| 摘要 |
PROBLEM TO BE SOLVED: To provide an opening/closing device which is set to a gateway closed state in which a gateway opening/closing member closes a gateway by a force generated when an opening/closing body opens an opening from an opening closed state.SOLUTION: An opening/closing device comprises: an opening/closing body (shutter curtain 3) for opening/closing an opening 9; an opening storage part; a gateway 5 of the opening/closing body; a gateway opening/closing member 6 for opening/closing the gateway of the opening/closing body; and gateway opening/closing member closing means 7 for setting the gateway opening/closing member to a gateway closed state of the opening/closing body according to the movement of a lower part of the opening/closing body from an opening side to the gateway of the opening/closing body. The gateway opening/closing member closing means 7 is equipped with: rotary support means 71 for rotatably supporting the gateway opening/closing member so that the gateway of the opening/closing body can be opened/closed; and turning force applying means 74 for applying a turning force making the gateway opening/closing member turn to the gateway opening/closing member so that the gateway of the opening/closing body is shifted from the opened state of the gateway of the opening/closing body to the closed state thereof, when a lower end of the opening/closing body moves from the opening side to the gateway of the opening/closing body and the opening/closing body opens the opening. |
