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    Index-selector devices
    1.
    发明授权
    Index-selector devices 失效
    索引选择器设备

    公开(公告)号：US4204352A

    公开(公告)日：1980-05-27

    申请号：US886683

    申请日：1978-03-15

    申请人： Malcolm Laughton ,  Sidney H. Robinson

    发明人： Malcolm Laughton ,  Sidney H. Robinson

    IPC分类号： B42F17/34 ,  B42F17/20

    CPC分类号： B42F17/346

    摘要： In an index selector device of the kind for use with a stack of index cards housed between a base and a lid hinged together and having a selector on the lid to release the lid after moving card-engaging members into engagement with a card so as to raise all the cards in the stack above the one required, the selector is a plurality of push buttons, one to each card-engaging member, arranged in two rows at right angles to the hinge. Interengaging inclined surfaces on each push button and card-engaging member cause lateral sliding movement of the card-engaging member on depression of the push button. A hook on the card-engaging member moves under the edge of the card above the one required and co-operating inclined surfaces on the inner end of the card-engaging device and a central catch bar cause the catch bar to release the lid. A barb on the card-engaging member hooks into a recess on the catch bar to hold the card-engaging member in the card-engaging position while the lid is open. A tongue on the catch bar which yields when the lid opens strikes an abutment as the lid closes and pushes the catch bar back to disengage the barb from the recess and release the card-engaging member to its normal position.

    摘要翻译： 在这种类型的索引选择装置中，该装置用于安放在基座和盖子之间的索引卡片堆叠，并且在移动卡片卡合部件与卡片卡合之后在盖子上具有选择器以释放盖子，以便 将堆叠中的所有卡片提升到所需的所有卡片上，选择器是多个按钮，每个卡扣接合构件一个布置成与铰链成直角的两行。 每个按钮和卡接合构件上的倾斜表面导致按压按钮的卡接合构件的横向滑动运动。 卡片接合部件上的钩子在卡片接合装置的内端上的一个所需和配合的倾斜表面上方的卡的边缘下方移动，并且中央卡扣杆使卡扣杆释放盖子。 卡接合构件上的倒钩钩在卡扣杆上的凹部中，以在盖打开时将卡接合构件保持在卡接合位置。 当盖子关闭时，盖子打开时产生的接合杆上的舌头，并且将卡扣杆推回以将倒钩从凹部脱离并将卡片接合构件释放到其正常位置。