ModLab UPenn the modular robotics laboratory at the university of pennsylvania

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Spiral Zipper
Spiral Zipper

Spiral Zipper is a novel linear actuator developed in Modlab.  The fundamental concept is that a long thin strip of material is generally flexible along its length but stiff along its height.  If we pattern the upper and lower edges of the strip , winding this strip in a spiral will create a rigid load-carrying […]