Patent ID: 6682020
Filing Date: 2004-01-27
Classification: B64G,Y10T

Abstract:
A satellite solar generator assembly comprising:first and second joint parts connected with respective solar generator extension arms, a hinge pin pivotally connecting the first and second joint parts, a large pulley rotatably mounted at the hinge pin and fixed to the first joint part, a small pulley disposed on the second joint part at a spacing from the larger pulley, a cord partially wound on both the large and small pulleys, and a drive which in use operates to rotate the small pulley to wind the cord thereon, said cord being operable to rotate the large pulley and unfold the solar generator extension arms, wherein a ratio of a torque on the large pulley over a torque on the small pulley is equal to a ratio of the diameter of the large pulley over the diameter of the small pulley.