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