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Title: Soft buckling actuators

Patent ·
OSTI ID:1637864
;

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.

Research Organization:
Harvard Univ., Cambridge, MA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
SC0000989
Assignee:
President and Fellows of Harvard College (Cambridge, MA)
Patent Number(s):
10,584,724
Application Number:
15/816,279
OSTI ID:
1637864
Resource Relation:
Patent File Date: 11/17/2017
Country of Publication:
United States
Language:
English

References (12)

Soft robotic actuators patent October 2016
Pneumatic lift patent-application June 2005
Hydraulically energized magnetorheological replicant muscle tissue and a system and a method for using and controlling same patent January 2001
Soft buckling actuators patent December 2017
Overlay mattress patent-application August 2003
Soft Actuators and Soft Actuating Devices patent-application January 2016
Electrostatic/pneumatic actuators for active surfaces patent April 2001
Polymer Foam-Based Piezoelectric Materials and Method Of Manufacture patent-application June 2016
Inflatable structure for use in an inflatable lifting device and an inflatable lifting device incorporating two or more such structures patent-application May 2010
Soft Robotic Actuators Utilizing Asymmetric Surfaces patent-application April 2016
Double-acting deformable fluid actuator of the muscle type with three chambers patent-application August 2007
Methods and Devices to Hydraulic Consumer Devices patent-application January 2017

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