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    • 3. 发明授权
    • Transition plate position sensor for safe check-out counter conveyor operation
    • 过渡板位置传感器,用于安全检查柜台输送机操作
    • US07648020B2
    • 2010-01-19
    • US12041064
    • 2008-03-03
    • Scott Wesley DickoverWesley Dale Dickover
    • Scott Wesley DickoverWesley Dale Dickover
    • B65G47/66
    • B65G43/00B65G47/66
    • A transition plate assembly and a position sensor assembly are used to detect a dislodged or removed transition plate from a gap between the discharge end of a conveyor and the first end of a run-out ramp. The position sensor assembly may detect a safe seated position of a hinged transition plate protecting the gap and generate a motor-enabling signal to a drive motor that drives the conveyor. An interrupted motor-enabling signal, corresponding to an unsafe condition, may turn off the drive motor to prevent damage to articles or persons until an enabling signal is restored. In one embodiment, the termination of the power to the drive motor continues until a delay period has elapsed following the detection of an enabling signal.
    • 使用过渡板组件和位置传感器组件来检测从输送机的排出端和流出坡道的第一端之间的间隙中移动或移除的过渡板。 位置传感器组件可以检测保护间隙的铰接过渡板的安全就位位置,并向驱动输送机的驱动马达产生电动机启动信号。 对应于不安全状态的中断电机使能信号可能会关闭驱动电机,以防止损坏物品或人员,直到启用信号恢复。 在一个实施例中,驱动马达的功率的终止继续,直到检测到使能信号之后经过延迟时间。