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8 条记录 (耗时 0.007 秒)

    A plastic molding and a method of its manufacture
    1.
    发明公开
    A plastic molding and a method of its manufacture 失效
    塑料成型及其制造方法

    公开(公告)号：EP0055174A3

    公开(公告)日：1983-11-30

    申请号：EP81402008

    申请日：1981-12-16

    申请人： FUJITSU LIMITED

    发明人： Masahiko, Shiho ,  Yasunori, Sato

    IPC分类号： B41J05/12

    CPC分类号： B41J5/12 ,  B29C45/16 ,  B29L2031/466 ,  H01H2229/046 ,  Y10T428/24182 ,  Y10T428/24331

    摘要： In a plastic molding such as key top with signs or letters appearing on its face, comprising a first part molding (11) formed on its top with projections defining an enclosed area and a second part molding (12) of a color other than that of the first part molding, adhered on the surface of the first part molding allowing ends of projections exposed, the invention discloses that the first part molding is formed like meshes with a number of through holes, and the projections correspond to through holes, the second part molding is caused to adhere the first part molding to be buried in plastic material of the second part molding, part of plastic material of the first part molding is filled into the enclosed area by way of the through holes. The investion also concerns a method of making such plastic molding, and an inner member (15) of the mold die may be used commonly regardless of the sign or letter to be provided to the plastic molding.

    Contact keyboard and method of its manufacture
    3.
    发明公开
    Contact keyboard and method of its manufacture 失效
    联系键盘及其制造方法

    公开(公告)号：EP0091284A3

    公开(公告)日：1984-11-21

    申请号：EP83301831

    申请日：1983-03-31

    申请人： Ing. C. Olivetti & C., S.p.a.

    发明人： Maquignaz, Mario ,  Bassetti, Eugenio ,  Spinoni, Orlando

    IPC分类号： B41J05/12

    CPC分类号： H01H13/70 ,  H01H2215/004 ,  H01H2221/062 ,  H01H2229/018 ,  H01H2229/034 ,  H01H2229/044 ,  H01H2233/006

    摘要： A contact keyboard comprising a plurality of keys (10) each having an actuator (11) movable axially in opposition to the action of an elastic element (22) to effect the connection of parts (23-25) of an electric circuit. The actuators (11) are slidable in guide recesses (12) formed by moulding in a single block (15) of plastics material. Assembly of the actuators, the guide block, the elastic elements and the electric circuit on a supporting plate (16) can be effected automatically. Assembly takes place with the block (15) upside down, on the plate (16). The actuators (12) are moulded in one piece with connecting sprues and are inserted in one operation. The sprues are then removed, the elastic elements (22) are put in place and then a printed circuit board (26) is fitted.

    Keyboard
    6.
    发明公开
    Keyboard 失效
    键盘

    公开(公告)号：EP0104956A3

    公开(公告)日：1986-04-30

    申请号：EP83305858

    申请日：1983-09-28

    申请人： Ing. C. Olivetti & C., S.p.A.

    发明人： Berutto, Eugenio ,  Franchino, Giovanni ,  Stella, Lino

    IPC分类号： B41J05/12 ,  H03K17/965

    CPC分类号： H01H13/70 ,  H01H2203/022 ,  H01H2215/024 ,  H01H2233/012 ,  H01H2233/034 ,  H01H2233/074 ,  H01H2233/098 ,  H01H2235/002 ,  H01H2235/016 ,  H01H2239/01 ,  H03K17/965

    摘要： A contact-type keyboard comprises a plurality of modular keys and a support panel (11) provided with openings (12) in which the keys are inserted. Each key is provided with a pair of resilient tongue portions (51, 52) which lock it to the panel (11) and which are deformable to permit the key to be easily removed from the panel (11). Each key further comprises a resilient system formed by a dome-shaped spring and a coil spring, which are interposed between a movable actuator and the subjacent conducting parts of an electrical circuit.

    摘要翻译： 一种接触式键盘包括多个模块化键和设有开口（12）的支撑面板（11），所述键插入所述开口（12）中。 每个键设有一对将其锁定到面板（11）上的弹性舌部分（51,52），并且该舌状部分是可变形的，以允许钥匙容易地从面板（11）移除。 每个键还包括由圆顶形弹簧和螺旋弹簧形成的弹性系统，其被插入在可移动致动器和电路的下面的导电部分之间。