| 摘要 |
An actuating device for a pivoting closure member of the type comprising at least one rod (10, 11) articulated at one end on the closure member (14) connected at its other end to motor members. According to the invention, the motor members mounted fixedly on a support are constituted by a pair of pneumatic linear actuators or a pneumatic linear actuator/return device which act on the respective ends of a member which interconnects them to opposite tractive forces that are non-simultaneous, so as to impart to the connecting member a linear reciprocating movement adapted to be transformed into rotational movement, this rotational movement being transmitted by a suitable transmission member (9) to the rod (10, 11).
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