Linear actuator

摘要

A linear actuator comprises a mobile which is provided substantially perpendicularly to a longitudinal axis of a ball screw shaft with its first side portion connected to a screw guide member and with its second side portion slidably fitted to a slider, while movably holding a ball screw nut engaged with the ball screw shaft by the aid of the screw guide member which is finely movable in a recess of the slider allowed to ride over a guide rail in a bridging manner.