| 摘要 |
An apparatus for supporting a platform ( 84 ) relative to a base ( 82 ), has first, second, and third flexible shaft couplings ( 80 ). Each flexible shaft coupling ( 80 ) is mechanically coupled between the platform ( 84 ) and the base ( 82 ). Each flexible shaft coupling ( 80 ) has a rigid intermediate member ( 12 ) and a platform coupling ( 104 ) with a plurality of folded sheet flexures ( 20 ). Each folded sheet flexure ( 20 ) is coupled to the rigid intermediate member ( 12 ) on one side of a fold ( 36 ) and coupled to the platform ( 84 ) on the opposite side of the fold ( 36 ). Each flexible shaft coupling ( 80 ) also has a base coupling ( 102 ) with a plurality of folded sheet flexures ( 20 ) wherein each folded sheet flexure ( 20 ) is coupled to the rigid intermediate member ( 12 ) on one side of a fold ( 36 ) and coupled to the base ( 82 ) on the opposite side of the fold ( 36 ).
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