Externally turnover and openalbe expandable structure and production thereof
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This invention is an outward retroflexion deployable structure and its process method. The structure comprises a movable connecting rod device, which is composed by several tetrahedrons that are connected by rotating joint to form a three- dimensional ring structure. At moving, the structure could deploy into an outspread structure. The process method is as followed: (1) decide the structure form and the basic geometry size and design the basic geometry parameters; (2) calculate out the tetrahedrons size according to the geometry size; (3) link the tetrahedrons through connecting joint at proper positions and design the wheeli»s position; (4) design the slide-raili»s form and size; (5) link the structure and the slide-rail together. This structurei»s top part could be totally closed at closing and easy for control.