| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an elevator device, capable of detecting a string-like foreign matter without lowering operation efficiency of an elevator. <P>SOLUTION: This elevator door device is provided with car doors 1a and 1b provided on a car doorway, a door closure detecting switch 12 to detect closure of the car doors 1a and 1b, and a door safety shoe 5 provided on the car doors 1a and 1b. On the car doors 1a and 1b, a first foreign matter detecting switch 10 to be actuated by retraction move of the door safety shoe 5, which is effective after the car doors 1a and 1b start closing and until the car starts, and ineffective after the car starts, and a second foreign matter detecting switch 11 that is ineffective before the car starts, and becomes effective after the car starts, and till it stops are provided. <P>COPYRIGHT: (C)2007,JPO&INPIT |
