| 摘要 |
The present invention relates to a device for opening a door by staving it in, which device can exert a thrust on the vertical surface of the door and stave it in when the device is positioned against the door on the side to which it opens by being pulled, the device comprising an actuator, an intermediate soleplate (6), and an upper jacking bar (7), the device being characterized in that it comprises an upper jacking device (10) fixed in hinged manner to the upper end of said upper jacking bar (7), and comprising at least one wedging and locking device (12) forming: a front flat portion (12a) that can be introduced into a slit (3a) between the door frame (2) and the upper end (31) of the door (3); and a riser portion (12b) extending in a longitudinal direction YY′perpendicular to said front flat portion (12a) and above it, and a rear portion (12c) located at the base of and behind said riser part, at the underside of which a fixing element (12d) is capable of allowing pivotal hinging of said wedging and locking part (12) relative to the upper end of said upper jacking bar (7)
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