Abstract
Disclosed is an electric actuator comprising a feed nut member and a movable member for making displacement along a longitudinal direction of a frame by the aid of a rotary driving force transmitted by a ball screw shaft in accordance with a driving action of a rotary driving source, and guide blocks formed separately from the movable member and the feed nut member, for making displacement along the frame integrally with the movable member, wherein the movable member is detachably installed to the guide blocks.
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