| 摘要 |
The present invention relates to a swivel actuator for all rectilinear or rotatory movements, acting on the component elements (1 and 2) of the joint, characterised in that it acts directly on the joint axle (3), and in that it consists advantageously of at least one jack (4) and of chains or cables (5) guided, on the one hand, on the joint axle (3) and, on the other hand, on pinions or grooved pulleys or wheels (6), the jack (4) cooperating with the chains or cables (5) and, if appropriate, with the joint axle (3) which is fixed at one of its ends to one of the elements (1 or 2), the other element (2 or 1) accommodating the actuator. <IMAGE> |
