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    Air knife and conveyor system
    1.
    发明授权
    Air knife and conveyor system 有权
    气刀和输送机系统

    公开(公告)号：US06742285B2

    公开(公告)日：2004-06-01

    申请号：US10352010

    申请日：2003-01-27

    Applicant: Robert R. Shepard

    Inventor： Robert R. Shepard

    IPC: F26B1300

    CPC classification number: F26B21/004 ,  F26B15/12

    Abstract: An air knife constructed in accordance with the present invention directs a curtain of air across a region and most typically is used to direct the stream of air against a surface. In an exemplary embodiment of the invention the air knife includes an elongated housing having an inlet for receiving air into the housing. The housing includes an elongated gap that extends along the housing that allows air entering the housing through the inlet to exit the housing and form a curtain of air. The elongated housing is made from a piece of sheet metal bent to define a hollow region into which air is forced. The sheet metal defines a gap along a length of the housing from which the air exits. The elongated air knife forms an angle with respect to a direction of travel of glass sheets passing the air knife so that a leading edge of those glass sheets passes progressively different parts of the air knife.

    Abstract translation: 根据本发明构造的气刀指导空气横跨区域，最典型地用于将空气流引向表面。 在本发明的示例性实施例中，气刀包括具有用于将空气接收到壳体中的入口的细长壳体。 壳体包括沿着壳体延伸的细长间隙，其允许空气通过入口进入壳体以离开壳体并形成空气帘。 细长的壳体由弯曲的一块金属片制成，以限定空气被强制的中空区域。 金属板沿着壳体的长度限定出空隙，空气从该外壳排出。 细长的气刀相对于通过气刀的玻璃板的行进方向形成一角度，使得这些玻璃板的前缘逐渐通过气刀的不同部分。

    Telephone station set with improved flash signalling
    2.
    发明授权
    Telephone station set with improved flash signalling 失效
    电话台设有改进的闪光信号

    公开(公告)号：US4313037A

    公开(公告)日：1982-01-26

    申请号：US155109

    申请日：1980-06-02

    Applicant: Robert R. Shepard

    Inventor： Robert R. Shepard

    IPC: H04M1/53 ,  H04M1/00

    CPC classification number: H04M1/53

    Abstract: An improved telephone station set for use with a switching system which senses flashing is disclosed. A separate flash key is included on the set. Depression of the flash key causes decoupling of the set for a predetermined time which corresponds to the flash window. Depression of the hook switch, assures decoupling of the set for a sufficiently long period of time so that a hang-up is detected even if the hook switch is immediately released.

    Abstract translation: 公开了一种与感测闪烁的切换系统一起使用的改进的电话台。 集合中包含单独的闪光钥匙。 闪存键的抑制使得该组合对应于闪光窗口的预定时间的解耦。 挂钩开关的抑制，确保组合的去耦足够长的时间段，使得即使挂钩开关立即释放也可以检测到挂断。

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