#$%^&*AU2017279606B220190711.pdf#####Abstract A linear actuator (200) comprising a rotary electric motor (201), a piston (207), and means which are 5 interposed between the electric motor (201) and the piston (207) for transforming the rotation movement of the motor (201) into a linear displacement of the piston (207), said interposed means comprising: • at least one peripheral ramp (214) arranged inside 10 said piston (207), • at least one bearing means (209) designed so as to cooperate with said peripheral ramp (214), and • at least one guide means (203, 216) allowing the piston to guide the translation movement, 15 in which the ramp (214) comprises (i) at least one threshold located at the summit of said ramp (214) and (ii) a passage (219) that allows the piston (207) to free itself of the stresses exerted by the ramp and said bearing means (209). 20 Figure 1420320 20 205 208 208 v n20 Figure 1FFigure14 //14
