| 摘要 |
PROBLEM TO BE SOLVED: To lock surely door equipment in which either right or left door bodies opening/closing in a double-swinging manner is provided with an automatic locking device for performing a locking operation by the closing of the other door body. SOLUTION: A door tread 7 serving as a floor portion is provided with a regulation body 10 which is brought into such a non-regulation attitude as to be flush with an upper door-sill piece 7a serving as the floor surface, in the opening of the first door body 1, and brought into a regulating attitude by swinging upward along with the shift of the attitude of the first door body 1 to a closing attitude, so as to regulate the swing of the first door body 1. The door tread 7 is also provided with a displacement body 11 which is positioned in a portion, facing the door tail-side of the first door body 1, of the door tread 7, so as to be slide-displaced in an opening/closing direction following an opening/closing operation. A linking means 12 for changing the attitude of the regulation body 10 into the regulating attitude by changing the attitude of the first door body 1 into the closing attitude is provided between the regulation body 10 and the displacement body 11. COPYRIGHT: (C)2009,JPO&INPIT
|
