| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a hall door device for an elevator preventing such defects that a door is not opened due to tangling of a rope, the door is not closed automatically, or the door is not opened or closed stably, by a simple structure even when the rope of a weight closer comes off from a pulley. <P>SOLUTION: In the hall door device for the elevator opening and closing an opening formed between an elevator hall and a hoist way of a building for passengers getting on/off, door panels 4R 4L are led and supported in the opening/closing direction by a door rail 5 arranged along an upper side of the opening. The pulley 17 is arranged on an extended line of the door panel in the opening/closing direction. In the pulley 17, one end is connected to the door panel 4R, and a weight 16 for opening/closing the door is connected to the other end thereof. A middle part of the rope 15 is wound around the pulley 17 in a manner of being movable in the longitudinal direction. Further, first and second guide brackets 18a, 18b are respectively arranged on a lateral part and a longitudinal part of the rope 15 near the pulley 17, and the rope 15 is loosely fitted into a guide hole 19 thereof. <P>COPYRIGHT: (C)2013,JPO&INPIT |
