Electromechanical actuators
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United States of America Patent
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Aug 26, 2008
Issued Date -
N/A
app pub date -
Dec 20, 2002
filing date -
Dec 20, 2001
priority date (Note) -
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Abstract
The invention concerns an electromechanical actuator comprising at least an electric motor (1), as well as coupling (4) and gear reduction (4) means, which drive an output shaft (11). The invention is characterized in that the coupling and gear reduction means mesh with a crank plate (7) designed to be driven in rotation with an angular travel limited by two stops, a small connecting rod (9) being articulated to one end on a crank pin (8) of said crank plate and being articulated at its other end on a long connecting rod (10) which is itself integral with the output shaft, the two ends of said long connecting rod being respectively guided in displacement each along a guide, and the displacement angle between said two stops is more than 180.degree., the movements of the rod being structurally locked in case of overriding, the crank plate being immediately proximate to one of its travel limit stops.
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