Patent ID: 8922456

Claim:
A deployable antenna, comprising: a flexible reflector mirror surface having an outer edge portion; six deployment link mechanisms arranged radially from a central shaft of the deployable antenna so as to support the outer edge portion of the flexible reflector mirror surface of the deployable antenna; and one deployment driving mechanism arranged at a lower portion of a center of arrangement of the six deployment link mechanisms, for unfolding the six deployment link mechanisms, wherein each of the six deployment link mechanisms comprises a first four-side link, a second four-side link, and a third four-side link arranged in an order from a position of the central shaft, around which the six deployment link mechanisms are arranged, toward an outer side of the each of the six deployment link mechanisms so that the each of the six deployment link mechanisms is structured to be foldable in three stages, each of the first four-side link, the second-four side link, and the third four-side link having four sides, wherein: the first four-side link has four first side link members and first link members coupled within the four first side link members, one of the four first side link members acting as the central shaft and having a first slider while another one of the four first side link members has a second slider and is common to the second-four side link, the first link members being coupled to the first slider and the second slider and to either one of the four first side link members; wherein: the second four-side link has four second side link members and second link members coupled within the four second side link members of the second four-side link, one of the four second side link members of the second four-side link being the another one of the four first side link members and acting as a common vertical link member common to the first four-side link and having the second slider used in common to the first four-side link, while another one of the four second side link members of the second four-side link is used in common with the third four-side link; and wherein: the third four-side link has four third side link members and third link members coupled within the four third side link members of the third four-side link, one of the four third side link members of the third four-side link being the another one of the four second side link members and acting as another common vertical link member common to the second four-side link and having a third slider coupled to the third link members of the third four-side link.