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