| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an emergency closing system of sliding doors having a high degree of freedom of the design of a driving system by a simple structure by arranging a weight in a frame of the door. <P>SOLUTION: The sliding doors 20 and 21 are constituted so as to be opened and closed in conjunction with the movement of the right and left by a driving motor 12 of an opening/closing device 10. A control circuit is constituted so as to drive the opening/closing of the doors 20 and 21 by the driving motor 12 in ordinary operation to release a brake 11 when operating the driving motor 12 and to brake the brake 11 when stopping the driving motor 12, and to independently release the brake 11 in an emergency. The sliding doors 20 and 21 have a wire rope 56 for suspending the weight 40 via a deflection pulley having one end fixed to a right or left one-side door and having the other end arranged in the frame of the other door, and the weight 40 energizes the right/left doors 21 and 20 in the closing direction by dead weight via a wire rope 46. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
