the telescopic actuator converts a rotation of a rotating shaft of a motor into expansion and contraction movements of {HEAD ~ an output rod} via the planetary reduction gear and {TAIL ~ the screw feed mechanism} 
the telescopic actuator converts a rotation of a rotating shaft of a motor into expansion and contraction movements of { HEAD ~ an output rod } via the planetary reduction gear and { TAIL ~ the screw feed mechanism }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL