{TAIL ~ The improvement} 2 wherein {HEAD ~ said arm one end portion} is angled for pivoted support by said housing 
{ TAIL ~ The improvement } 2 wherein { HEAD ~ said arm one end portion } is angled for pivoted support by said housing
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH