| 摘要 |
<p>The invention relates to a device for opening a pull door by sinking, capable of applying a pressure on the vertical surface of the wall and of making it sink when the device is placed against the door on the side on which it opens when pulling, comprising a cylinder, an intermediate sole (6) and an upper bearing bar (7), characterized in that it comprises an upper bearing device (11) hinged to the upper end of said upper bearing bar (7), comprising at least one setting and locking part (12) defining: a front planar portion (12a) that can be inserted into a slot (3a) between the door frame (2) and the upper end (3i) of the door (3); a raised portion (12b) extending in a longitudinal direction YY' perpendicular to said front planar portion (12a) and above the latter; and a rear portion (12c) located at the base and at the back of said raised portion and under the face of which a fixation member (12d) enables the rotational hinging of said setting and locking part (12) relative to the upper end of said upper bearing bar (7).</p> |
