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Title: Soft buckling actuators

A soft actuator is described, including: a rotation center having a center of mass; a plurality of bucklable, elastic structural components each comprising a wall defining an axis along its longest dimension, the wall connected to the rotation center in a way that the axis is offset from the center of mass in a predetermined direction; and a plurality of cells each disposed between two adjacent bucklable, elastic structural components and configured for connection with a fluid inflation or deflation source; wherein upon the deflation of the cell, the bucklable, elastic structural components are configured to buckle in the predetermined direction. A soft actuating device including a plurality of the soft actuators and methods of actuation using the soft actuator or soft actuating device disclosed herein are also described.
Issue Date:
OSTI Identifier:
President and Fellows of Harvard College (Cambridge, MA) EFRC
Patent Number(s):
Application Number:
Contract Number:
Resource Relation:
Patent File Date: 2015 Apr 13
Research Org:
President and Fellows of Harvard College, Cambridge, MA (United States)
Sponsoring Org:
Country of Publication:
United States

Other works cited in this record:

Hydraulically energized magnetorheological replicant muscle tissue and a system and a method for using and controlling same
patent, January 2001

Electrostatic/pneumatic actuators for active surfaces
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Soft robotic actuators
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Overlay mattress
patent-application, August 2003

Pneumatic lift
patent-application, June 2005

Double-acting deformable fluid actuator of the muscle type with three chambers
patent-application, August 2007

Inflatable structure for use in an inflatable lifting device and an inflatable lifting device incorporating two or more such structures
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Soft Actuators and Soft Actuating Devices
patent-application, January 2016

Soft Robotic Actuators Utilizing Asymmetric Surfaces
patent-application, April 2016

Polymer Foam-Based Piezoelectric Materials and Method Of Manufacture
patent-application, June 2016

Methods and Devices to Hydraulic Consumer Devices
patent-application, January 2017

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