Negative pressure actuated soft bending actuator
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United States of America Patent
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Oct 29, 2019
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app pub date -
Aug 13, 2018
filing date -
Aug 13, 2018
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Abstract
A soft robotic bending actuator has a stiff layer bonded to a softer layer where the softer layer is a cellular solid with interconnected voids. The softer layer contracts under a negative pressure differential between the internal pressure of the actuator and its environment applied along its axial direction. The contraction results in a bending motion; i.e., an increased curvature away from the stiff layer.
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