| 摘要 |
The device comprises means which are exposed on the rebate side (sections 1, 2, etc., with or without a membrane 6) and on the hinge side (3, 4), the whole making up a flexible element which is inserted between the fixed frame (D) and the opening leaf (O). Once it has been slid on to the doorway or window opening, this joint gradually opens out into a fan shape, automatically holds itself in place and fits most existing door or window frames, without any modifications thereto. It may also prove to be very economical since the use of other devices may not be required. This device can combine various functions, acting as: - safety device, sealing device, device for recalling the door or window and hinge. <IMAGE>
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