An elastically deformable elastic coupling member is provided in {HEAD ~ a coupling mechanism} interconnecting {TAIL ~ the motor} and the valve element 
interconnecting
An elastically deformable elastic coupling member is provided in { HEAD ~ a coupling mechanism } interconnecting { TAIL ~ the motor } and the valve element
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH