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    • 3. 发明公开
    • Feed arrangement for a typing and/or correction ribbon for typewriters, and linear motor for use therein
    • 用于TYPEWRITERS的类型和/或校正RIBBON的馈线装配和用于其的线性电动机
    • EP0434198A3
    • 1991-09-11
    • EP90311829.7
    • 1990-10-29
    • Ing. C. Olivetti & C., S.p.A.
    • Gillio, ClaudioBonmassari, Gianpaolo
    • B41J35/22
    • B41J35/22
    • A feed arrangement (11) for a typing ribbon (24) and/or a correction ribbon (36) comprises a linear motor (96) having a coil-carrying slide (97) which is movable with an alternating rectilinear movement, a toothed wheel (139) for the feed movement of the ribbon, and a connecting mechanism (99) interposed between the coil-carrying slide (97) and the wheel (139) for converting the movement of the slide (97) into a unidirectional rotary movement of the wheel (139) for advancing the ribbon (24) and/or (36). The connecting mechanism (99) comprises a first lever (126) which is moved by the slide (97) and two mutually independent ratchet assemblies (122) and (123) which are capable of alternately engaging with two diametrally oppositely disposed teeth on the toothed wheel (139). The ribbon (24) is carried by a cassette (14) and the wheel (139) rotates a blade (148) capable of engaging into a seat (149) in a feed roller (151) of the cassette (14). The linear motor (96) is of the type comprising a permanent magnet (101) of cylindrical shape, a ferromagnetic core (102) which is coaxial with respect to the magnet (101) and which surrounds the permanent magnet (101) and defines a radial air gap with the permanent magnet (101), and a winding (103) which is accommodated in the air gap and is supported by the coil-carrying slide (97). The slide (97) is capable of bidirectional movement coaxially with respect to the permanent magnet (101) in response to bidirectional excitation currents in the winding (103), coming from an actuation circuit (118) which in turn is controlled by a central unit (119) of the machine.
    • 9. 发明公开
    • Ribbon cassette from which a supply reel or a take-up reel can be pulled out, and a thermal transfer printing apparatus using the ribbon cassette
    • 色带盒,从该供给卷轴或卷带盘被移除,并使用该色带盒的热转印印刷装置。
    • EP0666181A1
    • 1995-08-09
    • EP95101306.9
    • 1995-01-31
    • CASIO COMPUTER CO., LTD.CASIO ELECTRONICS MANUFACTURING CO., LTD.
    • Kabasawa, Yasunari, c/o Intellect. Pty Ctr, Hamura
    • B41J35/22B41J32/00B41J17/32B41J2/325
    • B41J17/32B41J35/22
    • A thermal transfer printer has a thermal head (25), a lift mechanism and first and second racks (29a, 29b) for holding first and second ribbon cassettes (30a, 30b), respectively. Each ribbon cassette holds a supply reel (32) and a take-up reel (33). The used part of an ink ribbon (31) is wound around the supply reel (32), and the unused part of the ribbon around the take-up reel (33). Both racks can slide to the left and the right. When the first ribbon cassette (30a) is selected, the thermal head (25) is positioned away from the printing section, and the lift mechanism pulls out the first ribbon cassette (30a) and the ink ribbon (31) held in the first cassette (30a) downwards from the first rack (29a). As a result, the take-up reel (33) is pulled out from the first cassette (30a) and remains in the first rack (29a). The ink ribbon (31) is thereby stretched vertically near a printing position in the printing section. The thermal head (25) is moved into the printing section to contact the ink ribbon (31). The head (25) transfers ink from the ribbon (31) onto a paper sheet, thus printing image data on the paper sheet.
    • 热转印打印机具有热敏头(25),一提升机构和第一和第二齿条(29A,29B),用于保持第一和第二带盒(30A,30B)分别。 每个带盒保持一个供带盘(32)和卷带盘(33)。 的墨带(31)的已使用部分缠绕在供带盘(32),并围绕卷取卷筒(33)的带的未使用部分缠绕。 两个机架可以滑动到左侧和右侧。 当选择了第一带盒(30A),热打印头(25)位于从印刷部远,并提升机构翻出在第一盒保持在第一带盒(30A)和所述墨带(31) (30A)向下从第一齿条(29A)。 其结果是,在卷带盘(33)从所述第一盒(30)被拉出,并保持在所述第一齿条(29A)。 墨带(31)由此被垂直拉伸附近在印刷部印刷位置。 热头(25)被移动到印刷部到接触所述墨带(31)。 所述头部(25)传递从所述带(31)的油墨在纸张上,从而在打印纸张上的图像数据。