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With the design constraints set, the team went to work brainstorming many ideas.
Figure 2: Design Idea One. Perform linear translation with a four-bar linkage.
Figure 3: Design Idea Two. Create a linear translation with a lead screw and sprung shaft that unlatches to release the spring-loaded block.
Figure 4: Design Idea Three.
References
[1] R. Acharya, E. J. Challita, M. Ilton, and M. S. Bhamla, “The ultrafast snap of a finger is mediated by skin friction,” p. 12.
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