The lateral drive moves {TAIL ~ the elevation drive unit} or the like toward the side of the travel rail, the θ drive rotates {HEAD ~ the elevation drive unit} in a horizontal plane, and the elevation drive unit elevates/lowers the elevation frame where the article is chucked and released freely 
The lateral drive moves { TAIL ~ the elevation drive unit } or the like toward the side of the travel rail , the θ drive rotates { HEAD ~ the elevation drive unit } in a horizontal plane , and the elevation drive unit elevates / lowers the elevation frame where the article is chucked and released freely
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH