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