| 摘要 |
<p>2112403 9301386 PCTABS00019 An electrical actuator device for opening and closing doors and windows having an openable frame between the closed position and a ventilation or tilted position comprises an electric drive unit with a reversible motor (15) and associated transmission means (16 to 22). The drive unit is accomodated within a housing (1) on a frame member serving to receive a locking mechanism, and one of the transmission means (22) is designed for functionally engaging a locking mechanism mounted in the frame member and a transfer element (25), respectively, which by means of a coupling fixture (41) is connected with the main frame, the transmission means (22) having a first and a second engagement member (26, 27) for engaging a first and a second carrier member (33; 47), respectively, which is in functional relationship with a square shaft (7) connected with the locking mechanism and with the transfer mechanism, respectively, for moving it in an opening direction (56) or a closing position (58) in continuation of rotation of the square shaft (7) for releasing the locking means and prior to rotation of the square shaft (7) for closing the locking members, respectively.</p> |
