{TAIL ~ a radially extending slot} for {HEAD ~ engagement} with said camming pin and causing said one of said solar panels to rotate with said pulley; and 
{ TAIL ~ a radially extending slot } for { HEAD ~ engagement } with said camming pin and causing said one of said solar panels to rotate with said pulley ; and
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH