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