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    Scissors-type window operator
    21.
    发明授权
    Scissors-type window operator 失效
    剪刀型窗户操作员

    公开(公告)号：US6044587A

    公开(公告)日：2000-04-04

    申请号：US814084

    申请日：1997-03-10

    Applicant: Gregory J. Vetter ,  Stephen M. Piltingsrud

    Inventor： Gregory J. Vetter ,  Stephen M. Piltingsrud

    IPC: E05F11/24 ,  E05F11/34 ,  E05D15/10

    CPC classification number: E05F11/34 ,  E05F11/24 ,  E05Y2201/604 ,  E05Y2201/694

    Abstract: An operator for controlling the movement of a window sash generally pivotable relative to a frame about a first edge between open and closed positions includes a first arm having a first end slidably attachable to a second edge of the window sash opposite the sash first edge. A second arm has a first end also slidably attachable to the sash second edge, and is further pivotally secured to the first arm. A base is attached to a frame and includes a drive attached to the other ends of the first and second arms for pivoting the first arm relative to the second arm whereby the first ends and second ends of first and second arms are disposed together with a window sash in an open position and the first ends and second ends are spaced apart with a window sash in a closed position. A connector for slidably attaching an operator arm to a window sash includes a metal track attachable to a window sash, a plastic shoe translatable along the track, and a plastic post pivotally secured to the shoe by a metal rod substantially parallel to the track. The post is disposable through an opening in the operator arm so that an end of the post protrudes from the opening. A plastic clip is disposed about the end of the post for securing the post in the operator arm opening.

    Abstract translation: 用于控制窗框的运动的操作者，其通常相对于框架围绕打开和关闭位置之间的第一边缘可枢转地包括第一臂，其具有可滑动地附接到与窗扇第一边缘相对的窗扇的第二边缘的第一端。 第二臂具有可滑动地附接到窗扇第二边缘的第一端，并进一步枢转地固定到第一臂。 基座附接到框架并且包括附接到第一和第二臂的另一端的驱动器，用于相对于第二臂枢转第一臂，由此第一和第二臂的第一端和第二端与窗口一起设置 窗框处于打开位置，并且第一端和第二端与窗框处于关闭位置间隔开。 用于将操作臂可滑动地连接到窗框的连接器包括可连接到窗框的金属轨道，可沿着轨道平移的塑料靴和通过基本上平行于轨道的金属杆枢转地固定到鞋的塑料柱。 该柱通过操作臂的开口是一次性的，使得柱的端部从开口突出。 围绕柱的端部设置塑料夹，用于将柱固定在操作臂的开口中。

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