The arm 36 is shown constructed with {HEAD ~ a spring member} 38 mounted about a shaft 81, an aperture 82 is formed within {TAIL ~ the lever member} 36 for entry of shaft therein 
The arm 36 is shown constructed with { HEAD ~ a spring member } 38 mounted about a shaft 81 , an aperture 82 is formed within { TAIL ~ the lever member } 36 for entry of shaft therein
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH