 61, de an in _{pivot pins} 65, 67 of the

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F J 4 a Dmufsich, on a part

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Α ^ _Rubs drs

Parts of the deflection arms

Be the pressure point passed and taut

now introduced,

hese for

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Deflection arms 69,71 of the links 107, 109 of the Hubvcrslelleinriclitung 7 are uncoupled. Then new ribbon cartridges 15,17 with the rotatably mounted deflection arms 69,71 and the ribbon 9 used again without the Fingers to come into contact with the ribbon itself.

The hearing is by no means based on the one shown

Execution examples limited. Rather, deviations from the illustrated exemplary embodiments are possible, which in adaptation to the respective circumstances and dimensions in the form of constructive changes can be made. The Umlcnkarmc 69,71 could also can be formed in one piece 77 with an open guide surface 69.

1 sheet of drawings

Claims (7)

2 019 048 ι. * - tape cassettee (JfSi 17) and the Urolenkarme (69, * 71) on a lightweight, injectable patent claims: material exist. 1. Device for guiding a ribbon 5 _____ in typewriters and similar machines, where _—-—— the ink ribbon from one parallel to the platen
horizontally stored supply spool from which it exits upwards, over two ribbon guides can be transported, and in which the supply reel, which is mounted horizontally to the platen, in the area of the writing point at different from which it exits upwards, adjustable via two ink ribbon lift heights and parallel to the writing guides to an ink ribbon guide that can also be swung up and down parallel to the writing plane. , ₅ roller horizontally stored winding-up spool, in which are formed so that the ribbon enters from above, can be transported, and with the entry and exit divider on the ribbon in the area of the writing column Ie on different coils in a position parallel to the writing plane, adjustable lifting heights and deflecting parallel to the writing en, characterized in that the ribbon guides which can be swung up and down are flat _{so that the ribbon guides are two mirror images 2} o designed so that they remove the ribbon from de :. formed, a closed guide channel entry and exit points on the ribbon reels in (91, 93) for the ribbon '9), continuously deflect a position parallel to the writing plane, are curved deflectors (69, 71) . In typewriters it is known to raise the color of the free ends (73, 75) closely spaced only for the type imprint in the area in front of the writing point and parallel to the writing line to be written on, so that. m> level are facing each other, and the other for a long time no type imprint is made, the cin ends in upwardly pointing out and set line of the paper to be labeled for the stepping points (57, 55) for the ribbon of two the machine operator remains freely visible; the ink spools (27, 20) receiving ink ribbon- In known printing units (LJSA.-Patentschrft cassettes (15. 17) are rotatably mounted. 30 2 919 008) the supply and take-up spools are in 2. Apparatus according to claim 1, characterized in that a single housing is housed in that one indicates that each deflecting arm (69, 71) has a pivot (65, 67) at one end arranged on the traveling type carrier carriage, ribbon transport device can be used. When the hinge-like with the ribbon cassette (15, ribbon change, the housing is connected to the ribbon 17) . Take out 35 bobbins, insert a new one and 3. Apparatus according to claim I or 2, that the tape between the reels in the guide to be characterized in that each ribbon cassette slide. Since the person (15, 17) operating the machine consists of a cup (19) and a cover to flatten the ribbon change out (21) if possible, and that the cup (19) should guide one, the one to be pushed into the guide must be Has lateral surface (20) which can be seen uncolored or with special holders ver-pivot pins (65, 67) of the deflecting arms (69, 71) for the storage of the ribbon part in order to allow the ribbon to be specially designed. designed ribbon guide forks without contamination 4. Apparatus according to claim 3, thereby being able to insert the fingers, indicates that the lateral surface (20) through the guidance of the ribbon in the Auslaps arranged and mutually inclined 45 occurs slits in the cassettes and in the ribbon tongues (59,6J), which fork at their ends, also occurs in the form of a circle in the color bands are formed and the pivot significant wear, namely z. B. that (65, 67) include. When lifting the ribbon into the appropriate print 5. Apparatus according to claim 3, characterized by being pushed together at some points. This indicates that the pivoting movement of the constant deformation of the ink ribbon causes a steering arm (69, 71) with an inclined surface (58) that has a shorter service life. of the tongue (59) and the end (60) of the tongue (61) This disadvantage is after the subject of the is delimitable. U.S. Patent 2,886,162 avoided that 6. Device according to one of the preceding, the ribbon of ribbon reels upwards-Ansprüchc, characterized in that the um- 55 is guided and over ribbon guides and on the steering arms (69, 71) arranged from at least two parts of the ribbon hangers rollers an um- (77,79,81,83) exist, the ends of which form a joint in a position crmcinsamen pivot pin (65, 67) parallel to the writing plane. moves. To keep the ribbon taut at the pressure point for 7. Device according to one of the preceding a flawless impression by passing to claims, characterized in that the um- 60, it is particularly stressed on the sharp articulated arms (69, 71) lugs (95, 97) with cutouts. As a result, the LebcnsnHingen (99, 101) will have impaired the cushioned duration of the ribbon. Likewise (103, 105), parallel to the platen (3), the ink ribbon is constantly exposed to drying out in a relatively large link (107, 109) of the lifting device. Lung (7) also intervene. 65 is likely to be a change of ribbon that the machine bed. Device after one of the preceding serving person cause some difficulties. A Claims, characterized in that the soiling of the fingers is almost not / u Avoid the cup (19) and the cover plates (11) of the dye.