The synchronizer 33, wherein {HEAD ~ the first stop mechanism} includes {TAIL ~ a limit switch} mounted to one of the vehicle and the room, the limit switch being actuated when the room is moved into the retracted position 
includes
The synchronizer 33 , wherein { HEAD ~ the first stop mechanism } includes { TAIL ~ a limit switch } mounted to one of the vehicle and the room , the limit switch being actuated when the room is moved into the retracted position
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH