DOOR CONTROL DEVICE FOR ELEVATOR
PURPOSE:To improve efficiency of operating an elevator with no complication of operation by passengers by providing a door closing means which is actuated by a destination story register button to close a door of the elevator. CONSTITUTION:When a destination story register button 4B is turned on, a...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PURPOSE:To improve efficiency of operating an elevator with no complication of operation by passengers by providing a door closing means which is actuated by a destination story register button to close a door of the elevator. CONSTITUTION:When a destination story register button 4B is turned on, a start relay 4A and a destination story register relay 4C are energized, and a normally-opened contact 4Ca is turned on to self hold the destination story register relay 4C. By energizing the above-mentioned start relay 4A, a normally- opened contact 4Aa2 is turned on, a door closing detecting relay AX is energized, a closed circuit is formed by a DC power supply terminal P, normally- opened contact AXa, door close completion detecting normally-closed contact CLS, normally-closed contact DOa, door close start relay CL and a DC power supply terminal N, the door close start relay CL is energized, a normally-opened contact CLa is turned on, the door close start relay CL is self held, and door closing action of an elevator is immediately started. |
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