| 摘要 |
An electric actuator comprises a feed screw shaft which allows a piston and a piston rod to make rectilinear reciprocating motion by converting the rotary driving force of a rotary driving source into rectilinear motion to transmit to the piston and the piston rod, a rod cover which separated from a housing at a predetermined distance in the axial direction, and a pair of guide rods each of which has one end connected to the rod cover and the other end connected to the housing and which are parallel to one another with the piston intervening therebetween to guide the piston.
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