Rotary Piston Type Actuator
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United States of America Patent
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Issued Date -
Nov 8, 2018
app pub date -
Jul 16, 2018
filing date -
Jul 16, 2018
priority date (Note) -
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Abstract
A rotary actuator includes a first housing defining a first arcuate chamber having a first cavity, a first fluid port in fluid communication with the first cavity, and an open end. A rotor assembly is rotatably journaled in the first housing and having a rotary output shaft and a first rotor arm extending radially outward from the rotary output shaft. An arcuate-shaped first piston is disposed in the first housing for reciprocal movement in the first arcuate chamber through the open end, wherein a first seal, the first cavity, and the first piston define a first pressure chamber, and a first portion of the first piston contacts the first rotor arm.
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