| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an elevator door device detecting a load from the direction perpendicular to a door surface only by a simple structure and performing a door opening action. <P>SOLUTION: The elevator door device comprises: a car door 10; a landing door 11; a light emission means 24 arranged at one end of a car entrance to emit detection light 23 for detecting an object; a light reception sensor 26 arranged at the other end of the car entrance to receive the detection light 23; a door safety 22 arranged in the door closing end part of the car door 10 and displaced by a load to the door opening direction or a load from the direction perpendicular to the door surface of the car door 10 to block the detection light 23 for the load from the perpendicular direction; and a door control part 9 which stops a door closing action of the car door 10 to perform conversion to a door opening action during the door closing action of the car door 10 when the detection light 23 from the light emission means 24 is blocked and not received by the light reception sensor 26. <P>COPYRIGHT: (C)2012,JPO&INPIT |
