摘要 |
Locking device for a mechanical actuator with rectilinear or circular movement, characterised in that it comprises at least one rod (1, 32) that is normally locked by notched wheels (15, 16) mounted on shafts (17, 18) and interacting with V-shaped retaining blocks (10, 11) comprising toothed inclines (12, 13) whose vertical displacement is produced by the rotation of a cam (20) that is caused to revolve by pins (22a) fixed to a circular part (22) that is mounted on a shaft (21) driven either by manual control or by a motor. …<IMAGE>… |