| 摘要 |
PURPOSE: A device for displaying the locking state of a ram is provided to save the time for installing and keeping with a simple structure and a buried attachment of a control unit and to save a manufacturing cost without wiring a cable or working for a duct. CONSTITUTION: A device (100) for displaying the locking state of a ram comprises a display panel (110), a fixed frame, one or more light emitting members, and a power unit. A phrase with respect to the operation of the ram is printed in the front surface. The fixed frame is mounted on the rear surface which is an opposite side of the front surface in the display panel and is fixed in a control unit. The light emitting member is fixed in the fixed frame and radiates the light facing the rear surface of the display panel. The power unit is connected to the light emitting member and supplies the power to the light emitting member for radiating when the ram operates to stop by the control of the control unit.
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