Pneumatic actuators
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United States of America Patent
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Dec 27, 2016
Grant Date -
Oct 15, 2015
app pub date -
Apr 14, 2014
filing date -
Apr 14, 2014
priority date (Note) -
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Abstract
A pneumatic actuator unit concept is disclosed which includes a unitary structure that has single or dual inflatable pneumatic air chambers mounted on and fixed to a common central base member or plate member that provides a base for the air chambers. Dual air chambers can apply force in different directions with respect to the base member. The operating air is supplied by way of access ports located in the central base member which also includes an integral internal control valve system. The air chambers are preferably airbag devices which may be sleeve-type airbags, single or multiple convoluted airbags or other inflatable apparatuses.
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