| 摘要 |
A drive assembly for use with a mechanical flying or walking device comprises an articulated member ( 7 ) having first and second portions ( 7 a , 7 b) arranged such that the portions move relative to each other, and a drive mechanism ( 9 ) for imparting motion to the articulated member. The drive mechanism ( 9 ) comprises: a drive member for imparting a cyclic motion on the articulated member, and a control member for controlling, in a predetermined manner, the relative position of the first and second portions during each cycle of the cyclic motion of the articulated member. In the case of a mechanical flying device, two such drive assemblies may be provided, the articulated member of each assembly forming a wing.
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