US 7,321,185 B2
Active multistable twisting device
Marc R. Schultz, Louisville, Colo. (US)
Assigned to United States of America as represented by the Administrator of the National Aeronautics and Space Administration, Washington, D.C. (US)
Filed on Mar. 06, 2006, as Appl. No. 11/370,377.
Claims priority of provisional application 60/660025, filed on Mar. 04, 2005.
Prior Publication US 2007/0120011 A1, May 31, 2007
Int. Cl. H01L 41/08 (2006.01); H01L 41/12 (2006.01); H02N 2/00 (2006.01); H02N 10/00 (2006.01)
U.S. Cl. 310—368  [310/328; 310/330; 310/371; 310/26; 310/307; 310/309] 27 Claims
OG exemplary drawing
 
1. A multistable device, comprising:
two similar-shape shells, each having a cylindrical shape;
said shells each having a first and second set of opposing edges;
said first set of opposing edges aligned such that they touch along the length thereof;
said second set of opposing edges connected such that some portion thereof may move relative to one another;
a means to effect transformation of said device from a first stable shape to at least a second stable shape.