| 摘要 |
<p>The invention concerns an arrangement for opening and locking a folding door using a driving motor 4, which door has a first door panel 2 which can be turned on hinges on the door frame 1, and a second door panel 3 fixed on hinges, which motor has been arranged to rotate a transverse arm 7 relative to the motor's 4 drive shaft 5 which is essentially parallel to a hinge line formed by the hinges 6 between the door panels 2, 3. The free end of the arm 7 is connected to an auxiliary arm 8, the free end of which auxiliary arm 8 is for its part connected to the door frame 1 or to another fixed part. The driving motor 4, which is secured on the said second door panel 3, is arranged to turn an arm 7, transverse in relation to the drive shaft 5, essentially through a complete turn. <IMAGE></p> |
