Electromechanical actuators

Details Electromechanical actuators Electromechanical actuators

2002-12-20

2008-08-26

Joyce, William C (Department: 3682)

Machine element or mechanism

Mechanical movements

Rotary to or from reciprocating or oscillating

C074S089160, C074S527000

Reexamination Certificate

active

07415904

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°, 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.

REFERENCES:
patent: 3219334 (1965-11-01), Lynn et al.
patent: 3942385 (1976-03-01), Westerdale
patent: 41605 (1887-05-01), None
patent: 3009418 (1981-05-01), None
patent: 2184196 (1987-06-01), None

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